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  29.   <div class="navpath"><a class="el" href="dir_783dcb2b4bcfa12326370fa26c216025.html">core</a>&nbsp;&raquo&nbsp;<a class="el" href="dir_fd6a4b2b6bc2ad2ec9e2fc822895906b.html">ctk</a>
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    33. 

  33. <h1>ctk.c</h1><a href="a00141.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**</span>
    34. 

  34. <a name="l00002"></a>00002 <span class="comment"> * \defgroup ctk CTK graphical user interface</span>
    35. 

  35. <a name="l00003"></a>00003 <span class="comment"> *</span>
    36. 

  36. <a name="l00004"></a>00004 <span class="comment"> * The Contiki Toolkit (CTK) provides the graphical user interface for</span>
    37. 

  37. <a name="l00005"></a>00005 <span class="comment"> * the Contiki system.</span>
    38. 

  38. <a name="l00006"></a>00006 <span class="comment"> *</span>
    39. 

  39. <a name="l00007"></a>00007 <span class="comment"> * @{</span>
    40. 

  40. <a name="l00008"></a>00008 <span class="comment"> */</span>
    41. 

  41. <a name="l00009"></a>00009 <span class="comment"></span>
    42. 

  42. <a name="l00010"></a>00010 <span class="comment">/**</span>
    43. 

  43. <a name="l00011"></a>00011 <span class="comment"> * \file</span>
    44. 

  44. <a name="l00012"></a>00012 <span class="comment"> * The Contiki Toolkit CTK, the Contiki GUI.</span>
    45. 

  45. <a name="l00013"></a>00013 <span class="comment"> * \author Adam Dunkels &lt;adam@dunkels.com&gt;</span>
    46. 

  46. <a name="l00014"></a>00014 <span class="comment"> */</span>
    47. 

  47. <a name="l00015"></a>00015 
    48. 

  48. <a name="l00016"></a>00016 <span class="comment">/*</span>
    49. 

  49. <a name="l00017"></a>00017 <span class="comment"> * Copyright (c) 2002-2003, Adam Dunkels.</span>
    50. 

  50. <a name="l00018"></a>00018 <span class="comment"> * All rights reserved.</span>
    51. 

  51. <a name="l00019"></a>00019 <span class="comment"> *</span>
    52. 

  52. <a name="l00020"></a>00020 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
    53. 

  53. <a name="l00021"></a>00021 <span class="comment"> * modification, are permitted provided that the following conditions</span>
    54. 

  54. <a name="l00022"></a>00022 <span class="comment"> * are met:</span>
    55. 

  55. <a name="l00023"></a>00023 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
    56. 

  56. <a name="l00024"></a>00024 <span class="comment"> *    notice, this list of conditions and the following disclaimer.</span>
    57. 

  57. <a name="l00025"></a>00025 <span class="comment"> * 2. Redistributions in binary form must reproduce the above</span>
    58. 

  58. <a name="l00026"></a>00026 <span class="comment"> *    copyright notice, this list of conditions and the following</span>
    59. 

  59. <a name="l00027"></a>00027 <span class="comment"> *    disclaimer in the documentation and/or other materials provided</span>
    60. 

  60. <a name="l00028"></a>00028 <span class="comment"> *    with the distribution.</span>
    61. 

  61. <a name="l00029"></a>00029 <span class="comment"> * 3. The name of the author may not be used to endorse or promote</span>
    62. 

  62. <a name="l00030"></a>00030 <span class="comment"> *    products derived from this software without specific prior</span>
    63. 

  63. <a name="l00031"></a>00031 <span class="comment"> *    written permission.</span>
    64. 

  64. <a name="l00032"></a>00032 <span class="comment"> *</span>
    65. 

  65. <a name="l00033"></a>00033 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS&apos;&apos; AND ANY EXPRESS</span>
    66. 

  66. <a name="l00034"></a>00034 <span class="comment"> * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
    67. 

  67. <a name="l00035"></a>00035 <span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
    68. 

  68. <a name="l00036"></a>00036 <span class="comment"> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY</span>
    69. 

  69. <a name="l00037"></a>00037 <span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span>
    70. 

  70. <a name="l00038"></a>00038 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE</span>
    71. 

  71. <a name="l00039"></a>00039 <span class="comment"> * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
    72. 

  72. <a name="l00040"></a>00040 <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,</span>
    73. 

  73. <a name="l00041"></a>00041 <span class="comment"> * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</span>
    74. 

  74. <a name="l00042"></a>00042 <span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
    75. 

  75. <a name="l00043"></a>00043 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
    76. 

  76. <a name="l00044"></a>00044 <span class="comment"> *</span>
    77. 

  77. <a name="l00045"></a>00045 <span class="comment"> * This file is part of the Contiki operating system.</span>
    78. 

  78. <a name="l00046"></a>00046 <span class="comment"> *</span>
    79. 

  79. <a name="l00047"></a>00047 <span class="comment"> * $Id: ctk.c,v 1.26 2010/09/09 20:21:26 oliverschmidt Exp $</span>
    80. 

  80. <a name="l00048"></a>00048 <span class="comment"> *</span>
    81. 

  81. <a name="l00049"></a>00049 <span class="comment"> */</span>
    82. 

  82. <a name="l00050"></a>00050 
    83. 

  83. <a name="l00051"></a>00051 <span class="preprocessor">#include &lt;string.h&gt;</span>
    84. 

  84. <a name="l00052"></a>00052 
    85. 

  85. <a name="l00053"></a>00053 <span class="preprocessor">#include &quot;contiki.h&quot;</span>
    86. 

  86. <a name="l00054"></a>00054 
    87. 

  87. <a name="l00055"></a>00055 <span class="preprocessor">#include &quot;<a class="code" href="a00142.html" title="CTK header file.">ctk/ctk.h</a>&quot;</span>
    88. 

  88. <a name="l00056"></a>00056 <span class="preprocessor">#include &quot;<a class="code" href="a00134.html" title="CTK screen drawing module interface, ctk-draw.">ctk/ctk-draw.h</a>&quot;</span>
    89. 

  89. <a name="l00057"></a>00057 <span class="preprocessor">#include &quot;ctk/ctk-mouse.h&quot;</span>
    90. 

  90. <a name="l00058"></a>00058 
    91. 

  91. <a name="l00059"></a>00059 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> height, width;
    92. 

  92. <a name="l00060"></a>00060 
    93. 

  93. <a name="l00061"></a>00061 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> mode;
    94. 

  94. <a name="l00062"></a>00062 
    95. 

  95. <a name="l00063"></a>00063 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    96. 

  96. <a name="l00064"></a>00064 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> desktop_window;
    97. 

  97. <a name="l00065"></a>00065 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *windows;
    98. 

  98. <a name="l00066"></a>00066 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *dialog;
    99. 

  99. <a name="l00067"></a>00067 <span class="preprocessor">#else </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    100. 

  100. <a name="l00068"></a>00068 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window;
    101. 

  101. <a name="l00069"></a>00069 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    102. 

  102. <a name="l00070"></a>00070 
    103. 

  103. <a name="l00071"></a>00071 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    104. 

  104. <a name="l00072"></a>00072 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00035.html" title="Representation of the menu bar.">ctk_menus</a> <a class="code" href="a00035.html#a3107c61dcb9ef9256a0a4052c4c21351" title="A pointer to a linked list of all menus, including the open menu and the desktop...">menus</a>;
    105. 

  105. <a name="l00073"></a>00073 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *lastmenu;
    106. 

  106. <a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> desktopmenu;
    107. 

  107. <a name="l00075"></a>00075 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> maxnitems;
    108. 

  108. <a name="l00076"></a>00076 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    109. 

  109. <a name="l00077"></a>00077 
    110. 

  110. <a name="l00078"></a>00078 <span class="preprocessor">#ifndef NULL</span>
    111. 

  111. <a name="l00079"></a>00079 <span class="preprocessor"></span><span class="preprocessor">#define NULL (void *)0</span>
    112. 

  112. <a name="l00080"></a>00080 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* NULL */</span>
    113. 

  113. <a name="l00081"></a>00081 
    114. 

  114. <a name="l00082"></a>00082 <span class="preprocessor">#define REDRAW_NONE         0</span>
    115. 

  115. <a name="l00083"></a>00083 <span class="preprocessor"></span><span class="preprocessor">#define REDRAW_ALL          1</span>
    116. 

  116. <a name="l00084"></a>00084 <span class="preprocessor"></span><span class="preprocessor">#define REDRAW_FOCUS        2</span>
    117. 

  117. <a name="l00085"></a>00085 <span class="preprocessor"></span><span class="preprocessor">#define REDRAW_WIDGETS      4</span>
    118. 

  118. <a name="l00086"></a>00086 <span class="preprocessor"></span><span class="preprocessor">#define REDRAW_MENUS        8</span>
    119. 

  119. <a name="l00087"></a>00087 <span class="preprocessor"></span><span class="preprocessor">#define REDRAW_MENUPART     16</span>
    120. 

  120. <a name="l00088"></a>00088 <span class="preprocessor"></span>
    121. 

  121. <a name="l00089"></a>00089 <span class="preprocessor">#define MAX_REDRAWWIDGETS 4</span>
    122. 

  122. <a name="l00090"></a>00090 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> redraw;
    123. 

  123. <a name="l00091"></a>00091 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *redraw_widgets[MAX_REDRAWWIDGETS];
    124. 

  124. <a name="l00092"></a>00092 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> redraw_widgetptr;
    125. 

  125. <a name="l00093"></a>00093 
    126. 

  126. <a name="l00094"></a>00094 <span class="preprocessor">#if CTK_CONF_ICONS</span>
    127. 

  127. <a name="l00095"></a>00095 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> iconx, icony;
    128. 

  128. <a name="l00096"></a>00096 <span class="preprocessor">#define ICONX_START  (width - 6)</span>
    129. 

  129. <a name="l00097"></a>00097 <span class="preprocessor"></span><span class="preprocessor">#define ICONY_START  (height - 6 - CTK_CONF_MENUS)</span>
    130. 

  130. <a name="l00098"></a>00098 <span class="preprocessor"></span><span class="preprocessor">#define ICONX_DELTA  -16</span>
    131. 

  131. <a name="l00099"></a>00099 <span class="preprocessor"></span><span class="preprocessor">#define ICONY_DELTA  -5</span>
    132. 

  132. <a name="l00100"></a>00100 <span class="preprocessor"></span><span class="preprocessor">#define ICONY_MAX    height</span>
    133. 

  133. <a name="l00101"></a>00101 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_ICONS */</span>
    134. 

  134. <a name="l00102"></a>00102 
    135. 

  135. <a name="l00103"></a>00103 <span class="preprocessor">#ifndef ctk_arch_keyavail</span>
    136. 

  136. <a name="l00104"></a>00104 <span class="preprocessor"></span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a00020.html#ga54b6b0ef960adb9dd53af7c5b1af0968" title="Check if there is a keypress in the keyboard input queue.">ctk_arch_keyavail</a>(<span class="keywordtype">void</span>);
    137. 

  137. <a name="l00105"></a>00105 <span class="preprocessor">#endif </span><span class="comment">/* ctk_arch_keyavail */</span>
    138. 

  138. <a name="l00106"></a>00106 
    139. 

  139. <a name="l00107"></a>00107 <span class="preprocessor">#ifndef ctk_arch_getkey</span>
    140. 

  140. <a name="l00108"></a>00108 <span class="preprocessor"></span><a class="code" href="a00020.html#gaa6eb41324497b3d828d208c0efa6fa90" title="The keyboard character type of the system.">ctk_arch_key_t</a> <a class="code" href="a00020.html#gaba3ae4d2b9baa5953b47eeef61927398" title="Get a keypress from the keyboard input queue.">ctk_arch_getkey</a>(<span class="keywordtype">void</span>);
    141. 

  141. <a name="l00109"></a>00109 <span class="preprocessor">#endif </span><span class="comment">/* ctk_arch_getkey */</span>
    142. 

  142. <a name="l00110"></a>00110 
    143. 

  143. <a name="l00111"></a>00111 <span class="preprocessor">#ifndef ctk_arch_isprint</span>
    144. 

  144. <a name="l00112"></a>00112 <span class="preprocessor"></span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ctk_arch_isprint(<a class="code" href="a00020.html#gaa6eb41324497b3d828d208c0efa6fa90" title="The keyboard character type of the system.">ctk_arch_key_t</a> key);
    145. 

  145. <a name="l00113"></a>00113 <span class="preprocessor">#endif </span><span class="comment">/* ctk_arch_isprint */</span>
    146. 

  146. <a name="l00114"></a>00114 
    147. 

  147. <a name="l00115"></a>00115 <a class="code" href="a01627.html#ga27e9b6fc13f0438e37a198f69b38b4cf" title="Declare a process.">PROCESS</a>(ctk_process, <span class="stringliteral">&quot;CTK Contiki GUI&quot;</span>);
    148. 

  148. <a name="l00116"></a>00116 <span class="comment"></span>
    149. 

  149. <a name="l00117"></a>00117 <span class="comment">/**</span>
    150. 

  150. <a name="l00118"></a>00118 <span class="comment"> * \defgroup ctkevents CTK events</span>
    151. 

  151. <a name="l00119"></a>00119 <span class="comment"> * @{</span>
    152. 

  152. <a name="l00120"></a>00120 <span class="comment"> */</span>
    153. 

  153. <a name="l00121"></a>00121 process_event_t
    154. 

  154. <a name="l00122"></a>00122 <span class="comment"></span>
    155. 

  155. <a name="l00123"></a>00123 <span class="comment">  /**</span>
    156. 

  156. <a name="l00124"></a>00124 <span class="comment">   * Emitted for every key being pressed.</span>
    157. 

  157. <a name="l00125"></a>00125 <span class="comment">   *</span>
    158. 

  158. <a name="l00126"></a>00126 <span class="comment">   * The key is passed as signal data.*/</span>
    159. 

  159. <a name="l00127"></a><a class="code" href="a01551.html#ga6d9f0f4b1f9361038433a4201fa1959e">00127</a>   <a class="code" href="a01550.html#ga516fdcf33758900be278d0e448635b9d" title="Emitted for every key being pressed.">ctk_signal_keypress</a>,
    160. 

  160. <a name="l00128"></a>00128   <span class="comment"></span>
    161. 

  161. <a name="l00129"></a>00129 <span class="comment">  /** Emitted when a widget is activated (pressed). A pointer to the</span>
    162. 

  162. <a name="l00130"></a>00130 <span class="comment">      widget is passed as signal data. */</span>
    163. 

  163. <a name="l00131"></a>00131   <a class="code" href="a01550.html#gaf2f104ce01e5e229f9eba8e2f367c591" title="Emitted when a widget is activated (pressed).">ctk_signal_widget_activate</a>,
    164. 

  164. <a name="l00132"></a>00132   <span class="comment"></span>
    165. 

  165. <a name="l00133"></a>00133 <span class="comment">  /** Same as ctk_signal_widget_activate. */</span>
    166. 

  166. <a name="l00134"></a>00134   <a class="code" href="a01550.html#ga73b4f7cc9f9fd72c23ea9b24b3492e01" title="Same as ctk_signal_widget_activate.">ctk_signal_button_activate</a>,
    167. 

  167. <a name="l00135"></a>00135 <span class="comment"></span>
    168. 

  168. <a name="l00136"></a>00136 <span class="comment">  /** Emitted when a widget is selected. A pointer to the widget is</span>
    169. 

  169. <a name="l00137"></a>00137 <span class="comment">      passed as signal data. */</span>
    170. 

  170. <a name="l00138"></a>00138   <a class="code" href="a01550.html#ga84a8111d8df809f10e8ad81bc47edc3a" title="Emitted when a widget is selected.">ctk_signal_widget_select</a>,
    171. 

  171. <a name="l00139"></a>00139   <span class="comment"></span>
    172. 

  172. <a name="l00140"></a>00140 <span class="comment">  /** Same as ctk_signal_widget_select. */</span>
    173. 

  173. <a name="l00141"></a>00141   <a class="code" href="a01550.html#ga18b0bcdb7d4ba13f8f692ffd8d54a690" title="Same as ctk_signal_widget_select.">ctk_signal_button_hover</a>,
    174. 

  174. <a name="l00142"></a>00142 <span class="comment"></span>
    175. 

  175. <a name="l00143"></a>00143 <span class="comment">  /** Emitted when a hyperlink is activated. The signal is broadcast</span>
    176. 

  176. <a name="l00144"></a>00144 <span class="comment">      to all listeners. */</span>
    177. 

  177. <a name="l00145"></a>00145   <a class="code" href="a01550.html#gab927db233b2469345094ba7b9e1c769a" title="Emitted when a hyperlink is activated.">ctk_signal_hyperlink_activate</a>,
    178. 

  178. <a name="l00146"></a>00146 <span class="comment"></span>
    179. 

  179. <a name="l00147"></a>00147 <span class="comment">  /** Same as ctk_signal_widget_select. */</span>
    180. 

  180. <a name="l00148"></a>00148   <a class="code" href="a01550.html#ga9e08a17ead01c3ae4ac4e96b40cae885" title="Same as ctk_signal_widget_select.">ctk_signal_hyperlink_hover</a>;
    181. 

  181. <a name="l00149"></a>00149 <span class="comment"></span>
    182. 

  182. <a name="l00150"></a>00150 <span class="comment">  /** Emitted when a menu item is activated. The number of the menu</span>
    183. 

  183. <a name="l00151"></a>00151 <span class="comment">      item is passed as signal data. */</span>
    184. 

  184. <a name="l00152"></a><a class="code" href="a01551.html#gab42f0dd069d79854b05a7da8390b8e6f">00152</a> process_event_t <a class="code" href="a01550.html#gaa56be046241082d23581812190f2bef5" title="Emitted when a menu item is activated.">ctk_signal_menu_activate</a>;
    185. 

  185. <a name="l00153"></a>00153 <span class="comment"></span>
    186. 

  186. <a name="l00154"></a>00154 <span class="comment">  /** Emitted when a window is closed. A pointer to the window is</span>
    187. 

  187. <a name="l00155"></a>00155 <span class="comment">      passed as signal data. */</span>
    188. 

  188. <a name="l00156"></a><a class="code" href="a01551.html#ga8d7e716617b14bdd39c9bc3580c9cf4f">00156</a> process_event_t <a class="code" href="a01550.html#gab92e76646299dbab7216ab1f9dcef9e5" title="Emitted when a window is closed.">ctk_signal_window_close</a>;
    189. 

  189. <a name="l00157"></a>00157 
    190. 

  190. <a name="l00158"></a>00158 <span class="preprocessor">#if CTK_CONF_MOUSE_SUPPORT</span>
    191. 

  191. <a name="l00159"></a>00159 <span class="preprocessor"></span><span class="comment">  /** Emitted when the mouse pointer is moved. A NULL pointer is</span>
    192. 

  192. <a name="l00160"></a>00160 <span class="comment">      passed as signal data and it is up to the listening process to</span>
    193. 

  193. <a name="l00161"></a>00161 <span class="comment">      check the position of the mouse using the CTK mouse API.*/</span>
    194. 

  194. <a name="l00162"></a>00162 process_event_t ctk_signal_pointer_move,<span class="comment"></span>
    195. 

  195. <a name="l00163"></a>00163 <span class="comment">  /** Emitted when a mouse button is pressed. The button is passed as</span>
    196. 

  196. <a name="l00164"></a>00164 <span class="comment">      signal data to the listening process. */</span>
    197. 

  197. <a name="l00165"></a>00165   ctk_signal_pointer_button;
    198. 

  198. <a name="l00166"></a>00166 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    199. 

  199. <a name="l00167"></a>00167 
    200. 

  200. <a name="l00168"></a>00168 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    201. 

  201. <a name="l00169"></a>00169 <span class="preprocessor"></span><span class="comment">/** Emitted when the user has been idle long enough for the</span>
    202. 

  202. <a name="l00170"></a>00170 <span class="comment">    screensaver to start. */</span>
    203. 

  203. <a name="l00171"></a>00171 process_event_t ctk_signal_screensaver_stop,<span class="comment"></span>
    204. 

  204. <a name="l00172"></a>00172 <span class="comment">  /** Emitted when the user presses a key or moves the mouse when the</span>
    205. 

  205. <a name="l00173"></a>00173 <span class="comment">      screensaver is active. */</span>
    206. 

  206. <a name="l00174"></a>00174   ctk_signal_screensaver_start;
    207. 

  207. <a name="l00175"></a>00175 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    208. 

  208. <a name="l00176"></a>00176 <span class="comment"></span>
    209. 

  209. <a name="l00177"></a>00177 <span class="comment">/** @} */</span>
    210. 

  210. <a name="l00178"></a>00178 
    211. 

  211. <a name="l00179"></a>00179 <span class="preprocessor">#if CTK_CONF_MOUSE_SUPPORT</span>
    212. 

  212. <a name="l00180"></a>00180 <span class="preprocessor"></span><span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> mouse_x, mouse_y, mouse_button;
    213. 

  213. <a name="l00181"></a>00181 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    214. 

  214. <a name="l00182"></a>00182 
    215. 

  215. <a name="l00183"></a>00183 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    216. 

  216. <a name="l00184"></a>00184 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> screensaver_timer = 0;
    217. 

  217. <a name="l00185"></a>00185 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> ctk_screensaver_timeout = (5*60);
    218. 

  218. <a name="l00186"></a>00186 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00086.html" title="A timer.">timer</a> <a class="code" href="a00086.html" title="A timer.">timer</a>;
    219. 

  219. <a name="l00187"></a>00187 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    220. 

  220. <a name="l00188"></a>00188 
    221. 

  221. <a name="l00189"></a>00189 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00436.html#ab81105e5bb440a5f17579e7abf3415f5" title="Configure if the C compiler supports fastcall function declarations.">CC_FASTCALL</a>
    222. 

  222. <a name="l00190"></a>00190 textentry_input(<a class="code" href="a00020.html#gaa6eb41324497b3d828d208c0efa6fa90" title="The keyboard character type of the system.">ctk_arch_key_t</a> c,
    223. 

  223. <a name="l00191"></a>00191                 <a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> ctk_textentry *t);
    224. 

  224. <a name="l00192"></a>00192 
    225. 

  225. <a name="l00193"></a>00193 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    226. 

  226. <a name="l00194"></a>00194 <span class="preprocessor"></span><span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    227. 

  227. <a name="l00195"></a>00195 <span class="comment">/**</span>
    228. 

  228. <a name="l00196"></a>00196 <span class="comment"> * \internal Creates the Desktop menu.</span>
    229. 

  229. <a name="l00197"></a>00197 <span class="comment"> *</span>
    230. 

  230. <a name="l00198"></a>00198 <span class="comment"> * Creates the leftmost menu, &quot;Desktop&quot;. Since the desktop menu</span>
    231. 

  231. <a name="l00199"></a>00199 <span class="comment"> * contains the list of all open windows, this function will be called</span>
    232. 

  232. <a name="l00200"></a>00200 <span class="comment"> * whenever a window is opened or closed.</span>
    233. 

  233. <a name="l00201"></a>00201 <span class="comment"> */</span>
    234. 

  234. <a name="l00202"></a>00202 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    235. 

  235. <a name="l00203"></a>00203 <span class="keyword">static</span> <span class="keywordtype">void</span>
    236. 

  236. <a name="l00204"></a>00204 make_desktopmenu(<span class="keywordtype">void</span>)
    237. 

  237. <a name="l00205"></a>00205 {
    238. 

  238. <a name="l00206"></a>00206   <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *<a class="code" href="a00038.html#ae28cceb9e11fde55afc3abe1c29688b8" title="The width of the window, excluding window borders.">w</a>;
    239. 

  239. <a name="l00207"></a>00207   
    240. 

  240. <a name="l00208"></a>00208   desktopmenu.nitems = 0;
    241. 

  241. <a name="l00209"></a>00209   
    242. 

  242. <a name="l00210"></a>00210   <span class="keywordflow">if</span>(windows == NULL) {
    243. 

  243. <a name="l00211"></a>00211     <a class="code" href="a01551.html#gaaa8b54ce437af6b62eea13012ef6b83c" title="Adds a menu item to a menu.">ctk_menuitem_add</a>(&amp;desktopmenu, <span class="stringliteral">&quot;(No windows)&quot;</span>);
    244. 

  244. <a name="l00212"></a>00212   } <span class="keywordflow">else</span> {
    245. 

  245. <a name="l00213"></a>00213     <span class="keywordflow">for</span>(w = windows; w != NULL; w = w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>) {
    246. 

  246. <a name="l00214"></a>00214       <a class="code" href="a01551.html#gaaa8b54ce437af6b62eea13012ef6b83c" title="Adds a menu item to a menu.">ctk_menuitem_add</a>(&amp;desktopmenu, w-&gt;<a class="code" href="a00038.html#a88d87bdebfbac969714162a150325eb9" title="The title of the window.">title</a>);
    247. 

  247. <a name="l00215"></a>00215     }
    248. 

  248. <a name="l00216"></a>00216   }
    249. 

  249. <a name="l00217"></a>00217 }
    250. 

  250. <a name="l00218"></a>00218 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    251. 

  251. <a name="l00219"></a>00219 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    252. 

  252. <a name="l00220"></a>00220 <span class="preprocessor">#if CTK_CONF_ICONS</span>
    253. 

  253. <a name="l00221"></a>00221 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span>
    254. 

  254. <a name="l00222"></a>00222 arrange_icons(<span class="keywordtype">void</span>)
    255. 

  255. <a name="l00223"></a>00223 {
    256. 

  256. <a name="l00224"></a>00224   <span class="keyword">struct </span><a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *icon;
    257. 

  257. <a name="l00225"></a>00225 
    258. 

  258. <a name="l00226"></a>00226   iconx = ICONX_START;
    259. 

  259. <a name="l00227"></a>00227   icony = ICONY_START;
    260. 

  260. <a name="l00228"></a>00228   
    261. 

  261. <a name="l00229"></a>00229   <span class="keywordflow">for</span>(icon = desktop_window.active; icon != NULL; icon = icon-&gt;<a class="code" href="a00036.html#a3621ec9de98f2b90ec42cb2833d88423" title="The next widget in the linked list of widgets that is contained in the ctk_window...">next</a>) {
    262. 

  262. <a name="l00230"></a>00230     
    263. 

  263. <a name="l00231"></a>00231     icon-&gt;<a class="code" href="a00036.html#a58125a019e53600eae696dac334c6b82" title="The x position of the widget within the containing window, in character coordinates...">x</a> = iconx;
    264. 

  264. <a name="l00232"></a>00232     icon-&gt;<a class="code" href="a00036.html#a64d6f0d7568e491e7f5cd0d38f40d1af" title="The y position of the widget within the containing window, in character coordinates...">y</a> = icony;
    265. 

  265. <a name="l00233"></a>00233     
    266. 

  266. <a name="l00234"></a>00234     icony += ICONY_DELTA;
    267. 

  267. <a name="l00235"></a>00235     <span class="keywordflow">if</span>(icony &gt;= ICONY_MAX) {
    268. 

  268. <a name="l00236"></a>00236       icony = ICONY_START;
    269. 

  269. <a name="l00237"></a>00237       iconx += ICONX_DELTA;
    270. 

  270. <a name="l00238"></a>00238     }
    271. 

  271. <a name="l00239"></a>00239   }
    272. 

  272. <a name="l00240"></a>00240 }
    273. 

  273. <a name="l00241"></a>00241 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_ICONS */</span>
    274. 

  274. <a name="l00242"></a>00242 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    275. 

  275. <a name="l00243"></a>00243 <span class="keywordtype">void</span>
    276. 

  276. <a name="l00244"></a>00244 ctk_restore(<span class="keywordtype">void</span>)
    277. 

  277. <a name="l00245"></a>00245 {
    278. 

  278. <a name="l00246"></a>00246   <a class="code" href="a00020.html#ga271a33b474a94da63244e94c84127303" title="The initialization function.">ctk_draw_init</a>();
    279. 

  279. <a name="l00247"></a>00247 
    280. 

  280. <a name="l00248"></a>00248   height = ctk_draw_height();
    281. 

  281. <a name="l00249"></a>00249   width = ctk_draw_width();
    282. 

  282. <a name="l00250"></a>00250 
    283. 

  283. <a name="l00251"></a>00251 <span class="preprocessor">#if CTK_CONF_ICONS</span>
    284. 

  284. <a name="l00252"></a>00252 <span class="preprocessor"></span>  arrange_icons();
    285. 

  285. <a name="l00253"></a>00253 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_ICONS */</span>
    286. 

  286. <a name="l00254"></a>00254 
    287. 

  287. <a name="l00255"></a>00255   redraw = REDRAW_ALL;
    288. 

  288. <a name="l00256"></a>00256 }
    289. 

  289. <a name="l00257"></a>00257 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    290. 

  290. <a name="l00258"></a>00258 <span class="comment"></span>
    291. 

  291. <a name="l00259"></a>00259 <span class="comment">/**</span>
    292. 

  292. <a name="l00260"></a>00260 <span class="comment"> * \addtogroup ctkappfunc</span>
    293. 

  293. <a name="l00261"></a>00261 <span class="comment"> * @{</span>
    294. 

  294. <a name="l00262"></a>00262 <span class="comment"> */</span>
    295. 

  295. <a name="l00263"></a>00263 
    296. 

  296. <a name="l00264"></a>00264 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    297. 

  297. <a name="l00265"></a>00265 <span class="comment">/**</span>
    298. 

  298. <a name="l00266"></a>00266 <span class="comment"> * Sets the current CTK mode.</span>
    299. 

  299. <a name="l00267"></a>00267 <span class="comment"> *</span>
    300. 

  300. <a name="l00268"></a>00268 <span class="comment"> * The CTK mode can be either CTK_MODE_NORMAL, CTK_MODE_SCREENSAVER or</span>
    301. 

  301. <a name="l00269"></a>00269 <span class="comment"> * CTK_MODE_EXTERNAL. CTK_MODE_NORMAL is the normal mode, in which</span>
    302. 

  302. <a name="l00270"></a>00270 <span class="comment"> * keypresses and mouse pointer movements are processed and the screen</span>
    303. 

  303. <a name="l00271"></a>00271 <span class="comment"> * is redrawn. In CTK_MODE_SCREENSAVER, no screen redraws are</span>
    304. 

  304. <a name="l00272"></a>00272 <span class="comment"> * performed and the first key press or pointer movement will cause</span>
    305. 

  305. <a name="l00273"></a>00273 <span class="comment"> * the ctk_signal_screensaver_stop to be emitted. In the</span>
    306. 

  306. <a name="l00274"></a>00274 <span class="comment"> * CTK_MODE_EXTERNAL mode, key presses and pointer movements are</span>
    307. 

  307. <a name="l00275"></a>00275 <span class="comment"> * ignored and no screen redraws are made.</span>
    308. 

  308. <a name="l00276"></a>00276 <span class="comment"> *</span>
    309. 

  309. <a name="l00277"></a>00277 <span class="comment"> * \param m The mode.</span>
    310. 

  310. <a name="l00278"></a>00278 <span class="comment"> */</span>
    311. 

  311. <a name="l00279"></a>00279 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    312. 

  312. <a name="l00280"></a>00280 <span class="keywordtype">void</span>
    313. 

  313. <a name="l00281"></a><a class="code" href="a01549.html#ga076ec13a5d4d6f0eec67e885278180c2">00281</a> <a class="code" href="a01551.html#ga3ccdff3684bb5a499cafd4baa184a10e" title="Sets the current CTK mode.">ctk_mode_set</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m) {
    314. 

  314. <a name="l00282"></a>00282   mode = m;
    315. 

  315. <a name="l00283"></a>00283 }
    316. 

  316. <a name="l00284"></a>00284 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    317. 

  317. <a name="l00285"></a>00285 <span class="comment">/**</span>
    318. 

  318. <a name="l00286"></a>00286 <span class="comment"> * Retrieves the current CTK mode.</span>
    319. 

  319. <a name="l00287"></a>00287 <span class="comment"> *</span>
    320. 

  320. <a name="l00288"></a>00288 <span class="comment"> * \return The current CTK mode.</span>
    321. 

  321. <a name="l00289"></a>00289 <span class="comment"> */</span>
    322. 

  322. <a name="l00290"></a>00290 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    323. 

  323. <a name="l00291"></a>00291 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>
    324. 

  324. <a name="l00292"></a><a class="code" href="a01549.html#ga26d7427d7f920ce4e3293f1a8dd959f3">00292</a> <a class="code" href="a01551.html#ga26d7427d7f920ce4e3293f1a8dd959f3" title="Retrieves the current CTK mode.">ctk_mode_get</a>(<span class="keywordtype">void</span>) {
    325. 

  325. <a name="l00293"></a>00293   <span class="keywordflow">return</span> mode;
    326. 

  326. <a name="l00294"></a>00294 }
    327. 

  327. <a name="l00295"></a>00295 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    328. 

  328. <a name="l00296"></a>00296 <span class="comment">/**</span>
    329. 

  329. <a name="l00297"></a>00297 <span class="comment"> * Add an icon to the desktop.</span>
    330. 

  330. <a name="l00298"></a>00298 <span class="comment"> *</span>
    331. 

  331. <a name="l00299"></a>00299 <span class="comment"> * \param icon The icon to be added.</span>
    332. 

  332. <a name="l00300"></a>00300 <span class="comment"> *</span>
    333. 

  333. <a name="l00301"></a>00301 <span class="comment"> * \param p The process that owns the icon.</span>
    334. 

  334. <a name="l00302"></a>00302 <span class="comment"> */</span>
    335. 

  335. <a name="l00303"></a>00303 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    336. 

  336. <a name="l00304"></a>00304 <span class="keywordtype">void</span>
    337. 

  337. <a name="l00305"></a><a class="code" href="a01551.html#gafd7f717de0f57e23d03c13497b41efe4">00305</a> <a class="code" href="a01551.html#gafd7f717de0f57e23d03c13497b41efe4" title="Add an icon to the desktop.">ctk_icon_add</a>(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *icon, <span class="keyword">struct</span> process *p)
    338. 

  338. <a name="l00306"></a>00306 {
    339. 

  339. <a name="l00307"></a>00307 <span class="preprocessor">#if CTK_CONF_ICONS</span>
    340. 

  340. <a name="l00308"></a>00308 <span class="preprocessor"></span>  icon-&gt;widget.icon.owner = p;
    341. 

  341. <a name="l00309"></a>00309   <a class="code" href="a01551.html#gafdd6e4493fc97e7051d39ea806ee280f" title="Adds a widget to a window.">ctk_widget_add</a>(&amp;desktop_window, icon);
    342. 

  342. <a name="l00310"></a>00310   arrange_icons();
    343. 

  343. <a name="l00311"></a>00311 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_ICONS */</span>
    344. 

  344. <a name="l00312"></a>00312 }
    345. 

  345. <a name="l00313"></a>00313 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    346. 

  346. <a name="l00314"></a>00314 <span class="preprocessor"></span><span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    347. 

  347. <a name="l00315"></a>00315 <span class="comment">/**</span>
    348. 

  348. <a name="l00316"></a>00316 <span class="comment"> * Open a dialog box.</span>
    349. 

  349. <a name="l00317"></a>00317 <span class="comment"> *</span>
    350. 

  350. <a name="l00318"></a>00318 <span class="comment"> * \param d The dialog to be opened.</span>
    351. 

  351. <a name="l00319"></a>00319 <span class="comment"> */</span>
    352. 

  352. <a name="l00320"></a>00320 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    353. 

  353. <a name="l00321"></a>00321 <span class="keywordtype">void</span>
    354. 

  354. <a name="l00322"></a>00322 ctk_dialog_open(<span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *d)
    355. 

  355. <a name="l00323"></a>00323 {
    356. 

  356. <a name="l00324"></a>00324   dialog = d;
    357. 

  357. <a name="l00325"></a>00325   redraw |= REDRAW_FOCUS;
    358. 

  358. <a name="l00326"></a>00326 }
    359. 

  359. <a name="l00327"></a>00327 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    360. 

  360. <a name="l00328"></a>00328 <span class="comment">/**</span>
    361. 

  361. <a name="l00329"></a>00329 <span class="comment"> * Close the dialog box, if one is open.</span>
    362. 

  362. <a name="l00330"></a>00330 <span class="comment"> *</span>
    363. 

  363. <a name="l00331"></a>00331 <span class="comment"> */</span>
    364. 

  364. <a name="l00332"></a>00332 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    365. 

  365. <a name="l00333"></a>00333 <span class="keywordtype">void</span>
    366. 

  366. <a name="l00334"></a>00334 ctk_dialog_close(<span class="keywordtype">void</span>)
    367. 

  367. <a name="l00335"></a>00335 {
    368. 

  368. <a name="l00336"></a>00336   dialog = NULL;
    369. 

  369. <a name="l00337"></a>00337   redraw |= REDRAW_ALL;
    370. 

  370. <a name="l00338"></a>00338 }
    371. 

  371. <a name="l00339"></a>00339 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    372. 

  372. <a name="l00340"></a>00340 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    373. 

  373. <a name="l00341"></a>00341 <span class="comment">/**</span>
    374. 

  374. <a name="l00342"></a>00342 <span class="comment"> * Open a window, or bring window to front if already open.</span>
    375. 

  375. <a name="l00343"></a>00343 <span class="comment"> *</span>
    376. 

  376. <a name="l00344"></a>00344 <span class="comment"> * \param w The window to be opened.</span>
    377. 

  377. <a name="l00345"></a>00345 <span class="comment"> */</span>
    378. 

  378. <a name="l00346"></a>00346 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    379. 

  379. <a name="l00347"></a>00347 <span class="keywordtype">void</span>
    380. 

  380. <a name="l00348"></a><a class="code" href="a01551.html#ga2e85117f2716017f1ceaa83af221740d">00348</a> <a class="code" href="a01551.html#ga2e85117f2716017f1ceaa83af221740d" title="Open a window, or bring window to front if already open.">ctk_window_open</a>(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *w)
    381. 

  381. <a name="l00349"></a>00349 {
    382. 

  382. <a name="l00350"></a>00350 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    383. 

  383. <a name="l00351"></a>00351 <span class="preprocessor"></span>  <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *w2;
    384. 

  384. <a name="l00352"></a>00352   
    385. 

  385. <a name="l00353"></a>00353   <span class="comment">/* Check if already open. */</span>
    386. 

  386. <a name="l00354"></a>00354   <span class="keywordflow">for</span>(w2 = windows; w2 != w &amp;&amp; w2 != NULL; w2 = w2-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>);
    387. 

  387. <a name="l00355"></a>00355   <span class="keywordflow">if</span>(w2 == NULL) {
    388. 

  388. <a name="l00356"></a>00356    <span class="comment">/* Not open, so we add it at the head of the list of open</span>
    389. 

  389. <a name="l00357"></a>00357 <span class="comment">       windows. */</span>
    390. 

  390. <a name="l00358"></a>00358     w-&gt;next = windows;
    391. 

  391. <a name="l00359"></a>00359     <span class="keywordflow">if</span>(windows != NULL) {
    392. 

  392. <a name="l00360"></a>00360       windows-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a> = w;
    393. 

  393. <a name="l00361"></a>00361     }
    394. 

  394. <a name="l00362"></a>00362     windows = w;
    395. 

  395. <a name="l00363"></a>00363     w-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a> = NULL;
    396. 

  396. <a name="l00364"></a>00364   } <span class="keywordflow">else</span> {
    397. 

  397. <a name="l00365"></a>00365     <span class="comment">/* Window already open, so we move it to the front of the windows</span>
    398. 

  398. <a name="l00366"></a>00366 <span class="comment">       list. */</span>
    399. 

  399. <a name="l00367"></a>00367     <span class="keywordflow">if</span>(w != windows) {
    400. 

  400. <a name="l00368"></a>00368       <span class="keywordflow">if</span>(w-&gt;next != NULL) {
    401. 

  401. <a name="l00369"></a>00369         w-&gt;next-&gt;prev = w-&gt;prev;
    402. 

  402. <a name="l00370"></a>00370       }
    403. 

  403. <a name="l00371"></a>00371       <span class="keywordflow">if</span>(w-&gt;prev != NULL) {
    404. 

  404. <a name="l00372"></a>00372         w-&gt;prev-&gt;next = w-&gt;next;
    405. 

  405. <a name="l00373"></a>00373       }
    406. 

  406. <a name="l00374"></a>00374       w-&gt;next = windows;
    407. 

  407. <a name="l00375"></a>00375       windows-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a> = w;
    408. 

  408. <a name="l00376"></a>00376       windows = w;
    409. 

  409. <a name="l00377"></a>00377       w-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a> = NULL;
    410. 

  410. <a name="l00378"></a>00378     }
    411. 

  411. <a name="l00379"></a>00379   }
    412. 

  412. <a name="l00380"></a>00380 <span class="preprocessor">#else </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    413. 

  413. <a name="l00381"></a>00381   window = w;
    414. 

  414. <a name="l00382"></a>00382 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    415. 

  415. <a name="l00383"></a>00383 
    416. 

  416. <a name="l00384"></a>00384 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    417. 

  417. <a name="l00385"></a>00385 <span class="preprocessor"></span>  <span class="comment">/* Recreate the Desktop menu&apos;s window entries.*/</span>
    418. 

  418. <a name="l00386"></a>00386   make_desktopmenu();
    419. 

  419. <a name="l00387"></a>00387 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    420. 

  420. <a name="l00388"></a>00388 
    421. 

  421. <a name="l00389"></a>00389   redraw |= REDRAW_ALL;
    422. 

  422. <a name="l00390"></a>00390 }
    423. 

  423. <a name="l00391"></a>00391 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    424. 

  424. <a name="l00392"></a>00392 <span class="comment">/**</span>
    425. 

  425. <a name="l00393"></a>00393 <span class="comment"> * Close a window if it is open.</span>
    426. 

  426. <a name="l00394"></a>00394 <span class="comment"> *</span>
    427. 

  427. <a name="l00395"></a>00395 <span class="comment"> * If the window is not open, this function does nothing.</span>
    428. 

  428. <a name="l00396"></a>00396 <span class="comment"> *</span>
    429. 

  429. <a name="l00397"></a>00397 <span class="comment"> * \param w The window to be closed.</span>
    430. 

  430. <a name="l00398"></a>00398 <span class="comment"> */</span>
    431. 

  431. <a name="l00399"></a>00399 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    432. 

  432. <a name="l00400"></a>00400 <span class="keywordtype">void</span>
    433. 

  433. <a name="l00401"></a><a class="code" href="a01549.html#gac6884a9059b5b49128d1c12f222ba13a">00401</a> <a class="code" href="a01551.html#ga6c19434a7d375ada9e59646f0fce3223" title="Close a window if it is open.">ctk_window_close</a>(<span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *w)
    434. 

  434. <a name="l00402"></a>00402 {
    435. 

  435. <a name="l00403"></a>00403 <span class="preprocessor">#if CTK_CONF_WINDOWCLOSE</span>
    436. 

  436. <a name="l00404"></a>00404 <span class="preprocessor"></span>  <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *w2;
    437. 

  437. <a name="l00405"></a>00405 
    438. 

  438. <a name="l00406"></a>00406   <span class="keywordflow">if</span>(w == NULL) {
    439. 

  439. <a name="l00407"></a>00407     <span class="keywordflow">return</span>;
    440. 

  440. <a name="l00408"></a>00408   }
    441. 

  441. <a name="l00409"></a>00409   
    442. 

  442. <a name="l00410"></a>00410   <span class="comment">/* Check if the window to be closed is the first window on the list. */</span>
    443. 

  443. <a name="l00411"></a>00411   <span class="keywordflow">if</span>(w == windows) {
    444. 

  444. <a name="l00412"></a>00412     windows = w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>;
    445. 

  445. <a name="l00413"></a>00413     <span class="keywordflow">if</span>(windows != NULL) {
    446. 

  446. <a name="l00414"></a>00414       windows-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a> = NULL;
    447. 

  447. <a name="l00415"></a>00415     }
    448. 

  448. <a name="l00416"></a>00416     w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a> = w-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a> = NULL;
    449. 

  449. <a name="l00417"></a>00417   } <span class="keywordflow">else</span> {
    450. 

  450. <a name="l00418"></a>00418     <span class="comment">/* Otherwise we step through the list until we find the window</span>
    451. 

  451. <a name="l00419"></a>00419 <span class="comment">       before the one to be closed. We then redirect its -&gt;next</span>
    452. 

  452. <a name="l00420"></a>00420 <span class="comment">       pointer and its -&gt;next-&gt;prev. */</span>
    453. 

  453. <a name="l00421"></a>00421     <span class="keywordflow">for</span>(w2 = windows; w2 != NULL &amp;&amp; w2-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a> != w; w2 = w2-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>);
    454. 

  454. <a name="l00422"></a>00422 
    455. 

  455. <a name="l00423"></a>00423     <span class="keywordflow">if</span>(w2 == NULL) {
    456. 

  456. <a name="l00424"></a>00424       <span class="comment">/* The window wasn&apos;t open, so there is nothing more for us to do. */</span>
    457. 

  457. <a name="l00425"></a>00425       <span class="keywordflow">return</span>;
    458. 

  458. <a name="l00426"></a>00426     }
    459. 

  459. <a name="l00427"></a>00427 
    460. 

  460. <a name="l00428"></a>00428     <span class="keywordflow">if</span>(w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a> != NULL) {
    461. 

  461. <a name="l00429"></a>00429       w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a> = w-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a>;
    462. 

  462. <a name="l00430"></a>00430     }
    463. 

  463. <a name="l00431"></a>00431     w2-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a> = w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>;
    464. 

  464. <a name="l00432"></a>00432     
    465. 

  465. <a name="l00433"></a>00433     w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a> = w-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a> = NULL;
    466. 

  466. <a name="l00434"></a>00434   }
    467. 

  467. <a name="l00435"></a>00435   
    468. 

  468. <a name="l00436"></a>00436 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    469. 

  469. <a name="l00437"></a>00437 <span class="preprocessor"></span>  <span class="comment">/* Recreate the Desktop menu&apos;s window entries.*/</span>
    470. 

  470. <a name="l00438"></a>00438   make_desktopmenu();
    471. 

  471. <a name="l00439"></a>00439 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    472. 

  472. <a name="l00440"></a>00440   redraw |= REDRAW_ALL;
    473. 

  473. <a name="l00441"></a>00441 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWCLOSE */</span>
    474. 

  474. <a name="l00442"></a>00442 }
    475. 

  475. <a name="l00443"></a>00443 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    476. 

  476. <a name="l00444"></a>00444 <span class="preprocessor"></span><span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    477. 

  477. <a name="l00445"></a>00445 <span class="comment">/**</span>
    478. 

  478. <a name="l00446"></a>00446 <span class="comment"> * \internal Create the move and close buttons on the window titlebar.</span>
    479. 

  479. <a name="l00447"></a>00447 <span class="comment"> */</span>
    480. 

  480. <a name="l00448"></a>00448 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    481. 

  481. <a name="l00449"></a>00449 <span class="keyword">static</span> <span class="keywordtype">void</span>
    482. 

  482. <a name="l00450"></a>00450 make_windowbuttons(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window)
    483. 

  483. <a name="l00451"></a>00451 {
    484. 

  484. <a name="l00452"></a>00452   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> placement;
    485. 

  485. <a name="l00453"></a>00453 
    486. 

  486. <a name="l00454"></a>00454   <span class="keywordflow">if</span>(ctk_draw_windowtitle_height &gt;= 2) {
    487. 

  487. <a name="l00455"></a>00455     placement = -1 - ctk_draw_windowtitle_height/2;
    488. 

  488. <a name="l00456"></a>00456   } <span class="keywordflow">else</span> {
    489. 

  489. <a name="l00457"></a>00457     placement = -1;
    490. 

  490. <a name="l00458"></a>00458   }
    491. 

  491. <a name="l00459"></a>00459 <span class="preprocessor">#if CTK_CONF_WINDOWMOVE</span>
    492. 

  492. <a name="l00460"></a>00460 <span class="preprocessor"></span>  CTK_BUTTON_NEW(&amp;window-&gt;titlebutton, 0, placement,
    493. 

  493. <a name="l00461"></a>00461                  window-&gt;titlelen, window-&gt;title);
    494. 

  494. <a name="l00462"></a>00462 <span class="preprocessor">#else</span>
    495. 

  495. <a name="l00463"></a>00463 <span class="preprocessor"></span>  CTK_LABEL_NEW(&amp;window-&gt;titlebutton, 0, placement,
    496. 

  496. <a name="l00464"></a>00464                 window-&gt;titlelen, 1, window-&gt;title);
    497. 

  497. <a name="l00465"></a>00465 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWMOVE */</span>
    498. 

  498. <a name="l00466"></a>00466   <a class="code" href="a01551.html#gad3597b4363a6a8cfc6bd9930a99db88d" title="Add a widget to a window.">CTK_WIDGET_ADD</a>(window, &amp;window-&gt;titlebutton);
    499. 

  499. <a name="l00467"></a>00467 
    500. 

  500. <a name="l00468"></a>00468 <span class="preprocessor">#if CTK_CONF_WINDOWCLOSE</span>
    501. 

  501. <a name="l00469"></a>00469 <span class="preprocessor"></span>  CTK_BUTTON_NEW(&amp;window-&gt;closebutton, window-&gt;w - 3, placement,
    502. 

  502. <a name="l00470"></a>00470                  1, <span class="stringliteral">&quot;x&quot;</span>);
    503. 

  503. <a name="l00471"></a>00471 <span class="preprocessor">#else</span>
    504. 

  504. <a name="l00472"></a>00472 <span class="preprocessor"></span>  CTK_LABEL_NEW(&amp;window-&gt;closebutton, window-&gt;w - 4, placement,
    505. 

  505. <a name="l00473"></a>00473                 3, 1, <span class="stringliteral">&quot;   &quot;</span>);
    506. 

  506. <a name="l00474"></a>00474 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWCLOSE */</span>
    507. 

  507. <a name="l00475"></a>00475   <a class="code" href="a01551.html#gad3597b4363a6a8cfc6bd9930a99db88d" title="Add a widget to a window.">CTK_WIDGET_ADD</a>(window, &amp;window-&gt;closebutton);
    508. 

  508. <a name="l00476"></a>00476 }
    509. 

  509. <a name="l00477"></a>00477 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    510. 

  510. <a name="l00478"></a>00478 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    511. 

  511. <a name="l00479"></a>00479 <span class="comment">/**</span>
    512. 

  512. <a name="l00480"></a>00480 <span class="comment"> * Remove all widgets from a window.</span>
    513. 

  513. <a name="l00481"></a>00481 <span class="comment"> *</span>
    514. 

  514. <a name="l00482"></a>00482 <span class="comment"> * \param w The window to be cleared.</span>
    515. 

  515. <a name="l00483"></a>00483 <span class="comment"> */</span>
    516. 

  516. <a name="l00484"></a>00484 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    517. 

  517. <a name="l00485"></a>00485 <span class="keywordtype">void</span>
    518. 

  518. <a name="l00486"></a><a class="code" href="a01549.html#gaf89a958d44ea1e49908ddd03c710cd4f">00486</a> <a class="code" href="a01551.html#ga610f37e797b2de0346cc731cdd7f6968" title="Remove all widgets from a window.">ctk_window_clear</a>(<span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *w)
    519. 

  519. <a name="l00487"></a>00487 {
    520. 

  520. <a name="l00488"></a>00488   w-&gt;<a class="code" href="a00038.html#ad5cf5ddb025397eb66da6753ce8492a4" title="The list of widgets that can be selected by the user.">active</a> = w-&gt;<a class="code" href="a00038.html#ab37295c4d4a76d30daef3c05e4c14bc4" title="The list if widgets that cannot be selected by the user.">inactive</a> = w-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a> = NULL;
    521. 

  521. <a name="l00489"></a>00489   
    522. 

  522. <a name="l00490"></a>00490 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    523. 

  523. <a name="l00491"></a>00491 <span class="preprocessor"></span>  make_windowbuttons(w);
    524. 

  524. <a name="l00492"></a>00492 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    525. 

  525. <a name="l00493"></a>00493 }
    526. 

  526. <a name="l00494"></a>00494 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    527. 

  527. <a name="l00495"></a>00495 <span class="comment">/**</span>
    528. 

  528. <a name="l00496"></a>00496 <span class="comment"> * Add a menu to the menu bar.</span>
    529. 

  529. <a name="l00497"></a>00497 <span class="comment"> *</span>
    530. 

  530. <a name="l00498"></a>00498 <span class="comment"> * \param menu The menu to be added.</span>
    531. 

  531. <a name="l00499"></a>00499 <span class="comment"> *</span>
    532. 

  532. <a name="l00500"></a>00500 <span class="comment"> * \note Do not call this function multiple times for the same menu,</span>
    533. 

  533. <a name="l00501"></a>00501 <span class="comment"> * as no check is made to see if the menu already is in the menu bar.</span>
    534. 

  534. <a name="l00502"></a>00502 <span class="comment"> */</span>
    535. 

  535. <a name="l00503"></a>00503 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    536. 

  536. <a name="l00504"></a>00504 <span class="keywordtype">void</span>
    537. 

  537. <a name="l00505"></a><a class="code" href="a01549.html#gad5a6d1016430b53333d7b06e8aa1b85e">00505</a> <a class="code" href="a01551.html#gab4f0dacbb8e4e5c7a54de9596c7df09f" title="Add a menu to the menu bar.">ctk_menu_add</a>(<span class="keyword">struct</span> <a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *menu)
    538. 

  538. <a name="l00506"></a>00506 {
    539. 

  539. <a name="l00507"></a>00507 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    540. 

  540. <a name="l00508"></a>00508 <span class="preprocessor"></span>  <span class="keyword">struct </span><a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *m;
    541. 

  541. <a name="l00509"></a>00509 
    542. 

  542. <a name="l00510"></a>00510   <span class="keywordflow">if</span>(lastmenu == NULL) {
    543. 

  543. <a name="l00511"></a>00511     lastmenu = menu;
    544. 

  544. <a name="l00512"></a>00512   }
    545. 

  545. <a name="l00513"></a>00513     
    546. 

  546. <a name="l00514"></a>00514   <span class="keywordflow">for</span>(m = menus.menus; m-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a> != NULL; m = m-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>) {
    547. 

  547. <a name="l00515"></a>00515     <span class="keywordflow">if</span>(m == menu) {
    548. 

  548. <a name="l00516"></a>00516       <span class="keywordflow">return</span>;
    549. 

  549. <a name="l00517"></a>00517     }
    550. 

  550. <a name="l00518"></a>00518   }
    551. 

  551. <a name="l00519"></a>00519   m-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a> = menu;
    552. 

  552. <a name="l00520"></a>00520   menu-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a> = NULL;
    553. 

  553. <a name="l00521"></a>00521 
    554. 

  554. <a name="l00522"></a>00522   redraw |= REDRAW_MENUPART;
    555. 

  555. <a name="l00523"></a>00523 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    556. 

  556. <a name="l00524"></a>00524 }
    557. 

  557. <a name="l00525"></a>00525 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    558. 

  558. <a name="l00526"></a>00526 <span class="comment">/**</span>
    559. 

  559. <a name="l00527"></a>00527 <span class="comment"> * Remove a menu from the menu bar.</span>
    560. 

  560. <a name="l00528"></a>00528 <span class="comment"> *</span>
    561. 

  561. <a name="l00529"></a>00529 <span class="comment"> * \param menu The menu to be removed.</span>
    562. 

  562. <a name="l00530"></a>00530 <span class="comment"> */</span>
    563. 

  563. <a name="l00531"></a>00531 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    564. 

  564. <a name="l00532"></a>00532 <span class="keywordtype">void</span>
    565. 

  565. <a name="l00533"></a><a class="code" href="a01549.html#gadef4466ac1a86b6de5f19b68bc92ef58">00533</a> <a class="code" href="a01551.html#ga19d90b1b3233fdbc0530e268948cfa8e" title="Remove a menu from the menu bar.">ctk_menu_remove</a>(<span class="keyword">struct</span> <a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *menu)
    566. 

  566. <a name="l00534"></a>00534 {
    567. 

  567. <a name="l00535"></a>00535 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    568. 

  568. <a name="l00536"></a>00536 <span class="preprocessor"></span>  <span class="keyword">struct </span><a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *m;
    569. 

  569. <a name="l00537"></a>00537 
    570. 

  570. <a name="l00538"></a>00538   <span class="keywordflow">for</span>(m = menus.menus; m-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a> != NULL; m = m-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>) {
    571. 

  571. <a name="l00539"></a>00539     <span class="keywordflow">if</span>(m-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a> == menu) {
    572. 

  572. <a name="l00540"></a>00540       m-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a> = menu-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>;
    573. 

  573. <a name="l00541"></a>00541       <span class="keywordflow">if</span>(menu == lastmenu) {
    574. 

  574. <a name="l00542"></a>00542         lastmenu = NULL;
    575. 

  575. <a name="l00543"></a>00543       }
    576. 

  576. <a name="l00544"></a>00544       redraw |= REDRAW_MENUPART;
    577. 

  577. <a name="l00545"></a>00545       <span class="keywordflow">return</span>;
    578. 

  578. <a name="l00546"></a>00546     }
    579. 

  579. <a name="l00547"></a>00547   }
    580. 

  580. <a name="l00548"></a>00548 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    581. 

  581. <a name="l00549"></a>00549 }
    582. 

  582. <a name="l00550"></a>00550 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    583. 

  583. <a name="l00551"></a>00551 <span class="comment">/**</span>
    584. 

  584. <a name="l00552"></a>00552 <span class="comment"> * \internal Redraws everything on the screen within the clip</span>
    585. 

  585. <a name="l00553"></a>00553 <span class="comment"> * interval.</span>
    586. 

  586. <a name="l00554"></a>00554 <span class="comment"> *</span>
    587. 

  587. <a name="l00555"></a>00555 <span class="comment"> * \param clipy1 The upper bound of the clip interval</span>
    588. 

  588. <a name="l00556"></a>00556 <span class="comment"> * \param clipy2 The lower bound of the clip interval</span>
    589. 

  589. <a name="l00557"></a>00557 <span class="comment"> */</span>
    590. 

  590. <a name="l00558"></a>00558 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    591. 

  591. <a name="l00559"></a>00559 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00436.html#ab81105e5bb440a5f17579e7abf3415f5" title="Configure if the C compiler supports fastcall function declarations.">CC_FASTCALL</a>
    592. 

  592. <a name="l00560"></a>00560 do_redraw_all(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> clipy1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> clipy2)
    593. 

  593. <a name="l00561"></a>00561 {
    594. 

  594. <a name="l00562"></a>00562 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    595. 

  595. <a name="l00563"></a>00563 <span class="preprocessor"></span>  <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *<a class="code" href="a00036.html#afead36ab9579674197fdf985ccb82555" title="The union which contains the actual widget structure, as determined by the type field...">widget</a>;
    596. 

  596. <a name="l00564"></a>00564   <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *w;
    597. 

  597. <a name="l00565"></a>00565   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> focus;
    598. 

  598. <a name="l00566"></a>00566 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    599. 

  599. <a name="l00567"></a>00567 
    600. 

  600. <a name="l00568"></a>00568   <span class="keywordflow">if</span>(mode != CTK_MODE_NORMAL &amp;&amp; mode != CTK_MODE_WINDOWMOVE) {
    601. 

  601. <a name="l00569"></a>00569     <span class="keywordflow">return</span>;
    602. 

  602. <a name="l00570"></a>00570   }
    603. 

  603. <a name="l00571"></a>00571   
    604. 

  604. <a name="l00572"></a>00572   <a class="code" href="a00020.html#gae6e8805e52467b2942c2af3e0080b6e1" title="Clear the screen between the clip bounds.">ctk_draw_clear</a>(clipy1, clipy2);
    605. 

  605. <a name="l00573"></a>00573 
    606. 

  606. <a name="l00574"></a>00574 <span class="preprocessor">#if CTK_CONF_WINDOWS  </span>
    607. 

  607. <a name="l00575"></a>00575 <span class="preprocessor"></span>  <span class="comment">/* Draw widgets in root window */</span>
    608. 

  608. <a name="l00576"></a>00576   <span class="keywordflow">for</span>(widget = desktop_window.active;
    609. 

  609. <a name="l00577"></a>00577       widget != NULL; widget = widget-&gt;<a class="code" href="a00036.html#a3621ec9de98f2b90ec42cb2833d88423" title="The next widget in the linked list of widgets that is contained in the ctk_window...">next</a>) {
    610. 

  610. <a name="l00578"></a>00578     <a class="code" href="a00020.html#ga2c09354ec5cfdb654b09cf478e8f2399" title="Draw a widget on a window.">ctk_draw_widget</a>(widget, windows != NULL? 0: <a class="code" href="a00020.html#gaa6bcc3324b455c546e94ba330f6c719b" title="Widget focus flag: widget&amp;#39;s window is the foremost one.">CTK_FOCUS_WINDOW</a>, clipy1, clipy2);
    611. 

  611. <a name="l00579"></a>00579   }
    612. 

  612. <a name="l00580"></a>00580 
    613. 

  613. <a name="l00581"></a>00581   <span class="comment">/* Draw windows */</span>
    614. 

  614. <a name="l00582"></a>00582   <span class="keywordflow">if</span>(windows != NULL) {
    615. 

  615. <a name="l00583"></a>00583     <span class="comment">/* Find the last window.*/</span>
    616. 

  616. <a name="l00584"></a>00584     <span class="keywordflow">for</span>(w = windows; w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a> != NULL; w = w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>);
    617. 

  617. <a name="l00585"></a>00585 
    618. 

  618. <a name="l00586"></a>00586     <span class="comment">/* Draw the windows from back to front. */</span>
    619. 

  619. <a name="l00587"></a>00587     <span class="keywordflow">for</span>(; w != windows; w = w-&gt;<a class="code" href="a00038.html#a5c2fbd8367afa325aaf22c6bbf3c634f" title="The previous window in the doubly linked list of open windows.">prev</a>) {
    620. 

  620. <a name="l00588"></a>00588       <a class="code" href="a00020.html#gaeade88277aa23594cd8dc9f4caeba46d" title="Draw the window background.">ctk_draw_clear_window</a>(w, 0, clipy1, clipy2);
    621. 

  621. <a name="l00589"></a>00589       <a class="code" href="a00020.html#gae172d39b14556ee88707d4e6979abb34" title="Draw a window onto the screen.">ctk_draw_window</a>(w, 0, clipy1, clipy2, 1);
    622. 

  622. <a name="l00590"></a>00590     }
    623. 

  623. <a name="l00591"></a>00591 
    624. 

  624. <a name="l00592"></a>00592     <span class="comment">/* Draw focused window */</span>
    625. 

  625. <a name="l00593"></a>00593     focus = mode == CTK_MODE_WINDOWMOVE?
    626. 

  626. <a name="l00594"></a>00594             <a class="code" href="a00020.html#gafa49312af6ac5411ecbc0c11caa6fcf2" title="Widget focus flag: widget has focus.">CTK_FOCUS_WIDGET</a>|<a class="code" href="a00020.html#gaa6bcc3324b455c546e94ba330f6c719b" title="Widget focus flag: widget&amp;#39;s window is the foremost one.">CTK_FOCUS_WINDOW</a>:
    627. 

  627. <a name="l00595"></a>00595             <a class="code" href="a00020.html#gaa6bcc3324b455c546e94ba330f6c719b" title="Widget focus flag: widget&amp;#39;s window is the foremost one.">CTK_FOCUS_WINDOW</a>;
    628. 

  628. <a name="l00596"></a>00596     <a class="code" href="a00020.html#gaeade88277aa23594cd8dc9f4caeba46d" title="Draw the window background.">ctk_draw_clear_window</a>(windows, focus, clipy1, clipy2);
    629. 

  629. <a name="l00597"></a>00597     <a class="code" href="a00020.html#gae172d39b14556ee88707d4e6979abb34" title="Draw a window onto the screen.">ctk_draw_window</a>(windows, focus, clipy1, clipy2, 1);
    630. 

  630. <a name="l00598"></a>00598   }
    631. 

  631. <a name="l00599"></a>00599 
    632. 

  632. <a name="l00600"></a>00600   <span class="comment">/* Draw dialog (if any) */</span>
    633. 

  633. <a name="l00601"></a>00601   <span class="keywordflow">if</span>(dialog != NULL) {
    634. 

  634. <a name="l00602"></a>00602     <a class="code" href="a00020.html#gae973e0af36f51f685e88216fa10ceb56" title="Draw a dialog onto the screen.">ctk_draw_dialog</a>(dialog);
    635. 

  635. <a name="l00603"></a>00603   }
    636. 

  636. <a name="l00604"></a>00604 <span class="preprocessor">#else </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    637. 

  637. <a name="l00605"></a>00605   <span class="keywordflow">if</span>(window != NULL) {
    638. 

  638. <a name="l00606"></a>00606     <a class="code" href="a00020.html#gaeade88277aa23594cd8dc9f4caeba46d" title="Draw the window background.">ctk_draw_clear_window</a>(window, <a class="code" href="a00020.html#gaa6bcc3324b455c546e94ba330f6c719b" title="Widget focus flag: widget&amp;#39;s window is the foremost one.">CTK_FOCUS_WINDOW</a>, clipy1, clipy2);
    639. 

  639. <a name="l00607"></a>00607     <a class="code" href="a00020.html#gae172d39b14556ee88707d4e6979abb34" title="Draw a window onto the screen.">ctk_draw_window</a>(window, <a class="code" href="a00020.html#gaa6bcc3324b455c546e94ba330f6c719b" title="Widget focus flag: widget&amp;#39;s window is the foremost one.">CTK_FOCUS_WINDOW</a>, clipy1, clipy2, 0);
    640. 

  640. <a name="l00608"></a>00608   }
    641. 

  641. <a name="l00609"></a>00609 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    642. 

  642. <a name="l00610"></a>00610 
    643. 

  643. <a name="l00611"></a>00611 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    644. 

  644. <a name="l00612"></a>00612 <span class="preprocessor"></span>  <a class="code" href="a00020.html#gaa91a72c85f1c0a96ef85661b3b655067" title="Draw the menus on the virtual VNC desktop.">ctk_draw_menus</a>(&amp;menus);
    645. 

  645. <a name="l00613"></a>00613 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    646. 

  646. <a name="l00614"></a>00614 }
    647. 

  647. <a name="l00615"></a>00615 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    648. 

  648. <a name="l00616"></a>00616 <span class="preprocessor"></span><span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    649. 

  649. <a name="l00617"></a>00617 <span class="comment">/**</span>
    650. 

  650. <a name="l00618"></a>00618 <span class="comment"> * Redraw the entire desktop.</span>
    651. 

  651. <a name="l00619"></a>00619 <span class="comment"> *</span>
    652. 

  652. <a name="l00620"></a>00620 <span class="comment"> * \param d The desktop to be redrawn.</span>
    653. 

  653. <a name="l00621"></a>00621 <span class="comment"> *</span>
    654. 

  654. <a name="l00622"></a>00622 <span class="comment"> * \note Currently the parameter d is not used, but must be set to</span>
    655. 

  655. <a name="l00623"></a>00623 <span class="comment"> * NULL.</span>
    656. 

  656. <a name="l00624"></a>00624 <span class="comment"> *</span>
    657. 

  657. <a name="l00625"></a>00625 <span class="comment"> */</span>
    658. 

  658. <a name="l00626"></a>00626 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    659. 

  659. <a name="l00627"></a>00627 <span class="keywordtype">void</span>
    660. 

  660. <a name="l00628"></a>00628 ctk_desktop_redraw(<span class="keyword">struct</span> ctk_desktop *d)
    661. 

  661. <a name="l00629"></a>00629 {
    662. 

  662. <a name="l00630"></a>00630   <span class="keywordflow">if</span>(<a class="code" href="a01627.html#ga64e81621381e2e575fad8959ce7a8496" title="Get a pointer to the currently running process.">PROCESS_CURRENT</a>() == &amp;ctk_process) {
    663. 

  663. <a name="l00631"></a>00631     <span class="keywordflow">if</span>(mode == CTK_MODE_NORMAL || mode == CTK_MODE_WINDOWMOVE) {
    664. 

  664. <a name="l00632"></a>00632       do_redraw_all(CTK_CONF_MENUS, height);
    665. 

  665. <a name="l00633"></a>00633     }
    666. 

  666. <a name="l00634"></a>00634   } <span class="keywordflow">else</span> {
    667. 

  667. <a name="l00635"></a>00635     height = ctk_draw_height();
    668. 

  668. <a name="l00636"></a>00636     width = ctk_draw_width();
    669. 

  669. <a name="l00637"></a>00637     
    670. 

  670. <a name="l00638"></a>00638     redraw |= REDRAW_ALL;
    671. 

  671. <a name="l00639"></a>00639   }
    672. 

  672. <a name="l00640"></a>00640 }
    673. 

  673. <a name="l00641"></a>00641 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    674. 

  674. <a name="l00642"></a>00642 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    675. 

  675. <a name="l00643"></a>00643 <span class="comment">/**</span>
    676. 

  676. <a name="l00644"></a>00644 <span class="comment"> * Redraw a window.</span>
    677. 

  677. <a name="l00645"></a>00645 <span class="comment"> *</span>
    678. 

  678. <a name="l00646"></a>00646 <span class="comment"> * This function redraws the window, but only if it is the foremost</span>
    679. 

  679. <a name="l00647"></a>00647 <span class="comment"> * one on the desktop.</span>
    680. 

  680. <a name="l00648"></a>00648 <span class="comment"> *</span>
    681. 

  681. <a name="l00649"></a>00649 <span class="comment"> * \param w The window to be redrawn.</span>
    682. 

  682. <a name="l00650"></a>00650 <span class="comment"> */</span>
    683. 

  683. <a name="l00651"></a>00651 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    684. 

  684. <a name="l00652"></a>00652 <span class="keywordtype">void</span>
    685. 

  685. <a name="l00653"></a><a class="code" href="a01549.html#ga8860c2bfca9496a5293afa3b01c173cb">00653</a> <a class="code" href="a01551.html#gad1e0db0ea03dfb71ecc1f7a4f0d75674" title="Redraw a window.">ctk_window_redraw</a>(<span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *w)
    686. 

  686. <a name="l00654"></a>00654 {
    687. 

  687. <a name="l00655"></a>00655   <span class="comment">/* Only redraw the window if it is a dialog or if it is the foremost</span>
    688. 

  688. <a name="l00656"></a>00656 <span class="comment">     window. */</span>
    689. 

  689. <a name="l00657"></a>00657   <span class="keywordflow">if</span>(mode != CTK_MODE_NORMAL) {
    690. 

  690. <a name="l00658"></a>00658     <span class="keywordflow">return</span>;
    691. 

  691. <a name="l00659"></a>00659   }
    692. 

  692. <a name="l00660"></a>00660   
    693. 

  693. <a name="l00661"></a>00661 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    694. 

  694. <a name="l00662"></a>00662 <span class="preprocessor"></span>  <span class="keywordflow">if</span>(w == dialog) {
    695. 

  695. <a name="l00663"></a>00663     <a class="code" href="a00020.html#gae973e0af36f51f685e88216fa10ceb56" title="Draw a dialog onto the screen.">ctk_draw_dialog</a>(w);
    696. 

  696. <a name="l00664"></a>00664   } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dialog == NULL &amp;&amp;
    697. 

  697. <a name="l00665"></a>00665 #<span class="keywordflow">if</span> CTK_CONF_MENUS
    698. 

  698. <a name="l00666"></a>00666             menus.open == NULL &amp;&amp;
    699. 

  699. <a name="l00667"></a>00667 #endif <span class="comment">/* CTK_CONF_MENUS */</span>
    700. 

  700. <a name="l00668"></a>00668             windows == w)
    701. 

  701. <a name="l00669"></a>00669 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    702. 

  702. <a name="l00670"></a>00670   {
    703. 

  703. <a name="l00671"></a>00671     <a class="code" href="a00020.html#gae172d39b14556ee88707d4e6979abb34" title="Draw a window onto the screen.">ctk_draw_window</a>(w, <a class="code" href="a00020.html#gaa6bcc3324b455c546e94ba330f6c719b" title="Widget focus flag: widget&amp;#39;s window is the foremost one.">CTK_FOCUS_WINDOW</a>, 0, height, 0);
    704. 

  704. <a name="l00672"></a>00672   }
    705. 

  705. <a name="l00673"></a>00673 }
    706. 

  706. <a name="l00674"></a>00674 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    707. 

  707. <a name="l00675"></a>00675 <span class="comment">/**</span>
    708. 

  708. <a name="l00676"></a>00676 <span class="comment"> * \internal Creates a new window.</span>
    709. 

  709. <a name="l00677"></a>00677 <span class="comment"> *</span>
    710. 

  710. <a name="l00678"></a>00678 <span class="comment"> * \param window The window to be created.</span>
    711. 

  711. <a name="l00679"></a>00679 <span class="comment"> * \param w The width of the window.</span>
    712. 

  712. <a name="l00680"></a>00680 <span class="comment"> * \param h The height of the window.</span>
    713. 

  713. <a name="l00681"></a>00681 <span class="comment"> * \param title The title of the window.</span>
    714. 

  714. <a name="l00682"></a>00682 <span class="comment"> */</span>
    715. 

  715. <a name="l00683"></a>00683 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    716. 

  716. <a name="l00684"></a>00684 <span class="keyword">static</span> <span class="keywordtype">void</span>
    717. 

  717. <a name="l00685"></a>00685 window_new(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window,
    718. 

  718. <a name="l00686"></a>00686            <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> w, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a00038.html#ae2d4a4d04e07beaf18e7581f42d317dc" title="The height of the window, excluding window borders.">h</a>, <span class="keywordtype">char</span> *<a class="code" href="a00038.html#a88d87bdebfbac969714162a150325eb9" title="The title of the window.">title</a>)
    719. 

  719. <a name="l00687"></a>00687 {
    720. 

  720. <a name="l00688"></a>00688 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    721. 

  721. <a name="l00689"></a>00689 <span class="preprocessor"></span>  <span class="keywordflow">if</span>(w &gt;= width - 2) {
    722. 

  722. <a name="l00690"></a>00690     window-&gt;x = 0;
    723. 

  723. <a name="l00691"></a>00691   } <span class="keywordflow">else</span> {
    724. 

  724. <a name="l00692"></a>00692     window-&gt;x = (width - w - 2) / 2;
    725. 

  725. <a name="l00693"></a>00693   }
    726. 

  726. <a name="l00694"></a>00694   <span class="keywordflow">if</span>(h &gt;= height - 2 - ctk_draw_windowtitle_height) {
    727. 

  727. <a name="l00695"></a>00695     window-&gt;y = 0;
    728. 

  728. <a name="l00696"></a>00696   } <span class="keywordflow">else</span> {
    729. 

  729. <a name="l00697"></a>00697     window-&gt;y = (height - h - 2 - ctk_draw_windowtitle_height) / 2;
    730. 

  730. <a name="l00698"></a>00698   }
    731. 

  731. <a name="l00699"></a>00699 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    732. 

  732. <a name="l00700"></a>00700 
    733. 

  733. <a name="l00701"></a>00701   window-&gt;w = w;
    734. 

  734. <a name="l00702"></a>00702   window-&gt;h = h;
    735. 

  735. <a name="l00703"></a>00703   window-&gt;title = title;
    736. 

  736. <a name="l00704"></a>00704   <span class="keywordflow">if</span>(title != NULL) {
    737. 

  737. <a name="l00705"></a>00705     window-&gt;titlelen = (<span class="keywordtype">unsigned</span> char)strlen(title);
    738. 

  738. <a name="l00706"></a>00706   } <span class="keywordflow">else</span> {
    739. 

  739. <a name="l00707"></a>00707     window-&gt;titlelen = 0;
    740. 

  740. <a name="l00708"></a>00708   }
    741. 

  741. <a name="l00709"></a>00709   window-&gt;next = window-&gt;prev = NULL;
    742. 

  742. <a name="l00710"></a>00710   window-&gt;owner = <a class="code" href="a01627.html#ga64e81621381e2e575fad8959ce7a8496" title="Get a pointer to the currently running process.">PROCESS_CURRENT</a>();
    743. 

  743. <a name="l00711"></a>00711   window-&gt;active = window-&gt;inactive = window-&gt;focused = NULL;
    744. 

  744. <a name="l00712"></a>00712 }
    745. 

  745. <a name="l00713"></a>00713 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    746. 

  746. <a name="l00714"></a>00714 <span class="comment">/**</span>
    747. 

  747. <a name="l00715"></a>00715 <span class="comment"> * Create a new window.</span>
    748. 

  748. <a name="l00716"></a>00716 <span class="comment"> *</span>
    749. 

  749. <a name="l00717"></a>00717 <span class="comment"> * Creates a new window. The memory for the window structure must</span>
    750. 

  750. <a name="l00718"></a>00718 <span class="comment"> * already be allocated by the caller, and is usually done with a</span>
    751. 

  751. <a name="l00719"></a>00719 <span class="comment"> * static declaration.</span>
    752. 

  752. <a name="l00720"></a>00720 <span class="comment"> *</span>
    753. 

  753. <a name="l00721"></a>00721 <span class="comment"> * This function sets up the internal structure of the ctk_window</span>
    754. 

  754. <a name="l00722"></a>00722 <span class="comment"> * struct and creates the move and close buttons, but it does not open</span>
    755. 

  755. <a name="l00723"></a>00723 <span class="comment"> * the window. The window must be explicitly opened by calling the</span>
    756. 

  756. <a name="l00724"></a>00724 <span class="comment"> * ctk_window_open() function.</span>
    757. 

  757. <a name="l00725"></a>00725 <span class="comment"> *</span>
    758. 

  758. <a name="l00726"></a>00726 <span class="comment"> * \param window The window to be created.</span>
    759. 

  759. <a name="l00727"></a>00727 <span class="comment"> * \param w The width of the new window.</span>
    760. 

  760. <a name="l00728"></a>00728 <span class="comment"> * \param h The height of the new window.</span>
    761. 

  761. <a name="l00729"></a>00729 <span class="comment"> * \param title The title of the new window.</span>
    762. 

  762. <a name="l00730"></a>00730 <span class="comment"> */</span>
    763. 

  763. <a name="l00731"></a>00731 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    764. 

  764. <a name="l00732"></a>00732 <span class="keywordtype">void</span>
    765. 

  765. <a name="l00733"></a><a class="code" href="a01549.html#ga57b2761bf532a4041be73710ed080735">00733</a> <a class="code" href="a01551.html#ga461fb81e49e0ffdb1d4eeab952a60e35" title="Create a new window.">ctk_window_new</a>(<span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window,
    766. 

  766. <a name="l00734"></a>00734                <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> w, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> h, <span class="keywordtype">char</span> *title)
    767. 

  767. <a name="l00735"></a>00735 {
    768. 

  768. <a name="l00736"></a>00736   window_new(window, w, h, title);
    769. 

  769. <a name="l00737"></a>00737 
    770. 

  770. <a name="l00738"></a>00738 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    771. 

  771. <a name="l00739"></a>00739 <span class="preprocessor"></span>  make_windowbuttons(window);
    772. 

  772. <a name="l00740"></a>00740 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    773. 

  773. <a name="l00741"></a>00741 }
    774. 

  774. <a name="l00742"></a>00742 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    775. 

  775. <a name="l00743"></a>00743 <span class="preprocessor"></span><span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    776. 

  776. <a name="l00744"></a>00744 <span class="comment">/**</span>
    777. 

  777. <a name="l00745"></a>00745 <span class="comment"> * Creates a new dialog.</span>
    778. 

  778. <a name="l00746"></a>00746 <span class="comment"> *</span>
    779. 

  779. <a name="l00747"></a>00747 <span class="comment"> * This function only sets up the internal structure of the ctk_window</span>
    780. 

  780. <a name="l00748"></a>00748 <span class="comment"> * struct but does not open the dialog. The dialog must be explicitly</span>
    781. 

  781. <a name="l00749"></a>00749 <span class="comment"> * opened by calling the ctk_dialog_open() function.</span>
    782. 

  782. <a name="l00750"></a>00750 <span class="comment"> *</span>
    783. 

  783. <a name="l00751"></a>00751 <span class="comment"> * \param dialog The dialog to be created.</span>
    784. 

  784. <a name="l00752"></a>00752 <span class="comment"> * \param w The width of the dialog.</span>
    785. 

  785. <a name="l00753"></a>00753 <span class="comment"> * \param h The height of the dialog.</span>
    786. 

  786. <a name="l00754"></a>00754 <span class="comment"> */</span>
    787. 

  787. <a name="l00755"></a>00755 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    788. 

  788. <a name="l00756"></a>00756 <span class="keywordtype">void</span>
    789. 

  789. <a name="l00757"></a>00757 ctk_dialog_new(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *dialog,
    790. 

  790. <a name="l00758"></a>00758                <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> w, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> h)
    791. 

  791. <a name="l00759"></a>00759 {
    792. 

  792. <a name="l00760"></a>00760   window_new(dialog, w, h, NULL);
    793. 

  793. <a name="l00761"></a>00761 }
    794. 

  794. <a name="l00762"></a>00762 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    795. 

  795. <a name="l00763"></a>00763 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    796. 

  796. <a name="l00764"></a>00764 <span class="comment">/**</span>
    797. 

  797. <a name="l00765"></a>00765 <span class="comment"> * Creates a new menu.</span>
    798. 

  798. <a name="l00766"></a>00766 <span class="comment"> *</span>
    799. 

  799. <a name="l00767"></a>00767 <span class="comment"> * This function sets up the internal structure of the menu, but does</span>
    800. 

  800. <a name="l00768"></a>00768 <span class="comment"> * not add it to the menubar. Use the function ctk_menu_add() for that</span>
    801. 

  801. <a name="l00769"></a>00769 <span class="comment"> * purpose.</span>
    802. 

  802. <a name="l00770"></a>00770 <span class="comment"> *</span>
    803. 

  803. <a name="l00771"></a>00771 <span class="comment"> * \param menu The menu to be created.</span>
    804. 

  804. <a name="l00772"></a>00772 <span class="comment"> * \param title The title of the menu.</span>
    805. 

  805. <a name="l00773"></a>00773 <span class="comment"> */</span>
    806. 

  806. <a name="l00774"></a>00774 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    807. 

  807. <a name="l00775"></a>00775 <span class="keywordtype">void</span>
    808. 

  808. <a name="l00776"></a><a class="code" href="a01551.html#ga7bd342f9787259933396efd7505c2a02">00776</a> <a class="code" href="a01551.html#ga7bd342f9787259933396efd7505c2a02" title="Creates a new menu.">ctk_menu_new</a>(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *menu, <span class="keywordtype">char</span> *title)
    809. 

  809. <a name="l00777"></a>00777 {
    810. 

  810. <a name="l00778"></a>00778 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    811. 

  811. <a name="l00779"></a>00779 <span class="preprocessor"></span>  menu-&gt;next = NULL;
    812. 

  812. <a name="l00780"></a>00780   menu-&gt;title = title;
    813. 

  813. <a name="l00781"></a>00781   menu-&gt;titlelen = (<span class="keywordtype">unsigned</span> char)strlen(title);
    814. 

  814. <a name="l00782"></a>00782   menu-&gt;active = 0;
    815. 

  815. <a name="l00783"></a>00783   menu-&gt;nitems = 0;
    816. 

  816. <a name="l00784"></a>00784 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    817. 

  817. <a name="l00785"></a>00785 }
    818. 

  818. <a name="l00786"></a>00786 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    819. 

  819. <a name="l00787"></a>00787 <span class="comment">/**</span>
    820. 

  820. <a name="l00788"></a>00788 <span class="comment"> * Adds a menu item to a menu.</span>
    821. 

  821. <a name="l00789"></a>00789 <span class="comment"> *</span>
    822. 

  822. <a name="l00790"></a>00790 <span class="comment"> * In CTK, each menu item is identified by a number which is unique</span>
    823. 

  823. <a name="l00791"></a>00791 <span class="comment"> * within each menu. When a menu item is selected, a</span>
    824. 

  824. <a name="l00792"></a>00792 <span class="comment"> * ctk_menuitem_activated signal is emitted and the menu item number</span>
    825. 

  825. <a name="l00793"></a>00793 <span class="comment"> * is passed as signal data with the signal.</span>
    826. 

  826. <a name="l00794"></a>00794 <span class="comment"> *</span>
    827. 

  827. <a name="l00795"></a>00795 <span class="comment"> * \param menu The menu to which the menu item should be added.</span>
    828. 

  828. <a name="l00796"></a>00796 <span class="comment"> * \param name The name of the menu item.</span>
    829. 

  829. <a name="l00797"></a>00797 <span class="comment"> * \return The number of the menu item.</span>
    830. 

  830. <a name="l00798"></a>00798 <span class="comment"> */</span>
    831. 

  831. <a name="l00799"></a>00799 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    832. 

  832. <a name="l00800"></a>00800 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>
    833. 

  833. <a name="l00801"></a><a class="code" href="a01551.html#gaaa8b54ce437af6b62eea13012ef6b83c">00801</a> <a class="code" href="a01551.html#gaaa8b54ce437af6b62eea13012ef6b83c" title="Adds a menu item to a menu.">ctk_menuitem_add</a>(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *menu, <span class="keywordtype">char</span> *name)
    834. 

  834. <a name="l00802"></a>00802 {
    835. 

  835. <a name="l00803"></a>00803 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    836. 

  836. <a name="l00804"></a>00804 <span class="preprocessor"></span>  <span class="keywordflow">if</span>(menu-&gt;nitems == CTK_MAXMENUITEMS) {
    837. 

  837. <a name="l00805"></a>00805     <span class="keywordflow">return</span> 0;
    838. 

  838. <a name="l00806"></a>00806   }
    839. 

  839. <a name="l00807"></a>00807   menu-&gt;items[menu-&gt;nitems].title = name;
    840. 

  840. <a name="l00808"></a>00808   menu-&gt;items[menu-&gt;nitems].titlelen = (<span class="keywordtype">unsigned</span> char)strlen(name);
    841. 

  841. <a name="l00809"></a>00809   <span class="keywordflow">return</span> menu-&gt;nitems++;
    842. 

  842. <a name="l00810"></a>00810 <span class="preprocessor">#else</span>
    843. 

  843. <a name="l00811"></a>00811 <span class="preprocessor"></span>  <span class="keywordflow">return</span> 0;
    844. 

  844. <a name="l00812"></a>00812 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    845. 

  845. <a name="l00813"></a>00813 }
    846. 

  846. <a name="l00814"></a>00814 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    847. 

  847. <a name="l00815"></a>00815 <span class="comment">/**</span>
    848. 

  848. <a name="l00816"></a>00816 <span class="comment"> * \internal Adds a widget to the list of widgets that should be</span>
    849. 

  849. <a name="l00817"></a>00817 <span class="comment"> * redrawn.</span>
    850. 

  850. <a name="l00818"></a>00818 <span class="comment"> *</span>
    851. 

  851. <a name="l00819"></a>00819 <span class="comment"> * \param w The widget that should be redrawn.</span>
    852. 

  852. <a name="l00820"></a>00820 <span class="comment"> */</span>
    853. 

  853. <a name="l00821"></a>00821 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    854. 

  854. <a name="l00822"></a>00822 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00436.html#ab81105e5bb440a5f17579e7abf3415f5" title="Configure if the C compiler supports fastcall function declarations.">CC_FASTCALL</a>
    855. 

  855. <a name="l00823"></a>00823 add_redrawwidget(<span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *w)
    856. 

  856. <a name="l00824"></a>00824 {
    857. 

  857. <a name="l00825"></a>00825   <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
    858. 

  858. <a name="l00826"></a>00826   
    859. 

  859. <a name="l00827"></a>00827   <span class="keywordflow">if</span>(redraw_widgetptr == MAX_REDRAWWIDGETS) {
    860. 

  860. <a name="l00828"></a>00828     redraw |= REDRAW_FOCUS;
    861. 

  861. <a name="l00829"></a>00829   } <span class="keywordflow">else</span> {
    862. 

  862. <a name="l00830"></a>00830     redraw |= REDRAW_WIDGETS;
    863. 

  863. <a name="l00831"></a>00831     <span class="comment">/* Check if it is in the queue already. If so, we don&apos;t add it</span>
    864. 

  864. <a name="l00832"></a>00832 <span class="comment">       again. */</span>
    865. 

  865. <a name="l00833"></a>00833     <span class="keywordflow">for</span>(i = 0; i &lt; redraw_widgetptr; ++i) {
    866. 

  866. <a name="l00834"></a>00834       <span class="keywordflow">if</span>(redraw_widgets[i] == w) {
    867. 

  867. <a name="l00835"></a>00835         <span class="keywordflow">return</span>;
    868. 

  868. <a name="l00836"></a>00836       }
    869. 

  869. <a name="l00837"></a>00837     }
    870. 

  870. <a name="l00838"></a>00838     redraw_widgets[redraw_widgetptr++] = w;
    871. 

  871. <a name="l00839"></a>00839   }
    872. 

  872. <a name="l00840"></a>00840 }
    873. 

  873. <a name="l00841"></a>00841 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    874. 

  874. <a name="l00842"></a>00842 <span class="comment">/**</span>
    875. 

  875. <a name="l00843"></a>00843 <span class="comment"> * \internal Checks if a widget redrawn and adds it to the list of</span>
    876. 

  876. <a name="l00844"></a>00844 <span class="comment"> * widgets to be redrawn.</span>
    877. 

  877. <a name="l00845"></a>00845 <span class="comment"> *</span>
    878. 

  878. <a name="l00846"></a>00846 <span class="comment"> * A widget can be redrawn only if the current CTK mode is</span>
    879. 

  879. <a name="l00847"></a>00847 <span class="comment"> * CTK_MODE_NORMAL, if no menu is open, and the widget is in the</span>
    880. 

  880. <a name="l00848"></a>00848 <span class="comment"> * foremost window.</span>
    881. 

  881. <a name="l00849"></a>00849 <span class="comment"> *</span>
    882. 

  882. <a name="l00850"></a>00850 <span class="comment"> * \param widget The widget that should be redrawn.</span>
    883. 

  883. <a name="l00851"></a>00851 <span class="comment"> */</span>
    884. 

  884. <a name="l00852"></a>00852 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    885. 

  885. <a name="l00853"></a>00853 <span class="keyword">static</span> <span class="keywordtype">void</span>
    886. 

  886. <a name="l00854"></a>00854 widget_redraw(<span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *widget)
    887. 

  887. <a name="l00855"></a>00855 {
    888. 

  888. <a name="l00856"></a>00856   <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window;
    889. 

  889. <a name="l00857"></a>00857 
    890. 

  890. <a name="l00858"></a>00858   <span class="keywordflow">if</span>(mode != CTK_MODE_NORMAL || widget == NULL) {
    891. 

  891. <a name="l00859"></a>00859     <span class="keywordflow">return</span>;
    892. 

  892. <a name="l00860"></a>00860   }
    893. 

  893. <a name="l00861"></a>00861 
    894. 

  894. <a name="l00862"></a>00862   <span class="comment">/* Only redraw widgets that are in the foremost window. If we would</span>
    895. 

  895. <a name="l00863"></a>00863 <span class="comment">     allow redrawing widgets in non-focused windows, we would have to</span>
    896. 

  896. <a name="l00864"></a>00864 <span class="comment">     redraw all the windows that cover the non-focused window as well,</span>
    897. 

  897. <a name="l00865"></a>00865 <span class="comment">     which would lead to flickering.</span>
    898. 

  898. <a name="l00866"></a>00866 <span class="comment"></span>
    899. 

  899. <a name="l00867"></a>00867 <span class="comment">     Also, we avoid drawing any widgets when the menus are active.</span>
    900. 

  900. <a name="l00868"></a>00868 <span class="comment">    */</span>
    901. 

  901. <a name="l00869"></a>00869     
    902. 

  902. <a name="l00870"></a>00870 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    903. 

  903. <a name="l00871"></a>00871 <span class="preprocessor"></span>  <span class="keywordflow">if</span>(menus.open == NULL)
    904. 

  904. <a name="l00872"></a>00872 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    905. 

  905. <a name="l00873"></a>00873   {
    906. 

  906. <a name="l00874"></a>00874     window = widget-&gt;<a class="code" href="a00036.html#a07d184cf7dba0e5051b132da7f392490" title="The window in which the widget is contained.">window</a>;
    907. 

  907. <a name="l00875"></a>00875 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    908. 

  908. <a name="l00876"></a>00876 <span class="preprocessor"></span>    <span class="keywordflow">if</span>(window == dialog) {
    909. 

  909. <a name="l00877"></a>00877       <a class="code" href="a00020.html#ga2c09354ec5cfdb654b09cf478e8f2399" title="Draw a widget on a window.">ctk_draw_widget</a>(widget, <a class="code" href="a00020.html#ga609601e009471eb21c7ff906358a2faf" title="Widget focus flag: widget is in a dialog.">CTK_FOCUS_DIALOG</a>, 0, height);
    910. 

  910. <a name="l00878"></a>00878     } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dialog == NULL &amp;&amp;
    911. 

  911. <a name="l00879"></a>00879               (window == windows ||
    912. 

  912. <a name="l00880"></a>00880                window == &amp;desktop_window))
    913. 

  913. <a name="l00881"></a>00881 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    914. 

  914. <a name="l00882"></a>00882     {
    915. 

  915. <a name="l00883"></a>00883       <a class="code" href="a00020.html#ga2c09354ec5cfdb654b09cf478e8f2399" title="Draw a widget on a window.">ctk_draw_widget</a>(widget, <a class="code" href="a00020.html#gaa6bcc3324b455c546e94ba330f6c719b" title="Widget focus flag: widget&amp;#39;s window is the foremost one.">CTK_FOCUS_WINDOW</a>, 0, height);
    916. 

  916. <a name="l00884"></a>00884     }
    917. 

  917. <a name="l00885"></a>00885   }
    918. 

  918. <a name="l00886"></a>00886 }
    919. 

  919. <a name="l00887"></a>00887 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    920. 

  920. <a name="l00888"></a>00888 <span class="comment">/**</span>
    921. 

  921. <a name="l00889"></a>00889 <span class="comment"> * Redraws a widget.</span>
    922. 

  922. <a name="l00890"></a>00890 <span class="comment"> *</span>
    923. 

  923. <a name="l00891"></a>00891 <span class="comment"> * This function will set a flag which causes the widget to be redrawn</span>
    924. 

  924. <a name="l00892"></a>00892 <span class="comment"> * next time the CTK process is scheduled.</span>
    925. 

  925. <a name="l00893"></a>00893 <span class="comment"> *</span>
    926. 

  926. <a name="l00894"></a>00894 <span class="comment"> * \param widget The widget that is to be redrawn.</span>
    927. 

  927. <a name="l00895"></a>00895 <span class="comment"> *</span>
    928. 

  928. <a name="l00896"></a>00896 <span class="comment"> * \note This function should usually not be called directly since it</span>
    929. 

  929. <a name="l00897"></a>00897 <span class="comment"> * requires typecasting of the widget parameter. The wrapper macro</span>
    930. 

  930. <a name="l00898"></a>00898 <span class="comment"> * CTK_WIDGET_REDRAW() does the required typecast and should be used</span>
    931. 

  931. <a name="l00899"></a>00899 <span class="comment"> * instead.</span>
    932. 

  932. <a name="l00900"></a>00900 <span class="comment"> */</span>
    933. 

  933. <a name="l00901"></a>00901 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    934. 

  934. <a name="l00902"></a>00902 <span class="keywordtype">void</span>
    935. 

  935. <a name="l00903"></a>00903 <a class="code" href="a01551.html#gaa01cba13f4c9a7719ea02876c779a02a" title="Redraws a widget.">ctk_widget_redraw</a>(<span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *widget)
    936. 

  936. <a name="l00904"></a>00904 {
    937. 

  937. <a name="l00905"></a>00905   <span class="keywordflow">if</span>(mode != CTK_MODE_NORMAL || widget == NULL) {
    938. 

  938. <a name="l00906"></a>00906     <span class="keywordflow">return</span>;
    939. 

  939. <a name="l00907"></a>00907   }
    940. 

  940. <a name="l00908"></a>00908 
    941. 

  941. <a name="l00909"></a>00909   <span class="comment">/* Since this function isn&apos;t called by CTK itself, we only queue the</span>
    942. 

  942. <a name="l00910"></a>00910 <span class="comment">     redraw request. */</span>
    943. 

  943. <a name="l00911"></a>00911   add_redrawwidget(widget);
    944. 

  944. <a name="l00912"></a>00912 }
    945. 

  945. <a name="l00913"></a>00913 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    946. 

  946. <a name="l00914"></a>00914 <span class="comment">/**</span>
    947. 

  947. <a name="l00915"></a>00915 <span class="comment"> * Adds a widget to a window.</span>
    948. 

  948. <a name="l00916"></a>00916 <span class="comment"> *</span>
    949. 

  949. <a name="l00917"></a>00917 <span class="comment"> * This function adds a widget to a window. The order of which the</span>
    950. 

  950. <a name="l00918"></a>00918 <span class="comment"> * widgets are added is important, as it sets the order to which</span>
    951. 

  951. <a name="l00919"></a>00919 <span class="comment"> * widgets are cycled with the widget selection keys.</span>
    952. 

  952. <a name="l00920"></a>00920 <span class="comment"> *</span>
    953. 

  953. <a name="l00921"></a>00921 <span class="comment"> * \param window The window to which the widhet should be added.</span>
    954. 

  954. <a name="l00922"></a>00922 <span class="comment"> * \param widget The widget to be added.</span>
    955. 

  955. <a name="l00923"></a>00923 <span class="comment"> */</span>
    956. 

  956. <a name="l00924"></a>00924 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    957. 

  957. <a name="l00925"></a>00925 <span class="keywordtype">void</span> <a class="code" href="a00436.html#ab81105e5bb440a5f17579e7abf3415f5" title="Configure if the C compiler supports fastcall function declarations.">CC_FASTCALL</a>
    958. 

  958. <a name="l00926"></a><a class="code" href="a01551.html#gafdd6e4493fc97e7051d39ea806ee280f">00926</a> <a class="code" href="a01551.html#gafdd6e4493fc97e7051d39ea806ee280f" title="Adds a widget to a window.">ctk_widget_add</a>(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window,
    959. 

  959. <a name="l00927"></a>00927                <a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *widget)
    960. 

  960. <a name="l00928"></a>00928 {
    961. 

  961. <a name="l00929"></a>00929   <span class="keywordflow">if</span>(widget-&gt;type == <a class="code" href="a00020.html#ga1fb739218fa5f53c992a3bcf2c7e0c57" title="Widget number: The CTK label widget.">CTK_WIDGET_LABEL</a> ||
    962. 

  962. <a name="l00930"></a>00930      widget-&gt;type == <a class="code" href="a00020.html#ga0d2cd2b8d5b238bdeedb7a8cf5c0e58a" title="Widget number: The CTK separator widget.">CTK_WIDGET_SEPARATOR</a>) {
    963. 

  963. <a name="l00931"></a>00931     widget-&gt;next = window-&gt;inactive;
    964. 

  964. <a name="l00932"></a>00932     window-&gt;inactive = widget;
    965. 

  965. <a name="l00933"></a>00933     widget-&gt;window = window;
    966. 

  966. <a name="l00934"></a>00934   } <span class="keywordflow">else</span> {
    967. 

  967. <a name="l00935"></a>00935     widget-&gt;next = window-&gt;active;
    968. 

  968. <a name="l00936"></a>00936     window-&gt;active = widget;
    969. 

  969. <a name="l00937"></a>00937     widget-&gt;window = window;
    970. 

  970. <a name="l00938"></a>00938   }
    971. 

  971. <a name="l00939"></a>00939 }
    972. 

  972. <a name="l00940"></a>00940 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    973. 

  973. <a name="l00941"></a>00941 <span class="comment">/**</span>
    974. 

  974. <a name="l00942"></a>00942 <span class="comment"> * Gets the width of the desktop.</span>
    975. 

  975. <a name="l00943"></a>00943 <span class="comment"> *</span>
    976. 

  976. <a name="l00944"></a>00944 <span class="comment"> * \param d The desktop.</span>
    977. 

  977. <a name="l00945"></a>00945 <span class="comment"> * \return The width of the desktop, in characters.</span>
    978. 

  978. <a name="l00946"></a>00946 <span class="comment"> *</span>
    979. 

  979. <a name="l00947"></a>00947 <span class="comment"> * \note The d parameter is currently unused and must be set to NULL.</span>
    980. 

  980. <a name="l00948"></a>00948 <span class="comment"> */</span>
    981. 

  981. <a name="l00949"></a>00949 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    982. 

  982. <a name="l00950"></a>00950 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>
    983. 

  983. <a name="l00951"></a>00951 <a class="code" href="a01551.html#ga1c6cf638e8b8b09c5c8170d1392d5596" title="Gets the width of the desktop.">ctk_desktop_width</a>(<span class="keyword">struct</span> ctk_desktop *d)
    984. 

  984. <a name="l00952"></a>00952 {
    985. 

  985. <a name="l00953"></a>00953   <span class="keywordflow">return</span> ctk_draw_width();
    986. 

  986. <a name="l00954"></a>00954 }
    987. 

  987. <a name="l00955"></a>00955 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    988. 

  988. <a name="l00956"></a>00956 <span class="comment">/**</span>
    989. 

  989. <a name="l00957"></a>00957 <span class="comment"> * Gets the height of the desktop.</span>
    990. 

  990. <a name="l00958"></a>00958 <span class="comment"> *</span>
    991. 

  991. <a name="l00959"></a>00959 <span class="comment"> * \param d The desktop.</span>
    992. 

  992. <a name="l00960"></a>00960 <span class="comment"> * \return The height of the desktop, in characters.</span>
    993. 

  993. <a name="l00961"></a>00961 <span class="comment"> *</span>
    994. 

  994. <a name="l00962"></a>00962 <span class="comment"> * \note The d parameter is currently unused and must be set to NULL.</span>
    995. 

  995. <a name="l00963"></a>00963 <span class="comment"> */</span>
    996. 

  996. <a name="l00964"></a>00964 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    997. 

  997. <a name="l00965"></a>00965 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>
    998. 

  998. <a name="l00966"></a>00966 <a class="code" href="a01551.html#ga2dc8829552117ddc7dc9d5d1780e5fd7" title="Gets the height of the desktop.">ctk_desktop_height</a>(<span class="keyword">struct</span> ctk_desktop *d)
    999. 

  999. <a name="l00967"></a>00967 {
    1000. 

  1000. <a name="l00968"></a>00968   <span class="keywordflow">return</span> ctk_draw_height();
    1001. 

  1001. <a name="l00969"></a>00969 }
    1002. 

  1002. <a name="l00970"></a>00970 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    1003. 

  1003. <a name="l00971"></a>00971 <span class="comment">/**</span>
    1004. 

  1004. <a name="l00972"></a>00972 <span class="comment"> * \internal Selects a widget in the window of the widget.</span>
    1005. 

  1005. <a name="l00973"></a>00973 <span class="comment"> *</span>
    1006. 

  1006. <a name="l00974"></a>00974 <span class="comment"> * \param focus The widget to be focused.</span>
    1007. 

  1007. <a name="l00975"></a>00975 <span class="comment"> */</span>
    1008. 

  1008. <a name="l00976"></a>00976 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1009. 

  1009. <a name="l00977"></a>00977 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00436.html#ab81105e5bb440a5f17579e7abf3415f5" title="Configure if the C compiler supports fastcall function declarations.">CC_FASTCALL</a>
    1010. 

  1010. <a name="l00978"></a>00978 select_widget(<span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *focus)
    1011. 

  1011. <a name="l00979"></a>00979 {
    1012. 

  1012. <a name="l00980"></a>00980   <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window;
    1013. 

  1013. <a name="l00981"></a>00981 
    1014. 

  1014. <a name="l00982"></a>00982   window = focus-&gt;<a class="code" href="a00036.html#a07d184cf7dba0e5051b132da7f392490" title="The window in which the widget is contained.">window</a>;
    1015. 

  1015. <a name="l00983"></a>00983   
    1016. 

  1016. <a name="l00984"></a>00984   <span class="keywordflow">if</span>(focus != window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>) {
    1017. 

  1017. <a name="l00985"></a>00985     window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a> = focus;
    1018. 

  1018. <a name="l00986"></a>00986     <span class="comment">/* The operation changed the focus, so we emit a &quot;hover&quot; signal</span>
    1019. 

  1019. <a name="l00987"></a>00987 <span class="comment">       for those widgets that support it. */</span>
    1020. 

  1020. <a name="l00988"></a>00988     
    1021. 

  1021. <a name="l00989"></a>00989     <span class="keywordflow">if</span>(window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>-&gt;<a class="code" href="a00036.html#a0313c4e5ca0a34104fc5514b6dd8d636" title="The type of the widget: CTK_WIDGET_SEPARATOR, CTK_WIDGET_LABEL, CTK_WIDGET_BUTTON...">type</a> == <a class="code" href="a00020.html#gad35ef85bb5562d70cee05f97968dadbc" title="Widget number: The CTK hyperlink widget.">CTK_WIDGET_HYPERLINK</a>) {
    1022. 

  1022. <a name="l00990"></a>00990       <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(window-&gt;<a class="code" href="a00038.html#aa0a9f81cb95a7f999c2618ee2c19afe6" title="The process that owns the window.">owner</a>, <a class="code" href="a01550.html#ga9e08a17ead01c3ae4ac4e96b40cae885" title="Same as ctk_signal_widget_select.">ctk_signal_hyperlink_hover</a>, window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>);
    1023. 

  1023. <a name="l00991"></a>00991     } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>-&gt;<a class="code" href="a00036.html#a0313c4e5ca0a34104fc5514b6dd8d636" title="The type of the widget: CTK_WIDGET_SEPARATOR, CTK_WIDGET_LABEL, CTK_WIDGET_BUTTON...">type</a> == <a class="code" href="a00020.html#gae8adf9839c98a840b0b9b7c070422440" title="Widget number: The CTK button widget.">CTK_WIDGET_BUTTON</a>) {
    1024. 

  1024. <a name="l00992"></a>00992       <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(window-&gt;<a class="code" href="a00038.html#aa0a9f81cb95a7f999c2618ee2c19afe6" title="The process that owns the window.">owner</a>, <a class="code" href="a01550.html#ga18b0bcdb7d4ba13f8f692ffd8d54a690" title="Same as ctk_signal_widget_select.">ctk_signal_button_hover</a>, window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>);
    1025. 

  1025. <a name="l00993"></a>00993     }
    1026. 

  1026. <a name="l00994"></a>00994     
    1027. 

  1027. <a name="l00995"></a>00995     add_redrawwidget(window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>);
    1028. 

  1028. <a name="l00996"></a>00996 
    1029. 

  1029. <a name="l00997"></a>00997     <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(focus-&gt;<a class="code" href="a00036.html#a07d184cf7dba0e5051b132da7f392490" title="The window in which the widget is contained.">window</a>-&gt;<a class="code" href="a00038.html#aa0a9f81cb95a7f999c2618ee2c19afe6" title="The process that owns the window.">owner</a>, <a class="code" href="a01550.html#ga84a8111d8df809f10e8ad81bc47edc3a" title="Emitted when a widget is selected.">ctk_signal_widget_select</a>, focus);
    1030. 

  1030. <a name="l00998"></a>00998   }
    1031. 

  1031. <a name="l00999"></a>00999 }
    1032. 

  1032. <a name="l01000"></a>01000 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1033. 

  1033. <a name="l01001"></a>01001 <span class="preprocessor">#define UP 0</span>
    1034. 

  1034. <a name="l01002"></a>01002 <span class="preprocessor"></span><span class="preprocessor">#define DOWN 1</span>
    1035. 

  1035. <a name="l01003"></a>01003 <span class="preprocessor"></span><span class="preprocessor">#define LEFT 2</span>
    1036. 

  1036. <a name="l01004"></a>01004 <span class="preprocessor"></span><span class="preprocessor">#define RIGHT 3</span>
    1037. 

  1037. <a name="l01005"></a>01005 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00436.html#ab81105e5bb440a5f17579e7abf3415f5" title="Configure if the C compiler supports fastcall function declarations.">CC_FASTCALL</a>
    1038. 

  1038. <a name="l01006"></a>01006 switch_focus_widget(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> direction)
    1039. 

  1039. <a name="l01007"></a>01007 {
    1040. 

  1040. <a name="l01008"></a>01008 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1041. 

  1041. <a name="l01009"></a>01009 <span class="preprocessor"></span>  <span class="keyword">register</span> <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window;
    1042. 

  1042. <a name="l01010"></a>01010 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1043. 

  1043. <a name="l01011"></a>01011   <span class="keyword">register</span> <span class="keyword">struct </span><a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *focus;
    1044. 

  1044. <a name="l01012"></a>01012   <span class="keyword">struct </span><a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *widget;
    1045. 

  1045. <a name="l01013"></a>01013   
    1046. 

  1046. <a name="l01014"></a>01014 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1047. 

  1047. <a name="l01015"></a>01015 <span class="preprocessor"></span>  <span class="keywordflow">if</span>(dialog != NULL) {
    1048. 

  1048. <a name="l01016"></a>01016     window = dialog;
    1049. 

  1049. <a name="l01017"></a>01017   } <span class="keywordflow">else</span> {
    1050. 

  1050. <a name="l01018"></a>01018     window = windows;
    1051. 

  1051. <a name="l01019"></a>01019   }
    1052. 

  1052. <a name="l01020"></a>01020 
    1053. 

  1053. <a name="l01021"></a>01021   <span class="comment">/* If there are no windows open, we move focus around between the</span>
    1054. 

  1054. <a name="l01022"></a>01022 <span class="comment">     icons on the root window instead. */</span>
    1055. 

  1055. <a name="l01023"></a>01023   <span class="keywordflow">if</span>(window == NULL) {
    1056. 

  1056. <a name="l01024"></a>01024     window = &amp;desktop_window;
    1057. 

  1057. <a name="l01025"></a>01025   }
    1058. 

  1058. <a name="l01026"></a>01026 <span class="preprocessor">#else </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1059. 

  1059. <a name="l01027"></a>01027   <span class="keywordflow">if</span>(window == NULL) {
    1060. 

  1060. <a name="l01028"></a>01028     <span class="keywordflow">return</span>;
    1061. 

  1061. <a name="l01029"></a>01029   }
    1062. 

  1062. <a name="l01030"></a>01030 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1063. 

  1063. <a name="l01031"></a>01031  
    1064. 

  1064. <a name="l01032"></a>01032   focus = window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>;
    1065. 

  1065. <a name="l01033"></a>01033   <span class="keywordflow">if</span>(focus == NULL) {
    1066. 

  1066. <a name="l01034"></a>01034     focus = window-&gt;<a class="code" href="a00038.html#ad5cf5ddb025397eb66da6753ce8492a4" title="The list of widgets that can be selected by the user.">active</a>;
    1067. 

  1067. <a name="l01035"></a>01035     <span class="keywordflow">if</span>(focus == NULL) {
    1068. 

  1068. <a name="l01036"></a>01036       <span class="keywordflow">return</span>;
    1069. 

  1069. <a name="l01037"></a>01037     }
    1070. 

  1070. <a name="l01038"></a>01038   }
    1071. 

  1071. <a name="l01039"></a>01039   add_redrawwidget(focus);
    1072. 

  1072. <a name="l01040"></a>01040   
    1073. 

  1073. <a name="l01041"></a>01041   <span class="keywordflow">if</span>((direction &amp; 1) == 0) {
    1074. 

  1074. <a name="l01042"></a>01042     <span class="comment">/* Move focus &quot;up&quot; */</span>
    1075. 

  1075. <a name="l01043"></a>01043     focus = focus-&gt;<a class="code" href="a00036.html#a3621ec9de98f2b90ec42cb2833d88423" title="The next widget in the linked list of widgets that is contained in the ctk_window...">next</a>;
    1076. 

  1076. <a name="l01044"></a>01044   } <span class="keywordflow">else</span> {
    1077. 

  1077. <a name="l01045"></a>01045     <span class="comment">/* Move focus &quot;down&quot; */</span>
    1078. 

  1078. <a name="l01046"></a>01046     <span class="keywordflow">for</span>(widget = window-&gt;<a class="code" href="a00038.html#ad5cf5ddb025397eb66da6753ce8492a4" title="The list of widgets that can be selected by the user.">active</a>;
    1079. 

  1079. <a name="l01047"></a>01047         widget != NULL; widget = widget-&gt;<a class="code" href="a00036.html#a3621ec9de98f2b90ec42cb2833d88423" title="The next widget in the linked list of widgets that is contained in the ctk_window...">next</a>) {
    1080. 

  1080. <a name="l01048"></a>01048         <span class="keywordflow">if</span>(widget-&gt;<a class="code" href="a00036.html#a3621ec9de98f2b90ec42cb2833d88423" title="The next widget in the linked list of widgets that is contained in the ctk_window...">next</a> == focus) {
    1081. 

  1081. <a name="l01049"></a>01049           <span class="keywordflow">break</span>;
    1082. 

  1082. <a name="l01050"></a>01050         }
    1083. 

  1083. <a name="l01051"></a>01051     }
    1084. 

  1084. <a name="l01052"></a>01052     focus = widget;
    1085. 

  1085. <a name="l01053"></a>01053     <span class="keywordflow">if</span>(focus == NULL) {
    1086. 

  1086. <a name="l01054"></a>01054       <span class="keywordflow">if</span>(window-&gt;<a class="code" href="a00038.html#ad5cf5ddb025397eb66da6753ce8492a4" title="The list of widgets that can be selected by the user.">active</a> != NULL) {
    1087. 

  1087. <a name="l01055"></a>01055         <span class="keywordflow">for</span>(focus = window-&gt;<a class="code" href="a00038.html#ad5cf5ddb025397eb66da6753ce8492a4" title="The list of widgets that can be selected by the user.">active</a>;
    1088. 

  1088. <a name="l01056"></a>01056             focus-&gt;<a class="code" href="a00036.html#a3621ec9de98f2b90ec42cb2833d88423" title="The next widget in the linked list of widgets that is contained in the ctk_window...">next</a> != NULL; focus = focus-&gt;<a class="code" href="a00036.html#a3621ec9de98f2b90ec42cb2833d88423" title="The next widget in the linked list of widgets that is contained in the ctk_window...">next</a>);
    1089. 

  1089. <a name="l01057"></a>01057       }
    1090. 

  1090. <a name="l01058"></a>01058     }
    1091. 

  1091. <a name="l01059"></a>01059   }
    1092. 

  1092. <a name="l01060"></a>01060   <span class="keywordflow">if</span>(focus == NULL) {
    1093. 

  1093. <a name="l01061"></a>01061     focus = window-&gt;<a class="code" href="a00038.html#ad5cf5ddb025397eb66da6753ce8492a4" title="The list of widgets that can be selected by the user.">active</a>;
    1094. 

  1094. <a name="l01062"></a>01062   }
    1095. 

  1095. <a name="l01063"></a>01063 
    1096. 

  1096. <a name="l01064"></a>01064   select_widget(focus);
    1097. 

  1097. <a name="l01065"></a>01065 }
    1098. 

  1098. <a name="l01066"></a>01066 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1099. 

  1099. <a name="l01067"></a>01067 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1100. 

  1100. <a name="l01068"></a>01068 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span>
    1101. 

  1101. <a name="l01069"></a>01069 switch_open_menu(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> rightleft)
    1102. 

  1102. <a name="l01070"></a>01070 {
    1103. 

  1103. <a name="l01071"></a>01071   <span class="keyword">struct </span><a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *menu;
    1104. 

  1104. <a name="l01072"></a>01072   
    1105. 

  1105. <a name="l01073"></a>01073   <span class="keywordflow">if</span>(rightleft == 0) {
    1106. 

  1106. <a name="l01074"></a>01074     <span class="comment">/* Move right */</span>
    1107. 

  1107. <a name="l01075"></a>01075     <span class="keywordflow">for</span>(menu = menus.menus; menu != NULL; menu = menu-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>) {
    1108. 

  1108. <a name="l01076"></a>01076       <span class="keywordflow">if</span>(menu-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a> == menus.open) {
    1109. 

  1109. <a name="l01077"></a>01077         <span class="keywordflow">break</span>;
    1110. 

  1110. <a name="l01078"></a>01078       }
    1111. 

  1111. <a name="l01079"></a>01079     }
    1112. 

  1112. <a name="l01080"></a>01080     lastmenu = menus.open;
    1113. 

  1113. <a name="l01081"></a>01081     menus.open = menu;
    1114. 

  1114. <a name="l01082"></a>01082     <span class="keywordflow">if</span>(menus.open == NULL) {
    1115. 

  1115. <a name="l01083"></a>01083       <span class="keywordflow">for</span>(menu = menus.menus;
    1116. 

  1116. <a name="l01084"></a>01084           menu-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a> != NULL; menu = menu-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>);
    1117. 

  1117. <a name="l01085"></a>01085       menus.open = menu;
    1118. 

  1118. <a name="l01086"></a>01086     }
    1119. 

  1119. <a name="l01087"></a>01087   } <span class="keywordflow">else</span> {
    1120. 

  1120. <a name="l01088"></a>01088     <span class="comment">/* Move to left */</span>
    1121. 

  1121. <a name="l01089"></a>01089     lastmenu = menus.open;
    1122. 

  1122. <a name="l01090"></a>01090     menus.open = menus.open-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>;
    1123. 

  1123. <a name="l01091"></a>01091     <span class="keywordflow">if</span>(menus.open == NULL) {
    1124. 

  1124. <a name="l01092"></a>01092       menus.open = menus.menus;
    1125. 

  1125. <a name="l01093"></a>01093     }
    1126. 

  1126. <a name="l01094"></a>01094   }
    1127. 

  1127. <a name="l01095"></a>01095 
    1128. 

  1128. <a name="l01096"></a>01096   menus.open-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a> = 0;
    1129. 

  1129. <a name="l01097"></a>01097 }
    1130. 

  1130. <a name="l01098"></a>01098 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1131. 

  1131. <a name="l01099"></a>01099 <span class="keyword">static</span> <span class="keywordtype">void</span>
    1132. 

  1132. <a name="l01100"></a>01100 switch_menu_item(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> updown)
    1133. 

  1133. <a name="l01101"></a>01101 {
    1134. 

  1134. <a name="l01102"></a>01102   <span class="keyword">register</span> <span class="keyword">struct </span><a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *m;
    1135. 

  1135. <a name="l01103"></a>01103 
    1136. 

  1136. <a name="l01104"></a>01104   m = menus.open;
    1137. 

  1137. <a name="l01105"></a>01105   
    1138. 

  1138. <a name="l01106"></a>01106   <span class="keywordflow">if</span>(updown == 0) {
    1139. 

  1139. <a name="l01107"></a>01107     <span class="comment">/* Move up */</span>
    1140. 

  1140. <a name="l01108"></a>01108     <span class="keywordflow">if</span>(m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a> == 0) {
    1141. 

  1141. <a name="l01109"></a>01109       m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a> = m-&gt;<a class="code" href="a00033.html#a1929cc70bb8d66ead25d37828d68bfc2" title="The total number of menu items in the menu.">nitems</a> - 1;
    1142. 

  1142. <a name="l01110"></a>01110     } <span class="keywordflow">else</span> {
    1143. 

  1143. <a name="l01111"></a>01111       --m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a>;
    1144. 

  1144. <a name="l01112"></a>01112       <span class="keywordflow">if</span>(m-&gt;<a class="code" href="a00033.html#a5e3c53417a3e30ca1a51dfcfb0929d1f" title="The array which contains all the menu items.">items</a>[m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a>].<a class="code" href="a00034.html#acc0d65695c7d769aa97fa96c7ec359de" title="The menu items text.">title</a>[0] == <span class="charliteral">&apos;-&apos;</span>) {
    1145. 

  1145. <a name="l01113"></a>01113         --m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a>;
    1146. 

  1146. <a name="l01114"></a>01114       }
    1147. 

  1147. <a name="l01115"></a>01115     }
    1148. 

  1148. <a name="l01116"></a>01116   } <span class="keywordflow">else</span> {
    1149. 

  1149. <a name="l01117"></a>01117     <span class="comment">/* Move down */</span>
    1150. 

  1150. <a name="l01118"></a>01118     <span class="keywordflow">if</span>(m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a> &gt;= m-&gt;<a class="code" href="a00033.html#a1929cc70bb8d66ead25d37828d68bfc2" title="The total number of menu items in the menu.">nitems</a> - 1) {
    1151. 

  1151. <a name="l01119"></a>01119       m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a> = 0;
    1152. 

  1152. <a name="l01120"></a>01120     } <span class="keywordflow">else</span> {
    1153. 

  1153. <a name="l01121"></a>01121       ++m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a>;
    1154. 

  1154. <a name="l01122"></a>01122       <span class="keywordflow">if</span>(m-&gt;<a class="code" href="a00033.html#a5e3c53417a3e30ca1a51dfcfb0929d1f" title="The array which contains all the menu items.">items</a>[m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a>].<a class="code" href="a00034.html#acc0d65695c7d769aa97fa96c7ec359de" title="The menu items text.">title</a>[0] == <span class="charliteral">&apos;-&apos;</span>) {
    1155. 

  1155. <a name="l01123"></a>01123         ++m-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a>;
    1156. 

  1156. <a name="l01124"></a>01124       }
    1157. 

  1157. <a name="l01125"></a>01125     }
    1158. 

  1158. <a name="l01126"></a>01126   }
    1159. 

  1159. <a name="l01127"></a>01127 }
    1160. 

  1160. <a name="l01128"></a>01128 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1161. 

  1161. <a name="l01129"></a>01129 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1162. 

  1162. <a name="l01130"></a>01130 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a00436.html#ab81105e5bb440a5f17579e7abf3415f5" title="Configure if the C compiler supports fastcall function declarations.">CC_FASTCALL</a>
    1163. 

  1163. <a name="l01131"></a>01131 activate(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *w)
    1164. 

  1164. <a name="l01132"></a>01132 {
    1165. 

  1165. <a name="l01133"></a>01133   <span class="keywordflow">if</span>(w-&gt;type == <a class="code" href="a00020.html#gae8adf9839c98a840b0b9b7c070422440" title="Widget number: The CTK button widget.">CTK_WIDGET_BUTTON</a>) {
    1166. 

  1166. <a name="l01134"></a>01134 <span class="preprocessor">#if CTK_CONF_WINDOWCLOSE</span>
    1167. 

  1167. <a name="l01135"></a>01135 <span class="preprocessor"></span>    <span class="keywordflow">if</span>(w == (<span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *)&amp;windows-&gt;closebutton) {
    1168. 

  1168. <a name="l01136"></a>01136       <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(w-&gt;window-&gt;owner, <a class="code" href="a01550.html#gab92e76646299dbab7216ab1f9dcef9e5" title="Emitted when a window is closed.">ctk_signal_window_close</a>, windows);
    1169. 

  1169. <a name="l01137"></a>01137       <a class="code" href="a01551.html#ga6c19434a7d375ada9e59646f0fce3223" title="Close a window if it is open.">ctk_window_close</a>(windows);
    1170. 

  1170. <a name="l01138"></a>01138       <span class="keywordflow">return</span> REDRAW_ALL;
    1171. 

  1171. <a name="l01139"></a>01139     } <span class="keywordflow">else</span>
    1172. 

  1172. <a name="l01140"></a>01140 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWCLOSE */</span>
    1173. 

  1173. <a name="l01141"></a>01141 <span class="preprocessor">#if CTK_CONF_WINDOWMOVE</span>
    1174. 

  1174. <a name="l01142"></a>01142 <span class="preprocessor"></span>    <span class="keywordflow">if</span>(w == (<span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *)&amp;windows-&gt;titlebutton) {
    1175. 

  1175. <a name="l01143"></a>01143       mode = CTK_MODE_WINDOWMOVE;
    1176. 

  1176. <a name="l01144"></a>01144       <span class="keywordflow">return</span> REDRAW_ALL;
    1177. 

  1177. <a name="l01145"></a>01145     } <span class="keywordflow">else</span>
    1178. 

  1178. <a name="l01146"></a>01146 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWMOVE */</span>
    1179. 

  1179. <a name="l01147"></a>01147     {
    1180. 

  1180. <a name="l01148"></a>01148       <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(w-&gt;window-&gt;owner, <a class="code" href="a01550.html#gaf2f104ce01e5e229f9eba8e2f367c591" title="Emitted when a widget is activated (pressed).">ctk_signal_widget_activate</a>, w);
    1181. 

  1181. <a name="l01149"></a>01149     }
    1182. 

  1182. <a name="l01150"></a>01150 <span class="preprocessor">#if CTK_CONF_ICONS</span>
    1183. 

  1183. <a name="l01151"></a>01151 <span class="preprocessor"></span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(w-&gt;type == <a class="code" href="a00020.html#ga392197354637697c585c8f6f618e5507" title="Widget number: The CTK icon widget.">CTK_WIDGET_ICON</a>) {
    1184. 

  1184. <a name="l01152"></a>01152     <span class="keywordflow">if</span>(w-&gt;widget.icon.owner != PROCESS_NONE) {
    1185. 

  1185. <a name="l01153"></a>01153       <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(w-&gt;widget.icon.owner, <a class="code" href="a01550.html#gaf2f104ce01e5e229f9eba8e2f367c591" title="Emitted when a widget is activated (pressed).">ctk_signal_widget_activate</a>, w);
    1186. 

  1186. <a name="l01154"></a>01154     } <span class="keywordflow">else</span> {
    1187. 

  1187. <a name="l01155"></a>01155       <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(w-&gt;window-&gt;owner, <a class="code" href="a01550.html#gaf2f104ce01e5e229f9eba8e2f367c591" title="Emitted when a widget is activated (pressed).">ctk_signal_widget_activate</a>, w);
    1188. 

  1188. <a name="l01156"></a>01156     }
    1189. 

  1189. <a name="l01157"></a>01157 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_ICONS */</span>
    1190. 

  1190. <a name="l01158"></a>01158   } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(w-&gt;type == <a class="code" href="a00020.html#gad35ef85bb5562d70cee05f97968dadbc" title="Widget number: The CTK hyperlink widget.">CTK_WIDGET_HYPERLINK</a>) {
    1191. 

  1191. <a name="l01159"></a>01159     <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(PROCESS_BROADCAST, <a class="code" href="a01550.html#gab927db233b2469345094ba7b9e1c769a" title="Emitted when a hyperlink is activated.">ctk_signal_hyperlink_activate</a>, w);
    1192. 

  1192. <a name="l01160"></a>01160   } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(w-&gt;type == <a class="code" href="a00020.html#ga4f9b2f0c9b72be56a1aa1abab7867c2c" title="Widget number: The CTK textentry widget.">CTK_WIDGET_TEXTENTRY</a>) {
    1193. 

  1193. <a name="l01161"></a>01161     <span class="keywordflow">if</span>(w-&gt;widget.textentry.state == CTK_TEXTENTRY_NORMAL) {
    1194. 

  1194. <a name="l01162"></a>01162       w-&gt;widget.textentry.state = CTK_TEXTENTRY_EDIT;
    1195. 

  1195. <a name="l01163"></a>01163       textentry_input(0, (<span class="keyword">struct</span> ctk_textentry *)w);
    1196. 

  1196. <a name="l01164"></a>01164     } <span class="keywordflow">else</span> {
    1197. 

  1197. <a name="l01165"></a>01165       w-&gt;widget.textentry.state = CTK_TEXTENTRY_NORMAL;
    1198. 

  1198. <a name="l01166"></a>01166       <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(w-&gt;window-&gt;owner, <a class="code" href="a01550.html#gaf2f104ce01e5e229f9eba8e2f367c591" title="Emitted when a widget is activated (pressed).">ctk_signal_widget_activate</a>, w);
    1199. 

  1199. <a name="l01167"></a>01167     }
    1200. 

  1200. <a name="l01168"></a>01168     add_redrawwidget(w);
    1201. 

  1201. <a name="l01169"></a>01169     <span class="keywordflow">return</span> REDRAW_WIDGETS;
    1202. 

  1202. <a name="l01170"></a>01170   } <span class="keywordflow">else</span> {
    1203. 

  1203. <a name="l01171"></a>01171     <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(w-&gt;window-&gt;owner, <a class="code" href="a01550.html#gaf2f104ce01e5e229f9eba8e2f367c591" title="Emitted when a widget is activated (pressed).">ctk_signal_widget_activate</a>, w);
    1204. 

  1204. <a name="l01172"></a>01172   }
    1205. 

  1205. <a name="l01173"></a>01173   <span class="keywordflow">return</span> REDRAW_NONE;
    1206. 

  1206. <a name="l01174"></a>01174 }
    1207. 

  1207. <a name="l01175"></a>01175 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1208. 

  1208. <a name="l01176"></a>01176 <span class="preprocessor">#ifdef SDCC</span>
    1209. 

  1209. <a name="l01177"></a>01177 <span class="preprocessor"></span><span class="comment">/* Dummy function that we define to keep sdcc happy - with sdcc,</span>
    1210. 

  1210. <a name="l01178"></a>01178 <span class="comment">   function pointers cannot be NULL. ctk_textentry_input is typedef&apos;d</span>
    1211. 

  1211. <a name="l01179"></a>01179 <span class="comment">   in ctk/ctk.h, hence the strange-looking function signature. */</span>
    1212. 

  1212. <a name="l01180"></a>01180 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>
    1213. 

  1213. <a name="l01181"></a>01181 ctk_textentry_input_null(<a class="code" href="a00020.html#gaa6eb41324497b3d828d208c0efa6fa90" title="The keyboard character type of the system.">ctk_arch_key_t</a> c, <span class="keyword">struct</span> ctk_textentry *t)
    1214. 

  1214. <a name="l01182"></a>01182 {
    1215. 

  1215. <a name="l01183"></a>01183   <span class="keywordflow">return</span> 0;
    1216. 

  1216. <a name="l01184"></a>01184 }
    1217. 

  1217. <a name="l01185"></a>01185 <span class="preprocessor">#endif </span><span class="comment">/* SDCC */</span>
    1218. 

  1218. <a name="l01186"></a>01186 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1219. 

  1219. <a name="l01187"></a>01187 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00436.html#ab81105e5bb440a5f17579e7abf3415f5" title="Configure if the C compiler supports fastcall function declarations.">CC_FASTCALL</a>
    1220. 

  1220. <a name="l01188"></a>01188 textentry_input(<a class="code" href="a00020.html#gaa6eb41324497b3d828d208c0efa6fa90" title="The keyboard character type of the system.">ctk_arch_key_t</a> c, <a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> ctk_textentry *t)
    1221. 

  1221. <a name="l01189"></a>01189 {
    1222. 

  1222. <a name="l01190"></a>01190   <span class="keyword">register</span> <span class="keywordtype">char</span> *cptr, *cptr2;
    1223. 

  1223. <a name="l01191"></a>01191   <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> len, txpos, typos, tlen;
    1224. 

  1224. <a name="l01192"></a>01192 
    1225. 

  1225. <a name="l01193"></a>01193   <span class="keywordflow">if</span>(t-&gt;input != NULL &amp;&amp; t-&gt;input(c, t)) {
    1226. 

  1226. <a name="l01194"></a>01194     <span class="keywordflow">return</span>;
    1227. 

  1227. <a name="l01195"></a>01195   }
    1228. 

  1228. <a name="l01196"></a>01196 
    1229. 

  1229. <a name="l01197"></a>01197   txpos = t-&gt;xpos;
    1230. 

  1230. <a name="l01198"></a>01198   typos = t-&gt;ypos;
    1231. 

  1231. <a name="l01199"></a>01199   tlen = t-&gt;len;
    1232. 

  1232. <a name="l01200"></a>01200 
    1233. 

  1233. <a name="l01201"></a>01201   cptr = &amp;t-&gt;text[txpos + typos * (tlen + 1)];
    1234. 

  1234. <a name="l01202"></a>01202       
    1235. 

  1235. <a name="l01203"></a>01203   <span class="keywordflow">switch</span>(c) {
    1236. 

  1236. <a name="l01204"></a>01204   <span class="keywordflow">case</span> CH_CURS_LEFT:
    1237. 

  1237. <a name="l01205"></a>01205     <span class="keywordflow">if</span>(txpos &gt; 0) {
    1238. 

  1238. <a name="l01206"></a>01206       --txpos;
    1239. 

  1239. <a name="l01207"></a>01207     }
    1240. 

  1240. <a name="l01208"></a>01208     <span class="keywordflow">break</span>;
    1241. 

  1241. <a name="l01209"></a>01209     
    1242. 

  1242. <a name="l01210"></a>01210   <span class="keywordflow">case</span> CH_CURS_RIGHT:
    1243. 

  1243. <a name="l01211"></a>01211     <span class="keywordflow">if</span>(txpos &lt; tlen - 1 &amp;&amp; *cptr != 0) {
    1244. 

  1244. <a name="l01212"></a>01212       ++txpos;
    1245. 

  1245. <a name="l01213"></a>01213     }
    1246. 

  1246. <a name="l01214"></a>01214     <span class="keywordflow">break</span>;
    1247. 

  1247. <a name="l01215"></a>01215 
    1248. 

  1248. <a name="l01216"></a>01216   <span class="keywordflow">case</span> CH_CURS_UP:
    1249. 

  1249. <a name="l01217"></a>01217     txpos = 0;
    1250. 

  1250. <a name="l01218"></a>01218     <span class="keywordflow">break</span>;
    1251. 

  1251. <a name="l01219"></a>01219     
    1252. 

  1252. <a name="l01220"></a>01220   <span class="keywordflow">case</span> 0:
    1253. 

  1253. <a name="l01221"></a>01221   <span class="keywordflow">case</span> CH_CURS_DOWN:
    1254. 

  1254. <a name="l01222"></a>01222     txpos = (<span class="keywordtype">unsigned</span> char)strlen(t-&gt;text);
    1255. 

  1255. <a name="l01223"></a>01223     <span class="keywordflow">if</span>(txpos == tlen) {
    1256. 

  1256. <a name="l01224"></a>01224       --txpos;
    1257. 

  1257. <a name="l01225"></a>01225     }
    1258. 

  1258. <a name="l01226"></a>01226     <span class="keywordflow">break</span>;
    1259. 

  1259. <a name="l01227"></a>01227     
    1260. 

  1260. <a name="l01228"></a>01228   <span class="keywordflow">case</span> CH_ENTER:
    1261. 

  1261. <a name="l01229"></a>01229     activate((<span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *)t);
    1262. 

  1262. <a name="l01230"></a>01230     switch_focus_widget(DOWN);
    1263. 

  1263. <a name="l01231"></a>01231     <span class="keywordflow">break</span>;
    1264. 

  1264. <a name="l01232"></a>01232     
    1265. 

  1265. <a name="l01233"></a>01233   <span class="keywordflow">case</span> CTK_CONF_WIDGETDOWN_KEY:
    1266. 

  1266. <a name="l01234"></a>01234     t-&gt;state = CTK_TEXTENTRY_NORMAL;
    1267. 

  1267. <a name="l01235"></a>01235     switch_focus_widget(DOWN);
    1268. 

  1268. <a name="l01236"></a>01236     <span class="keywordflow">break</span>;
    1269. 

  1269. <a name="l01237"></a>01237   <span class="keywordflow">case</span> CTK_CONF_WIDGETUP_KEY:
    1270. 

  1270. <a name="l01238"></a>01238     t-&gt;state = CTK_TEXTENTRY_NORMAL;
    1271. 

  1271. <a name="l01239"></a>01239     switch_focus_widget(UP);
    1272. 

  1272. <a name="l01240"></a>01240     <span class="keywordflow">break</span>;
    1273. 

  1273. <a name="l01241"></a>01241     
    1274. 

  1274. <a name="l01242"></a>01242   <span class="keywordflow">default</span>:
    1275. 

  1275. <a name="l01243"></a>01243     len = tlen - txpos;
    1276. 

  1276. <a name="l01244"></a>01244     <span class="keywordflow">if</span>(c == CH_DEL) {
    1277. 

  1277. <a name="l01245"></a>01245       <span class="keywordflow">if</span>(len == 1 &amp;&amp; *cptr != 0) {
    1278. 

  1278. <a name="l01246"></a>01246         *cptr = 0;
    1279. 

  1279. <a name="l01247"></a>01247       } <span class="keywordflow">else</span> {
    1280. 

  1280. <a name="l01248"></a>01248         <span class="keywordflow">if</span>(txpos &gt; 0) {
    1281. 

  1281. <a name="l01249"></a>01249           --txpos;
    1282. 

  1282. <a name="l01250"></a>01250           strcpy(cptr - 1, cptr);
    1283. 

  1283. <a name="l01251"></a>01251         }
    1284. 

  1284. <a name="l01252"></a>01252       }
    1285. 

  1285. <a name="l01253"></a>01253     } <span class="keywordflow">else</span> {
    1286. 

  1286. <a name="l01254"></a>01254       <span class="keywordflow">if</span>(ctk_arch_isprint(c)) {
    1287. 

  1287. <a name="l01255"></a>01255         <span class="keywordflow">if</span>(len &gt; 1) {
    1288. 

  1288. <a name="l01256"></a>01256           cptr2 = cptr + len - 1;
    1289. 

  1289. <a name="l01257"></a>01257           <span class="keywordflow">while</span>(cptr2 &gt; cptr) {
    1290. 

  1290. <a name="l01258"></a>01258             *cptr2 = *(cptr2 - 1);
    1291. 

  1291. <a name="l01259"></a>01259             --cptr2;
    1292. 

  1292. <a name="l01260"></a>01260           }
    1293. 

  1293. <a name="l01261"></a>01261           ++txpos;
    1294. 

  1294. <a name="l01262"></a>01262         }
    1295. 

  1295. <a name="l01263"></a>01263         *cptr = c;
    1296. 

  1296. <a name="l01264"></a>01264       }
    1297. 

  1297. <a name="l01265"></a>01265     }
    1298. 

  1298. <a name="l01266"></a>01266     <span class="keywordflow">break</span>;
    1299. 

  1299. <a name="l01267"></a>01267   }
    1300. 

  1300. <a name="l01268"></a>01268 
    1301. 

  1301. <a name="l01269"></a>01269   t-&gt;xpos = txpos;
    1302. 

  1302. <a name="l01270"></a>01270   t-&gt;ypos = typos;
    1303. 

  1303. <a name="l01271"></a>01271 }
    1304. 

  1304. <a name="l01272"></a>01272 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1305. 

  1305. <a name="l01273"></a>01273 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1306. 

  1306. <a name="l01274"></a>01274 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>
    1307. 

  1307. <a name="l01275"></a>01275 activate_menu(<span class="keywordtype">void</span>)
    1308. 

  1308. <a name="l01276"></a>01276 {
    1309. 

  1309. <a name="l01277"></a>01277   <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *w;
    1310. 

  1310. <a name="l01278"></a>01278   
    1311. 

  1311. <a name="l01279"></a>01279   lastmenu = menus.open;
    1312. 

  1312. <a name="l01280"></a>01280   <span class="keywordflow">if</span>(menus.open == &amp;desktopmenu) {
    1313. 

  1313. <a name="l01281"></a>01281     <span class="keywordflow">for</span>(w = windows; w != NULL; w = w-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>) {
    1314. 

  1314. <a name="l01282"></a>01282       <span class="keywordflow">if</span>(w-&gt;<a class="code" href="a00038.html#a88d87bdebfbac969714162a150325eb9" title="The title of the window.">title</a> == desktopmenu.items[desktopmenu.active].title) {
    1315. 

  1315. <a name="l01283"></a>01283         <a class="code" href="a01551.html#ga2e85117f2716017f1ceaa83af221740d" title="Open a window, or bring window to front if already open.">ctk_window_open</a>(w);
    1316. 

  1316. <a name="l01284"></a>01284         menus.open = NULL;
    1317. 

  1317. <a name="l01285"></a>01285         <span class="keywordflow">return</span> REDRAW_ALL;
    1318. 

  1318. <a name="l01286"></a>01286       }
    1319. 

  1319. <a name="l01287"></a>01287     }
    1320. 

  1320. <a name="l01288"></a>01288   } <span class="keywordflow">else</span> {
    1321. 

  1321. <a name="l01289"></a>01289     <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(PROCESS_BROADCAST, <a class="code" href="a01550.html#gaa56be046241082d23581812190f2bef5" title="Emitted when a menu item is activated.">ctk_signal_menu_activate</a>, menus.open);
    1322. 

  1322. <a name="l01290"></a>01290   }
    1323. 

  1323. <a name="l01291"></a>01291   menus.open = NULL;
    1324. 

  1324. <a name="l01292"></a>01292   <span class="keywordflow">return</span> REDRAW_MENUPART;
    1325. 

  1325. <a name="l01293"></a>01293 }
    1326. 

  1326. <a name="l01294"></a>01294 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1327. 

  1327. <a name="l01295"></a>01295 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>
    1328. 

  1328. <a name="l01296"></a>01296 menus_input(<a class="code" href="a00020.html#gaa6eb41324497b3d828d208c0efa6fa90" title="The keyboard character type of the system.">ctk_arch_key_t</a> c)
    1329. 

  1329. <a name="l01297"></a>01297 {
    1330. 

  1330. <a name="l01298"></a>01298   <span class="keywordflow">if</span>(menus.open-&gt;nitems &gt; maxnitems) {
    1331. 

  1331. <a name="l01299"></a>01299     maxnitems = menus.open-&gt;nitems;
    1332. 

  1332. <a name="l01300"></a>01300   }
    1333. 

  1333. <a name="l01301"></a>01301   
    1334. 

  1334. <a name="l01302"></a>01302   <span class="keywordflow">switch</span>(c) {
    1335. 

  1335. <a name="l01303"></a>01303   <span class="keywordflow">case</span> CH_CURS_RIGHT:
    1336. 

  1336. <a name="l01304"></a>01304     switch_open_menu(1);
    1337. 

  1337. <a name="l01305"></a>01305     <span class="keywordflow">return</span> REDRAW_MENUPART;
    1338. 

  1338. <a name="l01306"></a>01306 
    1339. 

  1339. <a name="l01307"></a>01307   <span class="keywordflow">case</span> CH_CURS_DOWN:
    1340. 

  1340. <a name="l01308"></a>01308     switch_menu_item(1);
    1341. 

  1341. <a name="l01309"></a>01309     <span class="keywordflow">return</span> REDRAW_MENUS;
    1342. 

  1342. <a name="l01310"></a>01310 
    1343. 

  1343. <a name="l01311"></a>01311   <span class="keywordflow">case</span> CH_CURS_LEFT:
    1344. 

  1344. <a name="l01312"></a>01312     switch_open_menu(0);
    1345. 

  1345. <a name="l01313"></a>01313     <span class="keywordflow">return</span> REDRAW_MENUPART;
    1346. 

  1346. <a name="l01314"></a>01314 
    1347. 

  1347. <a name="l01315"></a>01315   <span class="keywordflow">case</span> CH_CURS_UP:
    1348. 

  1348. <a name="l01316"></a>01316     switch_menu_item(0);
    1349. 

  1349. <a name="l01317"></a>01317     <span class="keywordflow">return</span> REDRAW_MENUS;
    1350. 

  1350. <a name="l01318"></a>01318     
    1351. 

  1351. <a name="l01319"></a>01319   <span class="keywordflow">case</span> CH_ENTER:
    1352. 

  1352. <a name="l01320"></a>01320     <span class="keywordflow">return</span> activate_menu();
    1353. 

  1353. <a name="l01321"></a>01321 
    1354. 

  1354. <a name="l01322"></a>01322   <span class="keywordflow">case</span> CTK_CONF_MENU_KEY:
    1355. 

  1355. <a name="l01323"></a>01323     lastmenu = menus.open;
    1356. 

  1356. <a name="l01324"></a>01324     menus.open = NULL;
    1357. 

  1357. <a name="l01325"></a>01325     <span class="keywordflow">return</span> REDRAW_MENUPART;
    1358. 

  1358. <a name="l01326"></a>01326   }
    1359. 

  1359. <a name="l01327"></a>01327 
    1360. 

  1360. <a name="l01328"></a>01328   <span class="keywordflow">return</span> REDRAW_NONE;
    1361. 

  1361. <a name="l01329"></a>01329 }
    1362. 

  1362. <a name="l01330"></a>01330 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1363. 

  1363. <a name="l01331"></a>01331 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1364. 

  1364. <a name="l01332"></a>01332 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    1365. 

  1365. <a name="l01333"></a>01333 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span>
    1366. 

  1366. <a name="l01334"></a>01334 handle_timer(<span class="keywordtype">void</span>)
    1367. 

  1367. <a name="l01335"></a>01335 {
    1368. 

  1368. <a name="l01336"></a>01336   <span class="keywordflow">if</span>(mode == CTK_MODE_NORMAL) {
    1369. 

  1369. <a name="l01337"></a>01337     ++screensaver_timer;
    1370. 

  1370. <a name="l01338"></a>01338     <span class="keywordflow">if</span>(screensaver_timer &gt;= ctk_screensaver_timeout) {
    1371. 

  1371. <a name="l01339"></a>01339       <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(PROCESS_BROADCAST, ctk_signal_screensaver_start, NULL);
    1372. 

  1372. <a name="l01340"></a>01340 <span class="preprocessor">#ifdef CTK_SCREENSAVER_INIT</span>
    1373. 

  1373. <a name="l01341"></a>01341 <span class="preprocessor"></span>      CTK_SCREENSAVER_INIT();
    1374. 

  1374. <a name="l01342"></a>01342 <span class="preprocessor">#endif </span><span class="comment">/* CTK_SCREENSAVER_INIT */</span>
    1375. 

  1375. <a name="l01343"></a>01343 
    1376. 

  1376. <a name="l01344"></a>01344       screensaver_timer = 0;
    1377. 

  1377. <a name="l01345"></a>01345     }
    1378. 

  1378. <a name="l01346"></a>01346   }
    1379. 

  1379. <a name="l01347"></a>01347 }
    1380. 

  1380. <a name="l01348"></a>01348 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    1381. 

  1381. <a name="l01349"></a>01349 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1382. 

  1382. <a name="l01350"></a>01350 <span class="keyword">static</span> <span class="keywordtype">void</span>
    1383. 

  1383. <a name="l01351"></a>01351 unfocus_widget(<a class="code" href="a00436.html#a556f2735307ab9c1272eae4e2f891012" title="Configure if the C compiler supports the &amp;quot;register&amp;quot; keyword for function...">CC_REGISTER_ARG</a> <span class="keyword">struct</span> <a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *w)
    1384. 

  1384. <a name="l01352"></a>01352 {
    1385. 

  1385. <a name="l01353"></a>01353   <span class="keywordflow">if</span>(w != NULL) {
    1386. 

  1386. <a name="l01354"></a>01354     redraw |= REDRAW_WIDGETS;
    1387. 

  1387. <a name="l01355"></a>01355     add_redrawwidget(w);
    1388. 

  1388. <a name="l01356"></a>01356     <span class="keywordflow">if</span>(<a class="code" href="a01551.html#ga411653541a02802275155855304bf942" title="Obtain the type of a widget.">CTK_WIDGET_TYPE</a>(w) == <a class="code" href="a00020.html#ga4f9b2f0c9b72be56a1aa1abab7867c2c" title="Widget number: The CTK textentry widget.">CTK_WIDGET_TEXTENTRY</a>) {
    1389. 

  1389. <a name="l01357"></a>01357       ((<span class="keyword">struct </span>ctk_textentry *)w)-&gt;state =
    1390. 

  1390. <a name="l01358"></a>01358         CTK_TEXTENTRY_NORMAL;
    1391. 

  1391. <a name="l01359"></a>01359     }
    1392. 

  1392. <a name="l01360"></a>01360     w-&gt;window-&gt;focused = NULL;
    1393. 

  1393. <a name="l01361"></a>01361   }
    1394. 

  1394. <a name="l01362"></a>01362 }
    1395. 

  1395. <a name="l01363"></a>01363 <span class="comment">/*---------------------------------------------------------------------------*/</span>
    1396. 

  1396. <a name="l01364"></a>01364 <a class="code" href="a01627.html#gaa4cff8e4f3abc50c74619a90ae347200" title="Define the body of a process.">PROCESS_THREAD</a>(ctk_process, ev, data)
    1397. 

  1397. <a name="l01365"></a>01365 {
    1398. 

  1398. <a name="l01366"></a>01366   <span class="keyword">static</span> <a class="code" href="a00020.html#gaa6eb41324497b3d828d208c0efa6fa90" title="The keyboard character type of the system.">ctk_arch_key_t</a> c;
    1399. 

  1399. <a name="l01367"></a>01367   <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
    1400. 

  1400. <a name="l01368"></a>01368 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1401. 

  1401. <a name="l01369"></a>01369 <span class="preprocessor"></span>  <span class="keyword">register</span> <span class="keyword">struct </span><a class="code" href="a00038.html" title="Representation of a CTK window.">ctk_window</a> *window;
    1402. 

  1402. <a name="l01370"></a>01370 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1403. 

  1403. <a name="l01371"></a>01371   <span class="keyword">register</span> <span class="keyword">struct </span><a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> *widget;
    1404. 

  1404. <a name="l01372"></a>01372   <span class="keyword">register</span> <span class="keyword">struct </span><a class="code" href="a00036.html" title="The generic CTK widget structure that contains all other widget structures.">ctk_widget</a> **widgetptr;
    1405. 

  1405. <a name="l01373"></a>01373 <span class="preprocessor">#if CTK_CONF_MOUSE_SUPPORT</span>
    1406. 

  1406. <a name="l01374"></a>01374 <span class="preprocessor"></span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> mxc, myc, mouse_button_changed, mouse_moved,
    1407. 

  1407. <a name="l01375"></a>01375     mouse_clicked;
    1408. 

  1408. <a name="l01376"></a>01376 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1409. 

  1409. <a name="l01377"></a>01377 <span class="preprocessor"></span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> menux;
    1410. 

  1410. <a name="l01378"></a>01378   <span class="keyword">register</span> <span class="keyword">struct </span><a class="code" href="a00033.html" title="Representation of an individual menu.">ctk_menu</a> *menu;
    1411. 

  1411. <a name="l01379"></a>01379 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1412. 

  1412. <a name="l01380"></a>01380 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    1413. 

  1413. <a name="l01381"></a>01381   
    1414. 

  1414. <a name="l01382"></a>01382   <a class="code" href="a01627.html#ga8efc62947f2ca2c870f52896e0dc1a81" title="Define the beginning of a process.">PROCESS_BEGIN</a>();
    1415. 

  1415. <a name="l01383"></a>01383   
    1416. 

  1416. <a name="l01384"></a>01384 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1417. 

  1417. <a name="l01385"></a>01385 <span class="preprocessor"></span>  <a class="code" href="a01551.html#ga7bd342f9787259933396efd7505c2a02" title="Creates a new menu.">ctk_menu_new</a>(&amp;desktopmenu, <span class="stringliteral">&quot;Desktop&quot;</span>);
    1418. 

  1418. <a name="l01386"></a>01386   make_desktopmenu();
    1419. 

  1419. <a name="l01387"></a>01387   menus.menus = menus.desktopmenu = &amp;desktopmenu;
    1420. 

  1420. <a name="l01388"></a>01388 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1421. 

  1421. <a name="l01389"></a>01389 
    1422. 

  1422. <a name="l01390"></a>01390 <span class="preprocessor">#if CTK_CONF_MOUSE_SUPPORT</span>
    1423. 

  1423. <a name="l01391"></a>01391 <span class="preprocessor"></span>  ctk_mouse_init();
    1424. 

  1424. <a name="l01392"></a>01392   ctk_mouse_show();
    1425. 

  1425. <a name="l01393"></a>01393 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    1426. 

  1426. <a name="l01394"></a>01394   
    1427. 

  1427. <a name="l01395"></a>01395   ctk_restore();
    1428. 

  1428. <a name="l01396"></a>01396 
    1429. 

  1429. <a name="l01397"></a>01397 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1430. 

  1430. <a name="l01398"></a>01398 <span class="preprocessor"></span>  desktop_window.owner = &amp;ctk_process;
    1431. 

  1431. <a name="l01399"></a>01399 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1432. 

  1432. <a name="l01400"></a>01400 
    1433. 

  1433. <a name="l01401"></a>01401   <a class="code" href="a01550.html#ga516fdcf33758900be278d0e448635b9d" title="Emitted for every key being pressed.">ctk_signal_keypress</a> = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1434. 

  1434. <a name="l01402"></a>01402   
    1435. 

  1435. <a name="l01403"></a>01403   <a class="code" href="a01550.html#ga73b4f7cc9f9fd72c23ea9b24b3492e01" title="Same as ctk_signal_widget_activate.">ctk_signal_button_activate</a> =
    1436. 

  1436. <a name="l01404"></a>01404     <a class="code" href="a01550.html#gaf2f104ce01e5e229f9eba8e2f367c591" title="Emitted when a widget is activated (pressed).">ctk_signal_widget_activate</a> = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1437. 

  1437. <a name="l01405"></a>01405   
    1438. 

  1438. <a name="l01406"></a>01406   <a class="code" href="a01550.html#ga18b0bcdb7d4ba13f8f692ffd8d54a690" title="Same as ctk_signal_widget_select.">ctk_signal_button_hover</a> =
    1439. 

  1439. <a name="l01407"></a>01407     <a class="code" href="a01550.html#ga9e08a17ead01c3ae4ac4e96b40cae885" title="Same as ctk_signal_widget_select.">ctk_signal_hyperlink_hover</a> =
    1440. 

  1440. <a name="l01408"></a>01408     <a class="code" href="a01550.html#ga84a8111d8df809f10e8ad81bc47edc3a" title="Emitted when a widget is selected.">ctk_signal_widget_select</a> = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1441. 

  1441. <a name="l01409"></a>01409   
    1442. 

  1442. <a name="l01410"></a>01410   <a class="code" href="a01550.html#gab927db233b2469345094ba7b9e1c769a" title="Emitted when a hyperlink is activated.">ctk_signal_hyperlink_activate</a> = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1443. 

  1443. <a name="l01411"></a>01411 
    1444. 

  1444. <a name="l01412"></a>01412   <a class="code" href="a01550.html#gaa56be046241082d23581812190f2bef5" title="Emitted when a menu item is activated.">ctk_signal_menu_activate</a> = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1445. 

  1445. <a name="l01413"></a>01413 
    1446. 

  1446. <a name="l01414"></a>01414   <a class="code" href="a01550.html#gab92e76646299dbab7216ab1f9dcef9e5" title="Emitted when a window is closed.">ctk_signal_window_close</a> = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1447. 

  1447. <a name="l01415"></a>01415 
    1448. 

  1448. <a name="l01416"></a>01416 <span class="preprocessor">#if CTK_CONF_MOUSE_SUPPORT</span>
    1449. 

  1449. <a name="l01417"></a>01417 <span class="preprocessor"></span>  ctk_signal_pointer_move = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1450. 

  1450. <a name="l01418"></a>01418   ctk_signal_pointer_button = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1451. 

  1451. <a name="l01419"></a>01419 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    1452. 

  1452. <a name="l01420"></a>01420 
    1453. 

  1453. <a name="l01421"></a>01421 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    1454. 

  1454. <a name="l01422"></a>01422 <span class="preprocessor"></span>  ctk_signal_screensaver_start = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1455. 

  1455. <a name="l01423"></a>01423   ctk_signal_screensaver_stop = <a class="code" href="a01627.html#ga24326129d48a7afaf618e3e01f75c086" title="Allocate a global event number.">process_alloc_event</a>();
    1456. 

  1456. <a name="l01424"></a>01424 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    1457. 

  1457. <a name="l01425"></a>01425 
    1458. 

  1458. <a name="l01426"></a>01426   mode = CTK_MODE_NORMAL;
    1459. 

  1459. <a name="l01427"></a>01427 
    1460. 

  1460. <a name="l01428"></a>01428 <span class="preprocessor">#if CTK_CONF_ICONS</span>
    1461. 

  1461. <a name="l01429"></a>01429 <span class="preprocessor"></span>  iconx = ICONX_START;
    1462. 

  1462. <a name="l01430"></a>01430   icony = ICONY_START;
    1463. 

  1463. <a name="l01431"></a>01431 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_ICONS */</span>
    1464. 

  1464. <a name="l01432"></a>01432 
    1465. 

  1465. <a name="l01433"></a>01433 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    1466. 

  1466. <a name="l01434"></a>01434 <span class="preprocessor"></span>  <a class="code" href="a01632.html#ga6614d96fdfcd95c95ec6e6f63071ff51" title="Set a timer.">timer_set</a>(&amp;<a class="code" href="a00086.html" title="A timer.">timer</a>, <a class="code" href="a01620.html#gae3ced0551b26c9b99cb45a86f34d100a" title="A second, measured in system clock time.">CLOCK_SECOND</a>);
    1467. 

  1467. <a name="l01435"></a>01435 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    1468. 

  1468. <a name="l01436"></a>01436   
    1469. 

  1469. <a name="l01437"></a>01437   <span class="keywordflow">while</span>(1) {
    1470. 

  1470. <a name="l01438"></a>01438     <a class="code" href="a01627.html#ga496ba132ce7a2ec12a8313dc05ab0142" title="Request a process to be polled.">process_poll</a>(&amp;ctk_process);
    1471. 

  1471. <a name="l01439"></a>01439     <a class="code" href="a01627.html#ga4f9c1d291e210793e8c4444762f748ba" title="Wait for an event to be posted to the process.">PROCESS_WAIT_EVENT</a>();
    1472. 

  1472. <a name="l01440"></a>01440     
    1473. 

  1473. <a name="l01441"></a>01441 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    1474. 

  1474. <a name="l01442"></a>01442 <span class="preprocessor"></span>    <span class="keywordflow">if</span>(<a class="code" href="a01632.html#ga6d71dececfce707c668e6257aad5906e" title="Check if a timer has expired.">timer_expired</a>(&amp;<a class="code" href="a00086.html" title="A timer.">timer</a>)) {
    1475. 

  1475. <a name="l01443"></a>01443       <a class="code" href="a01632.html#gaedaf3e48c2b04229b85455fb948468d6" title="Reset the timer with the same interval.">timer_reset</a>(&amp;<a class="code" href="a00086.html" title="A timer.">timer</a>);
    1476. 

  1476. <a name="l01444"></a>01444       handle_timer();
    1477. 

  1477. <a name="l01445"></a>01445     }
    1478. 

  1478. <a name="l01446"></a>01446 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    1479. 

  1479. <a name="l01447"></a>01447 
    1480. 

  1480. <a name="l01448"></a>01448 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1481. 

  1481. <a name="l01449"></a>01449 <span class="preprocessor"></span>    <span class="keywordflow">if</span>(menus.open != NULL) {
    1482. 

  1482. <a name="l01450"></a>01450       maxnitems = menus.open-&gt;nitems;
    1483. 

  1483. <a name="l01451"></a>01451     } <span class="keywordflow">else</span> {
    1484. 

  1484. <a name="l01452"></a>01452       maxnitems = 0;
    1485. 

  1485. <a name="l01453"></a>01453     }
    1486. 

  1486. <a name="l01454"></a>01454 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1487. 

  1487. <a name="l01455"></a>01455 
    1488. 

  1488. <a name="l01456"></a>01456 <span class="preprocessor">#if CTK_CONF_MOUSE_SUPPORT</span>
    1489. 

  1489. <a name="l01457"></a>01457 <span class="preprocessor"></span>    mouse_button_changed = mouse_moved = mouse_clicked = 0;
    1490. 

  1490. <a name="l01458"></a>01458 
    1491. 

  1491. <a name="l01459"></a>01459     <span class="comment">/* See if there is any change in the buttons. */</span>
    1492. 

  1492. <a name="l01460"></a>01460     <span class="keywordflow">if</span>(ctk_mouse_button() != mouse_button) {
    1493. 

  1493. <a name="l01461"></a>01461       mouse_button = ctk_mouse_button();
    1494. 

  1494. <a name="l01462"></a>01462       mouse_button_changed = 1;
    1495. 

  1495. <a name="l01463"></a>01463       <span class="keywordflow">if</span>(mouse_button == 0) {
    1496. 

  1496. <a name="l01464"></a>01464         mouse_clicked = 1;
    1497. 

  1497. <a name="l01465"></a>01465       }
    1498. 

  1498. <a name="l01466"></a>01466     }
    1499. 

  1499. <a name="l01467"></a>01467   
    1500. 

  1500. <a name="l01468"></a>01468     <span class="comment">/* Check if the mouse pointer has moved. */</span>
    1501. 

  1501. <a name="l01469"></a>01469     <span class="keywordflow">if</span>(ctk_mouse_x() != mouse_x ||
    1502. 

  1502. <a name="l01470"></a>01470        ctk_mouse_y() != mouse_y) {
    1503. 

  1503. <a name="l01471"></a>01471       mouse_x = ctk_mouse_x();
    1504. 

  1504. <a name="l01472"></a>01472       mouse_y = ctk_mouse_y();
    1505. 

  1505. <a name="l01473"></a>01473       mouse_moved = 1;
    1506. 

  1506. <a name="l01474"></a>01474     }
    1507. 

  1507. <a name="l01475"></a>01475 
    1508. 

  1508. <a name="l01476"></a>01476     mxc = ctk_mouse_xtoc(mouse_x);
    1509. 

  1509. <a name="l01477"></a>01477     myc = ctk_mouse_ytoc(mouse_y);
    1510. 

  1510. <a name="l01478"></a>01478 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    1511. 

  1511. <a name="l01479"></a>01479 
    1512. 

  1512. <a name="l01480"></a>01480 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    1513. 

  1513. <a name="l01481"></a>01481 <span class="preprocessor"></span>    <span class="keywordflow">if</span>(mode == CTK_MODE_SCREENSAVER) {
    1514. 

  1514. <a name="l01482"></a>01482       <span class="keywordflow">if</span>(<a class="code" href="a00020.html#ga54b6b0ef960adb9dd53af7c5b1af0968" title="Check if there is a keypress in the keyboard input queue.">ctk_arch_keyavail</a>()
    1515. 

  1515. <a name="l01483"></a>01483 #<span class="keywordflow">if</span> CTK_CONF_MOUSE_SUPPORT
    1516. 

  1516. <a name="l01484"></a>01484          || mouse_moved || mouse_button_changed
    1517. 

  1517. <a name="l01485"></a>01485 #endif <span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    1518. 

  1518. <a name="l01486"></a>01486          ) {
    1519. 

  1519. <a name="l01487"></a>01487         <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(PROCESS_BROADCAST, ctk_signal_screensaver_stop, NULL);
    1520. 

  1520. <a name="l01488"></a>01488         mode = CTK_MODE_NORMAL;
    1521. 

  1521. <a name="l01489"></a>01489       }
    1522. 

  1522. <a name="l01490"></a>01490     } <span class="keywordflow">else</span>
    1523. 

  1523. <a name="l01491"></a>01491 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    1524. 

  1524. <a name="l01492"></a>01492       <span class="keywordflow">if</span>(mode == CTK_MODE_NORMAL) {
    1525. 

  1525. <a name="l01493"></a>01493 <span class="preprocessor">#if CTK_CONF_MOUSE_SUPPORT</span>
    1526. 

  1526. <a name="l01494"></a>01494 <span class="preprocessor"></span>        <span class="comment">/* If there is any change in the mouse conditions, find out in</span>
    1527. 

  1527. <a name="l01495"></a>01495 <span class="comment">           which window the mouse pointer currently is in order to send</span>
    1528. 

  1528. <a name="l01496"></a>01496 <span class="comment">           the correct signals, or bring a window to focus. */</span>
    1529. 

  1529. <a name="l01497"></a>01497         <span class="keywordflow">if</span>(mouse_moved || mouse_button_changed) {
    1530. 

  1530. <a name="l01498"></a>01498           ctk_mouse_show();
    1531. 

  1531. <a name="l01499"></a>01499 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    1532. 

  1532. <a name="l01500"></a>01500 <span class="preprocessor"></span>          screensaver_timer = 0;
    1533. 

  1533. <a name="l01501"></a>01501 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    1534. 

  1534. <a name="l01502"></a>01502       
    1535. 

  1535. <a name="l01503"></a>01503 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1536. 

  1536. <a name="l01504"></a>01504 <span class="preprocessor"></span>          <span class="keywordflow">if</span>(myc == 0) {
    1537. 

  1537. <a name="l01505"></a>01505             <span class="comment">/* Here we should do whatever needs to be done when the mouse</span>
    1538. 

  1538. <a name="l01506"></a>01506 <span class="comment">               moves around and clicks in the menubar. */</span>
    1539. 

  1539. <a name="l01507"></a>01507             <span class="keywordflow">if</span>(mouse_clicked) {
    1540. 

  1540. <a name="l01508"></a>01508               <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a00033.html#afe750b5bc481a67c6e7f684dbaa7bfd8" title="The length of the title in characters.">titlelen</a>;
    1541. 

  1541. <a name="l01509"></a>01509           
    1542. 

  1542. <a name="l01510"></a>01510               <span class="comment">/* Find out which menu that the mouse pointer is in. Start</span>
    1543. 

  1543. <a name="l01511"></a>01511 <span class="comment">                 with the -&gt;next menu after the desktop menu. We assume</span>
    1544. 

  1544. <a name="l01512"></a>01512 <span class="comment">                 that the menus start one character from the left screen</span>
    1545. 

  1545. <a name="l01513"></a>01513 <span class="comment">                 side and that the desktop menu is farthest to the</span>
    1546. 

  1546. <a name="l01514"></a>01514 <span class="comment">                 right. */</span>
    1547. 

  1547. <a name="l01515"></a>01515               menux = 1;
    1548. 

  1548. <a name="l01516"></a>01516               <span class="keywordflow">for</span>(menu = menus.menus-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>;
    1549. 

  1549. <a name="l01517"></a>01517                   menu != NULL; menu = menu-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>) {
    1550. 

  1550. <a name="l01518"></a>01518                 titlelen = menu-&gt;<a class="code" href="a00033.html#afe750b5bc481a67c6e7f684dbaa7bfd8" title="The length of the title in characters.">titlelen</a>;
    1551. 

  1551. <a name="l01519"></a>01519                 <span class="keywordflow">if</span>(mxc &gt;= menux &amp;&amp; mxc &lt;= menux + titlelen) {
    1552. 

  1552. <a name="l01520"></a>01520                   <span class="keywordflow">break</span>;
    1553. 

  1553. <a name="l01521"></a>01521                 }
    1554. 

  1554. <a name="l01522"></a>01522                 menux += titlelen;
    1555. 

  1555. <a name="l01523"></a>01523               }
    1556. 

  1556. <a name="l01524"></a>01524           
    1557. 

  1557. <a name="l01525"></a>01525               <span class="comment">/* Also check desktop menu. */</span>
    1558. 

  1558. <a name="l01526"></a>01526               <span class="keywordflow">if</span>(mxc &gt;= width - 7 &amp;&amp;
    1559. 

  1559. <a name="l01527"></a>01527                  mxc &lt;= width - 1) {
    1560. 

  1560. <a name="l01528"></a>01528                 menu = &amp;desktopmenu;
    1561. 

  1561. <a name="l01529"></a>01529               }
    1562. 

  1562. <a name="l01530"></a>01530           
    1563. 

  1563. <a name="l01531"></a>01531               menus.open = menu;
    1564. 

  1564. <a name="l01532"></a>01532               redraw |= REDRAW_MENUPART;
    1565. 

  1565. <a name="l01533"></a>01533             }
    1566. 

  1566. <a name="l01534"></a>01534           } <span class="keywordflow">else</span> {
    1567. 

  1567. <a name="l01535"></a>01535             --myc;
    1568. 

  1568. <a name="l01536"></a>01536 
    1569. 

  1569. <a name="l01537"></a>01537             <span class="keywordflow">if</span>(menus.open != NULL) {
    1570. 

  1570. <a name="l01538"></a>01538               <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a00033.html#a1929cc70bb8d66ead25d37828d68bfc2" title="The total number of menu items in the menu.">nitems</a>;
    1571. 

  1571. <a name="l01539"></a>01539           
    1572. 

  1572. <a name="l01540"></a>01540               <span class="comment">/* Do whatever needs to be done when a menu is open. */</span>
    1573. 

  1573. <a name="l01541"></a>01541 
    1574. 

  1574. <a name="l01542"></a>01542               <span class="comment">/* First check if the mouse pointer is in the currently open</span>
    1575. 

  1575. <a name="l01543"></a>01543 <span class="comment">                 menu. */</span>
    1576. 

  1576. <a name="l01544"></a>01544               <span class="keywordflow">if</span>(menus.open == &amp;desktopmenu) {
    1577. 

  1577. <a name="l01545"></a>01545                 menux = width - CTK_CONF_MENUWIDTH;
    1578. 

  1578. <a name="l01546"></a>01546               } <span class="keywordflow">else</span> {
    1579. 

  1579. <a name="l01547"></a>01547                 menux = 1;
    1580. 

  1580. <a name="l01548"></a>01548                 <span class="keywordflow">for</span>(menu = menus.menus-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>; menu != menus.open;
    1581. 

  1581. <a name="l01549"></a>01549                     menu = menu-&gt;<a class="code" href="a00033.html#a3db782ac147f877ad858f963ce3a3f31" title="Apointer to the next menu, or is NULL if this is the last menu, and should be used...">next</a>) {
    1582. 

  1582. <a name="l01550"></a>01550                   menux += menu-&gt;<a class="code" href="a00033.html#afe750b5bc481a67c6e7f684dbaa7bfd8" title="The length of the title in characters.">titlelen</a>;
    1583. 

  1583. <a name="l01551"></a>01551                 }
    1584. 

  1584. <a name="l01552"></a>01552               }
    1585. 

  1585. <a name="l01553"></a>01553 
    1586. 

  1586. <a name="l01554"></a>01554               nitems = menus.open-&gt;nitems;
    1587. 

  1587. <a name="l01555"></a>01555               <span class="comment">/* Find out which of the menu items the mouse is pointing</span>
    1588. 

  1588. <a name="l01556"></a>01556 <span class="comment">                 to. */</span>
    1589. 

  1589. <a name="l01557"></a>01557               <span class="keywordflow">if</span>(mxc &gt;= menux &amp;&amp; mxc &lt;= menux + CTK_CONF_MENUWIDTH) {
    1590. 

  1590. <a name="l01558"></a>01558                 <span class="keywordflow">if</span>(myc &lt;= nitems) {
    1591. 

  1591. <a name="l01559"></a>01559                   menus.open-&gt;active = myc;
    1592. 

  1592. <a name="l01560"></a>01560                 } <span class="keywordflow">else</span> {
    1593. 

  1593. <a name="l01561"></a>01561                   menus.open-&gt;active = nitems - 1;
    1594. 

  1594. <a name="l01562"></a>01562                 }
    1595. 

  1595. <a name="l01563"></a>01563               }
    1596. 

  1596. <a name="l01564"></a>01564           
    1597. 

  1597. <a name="l01565"></a>01565               <span class="keywordflow">if</span>(mouse_clicked) {
    1598. 

  1598. <a name="l01566"></a>01566                 <span class="keywordflow">if</span>(mxc &gt;= menux &amp;&amp; mxc &lt;= menux + CTK_CONF_MENUWIDTH &amp;&amp;
    1599. 

  1599. <a name="l01567"></a>01567                    myc &lt;= nitems) {
    1600. 

  1600. <a name="l01568"></a>01568                   redraw |= activate_menu();
    1601. 

  1601. <a name="l01569"></a>01569                 } <span class="keywordflow">else</span> {
    1602. 

  1602. <a name="l01570"></a>01570                   lastmenu = menus.open;
    1603. 

  1603. <a name="l01571"></a>01571                   menus.open = NULL;
    1604. 

  1604. <a name="l01572"></a>01572                   redraw |= REDRAW_MENUPART;
    1605. 

  1605. <a name="l01573"></a>01573                 }
    1606. 

  1606. <a name="l01574"></a>01574               } <span class="keywordflow">else</span> {
    1607. 

  1607. <a name="l01575"></a>01575                 redraw |= REDRAW_MENUS;
    1608. 

  1608. <a name="l01576"></a>01576               }
    1609. 

  1609. <a name="l01577"></a>01577             } <span class="keywordflow">else</span> {
    1610. 

  1610. <a name="l01578"></a>01578 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1611. 

  1611. <a name="l01579"></a>01579 
    1612. 

  1612. <a name="l01580"></a>01580 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1613. 

  1613. <a name="l01581"></a>01581 <span class="preprocessor"></span>              <span class="comment">/* Walk through the windows from top to bottom to see in</span>
    1614. 

  1614. <a name="l01582"></a>01582 <span class="comment">                 which window the mouse pointer is. */</span>
    1615. 

  1615. <a name="l01583"></a>01583               <span class="keywordflow">if</span>(dialog != NULL) {
    1616. 

  1616. <a name="l01584"></a>01584                 window = dialog;
    1617. 

  1617. <a name="l01585"></a>01585               } <span class="keywordflow">else</span> {
    1618. 

  1618. <a name="l01586"></a>01586                 <span class="keywordflow">for</span>(window = windows; window != NULL;
    1619. 

  1619. <a name="l01587"></a>01587                     window = window-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>) {
    1620. 

  1620. <a name="l01588"></a>01588               
    1621. 

  1621. <a name="l01589"></a>01589                   <span class="comment">/* Check if the mouse is within the window. */</span>
    1622. 

  1622. <a name="l01590"></a>01590                   <span class="keywordflow">if</span>(mxc &gt;= window-&gt;x &amp;&amp;
    1623. 

  1623. <a name="l01591"></a>01591                      mxc &lt;= window-&gt;x + window-&gt;<a class="code" href="a00038.html#ae28cceb9e11fde55afc3abe1c29688b8" title="The width of the window, excluding window borders.">w</a> +
    1624. 

  1624. <a name="l01592"></a>01592                      2 * ctk_draw_windowborder_width &amp;&amp;
    1625. 

  1625. <a name="l01593"></a>01593                      myc &gt;= window-&gt;y &amp;&amp;
    1626. 

  1626. <a name="l01594"></a>01594                      myc &lt;= window-&gt;y + window-&gt;<a class="code" href="a00038.html#ae2d4a4d04e07beaf18e7581f42d317dc" title="The height of the window, excluding window borders.">h</a> +
    1627. 

  1627. <a name="l01595"></a>01595                      ctk_draw_windowtitle_height +
    1628. 

  1628. <a name="l01596"></a>01596                      ctk_draw_windowborder_height) {
    1629. 

  1629. <a name="l01597"></a>01597                     <span class="keywordflow">break</span>;
    1630. 

  1630. <a name="l01598"></a>01598                   }
    1631. 

  1631. <a name="l01599"></a>01599                 }
    1632. 

  1632. <a name="l01600"></a>01600               }
    1633. 

  1633. <a name="l01601"></a>01601 
    1634. 

  1634. <a name="l01602"></a>01602               <span class="comment">/* If we didn&apos;t find any window, and there are no windows</span>
    1635. 

  1635. <a name="l01603"></a>01603 <span class="comment">                 open, the mouse pointer will definately be within the</span>
    1636. 

  1636. <a name="l01604"></a>01604 <span class="comment">                 background desktop window. */</span>
    1637. 

  1637. <a name="l01605"></a>01605               <span class="keywordflow">if</span>(window == NULL) {
    1638. 

  1638. <a name="l01606"></a>01606                 window = &amp;desktop_window;
    1639. 

  1639. <a name="l01607"></a>01607               }
    1640. 

  1640. <a name="l01608"></a>01608 
    1641. 

  1641. <a name="l01609"></a>01609               <span class="comment">/* If the mouse pointer moves around outside of the</span>
    1642. 

  1642. <a name="l01610"></a>01610 <span class="comment">                 currently focused window (or dialog), we should not have</span>
    1643. 

  1643. <a name="l01611"></a>01611 <span class="comment">                 any focused widgets in the focused window so we make sure</span>
    1644. 

  1644. <a name="l01612"></a>01612 <span class="comment">                 that there are none. */</span>
    1645. 

  1645. <a name="l01613"></a>01613               <span class="keywordflow">if</span>(windows != NULL &amp;&amp;
    1646. 

  1646. <a name="l01614"></a>01614                  window != windows &amp;&amp;
    1647. 

  1647. <a name="l01615"></a>01615                  windows-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a> != NULL){
    1648. 

  1648. <a name="l01616"></a>01616                 unfocus_widget(windows-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>);
    1649. 

  1649. <a name="l01617"></a>01617               }
    1650. 

  1650. <a name="l01618"></a>01618 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1651. 

  1651. <a name="l01619"></a>01619 
    1652. 

  1652. <a name="l01620"></a>01620               <span class="keywordflow">if</span>(window != NULL) {
    1653. 

  1653. <a name="l01621"></a>01621 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1654. 

  1654. <a name="l01622"></a>01622 <span class="preprocessor"></span>                <span class="comment">/* If the mouse was clicked outside of the current window,</span>
    1655. 

  1655. <a name="l01623"></a>01623 <span class="comment">                   we bring the clicked window to front. */</span>
    1656. 

  1656. <a name="l01624"></a>01624                 <span class="keywordflow">if</span>(dialog == NULL &amp;&amp;
    1657. 

  1657. <a name="l01625"></a>01625                    window != &amp;desktop_window &amp;&amp;
    1658. 

  1658. <a name="l01626"></a>01626                    window != windows &amp;&amp;
    1659. 

  1659. <a name="l01627"></a>01627                    mouse_clicked) {
    1660. 

  1660. <a name="l01628"></a>01628                   <span class="comment">/* Bring window to front. */</span>
    1661. 

  1661. <a name="l01629"></a>01629                   <a class="code" href="a01551.html#ga2e85117f2716017f1ceaa83af221740d" title="Open a window, or bring window to front if already open.">ctk_window_open</a>(window);
    1662. 

  1662. <a name="l01630"></a>01630                   redraw |= REDRAW_ALL;
    1663. 

  1663. <a name="l01631"></a>01631                 } <span class="keywordflow">else</span> {
    1664. 

  1664. <a name="l01632"></a>01632 
    1665. 

  1665. <a name="l01633"></a>01633                   <span class="comment">/* Find out which widget currently is under the mouse</span>
    1666. 

  1666. <a name="l01634"></a>01634 <span class="comment">                     pointer and give it focus, unless it already has</span>
    1667. 

  1667. <a name="l01635"></a>01635 <span class="comment">                     focus. */</span>
    1668. 

  1668. <a name="l01636"></a>01636                   mxc = mxc - window-&gt;x - ctk_draw_windowborder_width;
    1669. 

  1669. <a name="l01637"></a>01637                   myc = myc - window-&gt;y - ctk_draw_windowtitle_height;
    1670. 

  1670. <a name="l01638"></a>01638 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1671. 

  1671. <a name="l01639"></a>01639             
    1672. 

  1672. <a name="l01640"></a>01640                   <span class="comment">/* See if the mouse pointer is on a widget. If so, it</span>
    1673. 

  1673. <a name="l01641"></a>01641 <span class="comment">                     should be selected and, if the button is clicked,</span>
    1674. 

  1674. <a name="l01642"></a>01642 <span class="comment">                     activated. */</span>
    1675. 

  1675. <a name="l01643"></a>01643                   <span class="keywordflow">for</span>(widget = window-&gt;<a class="code" href="a00038.html#ad5cf5ddb025397eb66da6753ce8492a4" title="The list of widgets that can be selected by the user.">active</a>; widget != NULL;
    1676. 

  1676. <a name="l01644"></a>01644                       widget = widget-&gt;<a class="code" href="a00036.html#a3621ec9de98f2b90ec42cb2833d88423" title="The next widget in the linked list of widgets that is contained in the ctk_window...">next</a>) {
    1677. 

  1677. <a name="l01645"></a>01645                 
    1678. 

  1678. <a name="l01646"></a>01646                     <span class="keywordflow">if</span>(mxc &gt;= widget-&gt;<a class="code" href="a00036.html#a58125a019e53600eae696dac334c6b82" title="The x position of the widget within the containing window, in character coordinates...">x</a> &amp;&amp;
    1679. 

  1679. <a name="l01647"></a>01647                        mxc &lt;= widget-&gt;x + widget-&gt;<a class="code" href="a00036.html#ad28eb196d37bba6a60b48f4c7e6eb45e" title="The width of the widget in character coordinates.">w</a> + 1 &amp;&amp;
    1680. 

  1680. <a name="l01648"></a>01648                        myc &gt;= widget-&gt;<a class="code" href="a00036.html#a64d6f0d7568e491e7f5cd0d38f40d1af" title="The y position of the widget within the containing window, in character coordinates...">y</a> &amp;&amp;
    1681. 

  1681. <a name="l01649"></a>01649                        myc &lt;= widget-&gt;y + widget-&gt;<a class="code" href="a00036.html#aceacf7e857117aff2c54a4c7c6441dac" title="The height of the widget in character coordinates.">h</a> - 1) {
    1682. 

  1682. <a name="l01650"></a>01650                       <span class="keywordflow">break</span>;
    1683. 

  1683. <a name="l01651"></a>01651                     }
    1684. 

  1684. <a name="l01652"></a>01652                   }
    1685. 

  1685. <a name="l01653"></a>01653             
    1686. 

  1686. <a name="l01654"></a>01654                   <span class="comment">/* if the mouse is moved in the focused window, we emit</span>
    1687. 

  1687. <a name="l01655"></a>01655 <span class="comment">                     a ctk_signal_pointer_move signal to the owner of the</span>
    1688. 

  1688. <a name="l01656"></a>01656 <span class="comment">                     window. */</span>
    1689. 

  1689. <a name="l01657"></a>01657                   <span class="keywordflow">if</span>(mouse_moved
    1690. 

  1690. <a name="l01658"></a>01658 #<span class="keywordflow">if</span> CTK_CONF_WINDOWS
    1691. 

  1691. <a name="l01659"></a>01659                      &amp;&amp; (window != &amp;desktop_window || windows == NULL)
    1692. 

  1692. <a name="l01660"></a>01660 #endif <span class="comment">/* CTK_CONF_WINDOWS */</span>
    1693. 

  1693. <a name="l01661"></a>01661                       ) {
    1694. 

  1694. <a name="l01662"></a>01662 
    1695. 

  1695. <a name="l01663"></a>01663                     <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(window-&gt;<a class="code" href="a00038.html#aa0a9f81cb95a7f999c2618ee2c19afe6" title="The process that owns the window.">owner</a>, ctk_signal_pointer_move, NULL);
    1696. 

  1696. <a name="l01664"></a>01664 
    1697. 

  1697. <a name="l01665"></a>01665                     <span class="comment">/* If there was a focused widget that is not below the</span>
    1698. 

  1698. <a name="l01666"></a>01666 <span class="comment">                       mouse pointer, we remove focus from the widget and</span>
    1699. 

  1699. <a name="l01667"></a>01667 <span class="comment">                       redraw it. */</span>
    1700. 

  1700. <a name="l01668"></a>01668                     <span class="keywordflow">if</span>(window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a> != NULL &amp;&amp;
    1701. 

  1701. <a name="l01669"></a>01669                        widget != window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>) {
    1702. 

  1702. <a name="l01670"></a>01670                       unfocus_widget(window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>);
    1703. 

  1703. <a name="l01671"></a>01671                     }
    1704. 

  1704. <a name="l01672"></a>01672                     redraw |= REDRAW_WIDGETS;
    1705. 

  1705. <a name="l01673"></a>01673                     <span class="keywordflow">if</span>(widget != NULL) {
    1706. 

  1706. <a name="l01674"></a>01674                       select_widget(widget);
    1707. 

  1707. <a name="l01675"></a>01675                     }
    1708. 

  1708. <a name="l01676"></a>01676                   }
    1709. 

  1709. <a name="l01677"></a>01677             
    1710. 

  1710. <a name="l01678"></a>01678                   <span class="keywordflow">if</span>(mouse_button_changed) {
    1711. 

  1711. <a name="l01679"></a>01679                     <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(window-&gt;<a class="code" href="a00038.html#aa0a9f81cb95a7f999c2618ee2c19afe6" title="The process that owns the window.">owner</a>, ctk_signal_pointer_button,
    1712. 

  1712. <a name="l01680"></a>01680                                  (process_data_t)(<span class="keywordtype">size_t</span>)mouse_button);
    1713. 

  1713. <a name="l01681"></a>01681                     <span class="keywordflow">if</span>(mouse_clicked &amp;&amp; widget != NULL) {
    1714. 

  1714. <a name="l01682"></a>01682                       select_widget(widget);
    1715. 

  1715. <a name="l01683"></a>01683                       redraw |= activate(widget);
    1716. 

  1716. <a name="l01684"></a>01684                     }
    1717. 

  1717. <a name="l01685"></a>01685                   }
    1718. 

  1718. <a name="l01686"></a>01686 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1719. 

  1719. <a name="l01687"></a>01687 <span class="preprocessor"></span>                }
    1720. 

  1720. <a name="l01688"></a>01688 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1721. 

  1721. <a name="l01689"></a>01689               }
    1722. 

  1722. <a name="l01690"></a>01690 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1723. 

  1723. <a name="l01691"></a>01691 <span class="preprocessor"></span>            }
    1724. 

  1724. <a name="l01692"></a>01692           }
    1725. 

  1725. <a name="l01693"></a>01693 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1726. 

  1726. <a name="l01694"></a>01694         }
    1727. 

  1727. <a name="l01695"></a>01695 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    1728. 

  1728. <a name="l01696"></a>01696     
    1729. 

  1729. <a name="l01697"></a>01697         <span class="keywordflow">while</span>(<a class="code" href="a00020.html#ga54b6b0ef960adb9dd53af7c5b1af0968" title="Check if there is a keypress in the keyboard input queue.">ctk_arch_keyavail</a>()) {
    1730. 

  1730. <a name="l01698"></a>01698 
    1731. 

  1731. <a name="l01699"></a>01699           ctk_mouse_hide();
    1732. 

  1732. <a name="l01700"></a>01700       
    1733. 

  1733. <a name="l01701"></a>01701 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    1734. 

  1734. <a name="l01702"></a>01702 <span class="preprocessor"></span>          screensaver_timer = 0;
    1735. 

  1735. <a name="l01703"></a>01703 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    1736. 

  1736. <a name="l01704"></a>01704       
    1737. 

  1737. <a name="l01705"></a>01705           c = <a class="code" href="a00020.html#gaba3ae4d2b9baa5953b47eeef61927398" title="Get a keypress from the keyboard input queue.">ctk_arch_getkey</a>();
    1738. 

  1738. <a name="l01706"></a>01706       
    1739. 

  1739. <a name="l01707"></a>01707 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1740. 

  1740. <a name="l01708"></a>01708 <span class="preprocessor"></span>          <span class="keywordflow">if</span>(dialog != NULL) {
    1741. 

  1741. <a name="l01709"></a>01709             window = dialog;
    1742. 

  1742. <a name="l01710"></a>01710           } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(windows != NULL) {
    1743. 

  1743. <a name="l01711"></a>01711             window = windows;
    1744. 

  1744. <a name="l01712"></a>01712           } <span class="keywordflow">else</span> {
    1745. 

  1745. <a name="l01713"></a>01713             window = &amp;desktop_window;
    1746. 

  1746. <a name="l01714"></a>01714           }
    1747. 

  1747. <a name="l01715"></a>01715 <span class="preprocessor">#else </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1748. 

  1748. <a name="l01716"></a>01716           <span class="keywordflow">if</span>(window == NULL) {
    1749. 

  1749. <a name="l01717"></a>01717             <span class="keywordflow">continue</span>;
    1750. 

  1750. <a name="l01718"></a>01718           }
    1751. 

  1751. <a name="l01719"></a>01719 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1752. 

  1752. <a name="l01720"></a>01720 
    1753. 

  1753. <a name="l01721"></a>01721           <span class="comment">/* Allow to exit the process owning the foreground window by</span>
    1754. 

  1754. <a name="l01722"></a>01722 <span class="comment">             pressing ctrl-c. This is especially useful if there&apos;s no</span>
    1755. 

  1755. <a name="l01723"></a>01723 <span class="comment">             closebutton on the window frames (or no windows at all).</span>
    1756. 

  1756. <a name="l01724"></a>01724 <span class="comment">          */</span>
    1757. 

  1757. <a name="l01725"></a>01725           <span class="keywordflow">if</span>(c == 3) {
    1758. 

  1758. <a name="l01726"></a>01726             <a class="code" href="a01627.html#gab9d3fbbf6273dd3f0da62887c4433d39" title="Post an asynchronous event.">process_post</a>(window-&gt;<a class="code" href="a00038.html#aa0a9f81cb95a7f999c2618ee2c19afe6" title="The process that owns the window.">owner</a>, PROCESS_EVENT_EXIT, NULL);
    1759. 

  1759. <a name="l01727"></a>01727           }
    1760. 

  1760. <a name="l01728"></a>01728 
    1761. 

  1761. <a name="l01729"></a>01729           widget = window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>;
    1762. 

  1762. <a name="l01730"></a>01730           
    1763. 

  1763. <a name="l01731"></a>01731           <span class="keywordflow">if</span>(widget != NULL &amp;&amp;
    1764. 

  1764. <a name="l01732"></a>01732              widget-&gt;<a class="code" href="a00036.html#a0313c4e5ca0a34104fc5514b6dd8d636" title="The type of the widget: CTK_WIDGET_SEPARATOR, CTK_WIDGET_LABEL, CTK_WIDGET_BUTTON...">type</a> == <a class="code" href="a00020.html#ga4f9b2f0c9b72be56a1aa1abab7867c2c" title="Widget number: The CTK textentry widget.">CTK_WIDGET_TEXTENTRY</a> &amp;&amp;
    1765. 

  1765. <a name="l01733"></a>01733              widget-&gt;<a class="code" href="a00036.html#afead36ab9579674197fdf985ccb82555" title="The union which contains the actual widget structure, as determined by the type field...">widget</a>.textentry.state == CTK_TEXTENTRY_EDIT) {
    1766. 

  1766. <a name="l01734"></a>01734             textentry_input(c, (<span class="keyword">struct</span> ctk_textentry *)widget);
    1767. 

  1767. <a name="l01735"></a>01735             add_redrawwidget(widget);
    1768. 

  1768. <a name="l01736"></a>01736 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1769. 

  1769. <a name="l01737"></a>01737 <span class="preprocessor"></span>          } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(menus.open != NULL) {
    1770. 

  1770. <a name="l01738"></a>01738             redraw |= menus_input(c);
    1771. 

  1771. <a name="l01739"></a>01739 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1772. 

  1772. <a name="l01740"></a>01740           } <span class="keywordflow">else</span> {
    1773. 

  1773. <a name="l01741"></a>01741             <span class="keywordflow">switch</span>(c) {
    1774. 

  1774. <a name="l01742"></a>01742             <span class="keywordflow">case</span> CTK_CONF_WIDGETDOWN_KEY:
    1775. 

  1775. <a name="l01743"></a>01743               switch_focus_widget(DOWN);
    1776. 

  1776. <a name="l01744"></a>01744               <span class="keywordflow">break</span>;
    1777. 

  1777. <a name="l01745"></a>01745             <span class="keywordflow">case</span> CTK_CONF_WIDGETUP_KEY:
    1778. 

  1778. <a name="l01746"></a>01746               switch_focus_widget(UP);
    1779. 

  1779. <a name="l01747"></a>01747               <span class="keywordflow">break</span>;
    1780. 

  1780. <a name="l01748"></a>01748 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1781. 

  1781. <a name="l01749"></a>01749 <span class="preprocessor"></span>            <span class="keywordflow">case</span> CTK_CONF_MENU_KEY:
    1782. 

  1782. <a name="l01750"></a>01750               <span class="keywordflow">if</span>(dialog == NULL) {
    1783. 

  1783. <a name="l01751"></a>01751                 <span class="keywordflow">if</span>(lastmenu == NULL) {
    1784. 

  1784. <a name="l01752"></a>01752                   menus.open = menus.menus;
    1785. 

  1785. <a name="l01753"></a>01753                 } <span class="keywordflow">else</span> {
    1786. 

  1786. <a name="l01754"></a>01754                   menus.open = lastmenu;
    1787. 

  1787. <a name="l01755"></a>01755                 }
    1788. 

  1788. <a name="l01756"></a>01756                 menus.open-&gt;<a class="code" href="a00033.html#a4a97e6108145907fe4b83fd8f5862df5" title="The currently active menu item.">active</a> = 0;
    1789. 

  1789. <a name="l01757"></a>01757                 redraw |= REDRAW_MENUS;
    1790. 

  1790. <a name="l01758"></a>01758               }
    1791. 

  1791. <a name="l01759"></a>01759               <span class="keywordflow">break</span>;
    1792. 

  1792. <a name="l01760"></a>01760 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1793. 

  1793. <a name="l01761"></a>01761 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1794. 

  1794. <a name="l01762"></a>01762 <span class="preprocessor"></span>            <span class="keywordflow">case</span> CTK_CONF_WINDOWSWITCH_KEY:
    1795. 

  1795. <a name="l01763"></a>01763               <span class="keywordflow">if</span>(windows != NULL) {
    1796. 

  1796. <a name="l01764"></a>01764                 <span class="keywordflow">for</span>(window = windows; window-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a> != NULL;
    1797. 

  1797. <a name="l01765"></a>01765                     window = window-&gt;<a class="code" href="a00038.html#a92e81d0f1ffd6a52ce0fa29caedaca3c" title="The next window in the doubly linked list of open windows.">next</a>);
    1798. 

  1798. <a name="l01766"></a>01766                 <a class="code" href="a01551.html#ga2e85117f2716017f1ceaa83af221740d" title="Open a window, or bring window to front if already open.">ctk_window_open</a>(window);
    1799. 

  1799. <a name="l01767"></a>01767               }
    1800. 

  1800. <a name="l01768"></a>01768               <span class="keywordflow">break</span>;
    1801. 

  1801. <a name="l01769"></a>01769 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1802. 

  1802. <a name="l01770"></a>01770             <span class="keywordflow">default</span>:
    1803. 

  1803. <a name="l01771"></a>01771 
    1804. 

  1804. <a name="l01772"></a>01772               <span class="keywordflow">if</span>(c == CH_ENTER &amp;&amp;
    1805. 

  1805. <a name="l01773"></a>01773                  widget != NULL) {
    1806. 

  1806. <a name="l01774"></a>01774                 redraw |= activate(widget);
    1807. 

  1807. <a name="l01775"></a>01775               } <span class="keywordflow">else</span> {
    1808. 

  1808. <a name="l01776"></a>01776                 <span class="keywordflow">if</span>(widget != NULL &amp;&amp;
    1809. 

  1809. <a name="l01777"></a>01777                    widget-&gt;<a class="code" href="a00036.html#a0313c4e5ca0a34104fc5514b6dd8d636" title="The type of the widget: CTK_WIDGET_SEPARATOR, CTK_WIDGET_LABEL, CTK_WIDGET_BUTTON...">type</a> == <a class="code" href="a00020.html#ga4f9b2f0c9b72be56a1aa1abab7867c2c" title="Widget number: The CTK textentry widget.">CTK_WIDGET_TEXTENTRY</a>) {
    1810. 

  1810. <a name="l01778"></a>01778                   <span class="keywordflow">if</span>(widget-&gt;<a class="code" href="a00036.html#afead36ab9579674197fdf985ccb82555" title="The union which contains the actual widget structure, as determined by the type field...">widget</a>.textentry.state == CTK_TEXTENTRY_NORMAL) {
    1811. 

  1811. <a name="l01779"></a>01779                     widget-&gt;<a class="code" href="a00036.html#afead36ab9579674197fdf985ccb82555" title="The union which contains the actual widget structure, as determined by the type field...">widget</a>.textentry.state = CTK_TEXTENTRY_EDIT;
    1812. 

  1812. <a name="l01780"></a>01780                     textentry_input(0, (<span class="keyword">struct</span> ctk_textentry *)widget);
    1813. 

  1813. <a name="l01781"></a>01781                   }
    1814. 

  1814. <a name="l01782"></a>01782                   textentry_input(c, (<span class="keyword">struct</span> ctk_textentry *)widget);
    1815. 

  1815. <a name="l01783"></a>01783                   add_redrawwidget(widget);
    1816. 

  1816. <a name="l01784"></a>01784                 } <span class="keywordflow">else</span> {
    1817. 

  1817. <a name="l01785"></a>01785                   unfocus_widget(window-&gt;<a class="code" href="a00038.html#aace937271af9c37837634f8dedcb0cf1" title="A pointer to the widget on the active list that is currently selected, or NULL if...">focused</a>);
    1818. 

  1818. <a name="l01786"></a>01786                   <a class="code" href="a01627.html#gad1da12f2bea53930eee9aa95ede68855" title="Post a synchronous event to a process.">process_post_synch</a>(window-&gt;<a class="code" href="a00038.html#aa0a9f81cb95a7f999c2618ee2c19afe6" title="The process that owns the window.">owner</a>, <a class="code" href="a01550.html#ga516fdcf33758900be278d0e448635b9d" title="Emitted for every key being pressed.">ctk_signal_keypress</a>,
    1819. 

  1819. <a name="l01787"></a>01787                                      (process_data_t)(<span class="keywordtype">size_t</span>)c);
    1820. 

  1820. <a name="l01788"></a>01788                 }
    1821. 

  1821. <a name="l01789"></a>01789               }
    1822. 

  1822. <a name="l01790"></a>01790               <span class="keywordflow">break</span>;
    1823. 

  1823. <a name="l01791"></a>01791             }
    1824. 

  1824. <a name="l01792"></a>01792           }
    1825. 

  1825. <a name="l01793"></a>01793 
    1826. 

  1826. <a name="l01794"></a>01794 <span class="preprocessor">#if 0</span>
    1827. 

  1827. <a name="l01795"></a>01795 <span class="preprocessor"></span>          <span class="keywordflow">if</span>(redraw &amp; REDRAW_WIDGETS) {
    1828. 

  1828. <a name="l01796"></a>01796             widgetptr = redraw_widgets;
    1829. 

  1829. <a name="l01797"></a>01797             <span class="keywordflow">for</span>(i = 0; i &lt; MAX_REDRAWWIDGETS; ++i) {
    1830. 

  1830. <a name="l01798"></a>01798               widget_redraw(*widgetptr);
    1831. 

  1831. <a name="l01799"></a>01799               *widgetptr = NULL;
    1832. 

  1832. <a name="l01800"></a>01800               ++widgetptr;
    1833. 

  1833. <a name="l01801"></a>01801             }
    1834. 

  1834. <a name="l01802"></a>01802             redraw &amp;= ~REDRAW_WIDGETS;
    1835. 

  1835. <a name="l01803"></a>01803             redraw_widgetptr = 0;
    1836. 

  1836. <a name="l01804"></a>01804           }
    1837. 

  1837. <a name="l01805"></a>01805 <span class="preprocessor">#endif </span><span class="comment">/* 0 */</span>
    1838. 

  1838. <a name="l01806"></a>01806         }
    1839. 

  1839. <a name="l01807"></a>01807 <span class="preprocessor">#if CTK_CONF_WINDOWMOVE</span>
    1840. 

  1840. <a name="l01808"></a>01808 <span class="preprocessor"></span>      } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(mode == CTK_MODE_WINDOWMOVE) {
    1841. 

  1841. <a name="l01809"></a>01809 
    1842. 

  1842. <a name="l01810"></a>01810         redraw = 0;
    1843. 

  1843. <a name="l01811"></a>01811 
    1844. 

  1844. <a name="l01812"></a>01812         window = windows;
    1845. 

  1845. <a name="l01813"></a>01813 
    1846. 

  1846. <a name="l01814"></a>01814 <span class="preprocessor">#if CTK_CONF_MOUSE_SUPPORT</span>
    1847. 

  1847. <a name="l01815"></a>01815 <span class="preprocessor"></span>
    1848. 

  1848. <a name="l01816"></a>01816         <span class="comment">/* If the mouse has moved, we move the window as well. */</span>
    1849. 

  1849. <a name="l01817"></a>01817         <span class="keywordflow">if</span>(mouse_moved) {
    1850. 

  1850. <a name="l01818"></a>01818 
    1851. 

  1851. <a name="l01819"></a>01819           <span class="keywordflow">if</span>(window-&gt;<a class="code" href="a00038.html#ae28cceb9e11fde55afc3abe1c29688b8" title="The width of the window, excluding window borders.">w</a> + mxc + 2 &gt;= width) {
    1852. 

  1852. <a name="l01820"></a>01820             window-&gt;x = width - 2 - window-&gt;<a class="code" href="a00038.html#ae28cceb9e11fde55afc3abe1c29688b8" title="The width of the window, excluding window borders.">w</a>;
    1853. 

  1853. <a name="l01821"></a>01821           } <span class="keywordflow">else</span> {
    1854. 

  1854. <a name="l01822"></a>01822             window-&gt;x = mxc;
    1855. 

  1855. <a name="l01823"></a>01823           }
    1856. 

  1856. <a name="l01824"></a>01824 
    1857. 

  1857. <a name="l01825"></a>01825           <span class="keywordflow">if</span>(window-&gt;<a class="code" href="a00038.html#ae2d4a4d04e07beaf18e7581f42d317dc" title="The height of the window, excluding window borders.">h</a> + myc + ctk_draw_windowtitle_height +
    1858. 

  1858. <a name="l01826"></a>01826              ctk_draw_windowborder_height &gt;= height) {
    1859. 

  1859. <a name="l01827"></a>01827             window-&gt;y = height - window-&gt;<a class="code" href="a00038.html#ae2d4a4d04e07beaf18e7581f42d317dc" title="The height of the window, excluding window borders.">h</a> -
    1860. 

  1860. <a name="l01828"></a>01828               ctk_draw_windowtitle_height - ctk_draw_windowborder_height;
    1861. 

  1861. <a name="l01829"></a>01829           } <span class="keywordflow">else</span> {
    1862. 

  1862. <a name="l01830"></a>01830             window-&gt;y = myc;
    1863. 

  1863. <a name="l01831"></a>01831           }
    1864. 

  1864. <a name="l01832"></a>01832 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1865. 

  1865. <a name="l01833"></a>01833 <span class="preprocessor"></span>          <span class="keywordflow">if</span>(window-&gt;y &gt; 0) {
    1866. 

  1866. <a name="l01834"></a>01834             --window-&gt;y;
    1867. 

  1867. <a name="l01835"></a>01835           }
    1868. 

  1868. <a name="l01836"></a>01836 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1869. 

  1869. <a name="l01837"></a>01837 
    1870. 

  1870. <a name="l01838"></a>01838           redraw = REDRAW_ALL;
    1871. 

  1871. <a name="l01839"></a>01839         }
    1872. 

  1872. <a name="l01840"></a>01840     
    1873. 

  1873. <a name="l01841"></a>01841         <span class="comment">/* Check if the mouse has been clicked, and stop moving the window</span>
    1874. 

  1874. <a name="l01842"></a>01842 <span class="comment">           if so. */</span>
    1875. 

  1875. <a name="l01843"></a>01843         <span class="keywordflow">if</span>(mouse_button_changed &amp;&amp;
    1876. 

  1876. <a name="l01844"></a>01844            mouse_button == 0) {
    1877. 

  1877. <a name="l01845"></a>01845           mode = CTK_MODE_NORMAL;
    1878. 

  1878. <a name="l01846"></a>01846           redraw = REDRAW_ALL;
    1879. 

  1879. <a name="l01847"></a>01847         }
    1880. 

  1880. <a name="l01848"></a>01848 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MOUSE_SUPPORT */</span>
    1881. 

  1881. <a name="l01849"></a>01849     
    1882. 

  1882. <a name="l01850"></a>01850         <span class="keywordflow">while</span>(mode == CTK_MODE_WINDOWMOVE &amp;&amp; <a class="code" href="a00020.html#ga54b6b0ef960adb9dd53af7c5b1af0968" title="Check if there is a keypress in the keyboard input queue.">ctk_arch_keyavail</a>()) {
    1883. 

  1883. <a name="l01851"></a>01851     
    1884. 

  1884. <a name="l01852"></a>01852 <span class="preprocessor">#if CTK_CONF_SCREENSAVER</span>
    1885. 

  1885. <a name="l01853"></a>01853 <span class="preprocessor"></span>          screensaver_timer = 0;
    1886. 

  1886. <a name="l01854"></a>01854 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_SCREENSAVER */</span>
    1887. 

  1887. <a name="l01855"></a>01855       
    1888. 

  1888. <a name="l01856"></a>01856           c = <a class="code" href="a00020.html#gaba3ae4d2b9baa5953b47eeef61927398" title="Get a keypress from the keyboard input queue.">ctk_arch_getkey</a>();
    1889. 

  1889. <a name="l01857"></a>01857       
    1890. 

  1890. <a name="l01858"></a>01858           <span class="keywordflow">switch</span>(c) {
    1891. 

  1891. <a name="l01859"></a>01859           <span class="keywordflow">case</span> CH_CURS_RIGHT:
    1892. 

  1892. <a name="l01860"></a>01860             ++window-&gt;x;
    1893. 

  1893. <a name="l01861"></a>01861             <span class="keywordflow">if</span>(window-&gt;x + window-&gt;<a class="code" href="a00038.html#ae28cceb9e11fde55afc3abe1c29688b8" title="The width of the window, excluding window borders.">w</a> + 1 &gt;= width) {
    1894. 

  1894. <a name="l01862"></a>01862               --window-&gt;x;
    1895. 

  1895. <a name="l01863"></a>01863             }
    1896. 

  1896. <a name="l01864"></a>01864             redraw = REDRAW_ALL;
    1897. 

  1897. <a name="l01865"></a>01865             <span class="keywordflow">break</span>;
    1898. 

  1898. <a name="l01866"></a>01866           <span class="keywordflow">case</span> CH_CURS_LEFT:
    1899. 

  1899. <a name="l01867"></a>01867             <span class="keywordflow">if</span>(window-&gt;x &gt; 0) {
    1900. 

  1900. <a name="l01868"></a>01868               --window-&gt;x;
    1901. 

  1901. <a name="l01869"></a>01869             }
    1902. 

  1902. <a name="l01870"></a>01870             redraw = REDRAW_ALL;
    1903. 

  1903. <a name="l01871"></a>01871             <span class="keywordflow">break</span>;
    1904. 

  1904. <a name="l01872"></a>01872           <span class="keywordflow">case</span> CH_CURS_DOWN:
    1905. 

  1905. <a name="l01873"></a>01873             ++window-&gt;y;
    1906. 

  1906. <a name="l01874"></a>01874             <span class="keywordflow">if</span>(window-&gt;y + window-&gt;<a class="code" href="a00038.html#ae2d4a4d04e07beaf18e7581f42d317dc" title="The height of the window, excluding window borders.">h</a> + 1 + CTK_CONF_MENUS &gt;= height) {
    1907. 

  1907. <a name="l01875"></a>01875               --window-&gt;y;
    1908. 

  1908. <a name="l01876"></a>01876             }
    1909. 

  1909. <a name="l01877"></a>01877             redraw = REDRAW_ALL;
    1910. 

  1910. <a name="l01878"></a>01878             <span class="keywordflow">break</span>;
    1911. 

  1911. <a name="l01879"></a>01879           <span class="keywordflow">case</span> CH_CURS_UP:
    1912. 

  1912. <a name="l01880"></a>01880             <span class="keywordflow">if</span>(window-&gt;y &gt; 0) {
    1913. 

  1913. <a name="l01881"></a>01881               --window-&gt;y;
    1914. 

  1914. <a name="l01882"></a>01882             }
    1915. 

  1915. <a name="l01883"></a>01883             redraw = REDRAW_ALL;
    1916. 

  1916. <a name="l01884"></a>01884             <span class="keywordflow">break</span>;
    1917. 

  1917. <a name="l01885"></a>01885           <span class="keywordflow">default</span>:
    1918. 

  1918. <a name="l01886"></a>01886             mode = CTK_MODE_NORMAL;
    1919. 

  1919. <a name="l01887"></a>01887             redraw = REDRAW_ALL;
    1920. 

  1920. <a name="l01888"></a>01888             <span class="keywordflow">break</span>;
    1921. 

  1921. <a name="l01889"></a>01889           }
    1922. 

  1922. <a name="l01890"></a>01890         }
    1923. 

  1923. <a name="l01891"></a>01891 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWMOVE */</span>
    1924. 

  1924. <a name="l01892"></a>01892       }
    1925. 

  1925. <a name="l01893"></a>01893 
    1926. 

  1926. <a name="l01894"></a>01894     <span class="keywordflow">if</span>(redraw &amp; REDRAW_ALL) {
    1927. 

  1927. <a name="l01895"></a>01895       do_redraw_all(CTK_CONF_MENUS, height);
    1928. 

  1928. <a name="l01896"></a>01896 <span class="preprocessor">#if CTK_CONF_MENUS</span>
    1929. 

  1929. <a name="l01897"></a>01897 <span class="preprocessor"></span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(redraw &amp; REDRAW_MENUPART) {
    1930. 

  1930. <a name="l01898"></a>01898       do_redraw_all(CTK_CONF_MENUS, maxnitems + 1);
    1931. 

  1931. <a name="l01899"></a>01899     } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(redraw &amp; REDRAW_MENUS) {
    1932. 

  1932. <a name="l01900"></a>01900       <a class="code" href="a00020.html#gaa91a72c85f1c0a96ef85661b3b655067" title="Draw the menus on the virtual VNC desktop.">ctk_draw_menus</a>(&amp;menus);
    1933. 

  1933. <a name="l01901"></a>01901 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_MENUS */</span>
    1934. 

  1934. <a name="l01902"></a>01902     } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(redraw &amp; REDRAW_FOCUS) {
    1935. 

  1935. <a name="l01903"></a>01903 <span class="preprocessor">#if CTK_CONF_WINDOWS</span>
    1936. 

  1936. <a name="l01904"></a>01904 <span class="preprocessor"></span>      <span class="keywordflow">if</span>(dialog != NULL) {
    1937. 

  1937. <a name="l01905"></a>01905         <a class="code" href="a01551.html#gad1e0db0ea03dfb71ecc1f7a4f0d75674" title="Redraw a window.">ctk_window_redraw</a>(dialog);
    1938. 

  1938. <a name="l01906"></a>01906       } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(windows != NULL) {
    1939. 

  1939. <a name="l01907"></a>01907         <a class="code" href="a01551.html#gad1e0db0ea03dfb71ecc1f7a4f0d75674" title="Redraw a window.">ctk_window_redraw</a>(windows);
    1940. 

  1940. <a name="l01908"></a>01908       } <span class="keywordflow">else</span> {
    1941. 

  1941. <a name="l01909"></a>01909         <a class="code" href="a01551.html#gad1e0db0ea03dfb71ecc1f7a4f0d75674" title="Redraw a window.">ctk_window_redraw</a>(&amp;desktop_window);
    1942. 

  1942. <a name="l01910"></a>01910       }
    1943. 

  1943. <a name="l01911"></a>01911 <span class="preprocessor">#else </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1944. 

  1944. <a name="l01912"></a>01912       <span class="keywordflow">if</span>(window != NULL) {
    1945. 

  1945. <a name="l01913"></a>01913         <a class="code" href="a01551.html#gad1e0db0ea03dfb71ecc1f7a4f0d75674" title="Redraw a window.">ctk_window_redraw</a>(window);
    1946. 

  1946. <a name="l01914"></a>01914       }
    1947. 

  1947. <a name="l01915"></a>01915 <span class="preprocessor">#endif </span><span class="comment">/* CTK_CONF_WINDOWS */</span>
    1948. 

  1948. <a name="l01916"></a>01916     } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(redraw &amp; REDRAW_WIDGETS) {
    1949. 

  1949. <a name="l01917"></a>01917       widgetptr = redraw_widgets;
    1950. 

  1950. <a name="l01918"></a>01918       <span class="keywordflow">for</span>(i = 0; i &lt; MAX_REDRAWWIDGETS; ++i) {
    1951. 

  1951. <a name="l01919"></a>01919         widget_redraw(*widgetptr);
    1952. 

  1952. <a name="l01920"></a>01920         *widgetptr = NULL;
    1953. 

  1953. <a name="l01921"></a>01921         ++widgetptr;
    1954. 

  1954. <a name="l01922"></a>01922       }
    1955. 

  1955. <a name="l01923"></a>01923     }
    1956. 

  1956. <a name="l01924"></a>01924     redraw = 0;
    1957. 

  1957. <a name="l01925"></a>01925     redraw_widgetptr = 0;
    1958. 

  1958. <a name="l01926"></a>01926   }
    1959. 

  1959. <a name="l01927"></a>01927   
    1960. 

  1960. <a name="l01928"></a>01928   <a class="code" href="a01627.html#ga9c2681a0070eba8a7c9fdf4dbb6db05e" title="Define the end of a process.">PROCESS_END</a>();
    1961. 

  1961. <a name="l01929"></a>01929 }
    1962. 

  1962. <a name="l01930"></a>01930 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
    1963. 

  1963. <a name="l01931"></a>01931 <span class="comment">/** @} */</span><span class="comment"></span>
    1964. 

  1964. <a name="l01932"></a>01932 <span class="comment">/** @} */</span>
    1965. 

  1965. </pre></div></div>
    1966. 

  1966. <hr size="1"/><address style="text-align: right;"><small>Generated on Mon Apr 11 14:23:27 2011 for Contiki 2.5 by&nbsp;
    1967. 

  1967. <a href="http://www.doxygen.org/index.html">
    1968. 

  1968. <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
    1969. 

  1969. </body>
    1970. 

  1970. </html>
    1971. 

  1971.