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  75. <H2>
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  76. <FONT SIZE="-1">
    77. 

  77. org.gjt.sp.jedit.textarea</FONT>
    78. 

  78. <BR>
    79. 

  79. Class TextAreaExtension</H2>
    80. 

  80. <PRE>
    81. 

  81. java.lang.Object
    82. 

  82.   <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.gjt.sp.jedit.textarea.TextAreaExtension</B>
    83. 

  83. </PRE>
    84. 

  84. <DL>
    85. 

  85. <DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../org/gjt/sp/jedit/textarea/StructureMatcher.Highlight.html" title="class in org.gjt.sp.jedit.textarea">StructureMatcher.Highlight</A></DD>
    86. 

  86. </DL>
    87. 

  87. <HR>
    88. 

  88. <DL>
    89. 

  89. <DT><PRE>public abstract class <B>TextAreaExtension</B><DT>extends java.lang.Object</DL>
    90. 

  90. </PRE>
    91. 

  91. 

  92. <P>
    93. 

  93. Subclasses of this class can perform custom painting and tool tip
    94. 

  94.  handling in the text area and gutter.
    95. 

  95. <P>
    96. 

  96. 

  97. <P>
    98. 

  98. <DL>
    99. 

  99. <DT><B>Since:</B></DT>
    100. 

  100.   <DD>jEdit 4.0pre4</DD>
    101. 

  101. <DT><B>See Also:</B><DD><A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaPainter.html#addExtension(org.gjt.sp.jedit.textarea.TextAreaExtension)"><CODE>TextAreaPainter.addExtension(TextAreaExtension)</CODE></A>, 
    102. 

  102. <A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaPainter.html#removeExtension(org.gjt.sp.jedit.textarea.TextAreaExtension)"><CODE>TextAreaPainter.removeExtension(TextAreaExtension)</CODE></A>, 
    103. 

  103. <A HREF="../../../../../org/gjt/sp/jedit/textarea/Gutter.html#addExtension(org.gjt.sp.jedit.textarea.TextAreaExtension)"><CODE>Gutter.addExtension(TextAreaExtension)</CODE></A>, 
    104. 

  104. <A HREF="../../../../../org/gjt/sp/jedit/textarea/Gutter.html#removeExtension(org.gjt.sp.jedit.textarea.TextAreaExtension)"><CODE>Gutter.removeExtension(TextAreaExtension)</CODE></A></DL>
    105. 

  105. <HR>
    106. 

  106. 

  107. <P>
    108. 

  108. 

  109. <!-- ======== CONSTRUCTOR SUMMARY ======== -->
    110. 

  110. 

  111. <A NAME="constructor_summary"><!-- --></A>
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  112. <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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  113. <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
    114. 

  114. <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
    115. 

  115. <B>Constructor Summary</B></FONT></TH>
    116. 

  116. </TR>
    117. 

  117. <TR BGCOLOR="white" CLASS="TableRowColor">
    118. 

  118. <TD><CODE><B><A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaExtension.html#TextAreaExtension()">TextAreaExtension</A></B>()</CODE>
    119. 

  119. 

  120. <BR>
    121. 

  121. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
    122. 

  122. </TR>
    123. 

  123. </TABLE>
    124. 

  124. &nbsp;
    125. 

  125. <!-- ========== METHOD SUMMARY =========== -->
    126. 

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    131. 

  131. <B>Method Summary</B></FONT></TH>
    132. 

  132. </TR>
    133. 

  133. <TR BGCOLOR="white" CLASS="TableRowColor">
    134. 

  134. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
    135. 

  135. <CODE>&nbsp;java.lang.String</CODE></FONT></TD>
    136. 

  136. <TD><CODE><B><A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaExtension.html#getToolTipText(int, int)">getToolTipText</A></B>(int&nbsp;x,
    137. 

  137.                int&nbsp;y)</CODE>
    138. 

  138. 

  139. <BR>
    140. 

  140. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called by the text area when the mouse hovers over the
    141. 

  141.  location specified in the mouse event.</TD>
    142. 

  142. </TR>
    143. 

  143. <TR BGCOLOR="white" CLASS="TableRowColor">
    144. 

  144. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
    145. 

  145. <CODE>&nbsp;void</CODE></FONT></TD>
    146. 

  146. <TD><CODE><B><A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaExtension.html#paintInvalidLine(java.awt.Graphics2D, int, int)">paintInvalidLine</A></B>(java.awt.Graphics2D&nbsp;gfx,
    147. 

  147.                  int&nbsp;screenLine,
    148. 

  148.                  int&nbsp;y)</CODE>
    149. 

  149. 

  150. <BR>
    151. 

  151. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called by the text area when the extension is to paint a
    152. 

  152.  screen line which is not part of the buffer.</TD>
    153. 

  153. </TR>
    154. 

  154. <TR BGCOLOR="white" CLASS="TableRowColor">
    155. 

  155. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
    156. 

  156. <CODE>&nbsp;void</CODE></FONT></TD>
    157. 

  157. <TD><CODE><B><A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaExtension.html#paintScreenLineRange(java.awt.Graphics2D, int, int, int[], int[], int[], int, int)">paintScreenLineRange</A></B>(java.awt.Graphics2D&nbsp;gfx,
    158. 

  158.                      int&nbsp;firstLine,
    159. 

  159.                      int&nbsp;lastLine,
    160. 

  160.                      int[]&nbsp;physicalLines,
    161. 

  161.                      int[]&nbsp;start,
    162. 

  162.                      int[]&nbsp;end,
    163. 

  163.                      int&nbsp;y,
    164. 

  164.                      int&nbsp;lineHeight)</CODE>
    165. 

  165. 

  166. <BR>
    167. 

  167. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Paints a range of screen lines.</TD>
    168. 

  168. </TR>
    169. 

  169. <TR BGCOLOR="white" CLASS="TableRowColor">
    170. 

  170. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
    171. 

  171. <CODE>&nbsp;void</CODE></FONT></TD>
    172. 

  172. <TD><CODE><B><A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaExtension.html#paintValidLine(java.awt.Graphics2D, int, int, int, int, int)">paintValidLine</A></B>(java.awt.Graphics2D&nbsp;gfx,
    173. 

  173.                int&nbsp;screenLine,
    174. 

  174.                int&nbsp;physicalLine,
    175. 

  175.                int&nbsp;start,
    176. 

  176.                int&nbsp;end,
    177. 

  177.                int&nbsp;y)</CODE>
    178. 

  178. 

  179. <BR>
    180. 

  180. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called by the text area when the extension is to paint a
    181. 

  181.  screen line which has an associated physical line number in
    182. 

  182.  the buffer.</TD>
    183. 

  183. </TR>
    184. 

  184. </TABLE>
    185. 

  185. &nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
    186. 

  186. <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
    187. 

  187. <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
    188. 

  188. <TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
    189. 

  189. </TR>
    190. 

  190. <TR BGCOLOR="white" CLASS="TableRowColor">
    191. 

  191. <TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
    192. 

  192. </TR>
    193. 

  193. </TABLE>
    194. 

  194. &nbsp;
    195. 

  195. <P>
    196. 

  196. 

  197. <!-- ========= CONSTRUCTOR DETAIL ======== -->
    198. 

  198. 

  199. <A NAME="constructor_detail"><!-- --></A>
    200. 

  200. <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
    201. 

  201. <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
    202. 

  202. <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
    203. 

  203. <B>Constructor Detail</B></FONT></TH>
    204. 

  204. </TR>
    205. 

  205. </TABLE>
    206. 

  206. 

  207. <A NAME="TextAreaExtension()"><!-- --></A><H3>
    208. 

  208. TextAreaExtension</H3>
    209. 

  209. <PRE>
    210. 

  210. public <B>TextAreaExtension</B>()</PRE>
    211. 

  211. <DL>
    212. 

  212. </DL>
    213. 

  213. 

  214. <!-- ============ METHOD DETAIL ========== -->
    215. 

  215. 

  216. <A NAME="method_detail"><!-- --></A>
    217. 

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    218. 

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    219. 

  219. <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
    220. 

  220. <B>Method Detail</B></FONT></TH>
    221. 

  221. </TR>
    222. 

  222. </TABLE>
    223. 

  223. 

  224. <A NAME="paintScreenLineRange(java.awt.Graphics2D, int, int, int[], int[], int[], int, int)"><!-- --></A><H3>
    225. 

  225. paintScreenLineRange</H3>
    226. 

  226. <PRE>
    227. 

  227. public void <B>paintScreenLineRange</B>(java.awt.Graphics2D&nbsp;gfx,
    228. 

  228.                                  int&nbsp;firstLine,
    229. 

  229.                                  int&nbsp;lastLine,
    230. 

  230.                                  int[]&nbsp;physicalLines,
    231. 

  231.                                  int[]&nbsp;start,
    232. 

  232.                                  int[]&nbsp;end,
    233. 

  233.                                  int&nbsp;y,
    234. 

  234.                                  int&nbsp;lineHeight)</PRE>
    235. 

  235. <DL>
    236. 

  236. <DD>Paints a range of screen lines. The default implementation calls
    237. 

  237.  <A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaExtension.html#paintValidLine(java.awt.Graphics2D, int, int, int, int, int)"><CODE>paintValidLine(Graphics2D,int,int,int,int,int)</CODE></A> and
    238. 

  238.  <A HREF="../../../../../org/gjt/sp/jedit/textarea/TextAreaExtension.html#paintInvalidLine(java.awt.Graphics2D, int, int)"><CODE>paintInvalidLine(Graphics2D,int,int)</CODE></A>.
    239. 

  239. <P>
    240. 

  240. <DD><DL>
    241. 

  241. <DT><B>Parameters:</B><DD><CODE>gfx</CODE> - A graphics context<DD><CODE>firstLine</CODE> - The first screen line<DD><CODE>lastLine</CODE> - The last screen line<DD><CODE>physicalLines</CODE> - The list of physical line numbers. Entries are
    242. 

  242.  -1 if the screen line is out of range.<DD><CODE>start</CODE> - An array of screen line start offsets.<DD><CODE>end</CODE> - An array of screen line end offsets<DD><CODE>y</CODE> - The y co-ordinate<DD><CODE>lineHeight</CODE> - The line height<DT><B>Since:</B></DT>
    243. 

  243.   <DD>jEdit 4.2pre2</DD>
    244. 

  244. </DL>
    245. 

  245. </DD>
    246. 

  246. </DL>
    247. 

  247. <HR>
    248. 

  248. 

  249. <A NAME="paintValidLine(java.awt.Graphics2D, int, int, int, int, int)"><!-- --></A><H3>
    250. 

  250. paintValidLine</H3>
    251. 

  251. <PRE>
    252. 

  252. public void <B>paintValidLine</B>(java.awt.Graphics2D&nbsp;gfx,
    253. 

  253.                            int&nbsp;screenLine,
    254. 

  254.                            int&nbsp;physicalLine,
    255. 

  255.                            int&nbsp;start,
    256. 

  256.                            int&nbsp;end,
    257. 

  257.                            int&nbsp;y)</PRE>
    258. 

  258. <DL>
    259. 

  259. <DD>Called by the text area when the extension is to paint a
    260. 

  260.  screen line which has an associated physical line number in
    261. 

  261.  the buffer. Note that since one physical line may consist of
    262. 

  262.  several screen lines due to soft wrap, the start and end
    263. 

  263.  offsets of the screen line are passed in as well.
    264. 

  264. <P>
    265. 

  265. <DD><DL>
    266. 

  266. <DT><B>Parameters:</B><DD><CODE>gfx</CODE> - The graphics context<DD><CODE>screenLine</CODE> - The screen line number<DD><CODE>physicalLine</CODE> - The physical line number<DD><CODE>start</CODE> - The offset where the screen line begins, from
    267. 

  267.  the start of the buffer<DD><CODE>end</CODE> - The offset where the screen line ends, from the
    268. 

  268.  start of the buffer<DD><CODE>y</CODE> - The y co-ordinate of the top of the line's
    269. 

  269.  bounding box<DT><B>Since:</B></DT>
    270. 

  270.   <DD>jEdit 4.0pre4</DD>
    271. 

  271. </DL>
    272. 

  272. </DD>
    273. 

  273. </DL>
    274. 

  274. <HR>
    275. 

  275. 

  276. <A NAME="paintInvalidLine(java.awt.Graphics2D, int, int)"><!-- --></A><H3>
    277. 

  277. paintInvalidLine</H3>
    278. 

  278. <PRE>
    279. 

  279. public void <B>paintInvalidLine</B>(java.awt.Graphics2D&nbsp;gfx,
    280. 

  280.                              int&nbsp;screenLine,
    281. 

  281.                              int&nbsp;y)</PRE>
    282. 

  282. <DL>
    283. 

  283. <DD>Called by the text area when the extension is to paint a
    284. 

  284.  screen line which is not part of the buffer. This can happen
    285. 

  285.  if the buffer is shorter than the height of the text area,
    286. 

  286.  for example.
    287. 

  287. <P>
    288. 

  288. <DD><DL>
    289. 

  289. <DT><B>Parameters:</B><DD><CODE>gfx</CODE> - The graphics context<DD><CODE>screenLine</CODE> - The screen line number<DD><CODE>y</CODE> - The y co-ordinate of the top of the line's
    290. 

  290.  bounding box<DT><B>Since:</B></DT>
    291. 

  291.   <DD>jEdit 4.0pre4</DD>
    292. 

  292. </DL>
    293. 

  293. </DD>
    294. 

  294. </DL>
    295. 

  295. <HR>
    296. 

  296. 

  297. <A NAME="getToolTipText(int, int)"><!-- --></A><H3>
    298. 

  298. getToolTipText</H3>
    299. 

  299. <PRE>
    300. 

  300. public java.lang.String <B>getToolTipText</B>(int&nbsp;x,
    301. 

  301.                                        int&nbsp;y)</PRE>
    302. 

  302. <DL>
    303. 

  303. <DD>Called by the text area when the mouse hovers over the
    304. 

  304.  location specified in the mouse event.
    305. 

  305. <P>
    306. 

  306. <DD><DL>
    307. 

  307. <DT><B>Parameters:</B><DD><CODE>x</CODE> - The x co-ordinate<DD><CODE>y</CODE> - The y co-ordinate<DT><B>Since:</B></DT>
    308. 

  308.   <DD>jEdit 4.0pre4</DD>
    309. 

  309. </DL>
    310. 

  310. </DD>
    311. 

  311. </DL>
    312. 

  312. <!-- ========= END OF CLASS DATA ========= -->
    313. 

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    314. 

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  328.   <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/TextAreaExtension.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
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