/src/ftk_message_box.c
C | 216 lines | 145 code | 39 blank | 32 comment | 15 complexity | cc1502ca84a0d52bd3d4e4b09424c05d MD5 | raw file
1/* 2 * File: ftk_messagebox.c 3 * Author: Li XianJing <xianjimli@hotmail.com> 4 * Brief: messagebox 5 * 6 * Copyright (c) 2009 - 2010 Li XianJing <xianjimli@hotmail.com> 7 * 8 * Licensed under the Academic Free License version 2.1 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 */ 24 25/* 26 * History: 27 * ================================================================ 28 * 2010-01-23 Li XianJing <xianjimli@hotmail.com> created 29 * 30 */ 31 32#include "ftk_log.h" 33#include "ftk_label.h" 34#include "ftk_button.h" 35#include "ftk_globals.h" 36#include "ftk_message_box.h" 37 38static Ret message_box_on_button_clicked(void* ctx, void* obj) 39{ 40 *(int*)ctx = ftk_widget_id((FtkWidget*)obj); 41 42 ftk_logd("%s: the %dth button is clicked.\n", __func__, ftk_widget_id((FtkWidget*)obj)); 43 44 return RET_QUIT; 45} 46 47#define FTK_BUTTON_DEFAULT_WIDTH 80 48#define FTK_BUTTON_DEFAULT_HEIGHT 48 49#define FTK_MESSAGE_BOX_MIN_HEIGHT 30 50 51static Ret ftk_message_box_size(int has_title, int has_button, const char* text, int* w, int* h) 52{ 53 int start = 0; 54 int width = 0; 55 int height = 0; 56 int font_h = 0; 57 FtkRect rect = {0}; 58 const char* end = text; 59 FtkCanvas* canvas = ftk_shared_canvas(); 60 61 ftk_wnd_manager_get_work_area(ftk_default_wnd_manager(), &rect); 62 63 width = rect.width - 2 * (FTK_DIALOG_MARGIN + FTK_LABEL_LEFT_MARGIN + FTK_DIALOG_BORDER); 64 65 height = 4 * FTK_V_MARGIN + FTK_DIALOG_BORDER; 66 height += has_title ? ftk_dialog_get_title_height() : 0; 67 height += has_button ? FTK_BUTTON_DEFAULT_HEIGHT : 0; 68 69 font_h = ftk_font_desc_get_size(ftk_default_font()); 70 while(*end != '\0') 71 { 72 height += font_h + FTK_LABEL_TOP_MARGIN; 73 end = ftk_canvas_calc_str_visible_range(canvas, text, start, -1, width, NULL); 74 start = end - text; 75 } 76 77 height = height < FTK_MESSAGE_BOX_MIN_HEIGHT ? FTK_MESSAGE_BOX_MIN_HEIGHT : height; 78 height = height < rect.height ? height : rect.height; 79 80 *h = (height + 1) & 0xfffffffe; 81 *w = (rect.width + 1) & 0xfffffffe; 82 83 return RET_OK; 84} 85 86static int ftk_count_strings(const char* buttons[FTK_MSGBOX_MAX_BUTTONS]) 87{ 88 int i = 0; 89 int buttons_nr = 0; 90 91 if(buttons != NULL) 92 { 93 for(i = 0; buttons[i] != NULL && i < FTK_MSGBOX_MAX_BUTTONS; i++) 94 { 95 buttons_nr++; 96 } 97 } 98 99 return buttons_nr; 100} 101 102int ftk_message_box(FtkBitmap* icon, const char* title, const char* text, const char* buttons[FTK_MSGBOX_MAX_BUTTONS]) 103{ 104 int i = 0; 105 int w = 0; 106 int h = 0; 107 int id = 0; 108 int ret = 0; 109 int width = 0; 110 int height = 0; 111 int xoffset = 0; 112 int yoffset = 0; 113 int h_margin = 0; 114 int has_title = icon != NULL || title != NULL; 115 int buttons_nr = ftk_count_strings(buttons); 116 117 FtkWidget* label = NULL; 118 FtkWidget* button = NULL; 119 FtkWidget* dialog = NULL; 120 121 return_val_if_fail(text != NULL, -1); 122 123 ftk_message_box_size(has_title, buttons_nr, text, &width, &height); 124 dialog = ftk_dialog_create(0, 0, width, height); 125 ftk_window_set_animation_hint(dialog, "msgbox"); 126 if(has_title) 127 { 128 ftk_dialog_set_icon(dialog, icon); 129 ftk_widget_set_text(dialog, title); 130 } 131 else 132 { 133 ftk_dialog_hide_title(dialog); 134 ftk_widget_set_attr(dialog, FTK_ATTR_POPUP); 135 } 136 137 width = ftk_widget_width(dialog); 138 height = ftk_widget_height(dialog); 139 140 /*create label.*/ 141 xoffset = FTK_H_MARGIN; 142 yoffset = FTK_V_MARGIN; 143 w = width - 2 * (FTK_DIALOG_BORDER + FTK_H_MARGIN); 144 h = height - FTK_DIALOG_BORDER - 4 * FTK_V_MARGIN; 145 h -= has_title ? ftk_dialog_get_title_height() : 0; 146 h -= buttons_nr > 0 ? FTK_BUTTON_DEFAULT_HEIGHT : 0; 147 148 label = ftk_label_create(dialog, xoffset, yoffset, w, h); 149 ftk_widget_set_text(label, text); 150 151 /*create buttons*/ 152 153 if(buttons_nr > 0) 154 { 155 xoffset = 0; 156 w = FTK_BUTTON_DEFAULT_WIDTH; 157 h = FTK_BUTTON_DEFAULT_HEIGHT; 158 w = ((buttons_nr + 1) * w) < width ? w : (width / (buttons_nr + 1)); 159 yoffset = height - h - FTK_V_MARGIN - (has_title ? ftk_dialog_get_title_height() : 0); 160 h_margin = (width - buttons_nr * w) / (buttons_nr + 1); 161 162 for(i = 0; i < buttons_nr; i++) 163 { 164 xoffset += h_margin; 165 button = ftk_button_create(dialog, xoffset, yoffset, w, h); 166 ftk_widget_set_id(button, i + 1); 167 ftk_widget_set_text(button, buttons[i]); 168 ftk_button_set_clicked_listener(button, message_box_on_button_clicked, &id); 169 xoffset += w; 170 } 171 } 172 else 173 { 174 /*if no buttons, quit when timeout.*/ 175 ftk_dialog_quit_after(dialog, 3000); 176 } 177 178 ftk_widget_show_all(dialog, 1); 179 ret = ftk_dialog_run(dialog); 180 ftk_widget_unref(dialog); 181 182 if(icon != NULL) 183 { 184 ftk_bitmap_unref(icon); 185 } 186 187 return ret; 188} 189 190int ftk_tips(const char* text) 191{ 192 return ftk_message_box(NULL, NULL, text, NULL); 193} 194 195int ftk_warning(const char* title, const char* text, const char* buttons[FTK_MSGBOX_MAX_BUTTONS + 1]) 196{ 197 FtkBitmap* icon = ftk_theme_load_image(ftk_default_theme(), "warning"FTK_STOCK_IMG_SUFFIX); 198 199 return ftk_message_box(icon, title, text, buttons); 200} 201 202int ftk_question(const char* title, const char* text, const char* buttons[FTK_MSGBOX_MAX_BUTTONS + 1]) 203{ 204 FtkBitmap* icon = ftk_theme_load_image(ftk_default_theme(), "question"FTK_STOCK_IMG_SUFFIX); 205 206 return ftk_message_box(icon, title, text, buttons); 207} 208 209int ftk_infomation(const char* title, const char* text, const char* buttons[FTK_MSGBOX_MAX_BUTTONS + 1]) 210{ 211 FtkBitmap* icon = ftk_theme_load_image(ftk_default_theme(), "info"FTK_STOCK_IMG_SUFFIX); 212 213 return ftk_message_box(icon, title, text, buttons); 214} 215 216