/src/ftk_combo_box.c
C | 362 lines | 261 code | 72 blank | 29 comment | 33 complexity | b0d320d4b3aae38210d379593c965d60 MD5 | raw file
1/* 2 * File: ftk_combo_box.c 3 * Author: Li XianJing <xianjimli@hotmail.com> 4 * Brief: combo_box control. 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 * 2010-01-28 Li XianJing <xianjimli@hotmail.com> created 29 * 30 */ 31 32#include "ftk_globals.h" 33#include "ftk_theme.h" 34#include "ftk_entry.h" 35#include "ftk_dialog.h" 36#include "ftk_button.h" 37#include "ftk_combo_box.h" 38#include "ftk_list_view.h" 39#include "ftk_list_model_default.h" 40#include "ftk_list_render_default.h" 41 42typedef struct _ComboBoxPrivInfo 43{ 44 FtkWidget* entry; 45 FtkWidget* button; 46 FtkListModel* model; 47 int selected; 48 FtkListener listener; 49 void* listener_ctx; 50}PrivInfo; 51 52static Ret ftk_combo_box_on_event(FtkWidget* thiz, FtkEvent* event) 53{ 54 return RET_OK; 55} 56 57static Ret ftk_combo_box_on_paint(FtkWidget* thiz) 58{ 59 return RET_OK; 60} 61 62static void ftk_combo_box_destroy(FtkWidget* thiz) 63{ 64 65 DECL_PRIV0(thiz, priv); 66 67 if(priv != NULL) 68 { 69 ftk_list_model_unref(priv->model); 70 priv->model = NULL; 71 FTK_ZFREE(thiz->priv_subclass[0], sizeof(PrivInfo)); 72 } 73 74 return; 75} 76 77static Ret ftk_popup_on_item_clicked(void* ctx, void* list) 78{ 79 FtkListItemInfo* info = NULL; 80 int i = ftk_list_view_get_selected((FtkWidget*)list); 81 FtkListModel* model = ftk_list_view_get_model((FtkWidget*)list); 82 Ret ret = RET_OK; 83 84 ftk_list_model_get_data(model, i, (void**)&info); 85 if(info != NULL) 86 { 87 FtkWidget* thiz = (FtkWidget*)info->user_data; 88 DECL_PRIV0(thiz, priv); 89 90 ftk_combo_box_set_text(thiz, info->text); 91 92 priv->selected = i; 93 94 ret = FTK_CALL_LISTENER(priv->listener, priv->listener_ctx, thiz); 95 96 priv->model->listener_ctx = NULL; 97 } 98 ftk_widget_unref((FtkWidget*)ctx); 99 100 return ret; 101} 102 103static Ret ftk_combo_box_popup_rect(FtkWidget* thiz, int* x, int* y, int* w, int* h) 104{ 105 int ox = 0; 106 int oy = 0; 107 int nr = 0; 108 int width = 0; 109 int height = 0; 110 DECL_PRIV0(thiz, priv); 111 FtkWidget* win = ftk_widget_toplevel(thiz); 112 int win_heigth = ftk_widget_height(win); 113 int margin = (FTK_H_MARGIN + FTK_DIALOG_BORDER)*2; 114 115 ox = ftk_widget_left_abs(thiz); 116 width = ftk_widget_width(thiz); 117 oy = ftk_widget_top_in_window(priv->entry) + ftk_widget_height(priv->entry); 118 119 height = ftk_list_model_get_total(priv->model) * FTK_POPUP_MENU_ITEM_HEIGHT + margin; 120 121 if((height + oy) > win_heigth) 122 { 123 if(oy < (win_heigth)/2) 124 { 125 height = win_heigth - oy; 126 nr = (height - margin)/FTK_POPUP_MENU_ITEM_HEIGHT; 127 height = nr * FTK_POPUP_MENU_ITEM_HEIGHT + margin; 128 } 129 else 130 { 131 height = FTK_MIN(height, oy - ftk_widget_height(priv->entry)); 132 nr = (height - margin)/FTK_POPUP_MENU_ITEM_HEIGHT; 133 height = nr * FTK_POPUP_MENU_ITEM_HEIGHT + margin; 134 oy = oy - height - ftk_widget_height(priv->entry); 135 } 136 } 137 oy += ftk_widget_top_abs(win); 138 139 *x = ox; 140 *y = oy; 141 *w = width; 142 *h = height; 143 144 return RET_OK; 145} 146 147static Ret button_drop_down_clicked(void* ctx, void* obj) 148{ 149 int x = 0; 150 int y = 0; 151 int w = 200; 152 int h = 100; 153 FtkWidget* thiz = (FtkWidget*)ctx; 154 DECL_PRIV0(thiz, priv); 155 FtkWidget* popup = NULL; 156 FtkWidget* list = NULL; 157 FtkListRender* render = NULL; 158 159 ftk_combo_box_popup_rect(thiz, &x, &y, &w, &h); 160 161 popup = ftk_dialog_create_ex(FTK_ATTR_POPUP, x, y, w, h); 162 163 if(y < ftk_widget_top_abs(thiz)) 164 { 165 ftk_window_set_animation_hint(popup, "combobox_up"); 166 } 167 else 168 { 169 ftk_window_set_animation_hint(popup, "combobox_down"); 170 } 171 172 ftk_dialog_hide_title(popup); 173 w = ftk_widget_width(popup) - FTK_DIALOG_BORDER * 2; 174 h = ftk_widget_height(popup) - FTK_DIALOG_BORDER * 2; 175 list = ftk_list_view_create(popup, 0, 0, w, h); 176 ftk_widget_show(list, 1); 177 178 render = ftk_list_render_default_create(); 179 ftk_list_view_init(list, priv->model, render, FTK_POPUP_MENU_ITEM_HEIGHT); 180 ftk_list_view_set_clicked_listener(list, ftk_popup_on_item_clicked, popup); 181 182 ftk_widget_show_all(popup, 1); 183 184 return RET_OK; 185} 186 187FtkWidget* ftk_combo_box_create(FtkWidget* parent, int x, int y, int width, int height) 188{ 189 FtkWidget* thiz = (FtkWidget*)FTK_ZALLOC(sizeof(FtkWidget)); 190 191 return_val_if_fail(thiz != NULL, NULL); 192 193 width = width < height ? (height << 1) : width; 194 thiz->priv_subclass[0] = (PrivInfo*)FTK_ZALLOC(sizeof(PrivInfo)); 195 if(thiz->priv_subclass[0] != NULL) 196 { 197 int h = 0; 198 int w = 0; 199 FtkGc gc = {0}; 200 DECL_PRIV0(thiz, priv); 201 thiz->on_event = ftk_combo_box_on_event; 202 thiz->on_paint = ftk_combo_box_on_paint; 203 thiz->destroy = ftk_combo_box_destroy; 204 205 ftk_widget_init(thiz, FTK_COMBO_BOX, 0, x, y, width, height, FTK_ATTR_TRANSPARENT); 206 ftk_widget_append_child(parent, thiz); 207 208 priv->entry = ftk_entry_create(thiz, 0, 0, width-height, height); 209 h = ftk_widget_height(priv->entry); 210 w = ftk_widget_width(priv->entry); 211 ftk_widget_move_resize(priv->entry, 0, FTK_HALF(height-h), width - h, h); 212 ftk_widget_show(priv->entry, 1); 213 214 priv->button = ftk_button_create(thiz, width - h, FTK_HALF(height-h), h, h); 215 ftk_button_set_clicked_listener(priv->button, button_drop_down_clicked, thiz); 216 217 ftk_widget_set_attr(priv->button, FTK_ATTR_BG_CENTER); 218 gc.mask = FTK_GC_BITMAP; 219 gc.bitmap = ftk_theme_load_image(ftk_default_theme(), "drop_down_normal"FTK_STOCK_IMG_SUFFIX); 220 ftk_widget_set_gc(priv->button, FTK_WIDGET_NORMAL, &gc); 221 ftk_gc_reset(&gc); 222 223 gc.mask = FTK_GC_BITMAP; 224 gc.bitmap = ftk_theme_load_image(ftk_default_theme(), "drop_down_selected"FTK_STOCK_IMG_SUFFIX); 225 ftk_widget_set_gc(priv->button, FTK_WIDGET_FOCUSED, &gc); 226 ftk_gc_reset(&gc); 227 228 gc.mask = FTK_GC_BITMAP; 229 gc.bitmap = ftk_theme_load_image(ftk_default_theme(), "drop_down_pressed"FTK_STOCK_IMG_SUFFIX); 230 ftk_widget_set_gc(priv->button, FTK_WIDGET_ACTIVE, &gc); 231 ftk_gc_reset(&gc); 232 233 ftk_widget_show(priv->button, 1); 234 235 ftk_widget_resize(thiz, width, h + (FTK_V_MARGIN << 1)); 236 237 priv->model = ftk_list_model_default_create(10); 238 239 priv->selected = -1; 240 } 241 else 242 { 243 FTK_FREE(thiz); 244 } 245 246 return thiz; 247} 248 249const char* ftk_combo_box_get_text(FtkWidget* thiz) 250{ 251 DECL_PRIV0(thiz, priv); 252 return_val_if_fail(thiz != NULL, NULL); 253 254 return ftk_entry_get_text(priv->entry); 255} 256 257Ret ftk_combo_box_set_text(FtkWidget* thiz, const char* text) 258{ 259 DECL_PRIV0(thiz, priv); 260 return_val_if_fail(thiz != NULL && text != NULL, RET_FAIL); 261 262 return ftk_entry_set_text(priv->entry, text); 263} 264 265FtkWidget* ftk_combo_box_get_entry(FtkWidget* thiz) 266{ 267 DECL_PRIV0(thiz, priv); 268 return_val_if_fail(thiz != NULL, NULL); 269 270 return priv->entry; 271} 272 273int ftk_combo_box_get_selected(FtkWidget* thiz) 274{ 275 DECL_PRIV0(thiz, priv); 276 return_val_if_fail(thiz != NULL, -1); 277 278 return priv->selected; 279} 280 281Ret ftk_combo_box_append(FtkWidget* thiz, FtkBitmap* icon, const char* text) 282{ 283 DECL_PRIV0(thiz, priv); 284 FtkListItemInfo info = {0}; 285 return_val_if_fail(thiz != NULL && text != NULL, RET_FAIL); 286 287 info.type = FTK_LIST_ITEM_NORMAL; 288 info.text = (char *)text; 289 info.left_icon = icon; 290 info.user_data = thiz; 291 292 return ftk_list_model_add(priv->model, &info); 293} 294 295Ret ftk_combo_box_reset(FtkWidget* thiz) 296{ 297 DECL_PRIV0(thiz, priv); 298 return_val_if_fail(thiz != NULL, RET_FAIL); 299 300 ftk_combo_box_set_text(thiz, " "); 301 302 priv->selected = -1; 303 304 return ftk_list_model_reset(priv->model); 305} 306 307Ret ftk_combo_box_remove(FtkWidget* thiz, size_t index) 308{ 309 DECL_PRIV0(thiz, priv); 310 return_val_if_fail(thiz != NULL, RET_FAIL); 311 312 if(priv->selected == index) 313 { 314 ftk_combo_box_set_text(thiz, " "); 315 316 priv->selected = -1; 317 } 318 319 return ftk_list_model_remove(priv->model, index); 320} 321 322Ret ftk_combo_box_set_clicked_listener(FtkWidget* thiz, FtkListener listener, void* ctx) 323{ 324 DECL_PRIV0(thiz, priv); 325 return_val_if_fail(thiz != NULL, RET_FAIL); 326 327 priv->listener_ctx = ctx; 328 priv->listener = listener; 329 330 return RET_OK; 331} 332 333int ftk_combo_box_get_item_nr(FtkWidget* thiz) 334{ 335 DECL_PRIV0(thiz, priv); 336 return_val_if_fail(thiz != NULL, 0); 337 338 return ftk_list_model_get_total(priv->model); 339} 340 341Ret ftk_combo_box_get_item(FtkWidget* thiz, size_t index, const FtkBitmap** icon, const char** text) 342{ 343 DECL_PRIV0(thiz, priv); 344 FtkListItemInfo* info = NULL; 345 return_val_if_fail(thiz != NULL, 0); 346 347 ftk_list_model_get_data(priv->model, index, (void**)&info); 348 if(info != NULL) 349 { 350 if(icon != NULL) 351 { 352 *icon = info->left_icon; 353 } 354 355 if(text != NULL) 356 { 357 *text = info->text; 358 } 359 } 360 361 return info != NULL ? RET_OK : RET_FAIL; 362}