cinelerra-5.1/guicast/bcmenupopup.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "bcdisplayinfo.h"
  23 #include "bcmenubar.h"
  24 #include "bcmenuitem.h"
  25 #include "bcmenupopup.h"
  26 #include "bcpixmap.h"
  27 #include "bcpopup.h"
  28 #include "bcresources.h"
  29 #include "bcwindowbase.h"
  30 #include "clip.h"
  31
  32 #include <string.h>
  33
  34
  35
  36 // ==================================== Menu Popup =============================
  37
  38 // Types of menu popups
  39 #define MENUPOPUP_MENUBAR 0
  40 #define MENUPOPUP_SUBMENU 1
  41 #define MENUPOPUP_POPUP   2
  42
  43 BC_MenuPopup::BC_MenuPopup()
  44 {
  45         window_bg = 0;
  46         item_bg[0] = 0;
  47         item_bg[1] = 0;
  48         item_bg[2] = 0;
  49         check = 0;
  50 }
  51
  52 BC_MenuPopup::~BC_MenuPopup()
  53 {
  54         while(menu_items.size())
  55         {
  56 // Each menuitem recursively removes itself from the arraylist
  57                 delete menu_items.get(0);
  58         }
  59
  60         delete window_bg;
  61         delete item_bg[0];
  62         delete item_bg[1];
  63         delete item_bg[2];
  64         delete check;
  65 }
  66
  67 int BC_MenuPopup::initialize(BC_WindowBase *top_level,
  68                 BC_MenuBar *menu_bar,
  69                 BC_Menu *menu,
  70                 BC_MenuItem *menu_item,
  71                 BC_PopupMenu *popup_menu)
  72 {
  73         popup = 0;
  74         active = 0;
  75         this->menu = menu;
  76         this->menu_bar = menu_bar;
  77         this->menu_item = menu_item;
  78         this->popup_menu = popup_menu;
  79         this->top_level = top_level;
  80
  81         if(menu_item) this->type = MENUPOPUP_SUBMENU;
  82         else
  83         if(menu) this->type = MENUPOPUP_MENUBAR;
  84         else
  85         if(popup_menu) this->type = MENUPOPUP_POPUP;
  86
  87         BC_Resources *resources = top_level->get_resources();
  88         if(resources->menu_popup_bg)
  89         {
  90                 window_bg = new BC_Pixmap(top_level, resources->menu_popup_bg);
  91         }
  92
  93         if(resources->menu_item_bg)
  94         {
  95                 item_bg[0] = new BC_Pixmap(top_level, resources->menu_item_bg[0], PIXMAP_ALPHA);
  96                 item_bg[1] = new BC_Pixmap(top_level, resources->menu_item_bg[1], PIXMAP_ALPHA);
  97                 item_bg[2] = new BC_Pixmap(top_level, resources->menu_item_bg[2], PIXMAP_ALPHA);
  98         }
  99
 100         if(resources->check)
 101         {
 102                 check = new BC_Pixmap(top_level, resources->check, PIXMAP_ALPHA);
 103         }
 104
 105         return 0;
 106 }
 107
 108 int BC_MenuPopup::add_item(BC_MenuItem *item)
 109 {
 110         menu_items.append(item);
 111         item->initialize(top_level, menu_bar, this);
 112         return 0;
 113 }
 114
 115 int BC_MenuPopup::remove_item(BC_MenuItem *item)
 116 {
 117         menu_items.remove(item);
 118         return 0;
 119 }
 120
 121 int BC_MenuPopup::del_item(BC_MenuItem *item)
 122 {
 123         if(!item && menu_items.size() > 0)
 124         {
 125                 item = menu_items.get(menu_items.size() - 1);
 126         }
 127
 128         if(item)
 129         {
 130                 remove_item(item);
 131                 item->menu_popup = 0;
 132                 delete item;
 133         }
 134         return 0;
 135 }
 136
 137 BC_MenuItem *BC_MenuPopup::get_item(int i)
 138 {
 139         return menu_items[i];
 140 }
 141
 142 int BC_MenuPopup::total_items()
 143 {
 144         return menu_items.size();
 145 }
 146
 147 int BC_MenuPopup::dispatch_button_press()
 148 {
 149         int result = 0;
 150         if(popup)
 151         {
 152                 for(int i = 0; i < menu_items.total && !result && popup; i++)
 153                 {
 154                         result = menu_items.values[i]->dispatch_button_press();
 155                 }
 156                 if(result) draw_items();
 157         }
 158         return 0;
 159 }
 160
 161 int BC_MenuPopup::dispatch_button_release()
 162 {
 163         int result = 0, redraw = 0;
 164         if(popup)
 165         {
 166                 for(int i = 0; i < menu_items.total && !result && popup; i++)
 167                 {
 168                         result = menu_items.values[i]->dispatch_button_release(redraw);
 169                 }
 170                 if(redraw) draw_items();
 171         }
 172         return result;
 173 }
 174
 175 int BC_MenuPopup::dispatch_key_press()
 176 {
 177         int result = 0;
 178         for(int i = 0; i < menu_items.total && !result; i++)
 179         {
 180                 result = menu_items.values[i]->dispatch_key_press();
 181         }
 182         return result;
 183 }
 184
 185 int BC_MenuPopup::dispatch_motion_event()
 186 {
 187         int i, result = 0, redraw = 0;
 188
 189         if(popup)
 190         {
 191 // Try submenus and items
 192                 for(i = 0; i < menu_items.total; i++)
 193                 {
 194                         result |= menu_items.values[i]->dispatch_motion_event(redraw);
 195                 }
 196
 197                 if(redraw) draw_items();
 198         }
 199
 200         return result;
 201 }
 202
 203 int BC_MenuPopup::dispatch_translation_event()
 204 {
 205         if(popup)
 206         {
 207                 int new_x = x +
 208                         (top_level->last_translate_x - top_level->prev_x -
 209                         BC_DisplayInfo::get_left_border());
 210                 int new_y = y +
 211                         (top_level->last_translate_y - top_level->prev_y -
 212                         BC_DisplayInfo::get_top_border());
 213
 214 // printf("BC_MenuPopup::dispatch_translation_event %d %d %d %d\n",
 215 // top_level->prev_x,
 216 // top_level->last_translate_x,
 217 // top_level->prev_y,
 218 // top_level->last_translate_y);
 219                 popup->reposition_window(new_x, new_y, popup->get_w(), popup->get_h());
 220                 top_level->flush();
 221                 this->x = new_x;
 222                 this->y = new_y;
 223
 224                 for(int i = 0; i < menu_items.total; i++)
 225                 {
 226                         menu_items.values[i]->dispatch_translation_event();
 227                 }
 228         }
 229         return 0;
 230 }
 231
 232
 233 int BC_MenuPopup::dispatch_cursor_leave()
 234 {
 235         int result = 0;
 236
 237         if(popup)
 238         {
 239                 for(int i = 0; i < menu_items.total; i++)
 240                 {
 241                         result |= menu_items.values[i]->dispatch_cursor_leave();
 242                 }
 243                 if(result) draw_items();
 244         }
 245         return 0;
 246 }
 247
 248 int BC_MenuPopup::activate_menu(int x,
 249         int y,
 250         int w,
 251         int h,
 252         int top_window_coords,
 253         int vertical_justify)
 254 {
 255         Window tempwin;
 256         int new_x, new_y;
 257         int top_x0 = top_level->get_screen_x(0, -1);
 258         int top_y0 = top_level->get_screen_y(0, -1);
 259         int top_x1 = top_x0 + top_level->get_screen_w(0, -1);
 260         int top_y1 = top_y0 + top_level->get_screen_h(0, -1);
 261
 262         get_dimensions();
 263
 264 // Coords are relative to the main window
 265         if(top_window_coords)
 266                 XTranslateCoordinates(top_level->display,
 267                         top_level->win,
 268                         top_level->rootwin,
 269                         x,
 270                         y,
 271                         &new_x,
 272                         &new_y,
 273                         &tempwin);
 274         else
 275 // Coords are absolute
 276         {
 277                 new_x = x;
 278                 new_y = y;
 279         }
 280
 281 // All coords are now relative to root window.
 282         if(vertical_justify)
 283         {
 284                 this->x = new_x;
 285                 this->y = new_y + h;
 286                 if( this->x < top_x0 ) this->x = top_x0;
 287                 if( this->y < top_y0 ) this->y = top_y0;
 288                 if(this->x + this->w > top_x1) this->x -= this->x + this->w - top_x1; // Right justify
 289                 if(this->y + this->h > top_y1) this->y -= this->h + h; // Bottom justify
 290 // Avoid top of menu going out of screen
 291                 if(this->y < 0)
 292                         this->y = 2;
 293         }
 294         else
 295         {
 296                 this->x = new_x + w;
 297                 this->y = new_y;
 298                 if( this->x < top_x0 ) this->x = top_x0;
 299                 if( this->y < top_y0 ) this->y = top_y0;
 300                 if(this->x + this->w > top_x1) this->x = new_x - this->w;
 301                 if(this->y + this->h > top_y1) this->y = new_y + h - this->h;
 302         }
 303         top_x0 += 2;  top_y0 += 2;
 304         if( this->x < top_x0 ) this->x = top_x0;
 305         if( this->y < top_y0 ) this->y = top_y0;
 306
 307         active = 1;
 308         if(menu_bar)
 309         {
 310                 popup = new BC_Popup(menu_bar, this->x, this->y, this->w, this->h,
 311                                         top_level->get_resources()->menu_up,
 312                                         1,
 313                                         menu_bar->bg_pixmap);
 314         }
 315         else
 316         {
 317                 popup = new BC_Popup(top_level, this->x, this->y, this->w, this->h,
 318                                         top_level->get_resources()->menu_up,
 319                                         1,
 320                                         0);
 321 //              popup->set_background(top_level->get_resources()->menu_bg);
 322         }
 323         draw_items();
 324         popup->show_window();
 325         return 0;
 326 }
 327
 328 int BC_MenuPopup::deactivate_submenus(BC_MenuPopup *exclude)
 329 {
 330         for(int i = 0; i < menu_items.total; i++)
 331         {
 332                 menu_items.values[i]->deactivate_submenus(exclude);
 333         }
 334         return 0;
 335 }
 336
 337 int BC_MenuPopup::deactivate_menu()
 338 {
 339         deactivate_submenus(0);
 340
 341         if(popup) delete popup;
 342         popup = 0;
 343         active = 0;
 344
 345         return 0;
 346 }
 347
 348 int BC_MenuPopup::draw_items()
 349 {
 350         if(menu_bar)
 351                 popup->draw_top_tiles(menu_bar, 0, 0, w, h);
 352         else
 353                 popup->draw_top_tiles(popup, 0, 0, w, h);
 354
 355         if(window_bg)
 356         {
 357                 popup->draw_9segment(0, 0, w, h, window_bg);
 358         }
 359         else
 360         {
 361                 popup->draw_3d_border(0, 0, w, h,
 362                         top_level->get_resources()->menu_light,
 363                         top_level->get_resources()->menu_up,
 364                         top_level->get_resources()->menu_shadow,
 365                         BLACK);
 366         }
 367
 368         for(int i = 0; i < menu_items.total; i++)
 369         {
 370                 menu_items.values[i]->draw();
 371         }
 372         popup->flash();
 373
 374
 375         return 0;
 376 }
 377
 378 int BC_MenuPopup::get_dimensions()
 379 {
 380         int widest_text = 10, widest_key = 10;
 381         int text_w, key_w;
 382         int i = 0;
 383
 384 // pad for border
 385         h = 2;
 386 // Set up parameters in each item and get total h.
 387         for(i = 0; i < menu_items.total; i++)
 388         {
 389                 text_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->text);
 390                 if(menu_items.values[i]->checked) text_w += check->get_w() + 1;
 391
 392                 key_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->hotkey_text);
 393                 if(text_w > widest_text) widest_text = text_w;
 394                 if(key_w > widest_key) widest_key = key_w;
 395
 396                 if(!strcmp(menu_items.values[i]->text, "-"))
 397                         menu_items.values[i]->h = 5;
 398                 else
 399                 {
 400                         menu_items.values[i]->h = item_bg[0] ? item_bg[0]->get_h() :
 401                                 top_level->get_text_height(MEDIUMFONT) + 4;
 402                 }
 403
 404                 menu_items.values[i]->y = h;
 405                 menu_items.values[i]->highlighted = 0;
 406                 menu_items.values[i]->down = 0;
 407                 h += menu_items.values[i]->h;
 408         }
 409         w = widest_text + widest_key + 10;
 410
 411         w = MAX(w, top_level->get_resources()->min_menu_w);
 412 // pad for division
 413         key_x = widest_text + 5;
 414 // pad for border
 415         h += 2;
 416         return 0;
 417 }
 418
 419 int BC_MenuPopup::get_key_x()
 420 {
 421         return key_x;
 422 }
 423
 424 BC_Popup* BC_MenuPopup::get_popup()
 425 {
 426         return popup;
 427 }
 428
 429 int BC_MenuPopup::cursor_inside()
 430 {
 431         if( !popup ) return 0;
 432         if( popup->cursor_above() ) return 1;
 433         for( int i=0; i<menu_items.size(); ++i ) {
 434                 if( !menu_items[i]->submenu ) continue;
 435                 if( menu_items[i]->submenu->cursor_inside() ) return 1;
 436         }
 437         return 0;
 438 }
 439
 440 int BC_MenuPopup::get_w()
 441 {
 442         return w;
 443 }
 444
 445
 446
 447
 448
 449 // ================================= Sub Menu ==================================
 450
 451 BC_SubMenu::BC_SubMenu() : BC_MenuPopup()
 452 {
 453 }
 454
 455 BC_SubMenu::~BC_SubMenu()
 456 {
 457 }
 458
 459 int BC_SubMenu::add_submenuitem(BC_MenuItem *item)
 460 {
 461         add_item(item);
 462         return 0;
 463 }
 464