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 int BC_MenuPopup::total_menuitems()
 138 {
 139         return menu_items.total;
 140 }
 141
 142 int BC_MenuPopup::dispatch_button_press()
 143 {
 144         int result = 0;
 145         if(popup)
 146         {
 147                 for(int i = 0; i < menu_items.total && !result; i++)
 148                 {
 149                         result = menu_items.values[i]->dispatch_button_press();
 150                 }
 151                 if(result) draw_items();
 152         }
 153         return 0;
 154 }
 155
 156 int BC_MenuPopup::dispatch_button_release()
 157 {
 158         int result = 0, redraw = 0;
 159         if(popup)
 160         {
 161                 for(int i = 0; i < menu_items.total && !result; i++)
 162                 {
 163                         result = menu_items.values[i]->dispatch_button_release(redraw);
 164                 }
 165                 if(redraw) draw_items();
 166         }
 167         return result;
 168 }
 169
 170 int BC_MenuPopup::dispatch_key_press()
 171 {
 172         int result = 0;
 173         for(int i = 0; i < menu_items.total && !result; i++)
 174         {
 175                 result = menu_items.values[i]->dispatch_key_press();
 176         }
 177         return result;
 178 }
 179
 180 int BC_MenuPopup::dispatch_motion_event()
 181 {
 182         int i, result = 0, redraw = 0;
 183
 184         if(popup)
 185         {
 186 // Try submenus and items
 187                 for(i = 0; i < menu_items.total; i++)
 188                 {
 189                         result |= menu_items.values[i]->dispatch_motion_event(redraw);
 190                 }
 191
 192                 if(redraw) draw_items();
 193         }
 194
 195         return result;
 196 }
 197
 198 int BC_MenuPopup::dispatch_translation_event()
 199 {
 200         if(popup)
 201         {
 202                 int new_x = x +
 203                         (top_level->last_translate_x - top_level->prev_x -
 204                         BC_DisplayInfo::get_left_border());
 205                 int new_y = y +
 206                         (top_level->last_translate_y - top_level->prev_y -
 207                         BC_DisplayInfo::get_top_border());
 208
 209 // printf("BC_MenuPopup::dispatch_translation_event %d %d %d %d\n",
 210 // top_level->prev_x,
 211 // top_level->last_translate_x,
 212 // top_level->prev_y,
 213 // top_level->last_translate_y);
 214                 popup->reposition_window(new_x, new_y, popup->get_w(), popup->get_h());
 215                 top_level->flush();
 216                 this->x = new_x;
 217                 this->y = new_y;
 218
 219                 for(int i = 0; i < menu_items.total; i++)
 220                 {
 221                         menu_items.values[i]->dispatch_translation_event();
 222                 }
 223         }
 224         return 0;
 225 }
 226
 227
 228 int BC_MenuPopup::dispatch_cursor_leave()
 229 {
 230         int result = 0;
 231
 232         if(popup)
 233         {
 234                 for(int i = 0; i < menu_items.total; i++)
 235                 {
 236                         result |= menu_items.values[i]->dispatch_cursor_leave();
 237                 }
 238                 if(result) draw_items();
 239         }
 240         return 0;
 241 }
 242
 243 int BC_MenuPopup::activate_menu(int x,
 244         int y,
 245         int w,
 246         int h,
 247         int top_window_coords,
 248         int vertical_justify)
 249 {
 250         Window tempwin;
 251         int new_x, new_y;
 252         int top_x0 = top_level->get_screen_x(0, -1);
 253         int top_y0 = top_level->get_screen_y(0, -1);
 254         int top_x1 = top_x0 + top_level->get_screen_w(0, -1);
 255         int top_y1 = top_y0 + top_level->get_screen_h(0, -1);
 256
 257         get_dimensions();
 258
 259 // Coords are relative to the main window
 260         if(top_window_coords)
 261                 XTranslateCoordinates(top_level->display,
 262                         top_level->win,
 263                         top_level->rootwin,
 264                         x,
 265                         y,
 266                         &new_x,
 267                         &new_y,
 268                         &tempwin);
 269         else
 270 // Coords are absolute
 271         {
 272                 new_x = x;
 273                 new_y = y;
 274         }
 275
 276 // All coords are now relative to root window.
 277         if(vertical_justify)
 278         {
 279                 this->x = new_x;
 280                 this->y = new_y + h;
 281                 if( this->x < top_x0 ) this->x = top_x0;
 282                 if( this->y < top_y0 ) this->y = top_y0;
 283                 if(this->x + this->w > top_x1) this->x -= this->x + this->w - top_x1; // Right justify
 284                 if(this->y + this->h > top_y1) this->y -= this->h + h; // Bottom justify
 285 // Avoid top of menu going out of screen
 286                 if(this->y < 0)
 287                         this->y = 2;
 288         }
 289         else
 290         {
 291                 this->x = new_x + w;
 292                 this->y = new_y;
 293                 if( this->x < top_x0 ) this->x = top_x0;
 294                 if( this->y < top_y0 ) this->y = top_y0;
 295                 if(this->x + this->w > top_x1) this->x = new_x - this->w;
 296                 if(this->y + this->h > top_y1) this->y = new_y + h - this->h;
 297         }
 298         top_x0 += 2;  top_y0 += 2;
 299         if( this->x < top_x0 ) this->x = top_x0;
 300         if( this->y < top_y0 ) this->y = top_y0;
 301
 302         active = 1;
 303         if(menu_bar)
 304         {
 305                 popup = new BC_Popup(menu_bar, this->x, this->y, this->w, this->h,
 306                                         top_level->get_resources()->menu_up,
 307                                         1,
 308                                         menu_bar->bg_pixmap);
 309         }
 310         else
 311         {
 312                 popup = new BC_Popup(top_level, this->x, this->y, this->w, this->h,
 313                                         top_level->get_resources()->menu_up,
 314                                         1,
 315                                         0);
 316 //              popup->set_background(top_level->get_resources()->menu_bg);
 317         }
 318         draw_items();
 319         popup->show_window();
 320         return 0;
 321 }
 322
 323 int BC_MenuPopup::deactivate_submenus(BC_MenuPopup *exclude)
 324 {
 325         for(int i = 0; i < menu_items.total; i++)
 326         {
 327                 menu_items.values[i]->deactivate_submenus(exclude);
 328         }
 329         return 0;
 330 }
 331
 332 int BC_MenuPopup::deactivate_menu()
 333 {
 334         deactivate_submenus(0);
 335
 336         if(popup) delete popup;
 337         popup = 0;
 338         active = 0;
 339
 340         return 0;
 341 }
 342
 343 int BC_MenuPopup::draw_items()
 344 {
 345         if(menu_bar)
 346                 popup->draw_top_tiles(menu_bar, 0, 0, w, h);
 347         else
 348                 popup->draw_top_tiles(popup, 0, 0, w, h);
 349
 350         if(window_bg)
 351         {
 352                 popup->draw_9segment(0, 0, w, h, window_bg);
 353         }
 354         else
 355         {
 356                 popup->draw_3d_border(0, 0, w, h,
 357                         top_level->get_resources()->menu_light,
 358                         top_level->get_resources()->menu_up,
 359                         top_level->get_resources()->menu_shadow,
 360                         BLACK);
 361         }
 362
 363         for(int i = 0; i < menu_items.total; i++)
 364         {
 365                 menu_items.values[i]->draw();
 366         }
 367         popup->flash();
 368
 369
 370         return 0;
 371 }
 372
 373 int BC_MenuPopup::get_dimensions()
 374 {
 375         int widest_text = 10, widest_key = 10;
 376         int text_w, key_w;
 377         int i = 0;
 378
 379 // pad for border
 380         h = 2;
 381 // Set up parameters in each item and get total h.
 382         for(i = 0; i < menu_items.total; i++)
 383         {
 384                 text_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->text);
 385                 if(menu_items.values[i]->checked) text_w += check->get_w() + 1;
 386
 387                 key_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->hotkey_text);
 388                 if(text_w > widest_text) widest_text = text_w;
 389                 if(key_w > widest_key) widest_key = key_w;
 390
 391                 if(!strcmp(menu_items.values[i]->text, "-"))
 392                         menu_items.values[i]->h = 5;
 393                 else
 394                 {
 395                         menu_items.values[i]->h = item_bg[0] ? item_bg[0]->get_h() :
 396                                 top_level->get_text_height(MEDIUMFONT) + 4;
 397                 }
 398
 399                 menu_items.values[i]->y = h;
 400                 menu_items.values[i]->highlighted = 0;
 401                 menu_items.values[i]->down = 0;
 402                 h += menu_items.values[i]->h;
 403         }
 404         w = widest_text + widest_key + 10;
 405
 406         w = MAX(w, top_level->get_resources()->min_menu_w);
 407 // pad for division
 408         key_x = widest_text + 5;
 409 // pad for border
 410         h += 2;
 411         return 0;
 412 }
 413
 414 int BC_MenuPopup::get_key_x()
 415 {
 416         return key_x;
 417 }
 418
 419 BC_Popup* BC_MenuPopup::get_popup()
 420 {
 421         return popup;
 422 }
 423
 424 int BC_MenuPopup::cursor_inside()
 425 {
 426         if( !popup ) return 0;
 427         int x = popup->get_relative_cursor_x();
 428         if( x < 0 || x > popup->get_w() ) return 0;
 429         int y = popup->get_relative_cursor_y();
 430         if( y < 0 || y > popup->get_h() ) return 0;
 431         return 1;
 432 }
 433
 434 int BC_MenuPopup::get_w()
 435 {
 436         return w;
 437 }
 438
 439
 440
 441
 442
 443 // ================================= Sub Menu ==================================
 444
 445 BC_SubMenu::BC_SubMenu() : BC_MenuPopup()
 446 {
 447 }
 448
 449 BC_SubMenu::~BC_SubMenu()
 450 {
 451 }
 452
 453 int BC_SubMenu::add_submenuitem(BC_MenuItem *item)
 454 {
 455         add_item(item);
 456         return 0;
 457 }
 458