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
 148 int BC_MenuPopup::dispatch_button_press()
 149 {
 150         int result = 0;
 151         if(popup)
 152         {
 153                 for(int i = 0; i < menu_items.total && !result && popup; i++) {
 154                         BC_MenuItem *item = menu_items[i];
 155                         if( !item->enabled ) continue;
 156                         result = item->dispatch_button_press();
 157                 }
 158                 if(result) draw_items();
 159         }
 160         return 0;
 161 }
 162
 163 int BC_MenuPopup::dispatch_button_release()
 164 {
 165         int result = 0, redraw = 0;
 166         if(popup)
 167         {
 168                 for(int i = 0; i < menu_items.total && !result && popup; i++) {
 169                         BC_MenuItem *item = menu_items[i];
 170                         if( !item->enabled ) continue;
 171                         result = item->dispatch_button_release(redraw);
 172                 }
 173                 if(redraw) draw_items();
 174         }
 175         return result;
 176 }
 177
 178 int BC_MenuPopup::dispatch_key_press()
 179 {
 180         int result = 0;
 181         for(int i = 0; i < menu_items.total && !result; i++) {
 182                 BC_MenuItem *item = menu_items[i];
 183                 if( !item->enabled ) continue;
 184                 result = item->dispatch_key_press();
 185         }
 186         return result;
 187 }
 188
 189 int BC_MenuPopup::dispatch_motion_event()
 190 {
 191         int i, result = 0, redraw = 0;
 192
 193         if(popup)
 194         {
 195 // Try submenus and items
 196                 for(i = 0; i < menu_items.total; i++) {
 197                         BC_MenuItem *item = menu_items[i];
 198                         if( !item->enabled ) continue;
 199                         result |= item->dispatch_motion_event(redraw);
 200                 }
 201
 202                 if(redraw) draw_items();
 203         }
 204
 205         return result;
 206 }
 207
 208 int BC_MenuPopup::dispatch_translation_event()
 209 {
 210         if(popup)
 211         {
 212                 int new_x = x +
 213                         (top_level->last_translate_x - top_level->prev_x -
 214                         BC_DisplayInfo::get_left_border());
 215                 int new_y = y +
 216                         (top_level->last_translate_y - top_level->prev_y -
 217                         BC_DisplayInfo::get_top_border());
 218
 219 // printf("BC_MenuPopup::dispatch_translation_event %d %d %d %d\n",
 220 // top_level->prev_x,
 221 // top_level->last_translate_x,
 222 // top_level->prev_y,
 223 // top_level->last_translate_y);
 224                 popup->reposition_window(new_x, new_y, popup->get_w(), popup->get_h());
 225                 top_level->flush();
 226                 this->x = new_x;
 227                 this->y = new_y;
 228
 229                 for(int i = 0; i < menu_items.total; i++) {
 230                         BC_MenuItem *item = menu_items[i];
 231                         if( !item->enabled ) continue;
 232                         item->dispatch_translation_event();
 233                 }
 234         }
 235         return 0;
 236 }
 237
 238
 239 int BC_MenuPopup::dispatch_cursor_leave()
 240 {
 241         int result = 0;
 242
 243         if(popup)
 244         {
 245                 for(int i = 0; i < menu_items.total; i++) {
 246                         BC_MenuItem *item = menu_items[i];
 247                         if( !item->enabled ) continue;
 248                         result |= item->dispatch_cursor_leave();
 249                 }
 250                 if(result) draw_items();
 251         }
 252         return 0;
 253 }
 254
 255 int BC_MenuPopup::activate_menu(int x,
 256         int y,
 257         int w,
 258         int h,
 259         int top_window_coords,
 260         int vertical_justify)
 261 {
 262         Window tempwin;
 263         int new_x, new_y;
 264         int top_x0 = top_level->get_screen_x(0, -1);
 265         int top_y0 = top_level->get_screen_y(0, -1);
 266         int top_x1 = top_x0 + top_level->get_screen_w(0, -1);
 267         int top_y1 = top_y0 + top_level->get_screen_h(0, -1);
 268
 269         get_dimensions();
 270
 271 // Coords are relative to the main window
 272         if(top_window_coords)
 273                 XTranslateCoordinates(top_level->display,
 274                         top_level->win,
 275                         top_level->rootwin,
 276                         x,
 277                         y,
 278                         &new_x,
 279                         &new_y,
 280                         &tempwin);
 281         else
 282 // Coords are absolute
 283         {
 284                 new_x = x;
 285                 new_y = y;
 286         }
 287
 288 // All coords are now relative to root window.
 289         if(vertical_justify)
 290         {
 291                 this->x = new_x;
 292                 this->y = new_y + h;
 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 -= this->x + this->w - top_x1; // Right justify
 296                 if(this->y + this->h > top_y1) this->y -= this->h + h; // Bottom justify
 297 // Avoid top of menu going out of screen
 298                 if(this->y < 0)
 299                         this->y = yS(2);
 300         }
 301         else
 302         {
 303                 this->x = new_x + w;
 304                 this->y = new_y;
 305                 if( this->x < top_x0 ) this->x = top_x0;
 306                 if( this->y < top_y0 ) this->y = top_y0;
 307                 if(this->x + this->w > top_x1) this->x = new_x - this->w;
 308                 if(this->y + this->h > top_y1) this->y = new_y + h - this->h;
 309         }
 310         top_x0 += xS(2);  top_y0 += yS(2);
 311         if( this->x < top_x0 ) this->x = top_x0;
 312         if( this->y < top_y0 ) this->y = top_y0;
 313
 314         active = 1;
 315         if(menu_bar)
 316         {
 317                 popup = new BC_Popup(menu_bar, this->x, this->y, this->w, this->h,
 318                                 top_level->get_resources()->menu_up, 1, menu_bar->bg_pixmap);
 319         }
 320         else
 321         {
 322                 popup = new BC_Popup(top_level, this->x, this->y, this->w, this->h,
 323                                 top_level->get_resources()->menu_up, 1, 0);
 324 //              popup->set_background(top_level->get_resources()->menu_bg);
 325         }
 326         draw_items();
 327         popup->show_window();
 328         return 0;
 329 }
 330
 331 int BC_MenuPopup::deactivate_submenus(BC_MenuPopup *exclude)
 332 {
 333         for(int i = 0; i < menu_items.total; i++) {
 334                 BC_MenuItem *item = menu_items[i];
 335                 if( !item->enabled ) continue;
 336                 item->deactivate_submenus(exclude);
 337         }
 338         return 0;
 339 }
 340
 341 int BC_MenuPopup::deactivate_menu()
 342 {
 343         deactivate_submenus(0);
 344
 345         if(popup) delete popup;
 346         popup = 0;
 347         active = 0;
 348
 349         return 0;
 350 }
 351
 352 int BC_MenuPopup::draw_items()
 353 {
 354         if(menu_bar)
 355                 popup->draw_top_tiles(menu_bar, 0, 0, w, h);
 356         else
 357                 popup->draw_top_tiles(popup, 0, 0, w, h);
 358
 359         if(window_bg)
 360         {
 361                 popup->draw_9segment(0, 0, w, h, window_bg);
 362         }
 363         else
 364         {
 365                 popup->draw_3d_border(0, 0, w, h,
 366                         top_level->get_resources()->menu_light,
 367                         top_level->get_resources()->menu_up,
 368                         top_level->get_resources()->menu_shadow,
 369                         BLACK);
 370         }
 371
 372         for(int i = 0; i < menu_items.total; i++) {
 373                 BC_MenuItem *item = menu_items[i];
 374                 if( !item->enabled ) continue;
 375                 item->draw();
 376         }
 377         popup->flash();
 378
 379
 380         return 0;
 381 }
 382
 383 int BC_MenuPopup::get_dimensions()
 384 {
 385         int xs10 = xS(10), xs20 = xS(20);
 386         int ys4 = yS(4), ys5 = yS(10);
 387         int widest_text = xs10, widest_key = xs10;
 388         int text_w, key_w;
 389         int i = 0;
 390
 391 // pad for border
 392         h = yS(2);
 393 // Set up parameters in each item and get total h.
 394         for(i = 0; i < menu_items.total; i++) {
 395                 BC_MenuItem *item = menu_items[i];
 396                 if( !item->enabled ) continue;
 397                 text_w = xs10 + top_level->get_text_width(MEDIUMFONT, item->text);
 398                 if(item->checked) text_w += check->get_w() + xS(1);
 399
 400                 key_w = xs10 + top_level->get_text_width(MEDIUMFONT, item->hotkey_text);
 401                 if(text_w > widest_text) widest_text = text_w;
 402                 if(key_w > widest_key) widest_key = key_w;
 403
 404                 if(!strcmp(item->text, "-"))
 405                         item->h = ys5;
 406                 else {
 407                         item->h = item_bg[0] ? item_bg[0]->get_h() :
 408                                 top_level->get_text_height(MEDIUMFONT) + ys4;
 409                 }
 410
 411                 item->y = h;
 412                 item->highlighted = 0;
 413                 item->down = 0;
 414                 h += item->h;
 415         }
 416         w = widest_text + widest_key + xs20;
 417
 418         w = MAX(w, top_level->get_resources()->min_menu_w);
 419 // pad for division
 420         key_x = widest_text + xS(16);
 421 // pad for border
 422         h += yS(2);
 423         return 0;
 424 }
 425
 426 int BC_MenuPopup::get_key_x()
 427 {
 428         return key_x;
 429 }
 430
 431 BC_Popup* BC_MenuPopup::get_popup()
 432 {
 433         return popup;
 434 }
 435
 436 int BC_MenuPopup::cursor_inside()
 437 {
 438         if( !popup ) return 0;
 439         if( popup->cursor_above() ) return 1;
 440         for( int i=0; i<menu_items.size(); ++i ) {
 441                 BC_MenuItem *item = menu_items[i];
 442                 if( !item->enabled || !item->submenu ) continue;
 443                 if( item->submenu->cursor_inside() ) return 1;
 444         }
 445         return 0;
 446 }
 447
 448 int BC_MenuPopup::get_w()
 449 {
 450         return w;
 451 }
 452
 453
 454
 455
 456
 457 // ================================= Sub Menu ==================================
 458
 459 BC_SubMenu::BC_SubMenu() : BC_MenuPopup()
 460 {
 461 }
 462
 463 BC_SubMenu::~BC_SubMenu()
 464 {
 465 }
 466
 467 int BC_SubMenu::add_submenuitem(BC_MenuItem *item)
 468 {
 469         add_item(item);
 470         return 0;
 471 }
 472