cinelerra-5.0/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 "bcmenubar.h"
  23 #include "bcmenuitem.h"
  24 #include "bcmenupopup.h"
  25 #include "bcpixmap.h"
  26 #include "bcpopup.h"
  27 #include "bcresources.h"
  28 #include "bcwindowbase.h"
  29 #include "clip.h"
  30
  31 #include <string.h>
  32
  33
  34
  35 // ==================================== Menu Popup =============================
  36
  37 // Types of menu popups
  38 #define MENUPOPUP_MENUBAR 0
  39 #define MENUPOPUP_SUBMENU 1
  40 #define MENUPOPUP_POPUP   2
  41
  42 BC_MenuPopup::BC_MenuPopup()
  43 {
  44         window_bg = 0;
  45         item_bg[0] = 0;
  46         item_bg[1] = 0;
  47         item_bg[2] = 0;
  48 }
  49
  50 BC_MenuPopup::~BC_MenuPopup()
  51 {
  52         while(menu_items.size())
  53         {
  54 // Each menuitem recursively removes itself from the arraylist
  55                 delete menu_items.get(0);
  56         }
  57
  58         delete window_bg;
  59         delete item_bg[0];
  60         delete item_bg[1];
  61         delete item_bg[2];
  62 }
  63
  64 int BC_MenuPopup::initialize(BC_WindowBase *top_level,
  65                 BC_MenuBar *menu_bar,
  66                 BC_Menu *menu,
  67                 BC_MenuItem *menu_item,
  68                 BC_PopupMenu *popup_menu)
  69 {
  70         popup = 0;
  71         active = 0;
  72         this->menu = menu;
  73         this->menu_bar = menu_bar;
  74         this->menu_item = menu_item;
  75         this->popup_menu = popup_menu;
  76         this->top_level = top_level;
  77
  78         if(menu_item) this->type = MENUPOPUP_SUBMENU;
  79         else
  80         if(menu) this->type = MENUPOPUP_MENUBAR;
  81         else
  82         if(popup_menu) this->type = MENUPOPUP_POPUP;
  83
  84         BC_Resources *resources = top_level->get_resources();
  85         if(resources->menu_popup_bg)
  86         {
  87                 window_bg = new BC_Pixmap(top_level, resources->menu_popup_bg);
  88         }
  89         if(resources->menu_item_bg)
  90         {
  91                 item_bg[0] = new BC_Pixmap(top_level, resources->menu_item_bg[0], PIXMAP_ALPHA);
  92                 item_bg[1] = new BC_Pixmap(top_level, resources->menu_item_bg[1], PIXMAP_ALPHA);
  93                 item_bg[2] = new BC_Pixmap(top_level, resources->menu_item_bg[2], PIXMAP_ALPHA);
  94         }
  95
  96         return 0;
  97 }
  98
  99 int BC_MenuPopup::add_item(BC_MenuItem *item)
 100 {
 101         menu_items.append(item);
 102         item->initialize(top_level, menu_bar, this);
 103         return 0;
 104 }
 105
 106 int BC_MenuPopup::remove_item(BC_MenuItem *item, int recursive)
 107 {
 108         if(!item && menu_items.size() > 0)
 109         {
 110                 item = menu_items.get(menu_items.size() - 1);
 111         }
 112
 113         if(item)
 114         {
 115                 menu_items.remove(item);
 116                 item->menu_popup = 0;
 117                 if(!recursive) delete item;
 118         }
 119         return 0;
 120 }
 121
 122 int BC_MenuPopup::total_menuitems()
 123 {
 124         return menu_items.total;
 125 }
 126
 127 int BC_MenuPopup::dispatch_button_press()
 128 {
 129         int result = 0;
 130         if(popup)
 131         {
 132                 for(int i = 0; i < menu_items.total && !result; i++)
 133                 {
 134                         result = menu_items.values[i]->dispatch_button_press();
 135                 }
 136                 if(result) draw_items();
 137         }
 138         return 0;
 139 }
 140
 141 int BC_MenuPopup::dispatch_button_release()
 142 {
 143         int result = 0, redraw = 0;
 144         if(popup)
 145         {
 146                 for(int i = 0; i < menu_items.total && !result; i++)
 147                 {
 148                         result = menu_items.values[i]->dispatch_button_release(redraw);
 149                 }
 150                 if(redraw) draw_items();
 151         }
 152         return result;
 153 }
 154
 155 int BC_MenuPopup::dispatch_key_press()
 156 {
 157         int result = 0;
 158         for(int i = 0; i < menu_items.total && !result; i++)
 159         {
 160                 result = menu_items.values[i]->dispatch_key_press();
 161         }
 162         return result;
 163 }
 164
 165 int BC_MenuPopup::dispatch_motion_event()
 166 {
 167         int i, result = 0, redraw = 0;
 168
 169         if(popup)
 170         {
 171 // Try submenus and items
 172                 for(i = 0; i < menu_items.total; i++)
 173                 {
 174                         result |= menu_items.values[i]->dispatch_motion_event(redraw);
 175                 }
 176
 177                 if(redraw) draw_items();
 178         }
 179
 180         return result;
 181 }
 182
 183 int BC_MenuPopup::dispatch_translation_event()
 184 {
 185         if(popup)
 186         {
 187                 int new_x = x +
 188                         (top_level->last_translate_x -
 189                         top_level->prev_x -
 190                         top_level->get_resources()->get_left_border());
 191                 int new_y = y +
 192                         (top_level->last_translate_y -
 193                         top_level->prev_y -
 194                         top_level->get_resources()->get_top_border());
 195
 196 // printf("BC_MenuPopup::dispatch_translation_event %d %d %d %d\n",
 197 // top_level->prev_x,
 198 // top_level->last_translate_x,
 199 // top_level->prev_y,
 200 // top_level->last_translate_y);
 201                 popup->reposition_window(new_x, new_y, popup->get_w(), popup->get_h());
 202                 top_level->flush();
 203                 this->x = new_x;
 204                 this->y = new_y;
 205
 206                 for(int i = 0; i < menu_items.total; i++)
 207                 {
 208                         menu_items.values[i]->dispatch_translation_event();
 209                 }
 210         }
 211         return 0;
 212 }
 213
 214
 215 int BC_MenuPopup::dispatch_cursor_leave()
 216 {
 217         int result = 0;
 218
 219         if(popup)
 220         {
 221                 for(int i = 0; i < menu_items.total; i++)
 222                 {
 223                         result |= menu_items.values[i]->dispatch_cursor_leave();
 224                 }
 225                 if(result) draw_items();
 226         }
 227         return 0;
 228 }
 229
 230 int BC_MenuPopup::activate_menu(int x,
 231         int y,
 232         int w,
 233         int h,
 234         int top_window_coords,
 235         int vertical_justify)
 236 {
 237         Window tempwin;
 238         int new_x, new_y;
 239         int top_x0 = top_level->get_screen_x(0, -1);
 240         int top_y0 = top_level->get_screen_y(0, -1);
 241         int top_x1 = top_x0 + top_level->get_screen_w(0, -1);
 242         int top_y1 = top_y0 + top_level->get_screen_h(0, -1);
 243
 244         get_dimensions();
 245
 246 // Coords are relative to the main window
 247         if(top_window_coords)
 248                 XTranslateCoordinates(top_level->display,
 249                         top_level->win,
 250                         top_level->rootwin,
 251                         x,
 252                         y,
 253                         &new_x,
 254                         &new_y,
 255                         &tempwin);
 256         else
 257 // Coords are absolute
 258         {
 259                 new_x = x;
 260                 new_y = y;
 261         }
 262
 263 // All coords are now relative to root window.
 264         if(vertical_justify)
 265         {
 266                 this->x = new_x;
 267                 this->y = new_y + h;
 268                 if( this->x < top_x0 ) this->x = top_x0;
 269                 if( this->y < top_y0 ) this->y = top_y0;
 270                 if(this->x + this->w > top_x1) this->x -= this->x + this->w - top_x1; // Right justify
 271                 if(this->y + this->h > top_y1) this->y -= this->h + h; // Bottom justify
 272 // Avoid top of menu going out of screen
 273                 if(this->y < 0)
 274                         this->y = 2;
 275         }
 276         else
 277         {
 278                 this->x = new_x + w;
 279                 this->y = new_y;
 280                 if( this->x < top_x0 ) this->x = top_x0;
 281                 if( this->y < top_y0 ) this->y = top_y0;
 282                 if(this->x + this->w > top_x1) this->x = new_x - this->w;
 283                 if(this->y + this->h > top_y1) this->y = new_y + h - this->h;
 284         }
 285         top_x0 += 2;  top_y0 += 2;
 286         if( this->x < top_x0 ) this->x = top_x0;
 287         if( this->y < top_y0 ) this->y = top_y0;
 288
 289         active = 1;
 290         if(menu_bar)
 291         {
 292                 popup = new BC_Popup(menu_bar, this->x, this->y, this->w, this->h,
 293                                         top_level->get_resources()->menu_up,
 294                                         1,
 295                                         menu_bar->bg_pixmap);
 296         }
 297         else
 298         {
 299                 popup = new BC_Popup(top_level, this->x, this->y, this->w, this->h,
 300                                         top_level->get_resources()->menu_up,
 301                                         1,
 302                                         0);
 303 //              popup->set_background(top_level->get_resources()->menu_bg);
 304         }
 305         draw_items();
 306         popup->show_window();
 307         return 0;
 308 }
 309
 310 int BC_MenuPopup::deactivate_submenus(BC_MenuPopup *exclude)
 311 {
 312         for(int i = 0; i < menu_items.total; i++)
 313         {
 314                 menu_items.values[i]->deactivate_submenus(exclude);
 315         }
 316         return 0;
 317 }
 318
 319 int BC_MenuPopup::deactivate_menu()
 320 {
 321         deactivate_submenus(0);
 322
 323         if(popup) delete popup;
 324         popup = 0;
 325         active = 0;
 326
 327         return 0;
 328 }
 329
 330 int BC_MenuPopup::draw_items()
 331 {
 332         if(menu_bar)
 333                 popup->draw_top_tiles(menu_bar, 0, 0, w, h);
 334         else
 335                 popup->draw_top_tiles(popup, 0, 0, w, h);
 336
 337         if(window_bg)
 338         {
 339                 popup->draw_9segment(0, 0, w, h, window_bg);
 340         }
 341         else
 342         {
 343                 popup->draw_3d_border(0, 0, w, h,
 344                         top_level->get_resources()->menu_light,
 345                         top_level->get_resources()->menu_up,
 346                         top_level->get_resources()->menu_shadow,
 347                         BLACK);
 348         }
 349
 350         for(int i = 0; i < menu_items.total; i++)
 351         {
 352                 menu_items.values[i]->draw();
 353         }
 354         popup->flash();
 355
 356
 357         return 0;
 358 }
 359
 360 int BC_MenuPopup::get_dimensions()
 361 {
 362         int widest_text = 10, widest_key = 10;
 363         int text_w, key_w;
 364         int i = 0;
 365
 366 // pad for border
 367         h = 2;
 368 // Set up parameters in each item and get total h.
 369         for(i = 0; i < menu_items.total; i++)
 370         {
 371                 text_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->text);
 372                 if(menu_items.values[i]->checked) text_w += 20;
 373
 374                 key_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->hotkey_text);
 375                 if(text_w > widest_text) widest_text = text_w;
 376                 if(key_w > widest_key) widest_key = key_w;
 377
 378                 if(!strcmp(menu_items.values[i]->text, "-"))
 379                         menu_items.values[i]->h = 5;
 380                 else
 381                         menu_items.values[i]->h = top_level->get_text_height(MEDIUMFONT) + 4;
 382
 383                 menu_items.values[i]->y = h;
 384                 menu_items.values[i]->highlighted = 0;
 385                 menu_items.values[i]->down = 0;
 386                 h += menu_items.values[i]->h;
 387         }
 388         w = widest_text + widest_key + 10;
 389
 390         w = MAX(w, top_level->get_resources()->min_menu_w);
 391 // pad for division
 392         key_x = widest_text + 5;
 393 // pad for border
 394         h += 2;
 395         return 0;
 396 }
 397
 398 int BC_MenuPopup::get_key_x()
 399 {
 400         return key_x;
 401 }
 402
 403 BC_Popup* BC_MenuPopup::get_popup()
 404 {
 405         return popup;
 406 }
 407
 408 int BC_MenuPopup::cursor_inside()
 409 {
 410         if( !popup ) return 0;
 411         int x = popup->get_relative_cursor_x();
 412         if( x < 0 || x > popup->get_w() ) return 0;
 413         int y = popup->get_relative_cursor_y();
 414         if( y < 0 || y > popup->get_h() ) return 0;
 415         return 1;
 416 }
 417
 418 int BC_MenuPopup::get_w()
 419 {
 420         return w;
 421 }
 422
 423
 424
 425
 426
 427 // ================================= Sub Menu ==================================
 428
 429 BC_SubMenu::BC_SubMenu() : BC_MenuPopup()
 430 {
 431 }
 432
 433 BC_SubMenu::~BC_SubMenu()
 434 {
 435 }
 436
 437 int BC_SubMenu::add_submenuitem(BC_MenuItem *item)
 438 {
 439         add_item(item);
 440         return 0;
 441 }
 442