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 }
 119
 120 int BC_MenuPopup::del_item(BC_MenuItem *item)
 121 {
 122         if(!item && menu_items.size() > 0)
 123         {
 124                 item = menu_items.get(menu_items.size() - 1);
 125         }
 126
 127         if(item)
 128         {
 129                 remove_item(item);
 130                 item->menu_popup = 0;
 131                 delete item;
 132         }
 133         return 0;
 134 }
 135
 136 int BC_MenuPopup::total_menuitems()
 137 {
 138         return menu_items.total;
 139 }
 140
 141 int BC_MenuPopup::dispatch_button_press()
 142 {
 143         int result = 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_press();
 149                 }
 150                 if(result) draw_items();
 151         }
 152         return 0;
 153 }
 154
 155 int BC_MenuPopup::dispatch_button_release()
 156 {
 157         int result = 0, redraw = 0;
 158         if(popup)
 159         {
 160                 for(int i = 0; i < menu_items.total && !result; i++)
 161                 {
 162                         result = menu_items.values[i]->dispatch_button_release(redraw);
 163                 }
 164                 if(redraw) draw_items();
 165         }
 166         return result;
 167 }
 168
 169 int BC_MenuPopup::dispatch_key_press()
 170 {
 171         int result = 0;
 172         for(int i = 0; i < menu_items.total && !result; i++)
 173         {
 174                 result = menu_items.values[i]->dispatch_key_press();
 175         }
 176         return result;
 177 }
 178
 179 int BC_MenuPopup::dispatch_motion_event()
 180 {
 181         int i, result = 0, redraw = 0;
 182
 183         if(popup)
 184         {
 185 // Try submenus and items
 186                 for(i = 0; i < menu_items.total; i++)
 187                 {
 188                         result |= menu_items.values[i]->dispatch_motion_event(redraw);
 189                 }
 190
 191                 if(redraw) draw_items();
 192         }
 193
 194         return result;
 195 }
 196
 197 int BC_MenuPopup::dispatch_translation_event()
 198 {
 199         if(popup)
 200         {
 201                 int new_x = x +
 202                         (top_level->last_translate_x - top_level->prev_x -
 203                         BC_DisplayInfo::get_left_border());
 204                 int new_y = y +
 205                         (top_level->last_translate_y - top_level->prev_y -
 206                         BC_DisplayInfo::get_top_border());
 207
 208 // printf("BC_MenuPopup::dispatch_translation_event %d %d %d %d\n",
 209 // top_level->prev_x,
 210 // top_level->last_translate_x,
 211 // top_level->prev_y,
 212 // top_level->last_translate_y);
 213                 popup->reposition_window(new_x, new_y, popup->get_w(), popup->get_h());
 214                 top_level->flush();
 215                 this->x = new_x;
 216                 this->y = new_y;
 217
 218                 for(int i = 0; i < menu_items.total; i++)
 219                 {
 220                         menu_items.values[i]->dispatch_translation_event();
 221                 }
 222         }
 223         return 0;
 224 }
 225
 226
 227 int BC_MenuPopup::dispatch_cursor_leave()
 228 {
 229         int result = 0;
 230
 231         if(popup)
 232         {
 233                 for(int i = 0; i < menu_items.total; i++)
 234                 {
 235                         result |= menu_items.values[i]->dispatch_cursor_leave();
 236                 }
 237                 if(result) draw_items();
 238         }
 239         return 0;
 240 }
 241
 242 int BC_MenuPopup::activate_menu(int x,
 243         int y,
 244         int w,
 245         int h,
 246         int top_window_coords,
 247         int vertical_justify)
 248 {
 249         Window tempwin;
 250         int new_x, new_y;
 251         int top_x0 = top_level->get_screen_x(0, -1);
 252         int top_y0 = top_level->get_screen_y(0, -1);
 253         int top_x1 = top_x0 + top_level->get_screen_w(0, -1);
 254         int top_y1 = top_y0 + top_level->get_screen_h(0, -1);
 255
 256         get_dimensions();
 257
 258 // Coords are relative to the main window
 259         if(top_window_coords)
 260                 XTranslateCoordinates(top_level->display,
 261                         top_level->win,
 262                         top_level->rootwin,
 263                         x,
 264                         y,
 265                         &new_x,
 266                         &new_y,
 267                         &tempwin);
 268         else
 269 // Coords are absolute
 270         {
 271                 new_x = x;
 272                 new_y = y;
 273         }
 274
 275 // All coords are now relative to root window.
 276         if(vertical_justify)
 277         {
 278                 this->x = new_x;
 279                 this->y = new_y + h;
 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 -= this->x + this->w - top_x1; // Right justify
 283                 if(this->y + this->h > top_y1) this->y -= this->h + h; // Bottom justify
 284 // Avoid top of menu going out of screen
 285                 if(this->y < 0)
 286                         this->y = 2;
 287         }
 288         else
 289         {
 290                 this->x = new_x + w;
 291                 this->y = new_y;
 292                 if( this->x < top_x0 ) this->x = top_x0;
 293                 if( this->y < top_y0 ) this->y = top_y0;
 294                 if(this->x + this->w > top_x1) this->x = new_x - this->w;
 295                 if(this->y + this->h > top_y1) this->y = new_y + h - this->h;
 296         }
 297         top_x0 += 2;  top_y0 += 2;
 298         if( this->x < top_x0 ) this->x = top_x0;
 299         if( this->y < top_y0 ) this->y = top_y0;
 300
 301         active = 1;
 302         if(menu_bar)
 303         {
 304                 popup = new BC_Popup(menu_bar, this->x, this->y, this->w, this->h,
 305                                         top_level->get_resources()->menu_up,
 306                                         1,
 307                                         menu_bar->bg_pixmap);
 308         }
 309         else
 310         {
 311                 popup = new BC_Popup(top_level, this->x, this->y, this->w, this->h,
 312                                         top_level->get_resources()->menu_up,
 313                                         1,
 314                                         0);
 315 //              popup->set_background(top_level->get_resources()->menu_bg);
 316         }
 317         draw_items();
 318         popup->show_window();
 319         return 0;
 320 }
 321
 322 int BC_MenuPopup::deactivate_submenus(BC_MenuPopup *exclude)
 323 {
 324         for(int i = 0; i < menu_items.total; i++)
 325         {
 326                 menu_items.values[i]->deactivate_submenus(exclude);
 327         }
 328         return 0;
 329 }
 330
 331 int BC_MenuPopup::deactivate_menu()
 332 {
 333         deactivate_submenus(0);
 334
 335         if(popup) delete popup;
 336         popup = 0;
 337         active = 0;
 338
 339         return 0;
 340 }
 341
 342 int BC_MenuPopup::draw_items()
 343 {
 344         if(menu_bar)
 345                 popup->draw_top_tiles(menu_bar, 0, 0, w, h);
 346         else
 347                 popup->draw_top_tiles(popup, 0, 0, w, h);
 348
 349         if(window_bg)
 350         {
 351                 popup->draw_9segment(0, 0, w, h, window_bg);
 352         }
 353         else
 354         {
 355                 popup->draw_3d_border(0, 0, w, h,
 356                         top_level->get_resources()->menu_light,
 357                         top_level->get_resources()->menu_up,
 358                         top_level->get_resources()->menu_shadow,
 359                         BLACK);
 360         }
 361
 362         for(int i = 0; i < menu_items.total; i++)
 363         {
 364                 menu_items.values[i]->draw();
 365         }
 366         popup->flash();
 367
 368
 369         return 0;
 370 }
 371
 372 int BC_MenuPopup::get_dimensions()
 373 {
 374         int widest_text = 10, widest_key = 10;
 375         int text_w, key_w;
 376         int i = 0;
 377
 378 // pad for border
 379         h = 2;
 380 // Set up parameters in each item and get total h.
 381         for(i = 0; i < menu_items.total; i++)
 382         {
 383                 text_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->text);
 384                 if(menu_items.values[i]->checked) text_w += check->get_w() + 1;
 385
 386                 key_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->hotkey_text);
 387                 if(text_w > widest_text) widest_text = text_w;
 388                 if(key_w > widest_key) widest_key = key_w;
 389
 390                 if(!strcmp(menu_items.values[i]->text, "-"))
 391                         menu_items.values[i]->h = 5;
 392                 else
 393                 {
 394                         menu_items.values[i]->h = item_bg[0] ? item_bg[0]->get_h() :
 395                                 top_level->get_text_height(MEDIUMFONT) + 4;
 396                 }
 397
 398                 menu_items.values[i]->y = h;
 399                 menu_items.values[i]->highlighted = 0;
 400                 menu_items.values[i]->down = 0;
 401                 h += menu_items.values[i]->h;
 402         }
 403         w = widest_text + widest_key + 10;
 404
 405         w = MAX(w, top_level->get_resources()->min_menu_w);
 406 // pad for division
 407         key_x = widest_text + 5;
 408 // pad for border
 409         h += 2;
 410         return 0;
 411 }
 412
 413 int BC_MenuPopup::get_key_x()
 414 {
 415         return key_x;
 416 }
 417
 418 BC_Popup* BC_MenuPopup::get_popup()
 419 {
 420         return popup;
 421 }
 422
 423 int BC_MenuPopup::cursor_inside()
 424 {
 425         if( !popup ) return 0;
 426         int x = popup->get_relative_cursor_x();
 427         if( x < 0 || x > popup->get_w() ) return 0;
 428         int y = popup->get_relative_cursor_y();
 429         if( y < 0 || y > popup->get_h() ) return 0;
 430         return 1;
 431 }
 432
 433 int BC_MenuPopup::get_w()
 434 {
 435         return w;
 436 }
 437
 438
 439
 440
 441
 442 // ================================= Sub Menu ==================================
 443
 444 BC_SubMenu::BC_SubMenu() : BC_MenuPopup()
 445 {
 446 }
 447
 448 BC_SubMenu::~BC_SubMenu()
 449 {
 450 }
 451
 452 int BC_SubMenu::add_submenuitem(BC_MenuItem *item)
 453 {
 454         add_item(item);
 455         return 0;
 456 }
 457