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, int recursive)
 116 {
 117         if(!item && menu_items.size() > 0)
 118         {
 119                 item = menu_items.get(menu_items.size() - 1);
 120         }
 121
 122         if(item)
 123         {
 124                 menu_items.remove(item);
 125                 item->menu_popup = 0;
 126                 if(!recursive) delete item;
 127         }
 128         return 0;
 129 }
 130
 131 int BC_MenuPopup::total_menuitems()
 132 {
 133         return menu_items.total;
 134 }
 135
 136 int BC_MenuPopup::dispatch_button_press()
 137 {
 138         int result = 0;
 139         if(popup)
 140         {
 141                 for(int i = 0; i < menu_items.total && !result; i++)
 142                 {
 143                         result = menu_items.values[i]->dispatch_button_press();
 144                 }
 145                 if(result) draw_items();
 146         }
 147         return 0;
 148 }
 149
 150 int BC_MenuPopup::dispatch_button_release()
 151 {
 152         int result = 0, redraw = 0;
 153         if(popup)
 154         {
 155                 for(int i = 0; i < menu_items.total && !result; i++)
 156                 {
 157                         result = menu_items.values[i]->dispatch_button_release(redraw);
 158                 }
 159                 if(redraw) draw_items();
 160         }
 161         return result;
 162 }
 163
 164 int BC_MenuPopup::dispatch_key_press()
 165 {
 166         int result = 0;
 167         for(int i = 0; i < menu_items.total && !result; i++)
 168         {
 169                 result = menu_items.values[i]->dispatch_key_press();
 170         }
 171         return result;
 172 }
 173
 174 int BC_MenuPopup::dispatch_motion_event()
 175 {
 176         int i, result = 0, redraw = 0;
 177
 178         if(popup)
 179         {
 180 // Try submenus and items
 181                 for(i = 0; i < menu_items.total; i++)
 182                 {
 183                         result |= menu_items.values[i]->dispatch_motion_event(redraw);
 184                 }
 185
 186                 if(redraw) draw_items();
 187         }
 188
 189         return result;
 190 }
 191
 192 int BC_MenuPopup::dispatch_translation_event()
 193 {
 194         if(popup)
 195         {
 196                 int new_x = x +
 197                         (top_level->last_translate_x - top_level->prev_x -
 198                         BC_DisplayInfo::get_left_border());
 199                 int new_y = y +
 200                         (top_level->last_translate_y - top_level->prev_y -
 201                         BC_DisplayInfo::get_top_border());
 202
 203 // printf("BC_MenuPopup::dispatch_translation_event %d %d %d %d\n",
 204 // top_level->prev_x,
 205 // top_level->last_translate_x,
 206 // top_level->prev_y,
 207 // top_level->last_translate_y);
 208                 popup->reposition_window(new_x, new_y, popup->get_w(), popup->get_h());
 209                 top_level->flush();
 210                 this->x = new_x;
 211                 this->y = new_y;
 212
 213                 for(int i = 0; i < menu_items.total; i++)
 214                 {
 215                         menu_items.values[i]->dispatch_translation_event();
 216                 }
 217         }
 218         return 0;
 219 }
 220
 221
 222 int BC_MenuPopup::dispatch_cursor_leave()
 223 {
 224         int result = 0;
 225
 226         if(popup)
 227         {
 228                 for(int i = 0; i < menu_items.total; i++)
 229                 {
 230                         result |= menu_items.values[i]->dispatch_cursor_leave();
 231                 }
 232                 if(result) draw_items();
 233         }
 234         return 0;
 235 }
 236
 237 int BC_MenuPopup::activate_menu(int x,
 238         int y,
 239         int w,
 240         int h,
 241         int top_window_coords,
 242         int vertical_justify)
 243 {
 244         Window tempwin;
 245         int new_x, new_y;
 246         int top_x0 = top_level->get_screen_x(0, -1);
 247         int top_y0 = top_level->get_screen_y(0, -1);
 248         int top_x1 = top_x0 + top_level->get_screen_w(0, -1);
 249         int top_y1 = top_y0 + top_level->get_screen_h(0, -1);
 250
 251         get_dimensions();
 252
 253 // Coords are relative to the main window
 254         if(top_window_coords)
 255                 XTranslateCoordinates(top_level->display,
 256                         top_level->win,
 257                         top_level->rootwin,
 258                         x,
 259                         y,
 260                         &new_x,
 261                         &new_y,
 262                         &tempwin);
 263         else
 264 // Coords are absolute
 265         {
 266                 new_x = x;
 267                 new_y = y;
 268         }
 269
 270 // All coords are now relative to root window.
 271         if(vertical_justify)
 272         {
 273                 this->x = new_x;
 274                 this->y = new_y + h;
 275                 if( this->x < top_x0 ) this->x = top_x0;
 276                 if( this->y < top_y0 ) this->y = top_y0;
 277                 if(this->x + this->w > top_x1) this->x -= this->x + this->w - top_x1; // Right justify
 278                 if(this->y + this->h > top_y1) this->y -= this->h + h; // Bottom justify
 279 // Avoid top of menu going out of screen
 280                 if(this->y < 0)
 281                         this->y = 2;
 282         }
 283         else
 284         {
 285                 this->x = new_x + w;
 286                 this->y = new_y;
 287                 if( this->x < top_x0 ) this->x = top_x0;
 288                 if( this->y < top_y0 ) this->y = top_y0;
 289                 if(this->x + this->w > top_x1) this->x = new_x - this->w;
 290                 if(this->y + this->h > top_y1) this->y = new_y + h - this->h;
 291         }
 292         top_x0 += 2;  top_y0 += 2;
 293         if( this->x < top_x0 ) this->x = top_x0;
 294         if( this->y < top_y0 ) this->y = top_y0;
 295
 296         active = 1;
 297         if(menu_bar)
 298         {
 299                 popup = new BC_Popup(menu_bar, this->x, this->y, this->w, this->h,
 300                                         top_level->get_resources()->menu_up,
 301                                         1,
 302                                         menu_bar->bg_pixmap);
 303         }
 304         else
 305         {
 306                 popup = new BC_Popup(top_level, this->x, this->y, this->w, this->h,
 307                                         top_level->get_resources()->menu_up,
 308                                         1,
 309                                         0);
 310 //              popup->set_background(top_level->get_resources()->menu_bg);
 311         }
 312         draw_items();
 313         popup->show_window();
 314         return 0;
 315 }
 316
 317 int BC_MenuPopup::deactivate_submenus(BC_MenuPopup *exclude)
 318 {
 319         for(int i = 0; i < menu_items.total; i++)
 320         {
 321                 menu_items.values[i]->deactivate_submenus(exclude);
 322         }
 323         return 0;
 324 }
 325
 326 int BC_MenuPopup::deactivate_menu()
 327 {
 328         deactivate_submenus(0);
 329
 330         if(popup) delete popup;
 331         popup = 0;
 332         active = 0;
 333
 334         return 0;
 335 }
 336
 337 int BC_MenuPopup::draw_items()
 338 {
 339         if(menu_bar)
 340                 popup->draw_top_tiles(menu_bar, 0, 0, w, h);
 341         else
 342                 popup->draw_top_tiles(popup, 0, 0, w, h);
 343
 344         if(window_bg)
 345         {
 346                 popup->draw_9segment(0, 0, w, h, window_bg);
 347         }
 348         else
 349         {
 350                 popup->draw_3d_border(0, 0, w, h,
 351                         top_level->get_resources()->menu_light,
 352                         top_level->get_resources()->menu_up,
 353                         top_level->get_resources()->menu_shadow,
 354                         BLACK);
 355         }
 356
 357         for(int i = 0; i < menu_items.total; i++)
 358         {
 359                 menu_items.values[i]->draw();
 360         }
 361         popup->flash();
 362
 363
 364         return 0;
 365 }
 366
 367 int BC_MenuPopup::get_dimensions()
 368 {
 369         int widest_text = 10, widest_key = 10;
 370         int text_w, key_w;
 371         int i = 0;
 372
 373 // pad for border
 374         h = 2;
 375 // Set up parameters in each item and get total h.
 376         for(i = 0; i < menu_items.total; i++)
 377         {
 378                 text_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->text);
 379                 if(menu_items.values[i]->checked) text_w += check->get_w() + 1;
 380
 381                 key_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->hotkey_text);
 382                 if(text_w > widest_text) widest_text = text_w;
 383                 if(key_w > widest_key) widest_key = key_w;
 384
 385                 if(!strcmp(menu_items.values[i]->text, "-"))
 386                         menu_items.values[i]->h = 5;
 387                 else
 388                 {
 389                         menu_items.values[i]->h = item_bg[0] ? item_bg[0]->get_h() :
 390                                 top_level->get_text_height(MEDIUMFONT) + 4;
 391                 }
 392
 393                 menu_items.values[i]->y = h;
 394                 menu_items.values[i]->highlighted = 0;
 395                 menu_items.values[i]->down = 0;
 396                 h += menu_items.values[i]->h;
 397         }
 398         w = widest_text + widest_key + 10;
 399
 400         w = MAX(w, top_level->get_resources()->min_menu_w);
 401 // pad for division
 402         key_x = widest_text + 5;
 403 // pad for border
 404         h += 2;
 405         return 0;
 406 }
 407
 408 int BC_MenuPopup::get_key_x()
 409 {
 410         return key_x;
 411 }
 412
 413 BC_Popup* BC_MenuPopup::get_popup()
 414 {
 415         return popup;
 416 }
 417
 418 int BC_MenuPopup::cursor_inside()
 419 {
 420         if( !popup ) return 0;
 421         int x = popup->get_relative_cursor_x();
 422         if( x < 0 || x > popup->get_w() ) return 0;
 423         int y = popup->get_relative_cursor_y();
 424         if( y < 0 || y > popup->get_h() ) return 0;
 425         return 1;
 426 }
 427
 428 int BC_MenuPopup::get_w()
 429 {
 430         return w;
 431 }
 432
 433
 434
 435
 436
 437 // ================================= Sub Menu ==================================
 438
 439 BC_SubMenu::BC_SubMenu() : BC_MenuPopup()
 440 {
 441 }
 442
 443 BC_SubMenu::~BC_SubMenu()
 444 {
 445 }
 446
 447 int BC_SubMenu::add_submenuitem(BC_MenuItem *item)
 448 {
 449         add_item(item);
 450         return 0;
 451 }
 452