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         check = 0;
  49 }
  50
  51 BC_MenuPopup::~BC_MenuPopup()
  52 {
  53         while(menu_items.size())
  54         {
  55 // Each menuitem recursively removes itself from the arraylist
  56                 delete menu_items.get(0);
  57         }
  58
  59         delete window_bg;
  60         delete item_bg[0];
  61         delete item_bg[1];
  62         delete item_bg[2];
  63         delete check;
  64 }
  65
  66 int BC_MenuPopup::initialize(BC_WindowBase *top_level,
  67                 BC_MenuBar *menu_bar,
  68                 BC_Menu *menu,
  69                 BC_MenuItem *menu_item,
  70                 BC_PopupMenu *popup_menu)
  71 {
  72         popup = 0;
  73         active = 0;
  74         this->menu = menu;
  75         this->menu_bar = menu_bar;
  76         this->menu_item = menu_item;
  77         this->popup_menu = popup_menu;
  78         this->top_level = top_level;
  79
  80         if(menu_item) this->type = MENUPOPUP_SUBMENU;
  81         else
  82         if(menu) this->type = MENUPOPUP_MENUBAR;
  83         else
  84         if(popup_menu) this->type = MENUPOPUP_POPUP;
  85
  86         BC_Resources *resources = top_level->get_resources();
  87         if(resources->menu_popup_bg)
  88         {
  89                 window_bg = new BC_Pixmap(top_level, resources->menu_popup_bg);
  90         }
  91
  92         if(resources->menu_item_bg)
  93         {
  94                 item_bg[0] = new BC_Pixmap(top_level, resources->menu_item_bg[0], PIXMAP_ALPHA);
  95                 item_bg[1] = new BC_Pixmap(top_level, resources->menu_item_bg[1], PIXMAP_ALPHA);
  96                 item_bg[2] = new BC_Pixmap(top_level, resources->menu_item_bg[2], PIXMAP_ALPHA);
  97         }
  98
  99         if(resources->check)
 100         {
 101                 check = new BC_Pixmap(top_level, resources->check, PIXMAP_ALPHA);
 102         }
 103
 104         return 0;
 105 }
 106
 107 int BC_MenuPopup::add_item(BC_MenuItem *item)
 108 {
 109         menu_items.append(item);
 110         item->initialize(top_level, menu_bar, this);
 111         return 0;
 112 }
 113
 114 int BC_MenuPopup::remove_item(BC_MenuItem *item, int recursive)
 115 {
 116         if(!item && menu_items.size() > 0)
 117         {
 118                 item = menu_items.get(menu_items.size() - 1);
 119         }
 120
 121         if(item)
 122         {
 123                 menu_items.remove(item);
 124                 item->menu_popup = 0;
 125                 if(!recursive) delete item;
 126         }
 127         return 0;
 128 }
 129
 130 int BC_MenuPopup::total_menuitems()
 131 {
 132         return menu_items.total;
 133 }
 134
 135 int BC_MenuPopup::dispatch_button_press()
 136 {
 137         int result = 0;
 138         if(popup)
 139         {
 140                 for(int i = 0; i < menu_items.total && !result; i++)
 141                 {
 142                         result = menu_items.values[i]->dispatch_button_press();
 143                 }
 144                 if(result) draw_items();
 145         }
 146         return 0;
 147 }
 148
 149 int BC_MenuPopup::dispatch_button_release()
 150 {
 151         int result = 0, redraw = 0;
 152         if(popup)
 153         {
 154                 for(int i = 0; i < menu_items.total && !result; i++)
 155                 {
 156                         result = menu_items.values[i]->dispatch_button_release(redraw);
 157                 }
 158                 if(redraw) draw_items();
 159         }
 160         return result;
 161 }
 162
 163 int BC_MenuPopup::dispatch_key_press()
 164 {
 165         int result = 0;
 166         for(int i = 0; i < menu_items.total && !result; i++)
 167         {
 168                 result = menu_items.values[i]->dispatch_key_press();
 169         }
 170         return result;
 171 }
 172
 173 int BC_MenuPopup::dispatch_motion_event()
 174 {
 175         int i, result = 0, redraw = 0;
 176
 177         if(popup)
 178         {
 179 // Try submenus and items
 180                 for(i = 0; i < menu_items.total; i++)
 181                 {
 182                         result |= menu_items.values[i]->dispatch_motion_event(redraw);
 183                 }
 184
 185                 if(redraw) draw_items();
 186         }
 187
 188         return result;
 189 }
 190
 191 int BC_MenuPopup::dispatch_translation_event()
 192 {
 193         if(popup)
 194         {
 195                 int new_x = x +
 196                         (top_level->last_translate_x -
 197                         top_level->prev_x -
 198                         top_level->get_resources()->get_left_border());
 199                 int new_y = y +
 200                         (top_level->last_translate_y -
 201                         top_level->prev_y -
 202                         top_level->get_resources()->get_top_border());
 203
 204 // printf("BC_MenuPopup::dispatch_translation_event %d %d %d %d\n",
 205 // top_level->prev_x,
 206 // top_level->last_translate_x,
 207 // top_level->prev_y,
 208 // top_level->last_translate_y);
 209                 popup->reposition_window(new_x, new_y, popup->get_w(), popup->get_h());
 210                 top_level->flush();
 211                 this->x = new_x;
 212                 this->y = new_y;
 213
 214                 for(int i = 0; i < menu_items.total; i++)
 215                 {
 216                         menu_items.values[i]->dispatch_translation_event();
 217                 }
 218         }
 219         return 0;
 220 }
 221
 222
 223 int BC_MenuPopup::dispatch_cursor_leave()
 224 {
 225         int result = 0;
 226
 227         if(popup)
 228         {
 229                 for(int i = 0; i < menu_items.total; i++)
 230                 {
 231                         result |= menu_items.values[i]->dispatch_cursor_leave();
 232                 }
 233                 if(result) draw_items();
 234         }
 235         return 0;
 236 }
 237
 238 int BC_MenuPopup::activate_menu(int x,
 239         int y,
 240         int w,
 241         int h,
 242         int top_window_coords,
 243         int vertical_justify)
 244 {
 245         Window tempwin;
 246         int new_x, new_y;
 247         int top_x0 = top_level->get_screen_x(0, -1);
 248         int top_y0 = top_level->get_screen_y(0, -1);
 249         int top_x1 = top_x0 + top_level->get_screen_w(0, -1);
 250         int top_y1 = top_y0 + top_level->get_screen_h(0, -1);
 251
 252         get_dimensions();
 253
 254 // Coords are relative to the main window
 255         if(top_window_coords)
 256                 XTranslateCoordinates(top_level->display,
 257                         top_level->win,
 258                         top_level->rootwin,
 259                         x,
 260                         y,
 261                         &new_x,
 262                         &new_y,
 263                         &tempwin);
 264         else
 265 // Coords are absolute
 266         {
 267                 new_x = x;
 268                 new_y = y;
 269         }
 270
 271 // All coords are now relative to root window.
 272         if(vertical_justify)
 273         {
 274                 this->x = new_x;
 275                 this->y = new_y + h;
 276                 if( this->x < top_x0 ) this->x = top_x0;
 277                 if( this->y < top_y0 ) this->y = top_y0;
 278                 if(this->x + this->w > top_x1) this->x -= this->x + this->w - top_x1; // Right justify
 279                 if(this->y + this->h > top_y1) this->y -= this->h + h; // Bottom justify
 280 // Avoid top of menu going out of screen
 281                 if(this->y < 0)
 282                         this->y = 2;
 283         }
 284         else
 285         {
 286                 this->x = new_x + w;
 287                 this->y = new_y;
 288                 if( this->x < top_x0 ) this->x = top_x0;
 289                 if( this->y < top_y0 ) this->y = top_y0;
 290                 if(this->x + this->w > top_x1) this->x = new_x - this->w;
 291                 if(this->y + this->h > top_y1) this->y = new_y + h - this->h;
 292         }
 293         top_x0 += 2;  top_y0 += 2;
 294         if( this->x < top_x0 ) this->x = top_x0;
 295         if( this->y < top_y0 ) this->y = top_y0;
 296
 297         active = 1;
 298         if(menu_bar)
 299         {
 300                 popup = new BC_Popup(menu_bar, this->x, this->y, this->w, this->h,
 301                                         top_level->get_resources()->menu_up,
 302                                         1,
 303                                         menu_bar->bg_pixmap);
 304         }
 305         else
 306         {
 307                 popup = new BC_Popup(top_level, this->x, this->y, this->w, this->h,
 308                                         top_level->get_resources()->menu_up,
 309                                         1,
 310                                         0);
 311 //              popup->set_background(top_level->get_resources()->menu_bg);
 312         }
 313         draw_items();
 314         popup->show_window();
 315         return 0;
 316 }
 317
 318 int BC_MenuPopup::deactivate_submenus(BC_MenuPopup *exclude)
 319 {
 320         for(int i = 0; i < menu_items.total; i++)
 321         {
 322                 menu_items.values[i]->deactivate_submenus(exclude);
 323         }
 324         return 0;
 325 }
 326
 327 int BC_MenuPopup::deactivate_menu()
 328 {
 329         deactivate_submenus(0);
 330
 331         if(popup) delete popup;
 332         popup = 0;
 333         active = 0;
 334
 335         return 0;
 336 }
 337
 338 int BC_MenuPopup::draw_items()
 339 {
 340         if(menu_bar)
 341                 popup->draw_top_tiles(menu_bar, 0, 0, w, h);
 342         else
 343                 popup->draw_top_tiles(popup, 0, 0, w, h);
 344
 345         if(window_bg)
 346         {
 347                 popup->draw_9segment(0, 0, w, h, window_bg);
 348         }
 349         else
 350         {
 351                 popup->draw_3d_border(0, 0, w, h,
 352                         top_level->get_resources()->menu_light,
 353                         top_level->get_resources()->menu_up,
 354                         top_level->get_resources()->menu_shadow,
 355                         BLACK);
 356         }
 357
 358         for(int i = 0; i < menu_items.total; i++)
 359         {
 360                 menu_items.values[i]->draw();
 361         }
 362         popup->flash();
 363
 364
 365         return 0;
 366 }
 367
 368 int BC_MenuPopup::get_dimensions()
 369 {
 370         int widest_text = 10, widest_key = 10;
 371         int text_w, key_w;
 372         int i = 0;
 373
 374 // pad for border
 375         h = 2;
 376 // Set up parameters in each item and get total h.
 377         for(i = 0; i < menu_items.total; i++)
 378         {
 379                 text_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->text);
 380                 if(menu_items.values[i]->checked) text_w += check->get_w() + 1;
 381
 382                 key_w = 10 + top_level->get_text_width(MEDIUMFONT, menu_items.values[i]->hotkey_text);
 383                 if(text_w > widest_text) widest_text = text_w;
 384                 if(key_w > widest_key) widest_key = key_w;
 385
 386                 if(!strcmp(menu_items.values[i]->text, "-"))
 387                         menu_items.values[i]->h = 5;
 388                 else
 389                 {
 390                         menu_items.values[i]->h = item_bg[0] ? item_bg[0]->get_h() :
 391                                 top_level->get_text_height(MEDIUMFONT) + 4;
 392                 }
 393
 394                 menu_items.values[i]->y = h;
 395                 menu_items.values[i]->highlighted = 0;
 396                 menu_items.values[i]->down = 0;
 397                 h += menu_items.values[i]->h;
 398         }
 399         w = widest_text + widest_key + 10;
 400
 401         w = MAX(w, top_level->get_resources()->min_menu_w);
 402 // pad for division
 403         key_x = widest_text + 5;
 404 // pad for border
 405         h += 2;
 406         return 0;
 407 }
 408
 409 int BC_MenuPopup::get_key_x()
 410 {
 411         return key_x;
 412 }
 413
 414 BC_Popup* BC_MenuPopup::get_popup()
 415 {
 416         return popup;
 417 }
 418
 419 int BC_MenuPopup::cursor_inside()
 420 {
 421         if( !popup ) return 0;
 422         int x = popup->get_relative_cursor_x();
 423         if( x < 0 || x > popup->get_w() ) return 0;
 424         int y = popup->get_relative_cursor_y();
 425         if( y < 0 || y > popup->get_h() ) return 0;
 426         return 1;
 427 }
 428
 429 int BC_MenuPopup::get_w()
 430 {
 431         return w;
 432 }
 433
 434
 435
 436
 437
 438 // ================================= Sub Menu ==================================
 439
 440 BC_SubMenu::BC_SubMenu() : BC_MenuPopup()
 441 {
 442 }
 443
 444 BC_SubMenu::~BC_SubMenu()
 445 {
 446 }
 447
 448 int BC_SubMenu::add_submenuitem(BC_MenuItem *item)
 449 {
 450         add_item(item);
 451         return 0;
 452 }
 453