cinelerra-5.1/guicast/bcmenuitem.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 "bcpopupmenu.h"
  28 #include "bcresources.h"
  29 #include "bcsignals.h"
  30 #include "bcwindowbase.h"
  31 #include "colors.h"
  32
  33 #include <string.h>
  34
  35
  36 #define MENUITEM_UP 0
  37 #define MENUITEM_HI 1
  38 #define MENUITEM_DN 2
  39
  40
  41 #define MENUITEM_MARGIN 2
  42
  43 // ================================ Menu Item ==================================
  44
  45 BC_MenuItem::BC_MenuItem(const char *text, const char *hotkey_text, int hotkey)
  46 {
  47         reset();
  48
  49         if(text) set_text(text);
  50         if(hotkey_text) set_hotkey_text(hotkey_text);
  51
  52         this->hotkey = hotkey;
  53         checked = 0;
  54         highlighted = 0;
  55         down = 0;
  56         submenu = 0;
  57         shift_hotkey = 0;
  58         alt_hotkey = 0;
  59         ctrl_hotkey = 0;
  60         menu_popup = 0;
  61 }
  62
  63 BC_MenuItem::~BC_MenuItem()
  64 {
  65         if(text) delete [] text;
  66         text = 0;
  67         if(hotkey_text) delete [] hotkey_text;
  68         hotkey_text = 0;
  69         if(submenu) delete submenu;
  70         submenu = 0;
  71         if(menu_popup)
  72                 menu_popup->remove_item(this);
  73 }
  74
  75 void BC_MenuItem::reset()
  76 {
  77         text = new char[1];
  78         hotkey_text = new char[1];
  79         text[0] = 0;
  80         hotkey_text[0] = 0;
  81         icon = 0;
  82 }
  83
  84 int BC_MenuItem::initialize(BC_WindowBase *top_level, BC_MenuBar *menu_bar, BC_MenuPopup *menu_popup)
  85 {
  86         this->top_level = top_level;
  87         this->menu_popup = menu_popup;
  88         this->menu_bar = menu_bar;
  89         return 0;
  90 }
  91
  92 int BC_MenuItem::set_checked(int value)
  93 {
  94         this->checked = value;
  95         return 0;
  96 }
  97
  98 int BC_MenuItem::get_checked()
  99 {
 100         return checked;
 101 }
 102
 103 void BC_MenuItem::set_icon(BC_Pixmap *icon)
 104 {
 105         this->icon = icon;
 106 }
 107
 108 BC_Pixmap* BC_MenuItem::get_icon()
 109 {
 110         return icon;
 111 }
 112
 113 void BC_MenuItem::set_text(const char *text)
 114 {
 115         if(this->text) delete [] this->text;
 116         this->text = new char[strlen(text) + 1];
 117         strcpy(this->text, text);
 118 }
 119
 120 void BC_MenuItem::set_hotkey_text(const char *text)
 121 {
 122         if(this->hotkey_text) delete [] this->hotkey_text;
 123         this->hotkey_text = new char[strlen(text) + 1];
 124         strcpy(this->hotkey_text, text);
 125 }
 126
 127 int BC_MenuItem::deactivate_submenus(BC_MenuPopup *exclude)
 128 {
 129         if(submenu && submenu != exclude)
 130         {
 131                 submenu->deactivate_submenus(exclude);
 132                 submenu->deactivate_menu();
 133                 highlighted = 0;
 134         }
 135         return 0;
 136 }
 137
 138 int BC_MenuItem::activate_submenu()
 139 {
 140         int new_x, new_y;
 141         if(menu_popup->popup && submenu && !submenu->popup)
 142         {
 143                 Window tempwin;
 144                 XTranslateCoordinates(top_level->display,
 145                         menu_popup->get_popup()->win,
 146                         top_level->rootwin,
 147                         0,
 148                         y,
 149                         &new_x,
 150                         &new_y,
 151                         &tempwin);
 152                 submenu->activate_menu(new_x + 5, new_y, menu_popup->w - 10, h, 0, 0);
 153                 highlighted = 1;
 154         }
 155         return 0;
 156 }
 157
 158
 159 int BC_MenuItem::dispatch_button_press()
 160 {
 161         int result = 0;
 162
 163         if(submenu)
 164         {
 165                 result = submenu->dispatch_button_press();
 166         }
 167
 168         if(!result && top_level->event_win == menu_popup->get_popup()->win)
 169         {
 170                 if(top_level->cursor_x >= 0 && top_level->cursor_x < menu_popup->get_w() &&
 171                         top_level->cursor_y >= y && top_level->cursor_y < y + h)
 172                 {
 173                         if(!highlighted)
 174                         {
 175                                 highlighted = 1;
 176                         }
 177                         result = 1;
 178                 }
 179                 else
 180                 if(highlighted)
 181                 {
 182                         highlighted = 0;
 183                         result = 1;
 184                 }
 185         }
 186
 187         return result;
 188 }
 189
 190 int BC_MenuItem::dispatch_button_release(int &redraw)
 191 {
 192         int result = 0;
 193         int cursor_x, cursor_y;
 194         Window tempwin;
 195
 196         if(!strcmp(text, "-")) return 0;
 197
 198         if(submenu)
 199         {
 200                 result = submenu->dispatch_button_release();
 201         }
 202
 203         if(!result)
 204         {
 205                 XTranslateCoordinates(top_level->display,
 206                         top_level->event_win,
 207                         menu_popup->get_popup()->win,
 208                         top_level->cursor_x,
 209                         top_level->cursor_y,
 210                         &cursor_x,
 211                         &cursor_y,
 212                         &tempwin);
 213
 214                 if(cursor_x >= 0 && cursor_x < menu_popup->get_w() &&
 215                         cursor_y >= y && cursor_y < y + h)
 216                 {
 217                         if(menu_bar)
 218                                 menu_bar->deactivate();
 219                         else
 220                                 menu_popup->popup_menu->deactivate();
 221
 222                         if(!handle_event() && menu_popup && menu_popup->popup_menu)
 223                         {
 224                                 menu_popup->popup_menu->set_text(text);
 225                                 menu_popup->popup_menu->handle_event();
 226                         }
 227                         return 1;
 228                 }
 229         }
 230         return 0;
 231 }
 232
 233 int BC_MenuItem::dispatch_motion_event(int &redraw)
 234 {
 235         int result = 0;
 236         int cursor_x, cursor_y;
 237
 238         if(submenu)
 239         {
 240                 result = submenu->dispatch_motion_event();
 241         }
 242
 243         top_level->translate_coordinates(top_level->event_win,
 244                 menu_popup->get_popup()->win,
 245                 top_level->cursor_x,
 246                 top_level->cursor_y,
 247                 &cursor_x,
 248                 &cursor_y);
 249
 250         if(cursor_x >= 0 && cursor_x < menu_popup->get_w() &&
 251                 cursor_y >= y && cursor_y < y + h)
 252         {
 253 // Highlight the item
 254                 if(!highlighted)
 255                 {
 256 // Deactivate submenus in the parent menu excluding this one.
 257                         menu_popup->deactivate_submenus(submenu);
 258                         highlighted = 1;
 259                         if(submenu) activate_submenu();
 260                         redraw = 1;
 261                 }
 262                 result = 1;
 263         }
 264         else
 265         if(highlighted)
 266         {
 267                 highlighted = 0;
 268                 result = 1;
 269                 redraw = 1;
 270         }
 271         return result;
 272 }
 273
 274 int BC_MenuItem::dispatch_translation_event()
 275 {
 276         if(submenu)
 277                 submenu->dispatch_translation_event();
 278         return 0;
 279 }
 280
 281 int BC_MenuItem::dispatch_cursor_leave()
 282 {
 283         int result = 0;
 284         if(submenu)
 285         {
 286                 result = submenu->dispatch_cursor_leave();
 287         }
 288
 289         if(!result && highlighted && top_level->event_win == menu_popup->get_popup()->win)
 290         {
 291                 highlighted = 0;
 292                 return 1;
 293         }
 294         return 0;
 295 }
 296
 297 int BC_MenuItem::dispatch_key_press()
 298 {
 299         int result = 0;
 300         if(submenu)
 301         {
 302                 result = submenu->dispatch_key_press();
 303         }
 304
 305         if(!result)
 306         {
 307
 308                 if(top_level->get_keypress() == hotkey &&
 309                         shift_hotkey == top_level->shift_down() &&
 310                         alt_hotkey == top_level->alt_down() &&
 311                         ctrl_hotkey == top_level->ctrl_down())
 312                 {
 313                         result = 1;
 314                         handle_event();
 315                 }
 316         }
 317         return result;
 318 }
 319
 320
 321 int BC_MenuItem::draw()
 322 {
 323         int text_line = top_level->get_text_descent(MEDIUMFONT);
 324         BC_Resources *resources = top_level->get_resources();
 325
 326         if(!strcmp(text, "-"))
 327         {
 328                 menu_popup->get_popup()->set_color(DKGREY);
 329                 menu_popup->get_popup()->draw_line(5, y + h / 2, menu_popup->get_w() - 5, y + h / 2);
 330                 menu_popup->get_popup()->set_color(LTGREY);
 331                 menu_popup->get_popup()->draw_line(5, y + h / 2 + 1, menu_popup->get_w() - 5, y + h / 2 + 1);
 332         }
 333         else
 334         {
 335                 int offset = 0;
 336                 if(highlighted)
 337                 {
 338                         int y = this->y;
 339                         //int w = menu_popup->get_w() - 4;
 340                         int h = this->h;
 341
 342 // Button down
 343                         if(top_level->get_button_down() && !submenu)
 344                         {
 345                                 if(menu_popup->item_bg[MENUITEM_DN])
 346                                 {
 347 //                                      menu_popup->get_popup()->draw_9segment(MENUITEM_MARGIN,
 348 //                                              y,
 349 //                                              menu_popup->get_w() - MENUITEM_MARGIN * 2,
 350 //                                              h,
 351 //                                              menu_popup->item_bg[MENUITEM_DN]);
 352                                         menu_popup->get_popup()->draw_3segmenth(MENUITEM_MARGIN,
 353                                                 y,
 354                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 355                                                 menu_popup->item_bg[MENUITEM_DN]);
 356                                 }
 357                                 else
 358                                 {
 359                                         menu_popup->get_popup()->draw_3d_box(MENUITEM_MARGIN,
 360                                                 y,
 361                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 362                                                 h,
 363                                                 resources->menu_shadow,
 364                                                 BLACK,
 365                                                 resources->menu_down,
 366                                                 resources->menu_down,
 367                                                 resources->menu_light);
 368                                 }
 369                                 offset = 1;
 370                         }
 371                         else
 372 // Highlighted
 373                         {
 374                                 if(menu_popup->item_bg[MENUITEM_HI])
 375                                 {
 376 //                                      menu_popup->get_popup()->draw_9segment(MENUITEM_MARGIN,
 377 //                                              y,
 378 //                                              menu_popup->get_w() - MENUITEM_MARGIN * 2,
 379 //                                              h,
 380 //                                              menu_popup->item_bg[MENUITEM_HI]);
 381                                         menu_popup->get_popup()->draw_3segmenth(MENUITEM_MARGIN,
 382                                                 y,
 383                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 384                                                 menu_popup->item_bg[MENUITEM_HI]);
 385                                 }
 386                                 else
 387                                 {
 388                                         menu_popup->get_popup()->set_color(resources->menu_highlighted);
 389                                         menu_popup->get_popup()->draw_box(MENUITEM_MARGIN,
 390                                                 y,
 391                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 392                                                 h);
 393                                 }
 394                         }
 395                         menu_popup->get_popup()->set_color(resources->menu_highlighted_fontcolor);
 396                 }
 397                 else
 398                   {
 399                 menu_popup->get_popup()->set_color(resources->menu_item_text);
 400                   }
 401                 if(checked)
 402                 {
 403 //                      menu_popup->get_popup()->draw_check(10 + offset, y + 2 + offset);
 404                         menu_popup->get_popup()->draw_pixmap(menu_popup->check,
 405                                 offset,
 406                                 y + (this->h - menu_popup->check->get_h()) / 2 + offset);
 407                         menu_popup->get_popup()->set_font(MEDIUMFONT);
 408                         menu_popup->get_popup()->draw_text(menu_popup->check->get_w() + offset,
 409                                 y + h - text_line - 2 + offset,
 410                                 text);
 411                         menu_popup->get_popup()->draw_text(menu_popup->get_key_x() + offset,
 412                                 y + h - text_line - 2 + offset,
 413                                 hotkey_text);
 414                 }
 415                 else
 416                 {
 417                         menu_popup->get_popup()->set_font(MEDIUMFONT);
 418                         menu_popup->get_popup()->draw_text(10 + offset, y + h - text_line - 2 + offset, text);
 419                         menu_popup->get_popup()->draw_text(menu_popup->get_key_x() + offset, y + h - text_line - 2 + offset, hotkey_text);
 420                 }
 421         }
 422         return 0;
 423 }
 424
 425
 426 int BC_MenuItem::add_submenu(BC_SubMenu *submenu)
 427 {
 428         this->submenu = submenu;
 429         submenu->initialize(top_level, menu_bar, 0, this, 0);
 430         return 0;
 431 }
 432
 433 char* BC_MenuItem::get_text()
 434 {
 435         return text;
 436 }
 437
 438 BC_WindowBase* BC_MenuItem::get_top_level()
 439 {
 440         return top_level;
 441 }
 442
 443 BC_PopupMenu* BC_MenuItem::get_popup_menu()
 444 {
 445         return menu_popup->popup_menu;
 446 }
 447
 448 int BC_MenuItem::set_shift(int value)
 449 {
 450         shift_hotkey = value;
 451         return 0;
 452 }
 453
 454 int BC_MenuItem::set_alt(int value)
 455 {
 456         alt_hotkey = value;
 457         return 0;
 458 }
 459
 460 void BC_MenuItem::set_ctrl(int value)
 461 {
 462         ctrl_hotkey = value;
 463 }
 464