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                 submenu->popup_menu = 0;
 134                 highlighted = 0;
 135         }
 136         return 0;
 137 }
 138
 139 int BC_MenuItem::activate_submenu()
 140 {
 141         int new_x, new_y;
 142         if(menu_popup->popup && submenu && !submenu->popup)
 143         {
 144                 Window tempwin;
 145                 XTranslateCoordinates(top_level->display,
 146                         menu_popup->get_popup()->win,
 147                         top_level->rootwin,
 148                         0,
 149                         y,
 150                         &new_x,
 151                         &new_y,
 152                         &tempwin);
 153                 submenu->popup_menu = menu_popup->popup_menu;
 154                 submenu->activate_menu(new_x + 5, new_y, menu_popup->w - 10, h, 0, 0);
 155                 highlighted = 1;
 156         }
 157         return 0;
 158 }
 159
 160
 161 int BC_MenuItem::dispatch_button_press()
 162 {
 163         int result = 0;
 164
 165         if(submenu)
 166         {
 167                 result = submenu->dispatch_button_press();
 168         }
 169
 170         if(!result && top_level->event_win == menu_popup->get_popup()->win)
 171         {
 172                 if(top_level->cursor_x >= 0 && top_level->cursor_x < menu_popup->get_w() &&
 173                         top_level->cursor_y >= y && top_level->cursor_y < y + h)
 174                 {
 175                         if(!highlighted)
 176                         {
 177                                 highlighted = 1;
 178                         }
 179                         result = 1;
 180                 }
 181                 else
 182                 if(highlighted)
 183                 {
 184                         highlighted = 0;
 185                         result = 1;
 186                 }
 187         }
 188
 189         return result;
 190 }
 191
 192 int BC_MenuItem::dispatch_button_release(int &redraw)
 193 {
 194         int result = 0;
 195         int cursor_x, cursor_y;
 196         Window tempwin;
 197
 198         if(!strcmp(text, "-")) return 0;
 199
 200         if(submenu)
 201         {
 202                 result = submenu->dispatch_button_release();
 203         }
 204
 205         if(!result)
 206         {
 207                 XTranslateCoordinates(top_level->display,
 208                         top_level->event_win,
 209                         menu_popup->get_popup()->win,
 210                         top_level->cursor_x,
 211                         top_level->cursor_y,
 212                         &cursor_x,
 213                         &cursor_y,
 214                         &tempwin);
 215
 216                 if(cursor_x >= 0 && cursor_x < menu_popup->get_w() &&
 217                         cursor_y >= y && cursor_y < y + h)
 218                 {
 219                         if(menu_bar)
 220                                 menu_bar->deactivate();
 221                         else
 222                                 menu_popup->popup_menu->deactivate();
 223
 224                         if(!handle_event() && menu_popup && menu_popup->popup_menu)
 225                         {
 226                                 menu_popup->popup_menu->set_text(text);
 227                                 menu_popup->popup_menu->handle_event();
 228                         }
 229                         return 1;
 230                 }
 231         }
 232         return 0;
 233 }
 234
 235 int BC_MenuItem::dispatch_motion_event(int &redraw)
 236 {
 237         int result = 0;
 238         int cursor_x, cursor_y;
 239
 240         if(submenu)
 241         {
 242                 result = submenu->dispatch_motion_event();
 243         }
 244
 245         top_level->translate_coordinates(top_level->event_win,
 246                 menu_popup->get_popup()->win,
 247                 top_level->cursor_x,
 248                 top_level->cursor_y,
 249                 &cursor_x,
 250                 &cursor_y);
 251
 252         if(cursor_x >= 0 && cursor_x < menu_popup->get_w() &&
 253                 cursor_y >= y && cursor_y < y + h)
 254         {
 255 // Highlight the item
 256                 if(!highlighted)
 257                 {
 258 // Deactivate submenus in the parent menu excluding this one.
 259                         menu_popup->deactivate_submenus(submenu);
 260                         highlighted = 1;
 261                         if(submenu) activate_submenu();
 262                         redraw = 1;
 263                 }
 264                 result = 1;
 265         }
 266         else
 267         if(highlighted)
 268         {
 269                 highlighted = 0;
 270                 result = 1;
 271                 redraw = 1;
 272         }
 273         return result;
 274 }
 275
 276 int BC_MenuItem::dispatch_translation_event()
 277 {
 278         if(submenu)
 279                 submenu->dispatch_translation_event();
 280         return 0;
 281 }
 282
 283 int BC_MenuItem::dispatch_cursor_leave()
 284 {
 285         int result = 0;
 286         if(submenu)
 287         {
 288                 result = submenu->dispatch_cursor_leave();
 289         }
 290
 291         if(!result && highlighted && top_level->event_win == menu_popup->get_popup()->win)
 292         {
 293                 highlighted = 0;
 294                 return 1;
 295         }
 296         return 0;
 297 }
 298
 299 int BC_MenuItem::dispatch_key_press()
 300 {
 301         int result = 0;
 302         if(submenu)
 303         {
 304                 result = submenu->dispatch_key_press();
 305         }
 306
 307         if(!result)
 308         {
 309
 310                 if(top_level->get_keypress() == hotkey &&
 311                         shift_hotkey == top_level->shift_down() &&
 312                         alt_hotkey == top_level->alt_down() &&
 313                         ctrl_hotkey == top_level->ctrl_down())
 314                 {
 315                         result = 1;
 316                         handle_event();
 317                 }
 318         }
 319         return result;
 320 }
 321
 322
 323 int BC_MenuItem::draw()
 324 {
 325         int text_line = top_level->get_text_descent(MEDIUMFONT);
 326         BC_Resources *resources = top_level->get_resources();
 327
 328         if(!strcmp(text, "-"))
 329         {
 330                 menu_popup->get_popup()->set_color(DKGREY);
 331                 menu_popup->get_popup()->draw_line(5, y + h / 2, menu_popup->get_w() - 5, y + h / 2);
 332                 menu_popup->get_popup()->set_color(LTGREY);
 333                 menu_popup->get_popup()->draw_line(5, y + h / 2 + 1, menu_popup->get_w() - 5, y + h / 2 + 1);
 334         }
 335         else
 336         {
 337                 int offset = 0;
 338                 if(highlighted)
 339                 {
 340                         int y = this->y;
 341                         //int w = menu_popup->get_w() - 4;
 342                         int h = this->h;
 343
 344 // Button down
 345                         if(top_level->get_button_down() && !submenu)
 346                         {
 347                                 if(menu_popup->item_bg[MENUITEM_DN])
 348                                 {
 349 //                                      menu_popup->get_popup()->draw_9segment(MENUITEM_MARGIN,
 350 //                                              y,
 351 //                                              menu_popup->get_w() - MENUITEM_MARGIN * 2,
 352 //                                              h,
 353 //                                              menu_popup->item_bg[MENUITEM_DN]);
 354                                         menu_popup->get_popup()->draw_3segmenth(MENUITEM_MARGIN,
 355                                                 y,
 356                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 357                                                 menu_popup->item_bg[MENUITEM_DN]);
 358                                 }
 359                                 else
 360                                 {
 361                                         menu_popup->get_popup()->draw_3d_box(MENUITEM_MARGIN,
 362                                                 y,
 363                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 364                                                 h,
 365                                                 resources->menu_shadow,
 366                                                 BLACK,
 367                                                 resources->menu_down,
 368                                                 resources->menu_down,
 369                                                 resources->menu_light);
 370                                 }
 371                                 offset = 1;
 372                         }
 373                         else
 374 // Highlighted
 375                         {
 376                                 if(menu_popup->item_bg[MENUITEM_HI])
 377                                 {
 378 //                                      menu_popup->get_popup()->draw_9segment(MENUITEM_MARGIN,
 379 //                                              y,
 380 //                                              menu_popup->get_w() - MENUITEM_MARGIN * 2,
 381 //                                              h,
 382 //                                              menu_popup->item_bg[MENUITEM_HI]);
 383                                         menu_popup->get_popup()->draw_3segmenth(MENUITEM_MARGIN,
 384                                                 y,
 385                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 386                                                 menu_popup->item_bg[MENUITEM_HI]);
 387                                 }
 388                                 else
 389                                 {
 390                                         menu_popup->get_popup()->set_color(resources->menu_highlighted);
 391                                         menu_popup->get_popup()->draw_box(MENUITEM_MARGIN,
 392                                                 y,
 393                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 394                                                 h);
 395                                 }
 396                         }
 397                         menu_popup->get_popup()->set_color(resources->menu_highlighted_fontcolor);
 398                 }
 399                 else
 400                   {
 401                 menu_popup->get_popup()->set_color(resources->menu_item_text);
 402                   }
 403                 if(checked)
 404                 {
 405 //                      menu_popup->get_popup()->draw_check(10 + offset, y + 2 + offset);
 406                         menu_popup->get_popup()->draw_pixmap(menu_popup->check,
 407                                 offset,
 408                                 y + (this->h - menu_popup->check->get_h()) / 2 + offset);
 409                         menu_popup->get_popup()->set_font(MEDIUMFONT);
 410                         menu_popup->get_popup()->draw_text(menu_popup->check->get_w() + offset,
 411                                 y + h - text_line - 2 + offset,
 412                                 text);
 413                         menu_popup->get_popup()->draw_text(menu_popup->get_key_x() + offset,
 414                                 y + h - text_line - 2 + offset,
 415                                 hotkey_text);
 416                 }
 417                 else
 418                 {
 419                         menu_popup->get_popup()->set_font(MEDIUMFONT);
 420                         menu_popup->get_popup()->draw_text(10 + offset, y + h - text_line - 2 + offset, text);
 421                         menu_popup->get_popup()->draw_text(menu_popup->get_key_x() + offset, y + h - text_line - 2 + offset, hotkey_text);
 422                 }
 423         }
 424         return 0;
 425 }
 426
 427
 428 int BC_MenuItem::add_submenu(BC_SubMenu *submenu)
 429 {
 430         this->submenu = submenu;
 431         submenu->initialize(top_level, menu_bar, 0, this, 0);
 432         return 0;
 433 }
 434
 435 BC_SubMenu* BC_MenuItem::get_submenu()
 436 {
 437         return submenu;
 438 }
 439
 440 char* BC_MenuItem::get_text()
 441 {
 442         return text;
 443 }
 444
 445 BC_WindowBase* BC_MenuItem::get_top_level()
 446 {
 447         return top_level;
 448 }
 449
 450 BC_PopupMenu* BC_MenuItem::get_popup_menu()
 451 {
 452         return menu_popup->popup_menu;
 453 }
 454
 455 int BC_MenuItem::set_shift(int value)
 456 {
 457         shift_hotkey = value;
 458         return 0;
 459 }
 460
 461 int BC_MenuItem::set_alt(int value)
 462 {
 463         alt_hotkey = value;
 464         return 0;
 465 }
 466
 467 void BC_MenuItem::set_ctrl(int value)
 468 {
 469         ctrl_hotkey = value;
 470 }
 471