cinelerra-5.0/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 "bcwindowbase.h"
  30 #include "colors.h"
  31
  32 #include <string.h>
  33
  34
  35 #define MENUITEM_UP 0
  36 #define MENUITEM_HI 1
  37 #define MENUITEM_DN 2
  38
  39
  40 #define MENUITEM_MARGIN 2
  41
  42 // ================================ Menu Item ==================================
  43
  44 BC_MenuItem::BC_MenuItem(const char *text, const char *hotkey_text, int hotkey)
  45 {
  46         reset();
  47
  48         if(text) set_text(text);
  49         if(hotkey_text) set_hotkey_text(hotkey_text);
  50
  51         this->hotkey = hotkey;
  52         checked = 0;
  53         highlighted = 0;
  54         down = 0;
  55         submenu = 0;
  56         shift_hotkey = 0;
  57         alt_hotkey = 0;
  58         ctrl_hotkey = 0;
  59         menu_popup = 0;
  60 }
  61
  62 BC_MenuItem::~BC_MenuItem()
  63 {
  64         if(text) delete [] text;
  65         text = 0;
  66         if(hotkey_text) delete [] hotkey_text;
  67         hotkey_text = 0;
  68         if(submenu) delete submenu;
  69         submenu = 0;
  70 // deletes this
  71         if(menu_popup) menu_popup->remove_item(this, 1);
  72 }
  73
  74 void BC_MenuItem::reset()
  75 {
  76         text = new char[1];
  77         hotkey_text = new char[1];
  78         text[0] = 0;
  79         hotkey_text[0] = 0;
  80         icon = 0;
  81 }
  82
  83 int BC_MenuItem::initialize(BC_WindowBase *top_level, BC_MenuBar *menu_bar, BC_MenuPopup *menu_popup)
  84 {
  85         this->top_level = top_level;
  86         this->menu_popup = menu_popup;
  87         this->menu_bar = menu_bar;
  88         return 0;
  89 }
  90
  91 int BC_MenuItem::set_checked(int value)
  92 {
  93         this->checked = value;
  94         return 0;
  95 }
  96
  97 int BC_MenuItem::get_checked()
  98 {
  99         return checked;
 100 }
 101
 102 void BC_MenuItem::set_icon(BC_Pixmap *icon)
 103 {
 104         this->icon = icon;
 105 }
 106
 107 BC_Pixmap* BC_MenuItem::get_icon()
 108 {
 109         return icon;
 110 }
 111
 112 void BC_MenuItem::set_text(const char *text)
 113 {
 114         if(this->text) delete [] this->text;
 115         this->text = new char[strlen(text) + 1];
 116         strcpy(this->text, text);
 117 }
 118
 119 void BC_MenuItem::set_hotkey_text(const char *text)
 120 {
 121         if(this->hotkey_text) delete [] this->hotkey_text;
 122         this->hotkey_text = new char[strlen(text) + 1];
 123         strcpy(this->hotkey_text, text);
 124 }
 125
 126 int BC_MenuItem::deactivate_submenus(BC_MenuPopup *exclude)
 127 {
 128         if(submenu && submenu != exclude)
 129         {
 130                 submenu->deactivate_submenus(exclude);
 131                 submenu->deactivate_menu();
 132                 highlighted = 0;
 133         }
 134         return 0;
 135 }
 136
 137 int BC_MenuItem::activate_submenu()
 138 {
 139         int new_x, new_y;
 140         if(menu_popup->popup && submenu && !submenu->popup)
 141         {
 142                 Window tempwin;
 143                 XTranslateCoordinates(top_level->display,
 144                         menu_popup->get_popup()->win,
 145                         top_level->rootwin,
 146                         0,
 147                         y,
 148                         &new_x,
 149                         &new_y,
 150                         &tempwin);
 151                 submenu->activate_menu(new_x + 5, new_y, menu_popup->w - 10, h, 0, 0);
 152                 highlighted = 1;
 153         }
 154         return 0;
 155 }
 156
 157
 158 int BC_MenuItem::dispatch_button_press()
 159 {
 160         int result = 0;
 161
 162         if(submenu)
 163         {
 164                 result = submenu->dispatch_button_press();
 165         }
 166
 167         if(!result && top_level->event_win == menu_popup->get_popup()->win)
 168         {
 169                 if(top_level->cursor_x >= 0 && top_level->cursor_x < menu_popup->get_w() &&
 170                         top_level->cursor_y >= y && top_level->cursor_y < y + h)
 171                 {
 172                         if(!highlighted)
 173                         {
 174                                 highlighted = 1;
 175                         }
 176                         result = 1;
 177                 }
 178                 else
 179                 if(highlighted)
 180                 {
 181                         highlighted = 0;
 182                         result = 1;
 183                 }
 184         }
 185
 186         return result;
 187 }
 188
 189 int BC_MenuItem::dispatch_button_release(int &redraw)
 190 {
 191         int result = 0;
 192         int cursor_x, cursor_y;
 193         Window tempwin;
 194
 195         if(!strcmp(text, "-")) return 0;
 196
 197         if(submenu)
 198         {
 199                 result = submenu->dispatch_button_release();
 200         }
 201
 202         if(!result)
 203         {
 204                 XTranslateCoordinates(top_level->display,
 205                         top_level->event_win,
 206                         menu_popup->get_popup()->win,
 207                         top_level->cursor_x,
 208                         top_level->cursor_y,
 209                         &cursor_x,
 210                         &cursor_y,
 211                         &tempwin);
 212
 213                 if(cursor_x >= 0 && cursor_x < menu_popup->get_w() &&
 214                         cursor_y >= y && cursor_y < y + h)
 215                 {
 216                         if(menu_bar)
 217                                 menu_bar->deactivate();
 218                         else
 219                                 menu_popup->popup_menu->deactivate();
 220
 221                         if(!handle_event() && menu_popup && menu_popup->popup_menu)
 222                         {
 223                                 menu_popup->popup_menu->set_text(text);
 224                                 menu_popup->popup_menu->handle_event();
 225                         }
 226                         return 1;
 227                 }
 228         }
 229         return 0;
 230 }
 231
 232 int BC_MenuItem::dispatch_motion_event(int &redraw)
 233 {
 234         int result = 0;
 235         int cursor_x, cursor_y;
 236
 237         if(submenu)
 238         {
 239                 result = submenu->dispatch_motion_event();
 240         }
 241
 242         top_level->translate_coordinates(top_level->event_win,
 243                 menu_popup->get_popup()->win,
 244                 top_level->cursor_x,
 245                 top_level->cursor_y,
 246                 &cursor_x,
 247                 &cursor_y);
 248
 249         if(cursor_x >= 0 && cursor_x < menu_popup->get_w() &&
 250                 cursor_y >= y && cursor_y < y + h)
 251         {
 252 // Highlight the item
 253                 if(!highlighted)
 254                 {
 255 // Deactivate submenus in the parent menu excluding this one.
 256                         menu_popup->deactivate_submenus(submenu);
 257                         highlighted = 1;
 258                         if(submenu) activate_submenu();
 259                         redraw = 1;
 260                 }
 261                 result = 1;
 262         }
 263         else
 264         if(highlighted)
 265         {
 266                 highlighted = 0;
 267                 result = 1;
 268                 redraw = 1;
 269         }
 270         return result;
 271 }
 272
 273 int BC_MenuItem::dispatch_translation_event()
 274 {
 275         if(submenu)
 276                 submenu->dispatch_translation_event();
 277         return 0;
 278 }
 279
 280 int BC_MenuItem::dispatch_cursor_leave()
 281 {
 282         int result = 0;
 283         if(submenu)
 284         {
 285                 result = submenu->dispatch_cursor_leave();
 286         }
 287
 288         if(!result && highlighted && top_level->event_win == menu_popup->get_popup()->win)
 289         {
 290                 highlighted = 0;
 291                 return 1;
 292         }
 293         return 0;
 294 }
 295
 296 int BC_MenuItem::dispatch_key_press()
 297 {
 298         int result = 0;
 299         if(submenu)
 300         {
 301                 result = submenu->dispatch_key_press();
 302         }
 303
 304         if(!result)
 305         {
 306
 307                 if(top_level->get_keypress() == hotkey &&
 308                         shift_hotkey == top_level->shift_down() &&
 309                         alt_hotkey == top_level->alt_down() &&
 310                         ctrl_hotkey == top_level->ctrl_down())
 311                 {
 312                         result = 1;
 313                         handle_event();
 314                 }
 315         }
 316         return result;
 317 }
 318
 319
 320 int BC_MenuItem::draw()
 321 {
 322         int text_line = top_level->get_text_descent(MEDIUMFONT);
 323         BC_Resources *resources = top_level->get_resources();
 324
 325         if(!strcmp(text, "-"))
 326         {
 327                 menu_popup->get_popup()->set_color(DKGREY);
 328                 menu_popup->get_popup()->draw_line(5, y + h / 2, menu_popup->get_w() - 5, y + h / 2);
 329                 menu_popup->get_popup()->set_color(LTGREY);
 330                 menu_popup->get_popup()->draw_line(5, y + h / 2 + 1, menu_popup->get_w() - 5, y + h / 2 + 1);
 331         }
 332         else
 333         {
 334                 int offset = 0;
 335                 if(highlighted)
 336                 {
 337                         int y = this->y;
 338                         //int w = menu_popup->get_w() - 4;
 339                         int h = this->h;
 340
 341 // Button down
 342                         if(top_level->get_button_down() && !submenu)
 343                         {
 344                                 if(menu_popup->item_bg[MENUITEM_DN])
 345                                 {
 346                                         menu_popup->get_popup()->draw_9segment(MENUITEM_MARGIN,
 347                                                 y,
 348                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 349                                                 h,
 350                                                 menu_popup->item_bg[MENUITEM_DN]);
 351                                 }
 352                                 else
 353                                 {
 354                                         menu_popup->get_popup()->draw_3d_box(MENUITEM_MARGIN,
 355                                                 y,
 356                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 357                                                 h,
 358                                                 resources->menu_shadow,
 359                                                 BLACK,
 360                                                 resources->menu_down,
 361                                                 resources->menu_down,
 362                                                 resources->menu_light);
 363                                 }
 364                                 offset = 1;
 365                         }
 366                         else
 367 // Highlighted
 368                         {
 369                                 if(menu_popup->item_bg[MENUITEM_HI])
 370                                 {
 371                                         menu_popup->get_popup()->draw_9segment(MENUITEM_MARGIN,
 372                                                 y,
 373                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 374                                                 h,
 375                                                 menu_popup->item_bg[MENUITEM_HI]);
 376                                 }
 377                                 else
 378                                 {
 379                                         menu_popup->get_popup()->set_color(resources->menu_highlighted);
 380                                         menu_popup->get_popup()->draw_box(MENUITEM_MARGIN,
 381                                                 y,
 382                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 383                                                 h);
 384                                 }
 385                         }
 386                         menu_popup->get_popup()->set_color(resources->menu_highlighted_fontcolor);
 387                 }
 388                 else
 389                   {
 390                 menu_popup->get_popup()->set_color(resources->menu_item_text);
 391                   }
 392                 if(checked)
 393                 {
 394                         menu_popup->get_popup()->draw_check(10 + offset, y + 2 + offset);
 395                         menu_popup->get_popup()->set_font(MEDIUMFONT);
 396                         menu_popup->get_popup()->draw_text(30 + offset, y + h - text_line - 2 + offset, text);
 397                         menu_popup->get_popup()->draw_text(menu_popup->get_key_x() + offset, y + h - text_line - 2 + offset, hotkey_text);
 398                 }
 399                 else
 400                 {
 401                         menu_popup->get_popup()->set_font(MEDIUMFONT);
 402                         menu_popup->get_popup()->draw_text(10 + offset, y + h - text_line - 2 + offset, text);
 403                         menu_popup->get_popup()->draw_text(menu_popup->get_key_x() + offset, y + h - text_line - 2 + offset, hotkey_text);
 404                 }
 405         }
 406         return 0;
 407 }
 408
 409
 410 int BC_MenuItem::add_submenu(BC_SubMenu *submenu)
 411 {
 412         this->submenu = submenu;
 413         submenu->initialize(top_level, menu_bar, 0, this, 0);
 414         return 0;
 415 }
 416
 417 char* BC_MenuItem::get_text()
 418 {
 419         return text;
 420 }
 421
 422 BC_WindowBase* BC_MenuItem::get_top_level()
 423 {
 424         return top_level;
 425 }
 426
 427 BC_PopupMenu* BC_MenuItem::get_popup_menu()
 428 {
 429         return menu_popup->popup_menu;
 430 }
 431
 432 int BC_MenuItem::set_shift(int value)
 433 {
 434         shift_hotkey = value;
 435         return 0;
 436 }
 437
 438 int BC_MenuItem::set_alt(int value)
 439 {
 440         alt_hotkey = value;
 441         return 0;
 442 }
 443
 444 void BC_MenuItem::set_ctrl(int value)
 445 {
 446         ctrl_hotkey = value;
 447 }
 448