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 "bccolors.h"
  32 #include "cstrdup.h"
  33
  34 #include <string.h>
  35
  36
  37 #define MENUITEM_UP 0
  38 #define MENUITEM_HI 1
  39 #define MENUITEM_DN 2
  40
  41
  42 #define MENUITEM_MARGIN 2
  43
  44 // ================================ Menu Item ==================================
  45
  46 BC_MenuItem::BC_MenuItem(const char *text, const char *hotkey_text, int hotkey)
  47 {
  48         this->text = 0;
  49         this->hotkey_text = 0;
  50         reset();
  51
  52         if(text) set_text(text);
  53         if(hotkey_text) set_hotkey_text(hotkey_text);
  54
  55         this->hotkey = hotkey;
  56         checked = 0;
  57         highlighted = 0;
  58         down = 0;
  59         submenu = 0;
  60         shift_hotkey = 0;
  61         alt_hotkey = 0;
  62         ctrl_hotkey = 0;
  63         menu_popup = 0;
  64         enabled = 1;
  65 }
  66
  67 BC_MenuItem::~BC_MenuItem()
  68 {
  69         if(text) delete [] text;
  70         text = 0;
  71         if(hotkey_text) delete [] hotkey_text;
  72         hotkey_text = 0;
  73         if(submenu) delete submenu;
  74         submenu = 0;
  75         if(menu_popup)
  76                 menu_popup->remove_item(this);
  77 }
  78
  79 void BC_MenuItem::reset()
  80 {
  81         set_text("");
  82         set_hotkey_text("");
  83         icon = 0;
  84 }
  85
  86 int BC_MenuItem::initialize(BC_WindowBase *top_level, BC_MenuBar *menu_bar, BC_MenuPopup *menu_popup)
  87 {
  88         this->top_level = top_level;
  89         this->menu_popup = menu_popup;
  90         this->menu_bar = menu_bar;
  91         return 0;
  92 }
  93
  94 int BC_MenuItem::set_checked(int value)
  95 {
  96         this->checked = value;
  97         return 0;
  98 }
  99
 100 int BC_MenuItem::get_checked()
 101 {
 102         return checked;
 103 }
 104
 105 void BC_MenuItem::set_icon(BC_Pixmap *icon)
 106 {
 107         this->icon = icon;
 108 }
 109
 110 BC_Pixmap* BC_MenuItem::get_icon()
 111 {
 112         return icon;
 113 }
 114
 115 void BC_MenuItem::set_text(const char *text)
 116 {
 117         delete [] this->text;
 118         this->text = cstrdup(text);
 119 }
 120
 121 void BC_MenuItem::set_hotkey_text(const char *text)
 122 {
 123         delete [] this->hotkey_text;
 124         this->hotkey_text = cstrdup(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::get_enabled()
 140 {
 141         return enabled;
 142 }
 143 void BC_MenuItem::set_enabled(int v)
 144 {
 145         enabled = v;
 146 }
 147
 148
 149 int BC_MenuItem::activate_submenu()
 150 {
 151         int new_x, new_y;
 152         if(menu_popup->popup && submenu && !submenu->popup)
 153         {
 154                 Window tempwin;
 155                 XTranslateCoordinates(top_level->display,
 156                         menu_popup->get_popup()->win,
 157                         top_level->rootwin,
 158                         0,
 159                         y,
 160                         &new_x,
 161                         &new_y,
 162                         &tempwin);
 163                 submenu->popup_menu = menu_popup->popup_menu;
 164                 submenu->activate_menu(new_x + xS(5), new_y, menu_popup->w - xS(10), h, 0, 0);
 165                 highlighted = 1;
 166         }
 167         return 0;
 168 }
 169
 170
 171 int BC_MenuItem::dispatch_button_press()
 172 {
 173         int result = 0;
 174
 175         if(submenu)
 176         {
 177                 result = submenu->dispatch_button_press();
 178         }
 179
 180         if(!result && menu_popup->get_popup()->is_event_win())
 181         {
 182                 if(top_level->cursor_x >= 0 && top_level->cursor_x < menu_popup->get_w() &&
 183                         top_level->cursor_y >= y && top_level->cursor_y < y + h)
 184                 {
 185                         if(!highlighted)
 186                         {
 187                                 highlighted = 1;
 188                         }
 189                         result = 1;
 190                 }
 191                 else
 192                 if(highlighted)
 193                 {
 194                         highlighted = 0;
 195                         result = 1;
 196                 }
 197         }
 198
 199         return result;
 200 }
 201
 202 int BC_MenuItem::dispatch_button_release(int &redraw)
 203 {
 204         int len = strlen(text);
 205         if( len > 0 && text[0] == '-' && text[len-1] == '-' ) return 0;
 206
 207         int result = 0;
 208         if(submenu)
 209         {
 210                 result = submenu->dispatch_button_release();
 211         }
 212
 213         if( !result && menu_popup->cursor_inside() ) {
 214                 int cursor_x, cursor_y;
 215                 menu_popup->get_popup()->get_relative_cursor(cursor_x, cursor_y);
 216                 if( cursor_x >= 0 && cursor_x < menu_popup->get_w() &&
 217                         cursor_y >= y && cursor_y < y + h ) {
 218                         if(menu_bar)
 219                                 menu_bar->deactivate();
 220                         else
 221                                 menu_popup->popup_menu->deactivate();
 222
 223                         if(!handle_event() && menu_popup && menu_popup->popup_menu)
 224                         {
 225                                 menu_popup->popup_menu->set_text(text);
 226                                 menu_popup->popup_menu->handle_event();
 227                         }
 228                         return 1;
 229                 }
 230         }
 231         return 0;
 232 }
 233
 234 int BC_MenuItem::dispatch_motion_event(int &redraw)
 235 {
 236         int result = 0;
 237
 238         if(submenu)
 239         {
 240                 result = submenu->dispatch_motion_event();
 241         }
 242
 243         if( !result && menu_popup->cursor_inside() ) {
 244                 int cursor_x, cursor_y;
 245                 menu_popup->get_popup()->get_relative_cursor(cursor_x, cursor_y);
 246                 if( cursor_x >= 0 && cursor_x < menu_popup->get_w() &&
 247                         cursor_y >= y && cursor_y < y + h) {
 248 // Highlight the item
 249                         if(!highlighted)
 250                         {
 251 // Deactivate submenus in the parent menu excluding this one.
 252                                 menu_popup->deactivate_submenus(submenu);
 253                                 highlighted = 1;
 254                                 if(submenu) activate_submenu();
 255                                 redraw = 1;
 256                         }
 257                         result = 1;
 258                 }
 259                 else
 260                 if(highlighted)
 261                 {
 262                         highlighted = 0;
 263                         result = 1;
 264                         redraw = 1;
 265                 }
 266         }
 267         return result;
 268 }
 269
 270 int BC_MenuItem::dispatch_translation_event()
 271 {
 272         if(submenu)
 273                 submenu->dispatch_translation_event();
 274         return 0;
 275 }
 276
 277 int BC_MenuItem::dispatch_cursor_leave()
 278 {
 279         int result = 0;
 280         if(submenu)
 281         {
 282                 result = submenu->dispatch_cursor_leave();
 283         }
 284
 285         if(!result && highlighted && menu_popup->get_popup()->is_event_win())
 286         {
 287                 highlighted = 0;
 288                 return 1;
 289         }
 290         return 0;
 291 }
 292
 293 int BC_MenuItem::dispatch_key_press()
 294 {
 295         int result = 0;
 296         if(submenu)
 297         {
 298                 result = submenu->dispatch_key_press();
 299         }
 300
 301         if(!result)
 302         {
 303
 304                 if(top_level->get_keypress() == hotkey &&
 305                         shift_hotkey == top_level->shift_down() &&
 306                         alt_hotkey == top_level->alt_down() &&
 307                         ctrl_hotkey == top_level->ctrl_down())
 308                 {
 309                         result = 1;
 310                         handle_event();
 311                 }
 312         }
 313         return result;
 314 }
 315
 316
 317 int BC_MenuItem::draw()
 318 {
 319         int text_line = top_level->get_text_descent(MEDIUMFONT);
 320         BC_Resources *resources = top_level->get_resources();
 321
 322         if(!strcmp(text, "-")) {
 323                 int bx = xS(5), by = y+h/2, bw = menu_popup->get_w()-xS(10);
 324                 draw_bar(bx, by, bw);
 325         }
 326         else if( text[0] == '-' && text[strlen(text)-1] == '-' ) {
 327                 draw_title_bar();
 328         }
 329         else {
 330                 int xoffset = 0, yoffset = 0;
 331                 if(highlighted)
 332                 {
 333                         int y = this->y;
 334                         //int w = menu_popup->get_w() - 4;
 335                         int h = this->h;
 336
 337 // Button down
 338                         if(top_level->get_button_down() && !submenu)
 339                         {
 340                                 if(menu_popup->item_bg[MENUITEM_DN])
 341                                 {
 342 //                                      menu_popup->get_popup()->draw_9segment(MENUITEM_MARGIN,
 343 //                                              y,
 344 //                                              menu_popup->get_w() - MENUITEM_MARGIN * 2,
 345 //                                              h,
 346 //                                              menu_popup->item_bg[MENUITEM_DN]);
 347                                         menu_popup->get_popup()->draw_3segmenth(MENUITEM_MARGIN,
 348                                                 y,
 349                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 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                                 xoffset = xS(1);  yoffset = yS(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                                         menu_popup->get_popup()->draw_3segmenth(MENUITEM_MARGIN,
 377                                                 y,
 378                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 379                                                 menu_popup->item_bg[MENUITEM_HI]);
 380                                 }
 381                                 else
 382                                 {
 383                                         menu_popup->get_popup()->set_color(resources->menu_highlighted);
 384                                         menu_popup->get_popup()->draw_box(MENUITEM_MARGIN,
 385                                                 y,
 386                                                 menu_popup->get_w() - MENUITEM_MARGIN * 2,
 387                                                 h);
 388                                 }
 389                         }
 390                         menu_popup->get_popup()->set_color(resources->menu_highlighted_fontcolor);
 391                 }
 392                 else
 393                   {
 394                 menu_popup->get_popup()->set_color(resources->menu_item_text);
 395                   }
 396                 if(checked)
 397                 {
 398 //                      menu_popup->get_popup()->draw_check(xS(10) + xoffset, y + 2 + yoffset);
 399                         menu_popup->get_popup()->draw_pixmap(menu_popup->check,
 400                                 xoffset,
 401                                 y + (this->h - menu_popup->check->get_h()) / 2 + yoffset);
 402                         menu_popup->get_popup()->set_font(MEDIUMFONT);
 403                         menu_popup->get_popup()->draw_text(menu_popup->check->get_w() + xoffset,
 404                                 y + h - text_line - 2 + yoffset,
 405                                 text);
 406                         menu_popup->get_popup()->draw_text(menu_popup->get_key_x() + xoffset,
 407                                 y + h - text_line - 2 + yoffset,
 408                                 hotkey_text);
 409                 }
 410                 else
 411                 {
 412                         menu_popup->get_popup()->set_font(MEDIUMFONT);
 413                         menu_popup->get_popup()->draw_text(xS(10) + xoffset, y + h - text_line - 2 + yoffset, text);
 414                         menu_popup->get_popup()->draw_text(menu_popup->get_key_x() + xoffset, y + h - text_line - 2 + yoffset, hotkey_text);
 415                 }
 416         }
 417         return 0;
 418 }
 419
 420 void BC_MenuItem::draw_bar(int bx, int by, int bw)
 421 {
 422         BC_Popup *popup = menu_popup->get_popup();
 423         popup->set_color(DKGREY);
 424         popup->draw_line(bx, by, bx+bw, by);
 425         popup->set_color(LTGREY);  ++by;
 426         popup->draw_line(bx, by, bx+bw, by);
 427 }
 428
 429 void BC_MenuItem::draw_title_bar()
 430 {
 431         BC_Popup *popup = menu_popup->get_popup();
 432         int len = strlen(text)-2;
 433         if( len <= 0 ) return;
 434         int tw = popup->get_text_width(MEDIUMFONT, text+1, len);
 435         int th = popup->get_text_ascent(MEDIUMFONT);
 436         int mw = menu_popup->get_w(), lw = mw - tw;
 437         int x1 = xS(5), y1 = y+h/2;
 438         int tx = lw/4, ty = y1 + th/2;
 439         int w1 = tx - x1 - xS(5);
 440         if( w1 > 0 ) draw_bar(x1, y1, w1);
 441         BC_Resources *resources = top_level->get_resources();
 442         popup->set_color(resources->text_background_hi);
 443         popup->draw_text(tx, ty, text+1, len);
 444         int x2 = tx + tw + xS(5), w2 = mw - xS(5) - x2;
 445         if( w2 > 0 ) draw_bar(x2, y1, w2);
 446 }
 447
 448 int BC_MenuItem::add_submenu(BC_SubMenu *submenu)
 449 {
 450         this->submenu = submenu;
 451         submenu->initialize(top_level, menu_bar, 0, this, 0);
 452         return 0;
 453 }
 454
 455 BC_SubMenu* BC_MenuItem::get_submenu()
 456 {
 457         return submenu;
 458 }
 459
 460 char* BC_MenuItem::get_text()
 461 {
 462         return text;
 463 }
 464
 465 BC_WindowBase* BC_MenuItem::get_top_level()
 466 {
 467         return top_level;
 468 }
 469
 470 BC_PopupMenu* BC_MenuItem::get_popup_menu()
 471 {
 472         return menu_popup->popup_menu;
 473 }
 474
 475 int BC_MenuItem::set_shift(int value)
 476 {
 477         shift_hotkey = value;
 478         return 0;
 479 }
 480
 481 int BC_MenuItem::set_alt(int value)
 482 {
 483         alt_hotkey = value;
 484         return 0;
 485 }
 486
 487 void BC_MenuItem::set_ctrl(int value)
 488 {
 489         ctrl_hotkey = value;
 490 }
 491