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