cinelerra-5.1/guicast/bcpopupmenu.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 "bcpopupmenu.h"
  27 #include "bcresources.h"
  28 #include "bcsignals.h"
  29 #include "colors.h"
  30 #include "fonts.h"
  31 #include <string.h>
  32 #include "vframe.h"
  33
  34 #define BUTTON_UP 0
  35 #define BUTTON_HI 1
  36 #define BUTTON_DN 2
  37 #define TOTAL_IMAGES 3
  38
  39
  40 #define TRIANGLE_W 10
  41 #define TRIANGLE_H 10
  42
  43
  44 BC_PopupMenu::BC_PopupMenu(int x,
  45                 int y,
  46                 int w,
  47                 const char *text,
  48                 int use_title,
  49                 VFrame **data,
  50                 int margin)
  51  : BC_SubWindow(x, y, 0, 0, -1)
  52 {
  53         highlighted = popup_down = 0;
  54         menu_popup = 0;
  55         icon = 0;
  56         if(margin >= 0)
  57                 this->margin = margin;
  58         else
  59                 this->margin = BC_WindowBase::get_resources()->popupmenu_margin;
  60
  61         this->use_title = use_title;
  62         strcpy(this->text, text);
  63         for(int i = 0; i < TOTAL_IMAGES; i++)
  64         {
  65                 images[i] = 0;
  66         }
  67         this->data = data;
  68         this->w_argument = w;
  69         status = BUTTON_UP;
  70         pending = 0;
  71 }
  72
  73 BC_PopupMenu::BC_PopupMenu(int x,
  74                 int y,
  75                 const char *text,
  76                 int use_title,
  77                 VFrame **data)
  78  : BC_SubWindow(x, y, 0, -1, -1)
  79 {
  80         highlighted = popup_down = 0;
  81         menu_popup = 0;
  82         icon = 0;
  83         this->use_title = use_title;
  84         strcpy(this->text, text);
  85         for(int i = 0; i < TOTAL_IMAGES; i++)
  86         {
  87                 images[i] = 0;
  88         }
  89         this->data = data;
  90         this->w_argument = -1;
  91         status = BUTTON_UP;
  92         pending = 0;
  93 }
  94
  95 BC_PopupMenu::~BC_PopupMenu()
  96 {
  97         if(menu_popup) delete menu_popup;
  98         for(int i = 0; i < TOTAL_IMAGES; i++)
  99         {
 100                 if(images[i]) delete images[i];
 101         }
 102 }
 103
 104 char* BC_PopupMenu::get_text()
 105 {
 106         return text;
 107 }
 108
 109 void BC_PopupMenu::set_text(const char *text)
 110 {
 111         if(use_title)
 112         {
 113                 strcpy(this->text, text);
 114                 draw_title(1);
 115         }
 116 }
 117
 118 void BC_PopupMenu::set_icon(BC_Pixmap *icon)
 119 {
 120         if(use_title)
 121         {
 122                 this->icon = icon;
 123                 if(menu_popup) draw_title(1);
 124         }
 125 }
 126
 127 int BC_PopupMenu::initialize()
 128 {
 129         if(use_title)
 130         {
 131                 if(data)
 132                         set_images(data);
 133                 else
 134                 if(BC_WindowBase::get_resources()->popupmenu_images)
 135                         set_images(BC_WindowBase::get_resources()->popupmenu_images);
 136                 else
 137                         set_images(BC_WindowBase::get_resources()->generic_button_images);
 138         }
 139         else
 140 // Move outside window if no title
 141         {
 142                 x = -10;
 143                 y = -10;
 144                 w = 10;
 145                 h = 10;
 146         }
 147
 148         BC_SubWindow::initialize();
 149
 150         menu_popup = new BC_MenuPopup;
 151         menu_popup->initialize(top_level,
 152                 0,
 153                 0,
 154                 0,
 155                 this);
 156
 157         if(use_title) draw_title(0);
 158
 159         return 0;
 160 }
 161
 162 int BC_PopupMenu::set_images(VFrame **data)
 163 {
 164         BC_Resources *resources = get_resources();
 165         for(int i = 0; i < 3; i++)
 166         {
 167                 if(images[i]) delete images[i];
 168                 images[i] = new BC_Pixmap(parent_window, data[i], PIXMAP_ALPHA);
 169         }
 170
 171         if(w_argument >= 0)
 172                 w = w_argument +
 173                         margin +
 174                         resources->popupmenu_triangle_margin;
 175         else
 176                 w = get_text_width(MEDIUMFONT, text) +
 177                         margin +
 178                         resources->popupmenu_triangle_margin;
 179
 180         h = images[BUTTON_UP]->get_h();
 181         return 0;
 182 }
 183
 184 int BC_PopupMenu::calculate_w(int w_argument)
 185 {
 186         return w_argument +
 187                 BC_WindowBase::get_resources()->popupmenu_margin +
 188                 BC_WindowBase::get_resources()->popupmenu_triangle_margin;
 189 }
 190
 191 int BC_PopupMenu::calculate_h(VFrame **data)
 192 {
 193         if(data)
 194                 ;
 195         else
 196         if(BC_WindowBase::get_resources()->popupmenu_images)
 197                 data = BC_WindowBase::get_resources()->popupmenu_images;
 198         else
 199                 data = BC_WindowBase::get_resources()->generic_button_images;
 200
 201
 202         return data[BUTTON_UP]->get_h();
 203 }
 204
 205 int BC_PopupMenu::add_item(BC_MenuItem *item)
 206 {
 207         menu_popup->add_item(item);
 208         return 0;
 209 }
 210
 211 int BC_PopupMenu::remove_item(BC_MenuItem *item)
 212 {
 213         menu_popup->remove_item(item);
 214         return 0;
 215 }
 216
 217 int BC_PopupMenu::del_item(BC_MenuItem *item)
 218 {
 219         menu_popup->del_item(item);
 220         return 0;
 221 }
 222
 223 int BC_PopupMenu::total_items()
 224 {
 225         return menu_popup->total_items();
 226 }
 227
 228 BC_MenuItem* BC_PopupMenu::get_item(int i)
 229 {
 230         return menu_popup->menu_items.values[i];
 231 }
 232
 233 int BC_PopupMenu::draw_title(int flush)
 234 {
 235         if(!use_title) return 0;
 236         BC_Resources *resources = get_resources();
 237
 238 // Background
 239         draw_top_background(parent_window, 0, 0, w, h);
 240         draw_3segmenth(0, 0, w, images[status]);
 241
 242 // Overlay text
 243         set_color(get_resources()->popup_title_text);
 244         int offset = 0;
 245         if(status == BUTTON_DN)
 246                 offset = 1;
 247         if(!icon)
 248         {
 249                 set_font(MEDIUMFONT);
 250                 char truncated[BCTEXTLEN];
 251                 int available_w = get_w() - margin * 2 - resources->popupmenu_triangle_margin;
 252                 truncate_text(truncated, text, available_w);
 253
 254                 BC_WindowBase::draw_center_text(
 255                         available_w / 2 + margin + offset,
 256                         (int)((float)get_h() / 2 + get_text_ascent(MEDIUMFONT) / 2 - 2) + offset,
 257                         truncated);
 258         }
 259
 260         if(icon)
 261         {
 262                 draw_pixmap(icon,
 263                         (get_w() - margin * 2 - resources->popupmenu_triangle_margin) / 2 + margin + offset - icon->get_w() / 2 ,
 264                         get_h() / 2 - icon->get_h() / 2 + offset);
 265         }
 266
 267         if( use_title >= 0 )
 268                 draw_triangle_down_flat(get_w() - margin - resources->popupmenu_triangle_margin,
 269                         get_h() / 2 - TRIANGLE_H / 2, TRIANGLE_W, TRIANGLE_H);
 270
 271         flash(flush);
 272         return 0;
 273 }
 274
 275 int BC_PopupMenu::deactivate()
 276 {
 277         if(popup_down)
 278         {
 279                 top_level->active_popup_menu = 0;
 280                 popup_down = 0;
 281                 menu_popup->deactivate_menu();
 282
 283                 if(use_title) draw_title(1);    // draw the title
 284         }
 285         return 0;
 286 }
 287
 288 int BC_PopupMenu::activate_menu()
 289 {
 290         if( !get_button_down() || !BC_WindowBase::get_resources()->popupmenu_btnup )
 291                 return menu_activate();
 292         pending = 1;
 293         return 0;
 294 }
 295
 296 int BC_PopupMenu::menu_activate()
 297 {
 298         pending = 0;
 299         if( !popup_down )
 300         {
 301                 int x = this->x;
 302                 int y = this->y;
 303
 304                 top_level->deactivate();
 305                 top_level->active_popup_menu = this;
 306                 if(!use_title)
 307                 {
 308                         x = top_level->get_abs_cursor_x(0) - get_w();
 309                         y = top_level->get_abs_cursor_y(0) - get_h();
 310                         button_press_x = top_level->cursor_x;
 311                         button_press_y = top_level->cursor_y;
 312                 }
 313
 314                 if(use_title)
 315                 {
 316                         Window tempwin;
 317                         int new_x, new_y;
 318                         XTranslateCoordinates(top_level->display,
 319                                 win, top_level->rootwin,
 320                                 0, 0, &new_x, &new_y, &tempwin);
 321                         menu_popup->activate_menu(new_x, new_y,
 322                                 w, h, 0, 1);
 323                 }
 324                 else
 325                         menu_popup->activate_menu(x+3, y+3, w, h, 0, 1);
 326                 popup_down = 1;
 327                 if(use_title) draw_title(1);
 328         }
 329         return 0;
 330 }
 331
 332 int BC_PopupMenu::deactivate_menu()
 333 {
 334         deactivate();
 335         return 0;
 336 }
 337
 338
 339 int BC_PopupMenu::reposition_window(int x, int y)
 340 {
 341         BC_WindowBase::reposition_window(x, y);
 342         draw_title(0);
 343         return 0;
 344 }
 345
 346 int BC_PopupMenu::focus_out_event()
 347 {
 348         if( popup_down && !get_button_down() &&
 349             !cursor_inside() && !menu_popup->cursor_inside() )
 350                 deactivate();
 351         return 0;
 352 }
 353
 354
 355 int BC_PopupMenu::repeat_event(int64_t duration)
 356 {
 357         if( status == BUTTON_HI && !tooltip_done &&
 358                 tooltip_text && tooltip_text[0] != 0 &&
 359                 duration == top_level->get_resources()->tooltip_delay )
 360         {
 361                 show_tooltip();
 362                 tooltip_done = 1;
 363                 return 1;
 364         }
 365         return 0;
 366 }
 367
 368 int BC_PopupMenu::button_press_event()
 369 {
 370         if(get_buttonpress() == 1 &&
 371                 is_event_win() &&
 372                 use_title)
 373         {
 374                 top_level->hide_tooltip();
 375                 if(status == BUTTON_HI || status == BUTTON_UP) status = BUTTON_DN;
 376                 activate_menu();
 377                 draw_title(1);
 378                 return 1;
 379         }
 380
 381         // Scrolling section
 382         if (is_event_win()
 383                 && (get_buttonpress() == 4 || get_buttonpress() == 5)
 384                 && menu_popup->total_items() > 1 )
 385         {
 386                 int theval = -1;
 387                 for (int i = 0; i < menu_popup->total_items(); i++) {
 388                         if (!strcmp(menu_popup->menu_items.values[i]->get_text(),get_text())) {
 389                                 theval=i;
 390                                 break;
 391                         }
 392                 }
 393
 394                 if (theval == -1)                  theval=0;
 395                 else if (get_buttonpress() == 4)   theval--;
 396                 else if (get_buttonpress() == 5)   theval++;
 397
 398                 if (theval < 0)
 399                         theval=0;
 400                 if (theval >= menu_popup->total_items())
 401                         theval = menu_popup->total_items() - 1;
 402
 403                 BC_MenuItem *tmp = menu_popup->menu_items.values[theval];
 404                 set_text(tmp->get_text());
 405                 if (!tmp->handle_event())
 406                         this->handle_event();
 407         }
 408         if(popup_down)
 409         {
 410 // Menu is down so dispatch to popup.
 411                 menu_popup->dispatch_button_press();
 412                 return 1;
 413         }
 414
 415         return 0;
 416 }
 417
 418 int BC_PopupMenu::button_release_event()
 419 {
 420 // try the title
 421         int result = 0;
 422         if( pending )
 423                 return menu_activate();
 424
 425         if(is_event_win() && use_title)
 426         {
 427                 hide_tooltip();
 428                 if(status == BUTTON_DN)
 429                 {
 430                         status = BUTTON_HI;
 431                         draw_title(1);
 432                 }
 433         }
 434
 435         if( !use_title && status == BUTTON_DN ) {
 436                 result = 1;
 437         }
 438         else if( popup_down && menu_popup->cursor_inside() ) {
 439 // Menu is down so dispatch to popup.
 440                 result = menu_popup->dispatch_button_release();
 441         }
 442 // released outside popup
 443         if( get_resources()->popupmenu_btnup && !result && popup_down ) {
 444                 deactivate();
 445                 result = 1;
 446         }
 447         hide_tooltip();
 448
 449         return result;
 450 }
 451
 452 int BC_PopupMenu::translation_event()
 453 {
 454 //printf("BC_PopupMenu::translation_event 1\n");
 455         if(popup_down) menu_popup->dispatch_translation_event();
 456         return 0;
 457 }
 458
 459 int BC_PopupMenu::cursor_leave_event()
 460 {
 461
 462         if(status == BUTTON_HI && use_title)
 463         {
 464                 status = BUTTON_UP;
 465                 draw_title(1);
 466                 hide_tooltip();
 467         }
 468
 469 // dispatch to popup
 470         if( popup_down ) {
 471                 if( !get_button_down() && !menu_popup->cursor_inside() ) {
 472                         status = BUTTON_UP;
 473                         deactivate_menu();
 474                 }
 475                 menu_popup->dispatch_cursor_leave();
 476         }
 477
 478         return 0;
 479 }
 480
 481
 482 int BC_PopupMenu::cursor_enter_event()
 483 {
 484         if(is_event_win() && use_title)
 485         {
 486                 tooltip_done = 0;
 487                 if(top_level->button_down)
 488                 {
 489                         status = BUTTON_DN;
 490                 }
 491                 else
 492                 if(status == BUTTON_UP)
 493                         status = BUTTON_HI;
 494                 draw_title(1);
 495         }
 496
 497         return 0;
 498 }
 499
 500 int BC_PopupMenu::cursor_motion_event()
 501 {
 502         int result = 0;
 503
 504 // This menu is down.
 505         if(popup_down)
 506         {
 507                 result = menu_popup->dispatch_motion_event();
 508         }
 509
 510         if(!result && use_title && top_level->event_win == win)
 511         {
 512                 if(highlighted)
 513                 {
 514                         if(!cursor_inside())
 515                         {
 516                                 highlighted = 0;
 517                                 draw_title(1);
 518                         }
 519                 }
 520                 else
 521                 {
 522                         if(cursor_inside())
 523                         {
 524                                 highlighted = 1;
 525                                 draw_title(1);
 526                                 result = 1;
 527                         }
 528                 }
 529         }
 530
 531         return result;
 532 }
 533
 534 int BC_PopupMenu::drag_start_event()
 535 {
 536 //printf("BC_PopupMenu::drag_start_event %d\n", popup_down);
 537         if(popup_down) return 1;
 538         return 0;
 539 }
 540
 541 int BC_PopupMenu::drag_stop_event()
 542 {
 543         if(popup_down) return 1;
 544         return 0;
 545 }
 546
 547 int BC_PopupMenu::drag_motion_event()
 548 {
 549         if(popup_down) return 1;
 550         return 0;
 551 }
 552
 553
 554
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 558