cinelerra-5.0/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 }
  71
  72 BC_PopupMenu::BC_PopupMenu(int x,
  73                 int y,
  74                 const char *text,
  75                 int use_title,
  76                 VFrame **data)
  77  : BC_SubWindow(x, y, w, -1, -1)
  78 {
  79         highlighted = popup_down = 0;
  80         menu_popup = 0;
  81         icon = 0;
  82         this->use_title = use_title;
  83         strcpy(this->text, text);
  84         for(int i = 0; i < TOTAL_IMAGES; i++)
  85         {
  86                 images[i] = 0;
  87         }
  88         this->data = data;
  89         this->w_argument = 0;
  90         status = BUTTON_UP;
  91 }
  92
  93 BC_PopupMenu::~BC_PopupMenu()
  94 {
  95         if(menu_popup) delete menu_popup;
  96         for(int i = 0; i < TOTAL_IMAGES; i++)
  97         {
  98                 if(images[i]) delete images[i];
  99         }
 100 }
 101
 102 char* BC_PopupMenu::get_text()
 103 {
 104         return text;
 105 }
 106
 107 void BC_PopupMenu::set_text(const char *text)
 108 {
 109         if(use_title)
 110         {
 111                 strcpy(this->text, text);
 112                 draw_title(1);
 113         }
 114 }
 115
 116 void BC_PopupMenu::set_icon(BC_Pixmap *icon)
 117 {
 118         if(use_title)
 119         {
 120                 this->icon = icon;
 121                 if(menu_popup) draw_title(1);
 122         }
 123 }
 124
 125 int BC_PopupMenu::initialize()
 126 {
 127         if(use_title)
 128         {
 129                 if(data)
 130                         set_images(data);
 131                 else
 132                 if(BC_WindowBase::get_resources()->popupmenu_images)
 133                         set_images(BC_WindowBase::get_resources()->popupmenu_images);
 134                 else
 135                         set_images(BC_WindowBase::get_resources()->generic_button_images);
 136         }
 137         else
 138 // Move outside window if no title
 139         {
 140                 x = -10;
 141                 y = -10;
 142                 w = 10;
 143                 h = 10;
 144         }
 145
 146         BC_SubWindow::initialize();
 147
 148         menu_popup = new BC_MenuPopup;
 149         menu_popup->initialize(top_level,
 150                 0,
 151                 0,
 152                 0,
 153                 this);
 154
 155         if(use_title) draw_title(0);
 156
 157         return 0;
 158 }
 159
 160 int BC_PopupMenu::set_images(VFrame **data)
 161 {
 162         BC_Resources *resources = get_resources();
 163         for(int i = 0; i < 3; i++)
 164         {
 165                 if(images[i]) delete images[i];
 166                 images[i] = new BC_Pixmap(parent_window, data[i], PIXMAP_ALPHA);
 167         }
 168
 169         if(w_argument > 0)
 170                 w = w_argument +
 171                         margin +
 172                         resources->popupmenu_triangle_margin;
 173         else
 174                 w = get_text_width(MEDIUMFONT, text) +
 175                         margin +
 176                         resources->popupmenu_triangle_margin;
 177
 178         h = images[BUTTON_UP]->get_h();
 179         return 0;
 180 }
 181
 182 int BC_PopupMenu::calculate_w(int w_argument)
 183 {
 184         return w_argument +
 185                 BC_WindowBase::get_resources()->popupmenu_margin +
 186                 BC_WindowBase::get_resources()->popupmenu_triangle_margin;
 187 }
 188
 189 int BC_PopupMenu::calculate_h(VFrame **data)
 190 {
 191         if(data)
 192                 ;
 193         else
 194         if(BC_WindowBase::get_resources()->popupmenu_images)
 195                 data = BC_WindowBase::get_resources()->popupmenu_images;
 196         else
 197                 data = BC_WindowBase::get_resources()->generic_button_images;
 198
 199
 200         return data[BUTTON_UP]->get_h();
 201 }
 202
 203 int BC_PopupMenu::add_item(BC_MenuItem *item)
 204 {
 205         menu_popup->add_item(item);
 206         return 0;
 207 }
 208
 209 int BC_PopupMenu::remove_item(BC_MenuItem *item)
 210 {
 211         menu_popup->remove_item(item, 0);
 212         return 0;
 213 }
 214
 215 int BC_PopupMenu::total_items()
 216 {
 217         return menu_popup->total_menuitems();
 218         return 0;
 219 }
 220
 221 BC_MenuItem* BC_PopupMenu::get_item(int i)
 222 {
 223         return menu_popup->menu_items.values[i];
 224 }
 225
 226 int BC_PopupMenu::draw_title(int flush)
 227 {
 228         if(!use_title) return 0;
 229         BC_Resources *resources = get_resources();
 230
 231 // Background
 232         draw_top_background(parent_window, 0, 0, w, h);
 233         draw_3segmenth(0, 0, w, images[status]);
 234
 235 // Overlay text
 236         set_color(get_resources()->popup_title_text);
 237         int offset = 0;
 238         if(status == BUTTON_DN)
 239                 offset = 1;
 240         if(!icon)
 241         {
 242                 set_font(MEDIUMFONT);
 243                 char truncated[BCTEXTLEN];
 244                 int available_w = get_w() - margin * 2 - resources->popupmenu_triangle_margin;
 245                 truncate_text(truncated, text, available_w);
 246
 247                 BC_WindowBase::draw_center_text(
 248                         available_w / 2 + margin + offset,
 249                         (int)((float)get_h() / 2 + get_text_ascent(MEDIUMFONT) / 2 - 2) + offset,
 250                         truncated);
 251         }
 252
 253         if(icon)
 254         {
 255                 draw_pixmap(icon,
 256                         (get_w() - margin * 2 - resources->popupmenu_triangle_margin) / 2 + margin + offset - icon->get_w() / 2 ,
 257                         get_h() / 2 - icon->get_h() / 2 + offset);
 258         }
 259
 260         draw_triangle_down_flat(get_w() - margin - resources->popupmenu_triangle_margin,
 261                 get_h() / 2 - TRIANGLE_H / 2,
 262                 TRIANGLE_W, TRIANGLE_H);
 263
 264         flash(flush);
 265         return 0;
 266 }
 267
 268 int BC_PopupMenu::deactivate()
 269 {
 270         if(popup_down)
 271         {
 272                 top_level->active_popup_menu = 0;
 273                 popup_down = 0;
 274                 menu_popup->deactivate_menu();
 275
 276                 if(use_title) draw_title(1);    // draw the title
 277         }
 278         return 0;
 279 }
 280
 281 int BC_PopupMenu::activate_menu()
 282 {
 283         if(!popup_down)
 284         {
 285                 int x = this->x;
 286                 int y = this->y;
 287
 288                 top_level->deactivate();
 289                 top_level->active_popup_menu = this;
 290                 if(!use_title)
 291                 {
 292                         x = top_level->get_abs_cursor_x(0) - get_w();
 293                         y = top_level->get_abs_cursor_y(0) - get_h();
 294                         button_press_x = top_level->cursor_x;
 295                         button_press_y = top_level->cursor_y;
 296                 }
 297
 298                 button_releases = 0;
 299                 if(use_title)
 300                 {
 301                         Window tempwin;
 302                         int new_x, new_y;
 303                         XTranslateCoordinates(top_level->display,
 304                                 win, top_level->rootwin,
 305                                 0, 0, &new_x, &new_y, &tempwin);
 306                         menu_popup->activate_menu(new_x, new_y,
 307                                 w, h, 0, 1);
 308                 }
 309                 else
 310                         menu_popup->activate_menu(x, y, w, h, 0, 1);
 311                 popup_down = 1;
 312                 if(use_title) draw_title(1);
 313         }
 314         return 0;
 315 }
 316
 317 int BC_PopupMenu::deactivate_menu()
 318 {
 319         deactivate();
 320         return 0;
 321 }
 322
 323
 324 int BC_PopupMenu::reposition_window(int x, int y)
 325 {
 326         BC_WindowBase::reposition_window(x, y);
 327         draw_title(0);
 328         return 0;
 329 }
 330
 331 int BC_PopupMenu::focus_out_event()
 332 {
 333         if( popup_down && !menu_popup->cursor_inside() )
 334                 deactivate();
 335         return 0;
 336 }
 337
 338
 339 int BC_PopupMenu::repeat_event(int64_t duration)
 340 {
 341         if( status == BUTTON_HI && !tooltip_done &&
 342                 tooltip_text && tooltip_text[0] != 0 &&
 343                 duration == top_level->get_resources()->tooltip_delay )
 344         {
 345                 show_tooltip();
 346                 tooltip_done = 1;
 347                 return 1;
 348         }
 349         return 0;
 350 }
 351
 352 int BC_PopupMenu::button_press_event()
 353 {
 354         if(get_buttonpress() == 1 &&
 355                 is_event_win() &&
 356                 use_title)
 357         {
 358                 top_level->hide_tooltip();
 359                 if(status == BUTTON_HI || status == BUTTON_UP) status = BUTTON_DN;
 360                 activate_menu();
 361                 draw_title(1);
 362                 return 1;
 363         }
 364
 365         // Scrolling section
 366         if (is_event_win()
 367                 && (get_buttonpress() == 4 || get_buttonpress() == 5)
 368                 && menu_popup->total_menuitems() > 1 )
 369         {
 370                 int theval = -1;
 371                 for (int i = 0; i < menu_popup->total_menuitems(); i++) {
 372                         if (!strcmp(menu_popup->menu_items.values[i]->get_text(),get_text())) {
 373                                 theval=i;
 374                                 break;
 375                         }
 376                 }
 377
 378                 if (theval == -1)                  theval=0;
 379                 else if (get_buttonpress() == 4)   theval--;
 380                 else if (get_buttonpress() == 5)   theval++;
 381
 382                 if (theval < 0)
 383                         theval=0;
 384                 if (theval >= menu_popup->total_menuitems())
 385                         theval = menu_popup->total_menuitems() - 1;
 386
 387                 BC_MenuItem *tmp = menu_popup->menu_items.values[theval];
 388                 set_text(tmp->get_text());
 389                 if (!tmp->handle_event())
 390                         this->handle_event();
 391         }
 392         if(popup_down)
 393         {
 394 // Menu is down so dispatch to popup.
 395                 menu_popup->dispatch_button_press();
 396                 return 1;
 397         }
 398
 399         return 0;
 400 }
 401
 402 int BC_PopupMenu::button_release_event()
 403 {
 404 // try the title
 405         int result = 0;
 406
 407         button_releases++;
 408
 409         if(is_event_win() && use_title)
 410         {
 411                 hide_tooltip();
 412                 if(status == BUTTON_DN)
 413                 {
 414                         status = BUTTON_HI;
 415                         draw_title(1);
 416                 }
 417         }
 418
 419         if(popup_down)
 420         {
 421 // Menu is down so dispatch to popup.
 422                 result = menu_popup->dispatch_button_release();
 423         }
 424
 425         if(popup_down && button_releases >= 2)
 426         {
 427                 deactivate();
 428         }
 429
 430         if(!result && use_title && cursor_inside() && is_event_win())
 431         {
 432                 hide_tooltip();
 433                 result = 1;
 434         }
 435         else
 436         if(!result && !use_title && popup_down && button_releases < 2)
 437         {
 438                 result = 1;
 439         }
 440
 441
 442         if(!result && popup_down)
 443         {
 444 // Button was released outside any menu.
 445                 deactivate();
 446                 result = 1;
 447         }
 448
 449         return result;
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460         if(popup_down)
 461         {
 462 // Menu is down so dispatch to popup.
 463                 result = menu_popup->dispatch_button_release();
 464         }
 465
 466         if(!result && use_title && cursor_inside() && top_level->event_win == win)
 467         {
 468 // Inside title
 469                 if(button_releases >= 2)
 470                 {
 471                         highlighted = 1;
 472                         deactivate();
 473                 }
 474                 result = 1;
 475         }
 476         else
 477         if(!result && !use_title && button_releases < 2)
 478         {
 479 // First release outside a floating menu
 480 // Released outside a fictitious title area
 481 //              if(top_level->cursor_x < button_press_x - 5 ||
 482 //                      top_level->cursor_y < button_press_y - 5 ||
 483 //                      top_level->cursor_x > button_press_x + 5 ||
 484 //                      top_level->cursor_y > button_press_y + 5)
 485                         deactivate();
 486                 result = 1;
 487         }
 488
 489         return result;
 490 }
 491
 492 int BC_PopupMenu::translation_event()
 493 {
 494 //printf("BC_PopupMenu::translation_event 1\n");
 495         if(popup_down) menu_popup->dispatch_translation_event();
 496         return 0;
 497 }
 498
 499 int BC_PopupMenu::cursor_leave_event()
 500 {
 501
 502         if(status == BUTTON_HI && use_title)
 503         {
 504                 status = BUTTON_UP;
 505                 draw_title(1);
 506                 hide_tooltip();
 507         }
 508
 509 // dispatch to popup
 510         if(popup_down)
 511         {
 512                 menu_popup->dispatch_cursor_leave();
 513         }
 514
 515         return 0;
 516 }
 517
 518
 519 int BC_PopupMenu::cursor_enter_event()
 520 {
 521         if(is_event_win() && use_title)
 522         {
 523                 tooltip_done = 0;
 524                 if(top_level->button_down)
 525                 {
 526                         status = BUTTON_DN;
 527                 }
 528                 else
 529                 if(status == BUTTON_UP)
 530                         status = BUTTON_HI;
 531                 draw_title(1);
 532         }
 533
 534         return 0;
 535 }
 536
 537 int BC_PopupMenu::cursor_motion_event()
 538 {
 539         int result = 0;
 540
 541 // This menu is down.
 542         if(popup_down)
 543         {
 544                 result = menu_popup->dispatch_motion_event();
 545         }
 546
 547         if(!result && use_title && top_level->event_win == win)
 548         {
 549                 if(highlighted)
 550                 {
 551                         if(cursor_inside())
 552                         {
 553                                 highlighted = 0;
 554                                 draw_title(1);
 555                         }
 556                 }
 557                 else
 558                 {
 559                         if(cursor_inside())
 560                         {
 561                                 highlighted = 1;
 562                                 draw_title(1);
 563                                 result = 1;
 564                         }
 565                 }
 566         }
 567
 568         return result;
 569 }
 570
 571 int BC_PopupMenu::drag_start_event()
 572 {
 573 //printf("BC_PopupMenu::drag_start_event %d\n", popup_down);
 574         if(popup_down) return 1;
 575         return 0;
 576 }
 577
 578 int BC_PopupMenu::drag_stop_event()
 579 {
 580         if(popup_down) return 1;
 581         return 0;
 582 }
 583
 584 int BC_PopupMenu::drag_motion_event()
 585 {
 586         if(popup_down) return 1;
 587         return 0;
 588 }
 589
 590
 591
 592
 593
 594
 595