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 }
  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, 0, -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 = -1;
  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);
 212         return 0;
 213 }
 214
 215 int BC_PopupMenu::del_item(BC_MenuItem *item)
 216 {
 217         menu_popup->del_item(item);
 218         return 0;
 219 }
 220
 221 int BC_PopupMenu::total_items()
 222 {
 223         return menu_popup->total_menuitems();
 224         return 0;
 225 }
 226
 227 BC_MenuItem* BC_PopupMenu::get_item(int i)
 228 {
 229         return menu_popup->menu_items.values[i];
 230 }
 231
 232 int BC_PopupMenu::draw_title(int flush)
 233 {
 234         if(!use_title) return 0;
 235         BC_Resources *resources = get_resources();
 236
 237 // Background
 238         draw_top_background(parent_window, 0, 0, w, h);
 239         draw_3segmenth(0, 0, w, images[status]);
 240
 241 // Overlay text
 242         set_color(get_resources()->popup_title_text);
 243         int offset = 0;
 244         if(status == BUTTON_DN)
 245                 offset = 1;
 246         if(!icon)
 247         {
 248                 set_font(MEDIUMFONT);
 249                 char truncated[BCTEXTLEN];
 250                 int available_w = get_w() - margin * 2 - resources->popupmenu_triangle_margin;
 251                 truncate_text(truncated, text, available_w);
 252
 253                 BC_WindowBase::draw_center_text(
 254                         available_w / 2 + margin + offset,
 255                         (int)((float)get_h() / 2 + get_text_ascent(MEDIUMFONT) / 2 - 2) + offset,
 256                         truncated);
 257         }
 258
 259         if(icon)
 260         {
 261                 draw_pixmap(icon,
 262                         (get_w() - margin * 2 - resources->popupmenu_triangle_margin) / 2 + margin + offset - icon->get_w() / 2 ,
 263                         get_h() / 2 - icon->get_h() / 2 + offset);
 264         }
 265
 266         if( use_title >= 0 )
 267                 draw_triangle_down_flat(get_w() - margin - resources->popupmenu_triangle_margin,
 268                         get_h() / 2 - TRIANGLE_H / 2, TRIANGLE_W, TRIANGLE_H);
 269
 270         flash(flush);
 271         return 0;
 272 }
 273
 274 int BC_PopupMenu::deactivate()
 275 {
 276         if(popup_down)
 277         {
 278                 top_level->active_popup_menu = 0;
 279                 popup_down = 0;
 280                 menu_popup->deactivate_menu();
 281
 282                 if(use_title) draw_title(1);    // draw the title
 283         }
 284         return 0;
 285 }
 286
 287 int BC_PopupMenu::activate_menu()
 288 {
 289         if(!popup_down)
 290         {
 291                 int x = this->x;
 292                 int y = this->y;
 293
 294                 top_level->deactivate();
 295                 top_level->active_popup_menu = this;
 296                 if(!use_title)
 297                 {
 298                         x = top_level->get_abs_cursor_x(0) - get_w();
 299                         y = top_level->get_abs_cursor_y(0) - get_h();
 300                         button_press_x = top_level->cursor_x;
 301                         button_press_y = top_level->cursor_y;
 302                 }
 303
 304                 button_releases = 0;
 305                 if(use_title)
 306                 {
 307                         Window tempwin;
 308                         int new_x, new_y;
 309                         XTranslateCoordinates(top_level->display,
 310                                 win, top_level->rootwin,
 311                                 0, 0, &new_x, &new_y, &tempwin);
 312                         menu_popup->activate_menu(new_x, new_y,
 313                                 w, h, 0, 1);
 314                 }
 315                 else
 316 // back off x,y just a bit so the menu doesnt deactivate without motion
 317                         menu_popup->activate_menu(x-10, y-10, w, h, 0, 1);
 318                 popup_down = 1;
 319                 if(use_title) draw_title(1);
 320         }
 321         return 0;
 322 }
 323
 324 int BC_PopupMenu::deactivate_menu()
 325 {
 326         deactivate();
 327         return 0;
 328 }
 329
 330
 331 int BC_PopupMenu::reposition_window(int x, int y)
 332 {
 333         BC_WindowBase::reposition_window(x, y);
 334         draw_title(0);
 335         return 0;
 336 }
 337
 338 int BC_PopupMenu::focus_out_event()
 339 {
 340         if( popup_down && !get_button_down() &&
 341             !cursor_inside() && !menu_popup->cursor_inside() )
 342                 deactivate();
 343         return 0;
 344 }
 345
 346
 347 int BC_PopupMenu::repeat_event(int64_t duration)
 348 {
 349         if( status == BUTTON_HI && !tooltip_done &&
 350                 tooltip_text && tooltip_text[0] != 0 &&
 351                 duration == top_level->get_resources()->tooltip_delay )
 352         {
 353                 show_tooltip();
 354                 tooltip_done = 1;
 355                 return 1;
 356         }
 357         return 0;
 358 }
 359
 360 int BC_PopupMenu::button_press_event()
 361 {
 362         if(get_buttonpress() == 1 &&
 363                 is_event_win() &&
 364                 use_title)
 365         {
 366                 top_level->hide_tooltip();
 367                 if(status == BUTTON_HI || status == BUTTON_UP) status = BUTTON_DN;
 368                 activate_menu();
 369                 draw_title(1);
 370                 return 1;
 371         }
 372
 373         // Scrolling section
 374         if (is_event_win()
 375                 && (get_buttonpress() == 4 || get_buttonpress() == 5)
 376                 && menu_popup->total_menuitems() > 1 )
 377         {
 378                 int theval = -1;
 379                 for (int i = 0; i < menu_popup->total_menuitems(); i++) {
 380                         if (!strcmp(menu_popup->menu_items.values[i]->get_text(),get_text())) {
 381                                 theval=i;
 382                                 break;
 383                         }
 384                 }
 385
 386                 if (theval == -1)                  theval=0;
 387                 else if (get_buttonpress() == 4)   theval--;
 388                 else if (get_buttonpress() == 5)   theval++;
 389
 390                 if (theval < 0)
 391                         theval=0;
 392                 if (theval >= menu_popup->total_menuitems())
 393                         theval = menu_popup->total_menuitems() - 1;
 394
 395                 BC_MenuItem *tmp = menu_popup->menu_items.values[theval];
 396                 set_text(tmp->get_text());
 397                 if (!tmp->handle_event())
 398                         this->handle_event();
 399         }
 400         if(popup_down)
 401         {
 402 // Menu is down so dispatch to popup.
 403                 menu_popup->dispatch_button_press();
 404                 return 1;
 405         }
 406
 407         return 0;
 408 }
 409
 410 int BC_PopupMenu::button_release_event()
 411 {
 412 // try the title
 413         int result = 0;
 414
 415         button_releases++;
 416
 417         if(is_event_win() && use_title)
 418         {
 419                 hide_tooltip();
 420                 if(status == BUTTON_DN)
 421                 {
 422                         status = BUTTON_HI;
 423                         draw_title(1);
 424                 }
 425         }
 426
 427         if( !use_title && status == BUTTON_DN ) {
 428                 result = 1;
 429         }
 430         else if(popup_down)
 431         {
 432 // Menu is down so dispatch to popup.
 433                 result = menu_popup->dispatch_button_release();
 434         }
 435
 436         if(popup_down && button_releases >= 2)
 437         {
 438                 deactivate();
 439         }
 440
 441         if(!result && use_title && cursor_inside() && is_event_win())
 442         {
 443                 hide_tooltip();
 444                 result = 1;
 445         }
 446         else
 447         if(!result && !use_title && popup_down && button_releases < 2)
 448         {
 449                 result = 1;
 450         }
 451
 452
 453         if(!result && popup_down)
 454         {
 455 // Button was released outside any menu.
 456                 deactivate();
 457                 result = 1;
 458         }
 459
 460         return result;
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471         if(popup_down)
 472         {
 473 // Menu is down so dispatch to popup.
 474                 result = menu_popup->dispatch_button_release();
 475         }
 476
 477         if(!result && use_title && cursor_inside() && top_level->event_win == win)
 478         {
 479 // Inside title
 480                 if(button_releases >= 2)
 481                 {
 482                         highlighted = 1;
 483                         deactivate();
 484                 }
 485                 result = 1;
 486         }
 487         else
 488         if(!result && !use_title && button_releases < 2)
 489         {
 490 // First release outside a floating menu
 491 // Released outside a fictitious title area
 492 //              if(top_level->cursor_x < button_press_x - 5 ||
 493 //                      top_level->cursor_y < button_press_y - 5 ||
 494 //                      top_level->cursor_x > button_press_x + 5 ||
 495 //                      top_level->cursor_y > button_press_y + 5)
 496                         deactivate();
 497                 result = 1;
 498         }
 499
 500         return result;
 501 }
 502
 503 int BC_PopupMenu::translation_event()
 504 {
 505 //printf("BC_PopupMenu::translation_event 1\n");
 506         if(popup_down) menu_popup->dispatch_translation_event();
 507         return 0;
 508 }
 509
 510 int BC_PopupMenu::cursor_leave_event()
 511 {
 512
 513         if(status == BUTTON_HI && use_title)
 514         {
 515                 status = BUTTON_UP;
 516                 draw_title(1);
 517                 hide_tooltip();
 518         }
 519
 520 // dispatch to popup
 521         if( popup_down ) {
 522                 if( !get_button_down() && !menu_popup->cursor_inside() )
 523                         deactivate_menu();
 524                 menu_popup->dispatch_cursor_leave();
 525         }
 526
 527         return 0;
 528 }
 529
 530
 531 int BC_PopupMenu::cursor_enter_event()
 532 {
 533         if(is_event_win() && use_title)
 534         {
 535                 tooltip_done = 0;
 536                 if(top_level->button_down)
 537                 {
 538                         status = BUTTON_DN;
 539                 }
 540                 else
 541                 if(status == BUTTON_UP)
 542                         status = BUTTON_HI;
 543                 draw_title(1);
 544         }
 545
 546         return 0;
 547 }
 548
 549 int BC_PopupMenu::cursor_motion_event()
 550 {
 551         int result = 0;
 552
 553 // This menu is down.
 554         if(popup_down)
 555         {
 556                 result = menu_popup->dispatch_motion_event();
 557         }
 558
 559         if(!result && use_title && top_level->event_win == win)
 560         {
 561                 if(highlighted)
 562                 {
 563                         if(cursor_inside())
 564                         {
 565                                 highlighted = 0;
 566                                 draw_title(1);
 567                         }
 568                 }
 569                 else
 570                 {
 571                         if(cursor_inside())
 572                         {
 573                                 highlighted = 1;
 574                                 draw_title(1);
 575                                 result = 1;
 576                         }
 577                 }
 578         }
 579
 580         return result;
 581 }
 582
 583 int BC_PopupMenu::drag_start_event()
 584 {
 585 //printf("BC_PopupMenu::drag_start_event %d\n", popup_down);
 586         if(popup_down) return 1;
 587         return 0;
 588 }
 589
 590 int BC_PopupMenu::drag_stop_event()
 591 {
 592         if(popup_down) return 1;
 593         return 0;
 594 }
 595
 596 int BC_PopupMenu::drag_motion_event()
 597 {
 598         if(popup_down) return 1;
 599         return 0;
 600 }
 601
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