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