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         use_title = 0;
  98         deactivate();
  99         for(int i = 0; i < TOTAL_IMAGES; i++)
 100         {
 101                 if(images[i]) delete images[i];
 102         }
 103 }
 104
 105 char* BC_PopupMenu::get_text()
 106 {
 107         return text;
 108 }
 109
 110 void BC_PopupMenu::set_text(const char *text)
 111 {
 112         if(use_title)
 113         {
 114                 strcpy(this->text, text);
 115                 draw_title(1);
 116         }
 117 }
 118
 119 void BC_PopupMenu::set_icon(BC_Pixmap *icon)
 120 {
 121         if(use_title)
 122         {
 123                 this->icon = icon;
 124                 if(menu_popup) draw_title(1);
 125         }
 126 }
 127
 128 int BC_PopupMenu::initialize()
 129 {
 130         if(use_title)
 131         {
 132                 if(data)
 133                         set_images(data);
 134                 else
 135                 if(BC_WindowBase::get_resources()->popupmenu_images)
 136                         set_images(BC_WindowBase::get_resources()->popupmenu_images);
 137                 else
 138                         set_images(BC_WindowBase::get_resources()->generic_button_images);
 139         }
 140         else
 141 // Move outside window if no title
 142         {
 143                 x = -10;
 144                 y = -10;
 145                 w = 10;
 146                 h = 10;
 147         }
 148
 149         BC_SubWindow::initialize();
 150
 151         menu_popup = new BC_MenuPopup;
 152         menu_popup->initialize(top_level,
 153                 0,
 154                 0,
 155                 0,
 156                 this);
 157
 158         if(use_title) draw_title(0);
 159
 160         return 0;
 161 }
 162
 163 int BC_PopupMenu::set_images(VFrame **data)
 164 {
 165         BC_Resources *resources = get_resources();
 166         for(int i = 0; i < 3; i++)
 167         {
 168                 if(images[i]) delete images[i];
 169                 images[i] = new BC_Pixmap(parent_window, data[i], PIXMAP_ALPHA);
 170         }
 171
 172         if(w_argument >= 0)
 173                 w = w_argument +
 174                         margin +
 175                         resources->popupmenu_triangle_margin;
 176         else
 177                 w = get_text_width(MEDIUMFONT, text) +
 178                         margin +
 179                         resources->popupmenu_triangle_margin;
 180
 181         h = images[BUTTON_UP]->get_h();
 182         return 0;
 183 }
 184
 185 int BC_PopupMenu::calculate_w(int w_argument)
 186 {
 187         return w_argument +
 188                 BC_WindowBase::get_resources()->popupmenu_margin +
 189                 BC_WindowBase::get_resources()->popupmenu_triangle_margin;
 190 }
 191
 192 int BC_PopupMenu::calculate_h(VFrame **data)
 193 {
 194         if(data)
 195                 ;
 196         else
 197         if(BC_WindowBase::get_resources()->popupmenu_images)
 198                 data = BC_WindowBase::get_resources()->popupmenu_images;
 199         else
 200                 data = BC_WindowBase::get_resources()->generic_button_images;
 201
 202
 203         return data[BUTTON_UP]->get_h();
 204 }
 205
 206 int BC_PopupMenu::add_item(BC_MenuItem *item)
 207 {
 208         menu_popup->add_item(item);
 209         return 0;
 210 }
 211
 212 int BC_PopupMenu::remove_item(BC_MenuItem *item)
 213 {
 214         menu_popup->remove_item(item);
 215         return 0;
 216 }
 217
 218 int BC_PopupMenu::del_item(BC_MenuItem *item)
 219 {
 220         menu_popup->del_item(item);
 221         return 0;
 222 }
 223
 224 int BC_PopupMenu::total_items()
 225 {
 226         return menu_popup->total_items();
 227 }
 228
 229 BC_MenuItem* BC_PopupMenu::get_item(int i)
 230 {
 231         return menu_popup->menu_items.values[i];
 232 }
 233
 234 int BC_PopupMenu::draw_title(int flush)
 235 {
 236         if(!use_title) return 0;
 237         BC_Resources *resources = get_resources();
 238
 239 // Background
 240         draw_top_background(parent_window, 0, 0, w, h);
 241         draw_3segmenth(0, 0, w, images[status]);
 242
 243 // Overlay text
 244         set_color(get_resources()->popup_title_text);
 245         int offset = 0;
 246         if(status == BUTTON_DN)
 247                 offset = 1;
 248         if(!icon)
 249         {
 250                 set_font(MEDIUMFONT);
 251                 char truncated[BCTEXTLEN];
 252                 int available_w = get_w() - margin * 2 - resources->popupmenu_triangle_margin;
 253                 truncate_text(truncated, text, available_w);
 254
 255                 BC_WindowBase::draw_center_text(
 256                         available_w / 2 + margin + offset,
 257                         (int)((float)get_h() / 2 + get_text_ascent(MEDIUMFONT) / 2 - 2) + offset,
 258                         truncated);
 259         }
 260
 261         if(icon)
 262         {
 263                 draw_pixmap(icon,
 264                         (get_w() - margin * 2 - resources->popupmenu_triangle_margin) / 2 + margin + offset - icon->get_w() / 2 ,
 265                         get_h() / 2 - icon->get_h() / 2 + offset);
 266         }
 267
 268         if( use_title >= 0 )
 269                 draw_triangle_down_flat(get_w() - margin - resources->popupmenu_triangle_margin,
 270                         get_h() / 2 - TRIANGLE_H / 2, TRIANGLE_W, TRIANGLE_H);
 271
 272         flash(flush);
 273         return 0;
 274 }
 275
 276 int BC_PopupMenu::deactivate()
 277 {
 278         if(popup_down)
 279         {
 280                 top_level->active_popup_menu = 0;
 281                 popup_down = 0;
 282                 menu_popup->deactivate_menu();
 283
 284                 if(use_title) draw_title(1);    // draw the title
 285         }
 286         return 0;
 287 }
 288
 289 int BC_PopupMenu::activate_menu()
 290 {
 291         if( !get_button_down() || !BC_WindowBase::get_resources()->popupmenu_btnup )
 292                 return menu_activate();
 293         pending = 1;
 294         return 0;
 295 }
 296
 297 int BC_PopupMenu::menu_activate()
 298 {
 299         pending = 0;
 300         if( !popup_down )
 301         {
 302                 int x = this->x;
 303                 int y = this->y;
 304
 305                 top_level->deactivate();
 306                 top_level->active_popup_menu = this;
 307                 if(!use_title)
 308                 {
 309                         x = top_level->get_abs_cursor_x(0) - get_w();
 310                         y = top_level->get_abs_cursor_y(0) - get_h();
 311                         button_press_x = top_level->cursor_x;
 312                         button_press_y = top_level->cursor_y;
 313                 }
 314
 315                 if(use_title)
 316                 {
 317                         Window tempwin;
 318                         int new_x, new_y;
 319                         XTranslateCoordinates(top_level->display,
 320                                 win, top_level->rootwin,
 321                                 0, 0, &new_x, &new_y, &tempwin);
 322                         menu_popup->activate_menu(new_x, new_y,
 323                                 w, h, 0, 1);
 324                 }
 325                 else
 326                         menu_popup->activate_menu(x+3, y+3, w, h, 0, 1);
 327                 popup_down = 1;
 328                 if(use_title) draw_title(1);
 329         }
 330         return 0;
 331 }
 332
 333 int BC_PopupMenu::deactivate_menu()
 334 {
 335         deactivate();
 336         return 0;
 337 }
 338
 339
 340 int BC_PopupMenu::reposition_window(int x, int y)
 341 {
 342         BC_WindowBase::reposition_window(x, y);
 343         draw_title(0);
 344         return 0;
 345 }
 346
 347 int BC_PopupMenu::focus_out_event()
 348 {
 349         if( popup_down && !get_button_down() &&
 350             !cursor_inside() && !menu_popup->cursor_inside() )
 351                 deactivate();
 352         return 0;
 353 }
 354
 355
 356 int BC_PopupMenu::repeat_event(int64_t duration)
 357 {
 358         if( status == BUTTON_HI && !tooltip_done &&
 359                 tooltip_text && tooltip_text[0] != 0 &&
 360                 duration == top_level->get_resources()->tooltip_delay )
 361         {
 362                 show_tooltip();
 363                 tooltip_done = 1;
 364                 return 1;
 365         }
 366         return 0;
 367 }
 368
 369 int BC_PopupMenu::button_press_event()
 370 {
 371         if(get_buttonpress() == 1 &&
 372                 is_event_win() &&
 373                 use_title)
 374         {
 375                 top_level->hide_tooltip();
 376                 if(status == BUTTON_HI || status == BUTTON_UP) status = BUTTON_DN;
 377                 activate_menu();
 378                 draw_title(1);
 379                 return 1;
 380         }
 381
 382         // Scrolling section
 383         if (is_event_win()
 384                 && (get_buttonpress() == 4 || get_buttonpress() == 5)
 385                 && menu_popup->total_items() > 1 )
 386         {
 387                 int theval = -1;
 388                 for (int i = 0; i < menu_popup->total_items(); i++) {
 389                         if (!strcmp(menu_popup->menu_items.values[i]->get_text(),get_text())) {
 390                                 theval=i;
 391                                 break;
 392                         }
 393                 }
 394
 395                 if (theval == -1)                  theval=0;
 396                 else if (get_buttonpress() == 4)   theval--;
 397                 else if (get_buttonpress() == 5)   theval++;
 398
 399                 if (theval < 0)
 400                         theval=0;
 401                 if (theval >= menu_popup->total_items())
 402                         theval = menu_popup->total_items() - 1;
 403
 404                 BC_MenuItem *tmp = menu_popup->menu_items.values[theval];
 405                 set_text(tmp->get_text());
 406                 if (!tmp->handle_event())
 407                         this->handle_event();
 408         }
 409         if(popup_down)
 410         {
 411 // Menu is down so dispatch to popup.
 412                 menu_popup->dispatch_button_press();
 413                 return 1;
 414         }
 415
 416         return 0;
 417 }
 418
 419 int BC_PopupMenu::button_release_event()
 420 {
 421 // try the title
 422         int result = 0;
 423
 424         if(is_event_win() && use_title)
 425         {
 426                 hide_tooltip();
 427                 if(status == BUTTON_DN)
 428                 {
 429                         status = BUTTON_HI;
 430                         draw_title(1);
 431                 }
 432         }
 433
 434         if( pending )
 435                 return menu_activate();
 436
 437         if( !use_title && status == BUTTON_DN ) {
 438                 result = 1;
 439         }
 440         else if( popup_down && menu_popup->cursor_inside() ) {
 441 // Menu is down so dispatch to popup.
 442                 result = menu_popup->dispatch_button_release();
 443         }
 444 // released outside popup
 445         if( get_resources()->popupmenu_btnup && !result && popup_down ) {
 446                 deactivate();
 447                 result = 1;
 448         }
 449         hide_tooltip();
 450
 451         return result;
 452 }
 453
 454 int BC_PopupMenu::translation_event()
 455 {
 456 //printf("BC_PopupMenu::translation_event 1\n");
 457         if(popup_down) menu_popup->dispatch_translation_event();
 458         return 0;
 459 }
 460
 461 int BC_PopupMenu::cursor_leave_event()
 462 {
 463
 464         if(status == BUTTON_HI && use_title)
 465         {
 466                 status = BUTTON_UP;
 467                 draw_title(1);
 468                 hide_tooltip();
 469         }
 470
 471 // dispatch to popup
 472         if( popup_down ) {
 473                 if( !get_button_down() && !menu_popup->cursor_inside() ) {
 474                         status = BUTTON_UP;
 475                         deactivate_menu();
 476                 }
 477                 menu_popup->dispatch_cursor_leave();
 478         }
 479
 480         return 0;
 481 }
 482
 483
 484 int BC_PopupMenu::cursor_enter_event()
 485 {
 486         if(is_event_win() && use_title)
 487         {
 488                 tooltip_done = 0;
 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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