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                 if(use_title)
 305                 {
 306                         Window tempwin;
 307                         int new_x, new_y;
 308                         XTranslateCoordinates(top_level->display,
 309                                 win, top_level->rootwin,
 310                                 0, 0, &new_x, &new_y, &tempwin);
 311                         menu_popup->activate_menu(new_x, new_y,
 312                                 w, h, 0, 1);
 313                 }
 314                 else
 315 // back off x,y just a bit so the menu doesnt deactivate without motion
 316                         menu_popup->activate_menu(x-10, y-10, w, h, 0, 1);
 317                 popup_down = 1;
 318                 if(use_title) draw_title(1);
 319         }
 320         return 0;
 321 }
 322
 323 int BC_PopupMenu::deactivate_menu()
 324 {
 325         deactivate();
 326         return 0;
 327 }
 328
 329
 330 int BC_PopupMenu::reposition_window(int x, int y)
 331 {
 332         BC_WindowBase::reposition_window(x, y);
 333         draw_title(0);
 334         return 0;
 335 }
 336
 337 int BC_PopupMenu::focus_out_event()
 338 {
 339         if( popup_down && !get_button_down() &&
 340             !cursor_inside() && !menu_popup->cursor_inside() )
 341                 deactivate();
 342         return 0;
 343 }
 344
 345
 346 int BC_PopupMenu::repeat_event(int64_t duration)
 347 {
 348         if( status == BUTTON_HI && !tooltip_done &&
 349                 tooltip_text && tooltip_text[0] != 0 &&
 350                 duration == top_level->get_resources()->tooltip_delay )
 351         {
 352                 show_tooltip();
 353                 tooltip_done = 1;
 354                 return 1;
 355         }
 356         return 0;
 357 }
 358
 359 int BC_PopupMenu::button_press_event()
 360 {
 361         if(get_buttonpress() == 1 &&
 362                 is_event_win() &&
 363                 use_title)
 364         {
 365                 top_level->hide_tooltip();
 366                 if(status == BUTTON_HI || status == BUTTON_UP) status = BUTTON_DN;
 367                 activate_menu();
 368                 draw_title(1);
 369                 return 1;
 370         }
 371
 372         // Scrolling section
 373         if (is_event_win()
 374                 && (get_buttonpress() == 4 || get_buttonpress() == 5)
 375                 && menu_popup->total_menuitems() > 1 )
 376         {
 377                 int theval = -1;
 378                 for (int i = 0; i < menu_popup->total_menuitems(); i++) {
 379                         if (!strcmp(menu_popup->menu_items.values[i]->get_text(),get_text())) {
 380                                 theval=i;
 381                                 break;
 382                         }
 383                 }
 384
 385                 if (theval == -1)                  theval=0;
 386                 else if (get_buttonpress() == 4)   theval--;
 387                 else if (get_buttonpress() == 5)   theval++;
 388
 389                 if (theval < 0)
 390                         theval=0;
 391                 if (theval >= menu_popup->total_menuitems())
 392                         theval = menu_popup->total_menuitems() - 1;
 393
 394                 BC_MenuItem *tmp = menu_popup->menu_items.values[theval];
 395                 set_text(tmp->get_text());
 396                 if (!tmp->handle_event())
 397                         this->handle_event();
 398         }
 399         if(popup_down)
 400         {
 401 // Menu is down so dispatch to popup.
 402                 menu_popup->dispatch_button_press();
 403                 return 1;
 404         }
 405
 406         return 0;
 407 }
 408
 409 int BC_PopupMenu::button_release_event()
 410 {
 411 // try the title
 412         int result = 0;
 413
 414         if(is_event_win() && use_title)
 415         {
 416                 hide_tooltip();
 417                 if(status == BUTTON_DN)
 418                 {
 419                         status = BUTTON_HI;
 420                         draw_title(1);
 421                 }
 422         }
 423
 424         if( !use_title && status == BUTTON_DN ) {
 425                 result = 1;
 426         }
 427         else if(popup_down) {
 428 // Menu is down so dispatch to popup.
 429                 result = menu_popup->dispatch_button_release();
 430         }
 431 // released outside popup
 432         if( !result && popup_down ) {
 433                 deactivate();
 434                 result = 1;
 435         }
 436         hide_tooltip();
 437
 438         return result;
 439 }
 440
 441 int BC_PopupMenu::translation_event()
 442 {
 443 //printf("BC_PopupMenu::translation_event 1\n");
 444         if(popup_down) menu_popup->dispatch_translation_event();
 445         return 0;
 446 }
 447
 448 int BC_PopupMenu::cursor_leave_event()
 449 {
 450
 451         if(status == BUTTON_HI && use_title)
 452         {
 453                 status = BUTTON_UP;
 454                 draw_title(1);
 455                 hide_tooltip();
 456         }
 457
 458 // dispatch to popup
 459         if( popup_down ) {
 460                 if( !get_button_down() && !menu_popup->cursor_inside() )
 461                         deactivate_menu();
 462                 menu_popup->dispatch_cursor_leave();
 463         }
 464
 465         return 0;
 466 }
 467
 468
 469 int BC_PopupMenu::cursor_enter_event()
 470 {
 471         if(is_event_win() && use_title)
 472         {
 473                 tooltip_done = 0;
 474                 if(top_level->button_down)
 475                 {
 476                         status = BUTTON_DN;
 477                 }
 478                 else
 479                 if(status == BUTTON_UP)
 480                         status = BUTTON_HI;
 481                 draw_title(1);
 482         }
 483
 484         return 0;
 485 }
 486
 487 int BC_PopupMenu::cursor_motion_event()
 488 {
 489         int result = 0;
 490
 491 // This menu is down.
 492         if(popup_down)
 493         {
 494                 result = menu_popup->dispatch_motion_event();
 495         }
 496
 497         if(!result && use_title && top_level->event_win == win)
 498         {
 499                 if(highlighted)
 500                 {
 501                         if(cursor_inside())
 502                         {
 503                                 highlighted = 0;
 504                                 draw_title(1);
 505                         }
 506                 }
 507                 else
 508                 {
 509                         if(cursor_inside())
 510                         {
 511                                 highlighted = 1;
 512                                 draw_title(1);
 513                                 result = 1;
 514                         }
 515                 }
 516         }
 517
 518         return result;
 519 }
 520
 521 int BC_PopupMenu::drag_start_event()
 522 {
 523 //printf("BC_PopupMenu::drag_start_event %d\n", popup_down);
 524         if(popup_down) return 1;
 525         return 0;
 526 }
 527
 528 int BC_PopupMenu::drag_stop_event()
 529 {
 530         if(popup_down) return 1;
 531         return 0;
 532 }
 533
 534 int BC_PopupMenu::drag_motion_event()
 535 {
 536         if(popup_down) return 1;
 537         return 0;
 538 }
 539
 540
 541
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 543
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 545