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, int y, int w, const char *text,
  45                 int use_title, VFrame **data, int margin)
  46  : BC_SubWindow(x, y, 0, 0, -1)
  47 {
  48         highlighted = popup_down = 0;
  49         menu_popup = 0;
  50         icon = 0;
  51         this->margin = margin >= 0 ? margin :
  52                 BC_WindowBase::get_resources()->popupmenu_margin;
  53         this->use_title = use_title;
  54         strcpy(this->text, text);
  55         for( int i=0; i<TOTAL_IMAGES; ++i ) images[i] = 0;
  56         this->data = data;
  57         this->w_argument = w;
  58         status = BUTTON_UP;
  59         pending = 0;
  60 }
  61
  62 BC_PopupMenu::BC_PopupMenu(int x, int y, const char *text,
  63                 int use_title, VFrame **data)
  64  : BC_SubWindow(x, y, 0, -1, -1)
  65 {
  66         highlighted = popup_down = 0;
  67         menu_popup = 0;
  68         icon = 0;
  69         this->margin = BC_WindowBase::get_resources()->popupmenu_margin;
  70         this->use_title = use_title;
  71         strcpy(this->text, text);
  72         for( int i=0; i<TOTAL_IMAGES; ++i ) images[i] = 0;
  73         this->data = data;
  74         this->w_argument = -1;
  75         status = BUTTON_UP;
  76         pending = 0;
  77 }
  78
  79 BC_PopupMenu::~BC_PopupMenu()
  80 {
  81         use_title = 0;
  82         deactivate();
  83         delete menu_popup;
  84         for( int i=0; i<TOTAL_IMAGES; ++i ) delete images[i];
  85 }
  86
  87 char* BC_PopupMenu::get_text()
  88 {
  89         return text;
  90 }
  91
  92 void BC_PopupMenu::set_text(const char *text)
  93 {
  94         if( use_title ) {
  95                 strcpy(this->text, text);
  96                 draw_title(1);
  97         }
  98 }
  99
 100 void BC_PopupMenu::set_icon(BC_Pixmap *icon)
 101 {
 102         if( use_title ) {
 103                 this->icon = icon;
 104                 if( menu_popup ) draw_title(1);
 105         }
 106 }
 107
 108 int BC_PopupMenu::initialize()
 109 {
 110         if( use_title ) {
 111                 if( data )
 112                         set_images(data);
 113                 else
 114                 if( BC_WindowBase::get_resources()->popupmenu_images )
 115                         set_images(BC_WindowBase::get_resources()->popupmenu_images);
 116                 else
 117                         set_images(BC_WindowBase::get_resources()->generic_button_images);
 118         }
 119         else {
 120 // Move outside window if no title
 121                 x = -10;  y = -10;
 122                 w = 10;   h = 10;
 123         }
 124
 125         BC_SubWindow::initialize();
 126
 127         menu_popup = new BC_MenuPopup;
 128         menu_popup->initialize(top_level, 0, 0, 0, this);
 129
 130         if( use_title ) draw_title(0);
 131
 132         return 0;
 133 }
 134
 135 int BC_PopupMenu::set_images(VFrame **data)
 136 {
 137         BC_Resources *resources = get_resources();
 138         for( int i=0; i<3; ++i ) {
 139                 delete images[i];
 140                 images[i] = new BC_Pixmap(parent_window, data[i], PIXMAP_ALPHA);
 141         }
 142
 143         if( w_argument >= 0 )
 144                 w = w_argument + margin +
 145                         resources->popupmenu_triangle_margin;
 146         else
 147                 w = get_text_width(MEDIUMFONT, text) + margin +
 148                         resources->popupmenu_triangle_margin;
 149
 150         h = images[BUTTON_UP]->get_h();
 151         return 0;
 152 }
 153
 154 int BC_PopupMenu::calculate_w(int w_argument)
 155 {
 156         return w_argument +
 157                 BC_WindowBase::get_resources()->popupmenu_margin +
 158                 BC_WindowBase::get_resources()->popupmenu_triangle_margin;
 159 }
 160
 161 int BC_PopupMenu::calculate_h(VFrame **data)
 162 {
 163         if( !data ) data = BC_WindowBase::get_resources()->popupmenu_images ?
 164                 BC_WindowBase::get_resources()->popupmenu_images :
 165                 BC_WindowBase::get_resources()->generic_button_images ;
 166
 167         return data[BUTTON_UP]->get_h();
 168 }
 169
 170 int BC_PopupMenu::add_item(BC_MenuItem *item)
 171 {
 172         menu_popup->add_item(item);
 173         return 0;
 174 }
 175
 176 int BC_PopupMenu::remove_item(BC_MenuItem *item)
 177 {
 178         menu_popup->remove_item(item);
 179         return 0;
 180 }
 181
 182 int BC_PopupMenu::del_item(BC_MenuItem *item)
 183 {
 184         menu_popup->del_item(item);
 185         return 0;
 186 }
 187
 188 int BC_PopupMenu::total_items()
 189 {
 190         return menu_popup->total_items();
 191 }
 192
 193 BC_MenuItem* BC_PopupMenu::get_item(int i)
 194 {
 195         return menu_popup->menu_items.values[i];
 196 }
 197
 198 int BC_PopupMenu::get_margin()
 199 {
 200         return margin;
 201 }
 202
 203 int BC_PopupMenu::draw_face(int dx)
 204 {
 205         if( !use_title ) return 0;
 206         BC_Resources *resources = get_resources();
 207
 208 // Background
 209         draw_top_background(parent_window, 0, 0, w, h);
 210         draw_3segmenth(0, 0, w, images[status]);
 211
 212 // Overlay text
 213         set_color(get_resources()->popup_title_text);
 214         int offset = status == BUTTON_DN ? 1 : 0;
 215         int available_w = get_w() - margin*2 - resources->popupmenu_triangle_margin;
 216         if( !icon ) {
 217                 set_font(MEDIUMFONT);
 218                 char truncated[BCTEXTLEN];
 219                 truncate_text(truncated, text, available_w);
 220
 221                 BC_WindowBase::draw_center_text(
 222                         dx + available_w/2 + margin + offset,
 223                         (int)((float)get_h()/2 + get_text_ascent(MEDIUMFONT)/2 - 2) + offset,
 224                         truncated);
 225         }
 226
 227         if( icon ) {
 228                 draw_pixmap(icon,
 229                         available_w/ 2 + margin + offset - icon->get_w()/2 ,
 230                         get_h()/2 - icon->get_h()/2 + offset);
 231         }
 232
 233         if( use_title >= 0 )
 234                 draw_triangle_down_flat(available_w + margin,
 235                         get_h()/2 - TRIANGLE_H/2, TRIANGLE_W, TRIANGLE_H);
 236         return 1;
 237 }
 238
 239 int BC_PopupMenu::draw_title(int flush)
 240 {
 241         draw_face(0);
 242         flash(flush);
 243         return 0;
 244 }
 245
 246 int BC_PopupMenu::deactivate()
 247 {
 248         if( popup_down ) {
 249                 top_level->active_popup_menu = 0;
 250                 popup_down = 0;
 251                 menu_popup->deactivate_menu();
 252
 253                 if( use_title ) draw_title(1);    // draw the title
 254         }
 255         return 0;
 256 }
 257
 258 int BC_PopupMenu::activate_menu()
 259 {
 260         if( !get_button_down() || !BC_WindowBase::get_resources()->popupmenu_btnup )
 261                 return menu_activate();
 262         top_level->active_popup_menu = this;
 263         pending = 1;
 264         return 0;
 265 }
 266
 267 int BC_PopupMenu::menu_activate()
 268 {
 269         pending = 0;
 270         if( !popup_down ) {
 271                 int x = this->x;
 272                 int y = this->y;
 273
 274                 top_level->deactivate();
 275                 top_level->active_popup_menu = this;
 276                 if( !use_title ) {
 277                         x = top_level->get_abs_cursor_x(0) - get_w();
 278                         y = top_level->get_abs_cursor_y(0) - get_h();
 279                         button_press_x = top_level->cursor_x;
 280                         button_press_y = top_level->cursor_y;
 281                 }
 282
 283                 if( use_title ) {
 284                         Window tempwin;
 285                         int new_x, new_y;
 286                         XTranslateCoordinates(top_level->display,
 287                                 win, top_level->rootwin,
 288                                 0, 0, &new_x, &new_y, &tempwin);
 289                         menu_popup->activate_menu(new_x, new_y,
 290                                 w, h, 0, 1);
 291                 }
 292                 else
 293                         menu_popup->activate_menu(x+3, y+3, w, h, 0, 1);
 294                 popup_down = 1;
 295                 if( use_title ) draw_title(1);
 296         }
 297         return 1;
 298 }
 299
 300 int BC_PopupMenu::deactivate_menu()
 301 {
 302         deactivate();
 303         return 0;
 304 }
 305
 306
 307 int BC_PopupMenu::reposition_window(int x, int y)
 308 {
 309         BC_WindowBase::reposition_window(x, y);
 310         draw_title(0);
 311         return 0;
 312 }
 313
 314 int BC_PopupMenu::focus_out_event()
 315 {
 316         if( popup_down && !get_button_down() &&
 317             !cursor_inside() && !menu_popup->cursor_inside() )
 318                 deactivate();
 319         return 0;
 320 }
 321
 322
 323 int BC_PopupMenu::repeat_event(int64_t duration)
 324 {
 325         if( status == BUTTON_HI &&
 326                 tooltip_text && tooltip_text[0] != 0 &&
 327                 duration == top_level->get_resources()->tooltip_delay ) {
 328                 show_tooltip();
 329                 return 1;
 330         }
 331         return 0;
 332 }
 333
 334 int BC_PopupMenu::button_press_event()
 335 {
 336         int result = 0;
 337         if( get_buttonpress() == 1 &&
 338                 is_event_win() &&
 339                 use_title ) {
 340                 top_level->hide_tooltip();
 341                 if( status == BUTTON_HI || status == BUTTON_UP ) status = BUTTON_DN;
 342                 activate_menu();
 343                 draw_title(1);
 344                 return 1;
 345         }
 346
 347         // Scrolling section
 348         if( is_event_win()
 349                 && (get_buttonpress() == 4 || get_buttonpress() == 5)
 350                 && menu_popup->total_items() > 1  ) {
 351                 int theval = -1;
 352                 for( int i=0; i<menu_popup->total_items(); ++i ) {
 353                         if( !strcmp(menu_popup->menu_items.values[i]->get_text(),get_text()) ) {
 354                                 theval = i;
 355                                 break;
 356                         }
 357                 }
 358
 359                 if( theval == -1 ) theval = 0;
 360                 else if( get_buttonpress() == 4 ) --theval;
 361                 else if( get_buttonpress() == 5 ) ++theval;
 362
 363                 if( theval < 0 )
 364                         theval = 0;
 365                 else if( theval >= menu_popup->total_items() )
 366                         theval = menu_popup->total_items() - 1;
 367
 368                 BC_MenuItem *tmp = menu_popup->menu_items.values[theval];
 369                 set_text(tmp->get_text());
 370                 result = tmp->handle_event();
 371                 if( !result )
 372                         result = this->handle_event();
 373         }
 374         if( popup_down ) {
 375 // Menu is down so dispatch to popup.
 376                 menu_popup->dispatch_button_press();
 377                 result = 1;
 378         }
 379
 380         return result;
 381 }
 382
 383 int BC_PopupMenu::button_release_event()
 384 {
 385 // try the title
 386         int result = 0;
 387
 388         if( is_event_win() && use_title ) {
 389                 hide_tooltip();
 390                 if( status == BUTTON_DN ) {
 391                         status = BUTTON_HI;
 392                         draw_title(1);
 393                 }
 394         }
 395
 396         if( pending )
 397                 return menu_activate();
 398
 399         if( !use_title && status == BUTTON_DN ) {
 400                 result = 1;
 401         }
 402         else if( popup_down && menu_popup->cursor_inside() ) {
 403 // Menu is down so dispatch to popup.
 404                 result = menu_popup->dispatch_button_release();
 405         }
 406 // released outside popup
 407         if( get_resources()->popupmenu_btnup && !result && popup_down ) {
 408                 deactivate();
 409                 result = 1;
 410         }
 411         hide_tooltip();
 412
 413         return result;
 414 }
 415
 416 int BC_PopupMenu::translation_event()
 417 {
 418 //printf("BC_PopupMenu::translation_event 1\n");
 419         if( popup_down ) menu_popup->dispatch_translation_event();
 420         return 0;
 421 }
 422
 423 int BC_PopupMenu::cursor_leave_event()
 424 {
 425
 426         if( status == BUTTON_HI && use_title ) {
 427                 status = BUTTON_UP;
 428                 draw_title(1);
 429                 hide_tooltip();
 430         }
 431
 432 // dispatch to popup
 433         if( popup_down ) {
 434                 if( !get_button_down() && !menu_popup->cursor_inside() ) {
 435                         status = BUTTON_UP;
 436 //                      deactivate_menu();
 437                 }
 438                 menu_popup->dispatch_cursor_leave();
 439         }
 440
 441         return 0;
 442 }
 443
 444
 445 int BC_PopupMenu::cursor_enter_event()
 446 {
 447         if( is_event_win() && use_title ) {
 448                 if( top_level->button_down ) {
 449                         status = BUTTON_DN;
 450                 }
 451                 else
 452                 if( status == BUTTON_UP )
 453                         status = BUTTON_HI;
 454                 draw_title(1);
 455         }
 456
 457         return 0;
 458 }
 459
 460 int BC_PopupMenu::cursor_motion_event()
 461 {
 462         int result = 0;
 463
 464 // This menu is down.
 465         if( popup_down ) {
 466                 result = menu_popup->dispatch_motion_event();
 467         }
 468
 469         if( !result && use_title && is_event_win() ) {
 470                 if( highlighted ) {
 471                         if( !cursor_inside() ) {
 472                                 highlighted = 0;
 473                                 draw_title(1);
 474                         }
 475                 }
 476                 else {
 477                         if( cursor_inside() ) {
 478                                 highlighted = 1;
 479                                 draw_title(1);
 480                                 result = 1;
 481                         }
 482                 }
 483         }
 484
 485         return result;
 486 }
 487
 488 int BC_PopupMenu::drag_start_event()
 489 {
 490 //printf("BC_PopupMenu::drag_start_event %d\n", popup_down);
 491         if( popup_down ) return 1;
 492         return 0;
 493 }
 494
 495 int BC_PopupMenu::drag_stop_event()
 496 {
 497         if( popup_down ) return 1;
 498         return 0;
 499 }
 500
 501 int BC_PopupMenu::drag_motion_event()
 502 {
 503         if( popup_down ) return 1;
 504         return 0;
 505 }
 506