cinelerra-5.1/cinelerra/preferencesthread.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2011 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 "aboutprefs.h"
  23 #include "appearanceprefs.h"
  24 #include "asset.h"
  25 #include "audiodevice.inc"
  26 #include "bcsignals.h"
  27 #include "bctrace.h"
  28 #include "cache.h"
  29 #include "cplayback.h"
  30 #include "cwindow.h"
  31 #include "cwindowgui.h"
  32 #include "bchash.h"
  33 #include "edl.h"
  34 #include "edlsession.h"
  35 #include "filesystem.h"
  36 #include "fonts.h"
  37 #include "interfaceprefs.h"
  38 #include "keys.h"
  39 #include "language.h"
  40 #include "levelwindow.h"
  41 #include "levelwindowgui.h"
  42 #include "mainclock.h"
  43 #include "mainerror.h"
  44 #include "mbuttons.h"
  45 #include "meterpanel.h"
  46 #include "mutex.h"
  47 #include "mwindow.h"
  48 #include "mwindowgui.h"
  49 #include "patchbay.h"
  50 #include "performanceprefs.h"
  51 #include "playbackengine.h"
  52 #include "playbackprefs.h"
  53 #include "preferences.h"
  54 #include "recordprefs.h"
  55 #include "shbtnprefs.h"
  56 #include "theme.h"
  57 #include "trackcanvas.h"
  58 #include "transportque.h"
  59 #include "vwindow.h"
  60 #include "vwindowgui.h"
  61
  62 #include <string.h>
  63
  64
  65
  66 #define WIDTH 800
  67 #define HEIGHT 700
  68
  69
  70 PreferencesMenuitem::PreferencesMenuitem(MWindow *mwindow)
  71  : BC_MenuItem(_("Preferences..."), _("Shift-P"), 'P')
  72 {
  73         this->mwindow = mwindow;
  74
  75         set_shift(1);
  76         thread = new PreferencesThread(mwindow);
  77 }
  78
  79 PreferencesMenuitem::~PreferencesMenuitem()
  80 {
  81         delete thread;
  82 }
  83
  84
  85 int PreferencesMenuitem::handle_event()
  86 {
  87         mwindow->gui->unlock_window();
  88         thread->start();
  89         mwindow->gui->lock_window("PreferencesMenuitem::handle_event");
  90         return 1;
  91 }
  92
  93
  94
  95
  96 PreferencesThread::PreferencesThread(MWindow *mwindow)
  97  : BC_DialogThread()
  98 {
  99         this->mwindow = mwindow;
 100         window = 0;
 101         thread_running = 0;
 102 }
 103
 104 PreferencesThread::~PreferencesThread()
 105 {
 106         close_window();
 107 }
 108
 109 BC_Window* PreferencesThread::new_gui()
 110 {
 111
 112         preferences = new Preferences;
 113         edl = new EDL;
 114         edl->create_objects();
 115         current_dialog = mwindow->defaults->get("DEFAULTPREF", 0);
 116         preferences->copy_from(mwindow->preferences);
 117         edl->copy_session(mwindow->edl);
 118         redraw_indexes = 0;
 119         redraw_meters = 0;
 120         redraw_times = 0;
 121         redraw_overlays = 0;
 122         close_assets = 0;
 123         reload_plugins = 0;
 124         //int need_new_indexes = 0;
 125         rerender = 0;
 126
 127         mwindow->gui->lock_window("NewThread::new_gui");
 128         int scr_x = mwindow->gui->get_screen_x(0, -1);
 129         int scr_w = mwindow->gui->get_screen_w(0, -1);
 130         int scr_h = mwindow->gui->get_screen_h(0, -1);
 131
 132         int w = WIDTH, h = HEIGHT;
 133         int min_w = mwindow->theme->preferencescategory_x;
 134         for(int i = 0; i < CATEGORIES; i++) {
 135                 min_w += PreferencesButton::calculate_w(mwindow->gui, category_to_text(i)) -
 136                         mwindow->theme->preferences_category_overlap;
 137         }
 138         if( w < min_w ) w = min_w;
 139         int x = scr_x + scr_w / 2 - w / 2;
 140         int y = scr_h / 2 - h / 2;
 141
 142         window = new PreferencesWindow(mwindow, this, x, y, w, h);
 143         window->create_objects();
 144         mwindow->gui->unlock_window();
 145
 146         thread_running = 1;
 147         return window;
 148 }
 149
 150 void PreferencesThread::handle_close_event(int result)
 151 {
 152         thread_running = 0;
 153         if(!result)
 154         {
 155                 apply_settings();
 156                 mwindow->save_defaults();
 157         }
 158
 159         window = 0;
 160         delete preferences;
 161         edl->Garbage::remove_user();
 162         preferences = 0;
 163         edl = 0;
 164
 165         mwindow->defaults->update("DEFAULTPREF", current_dialog);
 166         if( mwindow->restart() )
 167                 mwindow->gui->set_done(0);
 168 }
 169
 170
 171
 172 int PreferencesThread::update_framerate()
 173 {
 174         if(thread_running)
 175         {
 176                 lock_gui("PreferencesThread::update_framerate");
 177                 PreferencesWindow *window = (PreferencesWindow*)get_gui();
 178                 if(window) window->update_framerate();
 179                 unlock_gui();
 180         }
 181         return 0;
 182 }
 183
 184
 185 void PreferencesThread::update_rates()
 186 {
 187         if(thread_running)
 188         {
 189                 lock_gui("PreferencesThread::update_framerate");
 190                 PreferencesWindow *window = (PreferencesWindow*)get_gui();
 191                 if(window) window->update_rates();
 192                 unlock_gui();
 193         }
 194 }
 195
 196 int PreferencesThread::apply_settings()
 197 {
 198 // Compare sessions
 199
 200         PlaybackConfig *this_playback_config = edl->session->playback_config;
 201         AudioOutConfig *this_aconfig = this_playback_config->aconfig;
 202         VideoOutConfig *this_vconfig = this_playback_config->vconfig;
 203         PlaybackConfig *playback_config = mwindow->edl->session->playback_config;
 204         AudioOutConfig *aconfig = playback_config->aconfig;
 205         VideoOutConfig *vconfig = playback_config->vconfig;
 206
 207         rerender =
 208                 edl->session->need_rerender(mwindow->edl->session) ||
 209                 (preferences->force_uniprocessor != mwindow->preferences->force_uniprocessor) ||
 210                 this_playback_config->active_config != playback_config->active_config ||
 211                 (*this_aconfig != *aconfig) || (*this_vconfig != *vconfig) ||
 212                 !preferences->brender_asset->equivalent(*mwindow->preferences->brender_asset, 0, 1, edl);
 213
 214         if( preferences->yuv_color_space != mwindow->preferences->yuv_color_space ||
 215             preferences->yuv_color_range != mwindow->preferences->yuv_color_range ) {
 216                 YUV::yuv.yuv_set_colors(
 217                         preferences->yuv_color_space,
 218                         preferences->yuv_color_range);
 219                 rerender = 1;
 220         }
 221
 222         if( preferences->highlight_inverse != mwindow->preferences->highlight_inverse ) {
 223                 mwindow->gui->lock_window("PreferencesThread::apply_settings 0");
 224                 mwindow->gui->hide_cursor(0);
 225                 mwindow->gui->unlock_window();
 226                 redraw_overlays = 1;
 227         }
 228         PreferencesWindow *window = (PreferencesWindow*)get_gui();
 229         if( window ) window->unlock_window();
 230         mwindow->init_brender();
 231         if( window ) window->lock_window("PreferencesThread::apply_settings 5");
 232
 233         if( strcmp(preferences->theme, mwindow->preferences->theme) != 0 )
 234                 mwindow->restart_status = -1; // reload, need new bcresources
 235         if( strcmp(preferences->plugin_icons, mwindow->preferences->plugin_icons) != 0 )
 236                 mwindow->restart_status = -1;
 237
 238         mwindow->edl->copy_session(edl, 1);
 239         mwindow->preferences->copy_from(preferences);
 240
 241         BC_Signals::set_catch_segv(mwindow->preferences->trap_sigsegv);
 242         BC_Signals::set_catch_intr(mwindow->preferences->trap_sigintr);
 243         BC_WindowBase::get_resources()->popupmenu_btnup = mwindow->preferences->popupmenu_btnup;
 244         BC_WindowBase::get_resources()->grab_input_focus = mwindow->preferences->grab_input_focus;
 245         BC_WindowBase::get_resources()->textbox_focus_policy = mwindow->preferences->textbox_focus_policy;
 246         if( mwindow->preferences->trap_sigsegv || mwindow->preferences->trap_sigintr ) {
 247                 BC_Trace::enable_locks();
 248         }
 249         else {
 250                 BC_Trace::disable_locks();
 251         }
 252
 253         mwindow->reset_android_remote();
 254         int ffmpeg_early_probe = mwindow->preferences->get_file_probe_armed("FFMPEG_Early");
 255         mwindow->gui->ffmpeg_toggle->update(ffmpeg_early_probe);
 256         mwindow->gui->ffmpeg_toggle->set_tooltip(ffmpeg_early_probe ?
 257                 FFMPEG_EARLY_TIP : FFMPEG_LATE_TIP);
 258         mwindow->gui->mainshbtns->load(mwindow->preferences);
 259
 260 //edl->session->recording_format->dump();
 261 //mwindow->edl->session->recording_format->dump();
 262
 263         if(((mwindow->edl->session->output_w % 4) ||
 264                 (mwindow->edl->session->output_h % 4)) &&
 265                 mwindow->edl->session->playback_config->vconfig->driver == PLAYBACK_X11_GL)
 266         {
 267                 MainError::show_error(
 268                         _("This project's dimensions are not multiples of 4 so\n"
 269                         "it can't be rendered by OpenGL."));
 270         }
 271
 272
 273         if(redraw_meters)
 274         {
 275                 mwindow->cwindow->gui->lock_window("PreferencesThread::apply_settings");
 276                 mwindow->cwindow->gui->meters->change_format(edl->session->meter_format,
 277                         edl->session->min_meter_db,
 278                         edl->session->max_meter_db);
 279                 mwindow->cwindow->gui->unlock_window();
 280
 281
 282
 283                 for(int i = 0; i < mwindow->vwindows.size(); i++) {
 284                         VWindow *vwindow = mwindow->vwindows.get(i);
 285                         if( !vwindow->is_running() ) continue;
 286                         vwindow->gui->lock_window("PreferencesThread::apply_settings");
 287                         vwindow->gui->meters->change_format(edl->session->meter_format,
 288                                 edl->session->min_meter_db,
 289                                 edl->session->max_meter_db);
 290                         vwindow->gui->unlock_window();
 291
 292                 }
 293
 294
 295                 mwindow->gui->lock_window("PreferencesThread::apply_settings 1");
 296                 mwindow->gui->set_meter_format(edl->session->meter_format,
 297                         edl->session->min_meter_db,
 298                         edl->session->max_meter_db);
 299                 mwindow->gui->unlock_window();
 300
 301
 302
 303                 mwindow->lwindow->gui->lock_window("PreferencesThread::apply_settings");
 304                 mwindow->lwindow->gui->panel->change_format(edl->session->meter_format,
 305                         edl->session->min_meter_db,
 306                         edl->session->max_meter_db);
 307                 mwindow->lwindow->gui->unlock_window();
 308         }
 309
 310         if(redraw_overlays)
 311         {
 312                 mwindow->gui->lock_window("PreferencesThread::apply_settings 2");
 313                 mwindow->gui->show_cursor(0);
 314                 mwindow->gui->draw_overlays(1);
 315                 mwindow->gui->unlock_window();
 316         }
 317
 318         if(redraw_times)
 319         {
 320                 mwindow->gui->lock_window("PreferencesThread::apply_settings 3");
 321                 mwindow->gui->update(0, 0, 1, 0, 0, 1, 0);
 322                 mwindow->gui->redraw_time_dependancies();
 323                 mwindow->gui->unlock_window();
 324         }
 325
 326         if(rerender)
 327         {
 328 //printf("PreferencesThread::apply_settings 1\n");
 329 // This doesn't stop and restart, only reloads the assets before
 330 // the next play command.
 331                 mwindow->cwindow->refresh_frame(CHANGE_ALL, mwindow->edl);
 332 //printf("PreferencesThread::apply_settings 10\n");
 333         }
 334
 335         if(redraw_times || redraw_overlays)
 336         {
 337                 mwindow->gui->lock_window("PreferencesThread::apply_settings 4");
 338                 mwindow->gui->flush();
 339                 mwindow->gui->unlock_window();
 340         }
 341
 342         return 0;
 343 }
 344
 345 const char* PreferencesThread::category_to_text(int category)
 346 {
 347         PlaybackConfig *playback_config = edl->session->playback_config;
 348         switch(category)
 349         {
 350                 case PLAYBACK_A:
 351                         return playback_config->active_config==0 ?
 352                                  _("*Playback A") : _("Playback A");
 353                 case PLAYBACK_B:
 354                         return playback_config->active_config==1 ?
 355                                  _("*Playback B") : _("Playback B");
 356                 case RECORD:
 357                         return _("Recording");
 358                 case PERFORMANCE:
 359                         return _("Performance");
 360                 case INTERFACE:
 361                         return _("Interface");
 362                 case APPEARANCE:
 363                         return _("Appearance");
 364                 case ABOUT:
 365                         return _("About");
 366         }
 367         return "";
 368 }
 369
 370 int PreferencesThread::text_to_category(const char *category)
 371 {
 372 SET_TRACE
 373         int min_result = -1, result, result_num = 0;
 374         for(int i = 0; i < CATEGORIES; i++)
 375         {
 376                 result = labs(strcmp(category_to_text(i), category));
 377                 if(result < min_result || min_result < 0)
 378                 {
 379                         min_result = result;
 380                         result_num = i;
 381                 }
 382         }
 383 SET_TRACE
 384         return result_num;
 385 }
 386
 387
 388
 389
 390
 391
 392
 393
 394 PreferencesWindow::PreferencesWindow(MWindow *mwindow,
 395         PreferencesThread *thread, int x, int y, int w, int h)
 396  : BC_Window(_(PROGRAM_NAME ": Preferences"), x,y, w,h,w,h, 1)
 397 {
 398         this->mwindow = mwindow;
 399         this->thread = thread;
 400         dialog = 0;
 401         category = 0;
 402 }
 403
 404 PreferencesWindow::~PreferencesWindow()
 405 {
 406         lock_window("PreferencesWindow::~PreferencesWindow");
 407         delete category;
 408
 409
 410         if(dialog) delete dialog;
 411
 412
 413         for(int i = 0; i < categories.total; i++)
 414                 delete categories.values[i];
 415         unlock_window();
 416 }
 417
 418 void PreferencesWindow::create_objects()
 419 {
 420         BC_Button *button;
 421
 422         lock_window("PreferencesWindow::create_objects");
 423         set_icon(mwindow->theme->get_image("mwindow_icon"));
 424         mwindow->theme->draw_preferences_bg(this);
 425         flash();
 426
 427         int x = mwindow->theme->preferencescategory_x;
 428         int y = mwindow->theme->preferencescategory_y;
 429         for(int i = 0; i < CATEGORIES; i++)
 430         {
 431                 add_subwindow(category_button[i] = new PreferencesButton(mwindow,
 432                         thread, x, y, i, thread->category_to_text(i),
 433                         (i == thread->current_dialog) ?
 434                                 mwindow->theme->get_image_set("category_button_checked") :
 435                                 mwindow->theme->get_image_set("category_button")));
 436                 x += category_button[i]->get_w() -
 437                         mwindow->theme->preferences_category_overlap;
 438         }
 439
 440
 441 //      for(int i = 0; i < CATEGORIES; i++)
 442 //              categories.append(new BC_ListBoxItem(thread->category_to_text(i)));
 443 //      category = new PreferencesCategory(mwindow,
 444 //              thread,
 445 //              mwindow->theme->preferencescategory_x,
 446 //              mwindow->theme->preferencescategory_y);
 447 //      category->create_objects();
 448
 449
 450         add_subwindow(button = new PreferencesOK(mwindow, thread));
 451         add_subwindow(new PreferencesApply(mwindow, thread));
 452         add_subwindow(new PreferencesCancel(mwindow, thread));
 453
 454         set_current_dialog(thread->current_dialog);
 455
 456         show_window();
 457         unlock_window();
 458 }
 459
 460 int PreferencesWindow::update_framerate()
 461 {
 462         lock_window("PreferencesWindow::update_framerate");
 463         if(thread->current_dialog < PreferencesThread::RECORD)
 464         {
 465                 dialog->draw_framerate(1);
 466 //              flash();
 467         }
 468         unlock_window();
 469         return 0;
 470 }
 471
 472
 473 void PreferencesWindow::update_rates()
 474 {
 475         lock_window("PreferencesWindow::update_rates");
 476         if(thread->current_dialog == PreferencesThread::PERFORMANCE)
 477         {
 478                 dialog->update_rates();
 479         }
 480         unlock_window();
 481 }
 482
 483
 484 int PreferencesWindow::set_current_dialog(int number)
 485 {
 486         if(dialog) delete dialog;
 487         dialog = 0;
 488         thread->current_dialog = number;
 489
 490 //PRINT_TRACE
 491         PreferencesDialog *dialog2 = dialog;
 492         dialog = 0;
 493 //PRINT_TRACE
 494
 495 // Redraw category buttons
 496         for(int i = 0; i < CATEGORIES; i++)
 497         {
 498                 if(i == number)
 499                 {
 500                         category_button[i]->set_images(
 501                                 mwindow->theme->get_image_set("category_button_checked"));
 502                 }
 503                 else
 504                 {
 505                         category_button[i]->set_images(
 506                                 mwindow->theme->get_image_set("category_button"));
 507                 }
 508                 category_button[i]->draw_face(0);
 509
 510 // Copy face to background for next button's overlap.
 511 // Still can't do state changes right.
 512         }
 513
 514
 515 //PRINT_TRACE
 516         PlaybackConfig *playback_config = thread->edl->session->playback_config;
 517         switch(number)
 518         {
 519                 case PreferencesThread::PLAYBACK_A:
 520                 case PreferencesThread::PLAYBACK_B:
 521                         playback_config->load_defaults(mwindow->defaults,
 522                                 number == PreferencesThread::PLAYBACK_A ? 0 : 1);
 523                         add_subwindow(dialog = new PlaybackPrefs(mwindow, this, number));
 524                         break;
 525
 526                 case PreferencesThread::RECORD:
 527                         add_subwindow(dialog = new RecordPrefs(mwindow, this));
 528                         break;
 529
 530                 case PreferencesThread::PERFORMANCE:
 531                         add_subwindow(dialog = new PerformancePrefs(mwindow, this));
 532                         break;
 533
 534                 case PreferencesThread::INTERFACE:
 535                         add_subwindow(dialog = new InterfacePrefs(mwindow, this));
 536                         break;
 537
 538                 case PreferencesThread::APPEARANCE:
 539                         add_subwindow(dialog = new AppearancePrefs(mwindow, this));
 540                         break;
 541
 542                 case PreferencesThread::ABOUT:
 543                         add_subwindow(dialog = new AboutPrefs(mwindow, this));
 544                         break;
 545         }
 546
 547 //PRINT_TRACE
 548         if(dialog)
 549         {
 550                 dialog->draw_top_background(this, 0, 0, dialog->get_w(), dialog->get_h());
 551 //printf("PreferencesWindow::set_current_dialog %d\n", __LINE__);
 552                 dialog->create_objects();
 553 //printf("PreferencesWindow::set_current_dialog %d\n", __LINE__);
 554                 dialog->lower_window();
 555                 dialog->show_window(0);
 556         }
 557
 558         if(dialog2)
 559         {
 560                 dialog2->hide_window(0);
 561                 delete dialog2;
 562         }
 563
 564         return 0;
 565 }
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577 PreferencesButton::PreferencesButton(MWindow *mwindow,
 578         PreferencesThread *thread,
 579         int x,
 580         int y,
 581         int category,
 582         const char *text,
 583         VFrame **images)
 584  : BC_GenericButton(x, y, text, images)
 585 {
 586         this->mwindow = mwindow;
 587         this->thread = thread;
 588         this->category = category;
 589 }
 590
 591 int PreferencesButton::handle_event()
 592 {
 593         thread->window->set_current_dialog(category);
 594         return 1;
 595 }
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605 PreferencesDialog::PreferencesDialog(MWindow *mwindow,
 606         PreferencesWindow *pwindow)
 607  : BC_SubWindow(10,
 608         40,
 609         pwindow->get_w() - 20,
 610         pwindow->get_h() - BC_GenericButton::calculate_h() - 10 - 40)
 611 {
 612         this->pwindow = pwindow;
 613         this->mwindow = mwindow;
 614         preferences = pwindow->thread->preferences;
 615 }
 616
 617 PreferencesDialog::~PreferencesDialog()
 618 {
 619 }
 620
 621 // ============================== category window
 622
 623
 624
 625
 626 PreferencesApply::PreferencesApply(MWindow *mwindow, PreferencesThread *thread)
 627  : BC_GenericButton(thread->window->get_w() / 2 - BC_GenericButton::calculate_w(thread->window, _("Apply")) / 2,
 628         thread->window->get_h() - BC_GenericButton::calculate_h() - 10,
 629         _("Apply"))
 630 {
 631         this->mwindow = mwindow;
 632         this->thread = thread;
 633 }
 634 int PreferencesApply::handle_event()
 635 {
 636         thread->apply_settings();
 637         return 1;
 638 }
 639 int PreferencesApply::resize_event(int w, int h)
 640 {
 641         reposition_window(w/2 - get_w()/2, h-get_h()-10);
 642         return 1;
 643 }
 644
 645
 646
 647
 648 PreferencesOK::PreferencesOK(MWindow *mwindow, PreferencesThread *thread)
 649  : BC_GenericButton(10,
 650         thread->window->get_h() - BC_GenericButton::calculate_h() - 10,
 651         _("OK"))
 652 {
 653         this->mwindow = mwindow;
 654         this->thread = thread;
 655 }
 656 int PreferencesOK::keypress_event()
 657 {
 658         if(get_keypress() == RETURN)
 659         {
 660                 thread->window->set_done(0);
 661                 return 1;
 662         }
 663         return 0;
 664 }
 665 int PreferencesOK::handle_event()
 666 {
 667         thread->window->set_done(0);
 668         return 1;
 669 }
 670 int PreferencesOK::resize_event(int w, int h)
 671 {
 672         reposition_window(10, h-get_h()-10);
 673         return 1;
 674 }
 675
 676
 677
 678 PreferencesCancel::PreferencesCancel(MWindow *mwindow, PreferencesThread *thread)
 679  : BC_GenericButton(thread->window->get_w() - BC_GenericButton::calculate_w(thread->window, _("Cancel")) - 10,
 680         thread->window->get_h() - BC_GenericButton::calculate_h() - 10,
 681         _("Cancel"))
 682 {
 683         this->mwindow = mwindow;
 684         this->thread = thread;
 685 }
 686 int PreferencesCancel::keypress_event()
 687 {
 688         if(get_keypress() == ESC)
 689         {
 690                 thread->window->set_done(1);
 691                 return 1;
 692         }
 693         return 0;
 694 }
 695 int PreferencesCancel::handle_event()
 696 {
 697         thread->window->set_done(1);
 698         return 1;
 699 }
 700 int PreferencesCancel::resize_event(int w, int h)
 701 {
 702         reposition_window(w-get_w()-10, h-get_h()-10);
 703         return 1;
 704 }
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715 PreferencesCategory::PreferencesCategory(MWindow *mwindow, PreferencesThread *thread, int x, int y)
 716  : BC_PopupTextBox(thread->window,
 717                 &thread->window->categories,
 718                 thread->category_to_text(thread->current_dialog),
 719                 x,
 720                 y,
 721                 200,
 722                 150)
 723 {
 724         this->mwindow = mwindow;
 725         this->thread = thread;
 726 }
 727
 728 PreferencesCategory::~PreferencesCategory()
 729 {
 730 }
 731
 732 int PreferencesCategory::handle_event()
 733 {
 734 SET_TRACE
 735         thread->window->set_current_dialog(thread->text_to_category(get_text()));
 736 SET_TRACE
 737         return 1;
 738 }