modules/gui/qt/qt.cpp

   1 /*****************************************************************************
   2  * qt.cpp : Qt interface
   3  ****************************************************************************
   4  * Copyright © 2006-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *          Jean-Baptiste Kempf <jb@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #define VLC_MODULE_LICENSE VLC_LICENSE_GPL_2_PLUS
  30
  31 #include <stdlib.h>
  32 #include <unistd.h>
  33 #ifndef _POSIX_SPAWN
  34 # define _POSIX_SPAWN (-1)
  35 #endif
  36 #if (_POSIX_SPAWN >= 0)
  37 # include <spawn.h>
  38 # include <sys/wait.h>
  39
  40 extern "C" char **environ;
  41 #endif
  42
  43 #include <QApplication>
  44 #include <QDate>
  45 #include <QMutex>
  46
  47 #include "qt.hpp"
  48
  49 #include "input_manager.hpp"    /* THEMIM destruction */
  50 #include "dialogs_provider.hpp" /* THEDP creation */
  51 #ifdef _WIN32
  52 # include "main_interface_win32.hpp"
  53 #else
  54 # include "main_interface.hpp"   /* MainInterface creation */
  55 #endif
  56 #include "extensions_manager.hpp" /* Extensions manager */
  57 #include "managers/addons_manager.hpp" /* Addons manager */
  58 #include "dialogs/help.hpp"     /* Launch Update */
  59 #include "recents.hpp"          /* Recents Item destruction */
  60 #include "util/qvlcapp.hpp"     /* QVLCApplication definition */
  61 #include "components/playlist/playlist_model.hpp" /* for ~PLModel() */
  62
  63 #include <vlc_plugin.h>
  64 #include <vlc_vout_window.h>
  65 #ifndef X_DISPLAY_MISSING
  66 # include <vlc_xlib.h>
  67 #endif
  68
  69 #ifdef _WIN32 /* For static builds */
  70  #include <QtPlugin>
  71
  72  #ifdef QT_STATICPLUGIN
  73   Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
  74   Q_IMPORT_PLUGIN(QSvgIconPlugin)
  75   Q_IMPORT_PLUGIN(QSvgPlugin)
  76   #if !HAS_QT56
  77    Q_IMPORT_PLUGIN(AccessibleFactory)
  78   #endif
  79  #endif
  80 #endif
  81
  82 /*****************************************************************************
  83  * Local prototypes.
  84  *****************************************************************************/
  85 static int  OpenIntf     ( vlc_object_t * );
  86 static int  OpenDialogs  ( vlc_object_t * );
  87 static int  Open         ( vlc_object_t *, bool );
  88 static void Close        ( vlc_object_t * );
  89 static int  WindowOpen   ( vout_window_t *, const vout_window_cfg_t * );
  90 static void WindowClose  ( vout_window_t * );
  91 static void ShowDialog   ( intf_thread_t *, int, int, intf_dialog_args_t * );
  92
  93 /*****************************************************************************
  94  * Module descriptor
  95  *****************************************************************************/
  96 #define ADVANCED_PREFS_TEXT N_( "Show advanced preferences over simple ones" )
  97 #define ADVANCED_PREFS_LONGTEXT N_( "Show advanced preferences and not simple "\
  98                                     "preferences when opening the preferences "\
  99                                     "dialog." )
 100
 101 #define SYSTRAY_TEXT N_( "Systray icon" )
 102 #define SYSTRAY_LONGTEXT N_( "Show an icon in the systray " \
 103                              "allowing you to control VLC media player " \
 104                              "for basic actions." )
 105
 106 #define MINIMIZED_TEXT N_( "Start VLC with only a systray icon" )
 107 #define MINIMIZED_LONGTEXT N_( "VLC will start with just an icon in " \
 108                                "your taskbar." )
 109
 110 #define KEEPSIZE_TEXT N_( "Resize interface to the native video size" )
 111 #define KEEPSIZE_LONGTEXT N_( "You have two choices:\n" \
 112             " - The interface will resize to the native video size\n" \
 113             " - The video will fit to the interface size\n " \
 114             "By default, interface resize to the native video size." )
 115
 116 #define TITLE_TEXT N_( "Show playing item name in window title" )
 117 #define TITLE_LONGTEXT N_( "Show the name of the song or video in the " \
 118                            "controller window title." )
 119
 120 #define NOTIFICATION_TEXT N_( "Show notification popup on track change" )
 121 #define NOTIFICATION_LONGTEXT N_( \
 122     "Show a notification popup with the artist and track name when " \
 123     "the current playlist item changes, when VLC is minimized or hidden." )
 124
 125 #define OPACITY_TEXT N_( "Windows opacity between 0.1 and 1" )
 126 #define OPACITY_LONGTEXT N_( "Sets the windows opacity between 0.1 and 1 " \
 127                              "for main interface, playlist and extended panel."\
 128                              " This option only works with Windows and " \
 129                              "X11 with composite extensions." )
 130
 131 #define OPACITY_FS_TEXT N_( "Fullscreen controller opacity between 0.1 and 1" )
 132 #define OPACITY_FS_LONGTEXT N_( "Sets the fullscreen controller opacity between 0.1 and 1 " \
 133                              "for main interface, playlist and extended panel."\
 134                              " This option only works with Windows and " \
 135                              "X11 with composite extensions." )
 136
 137 #define ERROR_TEXT N_( "Show unimportant error and warnings dialogs" )
 138
 139 #define UPDATER_TEXT N_( "Activate the updates availability notification" )
 140 #define UPDATER_LONGTEXT N_( "Activate the automatic notification of new " \
 141                             "versions of the software. It runs once every " \
 142                             "two weeks." )
 143 #define UPDATER_DAYS_TEXT N_("Number of days between two update checks")
 144
 145 #define PRIVACY_TEXT N_( "Ask for network policy at start" )
 146
 147 #define RECENTPLAY_TEXT N_( "Save the recently played items in the menu" )
 148
 149 #define RECENTPLAY_FILTER_TEXT N_( "List of words separated by | to filter" )
 150 #define RECENTPLAY_FILTER_LONGTEXT N_( "Regular expression used to filter " \
 151         "the recent items played in the player." )
 152
 153 #define SLIDERCOL_TEXT N_( "Define the colors of the volume slider" )
 154 #define SLIDERCOL_LONGTEXT N_( "Define the colors of the volume slider\n" \
 155                        "By specifying the 12 numbers separated by a ';'\n" \
 156             "Default is '255;255;255;20;226;20;255;176;15;235;30;20'\n" \
 157             "An alternative can be '30;30;50;40;40;100;50;50;160;150;150;255'")
 158
 159 #define QT_MODE_TEXT N_( "Selection of the starting mode and look" )
 160 #define QT_MODE_LONGTEXT N_( "Start VLC with:\n" \
 161                              " - normal mode\n"  \
 162                              " - a zone always present to show information " \
 163                                   "as lyrics, album arts...\n" \
 164                              " - minimal mode with limited controls" )
 165
 166 #define QT_FULLSCREEN_TEXT N_( "Show a controller in fullscreen mode" )
 167 #define QT_NATIVEOPEN_TEXT N_( "Embed the file browser in open dialog" )
 168
 169 #define FULLSCREEN_NUMBER_TEXT N_( "Define which screen fullscreen goes" )
 170 #define FULLSCREEN_NUMBER_LONGTEXT N_( "Screennumber of fullscreen, instead of " \
 171                                        "same screen where interface is." )
 172
 173 #define QT_AUTOLOAD_EXTENSIONS_TEXT N_( "Load extensions on startup" )
 174 #define QT_AUTOLOAD_EXTENSIONS_LONGTEXT N_( "Automatically load the "\
 175                                             "extensions module on startup." )
 176
 177 #define QT_MINIMAL_MODE_TEXT N_("Start in minimal view (without menus)" )
 178
 179 #define QT_BGCONE_TEXT N_( "Display background cone or art" )
 180 #define QT_BGCONE_LONGTEXT N_( "Display background cone or current album art " \
 181                             "when not playing. " \
 182                             "Can be disabled to prevent burning screen." )
 183 #define QT_BGCONE_EXPANDS_TEXT N_( "Expanding background cone or art" )
 184 #define QT_BGCONE_EXPANDS_LONGTEXT N_( "Background art fits window's size." )
 185
 186 #define QT_DISABLE_VOLUME_KEYS_TEXT N_( "Ignore keyboard volume buttons." )
 187 #define QT_DISABLE_VOLUME_KEYS_LONGTEXT N_(                                             \
 188     "With this option checked, the volume up, volume down and mute buttons on your "    \
 189     "keyboard will always change your system volume. With this option unchecked, the "  \
 190     "volume buttons will change VLC's volume when VLC is selected and change the "      \
 191     "system volume when VLC is not selected." )
 192
 193 #define QT_PAUSE_MINIMIZED_TEXT N_( "Pause the video playback when minimized" )
 194 #define QT_PAUSE_MINIMIZED_LONGTEXT N_( \
 195     "With this option enabled, the playback will be automatically paused when minimizing the window." )
 196
 197 #define ICONCHANGE_TEXT N_( "Allow automatic icon changes")
 198 #define ICONCHANGE_LONGTEXT N_( \
 199     "This option allows the interface to change its icon on various occasions.")
 200
 201 #define VOLUME_MAX_TEXT N_( "Maximum Volume displayed" )
 202
 203 #define AUTORAISE_ON_PLAYBACK_TEXT N_( "When to raise the interface" )
 204 #define AUTORAISE_ON_PLAYBACK_LONGTEXT N_( "This option allows the interface to be raised automatically " \
 205     "when a video/audio playback starts, or never." )
 206
 207 #define FULLSCREEN_CONTROL_PIXELS N_( "Fullscreen controller mouse sensitivity" )
 208
 209 #define CONTINUE_PLAYBACK_TEXT N_("Continue playback?")
 210
 211 static const int i_notification_list[] =
 212     { NOTIFICATION_NEVER, NOTIFICATION_MINIMIZED, NOTIFICATION_ALWAYS };
 213
 214 static const char *const psz_notification_list_text[] =
 215     { N_("Never"), N_("When minimized"), N_("Always") };
 216
 217 static const int i_continue_list[] =
 218     { 0, 1, 2 };
 219
 220 static const char *const psz_continue_list_text[] =
 221     { N_("Never"), N_("Ask"), N_("Always") };
 222
 223 static const int i_raise_list[] =
 224     { MainInterface::RAISE_NEVER, MainInterface::RAISE_VIDEO, \
 225       MainInterface::RAISE_AUDIO, MainInterface::RAISE_AUDIOVIDEO,  };
 226
 227 static const char *const psz_raise_list_text[] =
 228     { N_( "Never" ), N_( "Video" ), N_( "Audio" ), _( "Audio/Video" ) };
 229
 230 /**********************************************************************/
 231 vlc_module_begin ()
 232     set_shortname( "Qt" )
 233     set_description( N_("Qt interface") )
 234     set_category( CAT_INTERFACE )
 235     set_subcategory( SUBCAT_INTERFACE_MAIN )
 236     set_capability( "interface", 151 )
 237     set_callbacks( OpenIntf, Close )
 238
 239     add_shortcut("qt")
 240
 241     add_bool( "qt-minimal-view", false, QT_MINIMAL_MODE_TEXT,
 242               QT_MINIMAL_MODE_TEXT, false );
 243
 244     add_bool( "qt-system-tray", true, SYSTRAY_TEXT, SYSTRAY_LONGTEXT, false)
 245
 246     add_integer( "qt-notification", NOTIFICATION_MINIMIZED,
 247                  NOTIFICATION_TEXT,
 248                  NOTIFICATION_LONGTEXT, false )
 249             change_integer_list( i_notification_list, psz_notification_list_text )
 250
 251     add_bool( "qt-start-minimized", false, MINIMIZED_TEXT,
 252               MINIMIZED_LONGTEXT, true)
 253     add_bool( "qt-pause-minimized", false, QT_PAUSE_MINIMIZED_TEXT,
 254               QT_PAUSE_MINIMIZED_LONGTEXT, false )
 255
 256     add_float_with_range( "qt-opacity", 1., 0.1, 1., OPACITY_TEXT,
 257                           OPACITY_LONGTEXT, false )
 258     add_float_with_range( "qt-fs-opacity", 0.8, 0.1, 1., OPACITY_FS_TEXT,
 259                           OPACITY_FS_LONGTEXT, false )
 260
 261     add_bool( "qt-video-autoresize", true, KEEPSIZE_TEXT,
 262               KEEPSIZE_LONGTEXT, false )
 263     add_bool( "qt-name-in-title", true, TITLE_TEXT,
 264               TITLE_LONGTEXT, false )
 265     add_bool( "qt-fs-controller", true, QT_FULLSCREEN_TEXT,
 266               QT_FULLSCREEN_TEXT, false )
 267
 268     add_bool( "qt-recentplay", true, RECENTPLAY_TEXT,
 269               RECENTPLAY_TEXT, false )
 270     add_string( "qt-recentplay-filter", "",
 271                 RECENTPLAY_FILTER_TEXT, RECENTPLAY_FILTER_LONGTEXT, false )
 272     add_integer( "qt-continue", 1, CONTINUE_PLAYBACK_TEXT, CONTINUE_PLAYBACK_TEXT, false )
 273             change_integer_list(i_continue_list, psz_continue_list_text )
 274
 275 #ifdef UPDATE_CHECK
 276     add_bool( "qt-updates-notif", true, UPDATER_TEXT,
 277               UPDATER_LONGTEXT, false )
 278     add_integer_with_range( "qt-updates-days", 3, 0, 180,
 279               UPDATER_DAYS_TEXT, UPDATER_DAYS_TEXT, false )
 280 #endif
 281
 282 #ifdef _WIN32
 283     add_bool( "qt-disable-volume-keys"             /* name */,
 284               true                                 /* default value */,
 285               QT_DISABLE_VOLUME_KEYS_TEXT          /* text */,
 286               QT_DISABLE_VOLUME_KEYS_LONGTEXT      /* longtext */,
 287               false                                /* advanced mode only */)
 288 #endif
 289
 290     add_bool( "qt-embedded-open", false, QT_NATIVEOPEN_TEXT,
 291                QT_NATIVEOPEN_TEXT, false )
 292
 293
 294     add_bool( "qt-advanced-pref", false, ADVANCED_PREFS_TEXT,
 295               ADVANCED_PREFS_LONGTEXT, false )
 296     add_bool( "qt-error-dialogs", true, ERROR_TEXT,
 297               ERROR_TEXT, false )
 298
 299     add_string( "qt-slider-colours", "153;210;153;20;210;20;255;199;15;245;39;29",
 300                 SLIDERCOL_TEXT, SLIDERCOL_LONGTEXT, false )
 301
 302     add_bool( "qt-privacy-ask", true, PRIVACY_TEXT, PRIVACY_TEXT,
 303               false )
 304         change_private ()
 305
 306     add_integer( "qt-fullscreen-screennumber", -1, FULLSCREEN_NUMBER_TEXT,
 307                FULLSCREEN_NUMBER_LONGTEXT, false );
 308
 309     add_bool( "qt-autoload-extensions", true,
 310               QT_AUTOLOAD_EXTENSIONS_TEXT, QT_AUTOLOAD_EXTENSIONS_LONGTEXT,
 311               false )
 312
 313     add_bool( "qt-bgcone", true, QT_BGCONE_TEXT, QT_BGCONE_LONGTEXT, true )
 314     add_bool( "qt-bgcone-expands", false, QT_BGCONE_EXPANDS_TEXT,
 315               QT_BGCONE_EXPANDS_LONGTEXT, true )
 316
 317     add_bool( "qt-icon-change", true, ICONCHANGE_TEXT, ICONCHANGE_LONGTEXT, true )
 318
 319     add_integer_with_range( "qt-max-volume", 125, 60, 300, VOLUME_MAX_TEXT, VOLUME_MAX_TEXT, true)
 320
 321     add_integer_with_range( "qt-fs-sensitivity", 3, 0, 4000, FULLSCREEN_CONTROL_PIXELS,
 322             FULLSCREEN_CONTROL_PIXELS, true)
 323
 324     add_obsolete_bool( "qt-blingbling" )      /* Suppressed since 1.0.0 */
 325     add_obsolete_integer( "qt-display-mode" ) /* Suppressed since 1.1.0 */
 326
 327     add_obsolete_bool( "qt-adv-options" )     /* Since 2.0.0 */
 328     add_obsolete_bool( "qt-volume-complete" ) /* Since 2.0.0 */
 329     add_obsolete_integer( "qt-startvolume" )  /* Since 2.0.0 */
 330
 331     add_integer( "qt-auto-raise", MainInterface::RAISE_VIDEO, AUTORAISE_ON_PLAYBACK_TEXT,
 332                  AUTORAISE_ON_PLAYBACK_LONGTEXT, false )
 333             change_integer_list( i_raise_list, psz_raise_list_text )
 334
 335     cannot_unload_broken_library()
 336
 337     add_submodule ()
 338         set_description( "Dialogs provider" )
 339         set_capability( "dialogs provider", 51 )
 340
 341         set_callbacks( OpenDialogs, Close )
 342
 343     add_submodule ()
 344         set_capability( "vout window", 0 )
 345         set_callbacks( WindowOpen, WindowClose )
 346
 347 vlc_module_end ()
 348
 349 /*****************************************/
 350
 351 /* Ugly, but the Qt interface assumes single instance anyway */
 352 static vlc_sem_t ready;
 353 static QMutex lock;
 354 static bool busy = false;
 355 static bool active = false;
 356
 357 /*****************************************************************************
 358  * Module callbacks
 359  *****************************************************************************/
 360
 361 static void *Thread( void * );
 362
 363 #ifdef Q_OS_MAC
 364 /* Used to abort the app.exec() on OSX after libvlc_Quit is called */
 365 #include "../../../lib/libvlc_internal.h" /* libvlc_SetExitHandler */
 366 static void Abort( void *obj )
 367 {
 368     QVLCApp::triggerQuit();
 369 }
 370 #endif
 371
 372 /* Open Interface */
 373 static int Open( vlc_object_t *p_this, bool isDialogProvider )
 374 {
 375     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 376
 377 #ifndef X_DISPLAY_MISSING
 378     if (!vlc_xlib_init(p_this))
 379         return VLC_EGENERIC;
 380 #endif
 381
 382 #if (_POSIX_SPAWN >= 0)
 383     /* Check if QApplication works */
 384     char *path = config_GetSysPath(VLC_PKG_LIBEXEC_DIR, "vlc-qt-check");
 385     if (unlikely(path == NULL))
 386         return VLC_ENOMEM;
 387
 388     char *argv[] = { path, NULL };
 389     pid_t pid;
 390
 391     int val = posix_spawn(&pid, path, NULL, NULL, argv, environ);
 392     free(path);
 393     if (val)
 394         return VLC_ENOMEM;
 395
 396     int status;
 397     while (waitpid(pid, &status, 0) == -1);
 398
 399     if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
 400     {
 401         msg_Dbg(p_this, "Qt check failed (%d). Skipping.", status);
 402         return VLC_EGENERIC;
 403     }
 404 #endif
 405
 406     QMutexLocker locker (&lock);
 407     if (busy)
 408     {
 409         msg_Err (p_this, "cannot start Qt multiple times");
 410         return VLC_EGENERIC;
 411     }
 412
 413     /* Allocations of p_sys */
 414     intf_sys_t *p_sys = p_intf->p_sys = new intf_sys_t;
 415     p_sys->b_isDialogProvider = isDialogProvider;
 416     p_sys->p_mi = NULL;
 417     p_sys->pl_model = NULL;
 418
 419     /* set up the playlist to work on */
 420     if( isDialogProvider )
 421         p_sys->p_playlist = pl_Get( (intf_thread_t *)p_intf->obj.parent );
 422     else
 423         p_sys->p_playlist = pl_Get( p_intf );
 424
 425     /* */
 426     vlc_sem_init (&ready, 0);
 427 #ifdef Q_OS_MAC
 428     /* Run mainloop on the main thread as Cocoa requires */
 429     libvlc_SetExitHandler( p_intf->obj.libvlc, Abort, p_intf );
 430     thread( (void *)p_intf );
 431 #else
 432     if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
 433     {
 434         delete p_sys;
 435         return VLC_ENOMEM;
 436     }
 437 #endif
 438
 439     /* Wait for the interface to be ready. This prevents the main
 440      * LibVLC thread from starting video playback before we can create
 441      * an embedded video window. */
 442     vlc_sem_wait (&ready);
 443     vlc_sem_destroy (&ready);
 444     busy = active = true;
 445
 446     return VLC_SUCCESS;
 447 }
 448
 449 /* Open Qt interface */
 450 static int OpenIntf( vlc_object_t *p_this )
 451 {
 452     return Open( p_this, false );
 453 }
 454
 455 /* Open Dialog Provider */
 456 static int OpenDialogs( vlc_object_t *p_this )
 457 {
 458     return Open( p_this, true );
 459 }
 460
 461 static void Close( vlc_object_t *p_this )
 462 {
 463     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 464     intf_sys_t *p_sys = p_intf->p_sys;
 465
 466     if( !p_sys->b_isDialogProvider )
 467     {
 468         playlist_t *pl = THEPL;
 469
 470         playlist_Deactivate (pl); /* release window provider if needed */
 471     }
 472
 473     /* And quit */
 474     msg_Dbg( p_this, "requesting exit..." );
 475     QVLCApp::triggerQuit();
 476
 477     msg_Dbg( p_this, "waiting for UI thread..." );
 478 #ifndef Q_OS_MAC
 479     vlc_join (p_sys->thread, NULL);
 480 #endif
 481     delete p_sys;
 482
 483     QMutexLocker locker (&lock);
 484     assert (busy);
 485     busy = false;
 486 }
 487
 488 static void *Thread( void *obj )
 489 {
 490     intf_thread_t *p_intf = (intf_thread_t *)obj;
 491     intf_sys_t *p_sys = p_intf->p_sys;
 492     char vlc_name[] = "vlc"; /* for WM_CLASS */
 493     char *argv[2];
 494     int argc = 0;
 495
 496     argv[argc++] = vlc_name;
 497     argv[argc] = NULL;
 498
 499     Q_INIT_RESOURCE( vlc );
 500
 501 #if HAS_QT56
 502     QApplication::setAttribute( Qt::AA_EnableHighDpiScaling );
 503     QApplication::setAttribute( Qt::AA_UseHighDpiPixmaps );
 504 #endif
 505
 506     /* Start the QApplication here */
 507     QVLCApp app( argc, argv );
 508
 509     /* Set application direction to locale direction,
 510      * necessary for  RTL locales */
 511     app.setLayoutDirection(QLocale().textDirection());
 512
 513     p_sys->p_app = &app;
 514
 515
 516     /* All the settings are in the .conf/.ini style */
 517 #ifdef _WIN32
 518     char *cConfigDir = config_GetUserDir( VLC_CONFIG_DIR );
 519     QString configDir = cConfigDir;
 520     free( cConfigDir );
 521     if( configDir.endsWith( "\\vlc" ) )
 522         configDir.chop( 4 ); /* the "\vlc" dir is added again by QSettings */
 523     QSettings::setPath( QSettings::IniFormat, QSettings::UserScope, configDir );
 524 #endif
 525
 526     p_sys->mainSettings = new QSettings(
 527 #ifdef _WIN32
 528             QSettings::IniFormat,
 529 #else
 530             QSettings::NativeFormat,
 531 #endif
 532             QSettings::UserScope, "vlc", "vlc-qt-interface" );
 533
 534     if( QDate::currentDate().dayOfYear() >= QT_XMAS_JOKE_DAY && var_InheritBool( p_intf, "qt-icon-change" ) )
 535         app.setWindowIcon( QIcon::fromTheme( "vlc-xmas", QIcon( ":/logo/vlc128-xmas.png" ) ) );
 536     else
 537         app.setWindowIcon( QIcon::fromTheme( "vlc", QIcon( ":/logo/vlc256.png" ) ) );
 538
 539     /* Initialize the Dialog Provider and the Main Input Manager */
 540     DialogsProvider::getInstance( p_intf );
 541     MainInputManager* mim = MainInputManager::getInstance( p_intf );
 542     mim->probeCurrentInput();
 543
 544 #ifdef UPDATE_CHECK
 545     /* Checking for VLC updates */
 546     if( var_InheritBool( p_intf, "qt-updates-notif" ) &&
 547         !var_InheritBool( p_intf, "qt-privacy-ask" ) )
 548     {
 549         int interval = var_InheritInteger( p_intf, "qt-updates-days" );
 550         if( QDate::currentDate() >
 551              getSettings()->value( "updatedate" ).toDate().addDays( interval ) )
 552         {
 553             /* The constructor of the update Dialog will do the 1st request */
 554             UpdateDialog::getInstance( p_intf );
 555             getSettings()->setValue( "updatedate", QDate::currentDate() );
 556         }
 557     }
 558 #endif
 559
 560     /* Create the normal interface in non-DP mode */
 561     MainInterface *p_mi = NULL;
 562
 563     if( !p_sys->b_isDialogProvider )
 564     {
 565 #ifdef _WIN32
 566         p_mi = new MainInterfaceWin32( p_intf );
 567 #else
 568         p_mi = new MainInterface( p_intf );
 569 #endif
 570         p_sys->p_mi = p_mi;
 571
 572         /* Check window type from the Qt platform back-end */
 573         p_sys->voutWindowType = VOUT_WINDOW_TYPE_INVALID;
 574         QString platform = app.platformName();
 575         if( platform == qfu("xcb") )
 576             p_sys->voutWindowType = VOUT_WINDOW_TYPE_XID;
 577         else if( platform == qfu("wayland") )
 578             p_sys->voutWindowType = VOUT_WINDOW_TYPE_WAYLAND;
 579         else if( platform == qfu("windows") )
 580             p_sys->voutWindowType = VOUT_WINDOW_TYPE_HWND;
 581         else if( platform == qfu("cocoa" ) )
 582             p_sys->voutWindowType = VOUT_WINDOW_TYPE_NSOBJECT;
 583         else
 584             msg_Err( p_intf, "unknown Qt platform: %s", qtu(platform) );
 585
 586         var_Create( THEPL, "qt4-iface", VLC_VAR_ADDRESS );
 587         var_SetAddress( THEPL, "qt4-iface", p_intf );
 588         var_Create( THEPL, "window", VLC_VAR_STRING );
 589         if( p_sys->voutWindowType != VOUT_WINDOW_TYPE_INVALID )
 590             var_SetString( THEPL, "window", "qt,any" );
 591     }
 592
 593     /* Explain how to show a dialog :D */
 594     p_intf->pf_show_dialog = ShowDialog;
 595
 596     /* Tell the main LibVLC thread we are ready */
 597     vlc_sem_post (&ready);
 598
 599 #ifdef Q_OS_MAC
 600     /* We took over main thread, register and start here */
 601     if( !p_sys->b_isDialogProvider )
 602         playlist_Play( THEPL );
 603 #endif
 604
 605     /* Last settings */
 606     app.setQuitOnLastWindowClosed( false );
 607
 608     /* Retrieve last known path used in file browsing */
 609     p_sys->filepath =
 610          getSettings()->value( "filedialog-path", QVLCUserDir( VLC_HOME_DIR ) ).toString();
 611
 612     /* Loads and tries to apply the preferred QStyle */
 613     QString s_style = getSettings()->value( "MainWindow/QtStyle", "" ).toString();
 614     if( s_style.compare("") != 0 )
 615         QApplication::setStyle( s_style );
 616
 617     /* Launch */
 618     app.exec();
 619
 620     msg_Dbg( p_intf, "QApp exec() finished" );
 621     if (p_mi != NULL)
 622     {
 623         var_Destroy( THEPL, "window" );
 624         var_Destroy( THEPL, "qt4-iface" );
 625
 626         QMutexLocker locker (&lock);
 627         active = false;
 628
 629         p_sys->p_mi = NULL;
 630         /* Destroy first the main interface because it is connected to some
 631            slots in the MainInputManager */
 632         delete p_mi;
 633     }
 634
 635     /* */
 636     ExtensionsManager::killInstance();
 637     AddonsManager::killInstance();
 638
 639     /* Destroy all remaining windows,
 640        because some are connected to some slots
 641        in the MainInputManager
 642        Settings must be destroyed after that.
 643      */
 644     DialogsProvider::killInstance();
 645
 646     /* Delete the recentsMRL object before the configuration */
 647     RecentsMRL::killInstance();
 648
 649     /* Save the path or delete if recent play are disabled */
 650     if( var_InheritBool( p_intf, "qt-recentplay" ) )
 651         getSettings()->setValue( "filedialog-path", p_sys->filepath );
 652     else
 653         getSettings()->remove( "filedialog-path" );
 654
 655     /* */
 656     delete p_sys->pl_model;
 657
 658     /* Destroy the MainInputManager */
 659     MainInputManager::killInstance();
 660
 661     /* Delete the configuration. Application has to be deleted after that. */
 662     delete p_sys->mainSettings;
 663
 664     /* Delete the application automatically */
 665     return NULL;
 666 }
 667
 668 /*****************************************************************************
 669  * Callback to show a dialog
 670  *****************************************************************************/
 671 static void ShowDialog( intf_thread_t *p_intf, int i_dialog_event, int i_arg,
 672                         intf_dialog_args_t *p_arg )
 673 {
 674     VLC_UNUSED( p_intf );
 675     DialogEvent *event = new DialogEvent( i_dialog_event, i_arg, p_arg );
 676     QApplication::postEvent( THEDP, event );
 677 }
 678
 679 /**
 680  * Video output window provider
 681  *
 682  * TODO move it out of here ?
 683  */
 684 static int WindowControl( vout_window_t *, int i_query, va_list );
 685
 686 static int WindowOpen( vout_window_t *p_wnd, const vout_window_cfg_t *cfg )
 687 {
 688     if( cfg->is_standalone )
 689         return VLC_EGENERIC;
 690
 691     intf_thread_t *p_intf =
 692         (intf_thread_t *)var_InheritAddress( p_wnd, "qt4-iface" );
 693     if( !p_intf )
 694     {   /* If another interface is used, this plugin cannot work */
 695         msg_Dbg( p_wnd, "Qt interface not found" );
 696         return VLC_EGENERIC;
 697     }
 698
 699     if( cfg->type != VOUT_WINDOW_TYPE_INVALID
 700      && cfg->type != p_intf->p_sys->voutWindowType )
 701         return VLC_EGENERIC;
 702
 703     switch( p_intf->p_sys->voutWindowType )
 704     {
 705         case VOUT_WINDOW_TYPE_XID:
 706             if( var_InheritBool( p_wnd, "video-wallpaper" ) )
 707                 return VLC_EGENERIC;
 708             break;
 709     }
 710
 711     QMutexLocker locker (&lock);
 712     if (unlikely(!active))
 713         return VLC_EGENERIC;
 714
 715     MainInterface *p_mi = p_intf->p_sys->p_mi;
 716     msg_Dbg( p_wnd, "requesting video window..." );
 717
 718     if( !p_mi->getVideo( p_wnd, cfg->width, cfg->height, cfg->is_fullscreen ) )
 719         return VLC_EGENERIC;
 720
 721     p_wnd->info.has_double_click = true;
 722     p_wnd->control = WindowControl;
 723     p_wnd->sys = (vout_window_sys_t*)p_mi;
 724     return VLC_SUCCESS;
 725 }
 726
 727 static int WindowControl( vout_window_t *p_wnd, int i_query, va_list args )
 728 {
 729     MainInterface *p_mi = (MainInterface *)p_wnd->sys;
 730     QMutexLocker locker (&lock);
 731
 732     if (unlikely(!active))
 733     {
 734         msg_Warn (p_wnd, "video already released before control");
 735         return VLC_EGENERIC;
 736     }
 737     return p_mi->controlVideo( i_query, args );
 738 }
 739
 740 static void WindowClose( vout_window_t *p_wnd )
 741 {
 742     MainInterface *p_mi = (MainInterface *)p_wnd->sys;
 743     QMutexLocker locker (&lock);
 744
 745     /* Normally, the interface terminates after the video. In the contrary, the
 746      * Qt main loop is gone, so we cannot send any event to the user interface
 747      * widgets. Ideally, we would keep the Qt main loop running until after
 748      * the video window is released. But it is far simpler to just have the Qt
 749      * thread destroy the window early, and to turn this function into a stub.
 750      *
 751      * That assumes the video output will behave sanely if it window is
 752      * destroyed asynchronously.
 753      * XCB and Xlib-XCB are fine with that. Plain Xlib wouldn't, */
 754     if (unlikely(!active))
 755     {
 756         msg_Warn (p_wnd, "video already released");
 757         return;
 758     }
 759     msg_Dbg (p_wnd, "releasing video...");
 760     p_mi->releaseVideo();
 761 }