qt4.cpp 19.3 KB
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/*****************************************************************************
 * qt4.cpp : QT4 interface
 ****************************************************************************
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 * Copyright © 2006-2009 the VideoLAN team
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 * $Id$
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 *
 * Authors: Clément Stenac <zorglub@videolan.org>
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 *          Jean-Baptiste Kempf <jb@videolan.org>
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/
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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
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#include <QApplication>
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#include <QDate>
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#include "qt4.hpp"
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#include "input_manager.hpp"    /* THEMIM creation */
#include "dialogs_provider.hpp" /* THEDP creation */
#include "main_interface.hpp"   /* MainInterface creation */
#include "dialogs/help.hpp"     /* Launch Update */
#include "recents.hpp"          /* Recents Item destruction */
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#include "util/qvlcapp.hpp"     /* QVLCApplication definition */
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#ifdef Q_WS_X11
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 #include <X11/Xlib.h>
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#endif

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#include "../../../share/vlc32x32.xpm"
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#include "../../../share/vlc32x32-christmas.xpm"
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#include <vlc_plugin.h>
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#ifdef WIN32 /* For static builds */
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 #include <QtPlugin>
 Q_IMPORT_PLUGIN(qjpeg)
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 Q_IMPORT_PLUGIN(qtaccessiblewidgets)
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#endif

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/*****************************************************************************
 * Local prototypes.
 *****************************************************************************/
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static int  OpenIntf     ( vlc_object_t * );
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static int  OpenDialogs  ( vlc_object_t * );
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static int  Open         ( vlc_object_t *, bool );
static void Close        ( vlc_object_t * );
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static int  WindowOpen   ( vlc_object_t * );
static void WindowClose  ( vlc_object_t * );
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static void *Thread      ( void * );
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static void ShowDialog   ( intf_thread_t *, int, int, intf_dialog_args_t * );

/*****************************************************************************
 * Module descriptor
 *****************************************************************************/
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#define ADVANCED_PREFS_TEXT N_( "Show advanced preferences over simple ones" )
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#define ADVANCED_PREFS_LONGTEXT N_( "Show advanced preferences and not simple "\
                                    "preferences when opening the preferences "\
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                                    "dialog." )
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#define SYSTRAY_TEXT N_( "Systray icon" )
#define SYSTRAY_LONGTEXT N_( "Show an icon in the systray " \
                             "allowing you to control VLC media player " \
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                             "for basic actions." )
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#define MINIMIZED_TEXT N_( "Start VLC with only a systray icon" )
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#define MINIMIZED_LONGTEXT N_( "VLC will start with just an icon in " \
                               "your taskbar" )
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#define KEEPSIZE_TEXT N_( "Resize interface to the native video size" )
#define KEEPSIZE_LONGTEXT N_( "You have two choices:\n" \
            " - The interface will resize to the native video size\n" \
            " - The video will fit to the interface size\n " \
            "By default, interface resize to the native video size." )
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#define TITLE_TEXT N_( "Show playing item name in window title" )
#define TITLE_LONGTEXT N_( "Show the name of the song or video in the " \
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                           "controler window title." )
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#define NOTIFICATION_TEXT N_( "Show notification popup on track change" )
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#define NOTIFICATION_LONGTEXT N_( \
    "Show a notification popup with the artist and track name when " \
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    "the current playlist item changes, when VLC is minimized or hidden." )
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#define ADVANCED_OPTIONS_TEXT N_( "Advanced options" )
#define ADVANCED_OPTIONS_LONGTEXT N_( "Show all the advanced options " \
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                                      "in the dialogs." )
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#define OPACITY_TEXT N_( "Windows opacity between 0.1 and 1." )
#define OPACITY_LONGTEXT N_( "Sets the windows opacity between 0.1 and 1 " \
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                             "for main interface, playlist and extended panel."\
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                             " This option only works with Windows and " \
                             "X11 with composite extensions." )
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#define OPACITY_FS_TEXT N_( "Fullscreen controller opacity opacity between 0.1 and 1." )
#define OPACITY_FS_LONGTEXT N_( "Sets the fullscreen controller opacity between 0.1 and 1 " \
                             "for main interface, playlist and extended panel."\
                             " This option only works with Windows and " \
                             "X11 with composite extensions." )


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#define ERROR_TEXT N_( "Show unimportant error and warnings dialogs" )
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#define UPDATER_TEXT N_( "Activate the updates availability notification" )
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#define UPDATER_LONGTEXT N_( "Activate the automatic notification of new " \
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                            "versions of the software. It runs once every " \
                            "two weeks." )
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#define UPDATER_DAYS_TEXT N_("Number of days between two update checks")
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#define COMPLETEVOL_TEXT N_( "Allow the volume to be set to 400%" )
#define COMPLETEVOL_LONGTEXT N_( "Allow the volume to have range from 0% to " \
                                 "400%, instead of 0% to 200%. This option " \
                                 "can distort the audio, since it uses " \
                                 "software amplification." )
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#define SAVEVOL_TEXT N_( "Automatically save the volume on exit" )

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#define PRIVACY_TEXT N_( "Ask for network policy at start" )
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#define RECENTPLAY_TEXT N_( "Save the recently played items in the menu" )
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#define RECENTPLAY_FILTER_TEXT N_( "List of words separated by | to filter" )
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#define RECENTPLAY_FILTER_LONGTEXT N_( "Regular expression used to filter " \
        "the recent items played in the player" )
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#define SLIDERCOL_TEXT N_( "Define the colors of the volume slider " )
#define SLIDERCOL_LONGTEXT N_( "Define the colors of the volume slider\n" \
                       "By specifying the 12 numbers separated by a ';'\n" \
            "Default is '255;255;255;20;226;20;255;176;15;235;30;20'\n" \
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            "An alternative can be '30;30;50;40;40;100;50;50;160;150;150;255' ")
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#define QT_MODE_TEXT N_( "Selection of the starting mode and look " )
#define QT_MODE_LONGTEXT N_( "Start VLC with:\n" \
                             " - normal mode\n"  \
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                             " - a zone always present to show information " \
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                                  "as lyrics, album arts...\n" \
                             " - minimal mode with limited controls" )

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#define QT_NORMAL_MODE_TEXT N_( "Classic" )
#define QT_ALWAYS_VIDEO_MODE_TEXT N_( "Complete (with information area)" )
#define QT_MINIMAL_MODE_TEXT N_( "Minimal (without menu)" )
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#define QT_FULLSCREEN_TEXT N_( "Show a controller in fullscreen mode" )
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#define QT_NATIVEOPEN_TEXT N_( "Embed the file browser in open dialog" )
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#define FULLSCREEN_NUMBER_TEXT N_( "Define which screen fullscreen goes" )
#define FULLSCREEN_NUMBER_LONGTEXT N_( "Screennumber of fullscreen, instead of" \
                                       "same screen where interface is" )

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/* Various modes definition */
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static const int i_mode_list[] =
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    { QT_NORMAL_MODE, QT_ALWAYS_VIDEO_MODE, QT_MINIMAL_MODE };
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static const char *const psz_mode_list_text[] =
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    { QT_NORMAL_MODE_TEXT, QT_ALWAYS_VIDEO_MODE_TEXT, QT_MINIMAL_MODE_TEXT };

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/**********************************************************************/
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vlc_module_begin ()
    set_shortname( "Qt" )
    set_description( N_("Qt interface") )
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    set_category( CAT_INTERFACE )
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    set_subcategory( SUBCAT_INTERFACE_MAIN )
    set_capability( "interface", 151 )
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    set_callbacks( OpenIntf, Close )
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    add_shortcut("qt")
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    add_integer( "qt-display-mode", QT_NORMAL_MODE, NULL,
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                 QT_MODE_TEXT, QT_MODE_LONGTEXT, false )
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        change_integer_list( i_mode_list, psz_mode_list_text, NULL )
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    add_bool( "qt-notification", true, NULL, NOTIFICATION_TEXT,
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              NOTIFICATION_LONGTEXT, false )
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    add_float_with_range( "qt-opacity", 1., 0.1, 1., NULL, OPACITY_TEXT,
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                          OPACITY_LONGTEXT, false )
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    add_float_with_range( "qt-fs-opacity", 0.8, 0.1, 1., NULL, OPACITY_FS_TEXT,
                          OPACITY_FS_LONGTEXT, false )
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    add_bool( "qt-system-tray", true, NULL, SYSTRAY_TEXT,
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              SYSTRAY_LONGTEXT, false)
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    add_bool( "qt-start-minimized", false, NULL, MINIMIZED_TEXT,
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              MINIMIZED_LONGTEXT, true)
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    add_bool( "qt-video-autoresize", true, NULL, KEEPSIZE_TEXT,
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              KEEPSIZE_LONGTEXT, false )
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    add_bool( "qt-name-in-title", true, NULL, TITLE_TEXT,
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              TITLE_LONGTEXT, false )
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    add_bool( "qt-fs-controller", true, NULL, QT_FULLSCREEN_TEXT,
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              QT_FULLSCREEN_TEXT, false )
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    add_bool( "qt-volume-complete", false, NULL, COMPLETEVOL_TEXT,
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              COMPLETEVOL_LONGTEXT, true )
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    add_bool( "qt-autosave-volume", false, NULL, SAVEVOL_TEXT,
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              SAVEVOL_TEXT, true )
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    add_bool( "qt-embedded-open", false, NULL, QT_NATIVEOPEN_TEXT,
               QT_NATIVEOPEN_TEXT, false )
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    add_bool( "qt-recentplay", true, NULL, RECENTPLAY_TEXT,
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              RECENTPLAY_TEXT, false )
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    add_string( "qt-recentplay-filter", "", NULL,
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                RECENTPLAY_FILTER_TEXT, RECENTPLAY_FILTER_LONGTEXT, false )
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    add_bool( "qt-adv-options", false, NULL, ADVANCED_OPTIONS_TEXT,
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              ADVANCED_OPTIONS_LONGTEXT, true )
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    add_bool( "qt-advanced-pref", false, NULL, ADVANCED_PREFS_TEXT,
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              ADVANCED_PREFS_LONGTEXT, false )
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    add_bool( "qt-error-dialogs", true, NULL, ERROR_TEXT,
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              ERROR_TEXT, false )
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#ifdef UPDATE_CHECK
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    add_bool( "qt-updates-notif", true, NULL, UPDATER_TEXT,
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              UPDATER_LONGTEXT, false )
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    add_integer( "qt-updates-days", 7, NULL, UPDATER_DAYS_TEXT,
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                 UPDATER_DAYS_TEXT, false )
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#endif
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    add_string( "qt-slider-colours",
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                "255;255;255;20;210;20;255;199;15;245;39;29",
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                NULL, SLIDERCOL_TEXT, SLIDERCOL_LONGTEXT, false )
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    add_bool( "qt-privacy-ask", true, NULL, PRIVACY_TEXT, PRIVACY_TEXT,
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              false )
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        change_internal ()
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    add_integer( "qt-fullscreen-screennumber", -1, NULL, FULLSCREEN_NUMBER_TEXT,
               FULLSCREEN_NUMBER_LONGTEXT, false );

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    add_obsolete_bool( "qt-blingbling" ) /* Suppressed since 1.0.0 */

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    add_submodule ()
        set_description( "Dialogs provider" )
        set_capability( "dialogs provider", 51 )
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        set_callbacks( OpenDialogs, Close )
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#if defined(Q_WS_X11) || defined(Q_WS_WIN)
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    add_submodule ()
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#if defined(Q_WS_X11)
        set_capability( "vout window xid", 50 )
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#elif defined(Q_WS_WIN)
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        set_capability( "vout window hwnd", 50 )
#endif
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        set_callbacks( WindowOpen, WindowClose )
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#endif
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vlc_module_end ()
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/*****************************************/

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/* Ugly, but the Qt4 interface assumes single instance anyway */
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static vlc_sem_t ready;
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#ifdef Q_WS_X11
static char *x11_display = NULL;
#endif
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/*****************************************************************************
 * Module callbacks
 *****************************************************************************/
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/* Open Interface */
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static int Open( vlc_object_t *p_this, bool isDialogProvider )
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{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
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#ifdef Q_WS_X11
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    x11_display = var_CreateGetNonEmptyString( p_intf, "x11-display" );
    Display *p_display = XOpenDisplay( x11_display );
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    if( !p_display )
    {
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        msg_Err( p_intf, "Could not connect to X server" );
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        return VLC_EGENERIC;
    }
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    XCloseDisplay( p_display );
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    putenv( (char *)"XLIB_SKIP_ARGB_VISUALS=1" );
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#endif
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    /* Allocations of p_sys */
    intf_sys_t *p_sys = p_intf->p_sys = new intf_sys_t;
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    p_intf->p_sys->b_isDialogProvider = isDialogProvider;
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    p_sys->p_popup_menu = NULL;
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    p_sys->p_mi = NULL;
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    p_sys->p_playlist = pl_Hold( p_intf );
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    /* */
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    vlc_sem_init (&ready, 0);
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    if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
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    {
        pl_Release (p_sys->p_playlist);
        delete p_sys;
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        return VLC_ENOMEM;
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    }
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    /* */
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    vlc_sem_wait (&ready);
    vlc_sem_destroy (&ready);
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    if( !p_sys->b_isDialogProvider )
    {
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        vlc_value_t val;
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        var_Create (p_this->p_libvlc, "qt4-iface", VLC_VAR_ADDRESS);
        val.p_address = p_this;
        var_Set (p_this->p_libvlc, "qt4-iface", val);
    }
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    return VLC_SUCCESS;
}

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/* Open qt4 interface */
static int OpenIntf( vlc_object_t *p_this )
{
    return Open( p_this, false );
}

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/* Open Dialog Provider */
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static int OpenDialogs( vlc_object_t *p_this )
{
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    return Open( p_this, true );
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}

static void Close( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
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    intf_sys_t *p_sys = p_intf->p_sys;

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    if( !p_sys->b_isDialogProvider )
        var_Destroy (p_this->p_libvlc, "qt4-iface");

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    QVLCApp::triggerQuit();
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    vlc_join (p_sys->thread, NULL);
    pl_Release (p_this);
    delete p_sys;
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#ifdef Q_WS_X11
    free (x11_display);
#endif
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}

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static void *Thread( void *obj )
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{
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    intf_thread_t *p_intf = (intf_thread_t *)obj;
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    MainInterface *p_mi;
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    char dummy[] = "vlc"; /* for WM_CLASS */
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    char *argv[4] = { dummy, NULL, };
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    int argc = 1;
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    Q_INIT_RESOURCE( vlc );
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    /* Start the QApplication here */
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#ifdef Q_WS_X11
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    if( x11_display != NULL )
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    {
        argv[argc++] = const_cast<char *>("-display");
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        argv[argc++] = x11_display;
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        argv[argc] = NULL;
    }
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#endif
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#ifdef WIN32
    QVLCApp app( p_intf, argc, argv );
#else
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    QVLCApp app( argc, argv );
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#endif
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    p_intf->p_sys->p_app = &app;
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    /* All the settings are in the .conf/.ini style */
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    p_intf->p_sys->mainSettings = new QSettings(
#ifdef WIN32
            QSettings::IniFormat,
#else
            QSettings::NativeFormat,
#endif
            QSettings::UserScope, "vlc", "vlc-qt-interface" );

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    /* Icon setting */
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    if( QDate::currentDate().dayOfYear() >= 352 ) /* One Week before Xmas */
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        app.setWindowIcon( QIcon(vlc_christmas_xpm) );
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    else
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        app.setWindowIcon( QIcon(vlc_xpm) );
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    /* Initialize timers and the Dialog Provider */
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    DialogsProvider::getInstance( p_intf );
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    /* Detect screensize for small screens like TV or EEEpc*/
    p_intf->p_sys->i_screenHeight =
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        app.QApplication::desktop()->availableGeometry().height();
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#ifdef UPDATE_CHECK
    /* Checking for VLC updates */
    if( config_GetInt( p_intf, "qt-updates-notif" ) &&
        !config_GetInt( p_intf, "qt-privacy-ask" ) )
    {
        int interval = config_GetInt( p_intf, "qt-updates-days" );
        if( QDate::currentDate() >
             getSettings()->value( "updatedate" ).toDate().addDays( interval ) )
        {
            /* The constructor of the update Dialog will do the 1st request */
            UpdateDialog::getInstance( p_intf );
            getSettings()->setValue( "updatedate", QDate::currentDate() );
        }
    }
#endif

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    /* Create the normal interface in non-DP mode */
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    if( !p_intf->p_sys->b_isDialogProvider )
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        p_mi = new MainInterface( p_intf );
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    else
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        p_mi = NULL;
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    /* Explain how to show a dialog :D */
    p_intf->pf_show_dialog = ShowDialog;

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    /* */
    p_intf->p_sys->p_mi = p_mi;
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    vlc_sem_post (&ready);
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    /* Last settings */
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    app.setQuitOnLastWindowClosed( false );
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    /* Retrieve last known path used in file browsing */
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    p_intf->p_sys->filepath =
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         getSettings()->value( "filedialog-path", QVLCUserDir( VLC_HOME_DIR ) ).toString();
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    /* Loads and tries to apply the preferred QStyle */
    QString s_style = getSettings()->value( "MainWindow/QtStyle", "" ).toString();
    if( s_style.compare("") != 0 )
        QApplication::setStyle( s_style );

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    /* Launch */
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    app.exec();
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    /* And quit */
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    msg_Dbg( p_intf, "Quitting the Qt4 Interface" );
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    QApplication::closeAllWindows();

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    if (p_mi != NULL)
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    {
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        /* FIXME: are we sure that video window is already destroyed? */
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        msg_Dbg (p_intf, "destroying the main Qt4 interface");
        p_intf->p_sys->p_mi = NULL;
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        /* Destroy first the main interface because it is connected to some
           slots in the MainInputManager */
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        delete p_mi;
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    }
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    /* Destroy all remaining windows,
       because some are connected to some slots
       in the MainInputManager
       Settings must be destroyed after that.
     */
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    DialogsProvider::killInstance();
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    /* Delete the recentsMRL object before the configuration */
    RecentsMRL::killInstance();

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    /* Save the path */
    getSettings()->setValue( "filedialog-path", p_intf->p_sys->filepath );

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    /* Delete the configuration. Application has to be deleted after that. */
    delete p_intf->p_sys->mainSettings;
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    /* Destroy the MainInputManager */
    MainInputManager::killInstance();

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    /* Delete the application automatically */
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#ifdef Q_WS_X11
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    free( x11_display );
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#endif
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    return NULL;
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}

/*****************************************************************************
 * Callback to show a dialog
 *****************************************************************************/
static void ShowDialog( intf_thread_t *p_intf, int i_dialog_event, int i_arg,
                        intf_dialog_args_t *p_arg )
{
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    VLC_UNUSED( p_intf );
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    DialogEvent *event = new DialogEvent( i_dialog_event, i_arg, p_arg );
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    QApplication::postEvent( THEDP, event );
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}
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/**
 * Video output window provider
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 *
 * TODO move it out of here ?
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 */
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#include <vlc_vout_window.h>
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static int WindowControl( vout_window_t *, int i_query, va_list );
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static int WindowOpen( vlc_object_t *p_obj )
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{
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    vout_window_t *p_wnd = (vout_window_t*)p_obj;

    /* */
    if( p_wnd->cfg->is_standalone )
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        return VLC_EGENERIC;

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    vlc_value_t val;

    if( var_Get( p_obj->p_libvlc, "qt4-iface", &val ) )
        val.p_address = NULL;

    intf_thread_t *p_intf = (intf_thread_t *)val.p_address;

    if( !p_intf )
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    {   /* If another interface is used, this plugin cannot work */
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        msg_Dbg( p_obj, "Qt4 interface not found" );
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        return VLC_EGENERIC;
    }
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    MainInterface *p_mi = p_intf->p_sys->p_mi;
    msg_Dbg( p_obj, "requesting video..." );

    int i_x = p_wnd->cfg->x;
    int i_y = p_wnd->cfg->y;
    unsigned i_width = p_wnd->cfg->width;
    unsigned i_height = p_wnd->cfg->height;
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#if defined (Q_WS_X11)
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    p_wnd->xid = p_mi->getVideo( &i_x, &i_y, &i_width, &i_height );
    if( !p_wnd->xid )
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        return VLC_EGENERIC;
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    p_wnd->x11_display = x11_display;
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#elif defined (Q_WS_WIN)
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    p_wnd->hwnd = p_mi->getVideo( &i_x, &i_y, &i_width, &i_height );
    if( !p_wnd->hwnd )
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        return VLC_EGENERIC;
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#else
# error FIXME
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#endif

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    p_wnd->control = WindowControl;
    p_wnd->sys = (vout_window_sys_t*)p_mi;
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    return VLC_SUCCESS;
}

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static int WindowControl( vout_window_t *p_wnd, int i_query, va_list args )
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{
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    MainInterface *p_mi = (MainInterface *)p_wnd->sys;
    return p_mi->controlVideo( i_query, args );
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}

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static void WindowClose( vlc_object_t *p_obj )
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{
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    vout_window_t *p_wnd = (vout_window_t*)p_obj;
    MainInterface *p_mi = (MainInterface *)p_wnd->sys;

    msg_Dbg( p_obj, "releasing video..." );
    p_mi->releaseVideo();
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}
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