menus.cpp 32 KB
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/*****************************************************************************
 * menus.cpp : Qt menus
 *****************************************************************************
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 * Copyright ( C ) 2006-2007 the VideoLAN team
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 * $Id$
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 *
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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
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 * ( at your option ) any later version.
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 *
 * 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
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

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#include <vlc_intf_strings.h>
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#include "main_interface.hpp"
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#include "menus.hpp"
#include "dialogs_provider.hpp"
#include "input_manager.hpp"

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#include <QMenu>
#include <QMenuBar>
#include <QAction>
#include <QActionGroup>
#include <QSignalMapper>
#include <QSystemTrayIcon>

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enum
{
    ITEM_NORMAL,
    ITEM_CHECK,
    ITEM_RADIO
};

static QActionGroup *currentGroup;

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// Add static entries to menus
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#define DP_SADD( menu, text, help, icon, slot, shortcut ) \
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{ \
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    if( strlen( icon ) > 0 ) \
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    { \
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        if( strlen( shortcut ) > 0 ) \
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        { \
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            menu->addAction( QIcon( icon ), text, THEDP, SLOT( slot ), \
                    qtr( shortcut ) );\
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        } \
        else \
        { \
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            menu->addAction( QIcon( icon ), text, THEDP, SLOT( slot ) );\
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        } \
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    } \
    else \
    { \
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        if( strlen( shortcut ) > 0 ) \
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        { \
            menu->addAction( text, THEDP, SLOT( slot ), \
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                    qtr( shortcut ) ); \
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        } \
        else \
        { \
            menu->addAction( text, THEDP, SLOT( slot ) ); \
        } \
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    } \
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}
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#define MIM_SADD( menu, text, help, icon, slot ) \
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{ \
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    if( strlen( icon ) > 0 ) \
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    { \
        QAction *action = menu->addAction( text, THEMIM, SLOT( slot ) ); \
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        action->setIcon( QIcon( icon ) ); \
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    } \
    else \
    { \
        menu->addAction( text, THEMIM, SLOT( slot ) ); \
    } \
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}
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#define PL_SADD
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/*****************************************************************************
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 * Definitions of variables for the dynamic menus
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 *****************************************************************************/
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#define PUSH_VAR( var ) varnames.push_back( var ); \
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    objects.push_back( p_object->i_object_id )
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#define PUSH_SEPARATOR if( objects.size() != i_last_separator ) { \
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    objects.push_back( 0 ); varnames.push_back( "" ); \
    i_last_separator = objects.size(); }
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static int InputAutoMenuBuilder( vlc_object_t *p_object,
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        vector<int> &objects,
        vector<const char *> &varnames )
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{
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    PUSH_VAR( "bookmark" );
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    PUSH_VAR( "title" );
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    PUSH_VAR ( "chapter" );
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    PUSH_VAR( "program" );
    PUSH_VAR( "navigation" );
    PUSH_VAR( "dvd_menus" );
    return VLC_SUCCESS;
}

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static int VideoAutoMenuBuilder( vlc_object_t *p_object,
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        vector<int> &objects,
        vector<const char *> &varnames )
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{
    PUSH_VAR( "fullscreen" );
    PUSH_VAR( "zoom" );
    PUSH_VAR( "deinterlace" );
    PUSH_VAR( "aspect-ratio" );
    PUSH_VAR( "crop" );
    PUSH_VAR( "video-on-top" );
    PUSH_VAR( "directx-wallpaper" );
    PUSH_VAR( "video-snapshot" );

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    vlc_object_t *p_dec_obj = ( vlc_object_t * )vlc_object_find( p_object,
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            VLC_OBJECT_DECODER,
            FIND_PARENT );
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    if( p_dec_obj != NULL )
    {
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        vlc_object_t *p_object = p_dec_obj;
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        PUSH_VAR( "ffmpeg-pp-q" );
        vlc_object_release( p_dec_obj );
    }
    return VLC_SUCCESS;
}

static int AudioAutoMenuBuilder( vlc_object_t *p_object,
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        vector<int> &objects,
        vector<const char *> &varnames )
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{
    PUSH_VAR( "audio-device" );
    PUSH_VAR( "audio-channels" );
    PUSH_VAR( "visual" );
    PUSH_VAR( "equalizer" );
    return VLC_SUCCESS;
}

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/*****************************************************************************
 * All normal menus
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 * Simple Code
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 *****************************************************************************/

#define BAR_ADD( func, title ) { \
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    QMenu *menu = func; menu->setTitle( title ); bar->addMenu( menu ); }
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#define BAR_DADD( func, title, id ) { \
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    QMenu *menu = func; menu->setTitle( title ); bar->addMenu( menu ); \
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    MenuFunc *f = new MenuFunc( menu, id ); \
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    CONNECT( menu, aboutToShow(), THEDP->menusUpdateMapper, map() ); \
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    THEDP->menusUpdateMapper->setMapping( menu, f ); }

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/**
 * Main Menu Bar Creation
 **/
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void QVLCMenu::createMenuBar( MainInterface *mi, intf_thread_t *p_intf,
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        bool visual_selector_enabled )
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{
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    QMenuBar *bar = mi->menuBar();
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    BAR_ADD( FileMenu(), qtr( "&Media" ) );
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    BAR_ADD( PlaylistMenu( p_intf, mi ), qtr( "&Playlist" ) );
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    BAR_ADD( ToolsMenu( p_intf, mi, visual_selector_enabled, true ), qtr( "&Tools" ) );
    BAR_DADD( AudioMenu( p_intf, NULL ), qtr( "&Audio" ), 2 );
    BAR_DADD( VideoMenu( p_intf, NULL ), qtr( "&Video" ), 1 );
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    BAR_DADD( NavigMenu( p_intf, NULL ), qtr( "&Playback" ), 3 );
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    BAR_ADD( HelpMenu(), qtr( "&Help" ) );
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}
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/**
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 * Media ( File ) Menu
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 * Opening, streaming and quit
 **/
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QMenu *QVLCMenu::FileMenu()
{
    QMenu *menu = new QMenu();
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    DP_SADD( menu, qtr( "&Open File..." ), "",
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            ":/pixmaps/file-asym_16px.png", openFileDialog(), "Ctrl+O" );
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    DP_SADD( menu, qtr( I_OPEN_FOLDER ), "",
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            ":/pixmaps/folder-grey_16px.png", PLAppendDir(), "Ctrl+F" );
    DP_SADD( menu, qtr( "Open &Disc..." ), "", ":/pixmaps/disc_16px.png",
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             openDiscDialog(), "Ctrl+D" );
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    DP_SADD( menu, qtr( "Open &Network..." ), "",
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                ":/pixmaps/network_16px.png", openNetDialog(), "Ctrl+N" );
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    DP_SADD( menu, qtr( "Open &Capture Device..." ), "",
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            ":/pixmaps/capture-card_16px.png", openCaptureDialog(),
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            "Ctrl+C" );
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    menu->addSeparator();
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    DP_SADD( menu, qtr( "&Streaming..." ), "", ":/pixmaps/menus_stream_16px.png",
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            openThenStreamingDialogs(), "Ctrl+S" );
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    DP_SADD( menu, qtr( "Conve&rt / Save..." ), "", "",
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            openThenTranscodingDialogs(), "Ctrl+R" );
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    menu->addSeparator();
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    DP_SADD( menu, qtr( "&Quit" ) , "", ":/pixmaps/menus_quit_16px.png", quit(),
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            "Ctrl+Q" );
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    return menu;
}

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QMenu *QVLCMenu::PlaylistMenu( intf_thread_t *p_intf, MainInterface *mi )
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{
    QMenu *menu = new QMenu();
    menu->addMenu( SDMenu( p_intf ) );
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    menu->addAction ( QIcon( ":/pixmaps/playlist_16px.png" ),
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                      qtr( "Show Playlist" ), mi, SLOT( togglePlaylist() ) );
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    menu->addSeparator();

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    DP_SADD( menu, qtr( I_PL_LOAD ), "", "", openPlaylist(), "Ctrl+X" );
    DP_SADD( menu, qtr( I_PL_SAVE ), "", "", savePlaylist(), "Ctrl+Y" );
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    menu->addSeparator();
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    menu->addAction( qtr( "Undock from interface" ), mi,
            SLOT( undockPlaylist() ), qtr( "Ctrl+U" ) );
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    return menu;
}

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/**
 * Tools/View Menu
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 * This is kept in the same menu for now, but could change if it gets much
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 * longer.
 **/
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QMenu *QVLCMenu::ToolsMenu( intf_thread_t *p_intf, MainInterface *mi,
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        bool visual_selector_enabled,
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        bool with_intf )
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{
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    QMenu *menu = new QMenu;
    if( mi )
    {
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        menu->addAction( QIcon( ":/pixmaps/playlist_16px.png" ),
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                         qtr( "Playlist..." ), mi, SLOT( togglePlaylist() ),
                         qtr( "Ctrl+L" ) );
    }
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    DP_SADD( menu, qtr( I_MENU_EXT ), "", ":/pixmaps/menus_settings_16px.png",
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                 extendedDialog() ,  "Ctrl+E" );

    menu->addSeparator();

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    if( with_intf )
    {
        QMenu *intfmenu = InterfacesMenu( p_intf, NULL );
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        intfmenu->setTitle( qtr( "Add Interfaces" ) );
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        menu->addMenu( intfmenu );
        menu->addSeparator();
    }
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    if( mi )
    {
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        /* Minimal View */
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        QAction *action=menu->addAction( qtr( "Minimal View..." ), mi,
                SLOT( toggleMenus() ), qtr( "Ctrl+H" ) );
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        action->setCheckable( true );
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        if( mi->getControlsVisibilityStatus() & CONTROLS_VISIBLE ) 
            action->setChecked( true );
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        /* Advanced Controls */
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        action = menu->addAction( qtr( "Advanced controls" ), mi,
                SLOT( toggleAdvanced() ) );
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        action->setCheckable( true );
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        if( mi->getControlsVisibilityStatus() & CONTROLS_ADVANCED )
            action->setChecked( true );
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     #if 0 /* For Visualisations. Not yet working */
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        adv = menu->addAction( qtr( "Visualizations selector" ),
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                mi, SLOT( visual() ) );
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        adv->setCheckable( true );
        if( visual_selector_enabled ) adv->setChecked( true );
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#endif
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    }
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    menu->addSeparator();


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    DP_SADD( menu, qtr( I_MENU_MSG ), "", ":/pixmaps/menus_messages_16px.png",
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             messagesDialog(), "Ctrl+M" );
    DP_SADD( menu, qtr( I_MENU_INFO ) , "", "", mediaInfoDialog(), "Ctrl+I" );
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    DP_SADD( menu, qtr( I_MENU_CODECINFO ) , "", ":/pixmaps/menus_info_16px.png",
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             mediaCodecDialog(), "Ctrl+J" );

#if 0 /* Not Implemented yet */
    DP_SADD( menu, qtr( I_MENU_BOOKMARK ), "","", bookmarksDialog(), "Ctrl+B" );
#endif
    DP_SADD( menu, qtr( I_MENU_VLM ), "","", vlmDialog(), "Ctrl+V" );

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    menu->addSeparator();
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       DP_SADD( menu, qtr( "Preferences..." ), "", ":/pixmaps/menus_preferences_16px.png",
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             prefsDialog(), "Ctrl+P" );
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    return menu;
}

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/**
 * Interface Sub-Menu, to list extras interface and skins
 **/
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QMenu *QVLCMenu::InterfacesMenu( intf_thread_t *p_intf, QMenu *current )
{
    vector<int> objects;
    vector<const char *> varnames;
    /** \todo add "switch to XXX" */
    varnames.push_back( "intf-add" );
    objects.push_back( p_intf->i_object_id );
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    QMenu *menu = Populate( p_intf, current, varnames, objects );
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    if( !p_intf->pf_show_dialog )
    {
        menu->addSeparator();
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        menu->addAction( qtr( "Switch to skins" ), THEDP, SLOT( switchToSkins() ),
                QString( "Ctrl+Z" ) );
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    }

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    CONNECT( menu, aboutToShow(), THEDP->menusUpdateMapper, map() );
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    THEDP->menusUpdateMapper->setMapping( menu, 4 );
    return menu;
}

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/**
 * Main Audio Menu
 */
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QMenu *QVLCMenu::AudioMenu( intf_thread_t *p_intf, QMenu * current )
{
    vector<int> objects;
    vector<const char *> varnames;

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    vlc_object_t *p_object = ( vlc_object_t * )vlc_object_find( p_intf,
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            VLC_OBJECT_INPUT, FIND_ANYWHERE );
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    if( p_object != NULL )
    {
        PUSH_VAR( "audio-es" );
        vlc_object_release( p_object );
    }

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    p_object = ( vlc_object_t * )vlc_object_find( p_intf, VLC_OBJECT_AOUT,
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            FIND_ANYWHERE );
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    if( p_object )
    {
        AudioAutoMenuBuilder( p_object, objects, varnames );
        vlc_object_release( p_object );
    }
    return Populate( p_intf, current, varnames, objects );
}

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/**
 * Main Video Menu
 * Subtitles are part of Video.
 **/
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QMenu *QVLCMenu::VideoMenu( intf_thread_t *p_intf, QMenu *current )
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{
    vlc_object_t *p_object;
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    vector<int> objects;
    vector<const char *> varnames;

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    p_object = ( vlc_object_t * )vlc_object_find( p_intf, VLC_OBJECT_INPUT,
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            FIND_ANYWHERE );
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    if( p_object != NULL )
    {
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        PUSH_VAR( "video-es" );
        PUSH_VAR( "spu-es" );
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        vlc_object_release( p_object );
    }
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    p_object = ( vlc_object_t * )vlc_object_find( p_intf, VLC_OBJECT_VOUT,
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            FIND_ANYWHERE );
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    if( p_object != NULL )
    {
        VideoAutoMenuBuilder( p_object, objects, varnames );
        vlc_object_release( p_object );
    }
    return Populate( p_intf, current, varnames, objects );
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}

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/**
 * Navigation Menu
 * For DVD, MP4, MOV and other chapter based format
 **/
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QMenu *QVLCMenu::NavigMenu( intf_thread_t *p_intf, QMenu *navMenu )
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{
    vlc_object_t *p_object;
    vector<int> objects;
    vector<const char *> varnames;
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    /* FIXME */
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    p_object = ( vlc_object_t * )vlc_object_find( p_intf, VLC_OBJECT_INPUT,
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            FIND_ANYWHERE );
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    if( p_object != NULL )
    {
        InputAutoMenuBuilder( p_object, objects, varnames );
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        PUSH_VAR( "prev-title" ); PUSH_VAR ( "next-title" );
        PUSH_VAR( "prev-chapter" ); PUSH_VAR( "next-chapter" );
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        vlc_object_release( p_object );
    }
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    navMenu = new QMenu();
    DP_SADD( navMenu, qtr( I_MENU_GOTOTIME ), "","", gotoTimeDialog(),
            "Ctrl+T" );
    navMenu->addSeparator();
    return Populate( p_intf, navMenu, varnames, objects, true );
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}
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/**
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 * Service Discovery SubMenu
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 **/
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QMenu *QVLCMenu::SDMenu( intf_thread_t *p_intf )
{
    QMenu *menu = new QMenu();
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    menu->setTitle( qtr( I_PL_SD ) );
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    vlc_list_t *p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE,
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            FIND_ANYWHERE );
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    int i_num = 0;
    for( int i_index = 0 ; i_index < p_list->i_count; i_index++ )
    {
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        module_t * p_parser = ( module_t * )p_list->p_values[i_index].p_object ;
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        if( module_IsCapable( p_parser, "services_discovery" ) )
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            i_num++;
    }
    for( int i_index = 0 ; i_index < p_list->i_count; i_index++ )
    {
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        module_t * p_parser = ( module_t * )p_list->p_values[i_index].p_object;
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        if( !module_IsCapable( p_parser, "services_discovery" ) )
            continue;

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        QAction *a = new QAction( qfu( module_GetLongName( p_parser ) ), menu );
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        a->setCheckable( true );
        /* hack to handle submodules properly */
        int i = -1;
        while( p_parser->pp_shortcuts[++i] != NULL );
        i--;
        if( playlist_IsServicesDiscoveryLoaded( THEPL,
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                    i>=0?p_parser->pp_shortcuts[i]
                    : module_GetObjName( p_parser ) ) )
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            a->setChecked( true );
        CONNECT( a , triggered(), THEDP->SDMapper, map() );
        THEDP->SDMapper->setMapping( a, i>=0? p_parser->pp_shortcuts[i] :
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                                              module_GetObjName( p_parser ) );
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        menu->addAction( a );
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        if( !strcmp( p_parser->psz_object_name, "podcast" ) )
        {
            QAction *b = new QAction( qfu( "Configure podcasts..." ), menu );
            //b->setEnabled( a->isChecked() );
            menu->addAction( b );
            CONNECT( b, triggered(), THEDP, podcastConfigureDialog() );
        }
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    }
    vlc_list_release( p_list );
    return menu;
}
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/**
 * Help/About Menu
**/
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QMenu *QVLCMenu::HelpMenu()
{
    QMenu *menu = new QMenu();
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    DP_SADD( menu, qtr( "Help..." ) , "", ":/pixmaps/menus_help_16px.png",
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             helpDialog(), "F1" );
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    menu->addSeparator();
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    DP_SADD( menu, qtr( I_MENU_ABOUT ), "", "", aboutDialog(), "Ctrl+F1" );
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    return menu;
}


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/*****************************************************************************
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 * Popup menus - Right Click menus                                           *
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 *****************************************************************************/
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#define POPUP_BOILERPLATE \
    unsigned int i_last_separator = 0; \
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    vector<int> objects; \
    vector<const char *> varnames; \
    input_thread_t *p_input = THEMIM->getInput();

#define CREATE_POPUP \
    Populate( p_intf, menu, varnames, objects ); \
    p_intf->p_sys->p_popup_menu = menu; \
    menu->popup( QCursor::pos() ); \
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    p_intf->p_sys->p_popup_menu = NULL; \
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    i_last_separator = 0;
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#define POPUP_PLAY_ENTRIES( menu )\
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    if( p_input ) \
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    { \
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        vlc_value_t val; \
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        var_Get( p_input, "state", &val ); \
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        if( val.i_int == PLAYING_S ) \
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            MIM_SADD( menu, qtr( "Pause" ), "", ":/pixmaps/pause_16px.png", \
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                    togglePlayPause() ) \
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        else \
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            MIM_SADD( menu, qtr( "Play" ), "", ":/pixmaps/play_16px.png", \
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                    togglePlayPause() ) \
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    } \
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    else if( THEPL->items.i_size && THEPL->i_enabled ) \
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        MIM_SADD( menu, qtr( "Play" ), "", ":/pixmaps/play_16px.png", \
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                togglePlayPause() ); \
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    \
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    MIM_SADD( menu, qtr( "Stop" ), "", ":/pixmaps/stop_16px.png", stop() ); \
    MIM_SADD( menu, qtr( "Previous" ), "", ":/pixmaps/previous_16px.png", \
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            prev() ); \
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    MIM_SADD( menu, qtr( "Next" ), "", ":/pixmaps/next_16px.png", next() );
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#define POPUP_STATIC_ENTRIES( menu ) \
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    QMenu *toolsmenu = ToolsMenu( p_intf, NULL, false, true ); \
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    toolsmenu->setTitle( qtr( "Tools" ) ); \
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    menu->addMenu( toolsmenu ); \
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    \
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    QMenu *openmenu = new QMenu( qtr( "Open" ) ); \
    openmenu->addAction( qtr( "Open &File..." ), THEDP, SLOT( openFileDialog() ) ); \
    openmenu->addAction( qtr( "Open &Disc..." ), THEDP, SLOT( openDiscDialog() ) ); \
    openmenu->addAction( qtr( "Open &Network..." ), THEDP, SLOT( openNetDialog() ) ); \
    openmenu->addAction( qtr( "Open &Capture Device..." ), THEDP, \
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            SLOT( openCaptureDialog() ) ); \
    menu->addMenu( openmenu ); \
    \
    menu->addSeparator(); \
    QMenu *helpmenu = HelpMenu(); \
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    helpmenu->setTitle( qtr( "Help" ) ); \
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    menu->addMenu( helpmenu ); \
    \
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    DP_SADD( menu, qtr( "Quit" ), "", "", quit() , "Ctrl+Q" );
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Qt4:  
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/* Video Tracks and Subtitles tracks */
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void QVLCMenu::VideoPopupMenu( intf_thread_t *p_intf )
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{
    POPUP_BOILERPLATE;
    if( p_input )
    {
        vlc_object_yield( p_input );
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        varnames.push_back( "video-es" );
        objects.push_back( p_input->i_object_id );
        varnames.push_back( "spu-es" );
        objects.push_back( p_input->i_object_id );
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        vlc_object_t *p_vout = ( vlc_object_t * )vlc_object_find( p_input,
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                VLC_OBJECT_VOUT, FIND_CHILD );
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        if( p_vout )
        {
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            VideoAutoMenuBuilder( p_vout, objects, varnames );
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            vlc_object_release( p_vout );
        }
        vlc_object_release( p_input );
    }
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    QMenu *menu = new QMenu();
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    CREATE_POPUP;
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}

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/* Audio Tracks */
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void QVLCMenu::AudioPopupMenu( intf_thread_t *p_intf )
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{
    POPUP_BOILERPLATE;
    if( p_input )
    {
        vlc_object_yield( p_input );
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        varnames.push_back( "audio-es" );
        objects.push_back( p_input->i_object_id );
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        vlc_object_t *p_aout = ( vlc_object_t * )vlc_object_find( p_input,
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                VLC_OBJECT_AOUT, FIND_ANYWHERE );
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        if( p_aout )
        {
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            AudioAutoMenuBuilder( p_aout, objects, varnames );
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            vlc_object_release( p_aout );
        }
        vlc_object_release( p_input );
    }
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    QMenu *menu = new QMenu();
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    CREATE_POPUP;
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}

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/* Navigation stuff, and general menus ( open ) */
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void QVLCMenu::MiscPopupMenu( intf_thread_t *p_intf )
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{
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    vlc_value_t val;
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    POPUP_BOILERPLATE;
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    if( p_input )
    {
        vlc_object_yield( p_input );
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        varnames.push_back( "audio-es" );
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        InputAutoMenuBuilder( VLC_OBJECT( p_input ), objects, varnames );
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        PUSH_SEPARATOR;
    }

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    QMenu *menu = new QMenu();
    Populate( p_intf, menu, varnames, objects );
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    menu->addSeparator();
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    POPUP_PLAY_ENTRIES( menu );

    menu->addSeparator();
    POPUP_STATIC_ENTRIES( menu );
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    p_intf->p_sys->p_popup_menu = menu;
    menu->popup( QCursor::pos() );
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    p_intf->p_sys->p_popup_menu = NULL;
}

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/* Main Menu that sticks everything together  */
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void QVLCMenu::PopupMenu( intf_thread_t *p_intf, bool show )
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{
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    if( show )
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    {
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        // create a  popup if there is none
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        if( ! p_intf->p_sys->p_popup_menu )
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        {
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            POPUP_BOILERPLATE;
            if( p_input )
            {
                vlc_object_yield( p_input );
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                InputAutoMenuBuilder( VLC_OBJECT( p_input ), objects, varnames );

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                /* Audio menu */
                PUSH_SEPARATOR
                    varnames.push_back( "audio-es" );
                objects.push_back( p_input->i_object_id );
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                vlc_object_t *p_aout = ( vlc_object_t * )vlc_object_find( p_input,
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                        VLC_OBJECT_AOUT, FIND_ANYWHERE );
                if( p_aout )
                {
                    AudioAutoMenuBuilder( p_aout, objects, varnames );
                    vlc_object_release( p_aout );
                }
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                /* Video menu */
                PUSH_SEPARATOR;
                varnames.push_back( "video-es" );
                objects.push_back( p_input->i_object_id );
                varnames.push_back( "spu-es" );
                objects.push_back( p_input->i_object_id );
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                vlc_object_t *p_vout = ( vlc_object_t * )vlc_object_find( p_input,
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                        VLC_OBJECT_VOUT, FIND_CHILD );
                if( p_vout )
                {
                    VideoAutoMenuBuilder( p_vout, objects, varnames );
                    vlc_object_release( p_vout );
                }
            }
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            QMenu *menu = new QMenu();
            Populate( p_intf, menu, varnames, objects );
            menu->addSeparator();
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            POPUP_PLAY_ENTRIES( menu );
            menu->addSeparator();
            POPUP_STATIC_ENTRIES( menu );
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            p_intf->p_sys->p_popup_menu = menu;
        }
        p_intf->p_sys->p_popup_menu->popup( QCursor::pos() );
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    }
    else
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    {
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        // destroy popup if there is one
        delete p_intf->p_sys->p_popup_menu;
        p_intf->p_sys->p_popup_menu = NULL;
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    }
}

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/************************************************************************
 * Systray Menu                                                         *
 ************************************************************************/

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void QVLCMenu::updateSystrayMenu( MainInterface *mi,
                                  intf_thread_t *p_intf,
                                  bool b_force_visible )
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{
    POPUP_BOILERPLATE;
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    /* Get the systray menu and clean it */
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    QMenu *sysMenu = mi->getSysTrayMenu();
    sysMenu->clear();
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    /* Hide / Show VLC and cone */
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    if( mi->isVisible() || b_force_visible )
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    {
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        sysMenu->addAction( QIcon( ":/vlc16.png" ),
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                qtr( "Hide VLC media player" ), mi,
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                SLOT( toggleUpdateSystrayMenu() ) );
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    }
    else
    {
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        sysMenu->addAction( QIcon( ":/vlc16.png" ),
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                qtr( "Show VLC media player" ), mi,
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                SLOT( toggleUpdateSystrayMenu() ) );
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    }
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    sysMenu->addSeparator();
    POPUP_PLAY_ENTRIES( sysMenu );
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    sysMenu->addSeparator();
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    DP_SADD( sysMenu, qtr( "&Open Media" ), "",
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            ":/pixmaps/file-wide_16px.png", openFileDialog(), "" );
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    DP_SADD( sysMenu, qtr( "&Quit" ) , "", ":/pixmaps/menus_quit_16px.png",
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             quit(), "" );
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    /* Set the menu */
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    mi->getSysTray()->setContextMenu( sysMenu );
}

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#undef PUSH_VAR
#undef PUSH_SEPARATOR
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/*************************************************************************
 * Builders for automenus
 *************************************************************************/
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QMenu * QVLCMenu::Populate( intf_thread_t *p_intf, QMenu *current,
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        vector< const char *> & varnames,
        vector<int> & objects, bool append )
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{
    QMenu *menu = current;
    if( !menu )
        menu = new QMenu();
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    else if( !append )
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        menu->clear();

    currentGroup = NULL;

    vlc_object_t *p_object;
    vlc_bool_t b_section_empty = VLC_FALSE;
    int i;

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#define APPEND_EMPTY { QAction *action = menu->addAction( qtr( "Empty" ) ); \
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    action->setEnabled( false ); }
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    for( i = 0; i < ( int )objects.size() ; i++ )
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    {
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        if( !varnames[i] || !*varnames[i] )
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        {
            if( b_section_empty )
                APPEND_EMPTY;
            menu->addSeparator();
            b_section_empty = VLC_TRUE;
            continue;
        }

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        if( objects[i] == 0 )
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        {
            /// \bug What is this ?
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            // Append( menu, varnames[i], NULL );
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            b_section_empty = VLC_FALSE;
            continue;
        }

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        p_object = ( vlc_object_t * )vlc_object_get( p_intf,
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                objects[i] );
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        if( p_object == NULL ) continue;

        b_section_empty = VLC_FALSE;
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        /* Ugly specific stuff */
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        if( strstr( varnames[i], "intf-add" ) )
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            CreateItem( menu, varnames[i], p_object, false );
        else
            CreateItem( menu, varnames[i], p_object, true );
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        vlc_object_release( p_object );
    }

    /* Special case for empty menus */
    if( menu->actions().size() == 0 || b_section_empty )
        APPEND_EMPTY

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    return menu;
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}

/*****************************************************************************
 * Private methods.
 *****************************************************************************/

static bool IsMenuEmpty( const char *psz_var, vlc_object_t *p_object,
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        bool b_root = TRUE )
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{
    vlc_value_t val, val_list;
    int i_type, i_result, i;

    /* Check the type of the object variable */
    i_type = var_Type( p_object, psz_var );

    /* Check if we want to display the variable */
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    if( !( i_type & VLC_VAR_HASCHOICE ) ) return FALSE;
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    var_Change( p_object, psz_var, VLC_VAR_CHOICESCOUNT, &val, NULL );
    if( val.i_int == 0 ) return TRUE;

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    if( ( i_type & VLC_VAR_TYPE ) != VLC_VAR_VARIABLE )
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    {
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        /* Very evil hack ! intf-switch can have only one value */
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        if( !strcmp( psz_var, "intf-switch" ) ) return FALSE;
        if( val.i_int == 1 && b_root ) return TRUE;
        else return FALSE;
    }

    /* Check children variables in case of VLC_VAR_VARIABLE */
    if( var_Change( p_object, psz_var, VLC_VAR_GETLIST, &val_list, NULL ) < 0 )
    {
        return TRUE;
    }

    for( i = 0, i_result = TRUE; i < val_list.p_list->i_count; i++ )
    {
        if( !IsMenuEmpty( val_list.p_list->p_values[i].psz_string,
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                    p_object, FALSE ) )
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