qt4.cpp 6.26 KB
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/*****************************************************************************
 * qt4.cpp : QT4 interface
 ****************************************************************************
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 * Copyright (C) 2006 the VideoLAN team
 * $Id$
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 *
 * Authors: Clément Stenac <zorglub@videolan.org>
 *
 * 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
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/

#include <QApplication>
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#include "qt4.hpp"
#include "dialogs_provider.hpp"
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#include "input_manager.hpp"
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#include "main_interface.hpp"
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#include "../../../share/vlc32x32.xpm"
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/*****************************************************************************
 * Local prototypes.
 *****************************************************************************/
static int  Open         ( vlc_object_t * );
static void Close        ( vlc_object_t * );
static int  OpenDialogs  ( vlc_object_t * );
static void Run          ( intf_thread_t * );
static void Init         ( intf_thread_t * );
static void ShowDialog   ( intf_thread_t *, int, int, intf_dialog_args_t * );

/*****************************************************************************
 * Module descriptor
 *****************************************************************************/
vlc_module_begin();
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    set_shortname( (char *)"Qt" );
    set_description( (char*)_("Qt interface") );
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    set_category( CAT_INTERFACE ) ;
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    set_subcategory( SUBCAT_INTERFACE_MAIN );
    set_capability( "interface", 100 );
    set_callbacks( Open, Close );

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    set_program( "qvlc" );
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    add_shortcut("qt");
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    add_submodule();
        set_description( "Dialogs provider" );
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        set_capability( "dialogs provider", 51 );
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        add_bool( "qt-always-video", VLC_FALSE, NULL, "FIXME", "FIXME", VLC_TRUE );
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        set_callbacks( OpenDialogs, Close );
vlc_module_end();


/*****************************************************************************
 * Module callbacks
 *****************************************************************************/
static int Open( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
    p_intf->pf_run = Run;
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#if defined HAVE_GETENV && defined Q_WS_X11
    if( !getenv( "DISPLAY" ) )
    {
        msg_Err(p_intf, "no X server");
        return VLC_EGENERIC;
    }
#endif
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    p_intf->p_sys = (intf_sys_t *)malloc(sizeof( intf_sys_t ) );
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    if( !p_intf->p_sys )
    {
        msg_Err(p_intf, "Out of memory");
        return VLC_ENOMEM;
    }
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    memset( p_intf->p_sys, 0, sizeof( intf_sys_t ) );

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    p_intf->p_sys->p_playlist = pl_Yield( p_intf );
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    p_intf->p_sys->p_sub = msg_Subscribe( p_intf, MSG_QUEUE_NORMAL );

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    p_intf->b_play = VLC_TRUE;

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    return VLC_SUCCESS;
}

static int OpenDialogs( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
    Open( p_this );
    p_intf->pf_show_dialog = ShowDialog;
    return VLC_SUCCESS;
}

static void Close( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
    vlc_mutex_lock( &p_intf->object_lock );
    p_intf->b_dead = VLC_TRUE;
    vlc_mutex_unlock( &p_intf->object_lock );

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    vlc_object_release( p_intf->p_sys->p_playlist );
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    msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
    free( p_intf->p_sys );
}


/*****************************************************************************
 * Initialize the interface or the dialogs provider
 *****************************************************************************/
static void Run( intf_thread_t *p_intf )
{
    if( p_intf->pf_show_dialog )
    {
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        if( vlc_thread_create( p_intf, "Qt dialogs", Init, 0, VLC_TRUE ) )
            msg_Err( p_intf, "failed to create Qt dialogs thread" );
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    }
    else
        Init( p_intf );
}

static void Init( intf_thread_t *p_intf )
{
    char *argv[] = { "" };
    int argc = 1;
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    Q_INIT_RESOURCE( vlc );
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    QApplication *app = new QApplication( argc, argv , true );
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    app->setWindowIcon( QIcon( QPixmap(vlc_xpm) ) );
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    p_intf->p_sys->p_app = app;

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    // Initialize timers
    DialogsProvider::getInstance( p_intf );

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    // Normal interface
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    if( !p_intf->pf_show_dialog )
    {
        MainInterface *p_mi = new MainInterface( p_intf );
        p_intf->p_sys->p_mi = p_mi;
        p_mi->show();
    }

    if( p_intf->pf_show_dialog )
        vlc_thread_ready( p_intf );

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    /* Start playing if needed */
    if( !p_intf->pf_show_dialog && p_intf->b_play )
    {
        playlist_Control( THEPL, PLAYLIST_AUTOPLAY, VLC_FALSE );
    }

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    app->setQuitOnLastWindowClosed( false );
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    app->exec();
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    MainInputManager::killInstance();
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    DialogsProvider::killInstance();
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    delete p_intf->p_sys->p_mi;
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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 )
{
    DialogEvent *event = new DialogEvent( i_dialog_event, i_arg, p_arg );
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    QApplication::postEvent( THEDP, static_cast<QEvent*>(event) );
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}
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/*****************************************************************************
 * PopupMenuCB: callback to show the popupmenu.
 *  We don't show the menu directly here because we don't want the
 *  caller to block for a too long time.
 *****************************************************************************/
static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
                        vlc_value_t old_val, vlc_value_t new_val, void *param )
{
    intf_thread_t *p_intf = (intf_thread_t *)param;
    ShowDialog( p_intf, INTF_DIALOG_POPUPMENU, new_val.b_bool, 0 );
    return VLC_SUCCESS;
}