/***************************************************************************** * qte_main.c : QT Embedded wrapper for gte_main ***************************************************************************** * Copyright (C) 2003 VideoLAN * $Id: qte_main.cpp 10101 2005-03-02 16:47:31Z robux4 $ * * Authors: Jean-Paul Saman <jpsaman@wxs.nl> * * 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA. *****************************************************************************//***************************************************************************** * Preamble *****************************************************************************/extern "C"{#include <vlc/vlc.h>#include <stdlib.h>                                              /* atexit() */}#include <qapplication.h>#include <qpainter.h>extern "C"{typedef struct qte_thread_t{    VLC_COMMON_MEMBERS    QApplication*       p_qte_application;    QWidget*            p_qte_widget;    bool                b_gui_server;} qte_thread_t;/***************************************************************************** * Local prototypes. *****************************************************************************/static int  Open    ( vlc_object_t * );static void Close   ( vlc_object_t * );static void QteMain ( qte_thread_t * );/***************************************************************************** * Local variables (mutex-protected). *****************************************************************************/static int            i_refcount = 0;static qte_thread_t * p_qte_main = NULL;/***************************************************************************** * Module descriptor *****************************************************************************/#define STANDALONE_TEXT N_("Run as standalone Qt/Embedded GUI Server")#define STANDALONE_LONGTEXT N_("Use this option to run as standalone " \    "Qt/Embedded GUI Server. This option is equivalent to the -qws option " \    "from normal Qt.")vlc_module_begin();    set_description( _("Qt Embedded GUI helper") );    set_capability( "gui-helper", 90 );    add_bool( "qte-guiserver", 0, NULL, STANDALONE_TEXT, STANDALONE_LONGTEXT, VLC_FALSE );    add_shortcut( "qte" );    set_callbacks( Open, Close );vlc_module_end();} /* extern "C" *//***************************************************************************** * Open: initialize and create window *****************************************************************************/static int Open( vlc_object_t *p_this ){    vlc_value_t lockval;    /* FIXME: put this in the module (de)initialization ASAP */    var_Create( p_this->p_libvlc, "qte", VLC_VAR_MUTEX );    var_Get( p_this->p_libvlc, "qte", &lockval );    vlc_mutex_lock( (vlc_mutex_t *) lockval.p_address );    if( i_refcount > 0 )    {        i_refcount++;        vlc_mutex_unlock( (vlc_mutex_t *) lockval.p_address );        return VLC_SUCCESS;    }    p_qte_main = (qte_thread_t *) vlc_object_create( p_this, sizeof(qte_thread_t) );    /* Launch the QApplication::exec() thread. It will not return until the     * application is properly initialized, which ensures us thread safety. */    if( vlc_thread_create( p_qte_main, "qte_main", QteMain,                           VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )    {        vlc_object_destroy( p_qte_main );        i_refcount--;        vlc_mutex_unlock( (vlc_mutex_t *) lockval.p_address );        var_Destroy( p_this->p_libvlc, "qte" );        return VLC_ETHREAD;    }    i_refcount++;    vlc_mutex_unlock( (vlc_mutex_t *) lockval.p_address );    vlc_object_attach( p_qte_main, p_this );    msg_Dbg( p_this, "qte_main running" );    return VLC_SUCCESS;}/***************************************************************************** * Close: destroy interface window *****************************************************************************/static void Close( vlc_object_t *p_this ){    vlc_value_t lockval;    var_Get( p_this->p_libvlc, "qte", &lockval );    vlc_mutex_lock( (vlc_mutex_t *) lockval.p_address );    i_refcount--;    if( i_refcount > 0 )    {        vlc_mutex_unlock( (vlc_mutex_t *) lockval.p_address );        var_Destroy( p_this->p_libvlc, "qte" );        return;    }    p_qte_main->p_qte_application->quit();    /* Cleanup allocated classes. */    delete p_qte_main->p_qte_widget;    delete p_qte_main->p_qte_application;    msg_Dbg( p_this, "Detaching qte_main" );    vlc_object_detach( p_qte_main );    vlc_object_destroy( p_qte_main );    p_qte_main = NULL;    vlc_mutex_unlock( (vlc_mutex_t *) lockval.p_address );    var_Destroy( p_this->p_libvlc, "qte" );}/***************************************************************************** * QteMain: Qt Embedded thread ***************************************************************************** * this part of the interface is in a separate thread so that we can call * qte_main() from within it without annoying the rest of the program. *****************************************************************************/static void QteMain( qte_thread_t *p_this ){    int i_argc = 1;    p_this->b_gui_server = VLC_FALSE;    if( config_GetInt( p_this, "qte-guiserver" ) )    {        msg_Dbg( p_this, "Running as Qt Embedded standalone GuiServer" );        p_this->b_gui_server = VLC_TRUE;    }    /* Run as standalone GuiServer or as GuiClient. */    QApplication* pApp = new QApplication(i_argc, NULL,        (p_this->b_gui_server ? (QApplication::GuiServer):(QApplication::GuiClient)) );    if(pApp)    {        p_this->p_qte_application = pApp;    }    QWidget* pWidget = new QWidget(0, _("video") );    if(pWidget)    {        p_this->p_qte_widget = pWidget;    }    /* signal the creation of the window */    p_this->p_qte_application->setMainWidget(p_this->p_qte_widget);    p_this->p_qte_widget->show();    vlc_thread_ready( p_this );    p_this->p_qte_application->exec();}