mirror of
https://code.videolan.org/videolan/vlc
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196 lines
6.1 KiB
C++
196 lines
6.1 KiB
C++
/*****************************************************************************
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* qte_main.c : QT Embedded wrapper for gte_main
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*****************************************************************************
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* Copyright (C) 2003 the VideoLAN team
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* $Id$
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*
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* Authors: Jean-Paul Saman <jpsaman _at_ videolan _dot_ org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* 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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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* 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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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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extern "C"
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{
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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}
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#include <qapplication.h>
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#include <qpainter.h>
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extern "C"
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{
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typedef struct qte_thread_t
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{
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VLC_COMMON_MEMBERS
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QApplication* p_qte_application;
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QWidget* p_qte_widget;
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bool b_gui_server;
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} qte_thread_t;
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/*****************************************************************************
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* Local prototypes.
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close ( vlc_object_t * );
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static void* QteMain( vlc_object_t * );
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/*****************************************************************************
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* Local variables (mutex-protected).
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*****************************************************************************/
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static int i_refcount = 0;
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static qte_thread_t * p_qte_main = NULL;
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define STANDALONE_TEXT N_("Run as standalone Qt/Embedded GUI Server")
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#define STANDALONE_LONGTEXT N_("Use this option to run as standalone " \
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"Qt/Embedded GUI Server. This option is equivalent to the -qws option " \
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"from normal Qt.")
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vlc_module_begin ()
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set_description( N_("Qt Embedded GUI helper") )
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set_capability( "gui-helper", 90 )
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add_bool( "qte-guiserver", false, NULL, STANDALONE_TEXT, STANDALONE_LONGTEXT, false )
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add_shortcut( "qte" )
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set_callbacks( Open, Close )
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vlc_module_end ()
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} /* extern "C" */
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static vlc_mutex_t qte_lock = VLC_STATIC_MUTEX;
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/*****************************************************************************
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* Open: initialize and create window
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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vlc_mutex_lock( &qte_lock );
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if( i_refcount > 0 )
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{
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i_refcount++;
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vlc_mutex_unlock( &qte_lock );
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return VLC_SUCCESS;
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}
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p_qte_main = (qte_thread_t *) vlc_object_create( p_this, sizeof(qte_thread_t) );
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/* Launch the QApplication::exec() thread. It will not return until the
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* application is properly initialized, which ensures us thread safety. */
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if( vlc_thread_create( p_qte_main, "qte_main", QteMain,
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VLC_THREAD_PRIORITY_LOW, true ) )
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{
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vlc_object_release( p_qte_main );
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i_refcount--;
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vlc_mutex_unlock( lock );
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return VLC_ENOMEM;
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}
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i_refcount++;
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vlc_mutex_unlock( &qte_lock );
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vlc_object_attach( p_qte_main, p_this );
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msg_Dbg( p_this, "qte_main running" );
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close: destroy interface window
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*****************************************************************************/
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static void Close( vlc_object_t *p_this )
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{
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vlc_mutex_lock( &qte_lock );
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i_refcount--;
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if( i_refcount > 0 )
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{
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vlc_mutex_unlock( lock );
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return;
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}
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p_qte_main->p_qte_application->quit();
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/* Cleanup allocated classes. */
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delete p_qte_main->p_qte_widget;
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delete p_qte_main->p_qte_application;
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msg_Dbg( p_this, "Detaching qte_main" );
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vlc_object_detach( p_qte_main );
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vlc_object_release( p_qte_main );
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p_qte_main = NULL;
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vlc_mutex_unlock( &qte_lock );
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}
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/*****************************************************************************
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* QteMain: Qt Embedded thread
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*****************************************************************************
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* this part of the interface is in a separate thread so that we can call
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* qte_main() from within it without annoying the rest of the program.
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*****************************************************************************/
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static void* QteMain( vlc_object_t* p_vlc_obj )
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{
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qte_thread_t *p_this = (qte_thread_t*)p_vlc_obj;
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int i_argc = 1;
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int canc = vlc_savecancel ();
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p_this->b_gui_server = false;
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if( config_GetInt( p_this, "qte-guiserver" ) )
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{
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msg_Dbg( p_this, "Running as Qt Embedded standalone GuiServer" );
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p_this->b_gui_server = true;
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}
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/* Run as standalone GuiServer or as GuiClient. */
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QApplication* pApp = new QApplication(i_argc, NULL,
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(p_this->b_gui_server ? (QApplication::GuiServer):(QApplication::GuiClient)) );
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if( pApp )
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{
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p_this->p_qte_application = pApp;
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}
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QWidget* pWidget = new QWidget(0, _("video") );
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if( pWidget )
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{
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p_this->p_qte_widget = pWidget;
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}
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/* signal the creation of the window */
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p_this->p_qte_application->setMainWidget(p_this->p_qte_widget);
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p_this->p_qte_widget->show();
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vlc_thread_ready( p_this );
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p_this->p_qte_application->exec();
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vlc_restorecancel (canc);
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return NULL;
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}
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