qte_main.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:6k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * qte_main.c : QT Embedded wrapper for gte_main
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: 05ab4b4290418d013b99e5a5591d4525582c4e74 $
- *
- * Authors: Jean-Paul Saman <jpsaman _at_ videolan _dot_ 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.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- extern "C"
- {
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- }
- #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( vlc_object_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( N_("Qt Embedded GUI helper") )
- set_capability( "gui-helper", 90 )
- add_bool( "qte-guiserver", 0, NULL, STANDALONE_TEXT, STANDALONE_LONGTEXT, false )
- add_shortcut( "qte" )
- set_callbacks( Open, Close )
- vlc_module_end ()
- } /* extern "C" */
- static vlc_mutex_t qte_lock = VLC_STATIC_MUTEX;
- /*****************************************************************************
- * Open: initialize and create window
- *****************************************************************************/
- static int Open( vlc_object_t *p_this )
- {
- vlc_mutex_lock( &qte_lock );
- if( i_refcount > 0 )
- {
- i_refcount++;
- vlc_mutex_unlock( &qte_lock );
- 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, true ) )
- {
- vlc_object_release( p_qte_main );
- i_refcount--;
- vlc_mutex_unlock( lock );
- return VLC_ETHREAD;
- }
- i_refcount++;
- vlc_mutex_unlock( &qte_lock );
- 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_mutex_lock( &qte_lock );
- i_refcount--;
- if( i_refcount > 0 )
- {
- vlc_mutex_unlock( lock );
- 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_release( p_qte_main );
- p_qte_main = NULL;
- vlc_mutex_unlock( &qte_lock );
- }
- /*****************************************************************************
- * 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( vlc_object_t* p_vlc_obj )
- {
- qte_thread_t *p_this = (qte_thread_t*)p_vlc_obj;
- int i_argc = 1;
- int canc = vlc_savecancel ();
- p_this->b_gui_server = false;
- if( config_GetInt( p_this, "qte-guiserver" ) )
- {
- msg_Dbg( p_this, "Running as Qt Embedded standalone GuiServer" );
- p_this->b_gui_server = 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();
- vlc_restorecancel (canc);
- return NULL;
- }