generic_window.cpp
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
资源大小:29949k
文件大小:4k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * generic_window.cpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: cbad909af458d7a4e5ee652cb35cfe19d7e0d948 $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teulière <ipkiss@via.ecp.fr>
- *
- * 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 "generic_window.hpp"
- #include "os_window.hpp"
- #include "os_factory.hpp"
- #include "var_manager.hpp"
- #include "../events/evt_refresh.hpp"
- GenericWindow::GenericWindow( intf_thread_t *pIntf, int left, int top,
- bool dragDrop, bool playOnDrop,
- GenericWindow *pParent ):
- SkinObject( pIntf ), m_left( left ), m_top( top ), m_width( 0 ),
- m_height( 0 ), m_pVarVisible( NULL )
- {
- // Get the OSFactory
- OSFactory *pOsFactory = OSFactory::instance( getIntf() );
- // Get the parent OSWindow, if any
- OSWindow *pOSParent = NULL;
- if( pParent )
- {
- pOSParent = pParent->m_pOsWindow;
- }
- // Create an OSWindow to handle OS specific processing
- m_pOsWindow = pOsFactory->createOSWindow( *this, dragDrop, playOnDrop,
- pOSParent );
- // Create the visibility variable and register it in the manager
- m_pVarVisible = new VarBoolImpl( pIntf );
- VarManager::instance( pIntf )->registerVar( VariablePtr( m_pVarVisible ) );
- // Observe the visibility variable
- m_pVarVisible->addObserver( this );
- }
- GenericWindow::~GenericWindow()
- {
- m_pVarVisible->delObserver( this );
- delete m_pOsWindow;
- }
- void GenericWindow::processEvent( EvtRefresh &rEvtRefresh )
- {
- // Refresh the given area
- refresh( rEvtRefresh.getXStart(), rEvtRefresh.getYStart(),
- rEvtRefresh.getWidth(), rEvtRefresh.getHeight() );
- }
- void GenericWindow::show() const
- {
- m_pVarVisible->set( true );
- }
- void GenericWindow::hide() const
- {
- m_pVarVisible->set( false );
- }
- void GenericWindow::move( int left, int top )
- {
- // Update the window coordinates
- m_left = left;
- m_top = top;
- m_pOsWindow->moveResize( left, top, m_width, m_height );
- }
- void GenericWindow::resize( int width, int height )
- {
- // don't try when value is 0 (may crash)
- if( !width || ! height )
- return;
- // Update the window size
- m_width = width;
- m_height = height;
- m_pOsWindow->moveResize( m_left, m_top, width, height );
- }
- void GenericWindow::raise() const
- {
- m_pOsWindow->raise();
- }
- void GenericWindow::setOpacity( uint8_t value )
- {
- m_pOsWindow->setOpacity( value );
- }
- void GenericWindow::toggleOnTop( bool onTop ) const
- {
- m_pOsWindow->toggleOnTop( onTop );
- }
- void GenericWindow::onUpdate( Subject<VarBool> &rVariable, void*arg )
- {
- if (&rVariable == m_pVarVisible )
- {
- if( m_pVarVisible->get() )
- {
- innerShow();
- }
- else
- {
- innerHide();
- }
- }
- }
- void GenericWindow::innerShow()
- {
- if( m_pOsWindow )
- {
- m_pOsWindow->show( m_left, m_top );
- }
- }
- void GenericWindow::innerHide()
- {
- if( m_pOsWindow )
- {
- m_pOsWindow->hide();
- }
- }
- void* GenericWindow::getOSHandle() const
- {
- return m_pOsWindow->getOSHandle();
- }
- void GenericWindow::setParent( GenericWindow* pParent, int x, int y, int w, int h )
- {
- void* handle = pParent ? pParent->getOSHandle() : NULL;
- m_pOsWindow->reparent( handle, x, y, w, h );
- }