1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2004 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 #include "ctrl_video.hpp"
25 #include "../src/theme.hpp"
26 #include "../src/vout_window.hpp"
27 #include "../src/os_graphics.hpp"
28 #include "../src/vlcproc.hpp"
29 #include "../commands/async_queue.hpp"
30 #include "../commands/cmd_resize.hpp"
33 CtrlVideo::CtrlVideo( intf_thread_t *pIntf, GenericLayout &rLayout,
34 bool autoResize, const UString &rHelp,
36 CtrlGeneric( pIntf, rHelp, pVisible ), m_pVout( NULL ),
37 m_rLayout( rLayout ), m_xShift( 0 ), m_yShift( 0 )
39 // Observe the vout size variable if the control is auto-resizable
42 VarBox &rVoutSize = VlcProc::instance( pIntf )->getVoutSizeVar();
43 rVoutSize.addObserver( this );
48 CtrlVideo::~CtrlVideo()
50 VarBox &rVoutSize = VlcProc::instance( getIntf() )->getVoutSizeVar();
51 rVoutSize.delObserver( this );
60 void CtrlVideo::handleEvent( EvtGeneric &rEvent )
65 bool CtrlVideo::mouseOver( int x, int y ) const
71 void CtrlVideo::onResize()
73 const Position *pPos = getPosition();
76 m_pVout->move( pPos->getLeft(), pPos->getTop() );
77 m_pVout->resize( pPos->getWidth(), pPos->getHeight() );
82 void CtrlVideo::onPositionChange()
84 // Compute the difference between layout size and video size
85 m_xShift = m_rLayout.getWidth() - getPosition()->getWidth();
86 m_yShift = m_rLayout.getHeight() - getPosition()->getHeight();
90 void CtrlVideo::draw( OSGraphics &rImage, int xDest, int yDest )
92 GenericWindow *pParent = getWindow();
93 const Position *pPos = getPosition();
96 // Draw a black rectangle under the video to avoid transparency
97 rImage.fillRect( pPos->getLeft(), pPos->getTop(), pPos->getWidth(),
98 pPos->getHeight(), 0 );
100 // Create a child window for the vout if it doesn't exist yet
103 m_pVout = new VoutWindow( getIntf(), pPos->getLeft(),
104 pPos->getTop(), false, false, *pParent );
105 m_pVout->resize( pPos->getWidth(), pPos->getHeight() );
112 void CtrlVideo::onUpdate( Subject<VarBox> &rVoutSize )
114 int newWidth = ((VarBox&)rVoutSize).getWidth() + m_xShift;
115 int newHeight = ((VarBox&)rVoutSize).getHeight() + m_yShift;
117 // Create a resize command
118 CmdGeneric *pCmd = new CmdResize( getIntf(), m_rLayout, newWidth,
120 // Push the command in the asynchronous command queue
121 AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
122 pQueue->push( CmdGenericPtr( pCmd ) );