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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, 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 "../src/window_manager.hpp"
30 #include "../commands/async_queue.hpp"
31 #include "../commands/cmd_resize.hpp"
34 CtrlVideo::CtrlVideo( intf_thread_t *pIntf, GenericLayout &rLayout,
35 bool autoResize, const UString &rHelp,
37 CtrlGeneric( pIntf, rHelp, pVisible ), m_pVout( NULL ),
38 m_rLayout( rLayout ), m_xShift( 0 ), m_yShift( 0 )
40 // Observe the vout size variable if the control is auto-resizable
43 VarBox &rVoutSize = VlcProc::instance( pIntf )->getVoutSizeVar();
44 rVoutSize.addObserver( this );
49 CtrlVideo::~CtrlVideo()
51 VarBox &rVoutSize = VlcProc::instance( getIntf() )->getVoutSizeVar();
52 rVoutSize.delObserver( this );
58 void CtrlVideo::handleEvent( EvtGeneric &rEvent )
63 bool CtrlVideo::mouseOver( int x, int y ) const
69 void CtrlVideo::onResize()
71 const Position *pPos = getPosition();
74 m_pVout->move( pPos->getLeft(), pPos->getTop() );
75 m_pVout->resize( pPos->getWidth(), pPos->getHeight() );
80 void CtrlVideo::onPositionChange()
82 // Compute the difference between layout size and video size
83 m_xShift = m_rLayout.getWidth() - getPosition()->getWidth();
84 m_yShift = m_rLayout.getHeight() - getPosition()->getHeight();
88 void CtrlVideo::draw( OSGraphics &rImage, int xDest, int yDest )
90 GenericWindow *pParent = getWindow();
91 const Position *pPos = getPosition();
94 // Draw a black rectangle under the video to avoid transparency
95 rImage.fillRect( pPos->getLeft(), pPos->getTop(), pPos->getWidth(),
96 pPos->getHeight(), 0 );
101 void CtrlVideo::onUpdate( Subject<VarBox> &rVoutSize, void *arg )
103 int newWidth = ((VarBox&)rVoutSize).getWidth() + m_xShift;
104 int newHeight = ((VarBox&)rVoutSize).getHeight() + m_yShift;
106 // Create a resize command
107 // FIXME: this way of getting the window manager kind of sucks
108 WindowManager &rWindowManager =
109 getIntf()->p_sys->p_theme->getWindowManager();
110 rWindowManager.startResize( m_rLayout, WindowManager::kResizeSE );
111 CmdGeneric *pCmd = new CmdResize( getIntf(), rWindowManager,
112 m_rLayout, newWidth, newHeight );
113 // Push the command in the asynchronous command queue
114 AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
115 pQueue->push( CmdGenericPtr( pCmd ) );
117 // FIXME: this should be a command too
118 rWindowManager.stopResize();
122 void CtrlVideo::setVisible( bool visible )
126 GenericWindow *pParent = getWindow();
127 const Position *pPos = getPosition();
128 // Create a child window for the vout if it doesn't exist yet
129 if( !m_pVout && pParent && pPos )
131 m_pVout = new VoutWindow( getIntf(), pPos->getLeft(),
132 pPos->getTop(), false, false, *pParent );
133 m_pVout->resize( pPos->getWidth(), pPos->getHeight() );