ctrl_move.cpp
上传用户:riyaled888
上传日期:2009-03-27
资源大小:7338k
文件大小:4k
- /*****************************************************************************
- * ctrl_move.cpp
- *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: ctrl_move.cpp 7073 2004-03-14 14:33:12Z asmax $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teuli鑢e <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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "ctrl_move.hpp"
- #include "../events/evt_generic.hpp"
- #include "../events/evt_mouse.hpp"
- #include "../events/evt_motion.hpp"
- #include "../src/top_window.hpp"
- #include "../src/window_manager.hpp"
- #include "../utils/position.hpp"
- CtrlMove::CtrlMove( intf_thread_t *pIntf, WindowManager &rWindowManager,
- CtrlFlat &rCtrl, TopWindow &rWindow,
- const UString &rHelp, VarBool *pVisible ):
- CtrlFlat( pIntf, rHelp, pVisible ), m_fsm( pIntf ),
- m_rWindowManager( rWindowManager ),
- m_rCtrl( rCtrl ), m_rWindow( rWindow ),
- m_cmdMovingMoving( this, &transMovingMoving ),
- m_cmdStillMoving( this, &transStillMoving ),
- m_cmdMovingStill( this, &transMovingStill )
- {
- m_pEvt = NULL;
- m_xPos = 0;
- m_yPos = 0;
- // States
- m_fsm.addState( "moving" );
- m_fsm.addState( "still" );
- // Transitions
- m_fsm.addTransition( "moving", "mouse:left:up:none", "still",
- &m_cmdMovingStill );
- m_fsm.addTransition( "still", "mouse:left:down:none", "moving",
- &m_cmdStillMoving );
- m_fsm.addTransition( "moving", "motion", "moving", &m_cmdMovingMoving );
- m_fsm.setState( "still" );
- }
- bool CtrlMove::mouseOver( int x, int y ) const
- {
- return m_rCtrl.mouseOver( x, y );
- }
- void CtrlMove::draw( OSGraphics &rImage, int xDest, int yDest )
- {
- m_rCtrl.draw( rImage, xDest, yDest );
- }
- void CtrlMove::setLayout( GenericLayout *pLayout, const Position &rPosition )
- {
- CtrlGeneric::setLayout( pLayout, rPosition );
- // Set the layout of the decorated control as well
- m_rCtrl.setLayout( pLayout, rPosition );
- }
- const Position *CtrlMove::getPosition() const
- {
- return m_rCtrl.getPosition();
- }
- void CtrlMove::handleEvent( EvtGeneric &rEvent )
- {
- m_pEvt = &rEvent;
- m_fsm.handleTransition( rEvent.getAsString() );
- // Transmit the event to the decorated control
- // XXX: Is it really a good idea?
- m_rCtrl.handleEvent( rEvent );
- }
- void CtrlMove::transStillMoving( SkinObject *pCtrl )
- {
- CtrlMove *pThis = (CtrlMove*)pCtrl;
- EvtMouse *pEvtMouse = (EvtMouse*)pThis->m_pEvt;
- pThis->m_xPos = pEvtMouse->getXPos();
- pThis->m_yPos = pEvtMouse->getYPos();
- pThis->captureMouse();
- pThis->m_rWindowManager.startMove( pThis->m_rWindow );
- }
- void CtrlMove::transMovingMoving( SkinObject *pCtrl )
- {
- CtrlMove *pThis = (CtrlMove*)pCtrl;
- EvtMotion *pEvtMotion = (EvtMotion*)pThis->m_pEvt;
- int xNewLeft = pEvtMotion->getXPos() - pThis->m_xPos +
- pThis->m_rWindow.getLeft();
- int yNewTop = pEvtMotion->getYPos() - pThis->m_yPos +
- pThis->m_rWindow.getTop();
- pThis->m_rWindowManager.move( pThis->m_rWindow, xNewLeft, yNewTop );
- }
- void CtrlMove::transMovingStill( SkinObject *pCtrl )
- {
- CtrlMove *pThis = (CtrlMove*)pCtrl;
- pThis->releaseMouse();
- pThis->m_rWindowManager.stopMove();
- }