ctrl_button.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:5k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * ctrl_button.cpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: f379c40ac69b4152e45b3af42b16899c07b9fff4 $
- *
- * 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 "ctrl_button.hpp"
- #include "../events/evt_generic.hpp"
- #include "../src/generic_bitmap.hpp"
- #include "../src/os_factory.hpp"
- #include "../src/os_graphics.hpp"
- #include "../commands/cmd_generic.hpp"
- CtrlButton::CtrlButton( intf_thread_t *pIntf, const GenericBitmap &rBmpUp,
- const GenericBitmap &rBmpOver,
- const GenericBitmap &rBmpDown, CmdGeneric &rCommand,
- const UString &rTooltip, const UString &rHelp,
- VarBool *pVisible ):
- CtrlGeneric( pIntf, rHelp, pVisible ), m_fsm( pIntf ),
- m_rCommand( rCommand ), m_tooltip( rTooltip ),
- m_imgUp( pIntf, rBmpUp ), m_imgOver( pIntf, rBmpOver ),
- m_imgDown( pIntf, rBmpDown ), m_pImg( NULL ), m_cmdUpOverDownOver( this ),
- m_cmdDownOverUpOver( this ), m_cmdDownOverDown( this ),
- m_cmdDownDownOver( this ), m_cmdUpOverUp( this ), m_cmdUpUpOver( this ),
- m_cmdDownUp( this ), m_cmdUpHidden( this ), m_cmdHiddenUp( this )
- {
- // States
- m_fsm.addState( "up" );
- m_fsm.addState( "down" );
- m_fsm.addState( "upOver" );
- m_fsm.addState( "downOver" );
- m_fsm.addState( "hidden" );
- // Transitions
- m_fsm.addTransition( "upOver", "mouse:left:down", "downOver",
- &m_cmdUpOverDownOver );
- m_fsm.addTransition( "upOver", "mouse:left:dblclick", "downOver",
- &m_cmdUpOverDownOver );
- m_fsm.addTransition( "downOver", "mouse:left:up", "upOver",
- &m_cmdDownOverUpOver );
- m_fsm.addTransition( "downOver", "leave", "down", &m_cmdDownOverDown );
- m_fsm.addTransition( "down", "enter", "downOver", &m_cmdDownDownOver );
- m_fsm.addTransition( "upOver", "leave", "up", &m_cmdUpOverUp );
- m_fsm.addTransition( "up", "enter", "upOver", &m_cmdUpUpOver );
- m_fsm.addTransition( "down", "mouse:left:up", "up", &m_cmdDownUp );
- // XXX: It would be easy to use a "ANY" initial state to handle these
- // four lines in only one. But till now it isn't worthwhile...
- m_fsm.addTransition( "up", "special:hide", "hidden", &m_cmdUpHidden );
- m_fsm.addTransition( "down", "special:hide", "hidden", &m_cmdUpHidden );
- m_fsm.addTransition( "upOver", "special:hide", "hidden", &m_cmdUpHidden );
- m_fsm.addTransition( "downOver", "special:hide", "hidden", &m_cmdUpHidden );
- m_fsm.addTransition( "hidden", "special:show", "up", &m_cmdHiddenUp );
- // Initial state
- m_fsm.setState( "up" );
- setImage( &m_imgUp );
- }
- CtrlButton::~CtrlButton()
- {
- }
- void CtrlButton::handleEvent( EvtGeneric &rEvent )
- {
- m_fsm.handleTransition( rEvent.getAsString() );
- }
- bool CtrlButton::mouseOver( int x, int y ) const
- {
- if( m_pImg )
- {
- return m_pImg->hit( x, y );
- }
- else
- {
- return false;
- }
- }
- void CtrlButton::draw( OSGraphics &rImage, int xDest, int yDest )
- {
- if( m_pImg )
- {
- // Draw the current image
- m_pImg->draw( rImage, xDest, yDest );
- }
- }
- void CtrlButton::setImage( AnimBitmap *pImg )
- {
- AnimBitmap *pOldImg = m_pImg;
- m_pImg = pImg;
- if( pOldImg )
- {
- pOldImg->stopAnim();
- pOldImg->delObserver( this );
- }
- if( pImg )
- {
- pImg->startAnim();
- pImg->addObserver( this );
- }
- notifyLayoutMaxSize( pOldImg, pImg );
- }
- void CtrlButton::onUpdate( Subject<AnimBitmap> &rBitmap, void *arg )
- {
- notifyLayout();
- }
- void CtrlButton::CmdUpOverDownOver::execute()
- {
- m_pParent->captureMouse();
- m_pParent->setImage( &m_pParent->m_imgDown );
- }
- void CtrlButton::CmdDownOverUpOver::execute()
- {
- m_pParent->releaseMouse();
- m_pParent->setImage( &m_pParent->m_imgUp );
- // Execute the command associated to this button
- m_pParent->m_rCommand.execute();
- }
- void CtrlButton::CmdDownOverDown::execute()
- {
- m_pParent->setImage( &m_pParent->m_imgUp );
- }
- void CtrlButton::CmdDownDownOver::execute()
- {
- m_pParent->setImage( &m_pParent->m_imgDown );
- }
- void CtrlButton::CmdUpUpOver::execute()
- {
- m_pParent->setImage( &m_pParent->m_imgOver );
- }
- void CtrlButton::CmdUpOverUp::execute()
- {
- m_pParent->setImage( &m_pParent->m_imgUp );
- }
- void CtrlButton::CmdDownUp::execute()
- {
- m_pParent->releaseMouse();
- }
- void CtrlButton::CmdUpHidden::execute()
- {
- m_pParent->setImage( NULL );
- }
- void CtrlButton::CmdHiddenUp::execute()
- {
- m_pParent->setImage( &m_pParent->m_imgUp );
- }