ctrl_resize.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:6k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * ctrl_resize.cpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: 7e5965563e603d08eebbf92f930d661068b99d44 $
- *
- * 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_resize.hpp"
- #include "../events/evt_generic.hpp"
- #include "../events/evt_mouse.hpp"
- #include "../events/evt_motion.hpp"
- #include "../src/generic_layout.hpp"
- #include "../src/os_factory.hpp"
- #include "../utils/position.hpp"
- #include "../commands/async_queue.hpp"
- #include "../commands/cmd_resize.hpp"
- CtrlResize::CtrlResize( intf_thread_t *pIntf, WindowManager &rWindowManager,
- CtrlFlat &rCtrl, GenericLayout &rLayout,
- const UString &rHelp, VarBool *pVisible,
- WindowManager::Direction_t direction ):
- CtrlFlat( pIntf, rHelp, pVisible ), m_fsm( pIntf ),
- m_rWindowManager( rWindowManager ), m_rCtrl( rCtrl ),
- m_rLayout( rLayout ), m_direction( direction ), m_cmdOutStill( this ),
- m_cmdStillOut( this ),
- m_cmdStillStill( this ),
- m_cmdStillResize( this ),
- m_cmdResizeStill( this ),
- m_cmdResizeResize( this )
- {
- m_pEvt = NULL;
- m_xPos = 0;
- m_yPos = 0;
- // States
- m_fsm.addState( "out" );
- m_fsm.addState( "still" );
- m_fsm.addState( "resize" );
- // Transitions
- m_fsm.addTransition( "out", "enter", "still", &m_cmdOutStill );
- m_fsm.addTransition( "still", "leave", "out", &m_cmdStillOut );
- m_fsm.addTransition( "still", "motion", "still", &m_cmdStillStill );
- m_fsm.addTransition( "resize", "mouse:left:up:none", "still",
- &m_cmdResizeStill );
- m_fsm.addTransition( "still", "mouse:left:down:none", "resize",
- &m_cmdStillResize );
- m_fsm.addTransition( "resize", "motion", "resize", &m_cmdResizeResize );
- m_fsm.setState( "still" );
- }
- bool CtrlResize::mouseOver( int x, int y ) const
- {
- return m_rCtrl.mouseOver( x, y );
- }
- void CtrlResize::draw( OSGraphics &rImage, int xDest, int yDest )
- {
- m_rCtrl.draw( rImage, xDest, yDest );
- }
- void CtrlResize::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 *CtrlResize::getPosition() const
- {
- return m_rCtrl.getPosition();
- }
- void CtrlResize::onResize()
- {
- m_rCtrl.onResize();
- }
- void CtrlResize::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 CtrlResize::changeCursor( WindowManager::Direction_t direction ) const
- {
- OSFactory *pOsFactory = OSFactory::instance( getIntf() );
- if( direction == WindowManager::kResizeSE )
- pOsFactory->changeCursor( OSFactory::kResizeNWSE );
- else if( direction == WindowManager::kResizeS )
- pOsFactory->changeCursor( OSFactory::kResizeNS );
- else if( direction == WindowManager::kResizeE )
- pOsFactory->changeCursor( OSFactory::kResizeWE );
- else if( direction == WindowManager::kNone )
- pOsFactory->changeCursor( OSFactory::kDefaultArrow );
- }
- void CtrlResize::CmdOutStill::execute()
- {
- m_pParent->changeCursor( m_pParent->m_direction );
- }
- void CtrlResize::CmdStillOut::execute()
- {
- m_pParent->changeCursor( WindowManager::kNone );
- }
- void CtrlResize::CmdStillStill::execute()
- {
- m_pParent->changeCursor( m_pParent->m_direction );
- }
- void CtrlResize::CmdStillResize::execute()
- {
- EvtMouse *pEvtMouse = (EvtMouse*)m_pParent->m_pEvt;
- // Set the cursor
- m_pParent->changeCursor( m_pParent->m_direction );
- m_pParent->m_xPos = pEvtMouse->getXPos();
- m_pParent->m_yPos = pEvtMouse->getYPos();
- m_pParent->captureMouse();
- m_pParent->m_width = m_pParent->m_rLayout.getWidth();
- m_pParent->m_height = m_pParent->m_rLayout.getHeight();
- m_pParent->m_rWindowManager.startResize( m_pParent->m_rLayout,
- m_pParent->m_direction);
- }
- void CtrlResize::CmdResizeStill::execute()
- {
- // Set the cursor
- m_pParent->changeCursor( m_pParent->m_direction );
- m_pParent->releaseMouse();
- m_pParent->m_rWindowManager.stopResize();
- }
- void CtrlResize::CmdResizeResize::execute()
- {
- EvtMotion *pEvtMotion = (EvtMotion*)m_pParent->m_pEvt;
- // Set the cursor
- m_pParent->changeCursor( m_pParent->m_direction );
- int newWidth = m_pParent->m_width;
- newWidth += pEvtMotion->getXPos() - m_pParent->m_xPos;
- int newHeight = m_pParent->m_height;
- newHeight += pEvtMotion->getYPos() - m_pParent->m_yPos;
- // Create a resize command, instead of calling the window manager directly.
- // Thanks to this trick, the duplicate resizing commands will be trashed
- // in the asynchronous queue, thus making resizing faster
- CmdGeneric *pCmd = new CmdResize( m_pParent->getIntf(),
- m_pParent->m_rWindowManager,
- m_pParent->m_rLayout,
- newWidth, newHeight );
- // Push the command in the asynchronous command queue
- AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
- pQueue->push( CmdGenericPtr( pCmd ) );
- }