1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 VideoLAN
5 * $Id: ctrl_resize.cpp,v 1.1 2004/01/03 23:31:33 asmax Exp $
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
8 * Olivier Teulière <ipkiss@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 #include "ctrl_resize.hpp"
26 #include "../events/evt_generic.hpp"
27 #include "../events/evt_mouse.hpp"
28 #include "../events/evt_motion.hpp"
29 #include "../src/generic_layout.hpp"
30 #include "../utils/position.hpp"
31 #include "../commands/async_queue.hpp"
32 #include "../commands/cmd_resize.hpp"
35 CtrlResize::CtrlResize( intf_thread_t *pIntf, CtrlFlat &rCtrl,
36 GenericLayout &rLayout, const UString &rHelp ):
37 CtrlFlat( pIntf, rHelp ), m_fsm( pIntf ), m_rCtrl( rCtrl ),
38 m_rLayout( rLayout ), m_cmdResizeResize( this, &transResizeResize ),
39 m_cmdStillResize( this, &transStillResize ),
40 m_cmdResizeStill( this, &transResizeStill )
47 m_fsm.addState( "resize" );
48 m_fsm.addState( "still" );
51 m_fsm.addTransition( "resize", "mouse:left:up:none", "still",
53 m_fsm.addTransition( "still", "mouse:left:down:none", "resize",
55 m_fsm.addTransition( "resize", "motion", "resize", &m_cmdResizeResize );
57 m_fsm.setState( "still" );
61 bool CtrlResize::mouseOver( int x, int y ) const
63 return m_rCtrl.mouseOver( x, y );
67 void CtrlResize::draw( OSGraphics &rImage, int xDest, int yDest )
69 m_rCtrl.draw( rImage, xDest, yDest );
73 void CtrlResize::setLayout( GenericLayout *pLayout, const Position &rPosition )
75 CtrlGeneric::setLayout( pLayout, rPosition );
76 // Set the layout of the decorated control as well
77 m_rCtrl.setLayout( pLayout, rPosition );
81 const Position *CtrlResize::getPosition() const
83 return m_rCtrl.getPosition();
87 void CtrlResize::handleEvent( EvtGeneric &rEvent )
90 m_fsm.handleTransition( rEvent.getAsString() );
91 // Transmit the event to the decorated control
92 // XXX: Is it really a good idea?
93 m_rCtrl.handleEvent( rEvent );
97 void CtrlResize::transStillResize( SkinObject *pCtrl )
99 CtrlResize *pThis = (CtrlResize*)pCtrl;
100 EvtMouse *pEvtMouse = (EvtMouse*)pThis->m_pEvt;
102 pThis->m_xPos = pEvtMouse->getXPos();
103 pThis->m_yPos = pEvtMouse->getYPos();
105 pThis->captureMouse();
107 pThis->m_width = pThis->m_rLayout.getWidth();
108 pThis->m_height = pThis->m_rLayout.getHeight();
112 void CtrlResize::transResizeResize( SkinObject *pCtrl )
114 CtrlResize *pThis = (CtrlResize*)pCtrl;
115 EvtMotion *pEvtMotion = (EvtMotion*)pThis->m_pEvt;
117 int newWidth = pEvtMotion->getXPos() - pThis->m_xPos + pThis->m_width;
118 int newHeight = pEvtMotion->getYPos() - pThis->m_yPos + pThis->m_height;
121 if( newWidth < pThis->m_rLayout.getMinWidth() )
123 newWidth = pThis->m_rLayout.getMinWidth();
125 if( newWidth > pThis->m_rLayout.getMaxWidth() )
127 newWidth = pThis->m_rLayout.getMaxWidth();
129 if( newHeight < pThis->m_rLayout.getMinHeight() )
131 newHeight = pThis->m_rLayout.getMinHeight();
133 if( newHeight > pThis->m_rLayout.getMaxHeight() )
135 newHeight = pThis->m_rLayout.getMaxHeight();
138 // Create a resize command
139 CmdGeneric *pCmd = new CmdResize( pThis->getIntf(), pThis->m_rLayout,
140 newWidth, newHeight );
141 // Push the command in the asynchronous command queue
142 AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
143 pQueue->remove( "resize" );
144 pQueue->push( CmdGenericPtr( pCmd ) );
148 void CtrlResize::transResizeStill( SkinObject *pCtrl )
150 CtrlResize *pThis = (CtrlResize*)pCtrl;
152 pThis->releaseMouse();