git.sesse.net Git - vlc/blob - modules/gui/skins2/controls/ctrl_button.cpp

   1 /*****************************************************************************
   2  * ctrl_button.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
   8  *          Olivier Teulière <ipkiss@via.ecp.fr>
   9  *
  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.
  14  *
  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.
  19  *
  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  *****************************************************************************/
  24
  25 #include "ctrl_button.hpp"
  26 #include "../events/evt_generic.hpp"
  27 #include "../src/generic_bitmap.hpp"
  28 #include "../src/os_factory.hpp"
  29 #include "../src/os_graphics.hpp"
  30 #include "../commands/cmd_generic.hpp"
  31
  32
  33 CtrlButton::CtrlButton( intf_thread_t *pIntf, const GenericBitmap &rBmpUp,
  34                         const GenericBitmap &rBmpOver,
  35                         const GenericBitmap &rBmpDown, CmdGeneric &rCommand,
  36                         const UString &rTooltip, const UString &rHelp,
  37                         VarBool *pVisible ):
  38     CtrlGeneric( pIntf, rHelp, pVisible ), m_fsm( pIntf ),
  39     m_rCommand( rCommand ), m_tooltip( rTooltip ),
  40     m_cmdUpOverDownOver( this, &transUpOverDownOver ),
  41     m_cmdDownOverUpOver( this, &transDownOverUpOver ),
  42     m_cmdDownOverDown( this, &transDownOverDown ),
  43     m_cmdDownDownOver( this, &transDownDownOver ),
  44     m_cmdUpOverUp( this, &transUpOverUp ),
  45     m_cmdUpUpOver( this, &transUpUpOver ),
  46     m_cmdDownUp( this, &transDownUp ),
  47     m_cmdUpHidden( this, &transUpHidden ),
  48     m_cmdHiddenUp( this, &transHiddenUp )
  49 {
  50     // Build the images of the button
  51     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  52     m_pImgUp = pOsFactory->createOSGraphics( rBmpUp.getWidth(),
  53                                              rBmpUp.getHeight() );
  54     m_pImgUp->drawBitmap( rBmpUp, 0, 0 );
  55     m_pImgDown = pOsFactory->createOSGraphics( rBmpDown.getWidth(),
  56                                                rBmpDown.getHeight() );
  57     m_pImgDown->drawBitmap( rBmpDown, 0, 0 );
  58     m_pImgOver = pOsFactory->createOSGraphics( rBmpOver.getWidth(),
  59                                                rBmpOver.getHeight() );
  60     m_pImgOver->drawBitmap( rBmpOver, 0, 0 );
  61
  62     // States
  63     m_fsm.addState( "up" );
  64     m_fsm.addState( "down" );
  65     m_fsm.addState( "upOver" );
  66     m_fsm.addState( "downOver" );
  67     m_fsm.addState( "hidden" );
  68
  69     // Transitions
  70     m_fsm.addTransition( "upOver", "mouse:left:down", "downOver",
  71                          &m_cmdUpOverDownOver );
  72     m_fsm.addTransition( "upOver", "mouse:left:dblclick", "downOver",
  73                          &m_cmdUpOverDownOver );
  74     m_fsm.addTransition( "downOver", "mouse:left:up", "upOver",
  75                          &m_cmdDownOverUpOver );
  76     m_fsm.addTransition( "downOver", "leave", "down", &m_cmdDownOverDown );
  77     m_fsm.addTransition( "down", "enter", "downOver", &m_cmdDownDownOver );
  78     m_fsm.addTransition( "upOver", "leave", "up", &m_cmdUpOverUp );
  79     m_fsm.addTransition( "up", "enter", "upOver", &m_cmdUpUpOver );
  80     m_fsm.addTransition( "down", "mouse:left:up", "up", &m_cmdDownUp );
  81     // XXX: It would be easy to use a "ANY" initial state to handle these
  82     // four lines in only one. But till now it isn't worthwhile...
  83     m_fsm.addTransition( "up", "special:hide", "hidden", &m_cmdUpHidden );
  84     m_fsm.addTransition( "down", "special:hide", "hidden", &m_cmdUpHidden );
  85     m_fsm.addTransition( "upOver", "special:hide", "hidden", &m_cmdUpHidden );
  86     m_fsm.addTransition( "downOver", "special:hide", "hidden", &m_cmdUpHidden );
  87     m_fsm.addTransition( "hidden", "special:show", "up", &m_cmdHiddenUp );
  88
  89     // Initial state
  90     m_fsm.setState( "up" );
  91     m_pImg = m_pImgUp;
  92 }
  93
  94
  95 CtrlButton::~CtrlButton()
  96 {
  97     SKINS_DELETE( m_pImgUp );
  98     SKINS_DELETE( m_pImgDown );
  99     SKINS_DELETE( m_pImgOver );
 100 }
 101
 102
 103 void CtrlButton::handleEvent( EvtGeneric &rEvent )
 104 {
 105     m_fsm.handleTransition( rEvent.getAsString() );
 106 }
 107
 108
 109 bool CtrlButton::mouseOver( int x, int y ) const
 110 {
 111     if( m_pImg )
 112     {
 113         return m_pImg->hit( x, y );
 114     }
 115     else
 116     {
 117         return false;
 118     }
 119 }
 120
 121
 122 void CtrlButton::draw( OSGraphics &rImage, int xDest, int yDest )
 123 {
 124     if( m_pImg )
 125     {
 126         // Draw the current image
 127         rImage.drawGraphics( *m_pImg, 0, 0, xDest, yDest );
 128     }
 129 }
 130
 131
 132 void CtrlButton::transUpOverDownOver( SkinObject *pCtrl )
 133 {
 134     CtrlButton *pThis = (CtrlButton*)pCtrl;
 135     pThis->captureMouse();
 136     const OSGraphics *pOldImg = pThis->m_pImg;
 137     pThis->m_pImg = pThis->m_pImgDown;
 138     pThis->notifyLayoutMaxSize( pOldImg, pThis->m_pImg );
 139 }
 140
 141
 142 void CtrlButton::transDownOverUpOver( SkinObject *pCtrl )
 143 {
 144     CtrlButton *pThis = (CtrlButton*)pCtrl;
 145     pThis->releaseMouse();
 146     const OSGraphics *pOldImg = pThis->m_pImg;
 147     pThis->m_pImg = pThis->m_pImgUp;
 148     pThis->notifyLayoutMaxSize( pOldImg, pThis->m_pImg );
 149     // Execute the command associated to this button
 150     pThis->m_rCommand.execute();
 151 }
 152
 153
 154 void CtrlButton::transDownOverDown( SkinObject *pCtrl )
 155 {
 156     CtrlButton *pThis = (CtrlButton*)pCtrl;
 157     const OSGraphics *pOldImg = pThis->m_pImg;
 158     pThis->m_pImg = pThis->m_pImgUp;
 159     pThis->notifyLayoutMaxSize( pOldImg, pThis->m_pImg );
 160 }
 161
 162
 163 void CtrlButton::transDownDownOver( SkinObject *pCtrl )
 164 {
 165     CtrlButton *pThis = (CtrlButton*)pCtrl;
 166     const OSGraphics *pOldImg = pThis->m_pImg;
 167     pThis->m_pImg = pThis->m_pImgDown;
 168     pThis->notifyLayoutMaxSize( pOldImg, pThis->m_pImg );
 169 }
 170
 171
 172 void CtrlButton::transUpUpOver( SkinObject *pCtrl )
 173 {
 174     CtrlButton *pThis = (CtrlButton*)pCtrl;
 175     const OSGraphics *pOldImg = pThis->m_pImg;
 176     pThis->m_pImg = pThis->m_pImgOver;
 177     pThis->notifyLayoutMaxSize( pOldImg, pThis->m_pImg );
 178 }
 179
 180
 181 void CtrlButton::transUpOverUp( SkinObject *pCtrl )
 182 {
 183     CtrlButton *pThis = (CtrlButton*)pCtrl;
 184     const OSGraphics *pOldImg = pThis->m_pImg;
 185     pThis->m_pImg = pThis->m_pImgUp;
 186     pThis->notifyLayoutMaxSize( pOldImg, pThis->m_pImg );
 187 }
 188
 189
 190 void CtrlButton::transDownUp( SkinObject *pCtrl )
 191 {
 192     CtrlButton *pThis = (CtrlButton*)pCtrl;
 193     pThis->releaseMouse();
 194 }
 195
 196
 197 void CtrlButton::transUpHidden( SkinObject *pCtrl )
 198 {
 199     CtrlButton *pThis = (CtrlButton*)pCtrl;
 200     const OSGraphics *pOldImg = pThis->m_pImg;
 201     pThis->m_pImg = NULL;
 202     pThis->notifyLayoutMaxSize( pOldImg, pThis->m_pImg );
 203 }
 204
 205
 206 void CtrlButton::transHiddenUp( SkinObject *pCtrl )
 207 {
 208     CtrlButton *pThis = (CtrlButton*)pCtrl;
 209     const OSGraphics *pOldImg = pThis->m_pImg;
 210     pThis->m_pImg = pThis->m_pImgUp;
 211     pThis->notifyLayoutMaxSize( pOldImg, pThis->m_pImg );
 212 }
 213