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

   1 /*****************************************************************************
   2  * ctrl_checkbox.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 VideoLAN
   5  * $Id: ctrl_checkbox.cpp,v 1.3 2004/02/29 16:49:55 asmax Exp $
   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_checkbox.hpp"
  26 #include "../events/evt_generic.hpp"
  27 #include "../commands/cmd_generic.hpp"
  28 #include "../src/generic_bitmap.hpp"
  29 #include "../src/os_factory.hpp"
  30 #include "../src/os_graphics.hpp"
  31 #include "../utils/var_bool.hpp"
  32
  33
  34 CtrlCheckbox::CtrlCheckbox( intf_thread_t *pIntf,
  35                             const GenericBitmap &rBmpUp1,
  36                             const GenericBitmap &rBmpOver1,
  37                             const GenericBitmap &rBmpDown1,
  38                             const GenericBitmap &rBmpUp2,
  39                             const GenericBitmap &rBmpOver2,
  40                             const GenericBitmap &rBmpDown2,
  41                             CmdGeneric &rCommand1, CmdGeneric &rCommand2,
  42                             const UString &rTooltip1,
  43                             const UString &rTooltip2,
  44                             VarBool &rVariable, const UString &rHelp,
  45                             VarBool *pVisible ):
  46     CtrlGeneric( pIntf, rHelp, pVisible ), m_fsm( pIntf ),
  47     m_rVariable( rVariable ),
  48     m_rCommand1( rCommand1 ), m_rCommand2( rCommand2 ),
  49     m_tooltip1( rTooltip1 ), m_tooltip2( rTooltip2 ),
  50     m_cmdUpOverDownOver( this, &transUpOverDownOver ),
  51     m_cmdDownOverUpOver( this, &transDownOverUpOver ),
  52     m_cmdDownOverDown( this, &transDownOverDown ),
  53     m_cmdDownDownOver( this, &transDownDownOver ),
  54     m_cmdUpOverUp( this, &transUpOverUp ),
  55     m_cmdUpUpOver( this, &transUpUpOver ),
  56     m_cmdDownUp( this, &transDownUp ),
  57     m_cmdUpHidden( this, &transUpHidden ),
  58     m_cmdHiddenUp( this, &transHiddenUp )
  59 {
  60     // Build the images of the checkbox
  61     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  62     m_pImgUp1 = pOsFactory->createOSGraphics( rBmpUp1.getWidth(),
  63                                               rBmpUp1.getHeight() );
  64     m_pImgUp1->drawBitmap( rBmpUp1, 0, 0 );
  65     m_pImgDown1 = pOsFactory->createOSGraphics( rBmpDown1.getWidth(),
  66                                                 rBmpDown1.getHeight() );
  67     m_pImgDown1->drawBitmap( rBmpDown1, 0, 0 );
  68     m_pImgOver1 = pOsFactory->createOSGraphics( rBmpOver1.getWidth(),
  69                                                 rBmpOver1.getHeight() );
  70     m_pImgOver1->drawBitmap( rBmpOver1, 0, 0 );
  71
  72     m_pImgUp2 = pOsFactory->createOSGraphics( rBmpUp2.getWidth(),
  73                                               rBmpUp2.getHeight() );
  74     m_pImgUp2->drawBitmap( rBmpUp2, 0, 0 );
  75     m_pImgDown2 = pOsFactory->createOSGraphics( rBmpDown2.getWidth(),
  76                                                 rBmpDown2.getHeight() );
  77     m_pImgDown2->drawBitmap( rBmpDown2, 0, 0 );
  78     m_pImgOver2 = pOsFactory->createOSGraphics( rBmpOver2.getWidth(),
  79                                                 rBmpOver2.getHeight() );
  80     m_pImgOver2->drawBitmap( rBmpOver2, 0, 0 );
  81
  82     // States
  83     m_fsm.addState( "up" );
  84     m_fsm.addState( "down" );
  85     m_fsm.addState( "upOver" );
  86     m_fsm.addState( "downOver" );
  87     m_fsm.addState( "hidden" );
  88
  89     // Transitions
  90     m_fsm.addTransition( "upOver", "mouse:left:down", "downOver",
  91                          &m_cmdUpOverDownOver );
  92     m_fsm.addTransition( "downOver", "mouse:left:up", "upOver",
  93                          &m_cmdDownOverUpOver );
  94     m_fsm.addTransition( "downOver", "leave", "down", &m_cmdDownOverDown );
  95     m_fsm.addTransition( "down", "enter", "downOver", &m_cmdDownDownOver );
  96     m_fsm.addTransition( "upOver", "leave", "up", &m_cmdUpOverUp );
  97     m_fsm.addTransition( "up", "enter", "upOver", &m_cmdUpUpOver );
  98     m_fsm.addTransition( "down", "mouse:left:up", "up", &m_cmdDownUp );
  99     // XXX: It would be easy to use a "ANY" initial state to handle these
 100     // four lines in only one. But till now it isn't worthwhile...
 101     m_fsm.addTransition( "up", "special:hide", "hidden", &m_cmdUpHidden );
 102     m_fsm.addTransition( "down", "special:hide", "hidden", &m_cmdUpHidden );
 103     m_fsm.addTransition( "upOver", "special:hide", "hidden", &m_cmdUpHidden );
 104     m_fsm.addTransition( "downOver", "special:hide", "hidden", &m_cmdUpHidden );
 105     m_fsm.addTransition( "hidden", "special:show", "up", &m_cmdHiddenUp );
 106
 107     // Observe the variable
 108     m_rVariable.addObserver( this );
 109
 110     // Initial state
 111     m_fsm.setState( "up" );
 112     if( !m_rVariable.get() )
 113     {
 114         m_pImgUp = m_pImgUp1;
 115         m_pImgOver = m_pImgOver1;
 116         m_pImgDown = m_pImgDown1;
 117         m_pImgCurrent = m_pImgUp;
 118         m_pCommand = &m_rCommand1;
 119         m_pTooltip = &m_tooltip1;
 120     }
 121     else
 122     {
 123         m_pImgUp = m_pImgUp2;
 124         m_pImgOver = m_pImgOver2;
 125         m_pImgDown = m_pImgDown2;
 126         m_pImgCurrent = m_pImgDown;
 127         m_pCommand = &m_rCommand2;
 128         m_pTooltip = &m_tooltip2;
 129     }
 130 }
 131
 132
 133 CtrlCheckbox::~CtrlCheckbox()
 134 {
 135     m_rVariable.delObserver( this );
 136     SKINS_DELETE( m_pImgUp1 );
 137     SKINS_DELETE( m_pImgDown1 );
 138     SKINS_DELETE( m_pImgOver1 );
 139     SKINS_DELETE( m_pImgUp2 );
 140     SKINS_DELETE( m_pImgDown2 );
 141     SKINS_DELETE( m_pImgOver2 );
 142 }
 143
 144
 145 void CtrlCheckbox::handleEvent( EvtGeneric &rEvent )
 146 {
 147     m_fsm.handleTransition( rEvent.getAsString() );
 148 }
 149
 150
 151 bool CtrlCheckbox::mouseOver( int x, int y ) const
 152 {
 153     if( m_pImgCurrent )
 154     {
 155         return m_pImgCurrent->hit( x, y );
 156     }
 157     else
 158     {
 159         return false;
 160     }
 161 }
 162
 163
 164 void CtrlCheckbox::draw( OSGraphics &rImage, int xDest, int yDest )
 165 {
 166     if( m_pImgCurrent )
 167     {
 168         // Draw the current image
 169         rImage.drawGraphics( *m_pImgCurrent, 0, 0, xDest, yDest );
 170     }
 171 }
 172
 173
 174 void CtrlCheckbox::transUpOverDownOver( SkinObject *pCtrl )
 175 {
 176     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 177     pThis->captureMouse();
 178     pThis->m_pImgCurrent = pThis->m_pImgDown;
 179     pThis->notifyLayout();
 180 }
 181
 182
 183 void CtrlCheckbox::transDownOverUpOver( SkinObject *pCtrl )
 184 {
 185     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 186     pThis->releaseMouse();
 187
 188     // Invert the state variable
 189     pThis->m_pImgCurrent = pThis->m_pImgUp;
 190     pThis->notifyLayout();
 191
 192     // Execute the command
 193     pThis->m_pCommand->execute();
 194 }
 195
 196
 197 void CtrlCheckbox::transDownOverDown( SkinObject *pCtrl )
 198 {
 199     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 200     pThis->m_pImgCurrent = pThis->m_pImgUp;
 201     pThis->notifyLayout();
 202 }
 203
 204
 205 void CtrlCheckbox::transDownDownOver( SkinObject *pCtrl )
 206 {
 207     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 208     pThis->m_pImgCurrent = pThis->m_pImgDown;
 209     pThis->notifyLayout();
 210 }
 211
 212
 213 void CtrlCheckbox::transUpUpOver( SkinObject *pCtrl )
 214 {
 215     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 216     pThis->m_pImgCurrent = pThis->m_pImgOver;
 217     pThis->notifyLayout();
 218 }
 219
 220
 221 void CtrlCheckbox::transUpOverUp( SkinObject *pCtrl )
 222 {
 223     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 224     pThis->m_pImgCurrent = pThis->m_pImgUp;
 225     pThis->notifyLayout();
 226 }
 227
 228
 229 void CtrlCheckbox::transDownUp( SkinObject *pCtrl )
 230 {
 231     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 232     pThis->releaseMouse();
 233 }
 234
 235
 236 void CtrlCheckbox::transUpHidden( SkinObject *pCtrl )
 237 {
 238     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 239     pThis->m_pImgCurrent = NULL;
 240     pThis->notifyLayout();
 241 }
 242
 243
 244 void CtrlCheckbox::transHiddenUp( SkinObject *pCtrl )
 245 {
 246     CtrlCheckbox *pThis = (CtrlCheckbox*)pCtrl;
 247     pThis->m_pImgCurrent = pThis->m_pImgUp;
 248     pThis->notifyLayout();
 249 }
 250
 251
 252 void CtrlCheckbox::onVarBoolUpdate( VarBool &rVariable )
 253 {
 254     changeButton();
 255 }
 256
 257
 258 void CtrlCheckbox::changeButton()
 259 {
 260     // Are we using the first set of images or the second one?
 261     if( m_pImgUp == m_pImgUp1 )
 262     {
 263         m_pImgUp = m_pImgUp2;
 264         m_pImgOver = m_pImgOver2;
 265         m_pImgDown = m_pImgDown2;
 266         m_pTooltip = &m_tooltip2;
 267         m_pCommand = &m_rCommand2;
 268     }
 269     else
 270     {
 271         m_pImgUp = m_pImgUp1;
 272         m_pImgOver = m_pImgOver1;
 273         m_pImgDown = m_pImgDown1;
 274         m_pTooltip = &m_tooltip1;
 275         m_pCommand = &m_rCommand1;
 276     }
 277     // XXX: We assume that the checkbox is up
 278     m_pImgCurrent = m_pImgUp;
 279
 280     // Notify the window the tooltip has changed
 281     notifyTooltipChange();
 282     // Refresh
 283     notifyLayout();
 284 }
 285