/*****************************************************************************
* ctrl_slider.cpp
*****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: ctrl_slider.cpp,v 1.1 2004/01/03 23:31:33 asmax Exp $
+ * Copyright (C) 2003 the VideoLAN team
+ * $Id$
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
* Olivier Teulière <ipkiss@via.ecp.fr>
#include "../events/evt_mouse.hpp"
#include "../events/evt_scroll.hpp"
#include "../src/generic_bitmap.hpp"
-#include "../src/generic_window.hpp"
+#include "../src/top_window.hpp"
#include "../src/os_factory.hpp"
#include "../src/os_graphics.hpp"
#include "../utils/position.hpp"
#define RANGE 40
-#define SCROLL_STEP 0.05
+#define SCROLL_STEP 0.05f
CtrlSliderCursor::CtrlSliderCursor( intf_thread_t *pIntf,
VarBool *pVisible,
const UString &rTooltip,
const UString &rHelp ):
- CtrlGeneric( pIntf, rHelp ), m_fsm( pIntf ), m_rVariable( rVariable ),
- m_pVisible( pVisible ), m_tooltip( rTooltip ),
+ CtrlGeneric( pIntf, rHelp, pVisible ), m_fsm( pIntf ),
+ m_rVariable( rVariable ), m_tooltip( rTooltip ),
m_width( rCurve.getWidth() ), m_height( rCurve.getHeight() ),
- m_cmdOverDown( this, &transOverDown ),
- m_cmdDownOver( this, &transDownOver ), m_cmdOverUp( this, &transOverUp ),
- m_cmdUpOver( this, &transUpOver ), m_cmdMove( this, &transMove ),
- m_cmdScroll( this, &transScroll ),
+ m_cmdOverDown( this ), m_cmdDownOver( this ),
+ m_cmdOverUp( this ), m_cmdUpOver( this ),
+ m_cmdMove( this ), m_cmdScroll( this ),
m_lastPercentage( 0 ), m_xOffset( 0 ), m_yOffset( 0 ),
- m_pEvt( NULL ), m_curve( rCurve )
+ m_pEvt( NULL ), m_rCurve( rCurve )
{
// Build the images of the cursor
OSFactory *pOsFactory = OSFactory::instance( getIntf() );
// Observe the position variable
m_rVariable.addObserver( this );
- // Observe the visibility variable
- if( m_pVisible )
- {
- m_pVisible->addObserver( this );
- }
-
// Initial position of the cursor
m_lastPercentage = m_rVariable.get();
}
CtrlSliderCursor::~CtrlSliderCursor()
{
m_rVariable.delObserver( this );
- if( m_pVisible )
- {
- m_pVisible->delObserver( this );
- }
SKINS_DELETE( m_pImgUp );
SKINS_DELETE( m_pImgDown );
SKINS_DELETE( m_pImgOver );
{
// Compute the position of the cursor
int xPos, yPos;
- m_curve.getPoint( m_rVariable.get(), xPos, yPos );
+ m_rCurve.getPoint( m_rVariable.get(), xPos, yPos );
// Compute the resize factors
- double factorX = 0, factorY = 0;
+ float factorX, factorY;
getResizeFactors( factorX, factorY );
xPos = (int)(xPos * factorX);
yPos = (int)(yPos * factorY);
void CtrlSliderCursor::draw( OSGraphics &rImage, int xDest, int yDest )
{
- if( m_pImg && (!m_pVisible || m_pVisible->get()) )
+ if( m_pImg )
{
// Compute the position of the cursor
int xPos, yPos;
- m_curve.getPoint( m_rVariable.get(), xPos, yPos );
+ m_rCurve.getPoint( m_rVariable.get(), xPos, yPos );
// Compute the resize factors
- double factorX = 0, factorY = 0;
+ float factorX, factorY;
getResizeFactors( factorX, factorY );
xPos = (int)(xPos * factorX);
yPos = (int)(yPos * factorY);
void CtrlSliderCursor::onUpdate( Subject<VarPercent> &rVariable )
{
// The position has changed
- notifyLayout();
-}
-
-
-void CtrlSliderCursor::onUpdate( Subject<VarBool> &rVariable )
-{
- // The visibility variable has changed
- notifyLayout();
+ if( m_pImg )
+ {
+ notifyLayout( m_rCurve.getWidth() + m_pImg->getWidth(),
+ m_rCurve.getHeight() + m_pImg->getHeight(),
+ - m_pImg->getWidth() / 2,
+ - m_pImg->getHeight() / 2 );
+ }
+ else
+ notifyLayout();
}
-void CtrlSliderCursor::transOverDown( SkinObject *pCtrl )
+void CtrlSliderCursor::CmdOverDown::execute()
{
- CtrlSliderCursor *pThis = (CtrlSliderCursor*)pCtrl;
- EvtMouse *pEvtMouse = (EvtMouse*)pThis->m_pEvt;
+ EvtMouse *pEvtMouse = (EvtMouse*)m_pParent->m_pEvt;
// Compute the resize factors
- double factorX = 0, factorY = 0;
- pThis->getResizeFactors( factorX, factorY );
+ float factorX, factorY;
+ m_pParent->getResizeFactors( factorX, factorY );
+
+ // Get the position of the control
+ const Position *pPos = m_pParent->getPosition();
// Compute the offset
int tempX, tempY;
- pThis->m_curve.getPoint( pThis->m_rVariable.get(), tempX, tempY );
- pThis->m_xOffset = pEvtMouse->getXPos() - (int)(tempX * factorX);
- pThis->m_yOffset = pEvtMouse->getYPos() - (int)(tempY * factorY);
-
- pThis->captureMouse();
- pThis->m_pImg = pThis->m_pImgDown;
- pThis->notifyLayout();
+ m_pParent->m_rCurve.getPoint( m_pParent->m_rVariable.get(), tempX, tempY );
+ m_pParent->m_xOffset = pEvtMouse->getXPos() - pPos->getLeft()
+ - (int)(tempX * factorX);
+ m_pParent->m_yOffset = pEvtMouse->getYPos() - pPos->getTop()
+ - (int)(tempY * factorY);
+
+ m_pParent->captureMouse();
+ m_pParent->m_pImg = m_pParent->m_pImgDown;
+ if( m_pParent->m_pImg )
+ {
+ m_pParent->notifyLayout(
+ m_pParent->m_rCurve.getWidth() + m_pParent->m_pImg->getWidth(),
+ m_pParent->m_rCurve.getHeight() + m_pParent->m_pImg->getHeight(),
+ - m_pParent->m_pImg->getWidth() / 2,
+ - m_pParent->m_pImg->getHeight() / 2 );
+ }
+ else
+ m_pParent->notifyLayout();
}
-void CtrlSliderCursor::transDownOver( SkinObject *pCtrl )
+void CtrlSliderCursor::CmdDownOver::execute()
{
- CtrlSliderCursor *pThis = (CtrlSliderCursor*)pCtrl;
-
// Save the position
- pThis->m_lastPercentage = pThis->m_rVariable.get();
+ m_pParent->m_lastPercentage = m_pParent->m_rVariable.get();
- pThis->releaseMouse();
- pThis->m_pImg = pThis->m_pImgUp;
- pThis->notifyLayout();
+ m_pParent->releaseMouse();
+ m_pParent->m_pImg = m_pParent->m_pImgUp;
+ if( m_pParent->m_pImg )
+ {
+ m_pParent->notifyLayout(
+ m_pParent->m_rCurve.getWidth() + m_pParent->m_pImg->getWidth(),
+ m_pParent->m_rCurve.getHeight() + m_pParent->m_pImg->getHeight(),
+ - m_pParent->m_pImg->getWidth() / 2,
+ - m_pParent->m_pImg->getHeight() / 2 );
+ }
+ else
+ m_pParent->notifyLayout();
}
-void CtrlSliderCursor::transUpOver( SkinObject *pCtrl )
+void CtrlSliderCursor::CmdUpOver::execute()
{
- CtrlSliderCursor *pThis = (CtrlSliderCursor*)pCtrl;
-
- pThis->m_pImg = pThis->m_pImgOver;
- pThis->notifyLayout();
+ m_pParent->m_pImg = m_pParent->m_pImgOver;
+ if( m_pParent->m_pImg )
+ {
+ m_pParent->notifyLayout(
+ m_pParent->m_rCurve.getWidth() + m_pParent->m_pImg->getWidth(),
+ m_pParent->m_rCurve.getHeight() + m_pParent->m_pImg->getHeight(),
+ - m_pParent->m_pImg->getWidth() / 2,
+ - m_pParent->m_pImg->getHeight() / 2 );
+ }
+ else
+ m_pParent->notifyLayout();
}
-void CtrlSliderCursor::transOverUp( SkinObject *pCtrl )
+void CtrlSliderCursor::CmdOverUp::execute()
{
- CtrlSliderCursor *pThis = (CtrlSliderCursor*)pCtrl;
-
- pThis->m_pImg = pThis->m_pImgUp;
- pThis->notifyLayout();
+ m_pParent->m_pImg = m_pParent->m_pImgUp;
+ if( m_pParent->m_pImg )
+ {
+ m_pParent->notifyLayout(
+ m_pParent->m_rCurve.getWidth() + m_pParent->m_pImg->getWidth(),
+ m_pParent->m_rCurve.getHeight() + m_pParent->m_pImg->getHeight(),
+ - m_pParent->m_pImg->getWidth() / 2,
+ - m_pParent->m_pImg->getHeight() / 2 );
+ }
+ else
+ m_pParent->notifyLayout();
}
-void CtrlSliderCursor::transMove( SkinObject *pCtrl )
+void CtrlSliderCursor::CmdMove::execute()
{
- CtrlSliderCursor *pThis = (CtrlSliderCursor*)pCtrl;
- EvtMouse *pEvtMouse = (EvtMouse*)pThis->m_pEvt;
+ EvtMouse *pEvtMouse = (EvtMouse*)m_pParent->m_pEvt;
// Get the position of the control
- const Position *pPos = pThis->getPosition();
+ const Position *pPos = m_pParent->getPosition();
// Compute the resize factors
- double factorX = 0, factorY = 0;
- pThis->getResizeFactors( factorX, factorY );
-
- // XXX: This could be optimized a little bit
- if( pThis->m_curve.getMinDist(
- (int)((pEvtMouse->getXPos() - pPos->getLeft()) / factorX),
- (int)((pEvtMouse->getYPos() - pPos->getTop()) / factorY) ) < RANGE )
+ float factorX, factorY;
+ m_pParent->getResizeFactors( factorX, factorY );
+
+ // Compute the relative position of the centre of the cursor
+ float relX = pEvtMouse->getXPos() - pPos->getLeft() - m_pParent->m_xOffset;
+ float relY = pEvtMouse->getYPos() - pPos->getTop() - m_pParent->m_yOffset;
+ // Ponderate with the resize factors
+ int relXPond = (int)(relX / factorX);
+ int relYPond = (int)(relY / factorY);
+
+ // Update the position
+ if( m_pParent->m_rCurve.getMinDist( relXPond, relYPond ) < RANGE )
{
- double percentage = pThis->m_curve.getNearestPercent(
- (int)((pEvtMouse->getXPos() - pThis->m_xOffset) / factorX),
- (int)((pEvtMouse->getYPos() - pThis->m_yOffset) / factorY) );
- pThis->m_rVariable.set( percentage );
+ float percentage = m_pParent->m_rCurve.getNearestPercent( relXPond,
+ relYPond );
+ m_pParent->m_rVariable.set( percentage );
}
else
{
- pThis->m_rVariable.set( pThis->m_lastPercentage );
+ m_pParent->m_rVariable.set( m_pParent->m_lastPercentage );
}
}
-void CtrlSliderCursor::transScroll( SkinObject *pCtrl )
+void CtrlSliderCursor::CmdScroll::execute()
{
- CtrlSliderCursor *pThis = (CtrlSliderCursor*)pCtrl;
- EvtScroll *pEvtScroll = (EvtScroll*)pThis->m_pEvt;
+ EvtScroll *pEvtScroll = (EvtScroll*)m_pParent->m_pEvt;
int direction = pEvtScroll->getDirection();
- double percentage = pThis->m_rVariable.get();
+ float percentage = m_pParent->m_rVariable.get();
if( direction == EvtScroll::kUp )
{
percentage += SCROLL_STEP;
percentage -= SCROLL_STEP;
}
- pThis->m_rVariable.set( percentage );
+ m_pParent->m_rVariable.set( percentage );
}
-void CtrlSliderCursor::getResizeFactors( double &rFactorX,
- double &rFactorY ) const
+void CtrlSliderCursor::getResizeFactors( float &rFactorX,
+ float &rFactorY ) const
{
// Get the position of the control
const Position *pPos = getPosition();
// Compute the resize factors
if( m_width > 0 )
{
- rFactorX = (double)pPos->getWidth() / (double)m_width;
+ rFactorX = (float)pPos->getWidth() / (float)m_width;
}
if( m_height > 0 )
{
- rFactorY = (double)pPos->getHeight() / (double)m_height;
+ rFactorY = (float)pPos->getHeight() / (float)m_height;
}
}
CtrlSliderBg::CtrlSliderBg( intf_thread_t *pIntf, CtrlSliderCursor &rCursor,
const Bezier &rCurve, VarPercent &rVariable,
- int thickness, VarBool *pVisible,
+ int thickness, GenericBitmap *pBackground,
+ int nbImages, VarBool *pVisible,
const UString &rHelp ):
- CtrlGeneric( pIntf, rHelp ), m_rCursor( rCursor ), m_rVariable( rVariable ),
- m_thickness( thickness ), m_pVisible( pVisible ), m_curve( rCurve ),
- m_width( rCurve.getWidth() ), m_height( rCurve.getHeight() )
+ CtrlGeneric( pIntf, rHelp, pVisible ), m_rCursor( rCursor ),
+ m_rVariable( rVariable ), m_thickness( thickness ), m_rCurve( rCurve ),
+ m_width( rCurve.getWidth() ), m_height( rCurve.getHeight() ),
+ m_pImgSeq( NULL ), m_nbImages( nbImages ), m_bgWidth( 0 ),
+ m_bgHeight( 0 ), m_position( 0 )
{
+ if( pBackground )
+ {
+ // Build the background image sequence
+ OSFactory *pOsFactory = OSFactory::instance( getIntf() );
+ m_pImgSeq = pOsFactory->createOSGraphics( pBackground->getWidth(),
+ pBackground->getHeight() );
+ m_pImgSeq->drawBitmap( *pBackground, 0, 0 );
+
+ m_bgWidth = pBackground->getWidth();
+ m_bgHeight = pBackground->getHeight() / nbImages;
+
+ // Observe the position variable
+ m_rVariable.addObserver( this );
+
+ // Initial position
+ m_position = (int)( m_rVariable.get() * (m_nbImages - 1) );
+ }
}
-bool CtrlSliderBg::mouseOver( int x, int y ) const
+CtrlSliderBg::~CtrlSliderBg()
{
- if( m_pVisible && !m_pVisible->get() )
- {
- return false;
- }
+ m_rVariable.delObserver( this );
+ delete m_pImgSeq;
+}
+
+bool CtrlSliderBg::mouseOver( int x, int y ) const
+{
// Compute the resize factors
- double factorX = 0, factorY = 1.0;
+ float factorX, factorY;
getResizeFactors( factorX, factorY );
- return (m_curve.getMinDist( (int)(x / factorY),
- (int)(y / factorY) ) < m_thickness );
+ return (m_rCurve.getMinDist( (int)(x / factorX),
+ (int)(y / factorY) ) < m_thickness );
+}
+
+
+void CtrlSliderBg::draw( OSGraphics &rImage, int xDest, int yDest )
+{
+ if( m_pImgSeq )
+ {
+ // Draw the background image
+ // XXX the "-3" is a hack for winamp skins...
+ rImage.drawGraphics( *m_pImgSeq, 0, m_position * m_bgHeight,
+ xDest, yDest, m_bgWidth, m_bgHeight - 3);
+ }
}
if( rEvent.getAsString().find( "mouse:left:down" ) != string::npos )
{
// Compute the resize factors
- double factorX = 0, factorY = 1.0;
+ float factorX, factorY;
getResizeFactors( factorX, factorY );
// Get the position of the control
EvtMouse &rEvtMouse = (EvtMouse&)rEvent;
int x = rEvtMouse.getXPos();
int y = rEvtMouse.getYPos();
- m_rVariable.set( m_curve.getNearestPercent(
+ m_rVariable.set( m_rCurve.getNearestPercent(
(int)((x - pPos->getLeft()) / factorX),
(int)((y - pPos->getTop()) / factorY) ) );
// Forward the clic to the cursor
EvtMouse evt( getIntf(), x, y, EvtMouse::kLeft, EvtMouse::kDown );
- GenericWindow *pWin = getWindow();
+ TopWindow *pWin = getWindow();
if( pWin )
{
EvtEnter evtEnter( getIntf() );
{
int direction = ((EvtScroll&)rEvent).getDirection();
- double percentage = m_rVariable.get();
+ float percentage = m_rVariable.get();
if( direction == EvtScroll::kUp )
{
percentage += SCROLL_STEP;
}
-void CtrlSliderBg::onUpdate( Subject<VarBool> &rVariable )
+void CtrlSliderBg::onUpdate( Subject<VarPercent> &rVariable )
{
- // The visibility variable has changed
- notifyLayout();
+ m_position = (int)( m_rVariable.get() * (m_nbImages - 1) );
+ notifyLayout( m_bgWidth, m_bgHeight );
}
-void CtrlSliderBg::getResizeFactors( double &rFactorX, double &rFactorY ) const
+void CtrlSliderBg::getResizeFactors( float &rFactorX, float &rFactorY ) const
{
// Get the position of the control
const Position *pPos = getPosition();
// Compute the resize factors
if( m_width > 0 )
{
- rFactorX = (double)pPos->getWidth() / (double)m_width;
+ rFactorX = (float)pPos->getWidth() / (float)m_width;
}
if( m_height > 0 )
{
- rFactorY = (double)pPos->getHeight() / (double)m_height;
+ rFactorY = (float)pPos->getHeight() / (float)m_height;
}
}