C++ QColorGroup::shadow方法代码示例

void qDrawWinPanel( QPainter *p, int x, int y, int w, int h,
		    const QColorGroup &g, bool	sunken,
		    const QBrush *fill )
{
    if ( sunken )
	qDrawWinShades( p, x, y, w, h,
			g.dark(), g.light(), g.shadow(), g.midlight(), fill );
    else
	qDrawWinShades( p, x, y, w, h,
			g.light(), g.shadow(), g.midlight(), g.dark(), fill );
}

/*!
  Draws a press-sensitive shape.
*/
void QWindowsStyle::drawButton( QPainter *p, int x, int y, int w, int h,
				const QColorGroup &g, bool sunken, const QBrush* fill)
{
    if (sunken)
	drawWinShades( p, x, y, w, h,
		       g.shadow(), g.light(), g.dark(), g.button(),
		       fill?fill: &g.brush( QColorGroup::Button ) );
    else
	drawWinShades( p, x, y, w, h,
		       g.light(), g.shadow(), g.button(), g.dark(),
		       fill?fill:&g.brush( QColorGroup::Button ) );

}

/*!\reimp
 */
void QWindowsStyle::drawComboButton( QPainter *p, int x, int y, int w, int h,
				     const QColorGroup &g, bool sunken ,
				     bool /* editable */,
				     bool enabled,
				     const QBrush *fill )
{
    qDrawWinPanel(p, x, y, w, h, g, TRUE,
		   fill?fill:(enabled?&g.brush( QColorGroup::Base ):
				      &g.brush( QColorGroup::Background )));
    // the special reversed left shadow panel ( slightly different from drawPanel() )
    //qDrawWinPanel(p, w-2-16,2,16,h-4, g, sunken);
    // #### DO SUNKEN!
    if ( sunken )
	drawWinShades( p, x+w-2-16, y+2, 16, h-4,
		       g.dark(), g.dark(), g.button(), g.button(), 
		       fill ? fill : &g.brush( QColorGroup::Button ) );
    else
	drawWinShades( p, x+w-2-16, y+2, 16, h-4,
		       g.midlight(), g.shadow(), g.light(), g.dark(), 
		       fill ? fill : &g.brush( QColorGroup::Button ) );


    drawArrow( p, QStyle::DownArrow, sunken,
	       x+w-2-16+ 2, y+2+ 2, 16- 4, h-4- 4, g, enabled,
	       fill ? fill : &g.brush( QColorGroup::Button ) );

}

/*!\reimp
 */
void QWindowsStyle::drawSliderGroove( QPainter *p,
				      int x, int y, int w, int h,
				      const QColorGroup& g, QCOORD c,
				      Orientation orient )
{

    if ( orient == Horizontal ) {
	qDrawWinPanel( p, x, y + c - 2,  w, 4, g, TRUE );
	p->setPen( g.shadow() );
	p->drawLine( x+1, y + c - 1, x + w - 3, y + c - 1 );
    } else {
	qDrawWinPanel( p, x + c - 2, y, 4, h, g, TRUE );
	p->setPen( g.shadow() );
	p->drawLine( x + c - 1, y + 1, x + c - 1, y + h - 3 );
    }

}

/*!\reimp
 */
void
QWindowsStyle::drawPushButton( QPushButton* btn, QPainter *p)
{
#ifndef QT_NO_PUSHBUTTON
    QColorGroup g = btn->colorGroup();
    int x1, y1, x2, y2;

    btn->rect().coords( &x1, &y1, &x2, &y2 );	// get coordinates

    p->setPen( g.foreground() );
    p->setBrush( QBrush(g.button(),NoBrush) );

    int diw = buttonDefaultIndicatorWidth();
    if ( btn->isDefault() || btn->autoDefault() ) {
	if ( btn->isDefault() ) {
	    p->setPen( g.shadow() );
	    p->drawRect( x1, y1, x2-x1+1, y2-y1+1 );
	}
	x1 += diw;
	y1 += diw;
	x2 -= diw;
	y2 -= diw;
    }

    bool clearButton = TRUE;
    if ( btn->isDown() ) {
	if ( btn->isDefault() ) {
	    p->setPen( g.dark() );
	    p->drawRect( x1, y1, x2-x1+1, y2-y1+1 );
	} else {
	    drawButton( p, x1, y1, x2-x1+1, y2-y1+1, g, TRUE,
			&g.brush( QColorGroup::Button ) );
	}
    } else {
	if ( btn->isToggleButton() && btn->isOn() && btn->isEnabled() ) {
	    QBrush fill(g.light(), Dense4Pattern );
	    drawButton( p, x1, y1, x2-x1+1, y2-y1+1, g, TRUE, &fill );
	    clearButton = FALSE;
	} else {
	    if ( !btn->isFlat() )
		drawButton( p, x1, y1, x2-x1+1, y2-y1+1, g, btn->isOn(),
			&g.brush( QColorGroup::Button ) );
	}
    }
    if ( clearButton ) {
	if (btn->isDown())
	    p->setBrushOrigin(p->brushOrigin() + QPoint(1,1));
	p->fillRect( x1+2, y1+2, x2-x1-3, y2-y1-3,
		     g.brush( QColorGroup::Button ) );
	if (btn->isDown())
	    p->setBrushOrigin(p->brushOrigin() - QPoint(1,1));
    }

    if ( p->brush().style() != NoBrush )
	p->setBrush( NoBrush );

#endif
}

void
QWindowsStyle::drawPanel( QPainter *p, int x, int y, int w, int h,
		const QColorGroup &g, bool sunken,
		   int lineWidth, const QBrush* fill)
{
    if ( lineWidth == 2 ) {
	if (sunken)
	    drawWinShades( p, x, y, w, h,
			   g.dark(), g.light(), g.shadow(), g.midlight(),
			   fill );
	else
	    drawWinShades( p, x, y, w, h,
			   g.light(), g.shadow(), g.midlight(), g.dark(),
			   fill );
    }
    else
	QStyle::drawPanel( p, x, y, w, h, g, sunken, lineWidth, fill );
}

    HTMLColors()
    {
        map["black"] = "#000000";
        map["green"] = "#008000";
        map["silver"] = "#c0c0c0";
        map["lime"] = "#00ff00";
        map["gray"] = "#808080";
        map["olive"] = "#808000";
        map["white"] = "#ffffff";
        map["yellow"] = "#ffff00";
        map["maroon"] = "#800000";
        map["navy"] = "#000080";
        map["red"] = "#ff0000";
        map["blue"] = "#0000ff";
        map["purple"] = "#800080";
        map["teal"] = "#008080";
        map["fuchsia"] = "#ff00ff";
        map["aqua"] = "#00ffff";
	map["crimson"] = "#dc143c";
	map["indigo"] = "#4b0082";
#ifdef __BEOS__
	printf( "Warning: HTMLColors::HTMLColors() not initiating all colors\n" );
#else	
        // ### react to style changes
        // see http://www.richinstyle.com for details
        QColorGroup cg = kapp->palette().active();
        map["activeborder"] = cg.light(); // bordercolor of an active window
        map["activecaption"] = cg.text(); // caption color of an active window
        map["appworkspace"] = cg.background(); // background color of an MDI interface
        map["highlight"] = cg.highlight();
        map["highlighttext"] = cg.highlightedText();
        cg = kapp->palette().inactive();
        map["background"] = cg.background(); // desktop background color
        map["buttonface"] = cg.button(); // Button background color
        map["buttonhighlight"] =  cg.light();
        map["buttonshadow"] = cg.shadow();
        map["buttontext"] = cg.buttonText();
        map["captiontext"] = cg.text();
        map["infobackground"] = QToolTip::palette().inactive().background();
        map["menu"] = cg.background();
        map["menutext"] = cg.foreground();
        map["scrollbar"] = cg.background();
        map["threeddarkshadow"] = cg.dark();
        map["threedface"] = cg.button();
        map["threedhighlight"] = cg.light();
        map["threedlightshadow"] = cg.midlight();
        map["window"] = cg.background();
        map["windowframe"] = cg.background();
        map["text"] = cg.text();
        cg = kapp->palette().disabled();
        map["inactiveborder"] = cg.background();
        map["inactivecaption"] = cg.background();
        map["inactivecaptiontext"] = cg.text();
        map["graytext"] = cg.text();
#endif	
    };

void QWindowsStyle::drawExclusiveIndicator( QPainter* p,
				   int x, int y, int w, int h, const QColorGroup &g,
				   bool on, bool down, bool enabled )
{

    static const QCOORD pts1[] = {		// dark lines
	1,9, 1,8, 0,7, 0,4, 1,3, 1,2, 2,1, 3,1, 4,0, 7,0, 8,1, 9,1 };
    static const QCOORD pts2[] = {		// black lines
	2,8, 1,7, 1,4, 2,3, 2,2, 3,2, 4,1, 7,1, 8,2, 9,2 };
    static const QCOORD pts3[] = {		// background lines
	2,9, 3,9, 4,10, 7,10, 8,9, 9,9, 9,8, 10,7, 10,4, 9,3 };
    static const QCOORD pts4[] = {		// white lines
	2,10, 3,10, 4,11, 7,11, 8,10, 9,10, 10,9, 10,8, 11,7,
	11,4, 10,3, 10,2 };
    static const QCOORD pts5[] = {		// inner fill
	4,2, 7,2, 9,4, 9,7, 7,9, 4,9, 2,7, 2,4 };
    p->eraseRect( x, y, w, h );
    QPointArray a( QCOORDARRLEN(pts1), pts1 );
    a.translate( x, y );
    p->setPen( g.dark() );
    p->drawPolyline( a );
    a.setPoints( QCOORDARRLEN(pts2), pts2 );
    a.translate( x, y );
    p->setPen( g.shadow() );
    p->drawPolyline( a );
    a.setPoints( QCOORDARRLEN(pts3), pts3 );
    a.translate( x, y );
    p->setPen( g.midlight() );
    p->drawPolyline( a );
    a.setPoints( QCOORDARRLEN(pts4), pts4 );
    a.translate( x, y );
    p->setPen( g.light() );
    p->drawPolyline( a );
    a.setPoints( QCOORDARRLEN(pts5), pts5 );
    a.translate( x, y );
    QColor fillColor = ( down || !enabled ) ? g.button() : g.base();
    p->setPen( fillColor );
    p->setBrush( fillColor  ) ;
    p->drawPolygon( a );
    if ( on ) {
	p->setPen( NoPen );
	p->setBrush( g.text() );
	p->drawRect( x+5, y+4, 2, 4 );
	p->drawRect( x+4, y+5, 4, 2 );
    }

}

void qDrawShadePanel( QPainter *p, int x, int y, int w, int h,
		      const QColorGroup &g, bool sunken,
		      int lineWidth, const QBrush *fill )
{
    if ( w == 0 || h == 0 )
	return;
    if ( !( w > 0 && h > 0 && lineWidth >= 0 ) ) {
#if defined(QT_CHECK_RANGE)
    	qWarning( "qDrawShadePanel() Invalid parameters." );
#endif
    }
    QColor shade = g.dark();
    QColor light = g.light();
    if ( fill ) {
	if ( fill->color() == shade )
	    shade = g.shadow();
	if ( fill->color() == light )
	    light = g.midlight();
    }
    QPen oldPen = p->pen();			// save pen
    QPointArray a( 4*lineWidth );
    if ( sunken )
	p->setPen( shade );
    else
	p->setPen( light );
    int x1, y1, x2, y2;
    int i;
    int n = 0;
    x1 = x;
    y1 = y2 = y;
    x2 = x+w-2;
    for ( i=0; i<lineWidth; i++ ) {		// top shadow
	a.setPoint( n++, x1, y1++ );
	a.setPoint( n++, x2--, y2++ );
    }
    x2 = x1;
    y1 = y+h-2;
    for ( i=0; i<lineWidth; i++ ) {		// left shadow
	a.setPoint( n++, x1++, y1 );
	a.setPoint( n++, x2++, y2-- );
    }
    p->drawLineSegments( a );
    n = 0;
    if ( sunken )
	p->setPen( light );
    else
	p->setPen( shade );
    x1 = x;
    y1 = y2 = y+h-1;
    x2 = x+w-1;
    for ( i=0; i<lineWidth; i++ ) {		// bottom shadow
	a.setPoint( n++, x1++, y1-- );
	a.setPoint( n++, x2, y2-- );
    }
    x1 = x2;
    y1 = y;
    y2 = y+h-lineWidth-1;
    for ( i=0; i<lineWidth; i++ ) {		// right shadow
	a.setPoint( n++, x1--, y1++ );
	a.setPoint( n++, x2--, y2 );
    }
    p->drawLineSegments( a );
    if ( fill ) {				// fill with fill color
	QBrush oldBrush = p->brush();
	p->setPen( Qt::NoPen );
	p->setBrush( *fill );
	p->drawRect( x+lineWidth, y+lineWidth, w-lineWidth*2, h-lineWidth*2 );
	p->setBrush( oldBrush );
    }
    p->setPen( oldPen );			// restore pen
}

void FreshStyle::drawScrollBarControls( QPainter* p, const QScrollBar* sb, int sliderStart, uint controls, uint activeControl )
{
#define ADD_LINE_ACTIVE ( activeControl == AddLine )
#define SUB_LINE_ACTIVE ( activeControl == SubLine )
    QColorGroup g  = sb->colorGroup();

    int sliderMin, sliderMax, sliderLength, buttonDim;
    scrollBarMetrics( sb, sliderMin, sliderMax, sliderLength, buttonDim );

    if ( controls == (AddLine | SubLine | AddPage | SubPage | Slider | First | Last ) )
	p->fillRect( 0, 0, sb->width(), sb->height(), g.brush( QColorGroup::Mid ));

    if (sliderStart > sliderMax) { // sanity check
	sliderStart = sliderMax;
    }

    int dimB = buttonDim;
    QRect addB;
    QRect subB;
    QRect addPageR;
    QRect subPageR;
    QRect sliderR;
    int addX, addY, subX, subY;
    int length = HORIZONTAL ? sb->width()  : sb->height();
    int extent = HORIZONTAL ? sb->height() : sb->width();

    if ( HORIZONTAL ) {
	subY = addY = ( extent - dimB ) / 2;
	subX = length - dimB - dimB;
	addX = length - dimB;
    } else {
	subX = addX = ( extent - dimB ) / 2;
	subY = length - dimB - dimB;
	addY = length - dimB;
    }

    int sliderEnd = sliderStart + sliderLength;
    int sliderW = extent;
    if ( HORIZONTAL ) {
	subB.setRect( subX,subY+1,dimB,dimB-1 );
	addB.setRect( addX,addY+1,dimB,dimB-1 );

	subPageR.setRect( 0, 0,
			  sliderStart+1, sliderW );
	addPageR.setRect( sliderEnd-1, 0, subX - sliderEnd+1, sliderW );
	sliderR .setRect( sliderStart, 1, sliderLength, sliderW-1 );

    } else {
	subB.setRect( subX+1,subY,dimB-1,dimB );
	addB.setRect( addX+1,addY,dimB-1,dimB );

	subPageR.setRect( 0, 0, sliderW,
			  sliderStart+1 );
	addPageR.setRect( 0, sliderEnd-1, sliderW, subY - sliderEnd+1 );
	sliderR .setRect( 1, sliderStart, sliderW-1, sliderLength );
    }

    bool maxedOut = (sb->maxValue() == sb->minValue());
    if ( controls & AddLine ) {
	drawBevelButton( p, addB.x(), addB.y(),
			 addB.width(), addB.height(), g,
			 ADD_LINE_ACTIVE);
	p->setPen(g.shadow());
	drawArrow( p, VERTICAL ? DownArrow : RightArrow,
		   FALSE, addB.x()+2, addB.y()+2,
		   addB.width()-4, addB.height()-4, g, !maxedOut,
				     &g.brush( QColorGroup::Button ));
    }
    if ( controls & SubLine ) {
	drawBevelButton( p, subB.x(), subB.y(),
			 subB.width(), subB.height(), g,
			 SUB_LINE_ACTIVE );
	p->setPen(g.shadow());
	drawArrow( p, VERTICAL ? UpArrow : LeftArrow,
		    FALSE, subB.x()+2, subB.y()+2,
		   subB.width()-4, subB.height()-4, g, !maxedOut,
				     &g.brush( QColorGroup::Button ));
    }


    if ( controls & SubPage )
	p->fillRect( subPageR.x(), subPageR.y(), subPageR.width(),
		    subPageR.height(), g.brush( QColorGroup::Mid ));
    if ( controls & AddPage )
	p->fillRect( addPageR.x(), addPageR.y(), addPageR.width(),
		     addPageR.height(), g.brush( QColorGroup::Mid ));
    if ( controls & Slider ) {
	QPoint bo = p->brushOrigin();
	p->setBrushOrigin(sliderR.topLeft());
	drawBevelButton( p, sliderR.x(), sliderR.y(),
			 sliderR.width(), sliderR.height(), g,
			 FALSE, &g.brush( QColorGroup::Button ) );
	p->setBrushOrigin(bo);
	drawRiffles( p, sliderR.x(), sliderR.y(),
		     sliderR.width(), sliderR.height(), g, HORIZONTAL );
    }

    // ### perhaps this should not be able to accept focus if maxedOut?
    if ( sb->hasFocus() && (controls & Slider) )
	p->drawWinFocusRect( sliderR.x()+2, sliderR.y()+2,
//.........这里部分代码省略.........

/*!\reimp
 */
void QWindowsStyle::drawSlider( QPainter *p,
			     int x, int y, int w, int h,
			     const QColorGroup &g,
			     Orientation orient, bool tickAbove, bool tickBelow )
{
#ifndef QT_NO_SLIDER    
    // 4444440
    // 4333310
    // 4322210
    // 4322210
    // 4322210
    // 4322210
    // *43210*
    // **410**
    // ***0***



    const QColor c0 = g.shadow();
    const QColor c1 = g.dark();
    //    const QColor c2 = g.button();
    const QColor c3 = g.midlight();
    const QColor c4 = g.light();


    int x1 = x;
    int x2 = x+w-1;
    int y1 = y;
    int y2 = y+h-1;

    p->fillRect( x, y, w, h, g.brush( QColorGroup::Background ) );

    if ( tickAbove && tickBelow || !tickAbove && !tickBelow ) {
	qDrawWinButton( p, QRect(x,y,w,h), g, FALSE,
			&g.brush( QColorGroup::Button ) );
	return;
    }


    enum  { SlUp, SlDown, SlLeft, SlRight } dir;

    if ( orient == Horizontal )
	if ( tickAbove )
	    dir = SlUp;
	else
	    dir = SlDown;
    else
	if ( tickAbove )
	    dir = SlLeft;
	else
	    dir = SlRight;

    QPointArray a;

    int d = 0;
    switch ( dir ) {
    case SlUp:
	y1 = y1 + w/2;
	d =  (w + 1) / 2 - 1;
	a.setPoints(5, x1,y1, x1,y2, x2,y2, x2,y1, x1+d,y1-d );
	break;
    case SlDown:
	y2 = y2 - w/2;
	d =  (w + 1) / 2 - 1;
	a.setPoints(5, x1,y1, x1,y2, x1+d,y2+d, x2,y2, x2,y1 );
	break;
    case SlLeft:
	d =  (h + 1) / 2 - 1;
	x1 = x1 + h/2;
	a.setPoints(5, x1,y1, x1-d,y1+d, x1,y2, x2,y2, x2,y1);
	break;
    case SlRight:
	d =  (h + 1) / 2 - 1;
	x2 = x2 - h/2;
	a.setPoints(5, x1,y1, x1,y2, x2,y2, x2+d,y1+d, x2,y1 );
	break;
    }


    QBrush oldBrush = p->brush();
    p->setBrush( g.brush( QColorGroup::Button ) );
    p->setPen( NoPen );
    p->drawRect( x1, y1, x2-x1+1, y2-y1+1 );
    p->drawPolygon( a );
    p->setBrush( oldBrush );



    if ( dir != SlUp ) {
	p->setPen( c4 );
	p->drawLine( x1, y1, x2, y1 );
	p->setPen( c3 );
	p->drawLine( x1, y1+1, x2, y1+1 );
    }
    if ( dir != SlLeft ) {
	p->setPen( c3 );
	p->drawLine( x1+1, y1+1, x1+1, y2 );
	p->setPen( c4 );
//.........这里部分代码省略.........

/*!\reimp
 */
void QWindowsStyle::drawScrollBarControls( QPainter* p, const QScrollBar* sb, int sliderStart, uint controls, uint activeControl )
{
#ifndef QT_NO_SCROLLBAR
#define ADD_LINE_ACTIVE ( activeControl == AddLine )
#define SUB_LINE_ACTIVE ( activeControl == SubLine )
    QColorGroup g  = sb->colorGroup();

    int sliderMin, sliderMax, sliderLength, buttonDim;
    scrollBarMetrics( sb, sliderMin, sliderMax, sliderLength, buttonDim );

    if (sliderStart > sliderMax) { // sanity check
	sliderStart = sliderMax;
    }

    int b = 0;
    int dimB = buttonDim;
    QRect addB;
    QRect subB;
    QRect addPageR;
    QRect subPageR;
    QRect sliderR;
    int addX, addY, subX, subY;
    int length = HORIZONTAL ? sb->width()  : sb->height();
    int extent = HORIZONTAL ? sb->height() : sb->width();

    if ( HORIZONTAL ) {
	subY = addY = ( extent - dimB ) / 2;
	subX = b;
	addX = length - dimB - b;
    } else {
	subX = addX = ( extent - dimB ) / 2;
	subY = b;
	addY = length - dimB - b;
    }

    subB.setRect( subX,subY,dimB,dimB );
    addB.setRect( addX,addY,dimB,dimB );

    int sliderEnd = sliderStart + sliderLength;
    int sliderW = extent - b*2;
    if ( HORIZONTAL ) {
	subPageR.setRect( subB.right() + 1, b,
			  sliderStart - subB.right() - 1 , sliderW );
	addPageR.setRect( sliderEnd, b, addX - sliderEnd, sliderW );
	sliderR .setRect( sliderStart, b, sliderLength, sliderW );
    } else {
	subPageR.setRect( b, subB.bottom() + 1, sliderW,
			  sliderStart - subB.bottom() - 1 );
	addPageR.setRect( b, sliderEnd, sliderW, addY - sliderEnd );
	sliderR .setRect( b, sliderStart, sliderW, sliderLength );
    }

    bool maxedOut = (sb->maxValue() == sb->minValue());
    if ( controls & AddLine ) {
	qDrawWinPanel( p, addB.x(), addB.y(),
		       addB.width(), addB.height(), g,
		       ADD_LINE_ACTIVE, &g.brush( QColorGroup::Button ) );
	drawArrow( p, VERTICAL ? DownArrow : RightArrow,
		   ADD_LINE_ACTIVE, addB.x()+2, addB.y()+2,
		   addB.width()-4, addB.height()-4, g, !maxedOut );
    }
    if ( controls & SubLine ) {
	qDrawWinPanel( p, subB.x(), subB.y(),
		       subB.width(), subB.height(), g,
		       SUB_LINE_ACTIVE, &g.brush( QColorGroup::Button )  );
	drawArrow( p, VERTICAL ? UpArrow : LeftArrow,
		   SUB_LINE_ACTIVE, subB.x()+2, subB.y()+2,
		   subB.width()-4, subB.height()-4, g, !maxedOut );
    }
    QBrush br =
	g.brush( QColorGroup::Light ).pixmap() ?
		 g.brush( QColorGroup::Light )     :
		 QBrush(g.light(), Dense4Pattern);
    p->setBrush( br );
    p->setPen( NoPen );
    p->setBackgroundMode( OpaqueMode );
    if ( maxedOut ) {
	p->drawRect( sliderR );
    } else {
	if ( (controls & SubPage && SubPage == activeControl) ||
	     (controls  & AddPage && AddPage == activeControl) ) {
	    QBrush b = p->brush();
	    QColor c = p->backgroundColor();
// 	    p->fillRect( AddPage == activeControl? addPageR : subPageR, g.fillDark() );
	    p->setBackgroundColor( g.dark() );
	    p->setBrush( QBrush(g.shadow(), Dense4Pattern) );
	    p->drawRect( AddPage == activeControl? addPageR : subPageR );
	    p->setBackgroundColor( c );
	    p->setBrush( b );
	}
	if ( controls & SubPage && SubPage != activeControl)
	    p->drawRect( subPageR );
	if ( controls & AddPage && AddPage != activeControl)
	    p->drawRect( addPageR );
	if ( controls & Slider ) {
	    if ( !maxedOut ) {
		QPoint bo = p->brushOrigin();
		if ( !sb->testWState(WState_GlobalBrushOrigin) )
//.........这里部分代码省略.........

/*!\reimp
 */
void QPlatinumStyle::drawComplexControl( ComplexControl control,
					 QPainter *p,
					 const QWidget *widget,
					 const QRect &r,
					 const QColorGroup &cg,
					 SFlags how,
					 SCFlags sub,
					 SCFlags subActive,
					 const QStyleOption& opt ) const
{
    switch ( control ) {
    case CC_ComboBox:
	{
	    int x,
		y,
		w,
		h;
	    r.rect( &x, &y, &w, &h );
	    p->fillRect( x + 2,  y + 2, w - 4,
			 h - 4, cg.brush(QColorGroup::Button) );
	    // the bright side
	    p->setPen(cg.shadow());
	    p->drawLine( x, y, x + w - 1, y );
	    p->drawLine( x, y, x, y + h - 1 );

	    p->setPen( cg.light() );
	    p->drawLine( x + 1, y + 1,
			 x + w - 2, y + 1 );
	    p->drawLine( x + 1, y + 1,
			 x + 1, y + h - 2 );

	    // the dark side!


	    p->setPen( cg.mid() );
	    p->drawLine( x + 2, y + h - 2,
			 x + w - 2, y + h - 2 );
	    p->drawLine( x + w - 2, y + 2,
			 x + w - 2, y + h - 2 );

	    p->setPen (cg.shadow() );
	    p->drawLine( x + 1, y + h - 1,
			 x + w - 1, y + h - 1 );
	    p->drawLine( x + w - 1, y,
			 x + w - 1, y + h - 1 );

	    // top left corner:
	    p->setPen( cg.background() );
	    p->drawPoint( x, y );
	    p->drawPoint( x + 1, y );
	    p->drawPoint( x, y + 1 );
	    p->setPen( cg.shadow() );
	    p->drawPoint( x + 1, y + 1 );
	    p->setPen( white );
	    p->drawPoint( x + 3, y + 3 );
	    // bottom left corner:
	    p->setPen( cg.background() );
	    p->drawPoint( x, y + h - 1 );
	    p->drawPoint( x + 1, y + h - 1 );
	    p->drawPoint( x, y + h - 2 );
	    p->setPen( cg.shadow() );
	    p->drawPoint( x + 1, y + h - 2 );
	    // top right corner:
	    p->setPen( cg.background() );
	    p->drawPoint( x + w - 1, y );
	    p->drawPoint( x + w - 2, y );
	    p->drawPoint( x + w - 1, y + 1 );
	    p->setPen( cg.shadow() );
	    p->drawPoint( x + w - 2, y + 1 );
	    // bottom right corner:
	    p->setPen( cg.background() );
	    p->drawPoint( x + w - 1, y + h - 1 );
	    p->drawPoint( x + w - 2, y + h - 1 );
	    p->drawPoint( x + w - 1, y + h - 2 );
	    p->setPen( cg.shadow() );
	    p->drawPoint( x + w - 2, y + h - 2 );
	    p->setPen( cg.dark() );
	    p->drawPoint( x + w - 3, y + h - 3 );

	    if ( sub & SC_ComboBoxArrow ) {
		QRect rTmp = querySubControlMetrics( CC_ComboBox, widget,
						     SC_ComboBoxArrow, opt );
		int xx = rTmp.x(),
		    yy = rTmp.y(),
		    ww = rTmp.width(),
		    hh = rTmp.height();
		// the bright side

		p->setPen( cg.mid() );
		p->drawLine( xx, yy+2, xx, yy+hh-3 );

		p->setPen( cg.button() );
		p->drawLine( xx+1, yy+1, xx+ww-2, yy+1 );
		p->drawLine( xx+1, yy+1, xx+1, yy+hh-2 );

		p->setPen( cg.light() );
		p->drawLine( xx+2, yy+2, xx+2, yy+hh-2 );
		p->drawLine( xx+2, yy+2, xx+ww-2, yy+2 );
//.........这里部分代码省略.........

//.........这里部分代码省略.........


		    // corners
		    p->setPen( mixedColor(cg.dark().dark().dark(),
					  cg.dark()) );
		    p->drawPoint( x, y + h - 1 );
		    p->drawPoint( x + w - 1, y );

		    p->setPen( mixedColor(cg.dark().dark(), cg.midlight()) );
		    p->drawPoint( x + 1, y + h - 2 );
		    p->drawPoint( x + w - 2, y + 1 );

		    p->setPen( mixedColor(cg.mid().dark(), cg.button() ) );
		    p->drawPoint( x + 2, y + h - 3 );
		    p->drawPoint( x + w - 3, y + 2 );
		}
	    }
	    p->setPen( oldPen );
	    break;
	}
    case PE_ButtonCommand:
	{
	    QPen oldPen = p->pen();
	    int x,
		y,
		w,
		h;
	    r.rect( &x, &y, &w, &h);

	    if ( !(flags & (Style_Down | Style_On)) ) {
		p->fillRect( x+3, y+3, w-6, h-6,
			     cg.brush( QColorGroup::Button ));
		// the bright side
		p->setPen( cg.shadow() );
		p->drawLine( x, y, x+w-1, y );
		p->drawLine( x, y, x, y + h - 1 );

		p->setPen( cg.button() );
		p->drawLine( x + 1, y + 1, x + w - 2, y + 1 );
		p->drawLine( x + 1, y + 1, x + 1, y + h - 2 );

		p->setPen( cg.light() );
		p->drawLine( x + 2, y + 2, x + 2, y + h - 2 );
		p->drawLine( x + 2, y + 2, x + w - 2, y + 2 );


		// the dark side!

		p->setPen( cg.mid() );
		p->drawLine( x + 3, y + h - 3 ,x + w - 3, y + h - 3 );
		p->drawLine( x + w - 3, y + 3, x + w - 3, y + h - 3 );

		p->setPen( cg.dark() );
		p->drawLine( x + 2, y + h - 2, x + w - 2, y + h - 2 );
		p->drawLine( x + w - 2, y + 2, x + w - 2, y + h - 2 );

		p->setPen( cg.shadow() );
		p->drawLine( x + 1, y + h - 1, x + w - 1, y + h - 1 );
		p->drawLine( x + w - 1, y, x + w - 1, y + h - 1 );


		// top left corner:
		p->setPen( cg.background() );
		p->drawPoint( x, y );
		p->drawPoint( x + 1, y );
		p->drawPoint( x, y+1 );