Extend style API further and clean up example themes

1 files changed, 141 insertions, 169 deletions

diff --git a/examples/themes/wood.cpp b/examples/themes/wood.cpp
index f5fa72a..085fdea 100644
--- a/examples/themes/wood.cpp
+++ b/examples/themes/wood.cpp
@@ -769,163 +769,146 @@ NorwegianWoodStyle::NorwegianWoodStyle() : QWindowsStyle()
 /*!
   Reimplementation from QStyle
  */
-void NorwegianWoodStyle::applicationPolish( QStyleControlElementData ceData, ControlElementFlags, void *ptr )
+void NorwegianWoodStyle::applicationPolish( QStyleControlElementData ceData, ControlElementFlags elementFlags, void *ptr )
 {
-	if (ceData.widgetObjectTypes.contains("QApplication")) {
-		QApplication *app = reinterpret_cast<QApplication*>(ptr);
-
-		oldPalette = app->palette();
-		
-		// we simply create a nice QColorGroup with a couple of fancy wood
-		// pixmaps here and apply to it all widgets
-		
-		QImage img(button_xpm);
-		QImage orig = img;
-		orig.detach();
-		QPixmap button;
-		button.convertFromImage(img);
-		
-		
-		int i;
-		for (i=0; i<img.numColors(); i++) {
-			QRgb rgb = img.color(i);
-			QColor c(rgb);
-			rgb = c.dark(120).rgb();
-			img.setColor(i,rgb);
-		}
-		QPixmap mid;
-		mid.convertFromImage(img);
-		
-		img = orig;
-		img.detach();
-		for (i=0; i<img.numColors(); i++) {
-			QRgb rgb = img.color(i);
-			QColor c(rgb);
-			rgb = c.light().rgb();
-			img.setColor(i,rgb);
-		}
-		QPixmap light;
-		light.convertFromImage(img);
-		
-		img = orig;
-		img.detach();
-		for (i=0; i<img.numColors(); i++) {
-			QRgb rgb = img.color(i);
-			QColor c(rgb);
-			rgb = c.dark(180).rgb();
-			img.setColor(i,rgb);
-		}
-		QPixmap dark;
-		dark.convertFromImage(img);
-		
-		
-		QImage bgimage(polish_xpm);
-		QPixmap background;
-		background.convertFromImage(bgimage);
-		
-		img = bgimage;
-		img.detach();
-		for (i=0; i<img.numColors(); i++) {
-			QRgb rgb = img.color(i);
-			QColor c(rgb);
-			rgb = c.dark(180).rgb();
-			img.setColor(i,rgb);
-		}
-		sunkenDark = new QPixmap;
-		sunkenDark->convertFromImage(img);
-		
-		
-		img = bgimage;
-		img.detach();
-		for (i=0; i<img.numColors(); i++) {
-			QRgb rgb = img.color(i);
-			QColor c(rgb);
-			rgb = c.light(130).rgb();
-			img.setColor(i,rgb);
-		}
-		sunkenLight= new QPixmap;
-		sunkenLight->convertFromImage(img);
-		
-		
-		
-		QPalette op(QColor(212,140,95));
-		// QPalette op(white);
-		QColorGroup active (op.active().foreground(),
-				QBrush(op.active().button(),button),
-				QBrush(op.active().light(), light),
-				QBrush(op.active().dark(), dark),
-				QBrush(op.active().mid(), mid),
-				op.active().text(),
-				Qt::white,
-				QColor(236,182,120),
-				QBrush(op.active().background(), background)
-				);
-		QColorGroup disabled (op.disabled().foreground(),
-				QBrush(op.disabled().button(),button),
-				QBrush(op.disabled().light(), light),
-				op.disabled().dark(),
-				QBrush(op.disabled().mid(), mid),
-				op.disabled().text(),
-				Qt::white,
-				QColor(236,182,120),
-				QBrush(op.disabled().background(), background)
-				);
-		
-		app->setPalette(QPalette(active, disabled, active), TRUE );
+	oldPalette = ceData.palette;
+	
+	// we simply create a nice QColorGroup with a couple of fancy wood
+	// pixmaps here and apply to it all widgets
+	
+	QImage img(button_xpm);
+	QImage orig = img;
+	orig.detach();
+	QPixmap button;
+	button.convertFromImage(img);
+	
+	
+	int i;
+	for (i=0; i<img.numColors(); i++) {
+		QRgb rgb = img.color(i);
+		QColor c(rgb);
+		rgb = c.dark(120).rgb();
+		img.setColor(i,rgb);
+	}
+	QPixmap mid;
+	mid.convertFromImage(img);
+	
+	img = orig;
+	img.detach();
+	for (i=0; i<img.numColors(); i++) {
+		QRgb rgb = img.color(i);
+		QColor c(rgb);
+		rgb = c.light().rgb();
+		img.setColor(i,rgb);
+	}
+	QPixmap light;
+	light.convertFromImage(img);
+	
+	img = orig;
+	img.detach();
+	for (i=0; i<img.numColors(); i++) {
+		QRgb rgb = img.color(i);
+		QColor c(rgb);
+		rgb = c.dark(180).rgb();
+		img.setColor(i,rgb);
 	}
+	QPixmap dark;
+	dark.convertFromImage(img);
+	
+	
+	QImage bgimage(polish_xpm);
+	QPixmap background;
+	background.convertFromImage(bgimage);
+	
+	img = bgimage;
+	img.detach();
+	for (i=0; i<img.numColors(); i++) {
+		QRgb rgb = img.color(i);
+		QColor c(rgb);
+		rgb = c.dark(180).rgb();
+		img.setColor(i,rgb);
+	}
+	sunkenDark = new QPixmap;
+	sunkenDark->convertFromImage(img);
+	
+	
+	img = bgimage;
+	img.detach();
+	for (i=0; i<img.numColors(); i++) {
+		QRgb rgb = img.color(i);
+		QColor c(rgb);
+		rgb = c.light(130).rgb();
+		img.setColor(i,rgb);
+	}
+	sunkenLight= new QPixmap;
+	sunkenLight->convertFromImage(img);
+	
+	
+	
+	QPalette op(QColor(212,140,95));
+	// QPalette op(white);
+	QColorGroup active (op.active().foreground(),
+			QBrush(op.active().button(),button),
+			QBrush(op.active().light(), light),
+			QBrush(op.active().dark(), dark),
+			QBrush(op.active().mid(), mid),
+			op.active().text(),
+			Qt::white,
+			QColor(236,182,120),
+			QBrush(op.active().background(), background)
+			);
+	QColorGroup disabled (op.disabled().foreground(),
+			QBrush(op.disabled().button(),button),
+			QBrush(op.disabled().light(), light),
+			op.disabled().dark(),
+			QBrush(op.disabled().mid(), mid),
+			op.disabled().text(),
+			Qt::white,
+			QColor(236,182,120),
+			QBrush(op.disabled().background(), background)
+			);
+	
+	applicationActionRequest(ceData, elementFlags, ptr, AAR_SetPalette, QStyleApplicationActionRequestData(QPalette(active, disabled, active), TRUE));
 }
 
-void NorwegianWoodStyle::applicationUnPolish( QStyleControlElementData ceData, ControlElementFlags, void *ptr )
+void NorwegianWoodStyle::applicationUnPolish( QStyleControlElementData ceData, ControlElementFlags elementFlags, void *ptr )
 {
-	if (ceData.widgetObjectTypes.contains("QApplication")) {
-		QApplication *app = reinterpret_cast<QApplication*>(ptr);
-
-		app->setPalette(oldPalette, TRUE);
-	}
+	applicationActionRequest(ceData, elementFlags, ptr, AAR_SetPalette, QStyleApplicationActionRequestData(oldPalette, TRUE));
 }
 
 /*!
   Reimplementation from QStyle
  */
-void NorwegianWoodStyle::polish( QStyleControlElementData ceData, ControlElementFlags, void *ptr )
+void NorwegianWoodStyle::polish( QStyleControlElementData ceData, ControlElementFlags elementFlags, void *ptr )
 {
-	if (ceData.widgetObjectTypes.contains("QWidget")) {
-		QWidget *w = reinterpret_cast<QWidget*>(ptr);
+	// the polish function sets some widgets to transparent mode and
+	// some to translate background mode in order to get the full
+	// benefit from the nice pixmaps in the color group.
 
-		// the polish function sets some widgets to transparent mode and
-		// some to translate background mode in order to get the full
-		// benefit from the nice pixmaps in the color group.
-		
-		if ( !w->isTopLevel() ) {
-			if ( w->inherits("QPushButton")
-			|| w->inherits("QToolButton")
-			|| w->inherits("QComboBox") ) {
-			w->setAutoMask( TRUE );
+	if ( !(elementFlags & CEF_IsTopLevel) ) {
+		if ( (ceData.widgetObjectTypes.contains("QPushButton")) || (ceData.widgetObjectTypes.contains("QToolButton")) || (ceData.widgetObjectTypes.contains("QComboBox")) ) {
+			widgetActionRequest(ceData, elementFlags, ptr, WAR_SetAutoMask);
 			return;
-			}
-			if ( w->backgroundPixmap() )
-			w->setBackgroundOrigin( QWidget::WindowOrigin );
+		}
+		if (!ceData.bgPixmap.isNull()) {
+			widgetActionRequest(ceData, elementFlags, ptr, WAR_SetBackgroundOrigin, QStyleWidgetActionRequestData(QWidget::WindowOrigin));
 		}
 	}
 }
 
-void NorwegianWoodStyle::unPolish( QStyleControlElementData ceData, ControlElementFlags, void *ptr )
+void NorwegianWoodStyle::unPolish( QStyleControlElementData ceData, ControlElementFlags elementFlags, void *ptr )
 {
-	if (ceData.widgetObjectTypes.contains("QWidget")) {
-		QWidget *w = reinterpret_cast<QWidget*>(ptr);
+	// the polish function sets some widgets to transparent mode and
+	// some to translate background mode in order to get the full
+	// benefit from the nice pixmaps in the color group.
 
-		// the polish function sets some widgets to transparent mode and
-		// some to translate background mode in order to get the full
-		// benefit from the nice pixmaps in the color group.
-		if ( !w->isTopLevel() ) {
-			if ( w->inherits("QPushButton")
-			|| w->inherits("QToolButton")
-			|| w->inherits("QComboBox") ) {
-			w->setAutoMask( FALSE );
+	if ( !(elementFlags & CEF_IsTopLevel) ) {
+		if ( (ceData.widgetObjectTypes.contains("QPushButton")) || (ceData.widgetObjectTypes.contains("QToolButton")) || (ceData.widgetObjectTypes.contains("QComboBox")) ) {
+			widgetActionRequest(ceData, elementFlags, ptr, WAR_UnSetAutoMask);
 			return;
-			}
-			if ( w->backgroundPixmap() )
-			w->setBackgroundOrigin( QWidget::WidgetOrigin );
+		}
+		if (!ceData.bgPixmap.isNull()) {
+			widgetActionRequest(ceData, elementFlags, ptr, WAR_SetBackgroundOrigin, QStyleWidgetActionRequestData(QWidget::WidgetOrigin));
 		}
 	}
 }
@@ -1013,19 +996,17 @@ void NorwegianWoodStyle::drawControl( ControlElement element,
     switch( element ) {
     case CE_PushButton:
 	{
-	    const QPushButton *btn;
-	    btn = ( const QPushButton * )widget;
 	    QColorGroup myCg( cg );
 	    SFlags flags = Style_Default;
-	    if ( btn->isOn() )
+	    if ( elementFlags & CEF_IsOn )
 		flags |= Style_On;
-	    if ( btn->isDown() )
+	    if ( elementFlags & CEF_IsDown )
 		flags |= Style_Down;
-	    if ( btn->isOn() || btn->isDown() )
+	    if ( (elementFlags & CEF_IsOn) || (elementFlags & CEF_IsDown) )
 		flags |= Style_Sunken;
-	    if ( btn->isDefault() )
+	    if ( elementFlags & CEF_IsDefault )
 		flags |= Style_Default;
-	    if ( ! btn->isFlat() && !(flags & Style_Down) )
+	    if ( ! (elementFlags & CEF_IsFlat) && !(flags & Style_Down) )
 		flags |= Style_Raised;
 
 	    int x1, y1, x2, y2;
@@ -1035,15 +1016,15 @@ void NorwegianWoodStyle::drawControl( ControlElement element,
 	    p->setBrush( QBrush( cg.button(), NoBrush ) );
 	
 	    QBrush fill;
-	    if ( btn->isDown() )
+	    if ( elementFlags & CEF_IsDown )
 		fill = cg.brush( QColorGroup::Mid );
-	    else if ( btn->isOn() )
+	    else if ( elementFlags & CEF_IsOn )
 		fill = QBrush( cg.mid(), Dense4Pattern );
 	    else
 		fill = cg.brush( QColorGroup::Button );
 	    myCg.setBrush( QColorGroup::Mid, fill );
 	
-	    if ( btn->isDefault() ) {
+	    if ( elementFlags & CEF_IsDefault ) {
 		x1 += 2;
 		y1 += 2;
 		x2 -= 2;
@@ -1054,7 +1035,7 @@ void NorwegianWoodStyle::drawControl( ControlElement element,
 			   QRect( x1, y1, x2 - x1 + 1, y2 - y1 + 1),
 			   myCg, flags, opt );
 	
-	    if ( btn->isDefault() ) {
+	    if ( elementFlags & CEF_IsDefault ) {
 		QPen pen( Qt::black, 4 );
 		pen.setCapStyle( Qt::RoundCap );
 		pen.setJoinStyle( Qt::RoundJoin );
@@ -1062,12 +1043,12 @@ void NorwegianWoodStyle::drawControl( ControlElement element,
 		drawroundrect( p, x1 - 1, y1 - 1, x2 - x1 + 3, y2 - y1 + 3, 8 );
 	    }
 	
-	    if ( btn->isMenuButton() ) {
+	    if ( elementFlags & CEF_IsMenuWidget ) {
 		int dx = ( y1 - y2 - 4 ) / 3;
 		
 		// reset the flags
 		flags = Style_Default;
-		if ( btn->isEnabled() )
+		if ( elementFlags & CEF_IsEnabled )
 		    flags |= Style_Enabled;		
 		drawPrimitive( PE_ArrowDown, p, ceData, elementFlags,
 			       QRect( x2 - dx, dx, y1, y2 - y1),
@@ -1080,8 +1061,6 @@ void NorwegianWoodStyle::drawControl( ControlElement element,
 	}
     case CE_PushButtonLabel:
 	{
-	    const QPushButton *btn;
-	    btn = (const QPushButton*)widget;
 	    int x, y, w, h;
 	    r.rect( &x, &y, &w, &h );
 
@@ -1089,7 +1068,7 @@ void NorwegianWoodStyle::drawControl( ControlElement element,
 	    r.coords( &x1, &y1, &x2, &y2 );
 	    int dx = 0;
 	    int dy = 0;
-	    if ( btn->isMenuButton() )
+	    if ( elementFlags & CEF_IsMenuWidget )
 		dx = ( y2 - y1 ) / 3;
 	    if ( dx || dy )
 		p->translate( dx, dy );
@@ -1100,9 +1079,9 @@ void NorwegianWoodStyle::drawControl( ControlElement element,
 	    h -= 4;
 	    drawItem( p, QRect( x, y, w, h ),
 		      AlignCenter | ShowPrefix,
-		      cg, btn->isEnabled(),
-		      btn->pixmap(), btn->text(), -1,
-		      (btn->isDown() || btn->isOn()) ? &cg.brightText()
+		      cg, (elementFlags & CEF_IsEnabled),
+		      (ceData.fgPixmap.isNull())?NULL:&ceData.fgPixmap, ceData.text, -1,
+		      ((elementFlags & CEF_IsDown) || (elementFlags & CEF_IsOn)) ? &cg.brightText()
 		      : &cg.buttonText() );
 	    if ( dx || dy )
 		p->translate( -dx, -dy );
@@ -1152,9 +1131,6 @@ void NorwegianWoodStyle::drawComplexControl( ComplexControl cc,
     switch( cc ) {
     case CC_ComboBox:
 	{
-	    const QComboBox *cmb;
-	    cmb = (const QComboBox*)widget;
-	
 	    int awh, ax, ay, sh, sy, dh, ew;
 	    get_combo_parameters( subRect(SR_PushButtonContents, ceData, elementFlags, widget),
 				  ew, awh, ax, ay, sh, dh, sy );
@@ -1176,7 +1152,7 @@ void NorwegianWoodStyle::drawComplexControl( ComplexControl cc,
 	    p->drawLine( ax + awh - 1, sy + 1, ax + awh - 1, sy + sh - 1 );
 	    p->setPen( oldPen );
 	
-	    if ( cmb->editable() ) {
+	    if ( elementFlags & CEF_IsEditable ) {
 		QRect r( querySubControlMetrics(CC_ComboBox, ceData, elementFlags,
 						SC_ComboBoxEditField, opt, widget) );
 		qDrawShadePanel( p, r, cg, TRUE, 1,
@@ -1244,19 +1220,17 @@ QRect NorwegianWoodStyle::querySubControlMetrics( ComplexControl control,
 	}
     case CC_ScrollBar:
 	{
-	    const QScrollBar* sb;
-	    sb = (const QScrollBar*)widget;
-	    bool horz = sb->orientation() == QScrollBar::Horizontal;
+	    bool horz = ceData.orientation == QScrollBar::Horizontal;
 	    int b = 2;
-	    int w = horz ? sb->height() : sb->width();
+	    int w = horz ? ceData.rect.height() : ceData.rect.width();
 	
 	    switch ( sc ) {
 	    case SC_ScrollBarAddLine:
 		rect.setRect( b, b, w - 2 * b, w - 2 * b );
 		if ( horz )
-		    rect.moveBy( sb->width() - w, 0 );
+		    rect.moveBy( ceData.rect.width() - w, 0 );
 		else
-		    rect.moveBy( 0, sb->height() - w );
+		    rect.moveBy( 0, ceData.rect.height() - w );
 		break;
 	    case SC_ScrollBarSubLine:
 		rect.setRect( b, b, w - 2 * b, w - 2 * b );
@@ -1282,9 +1256,7 @@ QRect NorwegianWoodStyle::subRect( SubRect sr, const QStyleControlElementData ce
     switch ( sr ) {
     case SR_PushButtonContents:
 	{
-	    const QPushButton *btn;
-	    btn = (const QPushButton*)widget;
-	    r = btn->rect();
+	    r = ceData.rect;
 	    int d = QMIN( r.width(), r.height() ) / 2;
 	    int b = buttonthickness( d );