void QGraphicsWidgetPrivate::windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event);
Q_Q(QGraphicsWidget);
if (hasDecoration()) {
// ### restore the cursor, don't override it
#ifndef QT_NO_CURSOR
q->unsetCursor();
#endif
ensureWindowData();
bool needsUpdate = false;
if (windowData->hoveredSubControl == QStyle::SC_TitleBarCloseButton
|| windowData->buttonMouseOver)
needsUpdate = true;
// update the hover state (of buttons etc...)
windowData->hoveredSubControl = QStyle::SC_None;
windowData->buttonMouseOver = false;
windowData->buttonRect = QRect();
if (needsUpdate)
q->update(windowData->buttonRect);
}
}
//___________________________________________________
void Button::paint( QPainter& painter )
{
QPalette palette( _client.palette() );
palette.setCurrentColorGroup( isActive() ? QPalette::Active : QPalette::Inactive);
if(
_client.compositingActive() &&
!( _client.isMaximized() || _type == ButtonItemClose || _type == ButtonItemMenu ) )
{ painter.translate( 0, -1 ); }
// translate buttons down if window maximized
if( _client.isMaximized() ) painter.translate( 0, 1 );
// base button color
QColor base;
if( _type == ButtonItemClose && _forceInactive ) base = _client.backgroundPalette( this, palette ).window().color();
else if( _type == ButtonItemClose ) base = palette.window().color();
else base = palette.button().color();
// text color
QColor color = (_type == ButtonItemClose && _forceInactive ) ?
buttonDetailColor( _client.backgroundPalette( this, palette ) ):
buttonDetailColor( palette );
// decide decoration color
QColor glow;
if( isAnimated() || (_status&Hovered) )
{
glow = isCloseButton() ?
_helper.viewNegativeTextBrush().brush(palette).color():
_helper.viewHoverBrush().brush(palette).color();
if( isAnimated() )
{
color = KColorUtils::mix( color, glow, glowIntensity() );
glow = _helper.alphaColor( glow, glowIntensity() );
} else if( _status&Hovered ) color = glow;
}
if( hasDecoration() )
{
// scale
qreal scale( (21.0*_client.buttonSize())/22.0 );
// pressed state
const bool pressed(
(_status&Pressed) ||
( _type == ButtonSticky && _client.isOnAllDesktops() ) ||
( _type == ButtonAbove && _client.keepAbove() ) ||
( _type == ButtonBelow && _client.keepBelow() ) );
// draw button shape
painter.drawPixmap(0, 0, _helper.windecoButton( base, glow, pressed, scale ) );
}
// Icon
// for menu button the application icon is used
if( isMenuButton() )
{
int iconScale( 0 );
switch( _client.buttonSize() )
{
case Configuration::ButtonSmall: iconScale = 13; break;
default:
case Configuration::ButtonDefault: iconScale = 16; break;
case Configuration::ButtonLarge: iconScale = 20; break;
case Configuration::ButtonVeryLarge: iconScale = 24; break;
case Configuration::ButtonHuge: iconScale = 35; break;
}
const QPixmap& pixmap( _client.icon().pixmap( iconScale ) );
const double offset = 0.5*(width()-pixmap.width() );
painter.drawPixmap(offset, offset-1, pixmap );
} else {
painter.setRenderHints(QPainter::Antialiasing);
qreal width( 1.2 );
// contrast
painter.setBrush(Qt::NoBrush);
painter.setPen(QPen( _helper.calcLightColor( base ), width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
drawIcon(&painter);
// main
painter.translate(0,-1.5);
painter.setBrush(Qt::NoBrush);
painter.setPen(QPen(color, width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
drawIcon(&painter);
}
}
void QGraphicsWidgetPrivate::windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
Q_Q(QGraphicsWidget);
if (!hasDecoration())
return;
ensureWindowData();
if (q->rect().contains(event->pos())) {
if (windowData->buttonMouseOver || windowData->hoveredSubControl != QStyle::SC_None)
windowFrameHoverLeaveEvent(event);
return;
}
bool wasMouseOver = windowData->buttonMouseOver;
QRect oldButtonRect = windowData->buttonRect;
windowData->buttonRect = QRect();
windowData->buttonMouseOver = false;
QPointF pos = event->pos();
QStyleOptionTitleBar bar;
// make sure that the coordinates (rect and pos) we send to the style are positive.
if (windowFrameMargins) {
pos.rx() += windowFrameMargins[Left];
pos.ry() += windowFrameMargins[Top];
}
initStyleOptionTitleBar(&bar);
bar.rect = q->windowFrameRect().toRect();
bar.rect.moveTo(0,0);
bar.rect.setHeight(int(titleBarHeight(bar)));
Qt::CursorShape cursorShape = Qt::ArrowCursor;
bool needsSetCursorCall = true;
switch (q->windowFrameSectionAt(event->pos())) {
case Qt::TopLeftSection:
case Qt::BottomRightSection:
cursorShape = Qt::SizeFDiagCursor;
break;
case Qt::TopRightSection:
case Qt::BottomLeftSection:
cursorShape = Qt::SizeBDiagCursor;
break;
case Qt::LeftSection:
case Qt::RightSection:
cursorShape = Qt::SizeHorCursor;
break;
case Qt::TopSection:
case Qt::BottomSection:
cursorShape = Qt::SizeVerCursor;
break;
case Qt::TitleBarArea:
windowData->buttonRect = q->style()->subControlRect(
QStyle::CC_TitleBar, &bar, QStyle::SC_TitleBarCloseButton, 0);
#ifdef Q_WS_MAC
// On mac we should hover if we are in the 'area' of the buttons
windowData->buttonRect |= q->style()->subControlRect(
QStyle::CC_TitleBar, &bar, QStyle::SC_TitleBarMinButton, 0);
windowData->buttonRect |= q->style()->subControlRect(
QStyle::CC_TitleBar, &bar, QStyle::SC_TitleBarMaxButton, 0);
#endif
if (windowData->buttonRect.contains(pos.toPoint()))
windowData->buttonMouseOver = true;
event->ignore();
break;
default:
needsSetCursorCall = false;
event->ignore();
}
#ifndef QT_NO_CURSOR
if (needsSetCursorCall)
q->setCursor(cursorShape);
#endif
// update buttons if we hover over them
windowData->hoveredSubControl = q->style()->hitTestComplexControl(QStyle::CC_TitleBar, &bar, pos.toPoint(), 0);
if (windowData->hoveredSubControl != QStyle::SC_TitleBarCloseButton)
windowData->hoveredSubControl = QStyle::SC_TitleBarLabel;
if (windowData->buttonMouseOver != wasMouseOver) {
if (!oldButtonRect.isNull())
q->update(QRectF(oldButtonRect).translated(q->windowFrameRect().topLeft()));
if (!windowData->buttonRect.isNull())
q->update(QRectF(windowData->buttonRect).translated(q->windowFrameRect().topLeft()));
}
}
