void QQuickMouseArea::mouseReleaseEvent(QMouseEvent *event)
{
Q_D(QQuickMouseArea);
d->stealMouse = false;
if (!d->enabled && !d->pressed) {
QQuickItem::mouseReleaseEvent(event);
} else {
d->saveEvent(event);
setPressed(event->button(), false);
if (!d->pressed) {
// no other buttons are pressed
#ifndef QT_NO_DRAGANDDROP
if (d->drag)
d->drag->setActive(false);
#endif
// If we don't accept hover, we need to reset containsMouse.
if (!acceptHoverEvents())
setHovered(false);
QQuickWindow *w = window();
if (w && w->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
}
d->doubleClick = false;
}
void QQuickMouseArea::setHoverEnabled(bool h)
{
if (h == acceptHoverEvents())
return;
setAcceptHoverEvents(h);
emit hoverEnabledChanged();
}
void QDeclarativeMouseArea::setHoverEnabled(bool h)
{
Q_D(QDeclarativeMouseArea);
if (h == acceptHoverEvents())
return;
setAcceptHoverEvents(h);
emit hoverEnabledChanged();
if (d->hovered != isUnderMouse())
setHovered(!d->hovered);
}
/**
* This is a utility method to copy all the attributes of this
* TextItem to \a other TextItem.
*/
void TextItem::copyAttributesTo(TextItem *other) const
{
other->setDefaultTextColor(defaultTextColor());
other->setHoverBrush(hoverBrush());
other->setAcceptHoverEvents(acceptHoverEvents());
other->setAlignment(alignment());
other->setFont(font());
other->setBold(bold());
other->setItalic(italic());
other->setUnderline(underline());
other->setBackgroundBrush(backgroundBrush());
}
QVariant QDeclarativeMouseArea::itemChange(GraphicsItemChange change,
const QVariant &value)
{
Q_D(QDeclarativeMouseArea);
switch (change) {
case ItemVisibleHasChanged:
if (acceptHoverEvents() && d->hovered != (isVisible() && isUnderMouse()))
setHovered(!d->hovered);
break;
default:
break;
}
return QDeclarativeItem::itemChange(change, value);
}
void QDeclarativeMouseArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarativeMouseArea);
if (!d->absorb) {
QDeclarativeItem::mouseReleaseEvent(event);
} else {
d->saveEvent(event);
setPressed(false);
if (d->drag)
d->drag->setActive(false);
// If we don't accept hover, we need to reset containsMouse.
if (!acceptHoverEvents())
setHovered(false);
setKeepMouseGrab(false);
}
}
void QQuickMouseArea::itemChange(ItemChange change, const ItemChangeData &value)
{
Q_D(QQuickMouseArea);
switch (change) {
case ItemVisibleHasChanged:
if (acceptHoverEvents() && d->hovered != (isVisible() && isUnderMouse())) {
if (!d->hovered) {
QPointF cursorPos = QGuiApplicationPrivate::lastCursorPosition;
d->lastScenePos = d->window->mapFromGlobal(cursorPos.toPoint());
d->lastPos = mapFromScene(d->lastScenePos);
}
setHovered(!d->hovered);
}
break;
default:
break;
}
QQuickItem::itemChange(change, value);
}
void QDeclarativeMouseArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarativeMouseArea);
d->stealMouse = false;
if (!d->absorb) {
QDeclarativeItem::mouseReleaseEvent(event);
} else {
d->saveEvent(event);
setPressed(false);
if (d->drag)
d->drag->setActive(false);
// If we don't accept hover, we need to reset containsMouse.
if (!acceptHoverEvents())
setHovered(false);
QGraphicsScene *s = scene();
if (s && s->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
d->doubleClick = false;
}
/*!
\qmlproperty bool QtQuick::MouseArea::hoverEnabled
This property holds whether hover events are handled.
By default, mouse events are only handled in response to a button event, or when a button is
pressed. Hover enables handling of all mouse events even when no mouse button is
pressed.
This property affects the containsMouse property and the onEntered, onExited and
onPositionChanged signals.
*/
bool QQuickMouseArea::hoverEnabled() const
{
return acceptHoverEvents();
}
/*!
\qmlproperty bool MouseArea::hoverEnabled
This property holds whether hover events are handled.
By default, mouse events are only handled in response to a button event, or when a button is
pressed. Hover enables handling of all mouse events even when no mouse button is
pressed.
This property affects the containsMouse property and the onEntered, onExited and
onPositionChanged signals.
*/
bool QDeclarativeMouseArea::hoverEnabled() const
{
return acceptHoverEvents();
}
//---------------------------------------------------------------------------------------------------------------
// context menu
//---------------------------------------------------------------------------------------------------------------
void NWEBaseGraphicsItem::addActionsToContextMenu(QMenu* menu) {
if(acceptHoverEvents())
menu->addActions(contextMenuActionList_);
}
bool KWidget::itemPanel() const
{
QGraphicsItem::GraphicsItemFlags vals = QGraphicsWidget::flags();
return vals.testFlag(QGraphicsItem::ItemIsPanel) && acceptHoverEvents();
}
void PushButton::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget)
{
if (!styleSheet().isNull() || Theme::defaultTheme()->useNativeWidgetStyle()) {
QGraphicsProxyWidget::paint(painter, option, widget);
return;
}
QPixmap bufferPixmap;
//Normal button, pressed or not
if (isEnabled()) {
if (nativeWidget()->isDown() || nativeWidget()->isChecked()) {
d->background->setElementPrefix("pressed");
} else {
d->background->setElementPrefix("normal");
}
//flat or disabled
} else if (!isEnabled() || nativeWidget()->isFlat()) {
bufferPixmap = QPixmap(rect().size().toSize());
bufferPixmap.fill(Qt::transparent);
QPainter buffPainter(&bufferPixmap);
d->background->paintFrame(&buffPainter);
buffPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
buffPainter.fillRect(bufferPixmap.rect(), QColor(0, 0, 0, 128));
painter->drawPixmap(0, 0, bufferPixmap);
}
//if is under mouse draw the animated glow overlay
if (!nativeWidget()->isDown() && !nativeWidget()->isChecked() && isEnabled() && acceptHoverEvents() && d->background->hasElementPrefix("active")) {
if (d->hoverAnimation->state() == QAbstractAnimation::Running && !isUnderMouse() && !nativeWidget()->isDefault()) {
d->background->setElementPrefix("active");
d->background->paintFrame(painter, d->activeRect.topLeft());
} else {
painter->drawPixmap(
d->activeRect.topLeft(),
d->hoverAnimation->property("currentPixmap").value<QPixmap>());
}
} else if (isEnabled()) {
d->background->paintFrame(painter);
}
painter->setPen(Plasma::Theme::defaultTheme()->color(Theme::ButtonTextColor));
if (nativeWidget()->isDown()) {
painter->translate(QPoint(1, 1));
}
QRectF rect = contentsRect();
if (!nativeWidget()->icon().isNull()) {
const qreal iconSize = qMin(rect.width(), rect.height());
QPixmap iconPix = nativeWidget()->icon().pixmap(iconSize);
if (!isEnabled()) {
KIconEffect *effect = KIconLoader::global()->iconEffect();
iconPix = effect->apply(iconPix, KIconLoader::Toolbar, KIconLoader::DisabledState);
}
QRect pixmapRect;
if (nativeWidget()->text().isEmpty()) {
pixmapRect = nativeWidget()->style()->alignedRect(option->direction, Qt::AlignCenter, iconPix.size(), rect.toRect());
} else {
pixmapRect = nativeWidget()->style()->alignedRect(option->direction, Qt::AlignLeft|Qt::AlignVCenter, iconPix.size(), rect.toRect());
}
painter->drawPixmap(pixmapRect.topLeft(), iconPix);
if (option->direction == Qt::LeftToRight) {
rect.adjust(rect.height(), 0, 0, 0);
} else {
rect.adjust(0, 0, -rect.height(), 0);
}
}
QFontMetricsF fm(font());
// If the height is too small increase the Height of the button to shall the whole text #192988
if (rect.height() < fm.height()) {
rect.setHeight(fm.height());
rect.moveTop(boundingRect().center().y() - rect.height() / 2);
}
// If there is not enough room for the text make it to fade out
if (rect.width() < fm.width(nativeWidget()->text())) {
if (bufferPixmap.isNull()) {
bufferPixmap = QPixmap(rect.size().toSize());
}
bufferPixmap.fill(Qt::transparent);
QPainter p(&bufferPixmap);
p.setPen(painter->pen());
p.setFont(font());
// Create the alpha gradient for the fade out effect
QLinearGradient alphaGradient(0, 0, 1, 0);
alphaGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
if (option->direction == Qt::LeftToRight) {
alphaGradient.setColorAt(0, QColor(0, 0, 0, 255));
alphaGradient.setColorAt(1, QColor(0, 0, 0, 0));
p.drawText(bufferPixmap.rect(), Qt::AlignLeft|Qt::AlignVCenter|Qt::TextShowMnemonic,
nativeWidget()->text());
} else {
alphaGradient.setColorAt(0, QColor(0, 0, 0, 0));
alphaGradient.setColorAt(1, QColor(0, 0, 0, 255));
p.drawText(bufferPixmap.rect(), Qt::AlignRight|Qt::AlignVCenter|Qt::TextShowMnemonic,
nativeWidget()->text());
}
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.fillRect(bufferPixmap.rect(), alphaGradient);
painter->drawPixmap(rect.topLeft(), bufferPixmap);
} else {
painter->setFont(font());
painter->drawText(rect, Qt::AlignCenter|Qt::TextShowMnemonic, nativeWidget()->text());
}
}
