aboutsummaryrefslogtreecommitdiffstats
path: root/src/quick/handlers/qquickhoverhandler.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/quick/handlers/qquickhoverhandler.cpp')
-rw-r--r--src/quick/handlers/qquickhoverhandler.cpp51
1 files changed, 39 insertions, 12 deletions
diff --git a/src/quick/handlers/qquickhoverhandler.cpp b/src/quick/handlers/qquickhoverhandler.cpp
index 2a2208c567..072ca626a6 100644
--- a/src/quick/handlers/qquickhoverhandler.cpp
+++ b/src/quick/handlers/qquickhoverhandler.cpp
@@ -40,35 +40,58 @@ class QQuickHoverHandlerPrivate : public QQuickSinglePointHandlerPrivate
public:
void onEnabledChanged() override;
+ void onParentChanged(QQuickItem *oldParent, QQuickItem *newParent) override;
+
+ void updateHasHoverInChild(QQuickItem *item, bool hasHover);
};
void QQuickHoverHandlerPrivate::onEnabledChanged()
{
Q_Q(QQuickHoverHandler);
- if (auto parent = q->parentItem()) {
- QQuickItemPrivate *itemPriv = QQuickItemPrivate::get(parent);
- itemPriv->setHasHoverInChild(enabled);
- // The DA needs to resolve which items and handlers should now be hovered or unhovered.
- // Marking the parent item dirty ensures that flushFrameSynchronousEvents() will be called from the render loop,
- // even if this change is not in response to a mouse event and no item has already marked itself dirty.
- itemPriv->dirty(QQuickItemPrivate::Content);
- }
+ if (auto parent = q->parentItem())
+ updateHasHoverInChild(parent, enabled);
if (!enabled)
q->setHovered(false);
+
+ QQuickSinglePointHandlerPrivate::onEnabledChanged();
+}
+
+void QQuickHoverHandlerPrivate::onParentChanged(QQuickItem *oldParent, QQuickItem *newParent)
+{
+ if (oldParent)
+ updateHasHoverInChild(oldParent, false);
+ if (newParent)
+ updateHasHoverInChild(newParent, true);
+
+ QQuickSinglePointHandlerPrivate::onParentChanged(oldParent, newParent);
+}
+
+void QQuickHoverHandlerPrivate::updateHasHoverInChild(QQuickItem *item, bool hasHover)
+{
+ QQuickItemPrivate *itemPriv = QQuickItemPrivate::get(item);
+ itemPriv->setHasHoverInChild(hasHover);
+ // The DA needs to resolve which items and handlers should now be hovered or unhovered.
+ // Marking the parent item dirty ensures that flushFrameSynchronousEvents() will be called from the render loop,
+ // even if this change is not in response to a mouse event and no item has already marked itself dirty.
+ itemPriv->dirty(QQuickItemPrivate::Content);
}
QQuickHoverHandler::QQuickHoverHandler(QQuickItem *parent)
: QQuickSinglePointHandler(*(new QQuickHoverHandlerPrivate), parent)
{
+ Q_D(QQuickHoverHandler);
// Tell QQuickPointerDeviceHandler::wantsPointerEvent() to ignore button state
- d_func()->acceptedButtons = Qt::NoButton;
+ d->acceptedButtons = Qt::NoButton;
+ if (parent)
+ d->updateHasHoverInChild(parent, true);
}
QQuickHoverHandler::~QQuickHoverHandler()
{
+ Q_D(QQuickHoverHandler);
if (auto parent = parentItem())
- QQuickItemPrivate::get(parent)->setHasHoverInChild(false);
+ d->updateHasHoverInChild(parent, false);
}
/*!
@@ -105,9 +128,13 @@ bool QQuickHoverHandler::event(QEvent *event)
void QQuickHoverHandler::componentComplete()
{
+ Q_D(QQuickHoverHandler);
QQuickSinglePointHandler::componentComplete();
- if (auto par = parentItem())
- QQuickItemPrivate::get(par)->setHasHoverInChild(true);
+
+ if (d->enabled) {
+ if (auto parent = parentItem())
+ d->updateHasHoverInChild(parent, true);
+ }
}
bool QQuickHoverHandler::wantsPointerEvent(QPointerEvent *event)