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plasma: catch visibility and position changes for hover animation in launcher applet

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because the widgets are child of Plasma::ScrollWidget it is tricky to get
it done properly but Plasma::ToolButton also checks for visibility change
just for the "under mouse" state

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2024-05-20 08:03:47 +03:00
parent e2b193e780
commit 2cf8a5b37a
1 changed files with 21 additions and 8 deletions
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29
plasma/applets/launcher/launcher.cpp
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@ -193,6 +193,7 @@ protected:
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) final;
void mouseMoveEvent(QGraphicsSceneMouseEvent *event) final;
bool sceneEventFilter(QGraphicsItem *item, QEvent *event) final;
QVariant itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) final;
private:
QPropertyAnimation* animateHover(QPropertyAnimation *animation, const bool fadeout);
@ -440,20 +441,16 @@ void LauncherWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *op
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->setRenderHint(QPainter::Antialiasing);
const QRectF brect = boundingRect();
const QSizeF brectsize = brect.size();
if (m_hover > 0.0) {
painter->setRenderHint(QPainter::Antialiasing);
const QRectF brect = boundingRect();
const QSizeF brectsize = brect.size();
const qreal oldopacity = painter->opacity();
m_framesvg->setElementPrefix("hover");
m_framesvg->resizeFrame(brectsize);
painter->setOpacity(m_hover);
m_framesvg->paintFrame(painter, brect);
painter->setOpacity(oldopacity);
} else if (hasFocus()) {
m_framesvg->setElementPrefix("selected");
m_framesvg->resizeFrame(brectsize);
m_framesvg->paintFrame(painter, brect);
}
}
@ -482,7 +479,7 @@ void LauncherWidget::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
if (m_mimedata && handleMouseEvent(event)) {
return;
}
QGraphicsWidget::mouseMoveEvent(event);
Plasma::SvgWidget::mouseMoveEvent(event);
}
bool LauncherWidget::sceneEventFilter(QGraphicsItem *item, QEvent *event)
@ -496,6 +493,22 @@ bool LauncherWidget::sceneEventFilter(QGraphicsItem *item, QEvent *event)
return false;
}
QVariant LauncherWidget::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
{
const QVariant result = Plasma::SvgWidget::itemChange(change, value);
switch (change) {
case QGraphicsItem::ItemPositionHasChanged:
case QGraphicsItem::ItemVisibleHasChanged: {
m_hoveranimation = animateHover(m_hoveranimation, !isUnderMouse());
break;
}
default: {
break;
}
}
return result;
}
Plasma::Animation* LauncherWidget::animateButton(Plasma::Animation *animation,
Plasma::ToolButton *toolbutton,
const bool fadeout)