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Use QPropertyAnimation::DeleteWhenStopped PulseWidget() when once is set

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Also fixes potential crash when waiting for single shot timer when
looping and widget and animations are deleted in the meantime
This commit is contained in:
WarmUpTill 2022-02-25 23:28:55 +01:00 committed by WarmUpTill
parent 4253c99cf2
commit 6fb8297275
1 changed files with 19 additions and 16 deletions
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35
src/utility.cpp
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@ -883,36 +883,39 @@ bool windowPosValid(QPoint pos)
QMetaObject::Connection PulseWidget(QWidget *widget, QColor startColor,
QColor endColor, bool once)
{
QGraphicsColorizeEffect *eEffect = new QGraphicsColorizeEffect(widget);
widget->setGraphicsEffect(eEffect);
QPropertyAnimation *paAnimation =
new QPropertyAnimation(eEffect, "color");
paAnimation->setStartValue(startColor);
paAnimation->setEndValue(endColor);
paAnimation->setDuration(1000);
QGraphicsColorizeEffect *effect = new QGraphicsColorizeEffect(widget);
widget->setGraphicsEffect(effect);
QPropertyAnimation *animation =
new QPropertyAnimation(effect, "color", widget);
animation->setStartValue(startColor);
animation->setEndValue(endColor);
animation->setDuration(1000);
QMetaObject::Connection con;
if (once) {
auto widgetPtr = widget;
con = QWidget::connect(
paAnimation, &QPropertyAnimation::finished,
animation, &QPropertyAnimation::finished,
[widgetPtr]() {
if (widgetPtr) {
widgetPtr->setGraphicsEffect(nullptr);
}
});
animation->start(QPropertyAnimation::DeleteWhenStopped);
} else {
auto widgetPtr = widget;
con = QWidget::connect(
paAnimation, &QPropertyAnimation::finished,
[paAnimation]() {
QTimer::singleShot(1000, [paAnimation] {
paAnimation->start();
});
animation, &QPropertyAnimation::finished,
[animation, widgetPtr]() {
QTimer *timer = new QTimer(widgetPtr);
QWidget::connect(timer, &QTimer::timeout,
[animation] {
animation->start();
});
timer->start(1000);
});
animation->start();
}
paAnimation->start();
return con;
}