Unsolved Hover Event - 2 windows
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@SGaist But how? I see here 1 problem:
In this method ( widgetAt ) I need QPoint. I can do something like:
In hoverLeave method: auto wid = QApplication::widgetAt(QCursor::pos());
I don't see any other method to get QPoint - only from QCursor::pos(). Event->pos() give me QPoint(-1,-1).
So QCursor::pos(). But this is bad solution because when I do very fast move my mouse I get strange position.
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Which hoverLeave method ?
What about QWidget::leaveEvent ?
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@SGaist hoverLeave method is my method which is execute when there is QHoverEvent. I think in this example QWidget::leaveEvent and QHoverEvent are very simillar.
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Then please show your code.
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@SGaist I don't have it on thic pc, so I can only give you some pseudoCode:
bool MainWindow::event(QEvent * e) { switch(e->type()) { case QEvent::HoverEnter: hoverEnter(static_cast<QHoverEvent*>(e)); return true; break; case QEvent::HoverLeave: hoverLeave(static_cast<QHoverEvent*>(e)); return true; break; default: break; } return QWidget::event(e); }
void MainWindow::hoverEnter(QHoverEvent * event) { if( !label -> isVisible() ) { label->show(); } } void MainWindow::hoverLeave(QHoverEvent * event) { if( label -> isVisible ) { label->hide(); } }
EDIT:
I have while(true) here :) When I have cursor in label I have loop:
hide->show->hide->show->hide->... -
Why a while ? You will only manage to block the event loop.
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@SGaist Could you give me some snippet - I don't do this before
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A snippet of what ?
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@SGaist Blocking event loop
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You do not want to block the event loop. That will freeze your GUI.
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@SGaist Now in functions hoverEnter and hoverLeave I do:
qInfo()<<"enter"; or qInfo()<<"leave";
When my mouse cursor is in place, where label is I see in QT words:
enter, leave, enter, leave, enter, leave, enter, leave, enter, leave, enter, leave, enter, leave, enter, leave, ...And I see that my label is hidden -> shown ->hidden -> shown ->hidden -> shown ->hidden -> shown ->hidden -> shown ->hidden -> shown ->...
How can I do what I want ( picture ) ?