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MDI: Fix resize cursor appearing for frames that had others on top

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(cherry-picked from commit e6b8636e88)
This commit is contained in:
Sergio Martins
2022-06-19 00:05:19 +01:00
parent d5e46dff31
commit 4c670a552e
1 changed files with 24 additions and 1 deletions
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25
src/private/WidgetResizeHandler.cpp
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@@ -94,9 +94,32 @@ bool WidgetResizeHandler::eventFilter(QObject *o, QEvent *e)
if (!widget)
return false;
if (m_isTopLevelWindowResizer && (!widget->isRootView() || !widget->equals(mTarget)))
if (!(e->type() == QEvent::MouseButtonPress || e->type() == QEvent::MouseButtonRelease || e->type() == QEvent::MouseMove))
return false;
if (m_isTopLevelWindowResizer) {
if (!widget->isRootView() || !widget->equals(mTarget))
return false;
} else if (isMDI()) {
// Each Frame has a WidgetResizeHandler instance.
// mTarget is the Frame we want to resize.
// but 'o' might not be mTarget, because we're using a global event filter.
// The global event filter is required because we allow the cursor to be outside the frame, a few pixels
// so we have a nice resize margin.
// Here we deal with the case where our mTarget, let's say "Frame 1" is on top of "Frame 2" but cursor
// is near "Frame 2"'s margins, and would show resize cursor.
// We only want to continue if the cursor is near the margins of our own frame (mTarget)
auto frame = widget->firstParentOfType(Type::Frame);
if (frame && !frame->view()->equals(mTarget)) {
auto frameParent = frame->view()->aboutToBeDestroyed() ? nullptr : frame->view()->parentView();
auto targetParent = mTarget->aboutToBeDestroyed() ? nullptr : mTarget->parentView();
const bool areSiblings = frameParent && frameParent->equals(targetParent);
if (areSiblings)
return false;
}
}
switch (e->type()) {
case QEvent::MouseButtonPress: {
if (mTarget->isMaximized())