commit 46da0d9d4d704ba0ad238be6bc78804600016203
Author: Eugene Chornyi <[email protected]>
Date: Thu Sep 10 20:40:48 2020 +0200
Workaround Qtbug regarding the QAbstractScrollArea::mouseMoveEvent(...)
(06969f9d) is only needed until Qt 5.15.1 as it was fixed there.
---
src/frontends/qt/GuiWorkArea.cpp | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/frontends/qt/GuiWorkArea.cpp b/src/frontends/qt/GuiWorkArea.cpp
index a2af82d..dd9d1fd 100644
--- a/src/frontends/qt/GuiWorkArea.cpp
+++ b/src/frontends/qt/GuiWorkArea.cpp
@@ -849,7 +849,8 @@ void GuiWorkArea::mouseReleaseEvent(QMouseEvent * e)
FuncRequest const cmd(LFUN_MOUSE_RELEASE, e->x(), e->y(),
q_button_state(e->button()),
q_key_state(e->modifiers()));
-#if (QT_VERSION > QT_VERSION_CHECK(5,10,1))
+#if (QT_VERSION > QT_VERSION_CHECK(5,10,1) && \
+ QT_VERSION < QT_VERSION_CHECK(5,15,1))
d->synthetic_mouse_event_.cmd = cmd; // QtBug
QAbstractScrollArea::mouseMoveEvent
#endif
d->dispatch(cmd);
@@ -859,7 +860,8 @@ void GuiWorkArea::mouseReleaseEvent(QMouseEvent * e)
void GuiWorkArea::mouseMoveEvent(QMouseEvent * e)
{
-#if (QT_VERSION > QT_VERSION_CHECK(5,10,1))
+#if (QT_VERSION > QT_VERSION_CHECK(5,10,1) && \
+ QT_VERSION < QT_VERSION_CHECK(5,15,1))
// cancel the event if the coordinates didn't change, this is due to
QtBug
// QAbstractScrollArea::mouseMoveEvent, the event is triggered falsely
when quickly
// double tapping a touchpad. To test: try to select a word by quickly
double tapping
@@ -867,6 +869,7 @@ void GuiWorkArea::mouseMoveEvent(QMouseEvent * e)
// This bug does not occur on Qt versions 5.10.1 and below. Only
Windows seems to be affected.
// ML thread:
https://www.mail-archive.com/[email protected]/msg211699.html
// Qt bugtracker: https://bugreports.qt.io/browse/QTBUG-85431
+ // Bug was fixed in Qt 5.15.1
if (e->x() == d->synthetic_mouse_event_.cmd.x() && // QtBug
QAbstractScrollArea::mouseMoveEvent
e->y() == d->synthetic_mouse_event_.cmd.y()) // QtBug
QAbstractScrollArea::mouseMoveEvent
return; // QtBug QAbstractScrollArea::mouseMoveEvent
--
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