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QWidgetTextControl: ignore GroupSwitchModifier for BackSpace

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"The keypad and group switch modifier should not make a difference" when matches a QKeySequence, see QKeyEvent::matches() implementation.

Qt(xcb) treats AltGr as GroupSwitchModifier in hard code, which should
come from Qt 4 era. Nowadays, with different xkb setups, Mode_switch
could be different keys. When it is AltGr, Qt will get AltGr as
GroupSwitchModifier. When it is not AltGr, another key like
Less/Greaterkey(details in bug report), GroupSwitchModifier will not
be set in the case.

Fixes: QTBUG-36565
Pick-to: 5.15 6.0 6.1
Change-Id: I7251963d41a70d61800d25e43d5012b859693f69
Reviewed-by: Liang Qi <liang.qi@qt.io>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
This commit is contained in:
Igor Kushnir 2021-05-28 10:49:41 +02:00 committed by Liang Qi
parent c4b5e84e9e
commit 4b0b87b5c2
1 changed files with 1 additions and 1 deletions
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2
src/widgets/widgets/qwidgettextcontrol.cpp
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@ -1282,7 +1282,7 @@ void QWidgetTextControlPrivate::keyPressEvent(QKeyEvent *e)
// example)
repaintSelection();
if (e->key() == Qt::Key_Backspace && !(e->modifiers() & ~Qt::ShiftModifier)) {
if (e->key() == Qt::Key_Backspace && !(e->modifiers() & ~(Qt::ShiftModifier | Qt::GroupSwitchModifier))) {
QTextBlockFormat blockFmt = cursor.blockFormat();
QTextList *list = cursor.currentList();
if (list && cursor.atBlockStart() && !cursor.hasSelection()) {