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kdeui: wait for owner after killing it in KSelectionOwner::claim()

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2022-11-15 04:35:24 +02:00
parent e8e1d7c908
commit 6b0375f64f
1 changed files with 25 additions and 7 deletions
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32
kdeui/util/kselectionowner.cpp
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@ -27,6 +27,19 @@
#define KSELECTIONOWNER_SLEEPTIME 500
#define KSELECTIONOWNER_CHECKTIME 250
static Window kWaitForOwner(Display* x11display, const Atom x11atom)
{
ushort counter = 0;
Window currentowner = XGetSelectionOwner(x11display, x11atom);
while (currentowner != None && counter < 10) {
QCoreApplication::processEvents(QEventLoop::AllEvents, KSELECTIONOWNER_TIMEOUT);
QThread::msleep(KSELECTIONOWNER_SLEEPTIME);
counter++;
currentowner = XGetSelectionOwner(x11display, x11atom);
}
return currentowner;
}
class KSelectionOwnerPrivate
{
public:
@ -94,16 +107,15 @@ bool KSelectionOwner::claim(const bool force)
}
if (currentowner != None) {
kDebug(240) << d->atomname << "is owned, clearing owner";
KXErrorHandler kx11errorhandler(d->x11display);
XSetSelectionOwner(d->x11display, d->x11atom, None, CurrentTime);
XFlush(d->x11display);
ushort counter = 0;
kDebug(240) << "Waiting for" << d->atomname << "owner";
while (currentowner != None && counter < 10) {
currentowner = XGetSelectionOwner(d->x11display, d->x11atom);
QCoreApplication::processEvents(QEventLoop::AllEvents, KSELECTIONOWNER_TIMEOUT);
QThread::msleep(KSELECTIONOWNER_SLEEPTIME);
counter++;
if (kx11errorhandler.error(true)) {
kWarning(240) << KXErrorHandler::errorMessage(kx11errorhandler.errorEvent());
return false;
}
kDebug(240) << "Waiting for" << d->atomname << "owner";
currentowner = kWaitForOwner(d->x11display, d->x11atom);
}
if (currentowner != None) {
kDebug(240) << d->atomname << "is owned, killing owner";
@ -114,6 +126,12 @@ bool KSelectionOwner::claim(const bool force)
kWarning(240) << KXErrorHandler::errorMessage(kx11errorhandler.errorEvent());
return false;
}
kDebug(240) << "Waiting for" << d->atomname << "owner";
currentowner = kWaitForOwner(d->x11display, d->x11atom);
}
if (currentowner != None) {
kWarning(240) << d->atomname << "is still owned";
return false;
}
kDebug(240) << "Creating" << d->atomname << "owner";
KXErrorHandler kx11errorhandler(d->x11display);