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Don't redirect/unredirect windows too frequent

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REVIEW: 109795
This commit is contained in:
Alexander Mezin 2013-03-30 07:11:51 +07:00 committed by Martin Gräßlin
parent ef0c9f3e94
commit 8741789fd2
1 changed files with 13 additions and 7 deletions
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20
composite.cpp
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@ -1065,19 +1065,25 @@ bool Toplevel::updateUnredirectedState()
assert(compositing());
bool should = shouldUnredirect() && !unredirectSuspend && !shape() && !hasAlpha() && opacity() == 1.0 &&
!static_cast<EffectsHandlerImpl*>(effects)->activeFullScreenEffect();
if (should && !unredirect) {
unredirect = true;
if (should == unredirect)
return false;
static QElapsedTimer lastUnredirect;
static const qint64 msecRedirectInterval = 100;
if (!lastUnredirect.hasExpired(msecRedirectInterval)) {
QTimer::singleShot(msecRedirectInterval, Compositor::self(), SLOT(checkUnredirect()));
return false;
}
lastUnredirect.start();
unredirect = should;
if (unredirect) {
kDebug(1212) << "Unredirecting:" << this;
xcb_composite_unredirect_window(connection(), frameId(), XCB_COMPOSITE_REDIRECT_MANUAL);
return true;
} else if (!should && unredirect) {
unredirect = false;
} else {
kDebug(1212) << "Redirecting:" << this;
xcb_composite_redirect_window(connection(), frameId(), XCB_COMPOSITE_REDIRECT_MANUAL);
discardWindowPixmap();
return true;
}
return false;
return true;
}
void Toplevel::suspendUnredirect(bool suspend)