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fix blur regions calculations

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--do not send faulty blurred regions to KWin

BUG:417254
FIXED-IN:0.9.9
This commit is contained in:
Michail Vourlakos 2020-02-08 10:52:45 +02:00
parent b769fdf693
commit 4ff45510b2
1 changed files with 15 additions and 18 deletions
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33
app/view/effects.cpp
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@ -395,6 +395,8 @@ void Effects::updateEffects()
return;
}
bool clearEffects{true};
if (m_drawEffects && !m_rect.isNull() && !m_rect.isEmpty()) {
//! this is used when compositing is disabled and provides
//! the correct way for the mask to be painted in order for
@ -407,29 +409,24 @@ void Effects::updateEffects()
m_background->setImagePath(QStringLiteral("widgets/panel-background"));
}
QRect inWindowRect = m_rect;
if (KWindowSystem::compositingActive()) {
inWindowRect = m_rect.intersected(QRect(0, 0, m_view->width(), m_view->height()));
}
m_background->setEnabledBorders(m_enabledBorders);
m_background->resizeFrame(inWindowRect.size());
m_background->resizeFrame(m_rect.size());
QRegion fixedMask = m_background->mask();
fixedMask.translate(inWindowRect.x(), inWindowRect.y());
fixedMask.translate(m_rect.x(), m_rect.y());
//! fix1, for KF5.32 that return empty QRegion's for the mask
if (fixedMask.isEmpty()) {
fixedMask = QRegion(inWindowRect);
if (!fixedMask.isEmpty()) {
clearEffects = false;
KWindowEffects::enableBlurBehind(m_view->winId(), true, fixedMask);
KWindowEffects::enableBackgroundContrast(m_view->winId(),
m_theme.backgroundContrastEnabled(),
m_backEffectContrast,
m_backEffectIntesity,
m_backEffectSaturation,
fixedMask);
}
}
KWindowEffects::enableBlurBehind(m_view->winId(), true, fixedMask);
KWindowEffects::enableBackgroundContrast(m_view->winId(),
m_theme.backgroundContrastEnabled(),
m_backEffectContrast,
m_backEffectIntesity,
m_backEffectSaturation,
fixedMask);
} else {
if (clearEffects) {
KWindowEffects::enableBlurBehind(m_view->winId(), false);
KWindowEffects::enableBackgroundContrast(m_view->winId(), false);
}