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Commit 059ac0b7 authored by Lindsay Roberts's avatar Lindsay Roberts
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Halve inactive window shadow strength

parent 659e3d35
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kdecoration/breezedecoration.cpp
View file @ 059ac0b7
......@@ -142,6 +142,7 @@ namespace Breeze
static int g_shadowStrength = 255;
static QColor g_shadowColor = Qt::black;
static QSharedPointer<KDecoration2::DecorationShadow> g_sShadow;
static QSharedPointer<KDecoration2::DecorationShadow> g_sShadowInactive;
//________________________________________________________________
Decoration::Decoration(QObject *parent, const QVariantList &args)
......@@ -233,6 +234,7 @@ namespace Breeze
m_animation->setEasingCurve( QEasingCurve::Linear );
connect(m_animation, &QVariantAnimation::valueChanged, this, [this](const QVariant &value) {
setOpacity(value.toReal());
updateShadow();
});
// use DBus connection to update on breeze configuration change
......@@ -284,7 +286,7 @@ namespace Breeze
connect(c, &KDecoration2::DecoratedClient::shadedChanged, this, &Decoration::updateButtonsGeometry);
createButtons();
createShadow();
updateShadow();
}
//________________________________________________________________
......@@ -312,6 +314,7 @@ namespace Breeze
} else {
updateShadow();
update();
}
......@@ -380,7 +383,7 @@ namespace Breeze
recalculateBorders();
// shadow
createShadow();
updateShadow();
// size grip
if( hasNoBorders() && m_internalSettings->drawSizeGrip() ) createSizeGrip();
......@@ -707,88 +710,107 @@ namespace Breeze
}
//________________________________________________________________
void Decoration::createShadow()
void Decoration::updateShadow()
{
if (!g_sShadow
||g_shadowSizeEnum != m_internalSettings->shadowSize()
// Animated case, no cached shadow object
if ( (m_animation->state() == QAbstractAnimation::Running) && (m_opacity != 0.0) && (m_opacity != 1.0) )
{
setShadow(createShadowObject(m_internalSettings, 0.5 + m_opacity * 0.5));
return;
}
if (g_shadowSizeEnum != m_internalSettings->shadowSize()
|| g_shadowStrength != m_internalSettings->shadowStrength()
|| g_shadowColor != m_internalSettings->shadowColor())
{
g_sShadow.clear();
g_sShadowInactive.clear();
g_shadowSizeEnum = m_internalSettings->shadowSize();
g_shadowStrength = m_internalSettings->shadowStrength();
g_shadowColor = m_internalSettings->shadowColor();
}
const CompositeShadowParams params = lookupShadowParams(g_shadowSizeEnum);
if (params.isNone()) {
g_sShadow.clear();
setShadow(g_sShadow);
return;
}
auto withOpacity = [](const QColor &color, qreal opacity) -> QColor {
QColor c(color);
c.setAlphaF(opacity);
return c;
};
const QSize boxSize = BoxShadowRenderer::calculateMinimumBoxSize(params.shadow1.radius)
.expandedTo(BoxShadowRenderer::calculateMinimumBoxSize(params.shadow2.radius));
BoxShadowRenderer shadowRenderer;
shadowRenderer.setBorderRadius(Metrics::Frame_FrameRadius + 0.5);
shadowRenderer.setBoxSize(boxSize);
shadowRenderer.setDevicePixelRatio(1.0); // TODO: Create HiDPI shadows?
const qreal strength = static_cast<qreal>(g_shadowStrength) / 255.0;
shadowRenderer.addShadow(params.shadow1.offset, params.shadow1.radius,
withOpacity(g_shadowColor, params.shadow1.opacity * strength));
shadowRenderer.addShadow(params.shadow2.offset, params.shadow2.radius,
withOpacity(g_shadowColor, params.shadow2.opacity * strength));
QImage shadowTexture = shadowRenderer.render();
QPainter painter(&shadowTexture);
painter.setRenderHint(QPainter::Antialiasing);
const QRect outerRect = shadowTexture.rect();
QRect boxRect(QPoint(0, 0), boxSize);
boxRect.moveCenter(outerRect.center());
// Mask out inner rect.
const QMargins padding = QMargins(
boxRect.left() - outerRect.left() - Metrics::Shadow_Overlap - params.offset.x(),
boxRect.top() - outerRect.top() - Metrics::Shadow_Overlap - params.offset.y(),
outerRect.right() - boxRect.right() - Metrics::Shadow_Overlap + params.offset.x(),
outerRect.bottom() - boxRect.bottom() - Metrics::Shadow_Overlap + params.offset.y());
const QRect innerRect = outerRect - padding;
painter.setPen(Qt::NoPen);
painter.setBrush(Qt::black);
painter.setCompositionMode(QPainter::CompositionMode_DestinationOut);
painter.drawRoundedRect(
innerRect,
Metrics::Frame_FrameRadius + 0.5,
Metrics::Frame_FrameRadius + 0.5);
// Draw outline.
painter.setPen(withOpacity(g_shadowColor, 0.2 * strength));
painter.setBrush(Qt::NoBrush);
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
painter.drawRoundedRect(
innerRect,
Metrics::Frame_FrameRadius - 0.5,
Metrics::Frame_FrameRadius - 0.5);
painter.end();
g_sShadow = QSharedPointer<KDecoration2::DecorationShadow>::create();
g_sShadow->setPadding(padding);
g_sShadow->setInnerShadowRect(QRect(outerRect.center(), QSize(1, 1)));
g_sShadow->setShadow(shadowTexture);
auto c = client().toStrongRef();
auto& shadow = (c->isActive()) ? g_sShadow : g_sShadowInactive;
if ( !shadow )
{
shadow = createShadowObject(m_internalSettings, c->isActive() ? 1.0 : 0.5);
}
setShadow(shadow);
}
setShadow(g_sShadow);
//________________________________________________________________
QSharedPointer<KDecoration2::DecorationShadow> Decoration::createShadowObject(const InternalSettingsPtr& internalSettings, const float strengthScale)
{
const CompositeShadowParams params = lookupShadowParams(internalSettings->shadowSize());
if (params.isNone())
{
return nullptr;
}
auto withOpacity = [](const QColor& color, qreal opacity) -> QColor {
QColor c(color);
c.setAlphaF(opacity);
return c;
};
const QSize boxSize = BoxShadowRenderer::calculateMinimumBoxSize(params.shadow1.radius)
.expandedTo(BoxShadowRenderer::calculateMinimumBoxSize(params.shadow2.radius));
BoxShadowRenderer shadowRenderer;
shadowRenderer.setBorderRadius(Metrics::Frame_FrameRadius + 0.5);
shadowRenderer.setBoxSize(boxSize);
shadowRenderer.setDevicePixelRatio(1.0); // TODO: Create HiDPI shadows?
const qreal strength = internalSettings->shadowStrength() / 255.0 * strengthScale;
shadowRenderer.addShadow(params.shadow1.offset, params.shadow1.radius,
withOpacity(internalSettings->shadowColor(), params.shadow1.opacity * strength));
shadowRenderer.addShadow(params.shadow2.offset, params.shadow2.radius,
withOpacity(internalSettings->shadowColor(), params.shadow2.opacity * strength));
QImage shadowTexture = shadowRenderer.render();
QPainter painter(&shadowTexture);
painter.setRenderHint(QPainter::Antialiasing);
const QRect outerRect = shadowTexture.rect();
QRect boxRect(QPoint(0, 0), boxSize);
boxRect.moveCenter(outerRect.center());
// Mask out inner rect.
const QMargins padding = QMargins(
boxRect.left() - outerRect.left() - Metrics::Shadow_Overlap - params.offset.x(),
boxRect.top() - outerRect.top() - Metrics::Shadow_Overlap - params.offset.y(),
outerRect.right() - boxRect.right() - Metrics::Shadow_Overlap + params.offset.x(),
outerRect.bottom() - boxRect.bottom() - Metrics::Shadow_Overlap + params.offset.y());
const QRect innerRect = outerRect - padding;
painter.setPen(Qt::NoPen);
painter.setBrush(Qt::black);
painter.setCompositionMode(QPainter::CompositionMode_DestinationOut);
painter.drawRoundedRect(
innerRect,
Metrics::Frame_FrameRadius + 0.5,
Metrics::Frame_FrameRadius + 0.5);
// Draw outline.
painter.setPen(withOpacity(internalSettings->shadowColor(), 0.2 * strength));
painter.setBrush(Qt::NoBrush);
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
painter.drawRoundedRect(
innerRect,
Metrics::Frame_FrameRadius - 0.5,
Metrics::Frame_FrameRadius - 0.5);
painter.end();
auto ret = QSharedPointer<KDecoration2::DecorationShadow>::create();
ret->setPadding(padding);
ret->setInnerShadowRect(QRect(outerRect.center(), QSize(1, 1)));
ret->setShadow(shadowTexture);
return ret;
}
//_________________________________________________________________
......
kdecoration/breezedecoration.h
View file @ 059ac0b7
......@@ -107,7 +107,8 @@ namespace Breeze
void createButtons();
void paintTitleBar(QPainter *painter, const QRect &repaintRegion);
void createShadow();
void updateShadow();
static QSharedPointer<KDecoration2::DecorationShadow> createShadowObject(const InternalSettingsPtr& internalSettings, const float strengthScale);
//*@name border size
//@{
......
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