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mirror of https://github.com/KDE/latte-dock.git synced 2025-01-06 21:18:11 +03:00
latte-dock/app/view/effects.cpp
2022-07-13 12:25:46 +03:00

761 lines
22 KiB
C++

/*
SPDX-FileCopyrightText: 2018 Michail Vourlakos <mvourlakos@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "effects.h"
// local
#include <config-latte.h>
#include <coretypes.h>
#include "panelshadows_p.h"
#include "view.h"
#include "../lattecorona.h"
#include "../wm/abstractwindowinterface.h"
// Qt
#include <QRegion>
// KDE
#include <KWindowEffects>
#include <KWindowSystem>
namespace Latte {
namespace ViewPart {
Effects::Effects(Latte::View *parent)
: QObject(parent),
m_view(parent)
{
m_corona = qobject_cast<Latte::Corona *>(m_view->corona());
init();
}
Effects::~Effects()
{
}
void Effects::init()
{
connect(this, &Effects::backgroundOpacityChanged, this, &Effects::updateEffects);
connect(this, &Effects::backgroundOpacityChanged, this, &Effects::updateBackgroundContrastValues);
connect(this, &Effects::backgroundCornersMaskChanged, this, &Effects::updateEffects);
connect(this, &Effects::backgroundRadiusEnabledChanged, this, &Effects::updateEffects);
connect(this, &Effects::drawEffectsChanged, this, &Effects::updateEffects);
connect(this, &Effects::enabledBordersChanged, this, &Effects::updateEffects);
connect(this, &Effects::rectChanged, this, &Effects::updateEffects);
connect(this, &Effects::backgroundCornersMaskChanged, this, &Effects::updateMask);
connect(this, &Effects::backgroundRadiusEnabledChanged, this, &Effects::updateMask);
connect(this, &Effects::subtractedMaskRegionsChanged, this, &Effects::updateMask);
connect(this, &Effects::unitedMaskRegionsChanged, this, &Effects::updateMask);
connect(m_view, &QQuickWindow::widthChanged, this, &Effects::updateMask);
connect(m_view, &QQuickWindow::heightChanged, this, &Effects::updateMask);
connect(m_view, &Latte::View::behaveAsPlasmaPanelChanged, this, &Effects::updateMask);
connect(KWindowSystem::self(), &KWindowSystem::compositingChanged, this, [&]() {
if (!KWindowSystem::compositingActive() && !m_view->behaveAsPlasmaPanel()) {
setMask(m_rect);
}
updateMask();
});
connect(this, &Effects::rectChanged, this, [&]() {
if (!KWindowSystem::compositingActive() && !m_view->behaveAsPlasmaPanel()) {
setMask(m_rect);
}
});
connect(this, &Effects::backgroundRadiusChanged, this, &Effects::updateBackgroundCorners);
connect(this, &Effects::drawShadowsChanged, this, [&]() {
if (m_view->behaveAsPlasmaPanel()) {
updateEnabledBorders();
}
});
connect(this, &Effects::backgroundAllCornersChanged, this, &Effects::updateEnabledBorders);
connect(this, &Effects::popUpMarginChanged, this, &Effects::onPopUpMarginChanged);
connect(m_view, &Latte::View::alignmentChanged, this, &Effects::updateEnabledBorders);
connect(m_view, &Latte::View::maxLengthChanged, this, &Effects::updateEnabledBorders);
connect(m_view, &Latte::View::offsetChanged, this, &Effects::updateEnabledBorders);
connect(m_view, &Latte::View::screenEdgeMarginEnabledChanged, this, &Effects::updateEnabledBorders);
connect(m_view, &Latte::View::behaveAsPlasmaPanelChanged, this, &Effects::updateEffects);
connect(this, &Effects::drawShadowsChanged, this, &Effects::updateShadows);
connect(m_view, &Latte::View::behaveAsPlasmaPanelChanged, this, &Effects::updateShadows);
connect(m_view, &Latte::View::configWindowGeometryChanged, this, &Effects::updateMask);
connect(m_view, &Latte::View::layoutChanged, this, &Effects::onPopUpMarginChanged);
connect(&m_theme, &Plasma::Theme::themeChanged, this, [&]() {
updateBackgroundContrastValues();
updateEffects();
});
}
bool Effects::animationsBlocked() const
{
return m_animationsBlocked;
}
void Effects::setAnimationsBlocked(bool blocked)
{
if (m_animationsBlocked == blocked) {
return;
}
m_animationsBlocked = blocked;
emit animationsBlockedChanged();
}
bool Effects::backgroundAllCorners() const
{
return m_backgroundAllCorners;
}
void Effects::setBackgroundAllCorners(bool allcorners)
{
if (m_backgroundAllCorners == allcorners) {
return;
}
m_backgroundAllCorners = allcorners;
emit backgroundAllCornersChanged();
}
bool Effects::backgroundRadiusEnabled() const
{
return m_backgroundRadiusEnabled;
}
void Effects::setBackgroundRadiusEnabled(bool enabled)
{
if (m_backgroundRadiusEnabled == enabled) {
return;
}
m_backgroundRadiusEnabled = enabled;
emit backgroundRadiusEnabledChanged();
}
bool Effects::drawShadows() const
{
return m_drawShadows;
}
void Effects::setDrawShadows(bool draw)
{
if (m_drawShadows == draw) {
return;
}
m_drawShadows = draw;
emit drawShadowsChanged();
}
bool Effects::drawEffects() const
{
return m_drawEffects;
}
void Effects::setDrawEffects(bool draw)
{
if (m_drawEffects == draw) {
return;
}
m_drawEffects = draw;
emit drawEffectsChanged();
}
void Effects::setForceBottomBorder(bool draw)
{
if (m_forceBottomBorder == draw) {
return;
}
m_forceBottomBorder = draw;
updateEnabledBorders();
}
void Effects::setForceTopBorder(bool draw)
{
if (m_forceTopBorder == draw) {
return;
}
m_forceTopBorder = draw;
updateEnabledBorders();
}
int Effects::backgroundRadius()
{
return m_backgroundRadius;
}
void Effects::setBackgroundRadius(const int &radius)
{
if (m_backgroundRadius == radius) {
return;
}
m_backgroundRadius = radius;
emit backgroundRadiusChanged();
}
float Effects::backgroundOpacity() const
{
return m_backgroundOpacity;
}
void Effects::setBackgroundOpacity(float opacity)
{
if (m_backgroundOpacity == opacity) {
return;
}
m_backgroundOpacity = opacity;
updateBackgroundContrastValues();
emit backgroundOpacityChanged();
}
int Effects::editShadow() const
{
return m_editShadow;
}
void Effects::setEditShadow(int shadow)
{
if (m_editShadow == shadow) {
return;
}
m_editShadow = shadow;
emit editShadowChanged();
}
int Effects::innerShadow() const
{
return m_innerShadow;
}
void Effects::setInnerShadow(int shadow)
{
if (m_innerShadow == shadow)
return;
m_innerShadow = shadow;
emit innerShadowChanged();
}
int Effects::popUpMargin() const
{
return m_view->layout() ? m_view->layout()->popUpMargin() : -1/*default*/;
}
QRect Effects::rect() const
{
return m_rect;
}
void Effects::setRect(QRect area)
{
if (m_rect == area) {
return;
}
m_rect = area;
emit rectChanged();
}
QRect Effects::mask() const
{
return m_mask;
}
void Effects::setMask(QRect area)
{
if (m_mask == area)
return;
m_mask = area;
updateMask();
// qDebug() << "dock mask set:" << m_mask;
emit maskChanged();
}
QRect Effects::inputMask() const
{
return m_inputMask;
}
void Effects::setInputMask(QRect area)
{
if (m_inputMask == area) {
return;
}
m_inputMask = area;
if (KWindowSystem::isPlatformX11()) {
if (m_view->devicePixelRatio() != 1.0) {
//!Fix for X11 Global Scale
auto ratio = m_view->devicePixelRatio();
area = QRect(qRound(area.x() * ratio),
qRound(area.y() * ratio),
qRound(area.width()*ratio),
qRound(area.height() * ratio));
}
m_corona->wm()->setInputMask(m_view, area);
} else {
//under wayland mask() is providing the Input Area
m_view->setMask(area);
}
emit inputMaskChanged();
}
QRect Effects::appletsLayoutGeometry() const
{
return m_appletsLayoutGeometry;
}
void Effects::setAppletsLayoutGeometry(const QRect &geom)
{
if (m_appletsLayoutGeometry == geom) {
return;
}
m_appletsLayoutGeometry = geom;
m_view->setProperty("_applets_layout_geometry", QVariant(m_appletsLayoutGeometry));
emit appletsLayoutGeometryChanged();
}
QQuickItem *Effects::panelBackgroundSvg() const
{
return m_panelBackgroundSvg;
}
void Effects::setPanelBackgroundSvg(QQuickItem *quickitem)
{
if (m_panelBackgroundSvg == quickitem) {
return;
}
m_panelBackgroundSvg = quickitem;
emit panelBackgroundSvgChanged();
}
void Effects::onPopUpMarginChanged()
{
m_view->setProperty("_applets_popup_margin", QVariant(popUpMargin()));
}
void Effects::forceMaskRedraw()
{
updateMask();
}
void Effects::setSubtractedMaskRegion(const QString &regionid, const QRegion &region)
{
if (m_subtractedMaskRegions.contains(regionid) && m_subtractedMaskRegions[regionid] == region) {
return;
}
m_subtractedMaskRegions[regionid] = region;
emit subtractedMaskRegionsChanged();
}
void Effects::removeSubtractedMaskRegion(const QString &regionid)
{
if (!m_subtractedMaskRegions.contains(regionid)) {
return;
}
m_subtractedMaskRegions.remove(regionid);
emit subtractedMaskRegionsChanged();
}
void Effects::setUnitedMaskRegion(const QString &regionid, const QRegion &region)
{
if (m_unitedMaskRegions.contains(regionid) && m_unitedMaskRegions[regionid] == region) {
return;
}
m_unitedMaskRegions[regionid] = region;
emit unitedMaskRegionsChanged();
}
void Effects::removeUnitedMaskRegion(const QString &regionid)
{
if (!m_unitedMaskRegions.contains(regionid)) {
return;
}
m_unitedMaskRegions.remove(regionid);
emit unitedMaskRegionsChanged();
}
QRegion Effects::customMask(const QRect &rect)
{
QRegion result = rect;
int dx = rect.right() - m_cornersMaskRegion.topLeft.boundingRect().width() + 1;
int dy = rect.bottom() - m_cornersMaskRegion.topLeft.boundingRect().height() + 1;
if (m_hasTopLeftCorner) {
QRegion tl = m_cornersMaskRegion.topLeft;
tl.translate(rect.x(), rect.y());
result = result.subtracted(tl);
}
if (m_hasTopRightCorner) {
QRegion tr = m_cornersMaskRegion.topRight;
tr.translate(rect.x() + dx, rect.y());
result = result.subtracted(tr);
}
if (m_hasBottomRightCorner) {
QRegion br = m_cornersMaskRegion.bottomRight;
br.translate(rect.x() + dx, rect.y() + dy);
result = result.subtracted(br);
}
if (m_hasBottomLeftCorner) {
QRegion bl = m_cornersMaskRegion.bottomLeft;
bl.translate(rect.x(), rect.y() + dy);
result = result.subtracted(bl);
}
return result;
}
QRegion Effects::maskCombinedRegion()
{
QRegion region = m_mask;
for(auto subregion : m_subtractedMaskRegions) {
region = region.subtracted(subregion);
}
for(auto subregion : m_unitedMaskRegions) {
region = region.united(subregion);
}
return region;
}
void Effects::updateBackgroundCorners()
{
if (m_backgroundRadius<0) {
return;
}
m_corona->themeExtended()->cornersMask(m_backgroundRadius);
m_cornersMaskRegion = m_corona->themeExtended()->cornersMask(m_backgroundRadius);
emit backgroundCornersMaskChanged();
}
void Effects::updateMask()
{
if (KWindowSystem::compositingActive()) {
if (KWindowSystem::isPlatformX11()) {
if (m_view->behaveAsPlasmaPanel()) {
// set as NULL in order for plasma framrworks to identify NULL Mask properly
m_view->setMask(QRect(-1, -1, 0, 0));
} else {
m_view->setMask(QRect(0, 0, m_view->width(), m_view->height()));
}
} else {
// under wayland do nothing
}
} else {
QRegion fixedMask;
QRect maskRect = m_view->behaveAsPlasmaPanel() ? QRect(0,0, m_view->width(), m_view->height()) : m_mask;
if (m_backgroundRadiusEnabled) {
//! CustomBackground way
fixedMask = customMask(QRect(0,0,maskRect.width(), maskRect.height()));
} else {
//! Plasma::Theme way
//! this is used when compositing is disabled and provides
//! the correct way for the mask to be painted in order for
//! rounded corners to be shown correctly
//! the enabledBorders check was added because there was cases
//! that the mask region wasn't calculated correctly after location changes
if (!m_panelBackgroundSvg) {
return;
}
const QVariant maskProperty = m_panelBackgroundSvg->property("mask");
if (static_cast<QMetaType::Type>(maskProperty.type()) == QMetaType::QRegion) {
fixedMask = maskProperty.value<QRegion>();
}
}
fixedMask.translate(maskRect.x(), maskRect.y());
//! fix for KF5.32 that return empty QRegion's for the mask
if (fixedMask.isEmpty()) {
fixedMask = QRegion(maskRect);
}
m_view->setMask(fixedMask);
}
}
void Effects::clearShadows()
{
PanelShadows::self()->removeWindow(m_view);
}
void Effects::updateShadows()
{
if (m_view->behaveAsPlasmaPanel() && drawShadows()) {
PanelShadows::self()->addWindow(m_view, enabledBorders());
} else {
PanelShadows::self()->removeWindow(m_view);
}
}
void Effects::updateEffects()
{
//! Don't apply any effect before the wayland surface is created under wayland
//! https://bugs.kde.org/show_bug.cgi?id=392890
if (KWindowSystem::isPlatformWayland() && !m_view->surface()) {
return;
}
bool clearEffects{true};
if (m_drawEffects) {
if (!m_view->behaveAsPlasmaPanel()) {
if (!m_rect.isNull() && !m_rect.isEmpty() && m_rect != VisibilityManager::ISHIDDENMASK) {
QRegion backMask;
if (m_backgroundRadiusEnabled) {
//! CustomBackground way
backMask = customMask(QRect(0,0,m_rect.width(), m_rect.height()));
} else {
//! Plasma::Theme way
//! this is used when compositing is disabled and provides
//! the correct way for the mask to be painted in order for
//! rounded corners to be shown correctly
if (!m_panelBackgroundSvg) {
return;
}
if (m_rect == VisibilityManager::ISHIDDENMASK) {
clearEffects = true;
} else {
const QVariant maskProperty = m_panelBackgroundSvg->property("mask");
if (static_cast<QMetaType::Type>(maskProperty.type()) == QMetaType::QRegion) {
backMask = maskProperty.value<QRegion>();
}
}
}
//! adjust mask coordinates based on local coordinates
int fX = m_rect.x(); int fY = m_rect.y();
//! Latte is now using GtkFrameExtents so Effects geometries must be adjusted
//! windows that use GtkFrameExtents and apply Effects on them they take GtkFrameExtents
//! as granted
if (KWindowSystem::isPlatformX11() && !m_view->byPassWM()) {
if (m_view->location() == Plasma::Types::BottomEdge) {
fY = qMax(0, fY - m_view->headThicknessGap());
} else if (m_view->location() == Plasma::Types::RightEdge) {
fX = qMax(0, fX - m_view->headThicknessGap());
}
}
//! There are cases that mask is NULL even though it should not
//! Example: SidebarOnDemand from v0.10 that BEHAVEASPLASMAPANEL in EditMode
//! switching multiple times between inConfigureAppletsMode and LiveEditMode
//! is such a case
QRegion fixedMask;
if (!backMask.isNull()) {
fixedMask = backMask;
fixedMask.translate(fX, fY);
} else {
fixedMask = QRect(fX, fY, m_rect.width(), m_rect.height());
}
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);
}
}
} else {
//! BEHAVEASPLASMAPANEL case
clearEffects = false;
KWindowEffects::enableBlurBehind(m_view->winId(), true);
KWindowEffects::enableBackgroundContrast(m_view->winId(),
m_theme.backgroundContrastEnabled(),
m_backEffectContrast,
m_backEffectIntesity,
m_backEffectSaturation);
}
}
if (clearEffects) {
KWindowEffects::enableBlurBehind(m_view->winId(), false);
KWindowEffects::enableBackgroundContrast(m_view->winId(), false);
}
}
//!BEGIN draw panel shadows outside the dock window
Plasma::FrameSvg::EnabledBorders Effects::enabledBorders() const
{
return m_enabledBorders;
}
qreal Effects::currentMidValue(const qreal &max, const qreal &factor, const qreal &min) const
{
if (max==min || factor==0) {
return min;
}
qreal space = 0;
qreal distance = 0;
if (max<min) {
space = min-max;
distance = factor*space;
return 1-distance;
} else {
space = max-min;
distance = factor*space;
return 1+distance;
}
}
void Effects::updateBackgroundContrastValues()
{
if (!m_theme.backgroundContrastEnabled()) {
m_backEffectContrast = 1.0;
m_backEffectIntesity = 1.0;
m_backEffectSaturation = 1.0;
return;
}
if (m_backgroundOpacity == -1 /*Default plasma opacity option*/) {
m_backEffectContrast = m_theme.backgroundContrast();
m_backEffectIntesity = m_theme.backgroundIntensity();
m_backEffectSaturation = m_theme.backgroundSaturation();
} else {
m_backEffectContrast = currentMidValue(m_theme.backgroundContrast(), m_backgroundOpacity, 1);
m_backEffectIntesity = currentMidValue(m_theme.backgroundIntensity(), m_backgroundOpacity, 1);
m_backEffectSaturation = currentMidValue(m_theme.backgroundSaturation(), m_backgroundOpacity, 1);
}
}
void Effects::updateEnabledBorders()
{
if (!m_view->screen()) {
return;
}
Plasma::FrameSvg::EnabledBorders borders = Plasma::FrameSvg::AllBorders;
if (!m_view->screenEdgeMarginEnabled() && !m_backgroundAllCorners) {
switch (m_view->location()) {
case Plasma::Types::TopEdge:
borders &= ~Plasma::FrameSvg::TopBorder;
break;
case Plasma::Types::LeftEdge:
borders &= ~Plasma::FrameSvg::LeftBorder;
break;
case Plasma::Types::RightEdge:
borders &= ~Plasma::FrameSvg::RightBorder;
break;
case Plasma::Types::BottomEdge:
borders &= ~Plasma::FrameSvg::BottomBorder;
break;
default:
break;
}
}
if (!m_backgroundAllCorners) {
if ((m_view->location() == Plasma::Types::LeftEdge || m_view->location() == Plasma::Types::RightEdge)) {
if (m_view->maxLength() == 1 && m_view->alignment() == Latte::Types::Justify) {
if (!m_forceTopBorder) {
borders &= ~Plasma::FrameSvg::TopBorder;
}
if (!m_forceBottomBorder) {
borders &= ~Plasma::FrameSvg::BottomBorder;
}
}
if (m_view->alignment() == Latte::Types::Top && !m_forceTopBorder && m_view->offset() == 0) {
borders &= ~Plasma::FrameSvg::TopBorder;
}
if (m_view->alignment() == Latte::Types::Bottom && !m_forceBottomBorder && m_view->offset() == 0) {
borders &= ~Plasma::FrameSvg::BottomBorder;
}
}
if (m_view->location() == Plasma::Types::TopEdge || m_view->location() == Plasma::Types::BottomEdge) {
if (m_view->maxLength() == 1 && m_view->alignment() == Latte::Types::Justify) {
borders &= ~Plasma::FrameSvg::LeftBorder;
borders &= ~Plasma::FrameSvg::RightBorder;
}
if (m_view->alignment() == Latte::Types::Left && m_view->offset() == 0) {
borders &= ~Plasma::FrameSvg::LeftBorder;
}
if (m_view->alignment() == Latte::Types::Right && m_view->offset() == 0) {
borders &= ~Plasma::FrameSvg::RightBorder;
}
}
}
m_hasTopLeftCorner = (borders == Plasma::FrameSvg::AllBorders) || ((borders & Plasma::FrameSvg::TopBorder) && (borders & Plasma::FrameSvg::LeftBorder));
m_hasTopRightCorner = (borders == Plasma::FrameSvg::AllBorders) || ((borders & Plasma::FrameSvg::TopBorder) && (borders & Plasma::FrameSvg::RightBorder));
m_hasBottomLeftCorner = (borders == Plasma::FrameSvg::AllBorders) || ((borders & Plasma::FrameSvg::BottomBorder) && (borders & Plasma::FrameSvg::LeftBorder));
m_hasBottomRightCorner = (borders == Plasma::FrameSvg::AllBorders) || ((borders & Plasma::FrameSvg::BottomBorder) && (borders & Plasma::FrameSvg::RightBorder));
if (m_enabledBorders != borders) {
m_enabledBorders = borders;
emit enabledBordersChanged();
}
if (!m_view->behaveAsPlasmaPanel() || !m_drawShadows) {
PanelShadows::self()->removeWindow(m_view);
} else {
PanelShadows::self()->setEnabledBorders(m_view, borders);
}
}
//!END draw panel shadows outside the dock window
}
}