kwin/effects/slidingpopups/slidingpopups.cpp
Vlad Zagorodniy 7785c19f11 [effects/slidingpopups] Use single QHash to store animations
Summary:
This patch intends to simplify "management" of animations and reduce
QHash abuse.

Reviewers: #kwin, davidedmundson

Reviewed By: #kwin, davidedmundson

Subscribers: kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D14096
2018-07-23 16:34:29 +03:00

475 lines
16 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009 Marco Martin notmart@gmail.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "slidingpopups.h"
#include "slidingpopupsconfig.h"
#include <QApplication>
#include <QFontMetrics>
#include <KWayland/Server/surface_interface.h>
#include <KWayland/Server/slide_interface.h>
#include <KWayland/Server/display.h>
namespace KWin
{
SlidingPopupsEffect::SlidingPopupsEffect()
{
initConfig<SlidingPopupsConfig>();
KWayland::Server::Display *display = effects->waylandDisplay();
if (display) {
display->createSlideManager(this)->create();
}
mSlideLength = QFontMetrics(qApp->font()).height() * 8;
mAtom = effects->announceSupportProperty("_KDE_SLIDE", this);
connect(effects, SIGNAL(windowAdded(KWin::EffectWindow*)), this, SLOT(slotWindowAdded(KWin::EffectWindow*)));
connect(effects, &EffectsHandler::windowClosed, this, &SlidingPopupsEffect::slideOut);
connect(effects, SIGNAL(windowDeleted(KWin::EffectWindow*)), this, SLOT(slotWindowDeleted(KWin::EffectWindow*)));
connect(effects, SIGNAL(propertyNotify(KWin::EffectWindow*,long)), this, SLOT(slotPropertyNotify(KWin::EffectWindow*,long)));
connect(effects, &EffectsHandler::windowShown, this, &SlidingPopupsEffect::slideIn);
connect(effects, &EffectsHandler::windowHidden, this, &SlidingPopupsEffect::slideOut);
connect(effects, &EffectsHandler::xcbConnectionChanged, this,
[this] {
mAtom = effects->announceSupportProperty(QByteArrayLiteral("_KDE_SLIDE"), this);
}
);
reconfigure(ReconfigureAll);
}
SlidingPopupsEffect::~SlidingPopupsEffect()
{
}
bool SlidingPopupsEffect::supported()
{
return effects->animationsSupported();
}
void SlidingPopupsEffect::reconfigure(ReconfigureFlags flags)
{
Q_UNUSED(flags)
SlidingPopupsConfig::self()->read();
mFadeInTime = std::chrono::milliseconds(
static_cast<int>(animationTime(SlidingPopupsConfig::slideInTime() != 0 ? SlidingPopupsConfig::slideInTime() : 150)));
mFadeOutTime = std::chrono::milliseconds(
static_cast<int>(animationTime(SlidingPopupsConfig::slideOutTime() != 0 ? SlidingPopupsConfig::slideOutTime() : 250)));
auto animationIt = m_animations.begin();
while (animationIt != m_animations.end()) {
const auto duration = ((*animationIt).kind == AnimationKind::In)
? mFadeInTime
: mFadeOutTime;
(*animationIt).timeLine.setDuration(duration);
++animationIt;
}
QHash< const EffectWindow*, Data >::iterator wIt = mWindowsData.begin();
while (wIt != mWindowsData.end()) {
wIt.value().fadeInDuration = mFadeInTime;
wIt.value().fadeOutDuration = mFadeOutTime;
++wIt;
}
}
void SlidingPopupsEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
{
auto animationIt = m_animations.find(w);
if (animationIt == m_animations.end()) {
effects->prePaintWindow(w, data, time);
return;
}
(*animationIt).timeLine.update(std::chrono::milliseconds(time));
data.setTransformed();
w->enablePainting(EffectWindow::PAINT_DISABLED | EffectWindow::PAINT_DISABLED_BY_DELETE);
const int start = mWindowsData[ w ].start;
if (start != 0) {
const QRect screenRect = effects->clientArea(FullScreenArea, w->screen(), effects->currentDesktop());
const QRect geo = w->expandedGeometry();
const qreal t = (*animationIt).timeLine.value();
// filter out window quads, but only if the window does not start from the edge
int slideLength;
if (mWindowsData[ w ].slideLength > 0) {
slideLength = mWindowsData[ w ].slideLength;
} else {
slideLength = mSlideLength;
}
switch(mWindowsData[ w ].from) {
case West: {
const double splitPoint = geo.width() - (geo.x() + geo.width() - screenRect.x() - start) + interpolate(qMin(geo.width(), slideLength), 0, t);
data.quads = data.quads.splitAtX(splitPoint);
WindowQuadList filtered;
filtered.reserve(data.quads.count());
for (const WindowQuad &quad : qAsConst(data.quads)) {
if (quad.left() >= splitPoint) {
filtered << quad;
}
}
data.quads = filtered;
break;
}
case North: {
const double splitPoint = geo.height() - (geo.y() + geo.height() - screenRect.y() - start) + interpolate(qMin(geo.height(), slideLength), 0, t);
data.quads = data.quads.splitAtY(splitPoint);
WindowQuadList filtered;
filtered.reserve(data.quads.count());
for (const WindowQuad &quad : qAsConst(data.quads)) {
if (quad.top() >= splitPoint) {
filtered << quad;
}
}
data.quads = filtered;
break;
}
case East: {
const double splitPoint = screenRect.x() + screenRect.width() - geo.x() - start - interpolate(qMin(geo.width(), slideLength), 0, t);
data.quads = data.quads.splitAtX(splitPoint);
WindowQuadList filtered;
filtered.reserve(data.quads.count());
for (const WindowQuad &quad : qAsConst(data.quads)) {
if (quad.right() <= splitPoint) {
filtered << quad;
}
}
data.quads = filtered;
break;
}
case South:
default: {
const double splitPoint = screenRect.y() + screenRect.height() - geo.y() - start - interpolate(qMin(geo.height(), slideLength), 0, t);
data.quads = data.quads.splitAtY(splitPoint);
WindowQuadList filtered;
filtered.reserve(data.quads.count());
for (const WindowQuad &quad : qAsConst(data.quads)) {
if (quad.bottom() <= splitPoint) {
filtered << quad;
}
}
data.quads = filtered;
break;
}
}
}
effects->prePaintWindow(w, data, time);
}
void SlidingPopupsEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
{
auto animationIt = m_animations.constFind(w);
if (animationIt == m_animations.constEnd()) {
effects->paintWindow(w, mask, region, data);
return;
}
const int start = mWindowsData[ w ].start;
int slideLength;
if (mWindowsData[ w ].slideLength > 0) {
slideLength = mWindowsData[ w ].slideLength;
} else {
slideLength = mSlideLength;
}
const QRect screenRect = effects->clientArea(FullScreenArea, w->screen(), w->desktop());
int splitPoint = 0;
const QRect geo = w->expandedGeometry();
const qreal t = (*animationIt).timeLine.value();
switch(mWindowsData[ w ].from) {
case West:
if (slideLength < geo.width()) {
data.multiplyOpacity(t);
}
data.translate(-interpolate(qMin(geo.width(), slideLength), 0.0, t));
splitPoint = geo.width() - (geo.x() + geo.width() - screenRect.x() - start);
region = QRegion(geo.x() + splitPoint, geo.y(), geo.width() - splitPoint, geo.height());
break;
case North:
if (slideLength < geo.height()) {
data.multiplyOpacity(t);
}
data.translate(0.0, -interpolate(qMin(geo.height(), slideLength), 0.0, t));
splitPoint = geo.height() - (geo.y() + geo.height() - screenRect.y() - start);
region = QRegion(geo.x(), geo.y() + splitPoint, geo.width(), geo.height() - splitPoint);
break;
case East:
if (slideLength < geo.width()) {
data.multiplyOpacity(t);
}
data.translate(interpolate(qMin(geo.width(), slideLength), 0.0, t));
splitPoint = screenRect.x() + screenRect.width() - geo.x() - start;
region = QRegion(geo.x(), geo.y(), splitPoint, geo.height());
break;
case South:
default:
if (slideLength < geo.height()) {
data.multiplyOpacity(t);
}
data.translate(0.0, interpolate(qMin(geo.height(), slideLength), 0.0, t));
splitPoint = screenRect.y() + screenRect.height() - geo.y() - start;
region = QRegion(geo.x(), geo.y(), geo.width(), splitPoint);
}
effects->paintWindow(w, mask, region, data);
}
void SlidingPopupsEffect::postPaintWindow(EffectWindow* w)
{
auto animationIt = m_animations.find(w);
if (animationIt != m_animations.end()) {
if ((*animationIt).timeLine.done()) {
if (w->isDeleted()) {
w->unrefWindow();
} else {
w->setData(WindowForceBackgroundContrastRole, QVariant());
w->setData(WindowForceBlurRole, QVariant());
}
m_animations.erase(animationIt);
}
w->addRepaintFull();
}
effects->postPaintWindow(w);
}
void SlidingPopupsEffect::slotWindowAdded(EffectWindow *w)
{
//X11
if (mAtom != XCB_ATOM_NONE) {
slotPropertyNotify(w, mAtom);
}
//Wayland
if (auto surf = w->surface()) {
slotWaylandSlideOnShowChanged(w);
connect(surf, &KWayland::Server::SurfaceInterface::slideOnShowHideChanged, this, [this, surf] {
slotWaylandSlideOnShowChanged(effects->findWindow(surf));
});
}
slideIn(w);
}
void SlidingPopupsEffect::slotWindowDeleted(EffectWindow* w)
{
m_animations.remove(w);
mWindowsData.remove(w);
effects->addRepaint(w->expandedGeometry());
}
void SlidingPopupsEffect::slotPropertyNotify(EffectWindow* w, long a)
{
if (!w || a != mAtom || mAtom == XCB_ATOM_NONE)
return;
QByteArray data = w->readProperty(mAtom, mAtom, 32);
if (data.length() < 1) {
// Property was removed, thus also remove the effect for window
if (w->data(WindowClosedGrabRole).value<void *>() == this) {
w->setData(WindowClosedGrabRole, QVariant());
}
m_animations.remove(w);
mWindowsData.remove(w);
return;
}
auto* d = reinterpret_cast< uint32_t* >(data.data());
Data animData;
animData.start = d[ 0 ];
animData.from = (Position)d[ 1 ];
//custom duration
animData.slideLength = 0;
if (data.length() >= (int)(sizeof(uint32_t) * 3)) {
animData.fadeInDuration = std::chrono::milliseconds(d[2]);
if (data.length() >= (int)(sizeof(uint32_t) * 4))
//custom fadein
animData.fadeOutDuration = std::chrono::milliseconds(d[3]);
else
//custom fadeout
animData.fadeOutDuration = std::chrono::milliseconds(d[2]);
//do we want an actual slide?
if (data.length() >= (int)(sizeof(uint32_t) * 5))
animData.slideLength = d[4];
} else {
animData.fadeInDuration = mFadeInTime;
animData.fadeOutDuration = mFadeOutTime;
}
mWindowsData[ w ] = animData;
setupAnimData(w);
}
void SlidingPopupsEffect::setupAnimData(EffectWindow *w)
{
const QRect screenRect = effects->clientArea(FullScreenArea, w->screen(), effects->currentDesktop());
const QRect windowGeo = w->geometry();
if (mWindowsData[w].start == -1) {
switch (mWindowsData[w].from) {
case West:
mWindowsData[w].start = qMax(windowGeo.left() - screenRect.left(), 0);
break;
case North:
mWindowsData[w].start = qMax(windowGeo.top() - screenRect.top(), 0);
break;
case East:
mWindowsData[w].start = qMax(screenRect.right() - windowGeo.right(), 0);
break;
case South:
default:
mWindowsData[w].start = qMax(screenRect.bottom() - windowGeo.bottom(), 0);
break;
}
}
// sanitize
int difference = 0;
switch (mWindowsData[w].from) {
case West:
mWindowsData[w].start = qMax(windowGeo.left() - screenRect.left(), mWindowsData[w].start);
break;
case North:
mWindowsData[w].start = qMax(windowGeo.top() - screenRect.top(), mWindowsData[w].start);
break;
case East:
mWindowsData[w].start = qMax(screenRect.right() - windowGeo.right(), mWindowsData[w].start);
break;
case South:
default:
mWindowsData[w].start = qMax(screenRect.bottom() - windowGeo.bottom(), mWindowsData[w].start);
break;
}
// Grab the window, so other windowClosed effects will ignore it
w->setData(WindowClosedGrabRole, QVariant::fromValue(static_cast<void*>(this)));
}
void SlidingPopupsEffect::slotWaylandSlideOnShowChanged(EffectWindow* w)
{
if (!w) {
return;
}
KWayland::Server::SurfaceInterface *surf = w->surface();
if (!surf) {
return;
}
if (surf->slideOnShowHide()) {
Data animData;
animData.start = surf->slideOnShowHide()->offset();
switch (surf->slideOnShowHide()->location()) {
case KWayland::Server::SlideInterface::Location::Top:
animData.from = North;
break;
case KWayland::Server::SlideInterface::Location::Left:
animData.from = West;
break;
case KWayland::Server::SlideInterface::Location::Right:
animData.from = East;
break;
case KWayland::Server::SlideInterface::Location::Bottom:
default:
animData.from = South;
break;
}
animData.slideLength = 0;
animData.fadeInDuration = mFadeInTime;
animData.fadeOutDuration = mFadeOutTime;
mWindowsData[ w ] = animData;
setupAnimData(w);
}
}
void SlidingPopupsEffect::slideIn(EffectWindow *w)
{
if (effects->activeFullScreenEffect()) {
return;
}
if (!w->isVisible()) {
return;
}
auto dataIt = mWindowsData.constFind(w);
if (dataIt == mWindowsData.constEnd()) {
return;
}
Animation &animation = m_animations[w];
animation.kind = AnimationKind::In;
animation.timeLine.reset();
animation.timeLine.setDirection(TimeLine::Forward);
animation.timeLine.setDuration((*dataIt).fadeInDuration);
animation.timeLine.setEasingCurve(QEasingCurve::InOutSine);
w->setData(WindowAddedGrabRole, QVariant::fromValue(static_cast<void*>(this)));
w->setData(WindowForceBackgroundContrastRole, QVariant(true));
w->setData(WindowForceBlurRole, QVariant(true));
w->addRepaintFull();
}
void SlidingPopupsEffect::slideOut(EffectWindow *w)
{
if (effects->activeFullScreenEffect()) {
return;
}
if (!w->isVisible()) {
return;
}
auto dataIt = mWindowsData.constFind(w);
if (dataIt == mWindowsData.constEnd()) {
return;
}
if (w->isDeleted()) {
w->refWindow();
}
Animation &animation = m_animations[w];
animation.kind = AnimationKind::Out;
animation.timeLine.reset();
animation.timeLine.setDirection(TimeLine::Backward);
animation.timeLine.setDuration((*dataIt).fadeOutDuration);
animation.timeLine.setEasingCurve(QEasingCurve::InOutSine);
w->setData(WindowClosedGrabRole, QVariant::fromValue(static_cast<void*>(this)));
w->setData(WindowForceBackgroundContrastRole, QVariant(true));
w->setData(WindowForceBlurRole, QVariant(true));
w->addRepaintFull();
}
bool SlidingPopupsEffect::isActive() const
{
return !m_animations.isEmpty();
}
} // namespace