502 lines
18 KiB
C++
502 lines
18 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2011 Thomas Lübking <thomas.luebking@web.de>
|
|
|
|
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 "kwinanimationeffect.h"
|
|
#include "anidata_p.h"
|
|
|
|
#include <QTime>
|
|
#include <QTimer>
|
|
|
|
namespace KWin {
|
|
struct AnimationEffectPrivate {
|
|
public:
|
|
AnimationEffectPrivate() { m_animated = false; }
|
|
AnimationEffect::AniMap m_animations;
|
|
EffectWindowList m_zombies;
|
|
bool m_animated;
|
|
};
|
|
}
|
|
|
|
using namespace KWin;
|
|
|
|
AnimationEffect::AnimationEffect() : d_ptr(new AnimationEffectPrivate())
|
|
{
|
|
Q_D(AnimationEffect);
|
|
d->m_animated = false;
|
|
/* this is the same as the QTimer::singleShot(0, SLOT(init())) kludge
|
|
* defering the init and esp. the connection to the windowClosed slot */
|
|
QMetaObject::invokeMethod( this, "init", Qt::QueuedConnection );
|
|
}
|
|
|
|
void AnimationEffect::init()
|
|
{
|
|
/* by connecting the signal from a slot AFTER the inheriting class constructor had the chance to
|
|
* connect it we can provide auto-referencing of animated and closed windows, since at the time
|
|
* our slot will be called, the slot of the subclass has been (SIGNAL/SLOT connections are FIFO)
|
|
* and has pot. started an animation so we have the window in our hash :) */
|
|
connect ( effects, SIGNAL(windowClosed(KWin::EffectWindow*)), SLOT(_windowClosed(KWin::EffectWindow*)) );
|
|
connect ( effects, SIGNAL(windowDeleted(KWin::EffectWindow*)), SLOT(_windowDeleted(KWin::EffectWindow*)) );
|
|
}
|
|
|
|
bool AnimationEffect::isActive() const
|
|
{
|
|
Q_D(const AnimationEffect);
|
|
return !d->m_animations.isEmpty();
|
|
}
|
|
|
|
|
|
#define RELATIVE_XY(_FIELD_) const bool relative[2] = { metaData(Relative##_FIELD_##X, meta), metaData(Relative##_FIELD_##Y, meta) }
|
|
|
|
void AnimationEffect::animate( EffectWindow *w, Attribute a, uint meta, int ms, FPx2 to, QEasingCurve curve, int delay, FPx2 from )
|
|
{
|
|
const bool waitAtSource = from.isValid();
|
|
if (a < NonFloatBase) {
|
|
if (a == Scale) {
|
|
QRect area = effects->clientArea(ScreenArea , w);
|
|
if (from.isValid()) {
|
|
RELATIVE_XY(Source);
|
|
from.set( relative[0] ? from[0] * area.width() / w->width() : from[0],
|
|
relative[1] ? from[1] * area.height() / w->height() : from[1] );
|
|
}
|
|
if (to.isValid()) {
|
|
RELATIVE_XY(Target);
|
|
to.set( relative[0] ? to[0] * area.width() / w->width() : to[0],
|
|
relative[1] ? to[1] * area.height() / w->height() : to[1] );
|
|
}
|
|
} else if (a == Rotation) {
|
|
if (!from.isValid()) {
|
|
setMetaData( SourceAnchor, metaData(TargetAnchor, meta), meta );
|
|
from.set(0.0,0.0);
|
|
}
|
|
if (!to.isValid()) {
|
|
setMetaData( TargetAnchor, metaData(SourceAnchor, meta), meta );
|
|
to.set(0.0,0.0);
|
|
}
|
|
}
|
|
if (!from.isValid())
|
|
from.set(1.0,1.0);
|
|
if (!to.isValid())
|
|
to.set(1.0,1.0);
|
|
|
|
|
|
} else if (a == Position) {
|
|
QRect area = effects->clientArea(ScreenArea , w);
|
|
QPoint pt = w->geometry().bottomRight(); // cannot be < 0 ;-)
|
|
if (from.isValid()) {
|
|
RELATIVE_XY(Source);
|
|
from.set( relative[0] ? area.x() + from[0] * area.width() : from[0],
|
|
relative[1] ? area.y() + from[1] * area.height() : from[1] );
|
|
} else {
|
|
from.set(pt.x(), pt.y());
|
|
setMetaData( SourceAnchor, AnimationEffect::Bottom|AnimationEffect::Right, meta );
|
|
}
|
|
|
|
if (to.isValid()) {
|
|
RELATIVE_XY(Target);
|
|
to.set( relative[0] ? area.x() + to[0] * area.width() : to[0],
|
|
relative[1] ? area.y() + to[1] * area.height() : to[1] );
|
|
} else {
|
|
to.set(pt.x(), pt.y());
|
|
setMetaData( TargetAnchor, AnimationEffect::Bottom|AnimationEffect::Right, meta );
|
|
}
|
|
|
|
|
|
} else if (a == Size) {
|
|
QRect area = effects->clientArea(ScreenArea , w);
|
|
if (from.isValid()) {
|
|
RELATIVE_XY(Source);
|
|
from.set( relative[0] ? from[0] * area.width() : from[0],
|
|
relative[1] ? from[1] * area.height() : from[1] );
|
|
}
|
|
else
|
|
from.set(w->width(), w->height());
|
|
|
|
if (to.isValid()) {
|
|
RELATIVE_XY(Target);
|
|
to.set( relative[0] ? to[0] * area.width() : to[0],
|
|
relative[1] ? to[1] * area.height() : to[1] );
|
|
}
|
|
else
|
|
from.set(w->width(), w->height());
|
|
|
|
|
|
} else if (a == Translation) {
|
|
QRect area = w->rect();
|
|
if (from.isValid()) {
|
|
RELATIVE_XY(Source);
|
|
from.set( relative[0] ? from[0] * area.width() : from[0],
|
|
relative[1] ? from[1] * area.height() : from[1] );
|
|
} else
|
|
from.set(0.0, 0.0);
|
|
|
|
if (to.isValid()) {
|
|
RELATIVE_XY(Target);
|
|
to.set( relative[0] ? to[0] * area.width() : to[0],
|
|
relative[1] ? to[1] * area.height() : to[1] );
|
|
} else
|
|
to.set(0.0, 0.0);
|
|
}
|
|
|
|
Q_D(AnimationEffect);
|
|
AniMap::iterator it = d->m_animations.find(w);
|
|
if (it == d->m_animations.end())
|
|
it = d->m_animations.insert(w, QList<AniData>());
|
|
it->append(AniData(a, meta, ms, to, curve, delay, from, waitAtSource));
|
|
|
|
if (delay > 0)
|
|
QTimer::singleShot(delay, this, SLOT(triggerRepaint()));
|
|
else
|
|
triggerRepaint();
|
|
}
|
|
|
|
void AnimationEffect::prePaintScreen( ScreenPrePaintData& data, int time )
|
|
{
|
|
Q_D(AnimationEffect);
|
|
if (d->m_animations.isEmpty()) {
|
|
effects->prePaintScreen(data, time);
|
|
return;
|
|
}
|
|
|
|
AniMap::iterator entry = d->m_animations.begin();
|
|
d->m_animated = false;
|
|
while (entry != d->m_animations.end()) {
|
|
QList<AniData>::iterator anim = entry->begin();
|
|
while (anim != entry->end()) {
|
|
if (QTime::currentTime() < anim->startTime) {
|
|
if (!anim->waitAtSource) {
|
|
++anim;
|
|
continue;
|
|
}
|
|
} else
|
|
anim->addTime(time);
|
|
|
|
if (anim->time < anim->duration) {
|
|
d->m_animated = true;
|
|
++anim;
|
|
}
|
|
else {
|
|
animationEnded(entry.key(), anim->attribute);
|
|
anim = entry->erase(anim);
|
|
}
|
|
}
|
|
if (entry->isEmpty()) {
|
|
const int i = d->m_zombies.indexOf(entry.key());
|
|
if ( i > -1 ) {
|
|
d->m_zombies.removeAt( i );
|
|
entry.key()->unrefWindow();
|
|
}
|
|
entry = d->m_animations.erase(entry);
|
|
}
|
|
else
|
|
++entry;
|
|
}
|
|
|
|
if ( d->m_animated )
|
|
data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
|
|
|
|
// janitorial...
|
|
if ( !(d->m_animations.count() || d->m_zombies.isEmpty()) )
|
|
{
|
|
foreach ( EffectWindow *w, d->m_zombies )
|
|
w->unrefWindow();
|
|
d->m_zombies.clear();
|
|
}
|
|
|
|
effects->prePaintScreen(data, time);
|
|
}
|
|
|
|
void AnimationEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
|
|
{
|
|
Q_D(AnimationEffect);
|
|
if ( d->m_animated ) {
|
|
AniMap::const_iterator entry = d->m_animations.constFind( w );
|
|
if ( entry != d->m_animations.constEnd() ) {
|
|
bool isUsed = false;
|
|
for (QList<AniData>::const_iterator anim = entry->constBegin(); anim != entry->constEnd(); ++anim) {
|
|
if (QTime::currentTime() < anim->startTime && !anim->waitAtSource)
|
|
continue;
|
|
|
|
isUsed = true;
|
|
if (anim->attribute == Opacity)
|
|
data.setTranslucent();
|
|
else {
|
|
data.setTransformed();
|
|
data.mask |= PAINT_WINDOW_TRANSFORMED;
|
|
}
|
|
}
|
|
if ( isUsed ) {
|
|
if ( w->isMinimized() )
|
|
w->enablePainting( EffectWindow::PAINT_DISABLED_BY_MINIMIZE );
|
|
else if ( w->isDeleted() )
|
|
w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DELETE );
|
|
else if ( !w->isOnCurrentDesktop() )
|
|
w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP );
|
|
if( !w->isPaintingEnabled() && !effects->activeFullScreenEffect() )
|
|
w->addRepaintFull();
|
|
}
|
|
}
|
|
}
|
|
effects->prePaintWindow( w, data, time );
|
|
}
|
|
|
|
static inline float geometryCompensation(int flags, float v)
|
|
{
|
|
if (flags & (AnimationEffect::Left|AnimationEffect::Top))
|
|
return 0.0; // no compensation required
|
|
if (flags & (AnimationEffect::Right|AnimationEffect::Bottom))
|
|
return 1.0 - v; // full compensation
|
|
return 0.5 * (1.0 - v); // half compensation
|
|
}
|
|
|
|
|
|
static int xCoord(const QRect &r, int flag) {
|
|
if (flag & AnimationEffect::Left)
|
|
return r.x();
|
|
else if (flag & AnimationEffect::Right)
|
|
return r.right();
|
|
else
|
|
return r.x() + r.width()/2;
|
|
}
|
|
|
|
static int yCoord(const QRect &r, int flag) {
|
|
if (flag & AnimationEffect::Top)
|
|
return r.y();
|
|
else if (flag & AnimationEffect::Bottom)
|
|
return r.bottom();
|
|
else
|
|
return r.y() + r.height()/2;
|
|
}
|
|
|
|
void AnimationEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
|
|
{
|
|
Q_D(AnimationEffect);
|
|
if ( d->m_animated ) {
|
|
AniMap::const_iterator entry = d->m_animations.constFind( w );
|
|
if ( entry != d->m_animations.constEnd() ) {
|
|
for ( QList<AniData>::const_iterator anim = entry->constBegin(); anim != entry->constEnd(); ++anim ) {
|
|
|
|
if (QTime::currentTime() < anim->startTime && !anim->waitAtSource)
|
|
continue;
|
|
|
|
switch (anim->attribute) {
|
|
case Opacity:
|
|
data.opacity *= interpolated(*anim); break;
|
|
case Brightness:
|
|
data.brightness *= interpolated(*anim); break;
|
|
case Saturation:
|
|
data.saturation *= interpolated(*anim); break;
|
|
case Scale: {
|
|
const QSize sz = w->geometry().size();
|
|
float f1(1.0), f2(0.0);
|
|
if (anim->from[0] >= 0.0 && anim->to[0] >= 0.0) { // scale x
|
|
f1 = interpolated(*anim, 0);
|
|
f2 = geometryCompensation( anim->meta & AnimationEffect::Horizontal, f1 );
|
|
data.xTranslate += f2 * sz.width();
|
|
data.xScale *= f1;
|
|
}
|
|
if (anim->from[1] >= 0.0 && anim->to[1] >= 0.0) { // scale y
|
|
if (!anim->isOneDimensional()) {
|
|
f1 = interpolated(*anim, 1);
|
|
f2 = geometryCompensation( anim->meta & AnimationEffect::Vertical, f1 );
|
|
} else if ( ((anim->meta & AnimationEffect::Vertical)>>1) != (anim->meta & AnimationEffect::Horizontal) )
|
|
f2 = geometryCompensation( anim->meta & AnimationEffect::Vertical, f1 );
|
|
data.yTranslate += f2 * sz.height();
|
|
data.yScale *= f1;
|
|
}
|
|
break;
|
|
}
|
|
case Translation:
|
|
data.xTranslate += interpolated(*anim, 0);
|
|
data.yTranslate += interpolated(*anim, 1);
|
|
break;
|
|
case Size: {
|
|
FPx2 dest = anim->from + progress(*anim) * (anim->to - anim->from);
|
|
const QSize sz = w->geometry().size();
|
|
float f;
|
|
if (anim->from[0] >= 0.0 && anim->to[0] >= 0.0) { // resize x
|
|
f = dest[0]/sz.width();
|
|
data.xTranslate += geometryCompensation( anim->meta & AnimationEffect::Horizontal, f ) * sz.width();
|
|
data.xScale *= f;
|
|
}
|
|
if (anim->from[1] >= 0.0 && anim->to[1] >= 0.0) { // resize y
|
|
f = dest[1]/sz.height();
|
|
data.yTranslate += geometryCompensation( anim->meta & AnimationEffect::Vertical, f ) * sz.height();
|
|
data.yScale *= f;
|
|
}
|
|
break;
|
|
}
|
|
case Position: {
|
|
const QRect geo = w->geometry();
|
|
const float prgrs = progress(*anim);
|
|
if ( anim->from[0] >= 0.0 && anim->to[0] >= 0.0 ) {
|
|
float dest = interpolated(*anim, 0);
|
|
const int x[2] = { xCoord(geo, metaData(SourceAnchor, anim->meta)),
|
|
xCoord(geo, metaData(TargetAnchor, anim->meta)) };
|
|
data.xTranslate += dest - (x[0] + prgrs*(x[1] - x[0]));
|
|
}
|
|
if ( anim->from[1] >= 0.0 && anim->to[1] >= 0.0 ) {
|
|
float dest = interpolated(*anim, 1);
|
|
const int y[2] = { yCoord(geo, metaData(SourceAnchor, anim->meta)),
|
|
yCoord(geo, metaData(TargetAnchor, anim->meta)) };
|
|
data.yTranslate += dest - (y[0] + prgrs*(y[1] - y[0]));
|
|
}
|
|
break;
|
|
}
|
|
case Rotation: {
|
|
RotationData rot;
|
|
rot.axis = (RotationData::RotationAxis)metaData(Axis, anim->meta);
|
|
const float prgrs = progress(*anim);
|
|
rot.angle = anim->from[0] + prgrs*(anim->to[0] - anim->from[0]);
|
|
|
|
const QRect geo = w->rect();
|
|
const uint sAnchor = metaData(SourceAnchor, anim->meta),
|
|
tAnchor = metaData(TargetAnchor, anim->meta);
|
|
QPointF pt(xCoord(geo, sAnchor), yCoord(geo, sAnchor));
|
|
|
|
if (tAnchor != sAnchor) {
|
|
QPointF pt2(xCoord(geo, tAnchor), yCoord(geo, tAnchor));
|
|
pt += static_cast<qreal>(prgrs)*(pt2 - pt);
|
|
}
|
|
|
|
rot.xRotationPoint = pt.x();
|
|
rot.yRotationPoint = pt.y();
|
|
data.rotation = &rot;
|
|
break;
|
|
}
|
|
case Generic:
|
|
genericAnimation(w, data, progress(*anim), anim->meta);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
effects->paintWindow( w, mask, region, data );
|
|
}
|
|
|
|
void AnimationEffect::postPaintScreen()
|
|
{
|
|
Q_D(AnimationEffect);
|
|
if ( d->m_animated )
|
|
effects->addRepaintFull();
|
|
effects->postPaintScreen();
|
|
}
|
|
|
|
float AnimationEffect::interpolated( const AniData &a, int i ) const
|
|
{
|
|
if (QTime::currentTime() < a.startTime)
|
|
return a.from[i];
|
|
return a.from[i] + a.curve.valueForProgress( ((float)a.time)/a.duration )*(a.to[i] - a.from[i]);
|
|
}
|
|
|
|
float AnimationEffect::progress( const AniData &a ) const
|
|
{
|
|
if (QTime::currentTime() < a.startTime)
|
|
return 0.0;
|
|
return a.curve.valueForProgress( ((float)a.time)/a.duration );
|
|
}
|
|
|
|
|
|
// TODO - get this out of the header - the functionpointer usage of QEasingCurve somehow sucks ;-)
|
|
// qreal AnimationEffect::qecGaussian(qreal progress) // exp(-5*(2*x-1)^2)
|
|
// {
|
|
// progress = 2*progress - 1;
|
|
// progress *= -5*progress;
|
|
// return qExp(progress);
|
|
// }
|
|
|
|
int AnimationEffect::metaData( MetaType type, uint meta )
|
|
{
|
|
switch (type) {
|
|
case SourceAnchor:
|
|
return ((meta>>5) & 0x1f);
|
|
case TargetAnchor:
|
|
return (meta& 0x1f);
|
|
case RelativeSourceX:
|
|
case RelativeSourceY:
|
|
case RelativeTargetX:
|
|
case RelativeTargetY: {
|
|
const int shift = 10 + type - RelativeSourceX;
|
|
return ((meta>>shift) & 1);
|
|
}
|
|
case Axis:
|
|
return ((meta>>10) & 3);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void AnimationEffect::setMetaData( MetaType type, uint value, uint &meta )
|
|
{
|
|
switch (type) {
|
|
case SourceAnchor:
|
|
meta &= ~(0x1f<<5);
|
|
meta |= ((value & 0x1f)<<5);
|
|
break;
|
|
case TargetAnchor:
|
|
meta &= ~(0x1f);
|
|
meta |= (value & 0x1f);
|
|
break;
|
|
case RelativeSourceX:
|
|
case RelativeSourceY:
|
|
case RelativeTargetX:
|
|
case RelativeTargetY: {
|
|
const int shift = 10 + type - RelativeSourceX;
|
|
if (value)
|
|
meta |= (1<<shift);
|
|
else
|
|
meta &= ~(1<<shift);
|
|
break;
|
|
}
|
|
case Axis:
|
|
meta &= ~(3<<10);
|
|
meta |= ((value & 3)<<10);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void AnimationEffect::triggerRepaint()
|
|
{
|
|
Q_D(AnimationEffect);
|
|
if (!d->m_animated)
|
|
effects->addRepaintFull();
|
|
}
|
|
|
|
|
|
void AnimationEffect::_windowClosed( EffectWindow* w )
|
|
{
|
|
Q_D(AnimationEffect);
|
|
if (d->m_animations.contains(w) && !d->m_zombies.contains(w)) {
|
|
w->refWindow();
|
|
d->m_zombies << w;
|
|
}
|
|
}
|
|
|
|
void AnimationEffect::_windowDeleted( EffectWindow* w )
|
|
{
|
|
Q_D(AnimationEffect);
|
|
d->m_animations.remove( w );
|
|
}
|
|
|
|
|
|
#include "moc_kwinanimationeffect.cpp"
|