0aff9830df
It has been broken since cross-fading was introduced, and no one has filed any bug reports about it.
220 lines
10 KiB
C++
220 lines
10 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/>.
|
|
*********************************************************************/
|
|
|
|
#ifndef ANIMATION_EFFECT_H
|
|
#define ANIMATION_EFFECT_H
|
|
|
|
#include <QEasingCurve>
|
|
#include <QElapsedTimer>
|
|
#include <qmath.h>
|
|
#include <kwineffects.h>
|
|
#include <kwineffects_export.h>
|
|
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
class KWINEFFECTS_EXPORT FPx2 {
|
|
public:
|
|
FPx2() { f[0] = f[1] = 0.0; valid = false; }
|
|
explicit FPx2(float v) { f[0] = f[1] = v; valid = true; }
|
|
FPx2(float v1, float v2) { f[0] = v1; f[1] = v2; valid = true; }
|
|
FPx2(const FPx2 &other) { f[0] = other.f[0]; f[1] = other.f[1]; valid = other.valid; }
|
|
explicit FPx2(const QPoint &other) { f[0] = other.x(); f[1] = other.y(); valid = true; }
|
|
explicit FPx2(const QPointF &other) { f[0] = other.x(); f[1] = other.y(); valid = true; }
|
|
explicit FPx2(const QSize &other) { f[0] = other.width(); f[1] = other.height(); valid = true; }
|
|
explicit FPx2(const QSizeF &other) { f[0] = other.width(); f[1] = other.height(); valid = true; }
|
|
inline void invalidate() { valid = false; }
|
|
inline bool isValid() const { return valid; }
|
|
inline float operator[](int n) const { return f[n]; }
|
|
inline QString toString() const {
|
|
QString ret;
|
|
if (valid)
|
|
ret = QString::number(f[0]) + QStringLiteral(",") + QString::number(f[1]);
|
|
else
|
|
ret = QString();
|
|
return ret;
|
|
}
|
|
|
|
|
|
inline FPx2 &operator+=(const FPx2 &other)
|
|
{ f[0] += other[0]; f[1] += other[1]; return *this; }
|
|
inline FPx2 &operator-=(const FPx2 &other)
|
|
{ f[0] -= other[0]; f[1] -= other[1]; return *this; }
|
|
inline FPx2 &operator*=(float fl)
|
|
{ f[0] *= fl; f[1] *= fl; return *this; }
|
|
inline FPx2 &operator/=(float fl)
|
|
{ f[0] /= fl; f[1] /= fl; return *this; }
|
|
|
|
friend inline bool operator==(const FPx2 &f1, const FPx2 &f2)
|
|
{ return f1[0] == f2[0] && f1[1] == f2[1]; }
|
|
friend inline bool operator!=(const FPx2 &f1, const FPx2 &f2)
|
|
{ return f1[0] != f2[0] || f1[1] != f2[1]; }
|
|
friend inline const FPx2 operator+(const FPx2 &f1, const FPx2 &f2)
|
|
{ return FPx2( f1[0] + f2[0], f1[1] + f2[1] ); }
|
|
friend inline const FPx2 operator-(const FPx2 &f1, const FPx2 &f2)
|
|
{ return FPx2( f1[0] - f2[0], f1[1] - f2[1] ); }
|
|
friend inline const FPx2 operator*(const FPx2 &f, float fl)
|
|
{ return FPx2( f[0] * fl, f[1] * fl ); }
|
|
friend inline const FPx2 operator*(float fl, const FPx2 &f)
|
|
{ return FPx2( f[0] * fl, f[1] *fl ); }
|
|
friend inline const FPx2 operator-(const FPx2 &f)
|
|
{ return FPx2( -f[0], -f[1] ); }
|
|
friend inline const FPx2 operator/(const FPx2 &f, float fl)
|
|
{ return FPx2( f[0] / fl, f[1] / fl ); }
|
|
|
|
inline void set(float v) { f[0] = v; valid = true; }
|
|
inline void set(float v1, float v2) { f[0] = v1; f[1] = v2; valid = true; }
|
|
|
|
private:
|
|
float f[2];
|
|
bool valid;
|
|
};
|
|
|
|
class AniData;
|
|
class AnimationEffectPrivate;
|
|
class KWINEFFECTS_EXPORT AnimationEffect : public Effect
|
|
{
|
|
Q_OBJECT
|
|
Q_ENUMS(Anchor)
|
|
Q_ENUMS(Attribute)
|
|
Q_ENUMS(MetaType)
|
|
public:
|
|
enum Anchor { Left = 1<<0, Top = 1<<1, Right = 1<<2, Bottom = 1<<3,
|
|
Horizontal = Left|Right, Vertical = Top|Bottom, Mouse = 1<<4 };
|
|
enum Attribute {
|
|
Opacity = 0, Brightness, Saturation, Scale, Rotation,
|
|
Position, Size, Translation, Clip, Generic, CrossFadePrevious,
|
|
NonFloatBase = Position
|
|
};
|
|
enum MetaType { SourceAnchor, TargetAnchor,
|
|
RelativeSourceX, RelativeSourceY, RelativeTargetX, RelativeTargetY, Axis };
|
|
/**
|
|
* Whenever you intend to connect to the EffectsHandler::windowClosed() signal, do so when reimplementing the constructor.
|
|
* Do *not* add private slots named _windowClosed( EffectWindow* w ) or _windowDeleted( EffectWindow* w ) !!
|
|
* The AnimationEffect connects them right *after* the construction.
|
|
* If you shadow the _windowDeleted slot (it doesn't matter that it's a private slot!), this will lead to segfaults.
|
|
* If you shadow _windowClosed() or connect your slot to EffectsHandler::windowClosed() after _windowClosed() was connected, animations for closing windows will fail.
|
|
*/
|
|
AnimationEffect();
|
|
|
|
bool isActive() const;
|
|
/**
|
|
* Set and get predefined metatypes.
|
|
* The first 24 bits are reserved for the AnimationEffect class - you can use the last 8 bits for custom hints.
|
|
* In case you transform a Generic attribute, all 32 bits are yours and you can use them as you want and read them in your genericAnimation() implementation.
|
|
*/
|
|
static int metaData(MetaType type, uint meta );
|
|
static void setMetaData(MetaType type, uint value, uint &meta );
|
|
|
|
/**
|
|
* Reimplemented from KWIn::Effect
|
|
*/
|
|
QString debug(const QString ¶meter) const;
|
|
virtual void prePaintScreen( ScreenPrePaintData& data, int time );
|
|
virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time );
|
|
virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
|
|
virtual void postPaintScreen();
|
|
|
|
/**
|
|
* Gaussian (bumper) animation curve for QEasingCurve
|
|
*/
|
|
static qreal qecGaussian(qreal progress)
|
|
{
|
|
progress = 2*progress - 1;
|
|
progress *= -5*progress;
|
|
return qExp(progress);
|
|
}
|
|
|
|
static inline qint64 clock() {
|
|
return s_clock.elapsed();
|
|
}
|
|
|
|
protected:
|
|
/**
|
|
* The central function of this class - call it to create an animated transition of any supported attribute
|
|
* @param w - The EffectWindow to manipulate
|
|
* @param a - The @enum Attribute to manipulate
|
|
* @param meta - Basically a wildcard to carry various extra information, eg. the anchor, relativity or rotation axis. You will probably use require it when performing Generic animations.
|
|
* @param ms - How long the transition will last
|
|
* @param to - The target value. FPx2 is an agnostic two component float type (like QPointF or QSizeF, but without requiring to be either and supporting an invalid state)
|
|
* @param shape - How the animation progresses, eg. Linear progresses constantly while Exponential start slow and becomes very fast in the end
|
|
* @param delay - When the animation will start compared to "now" (the window will remain at the "from" position until then)
|
|
* @param from - the starting value, the default is invalid, ie. the attribute for the window is not transformed in the beginning
|
|
* @return an ID that you can use to cancel a running animation
|
|
*/
|
|
quint64 animate( EffectWindow *w, Attribute a, uint meta, int ms, FPx2 to, QEasingCurve curve = QEasingCurve(), int delay = 0, FPx2 from = FPx2() )
|
|
{ return p_animate(w, a, meta, ms, to, curve, delay, from, false); }
|
|
|
|
/**
|
|
* Equal to ::animate() with one important difference:
|
|
* The target value for the attribute is kept until you ::cancel() this animation
|
|
* @return an ID that you need to use to cancel this manipulation
|
|
*/
|
|
quint64 set( EffectWindow *w, Attribute a, uint meta, int ms, FPx2 to, QEasingCurve curve = QEasingCurve(), int delay = 0, FPx2 from = FPx2() )
|
|
{ return p_animate(w, a, meta, ms, to, curve, delay, from, true); }
|
|
|
|
/**
|
|
* Called whenever an animation end, passes the transformed @class EffectWindow @enum Attribute and originally supplied @param meta
|
|
* You can reimplement it to keep a constant transformation for the window (ie. keep it a this opacity or position) or to start another animation
|
|
*/
|
|
virtual void animationEnded( EffectWindow *, Attribute, uint meta ) {Q_UNUSED(meta);}
|
|
|
|
/**
|
|
* Cancel a running animation. @return true if an animation for @p animationId was found (and canceled)
|
|
* NOTICE that there is NO animated reset of the original value. You'll have to provide that with a second animation
|
|
* NOTICE as well that this will eventually release a Deleted window.
|
|
* If you intend to run another animation on the (Deleted) window, you have to do that before cancelling the old animation (to keep the window around)
|
|
*/
|
|
bool cancel(quint64 animationId);
|
|
/**
|
|
* Called if the transformed @enum Attribute is Generic. You should reimplement it if you transform this "Attribute".
|
|
* You could use the meta information to eg. support more than one additional animations
|
|
*/
|
|
virtual void genericAnimation( EffectWindow *w, WindowPaintData &data, float progress, uint meta )
|
|
{Q_UNUSED(w); Q_UNUSED(data); Q_UNUSED(progress); Q_UNUSED(meta);}
|
|
|
|
private:
|
|
quint64 p_animate( EffectWindow *w, Attribute a, uint meta, int ms, FPx2 to, QEasingCurve curve, int delay, FPx2 from, bool keepAtTarget );
|
|
QRect clipRect(const QRect &windowRect, const AniData&) const;
|
|
void clipWindow(const EffectWindow *, const AniData &, WindowQuadList &) const;
|
|
float interpolated( const AniData&, int i = 0 ) const;
|
|
float progress( const AniData& ) const;
|
|
void disconnectGeometryChanges();
|
|
void updateLayerRepaints();
|
|
private Q_SLOTS:
|
|
void init();
|
|
void triggerRepaint();
|
|
void _windowClosed( KWin::EffectWindow* w );
|
|
void _windowDeleted( KWin::EffectWindow* w );
|
|
void _expandedGeometryChanged(KWin::EffectWindow *w, const QRect &old);
|
|
private:
|
|
static QElapsedTimer s_clock;
|
|
typedef QMap< EffectWindow*, QPair<QList<AniData>, QRect> > AniMap;
|
|
AnimationEffectPrivate * const d_ptr;
|
|
Q_DECLARE_PRIVATE(AnimationEffect)
|
|
};
|
|
|
|
|
|
} // namespace
|
|
QDebug operator<<(QDebug dbg, const KWin::FPx2 &fpx2);
|
|
Q_DECLARE_METATYPE(KWin::FPx2)
|
|
|
|
#endif // ANIMATION_EFFECT_H
|