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kwin/effects.h
Martin Gräßlin e3f2dd7612 Move KServiceTypeTrader query for Effects into a thread 
By moving the query for effects into an own thread the
startup does not have to wait till all effects are loaded.
The thread moves the loading of the effects after the
Window Manager and Compositor has been fully initialized.
This is possible as EffectsHandler is fully functional even
without any effects.

The compositor ensures that at least one frame is rendered
before the started thread returns which makes the complete
startup more responsive.

REVIEW: 104583
2012-05-01 08:49:20 +02:00

417 lines
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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
Copyright (C) 2010, 2011 Martin Gräßlin <mgraesslin@kde.org>
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 KWIN_EFFECTSIMPL_H
#define KWIN_EFFECTSIMPL_H
#include "kwineffects.h"
#include "scene.h"
#include <QStack>
#include <QHash>
#include <Plasma/FrameSvg>
class KService;
namespace KWin
{
class ThumbnailItem;
class Client;
class Deleted;
class Unmanaged;
class EffectsHandlerImpl : public EffectsHandler
{
Q_OBJECT
public:
EffectsHandlerImpl(CompositingType type);
virtual ~EffectsHandlerImpl();
virtual void prePaintScreen(ScreenPrePaintData& data, int time);
virtual void paintScreen(int mask, QRegion region, ScreenPaintData& data);
virtual void postPaintScreen();
virtual void prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time);
virtual void paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data);
virtual void postPaintWindow(EffectWindow* w);
virtual void paintEffectFrame(EffectFrame* frame, QRegion region, double opacity, double frameOpacity);
Effect *provides(Effect::Feature ef);
virtual void drawWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data);
virtual void buildQuads(EffectWindow* w, WindowQuadList& quadList);
virtual void activateWindow(EffectWindow* c);
virtual EffectWindow* activeWindow() const;
virtual void moveWindow(EffectWindow* w, const QPoint& pos, bool snap = false, double snapAdjust = 1.0);
virtual void windowToDesktop(EffectWindow* w, int desktop);
virtual void windowToScreen(EffectWindow* w, int screen);
virtual void setShowingDesktop(bool showing);
virtual QString currentActivity() const;
virtual int currentDesktop() const;
virtual int numberOfDesktops() const;
virtual void setCurrentDesktop(int desktop);
virtual void setNumberOfDesktops(int desktops);
virtual QSize desktopGridSize() const;
virtual int desktopGridWidth() const;
virtual int desktopGridHeight() const;
virtual int workspaceWidth() const;
virtual int workspaceHeight() const;
virtual int desktopAtCoords(QPoint coords) const;
virtual QPoint desktopGridCoords(int id) const;
virtual QPoint desktopCoords(int id) const;
virtual int desktopAbove(int desktop = 0, bool wrap = true) const;
virtual int desktopToRight(int desktop = 0, bool wrap = true) const;
virtual int desktopBelow(int desktop = 0, bool wrap = true) const;
virtual int desktopToLeft(int desktop = 0, bool wrap = true) const;
virtual QString desktopName(int desktop) const;
virtual bool optionRollOverDesktops() const;
virtual int displayWidth() const;
virtual int displayHeight() const;
virtual QPoint cursorPos() const;
virtual bool grabKeyboard(Effect* effect);
virtual void ungrabKeyboard();
virtual void* getProxy(QString name);
virtual void startMousePolling();
virtual void stopMousePolling();
virtual EffectWindow* findWindow(WId id) const;
virtual EffectWindowList stackingOrder() const;
virtual void setElevatedWindow(EffectWindow* w, bool set);
virtual void setTabBoxWindow(EffectWindow*);
virtual void setTabBoxDesktop(int);
virtual EffectWindowList currentTabBoxWindowList() const;
virtual void refTabBox();
virtual void unrefTabBox();
virtual void closeTabBox();
virtual QList< int > currentTabBoxDesktopList() const;
virtual int currentTabBoxDesktop() const;
virtual EffectWindow* currentTabBoxWindow() const;
virtual void setActiveFullScreenEffect(Effect* e);
virtual Effect* activeFullScreenEffect() const;
virtual void addRepaintFull();
virtual void addRepaint(const QRect& r);
virtual void addRepaint(const QRegion& r);
virtual void addRepaint(int x, int y, int w, int h);
virtual int activeScreen() const;
virtual int numScreens() const;
virtual int screenNumber(const QPoint& pos) const;
virtual QRect clientArea(clientAreaOption, int screen, int desktop) const;
virtual QRect clientArea(clientAreaOption, const EffectWindow* c) const;
virtual QRect clientArea(clientAreaOption, const QPoint& p, int desktop) const;
virtual double animationTimeFactor() const;
virtual WindowQuadType newWindowQuadType();
virtual Window createInputWindow(Effect* e, int x, int y, int w, int h, const QCursor& cursor);
using EffectsHandler::createInputWindow;
virtual void destroyInputWindow(Window w);
virtual bool checkInputWindowEvent(XEvent* e);
virtual void checkInputWindowStacking();
virtual void checkElectricBorder(const QPoint &pos, Time time);
virtual void reserveElectricBorder(ElectricBorder border);
virtual void unreserveElectricBorder(ElectricBorder border);
virtual void reserveElectricBorderSwitching(bool reserve);
virtual unsigned long xrenderBufferPicture();
virtual void reconfigure();
virtual void registerPropertyType(long atom, bool reg);
virtual QByteArray readRootProperty(long atom, long type, int format) const;
virtual void deleteRootProperty(long atom) const;
virtual bool hasDecorationShadows() const;
virtual bool decorationsHaveAlpha() const;
virtual bool decorationSupportsBlurBehind() const;
virtual EffectFrame* effectFrame(EffectFrameStyle style, bool staticSize, const QPoint& position, Qt::Alignment alignment) const;
virtual QVariant kwinOption(KWinOption kwopt);
// internal (used by kwin core or compositing code)
void startPaint();
bool borderActivated(ElectricBorder border);
void grabbedKeyboardEvent(QKeyEvent* e);
bool hasKeyboardGrab() const;
void desktopResized(const QSize &size);
virtual void reloadEffect(Effect *effect);
bool loadEffect(const QString& name, bool checkDefault = false);
void toggleEffect(const QString& name);
void unloadEffect(const QString& name);
void reconfigureEffect(const QString& name);
bool isEffectLoaded(const QString& name);
QStringList loadedEffects() const;
QStringList listOfEffects() const;
QList<EffectWindow*> elevatedWindows() const;
QStringList activeEffects() const;
public Q_SLOTS:
void slotCurrentTabAboutToChange(EffectWindow* from, EffectWindow* to);
void slotTabAdded(EffectWindow* from, EffectWindow* to);
void slotTabRemoved(EffectWindow* c, EffectWindow* newActiveWindow);
void slotShowOutline(const QRect &geometry);
void slotHideOutline();
protected Q_SLOTS:
void slotDesktopChanged(int old);
void slotClientAdded(KWin::Client *c);
void slotClientShown(KWin::Toplevel*);
void slotUnmanagedAdded(KWin::Unmanaged *u);
void slotWindowClosed(KWin::Toplevel *c);
void slotClientActivated(KWin::Client *c);
void slotDeletedRemoved(KWin::Deleted *d);
void slotClientMaximized(KWin::Client *c, KDecorationDefines::MaximizeMode maxMode);
void slotClientStartUserMovedResized(KWin::Client *c);
void slotClientStepUserMovedResized(KWin::Client *c, const QRect &geometry);
void slotClientFinishUserMovedResized(KWin::Client *c);
void slotOpacityChanged(KWin::Toplevel *t, qreal oldOpacity);
void slotClientMinimized(KWin::Client *c, bool animate);
void slotClientUnminimized(KWin::Client *c, bool animate);
void slotGeometryShapeChanged(KWin::Toplevel *t, const QRect &old);
void slotWindowDamaged(KWin::Toplevel *t, const QRect& r);
void slotPropertyNotify(KWin::Toplevel *t, long atom);
void slotPropertyNotify(long atom);
protected:
bool loadScriptedEffect(const QString &name, KService *service);
KLibrary* findEffectLibrary(KService* service);
void effectsChanged();
void setupClientConnections(KWin::Client *c);
void setupUnmanagedConnections(KWin::Unmanaged *u);
Effect* keyboard_grab_effect;
Effect* fullscreen_effect;
QList<EffectWindow*> elevated_windows;
QMultiMap< int, EffectPair > effect_order;
QHash< long, int > registered_atoms;
int next_window_quad_type;
int mouse_poll_ref_count;
private Q_SLOTS:
void slotEffectsQueried();
private:
QList< Effect* > m_activeEffects;
QList< Effect* >::iterator m_currentDrawWindowIterator;
QList< Effect* >::iterator m_currentPaintWindowIterator;
QList< Effect* >::iterator m_currentPaintEffectFrameIterator;
QList< Effect* >::iterator m_currentPaintScreenIterator;
QList< Effect* >::iterator m_currentBuildQuadsIterator;
};
class EffectWindowImpl : public EffectWindow
{
Q_OBJECT
public:
EffectWindowImpl(Toplevel *toplevel);
virtual ~EffectWindowImpl();
virtual void enablePainting(int reason);
virtual void disablePainting(int reason);
virtual bool isPaintingEnabled();
virtual void refWindow();
virtual void unrefWindow();
virtual const EffectWindowGroup* group() const;
virtual QRegion shape() const;
virtual QRect decorationInnerRect() const;
virtual QByteArray readProperty(long atom, long type, int format) const;
virtual void deleteProperty(long atom) const;
virtual EffectWindow* findModal();
virtual EffectWindowList mainWindows() const;
virtual WindowQuadList buildQuads(bool force = false) const;
const Toplevel* window() const;
Toplevel* window();
void setWindow(Toplevel* w); // internal
void setSceneWindow(Scene::Window* w); // internal
const Scene::Window* sceneWindow() const; // internal
Scene::Window* sceneWindow(); // internal
void setData(int role, const QVariant &data);
QVariant data(int role) const;
void registerThumbnail(ThumbnailItem *item);
QHash<ThumbnailItem*, QWeakPointer<EffectWindowImpl> > const &thumbnails() const {
return m_thumbnails;
}
private Q_SLOTS:
void thumbnailDestroyed(QObject *object);
void thumbnailTargetChanged();
private:
void insertThumbnail(ThumbnailItem *item);
Toplevel* toplevel;
Scene::Window* sw; // This one is used only during paint pass.
QHash<int, QVariant> dataMap;
QHash<ThumbnailItem*, QWeakPointer<EffectWindowImpl> > m_thumbnails;
};
class EffectWindowGroupImpl
: public EffectWindowGroup
{
public:
EffectWindowGroupImpl(Group* g);
virtual EffectWindowList members() const;
private:
Group* group;
};
class EffectFrameImpl
: public QObject, public EffectFrame
{
Q_OBJECT
public:
explicit EffectFrameImpl(EffectFrameStyle style, bool staticSize = true, QPoint position = QPoint(-1, -1),
Qt::Alignment alignment = Qt::AlignCenter);
virtual ~EffectFrameImpl();
virtual void free();
virtual void render(QRegion region = infiniteRegion(), double opacity = 1.0, double frameOpacity = 1.0);
virtual Qt::Alignment alignment() const;
virtual void setAlignment(Qt::Alignment alignment);
virtual const QFont& font() const;
virtual void setFont(const QFont& font);
virtual const QRect& geometry() const;
virtual void setGeometry(const QRect& geometry, bool force = false);
virtual const QPixmap& icon() const;
virtual void setIcon(const QPixmap& icon);
virtual const QSize& iconSize() const;
virtual void setIconSize(const QSize& size);
virtual void setPosition(const QPoint& point);
virtual const QString& text() const;
virtual void setText(const QString& text);
virtual EffectFrameStyle style() const {
return m_style;
};
Plasma::FrameSvg& frame() {
return m_frame;
}
bool isStatic() const {
return m_static;
};
void finalRender(QRegion region, double opacity, double frameOpacity) const;
virtual void setShader(GLShader* shader) {
m_shader = shader;
}
virtual GLShader* shader() const {
return m_shader;
}
virtual void setSelection(const QRect& selection);
const QRect& selection() const {
return m_selectionGeometry;
}
Plasma::FrameSvg& selectionFrame() {
return m_selection;
}
/**
* The foreground text color as specified by the default Plasma theme.
*/
static QColor styledTextColor();
private Q_SLOTS:
void plasmaThemeChanged();
private:
Q_DISABLE_COPY(EffectFrameImpl) // As we need to use Qt slots we cannot copy this class
void align(QRect &geometry); // positions geometry around m_point respecting m_alignment
void autoResize(); // Auto-resize if not a static size
EffectFrameStyle m_style;
Plasma::FrameSvg m_frame; // TODO: share between all EffectFrames
Plasma::FrameSvg m_selection;
// Position
bool m_static;
QPoint m_point;
Qt::Alignment m_alignment;
QRect m_geometry;
// Contents
QString m_text;
QFont m_font;
QPixmap m_icon;
QSize m_iconSize;
QRect m_selectionGeometry;
Scene::EffectFrame* m_sceneFrame;
GLShader* m_shader;
};
inline
QList<EffectWindow*> EffectsHandlerImpl::elevatedWindows() const
{
return elevated_windows;
}
inline
EffectWindowGroupImpl::EffectWindowGroupImpl(Group* g)
: group(g)
{
}
EffectWindow* effectWindow(Toplevel* w);
EffectWindow* effectWindow(Scene::Window* w);
inline
const Scene::Window* EffectWindowImpl::sceneWindow() const
{
return sw;
}
inline
Scene::Window* EffectWindowImpl::sceneWindow()
{
return sw;
}
inline
const Toplevel* EffectWindowImpl::window() const
{
return toplevel;
}
inline
Toplevel* EffectWindowImpl::window()
{
return toplevel;
}
} // namespace
#endif
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