dec41bbad8
Effects can access the QPainter used by SceneQPainter to directly render into the back buffer. Obviously only available in Compositing Type QPainterCompositing.
506 lines
17 KiB
C++
506 lines
17 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
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Copyright (C) 2010, 2011 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_EFFECTSIMPL_H
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#define KWIN_EFFECTSIMPL_H
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#include "kwineffects.h"
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#include "scene.h"
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#include "xcbutils.h"
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#include <QStack>
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#include <QHash>
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#include <Plasma/FrameSvg>
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namespace Plasma {
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class Theme;
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}
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class QDBusPendingCallWatcher;
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class QDBusServiceWatcher;
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class KService;
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class OrgFreedesktopScreenSaverInterface;
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namespace KWin
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{
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class AbstractThumbnailItem;
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class DesktopThumbnailItem;
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class WindowThumbnailItem;
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class Client;
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class Compositor;
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class Deleted;
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class Unmanaged;
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class ScreenLockerWatcher;
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class EffectsHandlerImpl : public EffectsHandler
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{
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Q_OBJECT
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Q_CLASSINFO("D-Bus Interface", "org.kde.kwin.Effects")
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Q_PROPERTY(QStringList activeEffects READ activeEffects)
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Q_PROPERTY(QStringList loadedEffects READ loadedEffects)
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Q_PROPERTY(QStringList listOfEffects READ listOfEffects)
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public:
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EffectsHandlerImpl(Compositor *compositor, Scene *scene);
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virtual ~EffectsHandlerImpl();
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virtual void prePaintScreen(ScreenPrePaintData& data, int time);
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virtual void paintScreen(int mask, QRegion region, ScreenPaintData& data);
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/**
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* Special hook to perform a paintScreen but just with the windows on @p desktop.
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**/
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void paintDesktop(int desktop, int mask, QRegion region, ScreenPaintData& data);
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virtual void postPaintScreen();
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virtual void prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time);
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virtual void paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data);
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virtual void postPaintWindow(EffectWindow* w);
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virtual void paintEffectFrame(EffectFrame* frame, QRegion region, double opacity, double frameOpacity);
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Effect *provides(Effect::Feature ef);
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virtual void drawWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data);
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virtual void buildQuads(EffectWindow* w, WindowQuadList& quadList);
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virtual void activateWindow(EffectWindow* c);
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virtual EffectWindow* activeWindow() const;
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virtual void moveWindow(EffectWindow* w, const QPoint& pos, bool snap = false, double snapAdjust = 1.0);
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virtual void windowToDesktop(EffectWindow* w, int desktop);
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virtual void windowToScreen(EffectWindow* w, int screen);
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virtual void setShowingDesktop(bool showing);
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virtual QString currentActivity() const;
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virtual int currentDesktop() const;
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virtual int numberOfDesktops() const;
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virtual void setCurrentDesktop(int desktop);
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virtual void setNumberOfDesktops(int desktops);
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virtual QSize desktopGridSize() const;
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virtual int desktopGridWidth() const;
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virtual int desktopGridHeight() const;
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virtual int workspaceWidth() const;
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virtual int workspaceHeight() const;
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virtual int desktopAtCoords(QPoint coords) const;
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virtual QPoint desktopGridCoords(int id) const;
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virtual QPoint desktopCoords(int id) const;
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virtual int desktopAbove(int desktop = 0, bool wrap = true) const;
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virtual int desktopToRight(int desktop = 0, bool wrap = true) const;
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virtual int desktopBelow(int desktop = 0, bool wrap = true) const;
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virtual int desktopToLeft(int desktop = 0, bool wrap = true) const;
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virtual QString desktopName(int desktop) const;
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virtual bool optionRollOverDesktops() const;
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virtual int displayWidth() const;
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virtual int displayHeight() const;
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virtual QPoint cursorPos() const;
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virtual bool grabKeyboard(Effect* effect);
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virtual void ungrabKeyboard();
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// not performing XGrabPointer
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virtual void startMouseInterception(Effect *effect, Qt::CursorShape shape);
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virtual void stopMouseInterception(Effect *effect);
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virtual void* getProxy(QString name);
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virtual void startMousePolling();
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virtual void stopMousePolling();
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virtual EffectWindow* findWindow(WId id) const;
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virtual EffectWindowList stackingOrder() const;
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virtual void setElevatedWindow(EffectWindow* w, bool set);
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virtual void setTabBoxWindow(EffectWindow*);
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virtual void setTabBoxDesktop(int);
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virtual EffectWindowList currentTabBoxWindowList() const;
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virtual void refTabBox();
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virtual void unrefTabBox();
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virtual void closeTabBox();
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virtual QList< int > currentTabBoxDesktopList() const;
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virtual int currentTabBoxDesktop() const;
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virtual EffectWindow* currentTabBoxWindow() const;
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virtual void setActiveFullScreenEffect(Effect* e);
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virtual Effect* activeFullScreenEffect() const;
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virtual void addRepaintFull();
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virtual void addRepaint(const QRect& r);
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virtual void addRepaint(const QRegion& r);
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virtual void addRepaint(int x, int y, int w, int h);
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virtual int activeScreen() const;
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virtual int numScreens() const;
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virtual int screenNumber(const QPoint& pos) const;
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virtual QRect clientArea(clientAreaOption, int screen, int desktop) const;
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virtual QRect clientArea(clientAreaOption, const EffectWindow* c) const;
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virtual QRect clientArea(clientAreaOption, const QPoint& p, int desktop) const;
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virtual double animationTimeFactor() const;
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virtual WindowQuadType newWindowQuadType();
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virtual void defineCursor(Qt::CursorShape shape);
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bool checkInputWindowEvent(xcb_button_press_event_t *e);
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bool checkInputWindowEvent(xcb_motion_notify_event_t *e);
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virtual void checkInputWindowStacking();
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virtual void reserveElectricBorder(ElectricBorder border, Effect *effect);
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virtual void unreserveElectricBorder(ElectricBorder border, Effect *effect);
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virtual unsigned long xrenderBufferPicture();
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virtual QPainter* scenePainter();
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virtual void reconfigure();
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virtual void registerPropertyType(long atom, bool reg);
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virtual QByteArray readRootProperty(long atom, long type, int format) const;
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virtual void deleteRootProperty(long atom) const;
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virtual xcb_atom_t announceSupportProperty(const QByteArray& propertyName, Effect* effect);
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virtual void removeSupportProperty(const QByteArray& propertyName, Effect* effect);
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virtual bool hasDecorationShadows() const;
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virtual bool decorationsHaveAlpha() const;
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virtual bool decorationSupportsBlurBehind() const;
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virtual EffectFrame* effectFrame(EffectFrameStyle style, bool staticSize, const QPoint& position, Qt::Alignment alignment) const;
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virtual QVariant kwinOption(KWinOption kwopt);
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virtual bool isScreenLocked() const;
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virtual bool makeOpenGLContextCurrent() override;
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virtual void doneOpenGLContextCurrent() override;
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// internal (used by kwin core or compositing code)
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void startPaint();
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void grabbedKeyboardEvent(QKeyEvent* e);
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bool hasKeyboardGrab() const;
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void desktopResized(const QSize &size);
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virtual void reloadEffect(Effect *effect);
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QStringList loadedEffects() const;
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QStringList listOfEffects() const;
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QList<EffectWindow*> elevatedWindows() const;
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QStringList activeEffects() const;
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/**
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* @returns Whether we are currently in a desktop rendering process triggered by paintDesktop hook
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**/
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bool isDesktopRendering() const {
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return m_desktopRendering;
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}
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/**
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* @returns the desktop currently being rendered in the paintDesktop hook.
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**/
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int currentRenderedDesktop() const {
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return m_currentRenderedDesktop;
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}
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public Q_SLOTS:
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void slotCurrentTabAboutToChange(EffectWindow* from, EffectWindow* to);
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void slotTabAdded(EffectWindow* from, EffectWindow* to);
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void slotTabRemoved(EffectWindow* c, EffectWindow* newActiveWindow);
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// slots for D-Bus interface
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Q_SCRIPTABLE void reconfigureEffect(const QString& name);
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Q_SCRIPTABLE bool loadEffect(const QString& name, bool checkDefault = false);
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Q_SCRIPTABLE void toggleEffect(const QString& name);
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Q_SCRIPTABLE void unloadEffect(const QString& name);
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Q_SCRIPTABLE bool isEffectLoaded(const QString& name) const;
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Q_SCRIPTABLE QString supportInformation(const QString& name) const;
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Q_SCRIPTABLE QString debug(const QString& name, const QString& parameter = QString()) const;
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protected Q_SLOTS:
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void slotDesktopChanged(int old, KWin::Client *withClient);
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void slotClientAdded(KWin::Client *c);
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void slotClientShown(KWin::Toplevel*);
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void slotUnmanagedAdded(KWin::Unmanaged *u);
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void slotUnmanagedShown(KWin::Toplevel*);
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void slotWindowClosed(KWin::Toplevel *c);
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void slotClientActivated(KWin::Client *c);
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void slotDeletedRemoved(KWin::Deleted *d);
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void slotClientMaximized(KWin::Client *c, KDecorationDefines::MaximizeMode maxMode);
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void slotClientStartUserMovedResized(KWin::Client *c);
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void slotClientStepUserMovedResized(KWin::Client *c, const QRect &geometry);
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void slotClientFinishUserMovedResized(KWin::Client *c);
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void slotOpacityChanged(KWin::Toplevel *t, qreal oldOpacity);
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void slotClientMinimized(KWin::Client *c, bool animate);
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void slotClientUnminimized(KWin::Client *c, bool animate);
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void slotClientModalityChanged();
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void slotGeometryShapeChanged(KWin::Toplevel *t, const QRect &old);
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void slotPaddingChanged(KWin::Toplevel *t, const QRect &old);
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void slotWindowDamaged(KWin::Toplevel *t, const QRect& r);
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void slotPropertyNotify(KWin::Toplevel *t, long atom);
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void slotPropertyNotify(long atom);
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protected:
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bool loadScriptedEffect(const QString &name, KService *service);
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KLibrary* findEffectLibrary(KService* service);
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void effectsChanged();
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void setupClientConnections(KWin::Client *c);
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void setupUnmanagedConnections(KWin::Unmanaged *u);
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Effect* keyboard_grab_effect;
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Effect* fullscreen_effect;
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QList<EffectWindow*> elevated_windows;
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QMultiMap< int, EffectPair > effect_order;
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QHash< long, int > registered_atoms;
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int next_window_quad_type;
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private Q_SLOTS:
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void slotEffectsQueried();
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private:
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typedef QVector< Effect*> EffectsList;
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typedef EffectsList::const_iterator EffectsIterator;
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EffectsList m_activeEffects;
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EffectsIterator m_currentDrawWindowIterator;
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EffectsIterator m_currentPaintWindowIterator;
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EffectsIterator m_currentPaintEffectFrameIterator;
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EffectsIterator m_currentPaintScreenIterator;
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EffectsIterator m_currentBuildQuadsIterator;
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typedef QHash< QByteArray, QList< Effect*> > PropertyEffectMap;
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PropertyEffectMap m_propertiesForEffects;
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QHash<QByteArray, qulonglong> m_managedProperties;
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Compositor *m_compositor;
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Scene *m_scene;
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ScreenLockerWatcher *m_screenLockerWatcher;
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bool m_desktopRendering;
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int m_currentRenderedDesktop;
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Xcb::Window m_mouseInterceptionWindow;
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QList<Effect*> m_grabbedMouseEffects;
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};
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class EffectWindowImpl : public EffectWindow
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{
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Q_OBJECT
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public:
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explicit EffectWindowImpl(Toplevel *toplevel);
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virtual ~EffectWindowImpl();
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virtual void enablePainting(int reason);
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virtual void disablePainting(int reason);
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virtual bool isPaintingEnabled();
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virtual void refWindow();
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virtual void unrefWindow();
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virtual const EffectWindowGroup* group() const;
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virtual QRegion shape() const;
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virtual QRect decorationInnerRect() const;
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virtual QByteArray readProperty(long atom, long type, int format) const;
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virtual void deleteProperty(long atom) const;
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virtual EffectWindow* findModal();
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virtual EffectWindowList mainWindows() const;
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virtual WindowQuadList buildQuads(bool force = false) const;
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virtual void referencePreviousWindowPixmap();
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virtual void unreferencePreviousWindowPixmap();
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const Toplevel* window() const;
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Toplevel* window();
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void setWindow(Toplevel* w); // internal
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void setSceneWindow(Scene::Window* w); // internal
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const Scene::Window* sceneWindow() const; // internal
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Scene::Window* sceneWindow(); // internal
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void elevate(bool elevate);
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void setData(int role, const QVariant &data);
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QVariant data(int role) const;
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void registerThumbnail(AbstractThumbnailItem *item);
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QHash<WindowThumbnailItem*, QWeakPointer<EffectWindowImpl> > const &thumbnails() const {
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return m_thumbnails;
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}
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QList<DesktopThumbnailItem*> const &desktopThumbnails() const {
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return m_desktopThumbnails;
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}
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private Q_SLOTS:
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void thumbnailDestroyed(QObject *object);
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void thumbnailTargetChanged();
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void desktopThumbnailDestroyed(QObject *object);
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private:
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void insertThumbnail(WindowThumbnailItem *item);
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Toplevel* toplevel;
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Scene::Window* sw; // This one is used only during paint pass.
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QHash<int, QVariant> dataMap;
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QHash<WindowThumbnailItem*, QWeakPointer<EffectWindowImpl> > m_thumbnails;
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QList<DesktopThumbnailItem*> m_desktopThumbnails;
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};
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class EffectWindowGroupImpl
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: public EffectWindowGroup
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{
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public:
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explicit EffectWindowGroupImpl(Group* g);
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virtual EffectWindowList members() const;
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private:
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Group* group;
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};
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class EffectFrameImpl
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: public QObject, public EffectFrame
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{
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Q_OBJECT
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public:
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explicit EffectFrameImpl(EffectFrameStyle style, bool staticSize = true, QPoint position = QPoint(-1, -1),
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Qt::Alignment alignment = Qt::AlignCenter);
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virtual ~EffectFrameImpl();
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virtual void free();
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virtual void render(QRegion region = infiniteRegion(), double opacity = 1.0, double frameOpacity = 1.0);
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virtual Qt::Alignment alignment() const;
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virtual void setAlignment(Qt::Alignment alignment);
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virtual const QFont& font() const;
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virtual void setFont(const QFont& font);
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virtual const QRect& geometry() const;
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virtual void setGeometry(const QRect& geometry, bool force = false);
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virtual const QIcon& icon() const override;
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virtual void setIcon(const QIcon& icon) override;
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virtual const QSize& iconSize() const;
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virtual void setIconSize(const QSize& size);
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virtual void setPosition(const QPoint& point);
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virtual const QString& text() const;
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virtual void setText(const QString& text);
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virtual EffectFrameStyle style() const {
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return m_style;
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};
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Plasma::FrameSvg& frame() {
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return m_frame;
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}
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bool isStatic() const {
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return m_static;
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};
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void finalRender(QRegion region, double opacity, double frameOpacity) const;
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virtual void setShader(GLShader* shader) {
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m_shader = shader;
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}
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virtual GLShader* shader() const {
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return m_shader;
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}
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virtual void setSelection(const QRect& selection);
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const QRect& selection() const {
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return m_selectionGeometry;
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}
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Plasma::FrameSvg& selectionFrame() {
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return m_selection;
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}
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/**
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* The foreground text color as specified by the default Plasma theme.
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*/
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QColor styledTextColor();
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private Q_SLOTS:
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void plasmaThemeChanged();
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private:
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Q_DISABLE_COPY(EffectFrameImpl) // As we need to use Qt slots we cannot copy this class
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void align(QRect &geometry); // positions geometry around m_point respecting m_alignment
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void autoResize(); // Auto-resize if not a static size
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EffectFrameStyle m_style;
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Plasma::FrameSvg m_frame; // TODO: share between all EffectFrames
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Plasma::FrameSvg m_selection;
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// Position
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bool m_static;
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QPoint m_point;
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Qt::Alignment m_alignment;
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QRect m_geometry;
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// Contents
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QString m_text;
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QFont m_font;
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QIcon m_icon;
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QSize m_iconSize;
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QRect m_selectionGeometry;
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Scene::EffectFrame* m_sceneFrame;
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GLShader* m_shader;
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Plasma::Theme *m_theme;
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};
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class ScreenLockerWatcher : public QObject
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{
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Q_OBJECT
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public:
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explicit ScreenLockerWatcher(QObject *parent = 0);
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virtual ~ScreenLockerWatcher();
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bool isLocked() const {
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return m_locked;
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}
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Q_SIGNALS:
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void locked(bool locked);
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private Q_SLOTS:
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void setLocked(bool activated);
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void activeQueried(QDBusPendingCallWatcher *watcher);
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void serviceOwnerChanged(const QString &serviceName, const QString &oldOwner, const QString &newOwner);
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void serviceRegisteredQueried();
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void serviceOwnerQueried();
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private:
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OrgFreedesktopScreenSaverInterface *m_interface;
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QDBusServiceWatcher *m_serviceWatcher;
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bool m_locked;
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};
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inline
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QList<EffectWindow*> EffectsHandlerImpl::elevatedWindows() const
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{
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return elevated_windows;
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}
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inline
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EffectWindowGroupImpl::EffectWindowGroupImpl(Group* g)
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: group(g)
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{
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}
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EffectWindow* effectWindow(Toplevel* w);
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EffectWindow* effectWindow(Scene::Window* w);
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inline
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const Scene::Window* EffectWindowImpl::sceneWindow() const
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{
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return sw;
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}
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inline
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Scene::Window* EffectWindowImpl::sceneWindow()
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{
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return sw;
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}
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inline
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const Toplevel* EffectWindowImpl::window() const
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{
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return toplevel;
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}
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inline
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Toplevel* EffectWindowImpl::window()
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{
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return toplevel;
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}
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} // namespace
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#endif
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