253 lines
6.9 KiB
C++
253 lines
6.9 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) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
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Copyright (C) 2003 Lubos Lunak <l.lunak@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 MAIN_H
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#define MAIN_H
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#include <kwinglobals.h>
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#include <config-kwin.h>
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#include <KSelectionWatcher>
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#include <KSelectionOwner>
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#include <KSharedConfig>
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// Qt
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#include <QApplication>
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#include <QAbstractNativeEventFilter>
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#include <QProcessEnvironment>
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class KPluginMetaData;
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class QCommandLineParser;
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namespace KWin
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{
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class Platform;
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class XcbEventFilter : public QAbstractNativeEventFilter
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{
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public:
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virtual bool nativeEventFilter(const QByteArray &eventType, void *message, long int *result) override;
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};
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class KWIN_EXPORT Application : public QApplication
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{
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Q_OBJECT
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Q_PROPERTY(quint32 x11Time READ x11Time WRITE setX11Time)
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Q_PROPERTY(quint32 x11RootWindow READ x11RootWindow CONSTANT)
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Q_PROPERTY(void *x11Connection READ x11Connection NOTIFY x11ConnectionChanged)
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Q_PROPERTY(int x11ScreenNumber READ x11ScreenNumber CONSTANT)
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Q_PROPERTY(KSharedConfigPtr config READ config WRITE setConfig)
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Q_PROPERTY(KSharedConfigPtr kxkbConfig READ kxkbConfig WRITE setKxkbConfig)
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public:
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/**
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* @brief This enum provides the various operation modes of KWin depending on the available
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* Windowing Systems at startup. For example whether KWin only talks to X11 or also to a Wayland
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* Compositor.
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*
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*/
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enum OperationMode {
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/**
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* @brief KWin uses only X11 for managing windows and compositing
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*/
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OperationModeX11,
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/**
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* @brief KWin uses X11 for managing windows, but renders to a Wayland compositor.
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* Input is received from the Wayland compositor.
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*/
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OperationModeWaylandAndX11,
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/**
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* @brief KWin uses Wayland and controls a nested Xwayland server.
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**/
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OperationModeXwayland
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};
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virtual ~Application();
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void setConfigLock(bool lock);
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KSharedConfigPtr config() const {
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return m_config;
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}
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void setConfig(KSharedConfigPtr config) {
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m_config = config;
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}
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KSharedConfigPtr kxkbConfig() const {
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return m_kxkbConfig;
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}
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void setKxkbConfig(KSharedConfigPtr config) {
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m_kxkbConfig = config;
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}
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void start();
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/**
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* @brief The operation mode used by KWin.
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*
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* @return OperationMode
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*/
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OperationMode operationMode() const;
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void setOperationMode(OperationMode mode);
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bool shouldUseWaylandForCompositing() const;
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void setupTranslator();
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void setupCommandLine(QCommandLineParser *parser);
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void processCommandLine(QCommandLineParser *parser);
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xcb_timestamp_t x11Time() const {
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return m_x11Time;
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}
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void setX11Time(xcb_timestamp_t timestamp) {
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if (timestamp > m_x11Time) {
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m_x11Time = timestamp;
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}
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}
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void updateX11Time(xcb_generic_event_t *event);
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void createScreens();
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static void setCrashCount(int count);
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static bool wasCrash();
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/**
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* Creates the KAboutData object for the KWin instance and registers it as
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* KAboutData::setApplicationData.
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**/
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static void createAboutData();
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/**
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* @returns the X11 Screen number. If not applicable it's set to @c -1.
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**/
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static int x11ScreenNumber();
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/**
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* Sets the X11 screen number of this KWin instance to @p screenNumber.
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**/
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static void setX11ScreenNumber(int screenNumber);
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/**
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* @returns whether this is a multi head setup on X11.
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**/
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static bool isX11MultiHead();
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/**
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* Sets whether this is a multi head setup on X11.
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*/
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static void setX11MultiHead(bool multiHead);
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/**
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* @returns the X11 root window.
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**/
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xcb_window_t x11RootWindow() const {
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return m_rootWindow;
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}
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/**
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* @returns the X11 xcb connection
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**/
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xcb_connection_t *x11Connection() const {
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return m_connection;
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}
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#ifdef KWIN_BUILD_ACTIVITIES
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bool usesKActivities() const {
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return m_useKActivities;
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}
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void setUseKActivities(bool use) {
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m_useKActivities = use;
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}
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#endif
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virtual QProcessEnvironment processStartupEnvironment() const;
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void initPlatform(const KPluginMetaData &plugin);
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Platform *platform() const {
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return m_platform;
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}
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static void setupMalloc();
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static void setupLocalizedString();
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static bool usesLibinput();
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static void setUseLibinput(bool use);
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Q_SIGNALS:
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void x11ConnectionChanged();
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void x11ConnectionAboutToBeDestroyed();
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void workspaceCreated();
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void screensCreated();
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void virtualTerminalCreated();
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protected:
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Application(OperationMode mode, int &argc, char **argv);
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virtual void performStartup() = 0;
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void notifyKSplash();
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void createInput();
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void createWorkspace();
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void createAtoms();
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void createOptions();
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void createCompositor();
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void setupEventFilters();
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void destroyWorkspace();
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void destroyCompositor();
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/**
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* Inheriting classes should use this method to set the X11 root window
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* before accessing any X11 specific code pathes.
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**/
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void setX11RootWindow(xcb_window_t root) {
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m_rootWindow = root;
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}
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/**
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* Inheriting classes should use this method to set the xcb connection
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* before accessing any X11 specific code pathes.
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**/
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void setX11Connection(xcb_connection_t *c) {
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m_connection = c;
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emit x11ConnectionChanged();
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}
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void destroyAtoms();
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protected:
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QString m_originalSessionKey;
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static int crashes;
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private Q_SLOTS:
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void resetCrashesCount();
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private:
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QScopedPointer<XcbEventFilter> m_eventFilter;
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bool m_configLock;
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KSharedConfigPtr m_config;
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KSharedConfigPtr m_kxkbConfig;
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OperationMode m_operationMode;
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xcb_timestamp_t m_x11Time = XCB_TIME_CURRENT_TIME;
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xcb_window_t m_rootWindow = XCB_WINDOW_NONE;
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xcb_connection_t *m_connection = nullptr;
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#ifdef KWIN_BUILD_ACTIVITIES
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bool m_useKActivities = true;
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#endif
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Platform *m_platform = nullptr;
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};
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inline static Application *kwinApp()
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{
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return static_cast<Application*>(QCoreApplication::instance());
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}
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} // namespace
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#endif
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