120 lines
3.3 KiB
C++
120 lines
3.3 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 <KSelectionWatcher>
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// Qt
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#include <QApplication>
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#include <QAbstractNativeEventFilter>
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namespace KWin
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{
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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 KWinSelectionOwner
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: public KSelectionOwner
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{
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Q_OBJECT
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public:
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explicit KWinSelectionOwner(int screen);
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protected:
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virtual bool genericReply(xcb_atom_t target, xcb_atom_t property, xcb_window_t requestor);
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virtual void replyTargets(xcb_atom_t property, xcb_window_t requestor);
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virtual void getAtoms();
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private:
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xcb_atom_t make_selection_atom(int screen);
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static xcb_atom_t xa_version;
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};
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class Application : public QApplication
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{
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Q_OBJECT
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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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Application(int &argc, char **argv);
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~Application();
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void setReplace(bool replace);
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void setConfigLock(bool lock);
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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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bool requiresCompositing() const;
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static void setCrashCount(int count);
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static bool wasCrash();
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protected:
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bool notify(QObject* o, QEvent* e);
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static void crashHandler(int signal);
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private Q_SLOTS:
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void lostSelection();
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void resetCrashesCount();
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private:
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void crashChecking();
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QScopedPointer<KWinSelectionOwner> owner;
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QScopedPointer<XcbEventFilter> m_eventFilter;
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bool m_replace;
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bool m_configLock;
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OperationMode m_operationMode;
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static int crashes;
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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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