d2f1e936f1
At the same time adding an autotest for the Output, moving the listener into the Output class and providing enums for Subpixel and Transform. KWin now requires wl_ouput interface version 2 as that allows us to emit the changed signal in a better way. The unit test is not yet capable of testing everything, we need a mock Wayland server which is more flexible.
360 lines
7.3 KiB
C++
360 lines
7.3 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) 2013 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_WAYLAND_BACKEND_H
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#define KWIN_WAYLAND_BACKEND_H
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// KWin
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#include <kwinglobals.h>
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// Qt
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#include <QDir>
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#include <QHash>
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#include <QImage>
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#include <QObject>
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#include <QPoint>
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#include <QSize>
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// wayland
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#include <wayland-client.h>
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class QTemporaryFile;
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class QImage;
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struct wl_cursor_theme;
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struct wl_buffer;
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struct wl_shm;
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struct wl_event_queue;
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namespace KWin
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{
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namespace Wayland
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{
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class ShmPool;
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class WaylandBackend;
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class WaylandSeat;
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class ConnectionThread;
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class FullscreenShell;
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class Output;
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class Registry;
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class CursorData
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{
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public:
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CursorData();
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~CursorData();
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bool isValid() const;
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const QPoint &hotSpot() const;
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const QImage &cursor() const;
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private:
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bool init();
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QImage m_cursor;
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QPoint m_hotSpot;
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bool m_valid;
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};
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class X11CursorTracker : public QObject
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{
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Q_OBJECT
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public:
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explicit X11CursorTracker(WaylandSeat *seat, WaylandBackend *backend, QObject* parent = 0);
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virtual ~X11CursorTracker();
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void resetCursor();
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private Q_SLOTS:
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void cursorChanged(uint32_t serial);
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private:
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void installCursor(const CursorData &cursor);
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WaylandSeat *m_seat;
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QHash<uint32_t, CursorData> m_cursors;
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WaylandBackend *m_backend;
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uint32_t m_installedCursor;
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uint32_t m_lastX11Cursor;
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};
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class Buffer
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{
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public:
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Buffer(wl_buffer *buffer, const QSize &size, int32_t stride, size_t offset);
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~Buffer();
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void copy(const void *src);
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void setReleased(bool released);
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void setUsed(bool used);
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wl_buffer *buffer() const;
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const QSize &size() const;
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int32_t stride() const;
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bool isReleased() const;
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bool isUsed() const;
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uchar *address();
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private:
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wl_buffer *m_nativeBuffer;
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bool m_released;
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QSize m_size;
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int32_t m_stride;
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size_t m_offset;
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bool m_used;
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};
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class ShmPool : public QObject
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{
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Q_OBJECT
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public:
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ShmPool(wl_shm *shm);
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~ShmPool();
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bool isValid() const;
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wl_buffer *createBuffer(const QImage &image);
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wl_buffer *createBuffer(const QSize &size, int32_t stride, const void *src);
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void *poolAddress() const;
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Buffer *getBuffer(const QSize &size, int32_t stride);
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wl_shm *shm();
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Q_SIGNALS:
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void poolResized();
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private:
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bool createPool();
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bool resizePool(int32_t newSize);
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wl_shm *m_shm;
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wl_shm_pool *m_pool;
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void *m_poolData;
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int32_t m_size;
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QScopedPointer<QTemporaryFile> m_tmpFile;
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bool m_valid;
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int m_offset;
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QList<Buffer*> m_buffers;
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};
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class WaylandSeat : public QObject
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{
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Q_OBJECT
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public:
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WaylandSeat(wl_seat *seat, WaylandBackend *backend);
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virtual ~WaylandSeat();
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void changed(uint32_t capabilities);
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wl_seat *seat();
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void pointerEntered(uint32_t serial);
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void resetCursor();
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void installCursorImage(wl_buffer *image, const QSize &size, const QPoint &hotspot);
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void installCursorImage(Qt::CursorShape shape);
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private Q_SLOTS:
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void loadTheme();
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private:
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void destroyPointer();
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void destroyKeyboard();
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void destroyTheme();
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wl_seat *m_seat;
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wl_pointer *m_pointer;
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wl_keyboard *m_keyboard;
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wl_surface *m_cursor;
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wl_cursor_theme *m_theme;
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uint32_t m_enteredSerial;
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QScopedPointer<X11CursorTracker> m_cursorTracker;
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WaylandBackend *m_backend;
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};
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/**
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* @brief Class encapsulating all Wayland data structures needed by the Egl backend.
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*
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* It creates the connection to the Wayland Compositor, sets up the registry and creates
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* the Wayland surface and its shell mapping.
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*/
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class KWIN_EXPORT WaylandBackend : public QObject
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{
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Q_OBJECT
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public:
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virtual ~WaylandBackend();
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wl_display *display();
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wl_registry *registry();
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void setCompositor(wl_compositor *c);
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wl_compositor *compositor();
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void setShell(wl_shell *s);
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wl_shell *shell();
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void addOutput(wl_output *o);
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const QList<Output*> &outputs() const;
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ShmPool *shmPool();
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void createSeat(uint32_t name);
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void createShm(uint32_t name);
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void ping(uint32_t serial);
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wl_surface *surface() const;
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const QSize &shellSurfaceSize() const;
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void setShellSurfaceSize(const QSize &size);
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void installCursorImage(Qt::CursorShape shape);
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void dispatchEvents();
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Q_SIGNALS:
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void shellSurfaceSizeChanged(const QSize &size);
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void systemCompositorDied();
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void backendReady();
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void outputsChanged();
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void connectionFailed();
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private:
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void initConnection();
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void createSurface();
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void destroyOutputs();
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wl_display *m_display;
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wl_event_queue *m_eventQueue;
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Registry *m_registry;
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wl_compositor *m_compositor;
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wl_shell *m_shell;
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wl_surface *m_surface;
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wl_shell_surface *m_shellSurface;
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QSize m_shellSurfaceSize;
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QScopedPointer<WaylandSeat> m_seat;
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QScopedPointer<ShmPool> m_shm;
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QList<Output*> m_outputs;
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ConnectionThread *m_connectionThreadObject;
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QThread *m_connectionThread;
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FullscreenShell *m_fullscreenShell;
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KWIN_SINGLETON(WaylandBackend)
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};
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inline
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bool CursorData::isValid() const
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{
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return m_valid;
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}
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inline
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const QPoint& CursorData::hotSpot() const
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{
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return m_hotSpot;
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}
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inline
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const QImage &CursorData::cursor() const
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{
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return m_cursor;
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}
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inline
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wl_seat *WaylandSeat::seat()
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{
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return m_seat;
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}
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inline
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bool ShmPool::isValid() const
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{
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return m_valid;
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}
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inline
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void* ShmPool::poolAddress() const
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{
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return m_poolData;
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}
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inline
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wl_shm *ShmPool::shm()
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{
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return m_shm;
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}
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inline
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wl_display *WaylandBackend::display()
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{
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return m_display;
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}
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inline
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void WaylandBackend::setCompositor(wl_compositor *c)
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{
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m_compositor = c;
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}
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inline
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wl_compositor *WaylandBackend::compositor()
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{
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return m_compositor;
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}
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inline
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wl_shell *WaylandBackend::shell()
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{
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return m_shell;
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}
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inline
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ShmPool* WaylandBackend::shmPool()
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{
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return m_shm.data();
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}
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inline
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wl_surface *WaylandBackend::surface() const
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{
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return m_surface;
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}
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inline
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const QSize &WaylandBackend::shellSurfaceSize() const
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{
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return m_shellSurfaceSize;
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}
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inline
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const QList< Output* >& WaylandBackend::outputs() const
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{
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return m_outputs;
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}
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inline
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wl_buffer* Buffer::buffer() const
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{
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return m_nativeBuffer;
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}
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inline
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const QSize& Buffer::size() const
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{
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return m_size;
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}
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inline
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int32_t Buffer::stride() const
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{
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return m_stride;
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}
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inline
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bool Buffer::isReleased() const
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{
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return m_released;
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}
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inline
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void Buffer::setReleased(bool released)
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{
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m_released = released;
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}
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inline
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bool Buffer::isUsed() const
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{
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return m_used;
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}
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inline
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void Buffer::setUsed(bool used)
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{
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m_used = used;
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}
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} // namespace Wayland
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} // namespace KWin
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#endif // KWIN_WAYLAND_BACKEND_H
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