kwin/plugins/platforms/wayland/wayland_backend.h
Martin Gräßlin bec69b5705 [platforms/wayland] Use XdgShell if available and prefer it
Summary:
With this change the Wayland platform plugin uses the XdgShell to
create the window if available. This allows to close the window and
thus quit the nested kwin_wayland properly.

Reviewers: #kwin, #plasma_on_wayland

Subscribers: plasma-devel, kwin

Tags: #plasma_on_wayland, #kwin

Differential Revision: https://phabricator.kde.org/D2201
2016-07-20 07:43:59 +02:00

181 lines
4.6 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2013 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_WAYLAND_BACKEND_H
#define KWIN_WAYLAND_BACKEND_H
// KWin
#include "platform.h"
#include <config-kwin.h>
#include <kwinglobals.h>
// Qt
#include <QHash>
#include <QImage>
#include <QObject>
#include <QPoint>
#include <QSize>
class QTemporaryFile;
struct wl_buffer;
struct wl_display;
struct wl_event_queue;
struct wl_seat;
namespace KWayland
{
namespace Client
{
class Buffer;
class ShmPool;
class Compositor;
class ConnectionThread;
class EventQueue;
class Keyboard;
class Pointer;
class Registry;
class Seat;
class Shell;
class ShellSurface;
class Surface;
class Touch;
class XdgShell;
class XdgShellSurface;
}
}
namespace KWin
{
class WaylandCursorTheme;
namespace Wayland
{
class WaylandBackend;
class WaylandSeat;
class WaylandSeat : public QObject
{
Q_OBJECT
public:
WaylandSeat(wl_seat *seat, WaylandBackend *backend);
virtual ~WaylandSeat();
void installCursorImage(wl_buffer *image, const QSize &size, const QPoint &hotspot);
void installCursorImage(const QImage &image, const QPoint &hotspot);
void setInstallCursor(bool install);
bool isInstallCursor() const {
return m_installCursor;
}
private:
void destroyPointer();
void destroyKeyboard();
void destroyTouch();
KWayland::Client::Seat *m_seat;
KWayland::Client::Pointer *m_pointer;
KWayland::Client::Keyboard *m_keyboard;
KWayland::Client::Touch *m_touch;
KWayland::Client::Surface *m_cursor;
uint32_t m_enteredSerial;
WaylandBackend *m_backend;
bool m_installCursor;
};
/**
* @brief Class encapsulating all Wayland data structures needed by the Egl backend.
*
* It creates the connection to the Wayland Compositor, sets up the registry and creates
* the Wayland surface and its shell mapping.
*/
class KWIN_EXPORT WaylandBackend : public Platform
{
Q_OBJECT
Q_INTERFACES(KWin::Platform)
Q_PLUGIN_METADATA(IID "org.kde.kwin.Platform" FILE "wayland.json")
public:
explicit WaylandBackend(QObject *parent = nullptr);
virtual ~WaylandBackend();
void init() override;
wl_display *display();
KWayland::Client::Compositor *compositor();
KWayland::Client::ShmPool *shmPool();
KWayland::Client::Surface *surface() const;
QSize shellSurfaceSize() const;
Screens *createScreens(QObject *parent = nullptr) override;
OpenGLBackend *createOpenGLBackend() override;
QPainterBackend *createQPainterBackend() override;
QSize screenSize() const override {
return shellSurfaceSize();
}
void flush();
Q_SIGNALS:
void shellSurfaceSizeChanged(const QSize &size);
void systemCompositorDied();
void connectionFailed();
private:
void initConnection();
void createSurface();
template <class T>
void setupSurface(T *surface);
wl_display *m_display;
KWayland::Client::EventQueue *m_eventQueue;
KWayland::Client::Registry *m_registry;
KWayland::Client::Compositor *m_compositor;
KWayland::Client::Shell *m_shell;
KWayland::Client::Surface *m_surface;
KWayland::Client::ShellSurface *m_shellSurface;
KWayland::Client::XdgShell *m_xdgShell = nullptr;
KWayland::Client::XdgShellSurface *m_xdgShellSurface = nullptr;
QScopedPointer<WaylandSeat> m_seat;
KWayland::Client::ShmPool *m_shm;
KWayland::Client::ConnectionThread *m_connectionThreadObject;
QThread *m_connectionThread;
};
inline
wl_display *WaylandBackend::display()
{
return m_display;
}
inline
KWayland::Client::Compositor *WaylandBackend::compositor()
{
return m_compositor;
}
inline
KWayland::Client::ShmPool* WaylandBackend::shmPool()
{
return m_shm;
}
inline
KWayland::Client::Surface *WaylandBackend::surface() const
{
return m_surface;
}
} // namespace Wayland
} // namespace KWin
#endif // KWIN_WAYLAND_BACKEND_H