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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWAYLANDDISPLAY_H
#define QWAYLANDDISPLAY_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/QObject>
#include <QtCore/QRect>
#include <QtCore/QPointer>
#include <QtCore/QVector>
#include <QtCore/QWaitCondition>
#include <wayland-client.h>
#include <QtWaylandClient/private/qwayland-wayland.h>
#include <QtWaylandClient/qwaylandclientexport.h>
#include <QtWaylandClient/private/qwayland-xdg-shell.h>
#include <QtWaylandClient/private/qwaylandshm_p.h>
struct wl_cursor_image;
QT_BEGIN_NAMESPACE
class QAbstractEventDispatcher;
class QSocketNotifier;
class QPlatformScreen;
namespace QtWayland {
class qt_shell;
class qt_sub_surface_extension;
class qt_surface_extension;
class zwp_text_input_manager_v2;
class xdg_shell;
}
namespace QtWaylandClient {
class QWaylandInputDevice;
class QWaylandBuffer;
class QWaylandScreen;
class QWaylandClientBufferIntegration;
class QWaylandWindowManagerIntegration;
class QWaylandDataDeviceManager;
class QWaylandTouchExtension;
class QWaylandQtKeyExtension;
class QWaylandWindow;
class QWaylandEventThread;
class QWaylandIntegration;
class QWaylandHardwareIntegration;
class QWaylandXdgShell;
class QWaylandShellSurface;
typedef void (*RegistryListener)(void *data,
struct wl_registry *registry,
uint32_t id,
const QString &interface,
uint32_t version);
class Q_WAYLAND_CLIENT_EXPORT QWaylandDisplay : public QObject, public QtWayland::wl_registry {
Q_OBJECT
public:
QWaylandDisplay(QWaylandIntegration *waylandIntegration);
~QWaylandDisplay(void);
QList<QWaylandScreen *> screens() const { return mScreens; }
QWaylandScreen *screenForOutput(struct wl_output *output) const;
struct wl_surface *createSurface(void *handle);
QWaylandShellSurface *createShellSurface(QWaylandWindow *window);
struct ::wl_region *createRegion(const QRegion &qregion);
struct ::wl_subsurface *createSubSurface(QWaylandWindow *window, QWaylandWindow *parent);
QWaylandClientBufferIntegration *clientBufferIntegration() const;
QWaylandWindowManagerIntegration *windowManagerIntegration() const;
void setCursor(struct wl_buffer *buffer, struct wl_cursor_image *image);
void setCursor(const QSharedPointer<QWaylandBuffer> &buffer, const QPoint &hotSpot);
struct wl_display *wl_display() const { return mDisplay; }
struct ::wl_registry *wl_registry() { return object(); }
const struct wl_compositor *wl_compositor() const { return mCompositor.object(); }
QtWayland::wl_compositor *compositor() { return &mCompositor; }
int compositorVersion() const { return mCompositorVersion; }
QtWayland::wl_shell *shell() { return mShell.data(); }
QtWayland::xdg_shell *shellXdg();
QList<QWaylandInputDevice *> inputDevices() const { return mInputDevices; }
QWaylandInputDevice *defaultInputDevice() const;
QWaylandInputDevice *currentInputDevice() const { return defaultInputDevice(); }
QWaylandDataDeviceManager *dndSelectionHandler() const { return mDndSelectionHandler.data(); }
QtWayland::qt_surface_extension *windowExtension() const { return mWindowExtension.data(); }
QWaylandTouchExtension *touchExtension() const { return mTouchExtension.data(); }
QtWayland::zwp_text_input_manager_v2 *textInputManager() const { return mTextInputManager.data(); }
QWaylandHardwareIntegration *hardwareIntegration() const { return mHardwareIntegration.data(); }
struct RegistryGlobal {
uint32_t id;
QString interface;
uint32_t version;
struct ::wl_registry *registry;
RegistryGlobal(uint32_t id_, const QString &interface_, uint32_t version_, struct ::wl_registry *registry_)
: id(id_), interface(interface_), version(version_), registry(registry_) { }
};
QList<RegistryGlobal> globals() const { return mGlobals; }
/* wl_registry_add_listener does not add but rather sets a listener, so this function is used
* to enable many listeners at once. */
void addRegistryListener(RegistryListener listener, void *data);
QWaylandShm *shm() const { return mShm.data(); }
static uint32_t currentTimeMillisec();
void forceRoundTrip();
bool supportsWindowDecoration() const;
uint32_t lastInputSerial() const { return mLastInputSerial; }
QWaylandInputDevice *lastInputDevice() const { return mLastInputDevice; }
QWaylandWindow *lastInputWindow() const;
void setLastInputDevice(QWaylandInputDevice *device, uint32_t serial, QWaylandWindow *window);
bool shellManagesActiveState() const;
void handleWindowActivated(QWaylandWindow *window);
void handleWindowDeactivated(QWaylandWindow *window);
void handleKeyboardFocusChanged(QWaylandInputDevice *inputDevice);
public slots:
void blockingReadEvents();
void flushRequests();
private:
void waitForScreens();
void exitWithError();
void checkError() const;
void handleWaylandSync();
void requestWaylandSync();
struct Listener {
RegistryListener listener;
void *data;
};
struct wl_display *mDisplay;
QtWayland::wl_compositor mCompositor;
QScopedPointer<QWaylandShm> mShm;
QScopedPointer<QtWayland::wl_shell> mShell;
QScopedPointer<QWaylandXdgShell> mShellXdg;
QList<QWaylandScreen *> mScreens;
QList<QWaylandInputDevice *> mInputDevices;
QList<Listener> mRegistryListeners;
QWaylandIntegration *mWaylandIntegration;
QScopedPointer<QWaylandDataDeviceManager> mDndSelectionHandler;
QScopedPointer<QtWayland::qt_surface_extension> mWindowExtension;
QScopedPointer<QtWayland::wl_subcompositor> mSubCompositor;
QScopedPointer<QWaylandTouchExtension> mTouchExtension;
QScopedPointer<QWaylandQtKeyExtension> mQtKeyExtension;
QScopedPointer<QWaylandWindowManagerIntegration> mWindowManagerIntegration;
QScopedPointer<QtWayland::zwp_text_input_manager_v2> mTextInputManager;
QScopedPointer<QWaylandHardwareIntegration> mHardwareIntegration;
QSocketNotifier *mReadNotifier;
int mFd;
int mWritableNotificationFd;
QList<RegistryGlobal> mGlobals;
int mCompositorVersion;
uint32_t mLastInputSerial;
QWaylandInputDevice *mLastInputDevice;
QPointer<QWaylandWindow> mLastInputWindow;
QWaylandWindow *mLastKeyboardFocus;
QVector<QWaylandWindow *> mActiveWindows;
struct wl_callback *mSyncCallback;
static const wl_callback_listener syncCallbackListener;
void registry_global(uint32_t id, const QString &interface, uint32_t version) Q_DECL_OVERRIDE;
void registry_global_remove(uint32_t id) Q_DECL_OVERRIDE;
static void shellHandleConfigure(void *data, struct wl_shell *shell,
uint32_t time, uint32_t edges,
struct wl_surface *surface,
int32_t width, int32_t height);
};
}
QT_END_NAMESPACE
#endif // QWAYLANDDISPLAY_H
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