1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#pragma once
5
6#include <qpa/qplatformnativeinterface.h>
7#include <xcb/xcb.h>
8
9#include <QtCore/QRect>
10
11#include <QtGui/qguiapplication.h>
12
13#include "qxcbexport.h"
14#include "qxcbconnection.h"
15
16QT_BEGIN_NAMESPACE
17
18class QXcbScreen;
19class QXcbNativeInterfaceHandler;
20
21class Q_XCB_EXPORT QXcbNativeInterface : public QPlatformNativeInterface
22 , public QNativeInterface::QX11Application
23{
24 Q_OBJECT
25public:
26 enum ResourceType {
27 XDisplay,
28 Connection,
29 Screen,
30 AppTime,
31 AppUserTime,
32 ScreenHintStyle,
33 StartupId,
34 TrayWindow,
35 GetTimestamp,
36 X11Screen,
37 RootWindow,
38 ScreenSubpixelType,
39 ScreenAntialiasingEnabled,
40 AtspiBus,
41 CompositingEnabled,
42 VkSurface,
43 GeneratePeekerId,
44 RemovePeekerId,
45 PeekEventQueue
46 };
47
48 QXcbNativeInterface();
49
50 void *nativeResourceForIntegration(const QByteArray &resource) override;
51 void *nativeResourceForContext(const QByteArray &resourceString, QOpenGLContext *context) override;
52 void *nativeResourceForScreen(const QByteArray &resource, QScreen *screen) override;
53 void *nativeResourceForWindow(const QByteArray &resourceString, QWindow *window) override;
54 void *nativeResourceForBackingStore(const QByteArray &resource, QBackingStore *backingStore) override;
55#ifndef QT_NO_CURSOR
56 void *nativeResourceForCursor(const QByteArray &resource, const QCursor &cursor) override;
57#endif
58
59 NativeResourceForIntegrationFunction nativeResourceFunctionForIntegration(const QByteArray &resource) override;
60 NativeResourceForContextFunction nativeResourceFunctionForContext(const QByteArray &resource) override;
61 NativeResourceForScreenFunction nativeResourceFunctionForScreen(const QByteArray &resource) override;
62 NativeResourceForWindowFunction nativeResourceFunctionForWindow(const QByteArray &resource) override;
63 NativeResourceForBackingStoreFunction nativeResourceFunctionForBackingStore(const QByteArray &resource) override;
64
65 QFunctionPointer platformFunction(const QByteArray &function) const override;
66
67 inline const QByteArray &nativeEventType() const { return m_nativeEventType; }
68
69 void *displayForWindow(QWindow *window);
70 void *connectionForWindow(QWindow *window);
71 void *screenForWindow(QWindow *window);
72 void *appTime(const QXcbScreen *screen);
73 void *appUserTime(const QXcbScreen *screen);
74 void *getTimestamp(const QXcbScreen *screen);
75 void *startupId();
76 void *x11Screen();
77 void *rootWindow();
78
79 Display *display() const override;
80 xcb_connection_t *connection() const override;
81
82 void *atspiBus();
83 static void setStartupId(const char *);
84 static void setAppTime(QScreen *screen, xcb_timestamp_t time);
85 static void setAppUserTime(QScreen *screen, xcb_timestamp_t time);
86
87 static qint32 generatePeekerId();
88 static bool removePeekerId(qint32 peekerId);
89 static bool peekEventQueue(QXcbEventQueue::PeekerCallback peeker, void *peekerData = nullptr,
90 QXcbEventQueue::PeekOptions option = QXcbEventQueue::PeekDefault,
91 qint32 peekerId = -1);
92
93 Q_INVOKABLE QString dumpConnectionNativeWindows(const QXcbConnection *connection, WId root) const;
94 Q_INVOKABLE QString dumpNativeWindows(WId root = 0) const;
95
96 void addHandler(QXcbNativeInterfaceHandler *handler);
97 void removeHandler(QXcbNativeInterfaceHandler *handler);
98signals:
99 void systemTrayWindowChanged(QScreen *screen);
100
101private:
102 const QByteArray m_nativeEventType = QByteArrayLiteral("xcb_generic_event_t");
103
104 static QXcbScreen *qPlatformScreenForWindow(QWindow *window);
105
106 QList<QXcbNativeInterfaceHandler *> m_handlers;
107 NativeResourceForIntegrationFunction handlerNativeResourceFunctionForIntegration(const QByteArray &resource) const;
108 NativeResourceForContextFunction handlerNativeResourceFunctionForContext(const QByteArray &resource) const;
109 NativeResourceForScreenFunction handlerNativeResourceFunctionForScreen(const QByteArray &resource) const;
110 NativeResourceForWindowFunction handlerNativeResourceFunctionForWindow(const QByteArray &resource) const;
111 NativeResourceForBackingStoreFunction handlerNativeResourceFunctionForBackingStore(const QByteArray &resource) const;
112 QFunctionPointer handlerPlatformFunction(const QByteArray &function) const;
113 void *handlerNativeResourceForIntegration(const QByteArray &resource) const;
114 void *handlerNativeResourceForContext(const QByteArray &resource, QOpenGLContext *context) const;
115 void *handlerNativeResourceForScreen(const QByteArray &resource, QScreen *screen) const;
116 void *handlerNativeResourceForWindow(const QByteArray &resource, QWindow *window) const;
117 void *handlerNativeResourceForBackingStore(const QByteArray &resource, QBackingStore *backingStore) const;
118};
119
120QT_END_NAMESPACE
121

source code of qtbase/src/plugins/platforms/xcb/qxcbnativeinterface.h