1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the plugins of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 3 requirements
23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24 **
25 ** GNU General Public License Usage
26 ** Alternatively, this file may be used under the terms of the GNU
27 ** General Public License version 2.0 or (at your option) the GNU General
28 ** Public license version 3 or any later version approved by the KDE Free
29 ** Qt Foundation. The licenses are as published by the Free Software
30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31 ** included in the packaging of this file. Please review the following
32 ** information to ensure the GNU General Public License requirements will
33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34 ** https://www.gnu.org/licenses/gpl-3.0.html.
35 **
36 ** $QT_END_LICENSE$
37 **
38 ****************************************************************************/
39 
40 #ifndef QXCBINTEGRATION_H
41 #define QXCBINTEGRATION_H
42 
43 #include <QtGui/private/qtguiglobal_p.h>
44 #include <qpa/qplatformintegration.h>
45 #include <qpa/qplatformscreen.h>
46 
47 #include "qxcbexport.h"
48 
49 #include <xcb/xcb.h>
50 
51 QT_BEGIN_NAMESPACE
52 
53 class QXcbConnection;
54 class QAbstractEventDispatcher;
55 class QXcbNativeInterface;
56 
57 class Q_XCB_EXPORT QXcbIntegration : public QPlatformIntegration
58 {
59 public:
60     QXcbIntegration(const QStringList &parameters, int &argc, char **argv);
61     ~QXcbIntegration();
62 
63     QPlatformPixmap *createPlatformPixmap(QPlatformPixmap::PixelType type) const override;
64     QPlatformWindow *createPlatformWindow(QWindow *window) const override;
65     QPlatformWindow *createForeignWindow(QWindow *window, WId nativeHandle) const override;
66 #ifndef QT_NO_OPENGL
67     QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const override;
68 #endif
69     QPlatformBackingStore *createPlatformBackingStore(QWindow *window) const override;
70 
71     QPlatformOffscreenSurface *createPlatformOffscreenSurface(QOffscreenSurface *surface) const override;
72 
73     bool hasCapability(Capability cap) const override;
74     QAbstractEventDispatcher *createEventDispatcher() const override;
75     void initialize() override;
76 
77     void moveToScreen(QWindow *window, int screen);
78 
79     QPlatformFontDatabase *fontDatabase() const override;
80 
81     QPlatformNativeInterface *nativeInterface()const override;
82 
83 #ifndef QT_NO_CLIPBOARD
84     QPlatformClipboard *clipboard() const override;
85 #endif
86 #if QT_CONFIG(draganddrop)
87     QPlatformDrag *drag() const override;
88 #endif
89 
90     QPlatformInputContext *inputContext() const override;
91 
92 #ifndef QT_NO_ACCESSIBILITY
93     QPlatformAccessibility *accessibility() const override;
94 #endif
95 
96     QPlatformServices *services() const override;
97 
98     Qt::KeyboardModifiers queryKeyboardModifiers() const override;
99     QList<int> possibleKeys(const QKeyEvent *e) const override;
100 
101     QStringList themeNames() const override;
102     QPlatformTheme *createPlatformTheme(const QString &name) const override;
103     QVariant styleHint(StyleHint hint) const override;
104 
hasDefaultConnection()105     bool hasDefaultConnection() const { return !m_connections.isEmpty(); }
defaultConnection()106     QXcbConnection *defaultConnection() const { return m_connections.first(); }
107 
108     QByteArray wmClass() const;
109 
110 #if QT_CONFIG(xcb_sm)
111     QPlatformSessionManager *createPlatformSessionManager(const QString &id, const QString &key) const override;
112 #endif
113 
114     void sync() override;
115 
116     void beep() const override;
117 
118     bool nativePaintingEnabled() const;
119 
120 #if QT_CONFIG(vulkan)
121     QPlatformVulkanInstance *createPlatformVulkanInstance(QVulkanInstance *instance) const override;
122 #endif
123 
instance()124     static QXcbIntegration *instance() { return m_instance; }
125 
126 private:
127     QList<QXcbConnection *> m_connections;
128 
129     QScopedPointer<QPlatformFontDatabase> m_fontDatabase;
130     QScopedPointer<QXcbNativeInterface> m_nativeInterface;
131 
132     QScopedPointer<QPlatformInputContext> m_inputContext;
133 
134 #ifndef QT_NO_ACCESSIBILITY
135     mutable QScopedPointer<QPlatformAccessibility> m_accessibility;
136 #endif
137 
138     QScopedPointer<QPlatformServices> m_services;
139 
140     mutable QByteArray m_wmClass;
141     const char *m_instanceName;
142     bool m_canGrab;
143     xcb_visualid_t m_defaultVisualId;
144 
145     static QXcbIntegration *m_instance;
146 };
147 
148 QT_END_NAMESPACE
149 
150 #endif
151