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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QXCBCONNECTION_H
+#define QXCBCONNECTION_H
+
+#include <xcb/xcb.h>
+
+#include <QList>
+#include <QObject>
+
+class QXcbScreen;
+
+namespace QXcbAtom {
+ enum Atom {
+ // window-manager <-> client protocols
+ WM_PROTOCOLS,
+ WM_DELETE_WINDOW,
+ WM_TAKE_FOCUS,
+ _NET_WM_PING,
+ _NET_WM_CONTEXT_HELP,
+ _NET_WM_SYNC_REQUEST,
+ _NET_WM_SYNC_REQUEST_COUNTER,
+
+ // ICCCM window state
+ WM_STATE,
+ WM_CHANGE_STATE,
+
+ // Session management
+ WM_CLIENT_LEADER,
+ WM_WINDOW_ROLE,
+ SM_CLIENT_ID,
+
+ // Clipboard
+ CLIPBOARD,
+ INCR,
+ TARGETS,
+ MULTIPLE,
+ TIMESTAMP,
+ SAVE_TARGETS,
+ CLIP_TEMPORARY,
+ _QT_SELECTION,
+ _QT_CLIPBOARD_SENTINEL,
+ _QT_SELECTION_SENTINEL,
+ CLIPBOARD_MANAGER,
+
+ RESOURCE_MANAGER,
+
+ _XSETROOT_ID,
+
+ _QT_SCROLL_DONE,
+ _QT_INPUT_ENCODING,
+
+ _MOTIF_WM_HINTS,
+
+ DTWM_IS_RUNNING,
+ ENLIGHTENMENT_DESKTOP,
+ _DT_SAVE_MODE,
+ _SGI_DESKS_MANAGER,
+
+ // EWMH (aka NETWM)
+ _NET_SUPPORTED,
+ _NET_VIRTUAL_ROOTS,
+ _NET_WORKAREA,
+
+ _NET_MOVERESIZE_WINDOW,
+ _NET_WM_MOVERESIZE,
+
+ _NET_WM_NAME,
+ _NET_WM_ICON_NAME,
+ _NET_WM_ICON,
+
+ _NET_WM_PID,
+
+ _NET_WM_WINDOW_OPACITY,
+
+ _NET_WM_STATE,
+ _NET_WM_STATE_ABOVE,
+ _NET_WM_STATE_BELOW,
+ _NET_WM_STATE_FULLSCREEN,
+ _NET_WM_STATE_MAXIMIZED_HORZ,
+ _NET_WM_STATE_MAXIMIZED_VERT,
+ _NET_WM_STATE_MODAL,
+ _NET_WM_STATE_STAYS_ON_TOP,
+ _NET_WM_STATE_DEMANDS_ATTENTION,
+
+ _NET_WM_USER_TIME,
+ _NET_WM_USER_TIME_WINDOW,
+ _NET_WM_FULL_PLACEMENT,
+
+ _NET_WM_WINDOW_TYPE,
+ _NET_WM_WINDOW_TYPE_DESKTOP,
+ _NET_WM_WINDOW_TYPE_DOCK,
+ _NET_WM_WINDOW_TYPE_TOOLBAR,
+ _NET_WM_WINDOW_TYPE_MENU,
+ _NET_WM_WINDOW_TYPE_UTILITY,
+ _NET_WM_WINDOW_TYPE_SPLASH,
+ _NET_WM_WINDOW_TYPE_DIALOG,
+ _NET_WM_WINDOW_TYPE_DROPDOWN_MENU,
+ _NET_WM_WINDOW_TYPE_POPUP_MENU,
+ _NET_WM_WINDOW_TYPE_TOOLTIP,
+ _NET_WM_WINDOW_TYPE_NOTIFICATION,
+ _NET_WM_WINDOW_TYPE_COMBO,
+ _NET_WM_WINDOW_TYPE_DND,
+ _NET_WM_WINDOW_TYPE_NORMAL,
+ _KDE_NET_WM_WINDOW_TYPE_OVERRIDE,
+
+ _KDE_NET_WM_FRAME_STRUT,
+
+ _NET_STARTUP_INFO,
+ _NET_STARTUP_INFO_BEGIN,
+
+ _NET_SUPPORTING_WM_CHECK,
+
+ _NET_WM_CM_S0,
+
+ _NET_SYSTEM_TRAY_VISUAL,
+
+ _NET_ACTIVE_WINDOW,
+
+ // Property formats
+ COMPOUND_TEXT,
+ TEXT,
+ UTF8_STRING,
+
+ // Xdnd
+ XdndEnter,
+ XdndPosition,
+ XdndStatus,
+ XdndLeave,
+ XdndDrop,
+ XdndFinished,
+ XdndTypelist,
+ XdndActionList,
+
+ XdndSelection,
+
+ XdndAware,
+ XdndProxy,
+
+ XdndActionCopy,
+ XdndActionLink,
+ XdndActionMove,
+ XdndActionPrivate,
+
+ // Motif DND
+ _MOTIF_DRAG_AND_DROP_MESSAGE,
+ _MOTIF_DRAG_INITIATOR_INFO,
+ _MOTIF_DRAG_RECEIVER_INFO,
+ _MOTIF_DRAG_WINDOW,
+ _MOTIF_DRAG_TARGETS,
+
+ XmTRANSFER_SUCCESS,
+ XmTRANSFER_FAILURE,
+
+ // Xkb
+ _XKB_RULES_NAMES,
+
+ // XEMBED
+ _XEMBED,
+ _XEMBED_INFO,
+
+ XWacomStylus,
+ XWacomCursor,
+ XWacomEraser,
+
+ XTabletStylus,
+ XTabletEraser,
+
+ NPredefinedAtoms,
+
+ _QT_SETTINGS_TIMESTAMP = NPredefinedAtoms,
+ NAtoms
+ };
+}
+
+class QXcbKeyboard;
+
+class QXcbConnection : public QObject
+{
+ Q_OBJECT
+public:
+ QXcbConnection(const char *displayName = 0);
+ ~QXcbConnection();
+
+ QList<QXcbScreen *> screens() const { return m_screens; }
+ int primaryScreen() const { return m_primaryScreen; }
+
+ xcb_atom_t atom(QXcbAtom::Atom atom);
+
+ const char *displayName() const { return m_displayName.constData(); }
+
+ xcb_connection_t *xcb_connection() const { return m_connection; }
+
+ QXcbKeyboard *keyboard() const { return m_keyboard; }
+
+#ifdef XCB_USE_XLIB
+ void *xlib_display() const { return m_xlib_display; }
+#endif
+
+#ifdef XCB_USE_DRI2
+ bool hasSupportForDri2() const;
+ QByteArray dri2DeviceName() const { return m_dri2_device_name; }
+#endif
+#ifdef XCB_USE_EGL
+ bool hasEgl() const;
+#endif
+#if defined(XCB_USE_EGL) || defined(XCB_USE_DRI2)
+ void *egl_display() const { return m_egl_display; }
+#endif
+
+private slots:
+ void eventDispatcher();
+
+private:
+ void initializeAllAtoms();
+#ifdef XCB_USE_DRI2
+ void initializeDri2();
+#endif
+
+ xcb_connection_t *m_connection;
+ const xcb_setup_t *m_setup;
+
+ QList<QXcbScreen *> m_screens;
+ int m_primaryScreen;
+
+ xcb_atom_t m_allAtoms[QXcbAtom::NAtoms];
+
+ QByteArray m_displayName;
+
+ QXcbKeyboard *m_keyboard;
+
+#if defined(XCB_USE_XLIB)
+ void *m_xlib_display;
+#endif
+
+#ifdef XCB_USE_DRI2
+ uint32_t m_dri2_major;
+ uint32_t m_dri2_minor;
+ bool m_dri2_support_probed;
+ bool m_has_support_for_dri2;
+ QByteArray m_dri2_device_name;
+#endif
+#if defined(XCB_USE_EGL) || defined(XCB_USE_DRI2)
+ void *m_egl_display;
+ bool m_has_egl;
+#endif
+};
+
+#define DISPLAY_FROM_XCB(object) ((Display *)(object->connection()->xlib_display()))
+
+#if defined(XCB_USE_DRI2) || defined(XCB_USE_EGL)
+#define EGL_DISPLAY_FROM_XCB(object) ((EGLDisplay)(object->connection()->egl_display()))
+#endif //endifXCB_USE_DRI2
+
+#endif