9a0fd94013
The AbstractBackend registers itself in the WaylandServer allowing external users to easily get to the backend and not needing to test manually which backend is used.
103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_X11WINDOWED_BACKEND_H
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#define KWIN_X11WINDOWED_BACKEND_H
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#include "abstract_backend.h"
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#include <kwin_export.h>
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#include <QObject>
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#include <QSize>
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#include <xcb/xcb.h>
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struct _XDisplay;
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typedef struct _XDisplay Display;
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namespace KWin
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{
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class KWIN_EXPORT X11WindowedBackend : public AbstractBackend
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{
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Q_OBJECT
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Q_PROPERTY(QSize size READ size NOTIFY sizeChanged)
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public:
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virtual ~X11WindowedBackend();
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xcb_connection_t *connection() const {
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return m_connection;
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}
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int screenNumer() const {
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return m_screenNumber;
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}
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xcb_window_t window() const {
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return m_window;
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}
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Display *display() const {
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return m_display;
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}
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xcb_window_t rootWindow() const;
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bool isValid() const {
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return m_connection != nullptr && m_window != XCB_WINDOW_NONE;
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}
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QSize size() const {
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return m_size;
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}
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void installCursorFromServer() override;
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static X11WindowedBackend *self();
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static X11WindowedBackend *create(const QString &display, const QSize &size, QObject *parent);
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Q_SIGNALS:
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void sizeChanged();
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private:
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X11WindowedBackend(const QString &display, const QSize &size, QObject *parent);
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void createWindow();
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void startEventReading();
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void handleEvent(xcb_generic_event_t *event);
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void handleClientMessage(xcb_client_message_event_t *event);
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void handleButtonPress(xcb_button_press_event_t *event);
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void handleExpose(xcb_expose_event_t *event);
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void updateSize(xcb_configure_notify_event_t *event);
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xcb_connection_t *m_connection = nullptr;
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xcb_screen_t *m_screen = nullptr;
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int m_screenNumber = 0;
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xcb_window_t m_window = XCB_WINDOW_NONE;
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QSize m_size;
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xcb_atom_t m_protocols = XCB_ATOM_NONE;
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xcb_atom_t m_deleteWindowProtocol = XCB_ATOM_NONE;
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xcb_cursor_t m_cursor = XCB_CURSOR_NONE;
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Display *m_display = nullptr;
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static X11WindowedBackend *s_self;
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};
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inline X11WindowedBackend *X11WindowedBackend::self()
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{
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return s_self;
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}
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}
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#endif
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