kwin/backends/x11/x11windowed_backend.h
Martin Gräßlin c4f8bed815 [wayland] Use a pure virtual AbstractBackend::init method
Two backends already used an init method, let's make that the same
in all backends to be able to have shared startup code.
2015-05-06 08:34:26 +02:00

100 lines
2.8 KiB
C++

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