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126 lines
3.7 KiB
C++
126 lines
3.7 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 "platform.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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typedef struct _XCBKeySymbols xcb_key_symbols_t;
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class NETWinInfo;
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namespace KWin
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{
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class X11WindowedOutput;
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class KWIN_EXPORT X11WindowedBackend : public Platform
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{
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Q_OBJECT
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Q_INTERFACES(KWin::Platform)
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Q_PLUGIN_METADATA(IID "org.kde.kwin.Platform" FILE "x11.json")
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Q_PROPERTY(QSize size READ screenSize NOTIFY sizeChanged)
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public:
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X11WindowedBackend(QObject *parent = nullptr);
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~X11WindowedBackend() override;
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void init() override;
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xcb_connection_t *connection() const {
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return m_connection;
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}
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xcb_screen_t *screen() const {
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return m_screen;
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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 windowForScreen(0);
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}
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xcb_window_t windowForScreen(int screen) const;
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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 hasXInput() const {
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return m_hasXInput;
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}
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Screens *createScreens(QObject *parent = nullptr) override;
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OpenGLBackend *createOpenGLBackend() override;
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QPainterBackend* createQPainterBackend() override;
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void warpPointer(const QPointF &globalPos) override;
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QVector<CompositingType> supportedCompositors() const override {
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if (selectedCompositor() != NoCompositing) {
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return {selectedCompositor()};
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}
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return QVector<CompositingType>{OpenGLCompositing, QPainterCompositing};
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}
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Outputs outputs() const override;
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Outputs enabledOutputs() const override;
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Q_SIGNALS:
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void sizeChanged();
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private:
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void createOutputs();
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void startEventReading();
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void grabKeyboard(xcb_timestamp_t time);
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void updateWindowTitle();
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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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void createCursor(const QImage &img, const QPoint &hotspot);
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void initXInput();
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X11WindowedOutput *findOutput(xcb_window_t window) const;
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xcb_connection_t *m_connection = nullptr;
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xcb_screen_t *m_screen = nullptr;
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xcb_key_symbols_t *m_keySymbols = nullptr;
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int m_screenNumber = 0;
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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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bool m_keyboardGrabbed = false;
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bool m_hasXInput = false;
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int m_xiOpcode = 0;
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int m_majorVersion = 0;
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int m_minorVersion = 0;
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QVector<X11WindowedOutput*> m_outputs;
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};
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}
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#endif
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