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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Additions/x11/VBoxClient/seamless.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/VBox/Additions/x11/VBoxClient/seamless.h b/src/VBox/Additions/x11/VBoxClient/seamless.h new file mode 100644 index 00000000..3e9041a8 --- /dev/null +++ b/src/VBox/Additions/x11/VBoxClient/seamless.h @@ -0,0 +1,109 @@ +/* $Id: seamless.h $ */ +/** @file + * X11 Guest client - seamless mode, missing proper description while using the + * potentially confusing word 'host'. + */ + +/* + * Copyright (C) 2006-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.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, in version 3 of the + * License. + * + * 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 <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#ifndef GA_INCLUDED_SRC_x11_VBoxClient_seamless_h +#define GA_INCLUDED_SRC_x11_VBoxClient_seamless_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/thread.h> + +#include <VBox/log.h> +#include <VBox/VBoxGuestLib.h> /* for the R3 guest library functions */ + +#include "seamless-x11.h" + +/** + * Interface to the host + */ +class SeamlessMain +{ +private: + // We don't want a copy constructor or assignment operator + SeamlessMain(const SeamlessMain&); + SeamlessMain& operator=(const SeamlessMain&); + + /** X11 event monitor object */ + SeamlessX11 mX11Monitor; + + /** Thread to start and stop when we enter and leave seamless mode which + * monitors X11 windows in the guest. */ + RTTHREAD mX11MonitorThread; + /** Should the X11 monitor thread be stopping? */ + volatile bool mX11MonitorThreadStopping; + + /** The current seamless mode we are in. */ + VMMDevSeamlessMode mMode; + /** Is the service currently paused? */ + volatile bool mfPaused; + + /** + * Waits for a seamless state change events from the host and dispatch it. This is + * meant to be called by the host event monitor thread exclusively. + * + * @returns IRPT return code. + */ + int nextStateChangeEvent(void); + + /** Thread function to monitor X11 window configuration changes. */ + static DECLCALLBACK(int) x11MonitorThread(RTTHREAD self, void *pvUser); + + /** Helper to start the X11 monitor thread. */ + int startX11MonitorThread(void); + + /** Helper to stop the X11 monitor thread again. */ + int stopX11MonitorThread(void); + + /** Is the service currently actively monitoring X11 windows? */ + bool isX11MonitorThreadRunning() + { + return mX11MonitorThread != NIL_RTTHREAD; + } + +public: + SeamlessMain(void); + virtual ~SeamlessMain(); +#ifdef RT_NEED_NEW_AND_DELETE + RTMEM_IMPLEMENT_NEW_AND_DELETE(); +#endif + + /** @copydoc VBCLSERVICE::pfnInit */ + int init(void); + + /** @copydoc VBCLSERVICE::pfnWorker */ + int worker(bool volatile *pfShutdown); + + /** @copydoc VBCLSERVICE::pfnStop */ + void stop(void); + + /** @copydoc VBCLSERVICE::pfnTerm */ + int term(void); +}; + +#endif /* !GA_INCLUDED_SRC_x11_VBoxClient_seamless_h */ |