165 lines
4.3 KiB
C++
165 lines
4.3 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package 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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*/
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#ifndef CXWINDOWSSCREENSAVER_H
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#define CXWINDOWSSCREENSAVER_H
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#include "IScreenSaver.h"
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#include "stdmap.h"
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#if X_DISPLAY_MISSING
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# error X11 is required to build synergy
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#else
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# include <X11/Xlib.h>
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#endif
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class CEvent;
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class CEventQueueTimer;
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//! X11 screen saver implementation
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class CXWindowsScreenSaver : public IScreenSaver {
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public:
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CXWindowsScreenSaver(Display*, Window, void* eventTarget);
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virtual ~CXWindowsScreenSaver();
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//! @name manipulators
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//@{
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//! Event filtering
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/*!
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Should be called for each system event before event translation and
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dispatch. Returns true to skip translation and dispatch.
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*/
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bool handleXEvent(const XEvent*);
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//! Destroy without the display
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/*!
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Tells this object to delete itself without using the X11 display.
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It may leak some resources as a result.
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*/
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void destroy();
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//@}
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// IScreenSaver overrides
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virtual void enable();
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virtual void disable();
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virtual void activate();
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virtual void deactivate();
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virtual bool isActive() const;
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private:
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// find and set the running xscreensaver's window. returns true iff
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// found.
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bool findXScreenSaver();
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// set the xscreensaver's window, updating the activation state flag
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void setXScreenSaver(Window);
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// returns true if the window appears to be the xscreensaver window
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bool isXScreenSaver(Window) const;
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// set xscreensaver's activation state flag. sends notification
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// if the state has changed.
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void setXScreenSaverActive(bool activated);
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// send a command to xscreensaver
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void sendXScreenSaverCommand(Atom, long = 0, long = 0);
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// watch all windows that could potentially be the xscreensaver for
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// the events that will confirm it.
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void watchForXScreenSaver();
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// stop watching all watched windows
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void clearWatchForXScreenSaver();
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// add window to the watch list
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void addWatchXScreenSaver(Window window);
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// install/uninstall the job used to suppress the screensaver
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void updateDisableTimer();
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// called periodically to prevent the screen saver from starting
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void handleDisableTimer(const CEvent&, void*);
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// force DPMS to activate or deactivate
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void activateDPMS(bool activate);
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// enable/disable DPMS screen saver
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void enableDPMS(bool);
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// check if DPMS is enabled
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bool isDPMSEnabled() const;
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// check if DPMS is activate
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bool isDPMSActivated() const;
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private:
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typedef std::map<Window, long> CWatchList;
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// the X display
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Display* m_display;
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// window to receive xscreensaver repsonses
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Window m_xscreensaverSink;
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// the target for the events we generate
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void* m_eventTarget;
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// xscreensaver's window
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Window m_xscreensaver;
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// xscreensaver activation state
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bool m_xscreensaverActive;
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// old event mask on root window
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long m_rootEventMask;
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// potential xscreensaver windows being watched
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CWatchList m_watchWindows;
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// atoms used to communicate with xscreensaver's window
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Atom m_atomScreenSaver;
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Atom m_atomScreenSaverVersion;
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Atom m_atomScreenSaverActivate;
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Atom m_atomScreenSaverDeactivate;
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// built-in screen saver settings
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int m_timeout;
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int m_interval;
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int m_preferBlanking;
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int m_allowExposures;
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// DPMS screen saver settings
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bool m_dpms;
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bool m_dpmsEnabled;
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// true iff the client wants the screen saver suppressed
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bool m_disabled;
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// true iff we're ignoring m_disabled. this is true, for example,
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// when the client has called activate() and so presumably wants
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// to activate the screen saver even if disabled.
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bool m_suppressDisable;
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// the disable timer (NULL if not installed)
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CEventQueueTimer* m_disableTimer;
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// fake mouse motion position for suppressing the screen saver.
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// xscreensaver since 2.21 requires the mouse to move more than 10
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// pixels to be considered significant.
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SInt32 m_disablePos;
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};
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#endif
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