Initial commit of the synergy trunk sources from sf.net

2025-07-24 11:57:35 +02:00 · 2009-02-27 11:54:59 +00:00 · 2009-02-27 11:54:59 +00:00 · 958fa80d1d
commit 958fa80d1d
429 changed files with 96848 additions and 0 deletions
--- a/lib/platform/CXWindowsUtil.h
+++ b/lib/platform/CXWindowsUtil.h
@ -0,0 +1,185 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file COPYING that should have accompanied this file.
+ * 
+ * This package 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.
+ */
+
+#ifndef CXWINDOWSUTIL_H
+#define CXWINDOWSUTIL_H
+
+#include "CString.h"
+#include "BasicTypes.h"
+#include "stdmap.h"
+#include "stdvector.h"
+#if X_DISPLAY_MISSING
+#	error X11 is required to build synergy
+#else
+#	include <X11/Xlib.h>
+#endif
+
+//! X11 utility functions
+class CXWindowsUtil {
+public:
+	typedef std::vector<KeySym> KeySyms;
+
+	//! Get property
+	/*!
+	Gets property \c property on \c window.  \b Appends the data to
+	\c *data if \c data is not NULL, saves the property type in \c *type
+	if \c type is not NULL, and saves the property format in \c *format
+	if \c format is not NULL.  If \c deleteProperty is true then the
+	property is deleted after being read.
+	*/
+	static bool			getWindowProperty(Display*,
+							Window window, Atom property,
+							CString* data, Atom* type,
+							SInt32* format, bool deleteProperty);
+
+	//! Set property
+	/*!
+	Sets property \c property on \c window to \c size bytes of data from
+	\c data.
+	*/
+	static bool			setWindowProperty(Display*,
+							Window window, Atom property,
+							const void* data, UInt32 size,
+							Atom type, SInt32 format);
+
+	//! Get X server time
+	/*!
+	Returns the current X server time.
+	*/
+	static Time			getCurrentTime(Display*, Window);
+
+	//! Convert KeySym to KeyID
+	/*!
+	Converts a KeySym to the equivalent KeyID.  Returns kKeyNone if the
+	KeySym cannot be mapped.
+	*/
+	static UInt32		mapKeySymToKeyID(KeySym);
+
+	//! Convert KeySym to corresponding KeyModifierMask
+	/*!
+	Converts a KeySym to the corresponding KeyModifierMask, or 0 if the
+	KeySym is not a modifier.
+	*/
+	static UInt32		getModifierBitForKeySym(KeySym keysym);
+
+	//! Convert Atom to its string
+	/*!
+	Converts \p atom to its string representation.
+	*/
+	static CString		atomToString(Display*, Atom atom);
+
+	//! Convert several Atoms to a string
+	/*!
+	Converts each atom in \p atoms to its string representation and
+	concatenates the results.
+	*/
+	static CString		atomsToString(Display* display,
+							const Atom* atom, UInt32 num);
+
+	//! Prepare a property of atoms for use
+	/*!
+	64-bit systems may need to modify a property's data if it's a
+	list of Atoms before using it.
+	*/
+	static void			convertAtomProperty(CString& data);
+
+	//! Append an Atom to property data
+	/*!
+	Converts \p atom to a 32-bit on-the-wire format and appends it to
+	\p data.
+	*/
+	static void			appendAtomData(CString& data, Atom atom);
+
+	//! Replace an Atom in property data
+	/*!
+	Converts \p atom to a 32-bit on-the-wire format and replaces the atom
+	at index \p index in \p data.
+	*/
+	static void			replaceAtomData(CString& data,
+							UInt32 index, Atom atom);
+
+	//! Append an Time to property data
+	/*!
+	Converts \p time to a 32-bit on-the-wire format and appends it to
+	\p data.
+	*/
+	static void			appendTimeData(CString& data, Time time);
+
+	//! X11 error handler
+	/*!
+	This class sets an X error handler in the c'tor and restores the
+	previous error handler in the d'tor.  A lock should only be
+	installed while the display is locked by the thread.
+	
+	CErrorLock() ignores errors
+	CErrorLock(bool* flag) sets *flag to true if any error occurs
+	*/
+	class CErrorLock {
+	public:
+		//! Error handler type
+		typedef void (*ErrorHandler)(Display*, XErrorEvent*, void* userData);
+
+		/*!
+		Ignore X11 errors.
+		*/
+		CErrorLock(Display*);
+
+		/*!
+		Set \c *errorFlag if any error occurs.
+		*/
+		CErrorLock(Display*, bool* errorFlag);
+
+		/*!
+		Call \c handler on each error.
+		*/
+		CErrorLock(Display*, ErrorHandler handler, void* userData);
+
+		~CErrorLock();
+
+	private:
+		void			install(ErrorHandler, void*);
+		static int		internalHandler(Display*, XErrorEvent*);
+		static void		ignoreHandler(Display*, XErrorEvent*, void*);
+		static void		saveHandler(Display*, XErrorEvent*, void*);
+
+	private:
+		typedef int (*XErrorHandler)(Display*, XErrorEvent*);
+
+		Display*		m_display;
+		ErrorHandler	m_handler;
+		void*			m_userData;
+		XErrorHandler	m_oldXHandler;
+		CErrorLock*		m_next;
+		static CErrorLock*	s_top;
+	};
+
+private:
+	class CPropertyNotifyPredicateInfo {
+	public:
+		Window			m_window;
+		Atom			m_property;
+	};
+
+	static Bool			propertyNotifyPredicate(Display*,
+							XEvent* xevent, XPointer arg);
+
+	static void			initKeyMaps();
+
+private:
+	typedef std::map<KeySym, UInt32> CKeySymMap;
+
+	static CKeySymMap	s_keySymToUCS4;
+};
+
+#endif