source: trunk/synergy/lib/arch/CArchMiscWindows.h@ 3545

/*
 * 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 CARCHMISCWINDOWS_H
#define CARCHMISCWINDOWS_H

#define WIN32_LEAN_AND_MEAN

#include "common.h"
#include "stdstring.h"
#include "stdset.h"
#include <windows.h>

//! Miscellaneous win32 functions.
class CArchMiscWindows {
public:
        enum EValueType {
                kUNKNOWN,
                kNO_VALUE,
                kUINT,
                kSTRING,
                kBINARY
        };
        enum EBusyModes {
                kIDLE   = 0x0000,
                kSYSTEM  = 0x0001,
                kDISPLAY = 0x0002
        };

        typedef int                     (*RunFunc)(void);

        //! Initialize
        static void                     init();

        //! Test if windows 95, et al.
        /*!
        Returns true iff the platform is win95/98/me.
        */
        static bool                     isWindows95Family();

        //! Test if windows 95, et al.
        /*!
        Returns true iff the platform is win98 or win2k or higher (i.e.
        not windows 95 or windows NT).
        */
        static bool                     isWindowsModern();

        //! Set the application icons
        /*!
        Set the application icons.
        */
        static void                     setIcons(HICON largeIcon, HICON smallIcon);

        //! Get the application icons
        /*!
        Get the application icons.
        */
        static void                     getIcons(HICON& largeIcon, HICON& smallIcon);

        //! Run the daemon
        /*!
        Delegates to CArchDaemonWindows.
        */
        static int                      runDaemon(RunFunc runFunc);

        //! Indicate daemon is in main loop
        /*!
        Delegates to CArchDaemonWindows.
        */
        static void                     daemonRunning(bool running);

        //! Indicate failure of running daemon
        /*!
        Delegates to CArchDaemonWindows.
        */
        static void                     daemonFailed(int result);

        //! Get daemon quit message
        /*!
        Delegates to CArchDaemonWindows.
        */
        static UINT                     getDaemonQuitMessage();

        //! Open and return a registry key, closing the parent key
        static HKEY                     openKey(HKEY parent, const TCHAR* child);

        //! Open and return a registry key, closing the parent key
        static HKEY                     openKey(HKEY parent, const TCHAR* const* keyPath);

        //! Open/create and return a registry key, closing the parent key
        static HKEY                     addKey(HKEY parent, const TCHAR* child);

        //! Open/create and return a registry key, closing the parent key
        static HKEY                     addKey(HKEY parent, const TCHAR* const* keyPath);

        //! Close a key
        static void                     closeKey(HKEY);

        //! Delete a key (which should have no subkeys)
        static void                     deleteKey(HKEY parent, const TCHAR* name);

        //! Delete a value
        static void                     deleteValue(HKEY parent, const TCHAR* name);

        //! Test if a value exists
        static bool                     hasValue(HKEY key, const TCHAR* name);

        //! Get type of value
        static EValueType       typeOfValue(HKEY key, const TCHAR* name);

        //! Set a string value in the registry
        static void                     setValue(HKEY key, const TCHAR* name,
                                                        const std::string& value);

        //! Set a DWORD value in the registry
        static void                     setValue(HKEY key, const TCHAR* name, DWORD value);

        //! Set a BINARY value in the registry
        /*!
        Sets the \p name value of \p key to \p value.data().
        */
        static void                     setValueBinary(HKEY key, const TCHAR* name,
                                                        const std::string& value);

        //! Read a string value from the registry
        static std::string      readValueString(HKEY, const TCHAR* name);

        //! Read a DWORD value from the registry
        static DWORD            readValueInt(HKEY, const TCHAR* name);

        //! Read a BINARY value from the registry
        static std::string      readValueBinary(HKEY, const TCHAR* name);

        //! Add a dialog
        static void                     addDialog(HWND);

        //! Remove a dialog
        static void                     removeDialog(HWND);

        //! Process dialog message
        /*!
        Checks if the message is destined for a dialog.  If so the message
        is passed to the dialog and returns true, otherwise returns false.
        */
        static bool                     processDialog(MSG*);

        //! Disable power saving
        static void                     addBusyState(DWORD busyModes);

        //! Enable power saving
        static void                     removeBusyState(DWORD busyModes);

private:
        //! Open and return a registry key, closing the parent key
        static HKEY                     openKey(HKEY parent, const TCHAR* child, bool create);

        //! Open and return a registry key, closing the parent key
        static HKEY                     openKey(HKEY parent, const TCHAR* const* keyPath,
                                                        bool create);

        //! Read a string value from the registry
        static std::string      readBinaryOrString(HKEY, const TCHAR* name, DWORD type);

        //! Set thread busy state
        static void                     setThreadExecutionState(DWORD);

        static DWORD WINAPI     dummySetThreadExecutionState(DWORD);

private:
        typedef std::set<HWND> CDialogs;
        typedef DWORD (WINAPI *STES_t)(DWORD);

        static CDialogs*        s_dialogs;
        static DWORD            s_busyState;
        static STES_t           s_stes;
        static HICON            s_largeIcon;
        static HICON            s_smallIcon;
};

#endif