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/*
This file is a part of the NVDA project.
URL: http://www.nvda-project.org/
Copyright 2006-2010 NVDA contributers.
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2.0, as published by
    the Free Software Foundation.
    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.
This license can be found at:
http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/

cpp_quote("/*")
cpp_quote("This file is a part of the NVDA project.")
cpp_quote("URL: http://www.nvda-project.org/")
cpp_quote("Copyright 2006-2010 NVDA contributers.")
cpp_quote("This program is free software: you can redistribute it and/or modify")
cpp_quote("it under the terms of the GNU General Public License version 2.0, as published by")
cpp_quote("the Free Software Foundation.")
cpp_quote("This program is distributed in the hope that it will be useful,")
cpp_quote("but WITHOUT ANY WARRANTY; without even the implied warranty of")
cpp_quote("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.")
cpp_quote("This license can be found at:")
cpp_quote("http://www.gnu.org/licenses/old-licenses/gpl-2.0.html")
cpp_quote("*/")

/**
 * Methods  to control NVDA via NVDA in-process code.
 */
[
	uuid(B8934CDF-D229-40f0-A082-0F60D39F44D7),
	version(1.0),
]
interface NvdaControllerInternal {

	error_status_t __stdcall requestRegistration([in,string] const wchar_t* uuidString);

/**
 * Notifies NVDA that the keyboard layout has changed for this thread. 
 * @param threadID the thread the layout change occured in
 * @param hkl the current layout retreaved either by GetKeyboardLayout or the lParam of wm_inputLangChange.
 * @param layoutString the current identifier string returned from GetKeyboardLayoutName.
 */
	error_status_t __stdcall inputLangChangeNotify([in] const long threadID, [in] const unsigned long hkl, [in,string] const wchar_t* layoutString);

/**
 * Notifies NVDA that a character has been typed in this thread.
 * @param threadID the thread the layout change occured in
 * @param ch the character typed.
 */
	error_status_t __stdcall typedCharacterNotify([in] const long threadID, [in] const wchar_t ch);

/**
 * Notifies NVDA that text in the given rectangle (in screen coordinates), in the given window, has changed.
 */
	error_status_t __stdcall displayModelTextChangeNotify([in] const long hwnd, [in] const long left, [in] const long top, [in] const long right, [in] const long bottom); 

/**
 * Logs a message at the given level to NVDA
 * @param level the level of the message
 * @param process Id of the process where the message is sent from
 * @param message the log message
 */
	error_status_t __stdcall logMessage([in] const long level, [in] const long processID, [in,string] const wchar_t* message);

/**
 * Notifies NVDA of updates to the current input composition (including the full content, the selection offsets and the newly added text if any).
 */
	error_status_t __stdcall inputCompositionUpdate([in,string] const wchar_t* compositionString, [in] const int selectionStart, [in] const int selectionEnd, [in] const int isReading);

	error_status_t __stdcall inputCandidateListUpdate([in,string] const wchar_t* candidates, [in] const long selectionIndex, [in,string] const wchar_t* inputMethod);

	error_status_t __stdcall IMEOpenStatusUpdate([in] const long open);

	error_status_t __stdcall inputConversionModeUpdate([in] const long oldFlags, [in] const long newFlags,[in] const unsigned long lcid);

/**
 * Notifies NVDA that a virtual buffer has changed.
 */
	error_status_t __stdcall vbufChangeNotify([in] const int rootDocHandle, [in] const int rootID);

/**
* Requests for installation of the add-on package from specified path.
* @param addonPath path to the add-on package file.
*/
	error_status_t __stdcall installAddonPackageFromPath([in, string] const wchar_t* addonPath);

/**
 * Notifies NVDA that a focus rect has been drawn in the given window.
 */
	error_status_t __stdcall drawFocusRectNotify([in] const long hwnd, [in] const long left, [in] const long top, [in] const long right, [in] const long bottom);   
};