/**
 * WinPR: Windows Portable Runtime
 * Keyboard Input
 *
 * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <winpr/crt.h>

#include <winpr/input.h>

/**
 * Virtual Scan Codes
 */

/**
 * Keyboard Type 4
 */

static DWORD KBD4T[128] =
{
	KBD4_T00,
	KBD4_T01,
	KBD4_T02,
	KBD4_T03,
	KBD4_T04,
	KBD4_T05,
	KBD4_T06,
	KBD4_T07,
	KBD4_T08,
	KBD4_T09,
	KBD4_T0A,
	KBD4_T0B,
	KBD4_T0C,
	KBD4_T0D,
	KBD4_T0E,
	KBD4_T0F,
	KBD4_T10,
	KBD4_T11,
	KBD4_T12,
	KBD4_T13,
	KBD4_T14,
	KBD4_T15,
	KBD4_T16,
	KBD4_T17,
	KBD4_T18,
	KBD4_T19,
	KBD4_T1A,
	KBD4_T1B,
	KBD4_T1C,
	KBD4_T1D,
	KBD4_T1E,
	KBD4_T1F,
	KBD4_T20,
	KBD4_T21,
	KBD4_T22,
	KBD4_T23,
	KBD4_T24,
	KBD4_T25,
	KBD4_T26,
	KBD4_T27,
	KBD4_T28,
	KBD4_T29,
	KBD4_T2A,
	KBD4_T2B,
	KBD4_T2C,
	KBD4_T2D,
	KBD4_T2E,
	KBD4_T2F,
	KBD4_T30,
	KBD4_T31,
	KBD4_T32,
	KBD4_T33,
	KBD4_T34,
	KBD4_T35,
	KBD4_T36,
	KBD4_T37,
	KBD4_T38,
	KBD4_T39,
	KBD4_T3A,
	KBD4_T3B,
	KBD4_T3C,
	KBD4_T3D,
	KBD4_T3E,
	KBD4_T3F,
	KBD4_T40,
	KBD4_T41,
	KBD4_T42,
	KBD4_T43,
	KBD4_T44,
	KBD4_T45,
	KBD4_T46,
	KBD4_T47,
	KBD4_T48,
	KBD4_T49,
	KBD4_T4A,
	KBD4_T4B,
	KBD4_T4C,
	KBD4_T4D,
	KBD4_T4E,
	KBD4_T4F,
	KBD4_T50,
	KBD4_T51,
	KBD4_T52,
	KBD4_T53,
	KBD4_T54,
	KBD4_T55,
	KBD4_T56,
	KBD4_T57,
	KBD4_T58,
	KBD4_T59,
	KBD4_T5A,
	KBD4_T5B,
	KBD4_T5C,
	KBD4_T5D,
	KBD4_T5E,
	KBD4_T5F,
	KBD4_T60,
	KBD4_T61,
	KBD4_T62,
	KBD4_T63,
	KBD4_T64,
	KBD4_T65,
	KBD4_T66,
	KBD4_T67,
	KBD4_T68,
	KBD4_T69,
	KBD4_T6A,
	KBD4_T6B,
	KBD4_T6C,
	KBD4_T6D,
	KBD4_T6E,
	KBD4_T6F,
	KBD4_T70,
	KBD4_T71,
	KBD4_T72,
	KBD4_T73,
	KBD4_T74,
	KBD4_T75,
	KBD4_T76,
	KBD4_T77,
	KBD4_T78,
	KBD4_T79,
	KBD4_T7A,
	KBD4_T7B,
	KBD4_T7C,
	KBD4_T7D,
	KBD4_T7E,
	KBD4_T7F
};

static DWORD KBD4X[128] =
{
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD4_X10,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD4_X19,
	VK_NONE,
	VK_NONE,
	KBD4_X1C,
	KBD4_X1D,
	VK_NONE,
	VK_NONE,
	KBD4_X20,
	KBD4_X21,
	KBD4_X22,
	VK_NONE,
	KBD4_X24,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD4_X2E,
	VK_NONE,
	KBD4_X30,
	VK_NONE,
	KBD4_X32,
	VK_NONE,
	VK_NONE,
	KBD4_X35,
	VK_NONE,
	KBD4_X37,
	KBD4_X38,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD4_X46,
	KBD4_X47,
	KBD4_X48,
	KBD4_X49,
	VK_NONE,
	KBD4_X4B,
	VK_NONE,
	KBD4_X4D,
	VK_NONE,
	KBD4_X4F,
	KBD4_X50,
	KBD4_X51,
	KBD4_X52,
	KBD4_X53,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD4_X5B,
	KBD4_X5C,
	KBD4_X5D,
	KBD4_X5E,
	KBD4_X5F,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD4_X65,
	KBD4_X66,
	KBD4_X67,
	KBD4_X68,
	KBD4_X69,
	KBD4_X6A,
	KBD4_X6B,
	KBD4_X6C,
	KBD4_X6D,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
};

/**
 * Keyboard Type 7
 */

static DWORD KBD7T[128] =
{
	KBD7_T00,
	KBD7_T01,
	KBD7_T02,
	KBD7_T03,
	KBD7_T04,
	KBD7_T05,
	KBD7_T06,
	KBD7_T07,
	KBD7_T08,
	KBD7_T09,
	KBD7_T0A,
	KBD7_T0B,
	KBD7_T0C,
	KBD7_T0D,
	KBD7_T0E,
	KBD7_T0F,
	KBD7_T10,
	KBD7_T11,
	KBD7_T12,
	KBD7_T13,
	KBD7_T14,
	KBD7_T15,
	KBD7_T16,
	KBD7_T17,
	KBD7_T18,
	KBD7_T19,
	KBD7_T1A,
	KBD7_T1B,
	KBD7_T1C,
	KBD7_T1D,
	KBD7_T1E,
	KBD7_T1F,
	KBD7_T20,
	KBD7_T21,
	KBD7_T22,
	KBD7_T23,
	KBD7_T24,
	KBD7_T25,
	KBD7_T26,
	KBD7_T27,
	KBD7_T28,
	KBD7_T29,
	KBD7_T2A,
	KBD7_T2B,
	KBD7_T2C,
	KBD7_T2D,
	KBD7_T2E,
	KBD7_T2F,
	KBD7_T30,
	KBD7_T31,
	KBD7_T32,
	KBD7_T33,
	KBD7_T34,
	KBD7_T35,
	KBD7_T36,
	KBD7_T37,
	KBD7_T38,
	KBD7_T39,
	KBD7_T3A,
	KBD7_T3B,
	KBD7_T3C,
	KBD7_T3D,
	KBD7_T3E,
	KBD7_T3F,
	KBD7_T40,
	KBD7_T41,
	KBD7_T42,
	KBD7_T43,
	KBD7_T44,
	KBD7_T45,
	KBD7_T46,
	KBD7_T47,
	KBD7_T48,
	KBD7_T49,
	KBD7_T4A,
	KBD7_T4B,
	KBD7_T4C,
	KBD7_T4D,
	KBD7_T4E,
	KBD7_T4F,
	KBD7_T50,
	KBD7_T51,
	KBD7_T52,
	KBD7_T53,
	KBD7_T54,
	KBD7_T55,
	KBD7_T56,
	KBD7_T57,
	KBD7_T58,
	KBD7_T59,
	KBD7_T5A,
	KBD7_T5B,
	KBD7_T5C,
	KBD7_T5D,
	KBD7_T5E,
	KBD7_T5F,
	KBD7_T60,
	KBD7_T61,
	KBD7_T62,
	KBD7_T63,
	KBD7_T64,
	KBD7_T65,
	KBD7_T66,
	KBD7_T67,
	KBD7_T68,
	KBD7_T69,
	KBD7_T6A,
	KBD7_T6B,
	KBD7_T6C,
	KBD7_T6D,
	KBD7_T6E,
	KBD7_T6F,
	KBD7_T70,
	KBD7_T71,
	KBD7_T72,
	KBD7_T73,
	KBD7_T74,
	KBD7_T75,
	KBD7_T76,
	KBD7_T77,
	KBD7_T78,
	KBD7_T79,
	KBD7_T7A,
	KBD7_T7B,
	KBD7_T7C,
	KBD7_T7D,
	KBD7_T7E,
	KBD7_T7F
};

static DWORD KBD7X[128] =
{
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD7_X10,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD7_X19,
	VK_NONE,
	VK_NONE,
	KBD7_X1C,
	KBD7_X1D,
	VK_NONE,
	VK_NONE,
	KBD7_X20,
	KBD7_X21,
	KBD7_X22,
	VK_NONE,
	KBD7_X24,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD7_X2E,
	VK_NONE,
	KBD7_X30,
	VK_NONE,
	KBD7_X32,
	KBD7_X33,
	VK_NONE,
	KBD7_X35,
	VK_NONE,
	KBD7_X37,
	KBD7_X38,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD7_X42,
	KBD7_X43,
	KBD7_X44,
	VK_NONE,
	KBD7_X46,
	KBD7_X47,
	KBD7_X48,
	KBD7_X49,
	VK_NONE,
	KBD7_X4B,
	VK_NONE,
	KBD7_X4D,
	VK_NONE,
	KBD7_X4F,
	KBD7_X50,
	KBD7_X51,
	KBD7_X52,
	KBD7_X53,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD7_X5B,
	KBD7_X5C,
	KBD7_X5D,
	KBD7_X5E,
	KBD7_X5F,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	KBD7_X65,
	KBD7_X66,
	KBD7_X67,
	KBD7_X68,
	KBD7_X69,
	KBD7_X6A,
	KBD7_X6B,
	KBD7_X6C,
	KBD7_X6D,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE,
	VK_NONE
};

DWORD GetVirtualKeyCodeFromVirtualScanCode(DWORD scancode, DWORD dwKeyboardType)
{
	DWORD codeIndex;

	codeIndex = scancode & 0xFF;

	if (codeIndex > 127)
		return VK_NONE;

	if ((dwKeyboardType != 4) && (dwKeyboardType != 7))
		dwKeyboardType = 4;

	if (dwKeyboardType == 4)
	{
		return (scancode & KBDEXT) ? KBD4X[codeIndex] : KBD4T[codeIndex];
	}
	else if (dwKeyboardType == 7)
	{
		return (scancode & KBDEXT) ? KBD7X[codeIndex] : KBD7T[codeIndex];
	}

	return VK_NONE;
}

DWORD GetVirtualScanCodeFromVirtualKeyCode(DWORD vkcode, DWORD dwKeyboardType)
{
	int i;
	DWORD scancode;
	DWORD codeIndex;

	scancode = 0;
	codeIndex = vkcode & 0xFF;

	if ((dwKeyboardType != 4) && (dwKeyboardType != 7))
		dwKeyboardType = 4;

	if (dwKeyboardType == 4)
	{
		if (vkcode & KBDEXT)
		{
			for (i = 0; i < 128; i++)
			{
				if (KBD4X[i] == codeIndex)
				{
					scancode = (i | KBDEXT);
					break;
				}
			}
		}
		else
		{
			for (i = 0; i < 128; i++)
			{
				if (KBD4T[i] == codeIndex)
				{
					scancode = i;
					break;
				}
			}
		}
	}
	else if (dwKeyboardType == 7)
	{
		if (vkcode & KBDEXT)
		{
			for (i = 0; i < 128; i++)
			{
				if (KBD7X[i] == codeIndex)
				{
					scancode = (i | KBDEXT);
					break;
				}
			}
		}
		else
		{
			for (i = 0; i < 128; i++)
			{
				if (KBD7T[i] == codeIndex)
				{
					scancode = i;
					break;
				}
			}
		}
	}

	return scancode;
}