/**
 *******************************************************************************
 * @file parameter.c
 * @brief Editeur De N'ours :
 * @author Edouard DUPIN
 * @date 05/02/2011
 * @par Project
 * Edn tool : hexViewer
 *
 * @par Copyright
 * Copyright 2010 Edouard DUPIN, all right reserved
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY.
 *
 * Licence summary : 
 *    You can modify and redistribute the sources code and binaries.
 *    You can send me the bug-fix
 *    You can not earn money with this Software (if the source extract from Edn
 *        represent less than 50% of original Sources)
 * Term of the licence in in the file licence.txt.
 *
 *******************************************************************************
 */

#include "parameter.h"
// Parameter  Local Value : 

static uint32_t fileOfset = 0;
static bool parmamModifier = true;


static showType_te curentType = SHOW_TYPE_HEX;
static showTypeSize_te curentTypeSize = SHOW_TYPE_SIZE_8;


extern uint32_t filesize[2];

void setOfsetFile(int32_t offset)
{
	if (0 > offset) {
		offset = 0;
	}
	if(    offset > (int32_t)filesize[0]
	    && offset > (int32_t)filesize[1]) {
		// nothing to do
		return;
	}
	if (offset != (int32_t)fileOfset) {
		fileOfset = (uint32_t)offset;
		parmamModifier = true;
	}
}

void upDownOfsetFile(int32_t offset)
{
	int32_t tmp;
	tmp = fileOfset + (16 * offset);
	if (0 > tmp) {
		setOfsetFile(0);
	} else {
		setOfsetFile(tmp);
	}
}

uint32_t getOfsetFile(void)
{
	return fileOfset;
}

bool getParamModification()
{
	if (parmamModifier == true) {
		parmamModifier = false;
		return true;
	} else {
		return false;
	}
}



void nextType(void)
{
	switch(curentType)
	{
		case SHOW_TYPE_HEX:
			curentType = SHOW_TYPE_DECIMAL_SIGNED;
			break;
		case SHOW_TYPE_DECIMAL_SIGNED:
			curentType = SHOW_TYPE_DECIMAL_UNSIGNED;
			break;
		case SHOW_TYPE_DECIMAL_UNSIGNED:
			curentType = SHOW_TYPE_HEX;
			break;
		default :
			curentType = SHOW_TYPE_HEX;
			break;
	}
	system("clear");
	parmamModifier = true;
}

showType_te getType(void)
{
	return curentType;
}

void nextTypeSize(void)
{
	switch(curentTypeSize)
	{
		case SHOW_TYPE_SIZE_8:
			curentTypeSize = SHOW_TYPE_SIZE_16;
			break;
		case SHOW_TYPE_SIZE_16:
			curentTypeSize = SHOW_TYPE_SIZE_32;
			break;
		case SHOW_TYPE_SIZE_32:
			curentTypeSize = SHOW_TYPE_SIZE_64;
			break;
		case SHOW_TYPE_SIZE_64:
			curentTypeSize = SHOW_TYPE_SIZE_8;
			break;
		case SHOW_TYPE_SIZE_128:
			curentTypeSize = SHOW_TYPE_SIZE_8;
			break;
		default :
			curentTypeSize = SHOW_TYPE_SIZE_8;
			break;
	}
	system("clear");
	parmamModifier = true;
}

showTypeSize_te getTypeSize(void)
{
	return curentTypeSize;
}