// Copyright (c) Sean Walton 1999-2006 All rights reserved
//
// Standard disclaimer: you use it --> you're responsible
// Standard license: you can use it in any way, but keep
//		my copyright attached.

#include "BBAsciiTable.h"

///--------------------------------------------------------------------------------------
///
#define COLUMNS		16
#define MAXCHARS	256
#define CHARWIDTH	9
#define LABELOFFSET	15
void BBAsciiTable::Paint(Graphics& g)
{
	char temps[5];
	int x=0, y=0;
	for ( int c = 0; c < COLUMNS; c++ )
	{
		RimSprintf(temps, sizeof(temps), "%X", c);
		g.DrawString(c*CHARWIDTH+CHARWIDTH/2+LABELOFFSET, y, temps, strlen(temps), GetFont(), LCD_CENTERED);
	}
	XYRect rect(0, 0, DISPLAYWIDTH, RowHeight);
	g.Invert(rect);
	for ( c = 0; c < MAXCHARS; c++ )
	{
		if ( (c & (COLUMNS-1)) == 0 )
		{
			y += RowHeight;
			RimSprintf(temps, sizeof(temps), "%02X:", c);
			g.DrawString(0, y, temps, strlen(temps), GetFont(), 0);
			x = LABELOFFSET;
		}
		RimSprintf(temps, sizeof(temps), "%c", c);
		g.DrawString(x, y, temps, strlen(temps), GetFont(), 0);
		x += CHARWIDTH;
	}
}

int BBAsciiTable::OnScroll(int axis, int directionMagnitude)
{
	ToolTop = false;
	if ( axis == 1)
		directionMagnitude *= COLUMNS;
	Cursor += directionMagnitude;
	if ( Cursor < 0 )
	{
		ToolTop = true;
		Cursor = 0;
		return -1;
	}
	else if ( Cursor >= MAXCHARS )
	{
		Cursor = MAXCHARS-1;
		return 1;
	}
	return 0;
}

XYRect BBAsciiTable::GetFocusRect(void) const
{
	XYRect rect;
	if ( !ToolTop )
	{
		rect.width = CHARWIDTH+1;
		rect.height = RowHeight;
		rect.x = LABELOFFSET+(Cursor & (COLUMNS-1))*CHARWIDTH-1;
		rect.y = (Cursor/COLUMNS+1) * rect.height;
	}
	return rect;
}