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/* Modified by Robert Hoehne and Salvador Eduardo Tropea for the gcc port */
/*----------------------------------------------------------*/
/* */
/* Turbo Vision 1.0 */
/* Copyright (c) 1991 by Borland International */
/* */
/*----------------------------------------------------------*/
/*****************************************************************************
These are the routines that formats the lines before writing to the buffer.
They are a hack, the original TV had it made in assembler (edits.asm) and
Robert did a quick hack. We still using some of this code so isn't too bad
;-)
JASC -> Jul 2000, endian stuff
*****************************************************************************/
#define Uses_TEditor
#include <tv.h>
#if defined(TV_BIG_ENDIAN)
#define endianCol( letra, color ) ((((unsigned)letra)<<8) | ((unsigned)color))
#else
#define endianCol( letra, color ) ((((unsigned)color)<<8) | ((unsigned)letra))
#endif
#define CALL if (call10(this,(ushort *)DrawBuf,color,count,offset,LinePtr,bufptr,Width) == False) return
Boolean call10(const TEditor *edit, ushort *drawBuf, ushort color, int cx,
int &offset, unsigned &lineptr, int &bufptr, int Width)
{
uchar c;
int count = cx - lineptr;
if (count<=0) return True;
do {
c = edit->buffer[lineptr++];
if (c == 0x0a || c == 0x0d || c == 0x09)
{
if (c == 0x09)
{
do
{
drawBuf[bufptr++] = endianCol(' ', color);
offset++;
#if 1
} while (offset & 7);
#else
} while ((offset % TEditor::tabSize) != 0);
#endif
}
else
{
count = Width-offset;
if (count<=0)
return True;
while (count--)
drawBuf[bufptr++] = endianCol(' ', color);
return False;
}
}
else
{
drawBuf[bufptr++] = endianCol(c, color);
offset++;
}
if (offset >= Width)
{
return False;
}
count--;
} while (count);
return True;
}
#define normalColor (Colors & 0xff)
#define selectColor (Colors >> 8)
void TEditor::formatLine( void *DrawBuf, uint32 LinePtr, int Width,
ushort Colors )
{
int count,offset,bufptr;
ushort color;
bufptr = 0;
offset = 0;
if (selStart > LinePtr)
{
color = normalColor;
count = selStart;
CALL;
}
color = selectColor;
count = curPtr;
CALL;
LinePtr += gapLen;
count = selEnd+gapLen;
CALL;
color = normalColor;
count = bufSize;
CALL;
count = Width-offset;
//if (count<=offset) return;
if (count<1) return;
while (count--) ((ushort *)(DrawBuf))[bufptr++] = endianCol(' ', color);
}
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