void CFLTKEditor::UnIndent()
{
bool bChangedBuffer = false;
int iSelStart = 0, iSelEnd = 0, iCurPos = 0, iTabSize, i;
char *pcLine;
Fl_Text_Buffer *pBuffer = GetTextBuffer();
pBuffer->selection_position(&iSelStart, &iSelEnd);
if (iSelEnd > iSelStart)
{
iCurPos = pBuffer->line_start(iSelStart);
iTabSize = pBuffer->tab_distance();
while (pBuffer->line_end(iCurPos) < iSelEnd)
{
pcLine = pBuffer->line_text(iCurPos);
if (pcLine[0] == '\t')
{
bChangedBuffer = true;
pBuffer->remove(iCurPos, iCurPos+1);
--iSelEnd;
}
else if (pcLine[0] == ' ')
{
for (i = 1; i < iTabSize; i++)
{
if (pcLine[i] != ' ')
break;
}
if (i == iTabSize) // same number of spaces as a tab
{
bChangedBuffer = true;
pBuffer->remove(iCurPos, iCurPos + iTabSize);
iSelEnd -= iTabSize;
}
}
iCurPos = pBuffer->skip_lines(iCurPos, 1);
free(pcLine);
}
if (bChangedBuffer)
pBuffer->select(pBuffer->line_start(iSelStart), iSelEnd);
}
}
void CFLTKEditor::Indent()
{
bool bChangedBuffer = false;
int iSelStart = 0, iSelEnd = 0, iCurPos = 0;
Fl_Text_Buffer *pcBuffer = GetTextBuffer();
pcBuffer->selection_position(&iSelStart, &iSelEnd);
if (iSelEnd <= iSelStart)
return;
iCurPos = pcBuffer->line_start(iSelStart);
while (pcBuffer->line_end(iCurPos) < iSelEnd)
{
bChangedBuffer = true;
pcBuffer->insert(iCurPos, "\t");
iCurPos = pcBuffer->skip_lines(iCurPos, 1);
++iSelEnd;
}
if (bChangedBuffer)
pcBuffer->select(pcBuffer->line_start(iSelStart), iSelEnd);
}