int Document :: retrieveColumn(int row, int disp)
{
TextBookmark bm = _caret;
_text->validateBookmark(bm);
bm.moveTo(0, row);
bm.moveOn(disp);
return bm.getColumn();
}
void Document :: tabbing(text_c space, size_t count, bool indent)
{
_text->validateBookmark(_caret);
if (_selection < 0) {
_caret.moveOn(_selection);
_selection = abs(_selection);
}
TextBookmark end = _caret;
end.moveOn(_selection);
// if only part of the line was selected just insert tab
size_t lastRow = end.getRow();
if (lastRow == _caret.getRow()) {
if (indent)
insertChar(space, count);
}
else {
setCaret(0, _caret.getRow(), true);
if (end.getColumn() == 0)
lastRow--;
TextBookmark start = _caret;
while (start.getRow() <= lastRow) {
if (indent) {
for (size_t i = 0 ; i < count ; i++) {
_text->insertChar(start, space);
_selection++;
}
}
else {
size_t length;
for (size_t i = 0 ; i < count ; i++) {
text_t s = _text->getLine(start, length);
if (length!=0 && (s[0]==' ' || s[0]=='\t')) {
bool tab = (s[0]=='\t');
_text->eraseChar(start);
_selection--;
if (tab)
break;
}
else break;
}
}
if(!start.moveTo(0, start.getRow() + 1))
break;
}
}
}
const _text_t* SourceDoc :: getCurrentLine(int disp, size_t& length)
{
TextBookmark bm = _caret;
bm.moveTo(0, _caret.getRow());
if (disp == 0 || bm.moveOn(disp)) {
return _text->getLine(bm, length);
}
else {
length = 0;
return NULL;
}
}
void Document :: duplicateLine()
{
Point caret = _caret.getCaret(false);
_caret.moveTo(0, caret.y);
TextBookmark bm = _caret;
bm.moveTo(_caret.getLength(), caret.y);
size_t length = bm.getPosition() - _caret.getPosition();
text_c* buffer = _ELENA_::StrFactory::allocate(length + 1, DEFAULT_TEXT);
_text->copyTo(_caret, buffer, length);
_caret.moveTo(0, caret.y + 1);
_text->insertNewLine(_caret);
_text->insertLine(_caret, buffer, length);
_ELENA_::freestr(buffer);
setCaret(caret.x, caret.y + 1, false);
}
