IntCoord TextDisplay::Right (int line, int index) {
TextLine* l = Line(line, false);
if (l == nil) {
return xmin + x0;
} else {
return xmin + x0 + l->Offset(this, index+1) - 1;
}
}
IntCoord TextDisplay::Width () {
if (width < 0) {
if (painter != nil) {
width = 0;
for (int i = firstline; i <= lastline; ++i) {
TextLine* line = Line(i, false);
if (line != nil) {
width = Math::max(width, line->Offset(this, 10000));
}
}
}
}
return width;
}
void TextDisplay::DeleteText (int l, int i, int c) {
TextLine* line = Line(l, true);
line->Delete(this, l, i, c);
if (painter != nil && width != -1) {
if (l == widestline) {
IntCoord w = line->Offset(this, 10000);
if (w < width) {
width = -1;
}
}
}
if (l == caretline) {
ShowCaret();
}
}
void TextDisplay::InsertText (int l, int i, const char* t, int c) {
TextLine* line = Line(l, true);
line->Insert(this, l, i, t, c);
if (painter != nil && width != -1) {
IntCoord w = line->Offset(this, 10000);
if (w > width) {
width = w;
widestline = l;
}
}
if (autosized) {
IntCoord dw = Width() - (xmax - xmin);
if (dw > 0) {
xmax += dw;
Redraw(xmax - dw + 1, ymin, xmax, ymax);
}
}
if (l == caretline) {
ShowCaret();
}
}
