void TextDisplay::HideCaret () {
if (Interactor::ValidCanvas(canvas) &&
caretline >= topline && caretline <= bottomline
) {
TextLine* l = Line(caretline, true);
l->Draw(this, caretline, caretindex-1, caretindex);
}
}
void TextDisplay::Redraw (IntCoord l, IntCoord b, IntCoord r, IntCoord t) {
if (canvas != nil) {
int first = LineNumber(t);
int last = LineNumber(b);
for (int i = first; i <= last; ++i) {
int begin = LineIndex(i, l, false);
int end = LineIndex(i, r, false);
TextLine* line = Line(i, false);
if (line != nil) {
line->Draw(this, i, begin, end);
} else {
IntCoord base = Base(i);
IntCoord top = Top(i);
painter->ClearRect(
canvas, l, Math::max(base, b), r, Math::min(top, t)
);
}
if (caretline == i && caretindex >= begin && caretindex <= end) {
ShowCaret();
}
}
}
}
void TextDisplay::HideCaret () {
if (canvas != nil && caretline >= topline && caretline <= bottomline) {
TextLine* l = Line(caretline, true);
l->Draw(this, caretline, caretindex-1, caretindex);
}
}
