cut

pub fn cut(self: *TextEntryWidget) void {
    var sel = self.textLayout.selectionGet(self.len);
    if (!sel.empty()) {
        // copy selection to clipboard
        dvui.clipboardTextSet(self.text[sel.start..sel.end]);

        // delete selection
        self.textChangedRemoved(sel.start, sel.end);
        @memmove(self.text[sel.start..][0 .. self.len - sel.end], self.text[sel.end..self.len]);
        self.setLen(self.len - (sel.end - sel.start));
        sel.end = sel.start;
        sel.cursor = sel.start;
        self.textLayout.scroll_to_cursor = true;
    }
}