drawBeforeText

pub fn drawBeforeText(self: *TextEntryWidget) void {
    const focused = (self.data().id == dvui.focusedWidgetId());

    if (focused) {
        dvui.wantTextInput(self.data().borderRectScale().r.toNatural());
    }

    // set clip back to what textLayout had, so we don't draw over the scrollbars
    dvui.clipSet(self.textClip);

    if (self.init_opts.cache_layout) {
        self.textLayout.cache_layout_bytes = self.textLayout.bytesNeeded(
            self.text_changed_start,
            self.text_changed_end,
            self.text_changed_added,
        );
    }
}