mac_drawgrowicon(s);
static void mac_adjustsize(Session *s, int newrows, int newcols) {    int winwidth, winheight;    winwidth = newcols * s->font_width + 15;    winheight = newrows * s->font_height;    SizeWindow(s->window, winwidth, winheight, true);    HideControl(s->scrollbar);    MoveControl(s->scrollbar, winwidth - 15, -1);    SizeControl(s->scrollbar, 16, winheight - 13);    ShowControl(s->scrollbar);}