EmacsScroller *bar;
int window_y, window_height;
int top, left, height, width;
+ BOOL update_p = YES;
/* optimization; display engine sends WAY too many of these.. */
if (!NILP (window->vertical_scroll_bar))
}
else
view->scrollbarsNeedingUpdate--;
+ update_p = NO;
}
}
bar = [[EmacsScroller alloc] initFrame: r window: win];
wset_vertical_scroll_bar (window, make_save_ptr (bar));
+ update_p = YES;
}
else
{
if (oldRect.origin.x != r.origin.x)
ns_clear_frame_area (f, left, top, width, height);
[bar setFrame: r];
+ update_p = YES;
}
}
- [bar setPosition: position portion: portion whole: whole];
+ if (update_p)
+ [bar setPosition: position portion: portion whole: whole];
unblock_input ();
}