From: Michael Gernoth <michael@gernoth.net>
Date: Sun, 27 Jan 2008 19:12:58 +0000 (+0100)
Subject: Optimize redrawing so that the mouse is more responsive, from Marc Espie.
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/micropolis/commitdiff_plain/ce97f582f12636d9ccd235548a7a52ea6bd4dca8

Optimize redrawing so that the mouse is more responsive, from Marc Espie.
Fixes sluggish mouse behavior.
Forwarded by Deanna Phillips.
---

diff --git a/src/sim/w_tk.c b/src/sim/w_tk.c
index ceed33a..027654d 100644
--- a/src/sim/w_tk.c
+++ b/src/sim/w_tk.c
@@ -475,8 +475,8 @@ TileViewEventProc(ClientData clientData, XEvent *eventPtr)
 /* XXX: redraw all views showing cursor */
 /* XXX: also, make sure switching tools works w/out moving */
     if (((view->tool_showing != last_showing) ||
-	 (view->tool_x != last_x) ||
-	 (view->tool_y != last_y))) {
+        ((view->tool_x >> 4) != (last_x >> 4)) ||
+        ((view->tool_y >> 4)  != (last_y >> 4)))) {
 #if 1
       EventuallyRedrawView(view);
 #else