From http://www.jwz.org/xscreensaver/xscreensaver-5.30.tar.gz

[xscreensaver] / hacks / glx / companion.c

diff --git a/hacks/glx/companion.c b/hacks/glx/companion.c
index b9a290e3ba8716a606401b2d1df090e2cc615b61..441028e7fbbe3a6e7524cfb05a0eb2a295cc4f94 100644 (file)
--- a/hacks/glx/companion.c
+++ b/hacks/glx/companion.c
@@ -1,4 +1,4 @@
-/* companioncube, Copyright (c) 2011 Jamie Zawinski <jwz@jwz.org>
+/* companioncube, Copyright (c) 2011-2014 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -370,39 +370,10 @@ cube_handle_event (ModeInfo *mi, XEvent *event)
 {
   cube_configuration *bp = &bps[MI_SCREEN(mi)];
 
-  if (event->xany.type == ButtonPress &&
-      event->xbutton.button == Button1)
-    {
-      bp->button_down_p = True;
-      gltrackball_start (bp->trackball,
-                         event->xbutton.x, event->xbutton.y,
-                         MI_WIDTH (mi), MI_HEIGHT (mi));
-      return True;
-    }
-  else if (event->xany.type == ButtonRelease &&
-           event->xbutton.button == Button1)
-    {
-      bp->button_down_p = False;
-      return True;
-    }
-  else if (event->xany.type == ButtonPress &&
-           (event->xbutton.button == Button4 ||
-            event->xbutton.button == Button5 ||
-            event->xbutton.button == Button6 ||
-            event->xbutton.button == Button7))
-    {
-      gltrackball_mousewheel (bp->trackball, event->xbutton.button, 3,
-                              !event->xbutton.state);
-      return True;
-    }
-  else if (event->xany.type == MotionNotify &&
-           bp->button_down_p)
-    {
-      gltrackball_track (bp->trackball,
-                         event->xmotion.x, event->xmotion.y,
-                         MI_WIDTH (mi), MI_HEIGHT (mi));
-      return True;
-    }
+  if (gltrackball_event_handler (event, bp->trackball,
+                                 MI_WIDTH (mi), MI_HEIGHT (mi),
+                                 &bp->button_down_p))
+    return True;
 
   return False;
 }
@@ -455,7 +426,7 @@ init_cube (ModeInfo *mi)
       glLightfv(GL_LIGHT0, GL_SPECULAR, spc);
     }
 
-  bp->trackball = gltrackball_init ();
+  bp->trackball = gltrackball_init (False);
 
   bp->dlists = (GLuint *) calloc (countof(all_objs)+2, sizeof(GLuint));
   for (i = 0; i < countof(all_objs)+1; i++)