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

[xscreensaver] / hacks / glx / rubik.c

diff --git a/hacks/glx/rubik.c b/hacks/glx/rubik.c
index 20ced9733cab4ca1d516fdee602e08f7e32cade0..bccacc7c134b891d691414a2409b1e8056dab9fb 100644 (file)
--- a/hacks/glx/rubik.c
+++ b/hacks/glx/rubik.c
@@ -1824,37 +1824,13 @@ rubik_handle_event (ModeInfo *mi, XEvent *event)
 {
   rubikstruct *rp = &rubik[MI_SCREEN(mi)];
 
-  if (event->xany.type == ButtonPress &&
-      event->xbutton.button == Button1)
+  if (gltrackball_event_handler (event, rp->trackball,
+                                 MI_WIDTH (mi), MI_HEIGHT (mi),
+                                 &rp->button_down_p))
+    return True;
+  else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
     {
-      rp->button_down_p = True;
-      gltrackball_start (rp->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)
-    {
-      rp->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 (rp->trackball, event->xbutton.button, 10,
-                              !!event->xbutton.state);
-      return True;
-    }
-  else if (event->xany.type == MotionNotify &&
-           rp->button_down_p)
-    {
-      gltrackball_track (rp->trackball,
-                         event->xmotion.x, event->xmotion.y,
-                         MI_WIDTH (mi), MI_HEIGHT (mi));
+      rp->done = 1;
       return True;
     }
 
@@ -1943,7 +1919,7 @@ init_rubik(ModeInfo * mi)
        rp->PX = ((float) LRAND() / (float) MAXRAND) * 2.0 - 1.0;
        rp->PY = ((float) LRAND() / (float) MAXRAND) * 2.0 - 1.0;
 
-    rp->trackball = gltrackball_init ();
+    rp->trackball = gltrackball_init (True);
 
        if ((rp->glx_context = init_GL(mi)) != NULL) {
 
@@ -2031,10 +2007,7 @@ draw_rubik(ModeInfo * mi)
                glScalef(Scale4Iconic * rp->WindH / rp->WindW, Scale4Iconic, Scale4Iconic);
        }
 
-    /* Do it twice because we don't track the device's orientation. */
-    glRotatef( current_device_rotation(), 0, 0, 1);
     gltrackball_rotate (rp->trackball);
-    glRotatef(-current_device_rotation(), 0, 0, 1);
 
        glRotatef(rp->step * 100, 1, 0, 0);
        glRotatef(rp->step * 95, 0, 1, 0);