From http://www.jwz.org/xscreensaver/xscreensaver-5.35.tar.gz

[xscreensaver] / hacks / glx / sierpinski3d.c

diff --git a/hacks/glx/sierpinski3d.c b/hacks/glx/sierpinski3d.c
index 078369987583a6ab0e48a054a047c0ae478b23bf..5be6862cd7c5e2dc50b9de3d20c83cd1cd4f783f 100644 (file)
--- a/hacks/glx/sierpinski3d.c
+++ b/hacks/glx/sierpinski3d.c
@@ -30,6 +30,7 @@ static const char sccsid[] = "@(#)sierpinski3D.c      00.01 99/11/04 xlockmore";
 # define DEFAULTS                                      "*delay:                20000   \n"                     \
                                                                        "*showFPS:      False   \n"                     \
                                                                        "*wireframe:    False   \n"                     \
+                                                                       "*suppressRotationAnimation: True\n" \
 
 # define refresh_gasket 0
 # include "xlockmore.h"                /* from the xscreensaver distribution */
@@ -396,6 +397,14 @@ reshape_gasket(ModeInfo *mi, int width, int height)
              0.0, 0.0, 0.0,
              0.0, 1.0, 0.0);
   
+# ifdef HAVE_MOBILE    /* Keep it the same relative size when rotated. */
+  {
+    int o = (int) current_device_rotation();
+    if (o != 0 && o != 180 && o != -180)
+      glScalef (1/h, 1/h, 1/h);
+  }
+# endif
+
   glClear(GL_COLOR_BUFFER_BIT);
 }
 
@@ -418,37 +427,38 @@ gasket_handle_event (ModeInfo *mi, XEvent *event)
 {
   gasketstruct *gp = &gasket[MI_SCREEN(mi)];
 
-  if (event->xany.type == ButtonPress &&
-      event->xbutton.button == Button1)
-    {
-      gp->button_down_p = True;
-      gltrackball_start (gp->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)
-    {
-      gp->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))
+  if (gltrackball_event_handler (event, gp->trackball,
+                                 MI_WIDTH (mi), MI_HEIGHT (mi),
+                                 &gp->button_down_p))
+    return True;
+  else if (event->xany.type == KeyPress)
     {
-      gltrackball_mousewheel (gp->trackball, event->xbutton.button, 10,
-                              !!event->xbutton.state);
-      return True;
+      KeySym keysym;
+      char c = 0;
+      XLookupString (&event->xkey, &c, 1, &keysym, 0);
+      if (c == '+' || c == '=' ||
+          keysym == XK_Up || keysym == XK_Right || keysym == XK_Next)
+        {
+          gp->tick = speed;
+          gp->current_depth += (gp->current_depth > 0 ? 1 : -1);
+          gp->current_depth--;
+          return True;
+        }
+      else if (c == '-' || c == '_' ||
+               keysym == XK_Down || keysym == XK_Left || keysym == XK_Prior)
+        {
+          gp->tick = speed;
+          gp->current_depth -= (gp->current_depth > 0 ? 1 : -1);
+          gp->current_depth--;
+          return True;
+        }
+      else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
+        goto DEF;
     }
-  else if (event->xany.type == MotionNotify &&
-           gp->button_down_p)
+  else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
     {
-      gltrackball_track (gp->trackball,
-                         event->xmotion.x, event->xmotion.y,
-                         MI_WIDTH (mi), MI_HEIGHT (mi));
+    DEF:
+      gp->tick = speed;
       return True;
     }
 
@@ -481,7 +491,7 @@ init_gasket(ModeInfo *mi)
                             1.0,
                             do_wander ? wander_speed : 0,
                             True);
-    gp->trackball = gltrackball_init ();
+    gp->trackball = gltrackball_init (True);
   }
 
   gp->ncolors = 255;