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

[xscreensaver] / hacks / glx / surfaces.c

diff --git a/hacks/glx/surfaces.c b/hacks/glx/surfaces.c
index 459d12245a257e7b1af45c28288872b5ae46aced..9ea84cddfa07cd12ad4f10413e24efc448f1b6cc 100644 (file)
--- a/hacks/glx/surfaces.c
+++ b/hacks/glx/surfaces.c
@@ -43,7 +43,8 @@
 
 #ifdef STANDALONE
 # define DEFAULTS                   "*delay:        20000   \n" \
-                                    "*showFPS:      False   \n"
+                                    "*showFPS:      False   \n" \
+                                  "*suppressRotationAnimation: True\n" \
 
 # define refresh_surface 0
 # include "xlockmore.h"     /* from the xscreensaver distribution */
@@ -428,6 +429,14 @@ ENTRYPOINT void reshape_surface(ModeInfo *mi, int width, int height)
   glLoadIdentity();
   gluLookAt(0.0, 0.0, 30.0, 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);
 }
 
@@ -436,34 +445,10 @@ ENTRYPOINT Bool surface_handle_event(ModeInfo *mi, XEvent *event)
 {
   surfacestruct *sp = &surface[MI_SCREEN(mi)];
 
-  if (event->xany.type == ButtonPress && event->xbutton.button == Button1)
-  {
-    sp->button_down_p = True;
-    gltrackball_start(sp->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)
-  {
-    sp->button_down_p = False;
+  if (gltrackball_event_handler (event, sp->trackball,
+                                 MI_WIDTH (mi), MI_HEIGHT (mi),
+                                 &sp->button_down_p))
     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(sp->trackball, event->xbutton.button, 10,
-                           !!event->xbutton.state);
-    return True;
-  }
-  else if (event->xany.type == MotionNotify && sp->button_down_p)
-  {
-    gltrackball_track (sp->trackball, event->xmotion.x, event->xmotion.y,
-                       MI_WIDTH (mi), MI_HEIGHT (mi));
-    return True;
-  }
 
   return False;
 }
@@ -493,7 +478,7 @@ ENTRYPOINT void init_surface(ModeInfo *mi)
                            1.0,
                            do_wander ? wander_speed : 0,
                            True);
-    sp->trackball = gltrackball_init ();
+    sp->trackball = gltrackball_init (True);
   }
 
   if (!strcasecmp(surface_type,"random"))