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

[xscreensaver] / hacks / apple2-main.c

diff --git a/hacks/apple2-main.c b/hacks/apple2-main.c
index 0e1508ff1ad514e1a0ca064ab9f58df78634df81..7691e151faefe9cbc0796da46c13aab805e1de00 100644 (file)
--- a/hacks/apple2-main.c
+++ b/hacks/apple2-main.c
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 1998-2012 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1998-2014 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
@@ -762,7 +762,21 @@ static void slideshow_controller(apple2_sim_t *sim, int *stepno,
     *stepno=10;
     break;
 
+  case 80:
+    /* Do nothing, just wait */
+    *next_actiontime += 2.0;
+    *stepno = A2CONTROLLER_FREE;
+    break;
+
   case A2CONTROLLER_FREE:
+    /* It is possible that still image is being loaded,
+       in that case mine cannot be freed, because
+       callback function tries to use it, so wait.
+    */
+    if (mine->image_loading_p) {
+      *stepno = 80;
+      break;
+    }
     free(mine->render_img);
     free(mine->img_filename);
     free(mine);
@@ -1278,7 +1292,8 @@ terminal_controller(apple2_sim_t *sim, int *stepno, double *next_actiontime)
       mine->tc = textclient_open (mine->dpy);
       textclient_reshape (mine->tc,
                           SCREEN_COLS, SCREEN_ROWS,
-                          SCREEN_COLS, SCREEN_ROWS);
+                          SCREEN_COLS, SCREEN_ROWS,
+                          0);
     }
 
     if (! mine->fast_p)
@@ -1770,7 +1785,11 @@ apple2_draw (Display *dpy, Window window, void *closure)
     st->sim = 0;
   }
 
-  return 10000;
+#ifdef USE_IPHONE
+  return 0;
+#else
+  return 5000;
+#endif
 }
 
 static void
@@ -1778,7 +1797,8 @@ apple2_reshape (Display *dpy, Window window, void *closure,
                  unsigned int w, unsigned int h)
 {
   struct state *st = (struct state *) closure;
-  analogtv_reconfigure (st->sim->dec);
+  if (st->sim)
+    analogtv_reconfigure (st->sim->dec);
 }
 
 static Bool
@@ -1786,7 +1806,8 @@ apple2_event (Display *dpy, Window window, void *closure, XEvent *event)
 {
   struct state *st = (struct state *) closure;
 
-  if (st->controller == terminal_controller &&
+  if (st->sim &&
+      st->controller == terminal_controller &&
       event->xany.type == KeyPress) {
     terminal_keypress_handler (dpy, event, st->sim->controller_data);
     return True;