From http://www.jwz.org/xscreensaver/xscreensaver-5.15.tar.gz

[xscreensaver] / hacks / apple2-main.c

diff --git a/hacks/apple2-main.c b/hacks/apple2-main.c
index dc42ae981dd36f06136a6295866429ee093d7d25..b2fad16e0f17dc31cef4e2bbdf0f6a4817245d02 100644 (file)
--- a/hacks/apple2-main.c
+++ b/hacks/apple2-main.c
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 1998-2006 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1998-2011 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
@@ -279,7 +279,6 @@ a2_dither (unsigned int *in, unsigned char *out, int w, int h)
   long *temp_err;
   int fs_scale = 1024;
   int brightness = 75;
-  int fs_direction;
 
 #if 0
   {
@@ -320,7 +319,6 @@ a2_dither (unsigned int *in, unsigned char *out, int w, int h)
       this_berr[x] = random() % (fs_scale * 2) - fs_scale;
       /* (random errors in [-1 .. 1]) */
     }
-  fs_direction = 1;
 
   for (y = 0; y < h; y++)
     for (x = 0; x < w; x++)
@@ -569,6 +567,9 @@ image_loaded_cb (Screen *screen, Window window, Drawable p,
      image (regardless of whether it started as TrueColor/PseudoColor.)
    */
   pick_a2_subimage (dpy, window, image, buf32, w, h);
+  free(image->data);
+  image->data = 0;
+  XDestroyImage(image);
 
   /* Then dither the 32bpp image to a 6-color Apple][ colormap.
    */
@@ -705,7 +706,7 @@ static void slideshow_controller(apple2_sim_t *sim, int *stepno,
           basename = slash+1;
         }
       {
-        char *dot=strchr(basename,'.');
+        char *dot=strrchr(basename,'.');
         if (dot) *dot=0;
       }
       if (strlen(basename)>20) basename[20]=0;
@@ -784,6 +785,7 @@ static void slideshow_controller(apple2_sim_t *sim, int *stepno,
     free(mine->render_img);
     free(mine->img_filename);
     free(mine);
+    mine = 0;
     return;
 
   }
@@ -831,12 +833,18 @@ subproc_cb (XtPointer closure, int *source, XtInputId *id)
   mine->input_available_p = True;
 }
 
+/* The structure of closure linkage throughout this code is so amazingly
+   baroque that I can't get to the 'struct state' from where I need it. */
+static const char *global_program;
+static Bool global_fast_p;
+
+
 static void
 launch_text_generator (struct terminal_controller_data *mine)
 {
   XtAppContext app = XtDisplayToApplicationContext (mine->dpy);
   char buf[255];
-  char *oprogram = get_string_resource (mine->dpy, "program", "Program");
+  char *oprogram = strdup (global_program);
   char *program = (char *) malloc (strlen (oprogram) + 10);
 
   strcpy (program, "( ");
@@ -905,6 +913,9 @@ launch_text_generator (struct terminal_controller_data *mine)
       sprintf (buf, "%.100s: %.100s", progname, program);
       perror(buf);
     }
+
+  free(oprogram);
+  free(program);
 }
 
 static void
@@ -1473,7 +1484,7 @@ terminal_controller(apple2_sim_t *sim, int *stepno, double *next_actiontime)
                                                  "Boolean");
   mine->swap_bs_del_p    = get_boolean_resource (mine->dpy, "swapBSDEL", 
                                                  "Boolean");
-  mine->fast_p           = get_boolean_resource (mine->dpy, "fast", "Boolean");
+  mine->fast_p           = global_fast_p;
 
   switch(*stepno) {
 
@@ -1526,6 +1537,7 @@ terminal_controller(apple2_sim_t *sim, int *stepno, double *next_actiontime)
   case A2CONTROLLER_FREE:
     terminal_closegen(mine);
     free(mine);
+    mine = 0;
     return;
   }
 }
@@ -1888,6 +1900,7 @@ basic_controller(apple2_sim_t *sim, int *stepno, double *next_actiontime)
 
   case A2CONTROLLER_FREE:
     free(mine);
+    mine = 0;
     break;
   }
 
@@ -1900,8 +1913,6 @@ static void (* const controllers[]) (apple2_sim_t *sim, int *stepno,
   basic_controller
 };
 
-
-
 struct state {
   int duration;
   Bool random_p;
@@ -1938,6 +1949,23 @@ apple2_init (Display *dpy, Window window)
     }
   if (s) free (s);
 
+  global_program = get_string_resource (dpy, "program", "Program");
+  global_fast_p = get_boolean_resource (dpy, "fast", "Boolean");
+
+
+  /* Kludge for MacOS standalone mode: see OSX/SaverRunner.m. */
+  {
+    const char *s = getenv ("XSCREENSAVER_STANDALONE");
+    if (s && *s && strcmp(s, "0"))
+      {
+        st->controller = terminal_controller;
+        st->random_p   = False;
+        global_program = getenv ("SHELL");
+        global_fast_p  = True;
+      }
+  }
+
+
   if (! st->random_p) {
     if (st->controller == terminal_controller ||
         st->controller == slideshow_controller)