gtk: Update the time-slice window BEFORE sleeping.

Thus when the toolkit flames out, the time-slice window stops on the
list of file descriptors Scheme IS waiting on (NOT the descriptors it
WAS waiting on).

diff --git a/src/gtk/gtkio.c.stay b/src/gtk/gtkio.c.stay
index 42b67ce77a53bf3df03ff55e092818a783886999..9010cdd64903fe2047dc7a84779de139ded33c75 100644 (file)
--- a/src/gtk/gtkio.c.stay
+++ b/src/gtk/gtkio.c.stay
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-Copyright (C) 2008, 2009, 2010, 2011  Matthew Birkholz
+Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013  Matthew Birkholz
 
 This file is part of MIT/GNU Scheme.
 
@@ -148,7 +148,6 @@ scheme_source_prepare (GSource * source, gint * timeout)
   if (src->time_limit == 0.0)
     {
       trace (";scheme_source_prepare: polling\n");
-      /* 0 here does not allow expose events to be delivered? */
       *timeout = 0;
       return (FALSE);
     }
@@ -243,24 +242,7 @@ pending_io (SchemeSource * src)
 static gboolean
 do_scheme (GSource *source)
 {
-  SchemeSource * src = (SchemeSource *)source;
-
   slice_counter += 1;
-  if (slice_window != NULL)
-    {
-      gchar * fdstr, * text;
-
-      text = g_strdup_printf ("Scheme time-slice: %d", slice_counter);
-      gtk_label_set_text (GTK_LABEL (slice_label), text);
-      g_free (text);
-
-      fdstr = gpollfds_string (src->gpollfds);
-      text = g_strdup_printf ("Channels:%s", fdstr);
-      if (fdstr[0] != '\0')
-       g_free (fdstr);
-      gtk_label_set_text (GTK_LABEL (status_label), text);
-      g_free (text);
-    }
   trace (";scheme_source_dispatch: running time slice %d\n", slice_counter);
 
   Interpret (1);
@@ -437,6 +419,23 @@ run_gtk (unsigned long registry, double time)
       if (fdstr[0] != '\0')
        g_free (fdstr);
     }
+
+  /* Update the time-slice window before "sleeping". */
+  if (slice_window != NULL)
+    {
+      gchar * fdstr, * text;
+
+      text = g_strdup_printf ("Scheme time-slice: %d", slice_counter);
+      gtk_label_set_text (GTK_LABEL (slice_label), text);
+      g_free (text);
+      fdstr = gpollfds_string (scheme_source->gpollfds);
+      text = g_strdup_printf ("Channels:%s", fdstr);
+      if (fdstr[0] != '\0')
+       g_free (fdstr);
+      gtk_label_set_text (GTK_LABEL (status_label), text);
+      g_free (text);
+    }
+
   /* Force expose event delivery, so that animations continue to move
      even when Scheme is not "idle". */
   gdk_window_process_all_updates ();
@@ -521,7 +520,7 @@ open_slice_window (void)
 {
   slice_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
   GtkWidget * grid = gtk_grid_new ();
-  status_label  = gtk_label_new ("Channels:");
+  status_label  = gtk_label_new ("Channels: -");
   slice_label  = gtk_label_new ("Scheme time-slice: 0");
   g_signal_connect (slice_window, "delete_event",
                    G_CALLBACK (slice_window_delete_event), NULL);
@@ -531,7 +530,7 @@ open_slice_window (void)
   gtk_container_add (GTK_CONTAINER (grid), status_label);
   gtk_container_add (GTK_CONTAINER (grid), slice_label);
   gtk_container_add (GTK_CONTAINER (slice_window), grid);
-  gtk_container_set_border_width (GTK_CONTAINER (slice_window), 2);
+  gtk_container_set_border_width (GTK_CONTAINER (slice_window), 5);
   gtk_window_set_title (GTK_WINDOW (slice_window), "Scheme Time-Slice Counter");
   gtk_window_set_type_hint (GTK_WINDOW (slice_window),
                            GDK_WINDOW_TYPE_HINT_UTILITY);