Reorganisation of the source tree

Most of the other users of the fptools build system have migrated to
Cabal, and with the move to darcs we can now flatten the source tree
without losing history, so here goes.

The main change is that the ghc/ subdir is gone, and most of what it
contained is now at the top level.  The build system now makes no
pretense at being multi-project, it is just the GHC build system.

No doubt this will break many things, and there will be a period of
instability while we fix the dependencies.  A straightforward build
should work, but I haven't yet fixed binary/source distributions.
Changes to the Building Guide will follow, too.

1 files changed, 144 insertions, 0 deletions

diff --git a/rts/VisSupport.c b/rts/VisSupport.c
new file mode 100644
index 0000000000..a85c5f43a4
--- /dev/null
+++ b/rts/VisSupport.c
@@ -0,0 +1,144 @@
+/*
+ * DO NOT EDIT THIS FILE - it is generated by Glade.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+
+#include <gtk/gtk.h>
+
+#include "VisSupport.h"
+
+GtkWidget*
+lookup_widget                          (GtkWidget       *widget,
+                                        const gchar     *widget_name)
+{
+  GtkWidget *parent, *found_widget;
+
+  for (;;)
+    {
+      if (GTK_IS_MENU (widget))
+        parent = gtk_menu_get_attach_widget (GTK_MENU (widget));
+      else
+        parent = widget->parent;
+      if (!parent)
+        parent = (GtkWidget*) g_object_get_data (G_OBJECT (widget), "GladeParentKey");
+      if (parent == NULL)
+        break;
+      widget = parent;
+    }
+
+  found_widget = (GtkWidget*) g_object_get_data (G_OBJECT (widget),
+                                                 widget_name);
+  if (!found_widget)
+    g_warning ("Widget not found: %s", widget_name);
+  return found_widget;
+}
+
+static GList *pixmaps_directories = NULL;
+
+/* Use this function to set the directory containing installed pixmaps. */
+void
+add_pixmap_directory                   (const gchar     *directory)
+{
+  pixmaps_directories = g_list_prepend (pixmaps_directories,
+                                        g_strdup (directory));
+}
+
+/* This is an internally used function to find pixmap files. */
+static gchar*
+find_pixmap_file                       (const gchar     *filename)
+{
+  GList *elem;
+
+  /* We step through each of the pixmaps directory to find it. */
+  elem = pixmaps_directories;
+  while (elem)
+    {
+      gchar *pathname = g_strdup_printf ("%s%s%s", (gchar*)elem->data,
+                                         G_DIR_SEPARATOR_S, filename);
+      if (g_file_test (pathname, G_FILE_TEST_EXISTS))
+        return pathname;
+      g_free (pathname);
+      elem = elem->next;
+    }
+  return NULL;
+}
+
+/* This is an internally used function to create pixmaps. */
+GtkWidget*
+create_pixmap                          (GtkWidget       *widget,
+                                        const gchar     *filename)
+{
+  gchar *pathname = NULL;
+  GtkWidget *pixmap;
+
+  if (!filename || !filename[0])
+      return gtk_image_new ();
+
+  pathname = find_pixmap_file (filename);
+
+  if (!pathname)
+    {
+      g_warning ("Couldn't find pixmap file: %s", filename);
+      return gtk_image_new ();
+    }
+
+  pixmap = gtk_image_new_from_file (pathname);
+  g_free (pathname);
+  return pixmap;
+}
+
+/* This is an internally used function to create pixmaps. */
+GdkPixbuf*
+create_pixbuf                          (const gchar     *filename)
+{
+  gchar *pathname = NULL;
+  GdkPixbuf *pixbuf;
+  GError *error = NULL;
+
+  if (!filename || !filename[0])
+      return NULL;
+
+  pathname = find_pixmap_file (filename);
+
+  if (!pathname)
+    {
+      g_warning ("Couldn't find pixmap file: %s", filename);
+      return NULL;
+    }
+
+  pixbuf = gdk_pixbuf_new_from_file (pathname, &error);
+  if (!pixbuf)
+    {
+      fprintf (stderr, "Failed to load pixbuf file: %s: %s\n",
+               pathname, error->message);
+      g_error_free (error);
+    }
+  g_free (pathname);
+  return pixbuf;
+}
+
+/* This is used to set ATK action descriptions. */
+void
+glade_set_atk_action_description       (AtkAction       *action,
+                                        const gchar     *action_name,
+                                        const gchar     *description)
+{
+  gint n_actions, i;
+
+  n_actions = atk_action_get_n_actions (action);
+  for (i = 0; i < n_actions; i++)
+    {
+      if (!strcmp (atk_action_get_name (action, i), action_name))
+        atk_action_set_description (action, i, description);
+    }
+}
+