gtk-demo: Display all resources on the right side

This way, people know what stuff we are loading.

And instead of listing all the files in the top (and forgetting things),
we just take them from the resources list.

diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index e428a39f6ad2027be0432ff04642c843b3748c8e..ff5489150d9203f0535b7c17834e3db3ce882270 100644 (file)
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -401,26 +401,66 @@ fontify (void)
 static GtkWidget *create_text (GtkTextBuffer **buffer, gboolean is_source);
 
 static void
-add_data_tab (const gchar *demoname,
-              const gchar *filename)
+add_data_tab (const gchar *demoname)
 {
   GtkTextBuffer *buffer = NULL;
-  gchar *resource_name;
+  gchar *resource_dir, *resource_name, *content_type;
+  gchar **resources;
   GBytes *bytes;
   GtkWidget *widget, *label;
+  guint i;
 
-  resource_name = g_strconcat ("/", demoname, "/", filename, NULL);
-  bytes = g_resources_lookup_data (resource_name, 0, NULL);
-  g_assert (bytes);
-  g_free (resource_name);
+  resource_dir = g_strconcat ("/", demoname, NULL);
+  resources = g_resources_enumerate_children (resource_dir, 0, NULL);
+  if (resources == NULL)
+    {
+      g_free (resource_dir);
+      return;
+    }
+
+  for (i = 0; resources[i]; i++)
+    {
+      resource_name = g_strconcat (resource_dir, "/", resources[i], NULL);
+      bytes = g_resources_lookup_data (resource_name, 0, NULL);
+      g_assert (bytes);
+
+      content_type = g_content_type_guess (resource_name,
+                                           g_bytes_get_data (bytes, NULL),
+                                           g_bytes_get_size (bytes),
+                                           NULL);
+
+      /* In theory we should look at all the mime types gdk-pixbuf supports
+       * and go from there, but we know what file types we've added.
+       */
+      if (g_content_type_is_a (content_type, "image/png") ||
+          g_content_type_is_a (content_type, "image/gif") ||
+          g_content_type_is_a (content_type, "image/jpeg"))
+        {
+          widget = gtk_image_new_from_resource (resource_name);
+        }
+      else if (g_content_type_is_a (content_type, "text/plain"))
+        {
+          widget = create_text (&buffer, FALSE);
+          gtk_text_buffer_set_text (buffer, g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes));
+        }
+      else
+        {
+          g_warning ("Don't know how to display resource '%s' of type '%s'\n", resource_name, content_type);
+          widget = NULL;
+        }
+
+      gtk_widget_show_all (widget);
+      label = gtk_label_new (resources[i]);
+      gtk_widget_show (label);
+      gtk_notebook_append_page (GTK_NOTEBOOK (notebook), widget, label);
 
-  widget = create_text (&buffer, FALSE);
-  gtk_widget_show_all (widget);
-  label = gtk_label_new (filename);
-  gtk_widget_show (label);
-  gtk_notebook_append_page (GTK_NOTEBOOK (notebook), widget, label);
+      g_free (content_type);
+      g_free (resource_name);
+      g_bytes_unref (bytes);
+    }
 
-  gtk_text_buffer_set_text (buffer, g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes));
+  g_strfreev (resources);
+  g_free (resource_dir);
 }
 
 static void
@@ -449,10 +489,7 @@ load_file (const gchar *demoname,
 
   names = g_strsplit (filename, " ", -1);
 
-  for (i = 1; names[i]; i++) {
-    if (strlen (names[i]) > 0)
-      add_data_tab (demoname, names[i]);
-  }
+  add_data_tab (demoname);
 
   if (current_file && !strcmp (current_file, names[0]))
     goto out;