From 4e41577b460747c1984fb705c04275dafe92412c Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Fri, 1 Feb 2013 18:21:56 +0100
Subject: [PATCH] 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.
---
 demos/gtk-demo/main.c | 71 ++++++++++++++++++++++++++++++++-----------
 1 file changed, 54 insertions(+), 17 deletions(-)

diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index e428a39f6a..ff5489150d 100644
--- 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;
+    }
 
-  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);
+  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);
 
-  gtk_text_buffer_set_text (buffer, g_bytes_get_data (bytes, NULL), g_bytes_get_size (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);
+
+      g_free (content_type);
+      g_free (resource_name);
+      g_bytes_unref (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;