[glib] Add debug output to GApplication actions example

[Ryan Lortie <ryanl src gnome org>]

commit 0e10116b3b2c26a30722317ebf4347f1c2d964a9
Author: Ryan Lortie <desrt desrt ca>
Date:   Wed May 18 16:12:04 2011 -0400

    Add debug output to GApplication actions example
    
    Enough to clearly demonstrate bug #650236.

 gio/tests/gapplication-example-actions.c |   43 ++++++++++++++++++++++++++++-
 1 files changed, 41 insertions(+), 2 deletions(-)
---
diff --git a/gio/tests/gapplication-example-actions.c b/gio/tests/gapplication-example-actions.c
index 0b8be94..a8b1677 100644
--- a/gio/tests/gapplication-example-actions.c
+++ b/gio/tests/gapplication-example-actions.c
@@ -5,7 +5,9 @@
 static void
 activate (GApplication *application)
 {
+  g_application_hold (application);
   g_print ("activated\n");
+  g_application_release (application);
 }
 
 static void
@@ -13,7 +15,11 @@ activate_action (GAction  *action,
                  GVariant *parameter,
                  gpointer  data)
 {
+  GApplication *application = G_APPLICATION (data);
+
+  g_application_hold (application);
   g_print ("action %s activated\n", g_action_get_name (action));
+  g_application_release (application);
 }
 
 static void
@@ -21,16 +27,19 @@ activate_toggle_action (GAction  *action,
                         GVariant *parameter,
                         gpointer  data)
 {
+  GApplication *application = G_APPLICATION (data);
   GVariant *state;
   gboolean b;
 
   g_print ("action %s activated\n", g_action_get_name (action));
 
+  g_application_hold (application);
   state = g_action_get_state (action);
   b = g_variant_get_boolean (state);
   g_variant_unref (state);
   g_action_set_state (action, g_variant_new_boolean (!b));
   g_print ("state change %d -> %d\n", b, !b);
+  g_application_release (application);
 }
 
 static void
@@ -56,6 +65,36 @@ add_actions (GApplication *app)
   g_object_unref (actions);
 }
 
+static void
+describe_and_activate_action (GActionGroup *group,
+                              const gchar  *name)
+{
+  const GVariantType *param_type;
+  GVariant *state;
+  gboolean enabled;
+  gchar *tmp;
+
+  param_type = g_action_group_get_action_parameter_type (group, name);
+  state = g_action_group_get_action_state (group, name);
+  enabled = g_action_group_get_action_enabled (group, name);
+
+  g_print ("action name:      %s\n", name);
+  tmp = param_type ? g_variant_type_dup_string (param_type) : NULL;
+  g_print ("parameter type:   %s\n", tmp ? tmp : "<none>");
+  g_free (tmp);
+  g_print ("state type:       %s\n",
+           state ? g_variant_get_type_string (state) : "<none>");
+  tmp = state ? g_variant_print (state, FALSE) : NULL;
+  g_print ("state:            %s\n", tmp ? tmp : "<none>");
+  g_free (tmp);
+  g_print ("enabled:          %s\n", enabled ? "true" : "false");
+
+  if (state != NULL)
+    g_variant_unref (state);
+
+  g_action_group_activate_action (group, name, NULL);
+}
+
 int
 main (int argc, char **argv)
 {
@@ -71,13 +110,13 @@ main (int argc, char **argv)
   if (argc > 1 && strcmp (argv[1], "--simple-action") == 0)
     {
       g_application_register (app, NULL, NULL);
-      g_action_group_activate_action (G_ACTION_GROUP (app), "simple-action", NULL);
+      describe_and_activate_action (G_ACTION_GROUP (app), "simple-action");
       exit (0);
     }
   else if (argc > 1 && strcmp (argv[1], "--toggle-action") == 0)
     {
       g_application_register (app, NULL, NULL);
-      g_action_group_activate_action (G_ACTION_GROUP (app), "toggle-action", NULL);
+      describe_and_activate_action (G_ACTION_GROUP (app), "toggle-action");
       exit (0);
     }