--- /dev/null
+#include <string.h>
+#include <stdlib.h>
+#include <atk/atk.h>
+#include <gtk/gtk.h>
+#include <testlib.h>
+
+static void _traverse_children (AtkObject *obj);
+static void _add_handler (AtkObject *obj);
+static void _check_properties (AtkObject *obj);
+static void _property_change_handler (AtkObject *obj,
+ AtkPropertyValues *values);
+static void _state_changed (AtkObject *obj,
+ const gchar *name,
+ gboolean set);
+static void _selection_changed (AtkObject *obj);
+static void _visible_data_changed (AtkObject *obj);
+static void _model_changed (AtkObject *obj);
+static void _create_event_watcher (void);
+
+static guint id;
+
+static void
+_state_changed (AtkObject *obj,
+ const gchar *name,
+ gboolean set)
+{
+ g_print ("_state_changed: %s: state %s %s\n",
+ g_type_name (G_OBJECT_TYPE (obj)),
+ set ? "is" : "was", name);
+}
+
+static void
+_selection_changed (AtkObject *obj)
+{
+ gchar *type;
+
+ if (ATK_IS_TEXT (obj))
+ type = "text";
+ else if (ATK_IS_SELECTION (obj))
+ type = "child selection";
+ else
+ {
+ g_assert_not_reached();
+ return;
+ }
+
+ g_print ("In selection_changed signal handler for %s, object type: %s\n",
+ type, g_type_name (G_OBJECT_TYPE (obj)));
+}
+
+static void
+_visible_data_changed (AtkObject *obj)
+{
+ g_print ("In visible_data_changed signal handler, object type: %s\n",
+ g_type_name (G_OBJECT_TYPE (obj)));
+}
+
+static void
+_model_changed (AtkObject *obj)
+{
+ g_print ("In model_changed signal handler, object type: %s\n",
+ g_type_name (G_OBJECT_TYPE (obj)));
+}
+
+static void
+_property_change_handler (AtkObject *obj,
+ AtkPropertyValues *values)
+{
+ const gchar *type_name = g_type_name (G_TYPE_FROM_INSTANCE (obj));
+ const gchar *name = atk_object_get_name (obj);
+
+ g_print ("_property_change_handler: Accessible Type: %s\n",
+ type_name ? type_name : "NULL");
+ g_print ("_property_change_handler: Accessible name: %s\n",
+ name ? name : "NULL");
+ g_print ("_property_change_handler: PropertyName: %s\n",
+ values->property_name ? values->property_name: "NULL");
+ if (G_VALUE_HOLDS_STRING (&values->new_value))
+ g_print ("_property_change_handler: PropertyValue: %s\n",
+ g_value_get_string (&values->new_value));
+ else if (strcmp (values->property_name, "accessible-child") == 0)
+ {
+ if (G_IS_VALUE (&values->old_value))
+ {
+ g_print ("Child is removed: %s\n",
+ g_type_name (G_TYPE_FROM_INSTANCE (g_value_get_pointer (&values->old_value))));
+ }
+ if (G_IS_VALUE (&values->new_value))
+ {
+ g_print ("Child is added: %s\n",
+ g_type_name (G_TYPE_FROM_INSTANCE (g_value_get_pointer (&values->new_value))));
+ }
+ }
+ else if (strcmp (values->property_name, "accessible-parent") == 0)
+ {
+ if (G_IS_VALUE (&values->old_value))
+ {
+ g_print ("Parent is removed: %s\n",
+ g_type_name (G_TYPE_FROM_INSTANCE (g_value_get_pointer (&values->old_value))));
+ }
+ if (G_IS_VALUE (&values->new_value))
+ {
+ g_print ("Parent is added: %s\n",
+ g_type_name (G_TYPE_FROM_INSTANCE (g_value_get_pointer (&values->new_value))));
+ }
+ }
+ else if (strcmp (values->property_name, "accessible-value") == 0)
+ {
+ if (G_VALUE_HOLDS_DOUBLE (&values->new_value))
+ {
+ g_print ("Value now is (double) %f\n",
+ g_value_get_double (&values->new_value));
+ }
+ }
+}
+
+static void
+_traverse_children (AtkObject *obj)
+{
+ gint n_children, i;
+ AtkRole role;
+
+ role = atk_object_get_role (obj);
+
+ if ((role == ATK_ROLE_TABLE) ||
+ (role == ATK_ROLE_TREE_TABLE))
+ return;
+
+ n_children = atk_object_get_n_accessible_children (obj);
+ for (i = 0; i < n_children; i++)
+ {
+ AtkObject *child;
+
+ child = atk_object_ref_accessible_child (obj, i);
+ _add_handler (child);
+ _traverse_children (child);
+ g_object_unref (G_OBJECT (child));
+ }
+}
+
+static void
+_add_handler (AtkObject *obj)
+{
+ static GPtrArray *obj_array = NULL;
+ gboolean found = FALSE;
+ gint i;
+
+ /*
+ * We create a property handler for each object if one was not associated
+ * with it already.
+ *
+ * We add it to our array of objects which have property handlers; if an
+ * object is destroyed it remains in the array.
+ */
+ if (obj_array == NULL)
+ obj_array = g_ptr_array_new ();
+
+ for (i = 0; i < obj_array->len; i++)
+ {
+ if (obj == g_ptr_array_index (obj_array, i))
+ {
+ found = TRUE;
+ break;
+ }
+ }
+ if (!found)
+ {
+ atk_object_connect_property_change_handler (obj,
+ (AtkPropertyChangeHandler*) _property_change_handler);
+ g_signal_connect (obj, "state-change",
+ (GCallback) _state_changed, NULL);
+ if (ATK_IS_SELECTION (obj))
+ g_signal_connect (obj, "selection_changed",
+ (GCallback) _selection_changed, NULL);
+ g_signal_connect (obj, "visible_data_changed",
+ (GCallback) _visible_data_changed, NULL);
+ if (ATK_IS_TABLE (obj))
+ g_signal_connect (obj, "model_changed",
+ (GCallback) _model_changed, NULL);
+ g_ptr_array_add (obj_array, obj);
+ }
+}
+
+static void
+_check_properties (AtkObject *obj)
+{
+ AtkRole role;
+
+ g_print ("Start of _check_properties: %s\n",
+ g_type_name (G_OBJECT_TYPE (obj)));
+
+ _add_handler (obj);
+
+ role = atk_object_get_role (obj);
+ if (role == ATK_ROLE_FRAME ||
+ role == ATK_ROLE_DIALOG)
+ {
+ /*
+ * Add handlers to all children.
+ */
+ _traverse_children (obj);
+ }
+ g_print ("End of _check_properties\n");
+}
+
+static void
+_create_event_watcher (void)
+{
+ id = atk_add_focus_tracker (_check_properties);
+}
+
+int
+gtk_module_init(gint argc, char* argv[])
+{
+ g_print("testprops Module loaded\n");
+
+ _create_event_watcher();
+
+ return 0;
+}
projects / ~andy / gtk / blobdiff