[gnome-builder/editor-layout] add changed signal to GbSourceCodeAssistant

[Christian Hergert <chergert src gnome org>]

commit 1caf4517cc081c6df15c8f7b7fb388a278ae699f
Author: Christian Hergert <christian hergert me>
Date:   Sat Nov 29 01:40:39 2014 -0800

    add changed signal to GbSourceCodeAssistant

 src/code-assistant/gb-source-code-assistant.c |   20 ++++++++++++++++++--
 src/code-assistant/gb-source-code-assistant.h |    2 ++
 2 files changed, 20 insertions(+), 2 deletions(-)
---
diff --git a/src/code-assistant/gb-source-code-assistant.c b/src/code-assistant/gb-source-code-assistant.c
index 148a22d..d45ed87 100644
--- a/src/code-assistant/gb-source-code-assistant.c
+++ b/src/code-assistant/gb-source-code-assistant.c
@@ -32,19 +32,24 @@ struct _GbSourceCodeAssistantPrivate
   guint          active : 1;
 };
 
-enum
-{
+enum {
   PROP_0,
   PROP_ACTIVE,
   PROP_BUFFER,
   LAST_PROP
 };
 
+enum {
+  CHANGED,
+  LAST_SIGNAL
+};
+
 G_DEFINE_TYPE_WITH_PRIVATE (GbSourceCodeAssistant,
                             gb_source_code_assistant,
                             G_TYPE_OBJECT)
 
 static GParamSpec *gParamSpecs [LAST_PROP];
+static guint       gSignals [LAST_SIGNAL];
 
 #define PARSE_TIMEOUT_MSEC 350
 
@@ -283,6 +288,17 @@ gb_source_code_assistant_class_init (GbSourceCodeAssistantClass *klass)
                           G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (object_class, PROP_BUFFER,
                                    gParamSpecs [PROP_BUFFER]);
+
+  gSignals [CHANGED] =
+    g_signal_new ("changed",
+                  GB_TYPE_SOURCE_CODE_ASSISTANT,
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GbSourceCodeAssistantClass, changed),
+                  NULL,
+                  NULL,
+                  g_cclosure_marshal_VOID__VOID,
+                  G_TYPE_NONE,
+                  0);
 }
 
 static void
diff --git a/src/code-assistant/gb-source-code-assistant.h b/src/code-assistant/gb-source-code-assistant.h
index 1ef6364..f646ff0 100644
--- a/src/code-assistant/gb-source-code-assistant.h
+++ b/src/code-assistant/gb-source-code-assistant.h
@@ -47,6 +47,8 @@ struct _GbSourceCodeAssistant
 struct _GbSourceCodeAssistantClass
 {
   GObjectClass parent_class;
+
+  void (*changed) (GbSourceCodeAssistant *assistant);
 };
 
 GType                  gb_source_code_assistant_get_type        (void) G_GNUC_CONST;