[gnome-builder] editor: connect keybinding mode display name to info widget

[Christian Hergert <chergert src gnome org>]

commit ecb7a6a3b2afe1af02ce9dbfb8486e6f7813bcff
Author: Christian Hergert <christian hergert me>
Date:   Sun Mar 29 17:02:12 2015 -0700

    editor: connect keybinding mode display name to info widget

 data/ui/gb-editor-frame.ui           |   11 +++++++++++
 src/editor/gb-editor-frame-private.h |    1 +
 src/editor/gb-editor-frame.c         |   22 +++++++++++++++++++++-
 3 files changed, 33 insertions(+), 1 deletions(-)
---
diff --git a/data/ui/gb-editor-frame.ui b/data/ui/gb-editor-frame.ui
index 85800b4..b3e262e 100644
--- a/data/ui/gb-editor-frame.ui
+++ b/data/ui/gb-editor-frame.ui
@@ -24,6 +24,17 @@
                 <property name="position">0</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkLabel" id="mode_name_label">
+                <property name="margin-start">12</property>
+                <property name="margin-end">3</property>
+                <property name="visible">true</property>
+              </object>
+              <packing>
+                <property name="pack-type">start</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
           </object>
         </child>
         <child type="overlay">
diff --git a/src/editor/gb-editor-frame-private.h b/src/editor/gb-editor-frame-private.h
index 20528d9..df318ba 100644
--- a/src/editor/gb-editor-frame-private.h
+++ b/src/editor/gb-editor-frame-private.h
@@ -32,6 +32,7 @@ struct _GbEditorFrame
   GtkBin               parent_instance;
 
   NautilusFloatingBar *floating_bar;
+  GtkLabel            *mode_name_label;
   GtkLabel            *overwrite_label;
   GtkScrolledWindow   *scrolled_window;
   GtkRevealer         *search_revealer;
diff --git a/src/editor/gb-editor-frame.c b/src/editor/gb-editor-frame.c
index 461e33f..f55572b 100644
--- a/src/editor/gb-editor-frame.c
+++ b/src/editor/gb-editor-frame.c
@@ -200,6 +200,19 @@ search_text_transform_from (GBinding     *binding,
   return TRUE;
 }
 
+static gboolean
+string_to_boolean (GBinding     *binding,
+                   const GValue *from_value,
+                   GValue       *to_value,
+                   gpointer      user_data)
+{
+  gboolean visible;
+
+  visible = !gb_str_empty0 (g_value_get_string (from_value));
+  g_value_set_boolean (to_value, visible);
+  return TRUE;
+}
+
 void
 gb_editor_frame_set_document (GbEditorFrame    *self,
                               GbEditorDocument *document)
@@ -235,7 +248,13 @@ gb_editor_frame_set_document (GbEditorFrame    *self,
                            self,
                            G_CONNECT_SWAPPED);
 
-
+  g_object_bind_property (self->source_view, "mode-display-name",
+                          self->mode_name_label, "label",
+                          G_BINDING_SYNC_CREATE);
+  g_object_bind_property_full (self->source_view, "mode-display-name",
+                               self->mode_name_label, "visible",
+                               G_BINDING_SYNC_CREATE, string_to_boolean, NULL,
+                               NULL, NULL);
 }
 
 static gboolean
@@ -567,6 +586,7 @@ gb_editor_frame_class_init (GbEditorFrameClass *klass)
   GB_WIDGET_CLASS_TEMPLATE (klass, "gb-editor-frame.ui");
 
   GB_WIDGET_CLASS_BIND (klass, GbEditorFrame, floating_bar);
+  GB_WIDGET_CLASS_BIND (klass, GbEditorFrame, mode_name_label);
   GB_WIDGET_CLASS_BIND (klass, GbEditorFrame, overwrite_label);
   GB_WIDGET_CLASS_BIND (klass, GbEditorFrame, scrolled_window);
   GB_WIDGET_CLASS_BIND (klass, GbEditorFrame, search_entry);