[gtkmm] Fix an API break.

[Murray Cumming <murrayc src gnome org>]

commit dbc49a81fcf58753c9cc5d671ff753488c438a57
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Aug 24 17:37:39 2009 +0200

    Fix an API break.
    
    * gtk/src/widget.[hg|cc]: Add back is_visible(), deprecated, calling
    get_visible().

 ChangeLog          |    7 +++++++
 gtk/src/widget.ccg |    4 ++++
 gtk/src/widget.hg  |    4 ++++
 3 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index cb770cb..4ca0b47 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-08-24  Murray Cumming  <murrayc murrayc-desktop>
+
+	Fix an API break.
+
+	* gtk/src/widget.[hg|cc]: Add back is_visible(), deprecated, calling 
+	get_visible().
+
 2009-08-24  Murray Cumming  <murrayc murrayc com>
 
 	Widget, CellRenderer, PrintUnixDialog: Wrapped some new functions.
diff --git a/gtk/src/widget.ccg b/gtk/src/widget.ccg
index a680d04..7064b93 100644
--- a/gtk/src/widget.ccg
+++ b/gtk/src/widget.ccg
@@ -295,6 +295,10 @@ bool Widget::is_drawable() const
   { return GTK_WIDGET_DRAWABLE(gobj()); }
 
 //deprecated:
+bool Widget::is_visible() const
+  { return get_visible(); }
+
+//deprecated:
 bool Widget::sensitive() const
   { return get_sensitive(); }
 
diff --git a/gtk/src/widget.hg b/gtk/src/widget.hg
index 6d8b7ce..2192fe2 100644
--- a/gtk/src/widget.hg
+++ b/gtk/src/widget.hg
@@ -600,6 +600,10 @@ public:
   // makes it possible to perform drawing commands on.
   bool is_drawable() const;
   
+  /** @deprecated: Use get_visible() instead.
+   */
+  bool is_visible() const;
+
   /** @deprecated: Use get_sensitive() instead.
    */
   bool sensitive() const;