[gtkmm] Gkd::Visual: Change VisualType to Visual::Type.

[Murray Cumming <murrayc src gnome org>]

commit b204a56b91082d43acda17c9fbb500dcd9e0ea20
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Apr 27 14:17:17 2017 +0200

    Gkd::Visual: Change VisualType to Visual::Type.

 gdk/src/visual.ccg      |    2 ++
 gdk/src/visual.hg       |    6 +++---
 tools/m4/convert_gdk.m4 |    2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/gdk/src/visual.ccg b/gdk/src/visual.ccg
index 0e5e164..e4ea3e9 100644
--- a/gdk/src/visual.ccg
+++ b/gdk/src/visual.ccg
@@ -18,6 +18,8 @@
 
 #include <gdk/gdk.h>
 
+using Type = Gdk::Visual::Type;
+
 namespace Gdk
 {
 
diff --git a/gdk/src/visual.hg b/gdk/src/visual.hg
index 4a223f8..6f7845a 100644
--- a/gdk/src/visual.hg
+++ b/gdk/src/visual.hg
@@ -30,8 +30,6 @@ namespace Gdk
 
 class Screen;
 
-_WRAP_ENUM(VisualType, GdkVisualType)
-
 /** A Gdk::Visual describes a particular video hardware display format.
  * It includes information about the number of bits used for each color, the way the bits are translated 
into an RGB value
  * for display, and the way the bits are stored in memory. For example, a piece of display hardware might 
support 24-bit
@@ -55,10 +53,12 @@ protected:
   _CTOR_DEFAULT
 
 public:
+  _WRAP_ENUM(Type, GdkVisualType)
+
    _WRAP_METHOD(Glib::RefPtr<Screen> get_screen(), gdk_visual_get_screen, refreturn)
    _WRAP_METHOD(Glib::RefPtr<const Screen> get_screen() const, gdk_visual_get_screen, refreturn, 
constversion)
 
-   _WRAP_METHOD(VisualType get_visual_type() const, gdk_visual_get_visual_type)
+   _WRAP_METHOD(Type get_visual_type() const, gdk_visual_get_visual_type)
    _WRAP_METHOD(int get_depth() const, gdk_visual_get_depth)
    _WRAP_METHOD(void get_red_pixel_details(guint32& mask, int& shift, int& precision) const, 
gdk_visual_get_red_pixel_details)
    _WRAP_METHOD(void get_green_pixel_details(guint32& mask, int& shift, int& precision) const, 
gdk_visual_get_green_pixel_details)
diff --git a/tools/m4/convert_gdk.m4 b/tools/m4/convert_gdk.m4
index 843705d..752c57e 100644
--- a/tools/m4/convert_gdk.m4
+++ b/tools/m4/convert_gdk.m4
@@ -60,7 +60,7 @@ _CONV_ENUM(Gdk,SeatCapabilities)
 _CONV_ENUM(Gdk,Status)
 _CONV_ENUM(Gdk,SubpixelLayout)
 _CONV_ENUM(Gdk,SubwindowMode)
-_CONV_ENUM(Gdk,VisualType)
+_CONV_INCLASS_ENUM(Gdk,Visual,Type)
 _CONV_ENUM(Gdk,WindowAttributesType)
 _CONV_ENUM(Gdk,WindowEdge)
 _CONV_ENUM(Gdk,WindowHints)