[gtkmm] Gtk::Main: Add a constructor with no argc and argv.

[Murray Cumming <murrayc src gnome org>]

commit 7d5a3cbec4925af76a4cdff3cfc0ec226a821f55
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Mar 7 13:09:05 2011 +0100

    Gtk::Main: Add a constructor with no argc and argv.
    
    * gtk/src/main.[hg|ccg]: Main: Add a public constructor with no argc/argv
    parameters, becase that is now officially allowed by the C API.
    See https://bugzilla.gnome.org/show_bug.cgi?id=643649#c3

 ChangeLog        |    8 ++++++++
 gtk/src/main.ccg |   13 ++-----------
 gtk/src/main.hg  |    5 ++++-
 3 files changed, 14 insertions(+), 12 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 3aa68e9..d8bf684 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-03-07  Murray Cumming  <murrayc murrayc com>
+
+	Gtk::Main: Add a constructor with no argc and argv.
+
+	* gtk/src/main.[hg|ccg]: Main: Add a public constructor with no argc/argv 
+	parameters, becase that is now officially allowed by the C API.
+	See https://bugzilla.gnome.org/show_bug.cgi?id=643649#c3
+	
 2011-03-04  Murray Cumming  <murrayc murrayc com>
 
 	Window: Added unset_application, 
diff --git a/gtk/src/main.ccg b/gtk/src/main.ccg
index 347d818..da55769 100644
--- a/gtk/src/main.ccg
+++ b/gtk/src/main.ccg
@@ -261,18 +261,9 @@ Main::Main(int* argc, char*** argv, bool set_locale)
   init(argc, argv, parameter_string, entries, translation_domain);
 }*/
 
-// Default ctor only used by subclasses:
-Main::Main()
+Main::Main(bool set_locale)
 {
-  if(instance_ == 0)
-  {
-    init_gtkmm_internals();
-    instance_ = this;
-  }
-  else
-  {
-    g_warning("Gtk::Main instantiated twice");
-  }
+  init(0, 0, set_locale);
 }
 
 Main::~Main()
diff --git a/gtk/src/main.hg b/gtk/src/main.hg
index b5aeb06..c49d000 100644
--- a/gtk/src/main.hg
+++ b/gtk/src/main.hg
@@ -117,6 +117,10 @@ public:
 
   /// See Main(int* argc, char*** argv, bool set_locale).
   Main(int& argc, char**& argv, bool set_locale = true);
+  
+  /**
+   */
+  explicit Main(bool set_locale = true);
 
  
   virtual ~Main();
@@ -200,7 +204,6 @@ public:
   static void init_gtkmm_internals();
 
 protected:
-  Main();
 
   void init(int* argc, char*** argv, bool set_locale);
   // TODO: implement this to use the new Glib::OptionEntry argument parsing classes.