[gitg] Hide statusbar resize grip when window is shown maximized

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 4fb7f42e17057456a6570711a0d585907ff81112
Author: Jesse van den Kieboom <jvanden grijpc10 epfl ch>
Date:   Mon Apr 20 13:35:29 2009 +0200

    Hide statusbar resize grip when window is shown maximized
    
    Fixes bug #579592 â?? hide resize handle when fullscreen
---
 gitg/gitg-window.c |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/gitg/gitg-window.c b/gitg/gitg-window.c
index 1661d36..47ddc95 100644
--- a/gitg/gitg-window.c
+++ b/gitg/gitg-window.c
@@ -447,17 +447,39 @@ gitg_window_destroy(GtkObject *object)
 		GTK_OBJECT_CLASS(parent_class)->destroy(object);
 }
 
+static gboolean
+gitg_window_window_state_event(GtkWidget *widget, GdkEventWindowState *event)
+{
+	GitgWindow *window = GITG_WINDOW(widget);
+
+	if (event->changed_mask &
+	    (GDK_WINDOW_STATE_MAXIMIZED | GDK_WINDOW_STATE_FULLSCREEN))
+	{
+		gboolean show;
+
+		show = !(event->new_window_state &
+			(GDK_WINDOW_STATE_MAXIMIZED | GDK_WINDOW_STATE_FULLSCREEN));
+
+		gtk_statusbar_set_has_resize_grip (window->priv->statusbar, show);
+	}
+
+	return FALSE;
+}
+
 static void
 gitg_window_class_init(GitgWindowClass *klass)
 {
 	GObjectClass *object_class = G_OBJECT_CLASS(klass);
 	GtkObjectClass *gtkobject_class = GTK_OBJECT_CLASS(klass);
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
 	
 	parent_class = g_type_class_peek_parent(klass);
 		
 	object_class->finalize = gitg_window_finalize;
 	gtkobject_class->destroy = gitg_window_destroy;
 	
+	widget_class->window_state_event = gitg_window_window_state_event;
+	
 	g_type_class_add_private(object_class, sizeof(GitgWindowPrivate));
 }