Plugin GUI activate/enable update (prefer enable)

[ardour.git] / gtk2_ardour / mouse_cursors.h

diff --git a/gtk2_ardour/mouse_cursors.h b/gtk2_ardour/mouse_cursors.h
index 756b2657d95446b21640015ff5d70f280ea788b0..8cd98ac32c9befb51d978c503bfc8d4bfcbab340 100644 (file)
--- a/gtk2_ardour/mouse_cursors.h
+++ b/gtk2_ardour/mouse_cursors.h
@@ -73,22 +73,23 @@ public:
        Gdk::Cursor* expand_left_right;
        Gdk::Cursor* expand_up_down;
 
-       /* This cursor is not intended to be used directly, it just 
+       /* This cursor is not intended to be used directly, it just
           serves as an out-of-bounds value when we need to indicate
           "no cursor". NULL/0 doesn't work for this, because it
           is actually a valid value for a Gdk::Cursor - it indicates
           "use the parent window's cursor"
        */
-       
-       bool is_invalid (Gdk::Cursor* c) const { return c == _invalid; }
-       Gdk::Cursor* invalid_cursor() const { return _invalid; }
+
+       static bool is_invalid (Gdk::Cursor* c) { if (!_invalid) { create_invalid(); } return c == _invalid; }
+       static Gdk::Cursor* invalid_cursor() { if (!_invalid) { create_invalid(); } return _invalid; }
 
     private:
        std::string _cursor_set;
        void drop_all ();
 
        Gdk::Cursor* make_cursor (const char* name, int hotspot_x = 0, int hotspot_y = 0);
-       Gdk::Cursor* _invalid;
+       static Gdk::Cursor* _invalid;
+       static void create_invalid ();
 };
 
 #endif /* __gtk2_ardour_mouse_cursors__ */