X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fmouse_cursors.h;h=7f43e19eecccbbd2daaf80a145b79aa040a98c3b;hb=62a2d6a0647cd636f8711acceccc22142bb899aa;hp=14ce90347e552118d4d652e8ffb05c2d1624a765;hpb=7ec397c0198674de782bfac083e59e3dc8390eb7;p=ardour.git

diff --git a/gtk2_ardour/mouse_cursors.h b/gtk2_ardour/mouse_cursors.h
index 14ce90347e..7f43e19eec 100644
--- a/gtk2_ardour/mouse_cursors.h
+++ b/gtk2_ardour/mouse_cursors.h
@@ -73,10 +73,23 @@ public:
 	Gdk::Cursor* expand_left_right;
 	Gdk::Cursor* expand_up_down;
 
+	/* 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"
+	*/
+	
+	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);
+	static Gdk::Cursor* _invalid;
+	static void create_invalid ();
 };
 
 #endif /* __gtk2_ardour_mouse_cursors__ */