+
+ /* 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 ();