Fix thinkos in cubasish theme

[ardour.git] / gtk2_ardour / mouse_cursors.h

diff --git a/gtk2_ardour/mouse_cursors.h b/gtk2_ardour/mouse_cursors.h
index 6c5c94b5e917330ed80cb450f7f2efe0c96242b8..350828ecd0c35c1359aa470d2f8496055548c7aa 100644 (file)
--- a/gtk2_ardour/mouse_cursors.h
+++ b/gtk2_ardour/mouse_cursors.h
@@ -1,26 +1,27 @@
 /*
-    Copyright (C) 2000-2010 Paul Davis
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+ * Copyright (C) 2012-2015 Paul Davis <paul@linuxaudiosystems.com>
+ * Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
 
 #ifndef __gtk2_ardour_mouse_cursors__
 #define __gtk2_ardour_mouse_cursors__
 
-/** @file Handling of bitmaps to be used for mouse cursors.
+/** @file mouse_cursors.h
+ * Handling of bitmaps to be used for mouse cursors.
  *
  *  Held centrally by the Editor because some cursors are used in several places.
  */
@@ -29,6 +30,7 @@ class MouseCursors
 {
 public:
        MouseCursors ();
+       ~MouseCursors ();
 
        void set_cursor_set (const std::string& name);
        std::string cursor_set() const { return _cursor_set; }
@@ -47,7 +49,6 @@ public:
        Gdk::Cursor* selector;
        Gdk::Cursor* grabber;
        Gdk::Cursor* grabber_note;
-       Gdk::Cursor* grabber_edit_point;
        Gdk::Cursor* zoom_in;
        Gdk::Cursor* zoom_out;
        Gdk::Cursor* time_fx;
@@ -73,11 +74,23 @@ 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__ */