FLUID: Add Synchronized Resize. #1055

1 files changed, 5 insertions, 1 deletions

diff --git a/fluid/undo.h b/fluid/undo.h
index 171fe062f..c5fae3306 100644
--- a/fluid/undo.h
+++ b/fluid/undo.h
@@ -1,7 +1,7 @@
 //
 // FLUID undo definitions for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 1998-2010 by Bill Spitzak and others.
+// Copyright 1998-2024 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -19,13 +19,17 @@
 
 class Fl_Widget;
 
+#define kUndoWindowResize 1
+
 extern int undo_current;                // Current undo level in buffer
 extern int undo_last;                   // Last undo level in buffer
 extern int undo_save;                   // Last undo level that was saved
+extern int undo_once_type;              // Suspend further undos of the same type
 
 void redo_cb(Fl_Widget *, void *);      // Redo menu callback
 void undo_cb(Fl_Widget *, void *);      // Undo menu callback
 void undo_checkpoint();                 // Save current file to undo buffer
+void undo_checkpoint_once(int type);    // Save undo buffer once until a different checkpoint type is called
 void undo_clear();                      // Clear undo buffer
 void undo_resume();                     // Resume undo checkpoints
 void undo_suspend();                    // Suspend undo checkpoints