1 files changed, 64 insertions, 0 deletions
diff --git a/app/core/gimpundostack.h b/app/core/gimpundostack.h
new file mode 100644
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--- /dev/null
+++ b/app/core/gimpundostack.h
@@ -0,0 +1,64 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_UNDO_STACK_H__
+#define __GIMP_UNDO_STACK_H__
+
+
+#include "gimpundo.h"
+
+
+#define GIMP_TYPE_UNDO_STACK            (gimp_undo_stack_get_type ())
+#define GIMP_UNDO_STACK(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_UNDO_STACK, GimpUndoStack))
+#define GIMP_UNDO_STACK_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_UNDO_STACK, GimpUndoStackClass))
+#define GIMP_IS_UNDO_STACK(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_UNDO_STACK))
+#define GIMP_IS_UNDO_STACK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_UNDO_STACK))
+#define GIMP_UNDO_STACK_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_UNDO_STACK, GimpUndoStackClass))
+
+
+typedef struct _GimpUndoStackClass GimpUndoStackClass;
+
+struct _GimpUndoStack
+{
+  GimpUndo       parent_instance;
+
+  GimpContainer *undos;
+};
+
+struct _GimpUndoStackClass
+{
+  GimpUndoClass  parent_class;
+};
+
+
+GType           gimp_undo_stack_get_type    (void) G_GNUC_CONST;
+
+GimpUndoStack * gimp_undo_stack_new         (GimpImage           *image);
+
+void            gimp_undo_stack_push_undo   (GimpUndoStack       *stack,
+                                             GimpUndo            *undo);
+GimpUndo      * gimp_undo_stack_pop_undo    (GimpUndoStack       *stack,
+                                             GimpUndoMode         undo_mode,
+                                             GimpUndoAccumulator *accum);
+
+GimpUndo      * gimp_undo_stack_free_bottom (GimpUndoStack       *stack,
+                                             GimpUndoMode         undo_mode);
+GimpUndo      * gimp_undo_stack_peek        (GimpUndoStack       *stack);
+gint            gimp_undo_stack_get_depth   (GimpUndoStack       *stack);
+
+
+#endif /* __GIMP_UNDO_STACK_H__ */