Added the tentative undo feature. This is useful for IMEs that want to display

and manipulate a character being composed, but may then commit or remove it
leaving no history in undo of the intermediate forms.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/Document.h b/src/Document.h
index a59f192a9..0f2985f89 100644
--- a/src/Document.h
+++ b/src/Document.h
@@ -303,6 +303,12 @@ public:
 	void AddUndoAction(int token, bool mayCoalesce) { cb.AddUndoAction(token, mayCoalesce); }
 	void SetSavePoint();
 	bool IsSavePoint() const { return cb.IsSavePoint(); }
+
+	void TentativeStart() { cb.TentativeStart(); }
+	void TentativeCommit() { cb.TentativeCommit(); }
+	void TentativeUndo();
+	bool TentativeActive() { return cb.TentativeActive(); }
+
 	const char * SCI_METHOD BufferPointer() { return cb.BufferPointer(); }
 	const char *RangePointer(int position, int rangeLength) { return cb.RangePointer(position, rangeLength); }
 	int GapPosition() const { return cb.GapPosition(); }