Implement API to read and write undo history from applications.

1 files changed, 48 insertions, 0 deletions

diff --git a/src/Document.cxx b/src/Document.cxx
index 306cdb725..52081e1cd 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -351,6 +351,54 @@ void Document::TentativeUndo() {
 	}
 }
 
+int Document::UndoActions() const noexcept {
+	return cb.UndoActions();
+}
+
+void Document::SetUndoSavePoint(int action) noexcept {
+	cb.SetUndoSavePoint(action);
+}
+
+int Document::UndoSavePoint() const noexcept {
+	return cb.UndoSavePoint();
+}
+
+void Document::SetUndoCurrent(int action) noexcept {
+	cb.SetUndoCurrent(action);
+}
+
+int Document::UndoCurrent() const noexcept {
+	return cb.UndoCurrent();
+}
+
+void Document::SetUndoTentative(int action) noexcept {
+	cb.SetUndoTentative(action);
+}
+
+int Document::UndoTentative() const noexcept {
+	return cb.UndoTentative();
+}
+
+int Document::UndoActionType(int action) const noexcept {
+	return cb.UndoActionType(action);
+}
+
+Sci::Position Document::UndoActionPosition(int action) const noexcept {
+	return cb.UndoActionPosition(action);
+}
+
+std::string_view Document::UndoActionText(int action) const noexcept {
+	return cb.UndoActionText(action);
+}
+
+void Document::PushUndoActionType(int type, Sci::Position position) {
+	cb.PushUndoActionType(type, position);
+}
+
+void Document::ChangeLastUndoActionText(size_t length, const char *text) {
+	cb.ChangeLastUndoActionText(length, text);
+}
+
 int Document::GetMark(Sci::Line line, bool includeChangeHistory) const {
 	int marksHistory = 0;
 	if (includeChangeHistory && (line < LinesTotal())) {