From 6bcd27b957a5ffcfe7665b0979679510e3b2ae3d Mon Sep 17 00:00:00 2001 From: Mitch Curtis Date: Tue, 10 May 2016 14:35:20 +0200 Subject: Document how to save an application using QUndoStack MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: Ic61374d5b6ce395dfe8d0b30813ea437b5e16e9d Task-number: QTBUG-52497 Reviewed-by: Topi Reiniö --- src/widgets/util/qundostack.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/widgets') diff --git a/src/widgets/util/qundostack.cpp b/src/widgets/util/qundostack.cpp index 5bcfa57b37..bd41fb60c1 100644 --- a/src/widgets/util/qundostack.cpp +++ b/src/widgets/util/qundostack.cpp @@ -623,6 +623,8 @@ void QUndoStack::push(QUndoCommand *cmd) Marks the stack as clean and emits cleanChanged() if the stack was not already clean. + This is typically called when a document is saved, for example. + Whenever the stack returns to this state through the use of undo/redo commands, it emits the signal cleanChanged(). This signal is also emitted when the stack leaves the clean state. -- cgit v1.2.3