path: root/src/widgets/util/qundostack.cpp
diff options
Diffstat (limited to 'src/widgets/util/qundostack.cpp')
1 files changed, 2 insertions, 0 deletions
diff --git a/src/widgets/util/qundostack.cpp b/src/widgets/util/qundostack.cpp
index 1863ab9145..18f85ca505 100644
--- a/src/widgets/util/qundostack.cpp
+++ b/src/widgets/util/qundostack.cpp
@@ -627,6 +627,8 @@ 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.