diff options
Diffstat (limited to 'include/svl/undo.hxx')
| -rw-r--r-- | include/svl/undo.hxx | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/svl/undo.hxx b/include/svl/undo.hxx index 7791d4a4b333..b0ee7e21f657 100644 --- a/include/svl/undo.hxx +++ b/include/svl/undo.hxx @@ -293,6 +293,7 @@ namespace svl /// adds a new listener to be notified about changes in the UndoManager's state virtual void AddUndoListener( SfxUndoListener& i_listener ) = 0; virtual void RemoveUndoListener( SfxUndoListener& i_listener ) = 0; + virtual bool IsEmptyActions() const = 0; }; } @@ -343,6 +344,8 @@ public: virtual bool IsUndoEnabled() const override; virtual void AddUndoListener( SfxUndoListener& i_listener ) override; virtual void RemoveUndoListener( SfxUndoListener& i_listener ) override; + virtual bool IsEmptyActions() const override; + /** marks the current top-level element of the Undo stack, and returns a unique ID for it */ @@ -379,6 +382,7 @@ protected: undo actions on the then-current level are removed, too. This is continued until the top level is reached. */ void ClearAllLevels(); + virtual void EmptyActionsChanged(); private: size_t ImplLeaveListAction( const bool i_merge, ::svl::undo::impl::UndoManagerGuard& i_guard ); @@ -391,8 +395,10 @@ private: bool ImplIsInListAction_Lock() const; void ImplEnableUndo_Lock( bool const i_enable ); - bool ImplUndo( SfxUndoContext* i_contextOrNull ); - bool ImplRedo( SfxUndoContext* i_contextOrNull ); + bool ImplUndo( SfxUndoContext* i_contextOrNull ); + bool ImplRedo( SfxUndoContext* i_contextOrNull ); + void ImplCheckEmptyActions(); + inline bool ImplIsEmptyActions() const; friend class ::svl::undo::impl::LockGuard; }; |