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19 #ifndef INCLUDED_SVX_SDRUNDOMANAGER_HXX
20 #define INCLUDED_SVX_SDRUNDOMANAGER_HXX
21 
22 #include <svx/svxdllapi.h>
23 #include <editeng/editund2.hxx>
24 #include <tools/link.hxx>
25 
26 class SfxObjectShell;
27 
28 class SVX_DLLPUBLIC SdrUndoManager : public EditUndoManager
29 {
30 private:
31     using EditUndoManager::Undo;
32     using EditUndoManager::Redo;
33 
34     Link<SdrUndoManager*,void>  maEndTextEditHdl;
35     SfxUndoAction*  mpLastUndoActionBeforeTextEdit;
36     bool            mbEndTextEditTriggeredFromUndo;
37 
38     SfxObjectShell* m_pDocSh;
39 protected:
40     // call to check for TextEdit active
41     bool isTextEditActive() const;
42     virtual void EmptyActionsChanged() override;
43 
44 public:
45     SdrUndoManager();
46     virtual ~SdrUndoManager() override;
47 
48     /// react depending on edit mode and if no more undo is possible
49     virtual bool Undo() override;
50     virtual bool Redo() override;
51 
52     // #i123350#
53     virtual void Clear() override;
54 
55     // Call for the view which starts the interactive text edit. Use link to
56     // activate (start text edit) and empty link to reset (end text edit). On
57     // reset all text edit actions will be removed from this undo manager to
58     // restore the state before activation
59     void SetEndTextEditHdl(const Link<SdrUndoManager*,void>& rLink);
60 
61     // check from outside if we are inside a callback for ending text edit. This
62     // is needed to detect inside end text edit if it is a regular one or triggered
63     // by a last undo during text edit
isEndTextEditTriggeredFromUndo() const64     bool isEndTextEditTriggeredFromUndo() const { return mbEndTextEditTriggeredFromUndo; }
65     void SetDocShell(SfxObjectShell* pDocShell);
66 };
67 
68 #endif // INCLUDED_SVX_SDRUNDOMANAGER_HXX
69 
70 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
71