sdrundomanager.hxx

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#ifndef INCLUDED_SVX_SDRUNDOMANAGER_HXX
#define INCLUDED_SVX_SDRUNDOMANAGER_HXX

#include <svx/svxdllapi.h>
#include <editeng/editund2.hxx>
#include <tools/link.hxx>

class SfxObjectShell;

class SVXCORE_DLLPUBLIC SdrUndoManager : public EditUndoManager
{
private:
    using EditUndoManager::Undo;
    using EditUndoManager::Redo;

    Link<SdrUndoManager*, void> maEndTextEditHdl;
    SfxUndoAction* mpLastUndoActionBeforeTextEdit;
    size_t mnRedoActionCountBeforeTextEdit;
    bool mbEndTextEditTriggeredFromUndo;

    SfxObjectShell* m_pDocSh;

protected:
    // call to check for TextEdit active
    bool isTextEditActive() const;
    virtual void EmptyActionsChanged() override;

public:
    SdrUndoManager();
    virtual ~SdrUndoManager() override;

    virtual bool Undo() override;
    virtual bool Redo() override;

    // #i123350#
    virtual void Clear() override;

    // Call for the view which starts the interactive text edit. Use link to
    // activate (start text edit) and empty link to reset (end text edit). On
    // reset all text edit actions will be removed from this undo manager to
    // restore the state before activation
    void SetEndTextEditHdl(const Link<SdrUndoManager*, void>& rLink);

    // check from outside if we are inside a callback for ending text edit. This
    // is needed to detect inside end text edit if it is a regular one or triggered
    // by a last undo during text edit
    bool isEndTextEditTriggeredFromUndo() const { return mbEndTextEditTriggeredFromUndo; }
    void SetDocShell(SfxObjectShell* pDocShell);
    size_t GetRedoActionCountBeforeTextEdit() const { return mnRedoActionCountBeforeTextEdit; }
};

#endif // INCLUDED_SVX_SDRUNDOMANAGER_HXX

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