wizdlg.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef INCLUDED_VCL_WIZDLG_HXX
#define INCLUDED_VCL_WIZDLG_HXX

#include <memory>
#include <vcl/button.hxx>
#include <vcl/dialog.hxx>
#include <vcl/roadmapwizard.hxx>
#include <vcl/tabpage.hxx>

struct ImplWizPageData
{
    ImplWizPageData*    mpNext;
    VclPtr<TabPage>     mpPage;
};

namespace vcl
{
    struct RoadmapWizardImpl;
    class RoadmapWizard;

    namespace RoadmapWizardTypes
    {
        typedef VclPtr<TabPage> (* RoadmapPageFactory)( RoadmapWizard& );
    };

    //= RoadmapWizard

    class RoadmapWizard : public Dialog
    {
    private:
        Idle                    maWizardLayoutIdle;
        Size                    maPageSize;
        ImplWizPageData*        mpFirstPage;
        ImplWizButtonData*      mpFirstBtn;
        VclPtr<TabPage>         mpCurTabPage;
        VclPtr<PushButton>      mpPrevBtn;
        VclPtr<PushButton>      mpNextBtn;
        VclPtr<vcl::Window>     mpViewWindow;
        sal_uInt16              mnCurLevel;
        WindowAlign             meViewAlign;
        sal_Int16               mnLeftAlignCount;
        bool                    mbEmptyViewMargin;

        DECL_LINK( ImplHandleWizardLayoutTimerHdl, Timer*, void );

        // IMPORTANT:
        // traveling pages should not be done by calling these base class member, some mechanisms of this class
        // here (e.g. committing page data) depend on having full control over page traveling.
        // So use the travelXXX methods if you need to travel

    protected:
        long                LogicalCoordinateToPixel(int iCoordinate);
        void                SetLeftAlignedButtonCount( sal_Int16 _nCount );

        void                CalcAndSetSize();

    public:
        VclPtr<OKButton>       m_pFinish;
        VclPtr<CancelButton>   m_pCancel;
        VclPtr<PushButton>     m_pNextPage;
        VclPtr<PushButton>     m_pPrevPage;
        VclPtr<HelpButton>     m_pHelp;

    private:
        std::unique_ptr<WizardMachineImplData> m_xWizardImpl;
        // hold members in this structure to allow keeping compatible when members are added
        std::unique_ptr<RoadmapWizardImpl> m_xRoadmapImpl;

    public:
        RoadmapWizard(vcl::Window* pParent, WinBits nStyle = WB_STDDIALOG, InitFlag eFlag = InitFlag::Default);
        virtual ~RoadmapWizard( ) override;
        virtual void dispose() override;

        virtual void        Resize() override;
        virtual void        StateChanged( StateChangedType nStateChange ) override;
        virtual bool        EventNotify( NotifyEvent& rNEvt ) override;

        void                ActivatePage();

        virtual void        queue_resize(StateChangedType eReason = StateChangedType::Layout) override;

        bool                ShowPage( sal_uInt16 nLevel );
        bool                Finish( long nResult = 0 );
        sal_uInt16          GetCurLevel() const { return mnCurLevel; }

        void                AddPage( TabPage* pPage );
        void                RemovePage( TabPage* pPage );
        void                SetPage( sal_uInt16 nLevel, TabPage* pPage );
        TabPage*            GetPage( sal_uInt16 nLevel ) const;

        void                AddButton( Button* pButton, long nOffset = 0 );
        void                RemoveButton( Button* pButton );

        void                SetPageSizePixel( const Size& rSize ) { maPageSize = rSize; }
        const Size&         GetPageSizePixel() const { return maPageSize; }

        void                enableButtons(WizardButtonFlags _nWizardButtonFlags, bool _bEnable);

        bool            canAdvance() const;

        void            SetRoadmapHelpId( const OString& _rId );

        void            InsertRoadmapItem(int nIndex, const OUString& rLabel, int nId, bool bEnabled);
        void            DeleteRoadmapItems();
        int             GetCurrentRoadmapItemID() const;
        void            SelectRoadmapItemByID(int nId);
        void            SetItemSelectHdl( const Link<LinkParamNone*,void>& _rHdl );
        void            ShowRoadmap(bool bShow);

    protected:

        VclPtr<TabPage>     createPage(WizardTypes::WizardState nState);

        void                enterState(WizardTypes::WizardState _nState);

        bool                prepareLeaveCurrentState( WizardTypes::CommitPageReason eReason );

        WizardTypes::WizardState determineNextState(WizardTypes::WizardState nCurrentState) const;

        bool                travelNext();

        bool                travelPrevious();

        bool                isAutomaticNextButtonStateEnabled() const;

        void                removePageFromHistory(WizardTypes::WizardState nToRemove);

        bool                    skipUntil(WizardTypes::WizardState nTargetState);

        bool                    skipBackwardUntil(WizardTypes::WizardState nTargetState);

        WizardTypes::WizardState getCurrentState() const { return GetCurLevel(); }

        static IWizardPageController*  getPageController( TabPage* _pCurrentPage );

        OUString  getStateDisplayName(WizardTypes::WizardState nState) const;

    private:
        DECL_LINK( OnRoadmapItemSelected, LinkParamNone*, void );

        void implUpdateRoadmap( );

        void impl_construct();

    public:
        class AccessGuard
        {
            friend class RoadmapWizardTravelSuspension;
        private:
            AccessGuard() { }
        };

        void                   suspendTraveling( AccessGuard );
        void                   resumeTraveling( AccessGuard );
        bool                   isTravelingSuspended() const;

    protected:
        TabPage* GetOrCreatePage(const WizardTypes::WizardState i_nState);

    private:
        void             ImplInitData();
        void             ImplCalcSize( Size& rSize );
        void             ImplPosCtrls();
        void             ImplPosTabPage();
        void             ImplShowTabPage( TabPage* pPage );
        TabPage*         ImplGetPage( sal_uInt16 nLevel ) const;


        DECL_LINK(OnNextPage, Button*, void);
        DECL_LINK(OnPrevPage, Button*, void);
        DECL_LINK(OnFinish, Button*, void);

        void     implUpdateTitle();
        void     implConstruct( const WizardButtonFlags _nButtonFlags );
    };

    class RoadmapWizardTravelSuspension
    {
    public:
        RoadmapWizardTravelSuspension(RoadmapWizard& rWizard)
            : m_pOWizard(&rWizard)
        {
            m_pOWizard->suspendTraveling(RoadmapWizard::AccessGuard());
        }

        ~RoadmapWizardTravelSuspension()
        {
            if (m_pOWizard)
                m_pOWizard->resumeTraveling(RoadmapWizard::AccessGuard());
        }

    private:
        VclPtr<RoadmapWizard> m_pOWizard;
    };

} // namespace vcl

#endif

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