salobj.hxx

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#ifndef INCLUDED_VCL_INC_SALOBJ_HXX
#define INCLUDED_VCL_INC_SALOBJ_HXX

#include <vcl/dllapi.h>
#include <vcl/syschild.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include "salwtype.hxx"

struct SystemEnvData;

typedef void (*SALOBJECTPROC)(SystemChildWindow* pInst, SalObjEvent nEvent);

class VCL_PLUGIN_PUBLIC SalObject
{
    VclPtr<SystemChildWindow> m_pInst;
    SALOBJECTPROC       m_pCallback;
    bool                m_bMouseTransparent:1,
                        m_bEraseBackground:1;
public:
            SalObject() : m_pInst( nullptr ), m_pCallback( nullptr ), m_bMouseTransparent( false ), m_bEraseBackground( true ) {}
            virtual ~SalObject();

    virtual void                    ResetClipRegion() = 0;
    virtual void                    BeginSetClipRegion( sal_uInt32 nRects ) = 0;
    virtual void                    UnionClipRegion( long nX, long nY, long nWidth, long nHeight ) = 0;
    virtual void                    EndSetClipRegion() = 0;

    virtual void                    SetPosSize( long nX, long nY, long nWidth, long nHeight ) = 0;
    virtual void                    Show( bool bVisible ) = 0;
    virtual void                    Enable( bool /* nEnable */ ) {} // overridden by WinSalObject
    virtual void                    GrabFocus() {}
    virtual void                    Reparent(SalFrame* /*pFrame*/) {}

    virtual void                    SetForwardKey( bool /* bEnable */ ) {}

    virtual void                    SetLeaveEnterBackgrounds(const css::uno::Sequence<css::uno::Any>& /*rLeaveArgs*/, const css::uno::Sequence<css::uno::Any>& /*rEnterArgs*/) {}

    virtual const SystemEnvData*    GetSystemData() const = 0;

    virtual Size GetOptimalSize() const { return Size(); }

    void                            SetCallback( SystemChildWindow* pInst, SALOBJECTPROC pProc )
                                        { m_pInst = pInst; m_pCallback = pProc; }
    void                            CallCallback( SalObjEvent nEvent )
                                        { if (m_pCallback) m_pCallback( m_pInst, nEvent ); }

    void                            SetMouseTransparent( bool bMouseTransparent )
                                        { m_bMouseTransparent = bMouseTransparent; }
    bool                            IsMouseTransparent() const
                                        { return m_bMouseTransparent; }

    void                            EnableEraseBackground( bool bEnable )
                                        { m_bEraseBackground = bEnable; }
    bool                            IsEraseBackgroundEnabled() const
                                        { return m_bEraseBackground; }
};

#endif // INCLUDED_VCL_INC_SALOBJ_HXX

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