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#ifndef _SVT_SANEDLG_HXX
#define _SVT_SANEDLG_HXX

#include <vcl/dialog.hxx>
#include <tools/config.hxx>
#include <vcl/lstbox.hxx>
#include <vcl/button.hxx>
#include <vcl/fixed.hxx>
#include <vcl/group.hxx>
#include <vcl/field.hxx>
#include <vcl/edit.hxx>
#include <svtools/svtreebx.hxx>

#include <sane.hxx>

class SaneDlg : public ModalDialog
{
private:
    enum DragDirection { TopLeft, Top, TopRight, Right, BottomRight, Bottom,
                         BottomLeft, Left };

    Sane&			mrSane;
    Bitmap			maPreviewBitmap;
    Rectangle		maPreviewRect;
    Point			maTopLeft, maBottomRight;
    Point			maMinTopLeft, maMaxBottomRight;
    sal_Bool			mbDragEnable;
    sal_Bool			mbIsDragging;
    int				mnDragMode;
    sal_Bool			mbDragDrawn;
    DragDirection	meDragDirection;

    MapMode			maMapMode;

    Link			maOldLink;
    
    OKButton		maOKButton;
    CancelButton	maCancelButton;
    PushButton		maDeviceInfoButton;
    PushButton		maPreviewButton;
    PushButton		maButtonOption;

    FixedText		maOptionsTxt;
    FixedText		maOptionTitle;
    FixedText		maOptionDescTxt;
    FixedText		maVectorTxt;

    FixedText		maScanLeftTxt;
    MetricField		maLeftField;
    FixedText		maScanTopTxt;
    MetricField		maTopField;
    FixedText		maRightTxt;
    MetricField		maRightField;
    FixedText		maBottomTxt;
    MetricField		maBottomField;

    FixedText		maDeviceBoxTxt;
    ListBox			maDeviceBox;
    FixedText		maReslTxt;
    NumericBox		maReslBox;
    FixedText		maAdvancedTxt;
    CheckBox		maAdvancedBox;

    NumericField	maVectorBox;
    ListBox			maQuantumRangeBox;
    ListBox			maStringRangeBox;

    FixedLine		maPreviewBox;
    FixedLine		maAreaBox;

    CheckBox		maBoolCheckBox;

    Edit			maStringEdit;
    Edit			maNumericEdit;

    SvTreeListBox	maOptionBox;

    int				mnCurrentOption;
    int				mnCurrentElement;
    double*			mpRange;
    double			mfMin, mfMax;

    DECL_LINK( ClickBtnHdl, Button* );
    DECL_LINK( SelectHdl, ListBox* );
    DECL_LINK( ModifyHdl, Edit* );
    DECL_LINK( ReloadSaneOptionsHdl, Sane* );
    DECL_LINK( OptionsBoxSelectHdl, SvTreeListBox* );

    void SaveState();
    sal_Bool LoadState();

    void InitDevices();
    void InitFields();
    void AcquirePreview();
    void DisableOption();
    void EstablishBoolOption();
    void EstablishStringOption();
    void EstablishStringRange();
    void EstablishQuantumRange();
    void EstablishNumericOption();
    void EstablishButtonOption();

    void DrawRectangles( Point&, Point& );
    void DrawDrag();
    Point GetPixelPos( const Point& );
    Point GetLogicPos( const Point& );
    void UpdateScanArea( sal_Bool );

    // helper
    sal_Bool SetAdjustedNumericalValue( const char* pOption, double fValue, int nElement = 0 );
    
    virtual void Paint( const Rectangle& );
    virtual void MouseMove( const MouseEvent& rMEvt );
    virtual void MouseButtonDown( const MouseEvent& rMEvt );
    virtual void MouseButtonUp( const MouseEvent& rMEvt );
public:
    SaneDlg( Window*, Sane& );
    ~SaneDlg();

    virtual short Execute();
};


#endif

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