dragcol.h

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// $Id: dragcol.h 1282 2006-06-09 09:46:49Z alex $
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 */
// DragCol.h - Colour DragInformation base class


#ifndef INC_DRAGCOL
#define INC_DRAGCOL

//#include "doccolor.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "draginfo.h"
//#include "dragtrgt.h" - in camtypes.h [AUTOMATICALLY REMOVED]

class IndexedColour;



/********************************************************************************************

>   class ColourDragInformation : public DragInformation

    Author:     Chris_Snook (Xara Group Ltd) <camelotdev@xara.com> (upgraded by Jason)
    Created:    05/05/94 (8/8/96)

    Purpose:    Contains all information about a colour being dragged.

********************************************************************************************/

class ColourDragInformation : public DragInformation
{   
CC_DECLARE_DYNCREATE(ColourDragInformation)

protected:
    void InitObject(void);
        // Shared construction code

public:
    ColourDragInformation();
        // Default constructor - DO NOT USE

    ColourDragInformation(IndexedColour *Colour, BOOL IsAdjust, Document* pParent);
        // Document colour

    ColourDragInformation(DocColour *Colour, BOOL IsAdjust, StringBase *pColourName, BOOL IsSpot);
        // Library colour

    static BOOL Init();
        // static class initialisation


public:     // Specialised interface
    BOOL IsLibraryColour(void);
            // Determine if the dragged colour is a "library" or "document" colour

    Document *GetParentDoc(void);
            // Retrieve the document colour and/or its parent document

    IndexedColour *GetColourForDocument(Document *pDestDoc = NULL);
            // Copy the dragged colour into the given document and return it ready for use
            // NULL means "copy it into the Selected doc"

    void ApplyColourToSelection(void);
            // Applies the dragged colour to the selection (in the Selected Doc)

    IndexedColour *GetInitiallyDraggedColour(void) { return(TheColour.FindParentIndexedColour()); }
            // Get the colour initially dragged - WARNING: use GetColourForDocument unless you have good reason
            // Library colours and "no colour" will return NULL


public:     // Overridden interfaces
    virtual UINT32 GetCursorID(DragTarget* pDragTarget);
    virtual BOOL GetStatusLineText(String_256 *TheText, DragTarget* pDragTarget);

    virtual UINT32 GetCursorID(void);
    virtual BOOL GetStatusLineText(String_256 *TheText);

    virtual void OnClick(INT32 Flags, CNativePoint Point);
    
    virtual BOOL OnDrawSolidDrag(wxPoint Origin, wxDC *TheDC);
    
    virtual INT32 GetDragTransparency();


public:     // Drop on page support
    virtual BOOL CanDropOnPage()        { return TRUE; }

    virtual BOOL OnPageDrop(ViewDragTarget* pDragTarget);


protected:
    static INT32        DragTransparency;

    DocColour       TheColour;                      // Holds the colour definition (or references the document col)

    Document        *pParentDoc;                    // NULL or the parent document      }   Mutually exclusive
    String_64       ColourName;                     // NULL or the library colour name  }

    BOOL            LibColIsSpot;                   // TRUE if this library colour is a spot colour
                                                    // Undefined for non-library colours
};

#endif

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