mousecursor.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        K. Tingdahl
 Date:          March 2008
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#include "generalmod.h"
#include "bufstring.h"
#include "ptrman.h"
 
namespace OD { class RGBImage; }
 
mExpClass(General) MouseCursor
{
public:
    virtual             ~MouseCursor();
    enum Shape          { Arrow, UpArrow, Cross, Wait, Ibeam,
                          SizeVer, SizeHor, SizeBDiag, SizeFDiag, SizeAll,
                          Blank, SplitV, SplitH, PointingHand, Forbidden,
                          WhatsThis, Busy, OpenHand, ClosedHand,
                          Last = ClosedHand, Bitmap = 24, NotSet,
                          //Custom cursors
                          GreenArrow, Rotator, Pencil
                        };
 
                        MouseCursor();
                        MouseCursor(Shape s);
                        MouseCursor(const char* fnm);
 
    bool                operator==(const MouseCursor&) const;
    bool                operator!=(const MouseCursor&) const;
 
    Shape               shape_;
 
    BufferString        filename_;
    OD::RGBImage*       image_;
 
    int                 hotx_;
    int                 hoty_;
};
 
 
mExpClass(General) MouseCursorManager
{
public:
 
    virtual     ~MouseCursorManager()                                   {}
 
    static void setOverride(MouseCursor::Shape,bool replace=false);
    static void setOverride(const MouseCursor&,bool replace=false);
    static void setOverride(const char* filenm,int hotx=-1, int hoty=-1,
                            bool replace=false);
    static void restoreOverride();
 
 
    static MouseCursorManager*          mgr();
    static void                         setMgr(MouseCursorManager*);
 
protected:
    virtual void setOverrideShape(MouseCursor::Shape,bool replace)      = 0;
    virtual void setOverrideCursor(const MouseCursor&,bool replace)     = 0;
    virtual void setOverrideFile(const char* filenm,
                                 int hotx,int hoty, bool replace)       = 0;
    virtual void restoreInternal()                                      = 0;
 
 
    static MouseCursorManager*          mgr_;
};
 
 
mExpClass(General) MouseCursorChanger
{
public:
                MouseCursorChanger(const char* fnm, int hotx, int hoty);
                MouseCursorChanger(MouseCursor::Shape cs);
                ~MouseCursorChanger();
 
    void        restore();
 
protected:
    bool        active_;
};