vstate.h

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// $Id: vstate.h 1282 2006-06-09 09:46:49Z alex $
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================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
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----------------------------------

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 */

/*
    A ViewState object contains platform-independent data describing a view onto a
    document.

    vstate.h
*/

#ifndef VSTATE_H
#define VSTATE_H

//#include "coord.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "rect.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "wrkcoord.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "wrkrect.h"

class View;

class ViewState
{   
public:

    // Construction & destruction
    ViewState();
    virtual ~ViewState();

#ifdef _DEBUG
    void Dump() const;
#endif

public:

    // Data members (public for easy access)

    View*       pView;                  // The kernel view object this describes

    Rect        ScreenRect;             // screen dimensions of the platform
    Rect        ParentRect;             // position of parent (MDI frame) window    
    Rect        ViewRect;               // position of this CCamView
    
    Coord       IconPoint;              // position when iconised

    WorkRect    WorkAreaExtent;         // the scrollable area

// Removed by Phil, 22/11/94, to try to rationalise the storage of pixel sizes in the system.
//  MILLIPOINT  PixelWidth;             // pixel width in millipoints
//  MILLIPOINT  PixelHeight;            // pixel height in millipoints
//  FIXED16     PixelXScale;            // no. of pixels per millipoint horizontally
//  FIXED16     PixelYScale;            // and vertically.
    FIXED16     ViewScale;              // this view's current scaling factor for zooms
    
    BOOL        IsNewView;              // is this a fresh view?
    BOOL        IsMinimised;            // is view currently iconised?
    BOOL        IsMaximised;            // is view currently maximised?
    BOOL        AlwaysOnTop;            // TRUE if window has "always on top" attribute
    BOOL        RulersVisible;          // TRUE if Rulers are visible
    BOOL        ScrollersVisible;       // TRUE if Scrollers are visible
    INT32           zPos;                   // relative z-order of the view

    // These are temporary storage used by LoadAppWindowState to store the values of the
    // corresponding DocView flags until they can be written to a created DocView.
    // See MakeViewStateFromKey and CCamView::OnInitialUpdate.
    BOOL _GridShow : 1;
    BOOL _GridSnap : 1;
    BOOL _ObjectsSnap : 1;
    BOOL _MagObjectsSnap : 1;
    BOOL _PrintBorderShow : 1;
    BOOL _LogicalView : 1;
    BOOL _GuidesSnap : 1;
    BOOL _GuidesShow : 1;


    // Functions to access the protected scroll offset and ensure it's pixel aligned...
    WorkCoord   SetScrollPos(WorkCoord sp, BOOL fPixelise = TRUE);
    WorkCoord   GetScrollPos(BOOL Pixelise = TRUE);

protected:
    WorkCoord   ScrollPosition;         // offset of scroll bars
    
};


#endif  // VSTATE_H

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