zoomtool.h

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// $Id: zoomtool.h 1282 2006-06-09 09:46:49Z alex $
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 */
// The Zoom Tool

#ifndef INC_ZOOMTOOL
#define INC_ZOOMTOOL

//#include "tool.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "ccmaths.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "doccoord.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "binds.h" - in camtypes.h [AUTOMATICALLY REMOVED]

class Cursor;
class Spread;
class ZoomInfoBarOp;
class OpZoom;



/********************************************************************************************
>   class ZoomTool : public Tool_v1

    Author:     Rik_Heywood (Xara Group Ltd) <camelotdev@xara.com>
    Created:    1/7/93
    Purpose:    This class is to allow the user to Zoom in and out of the document
                at will.  It provides an interface to the tool system for the zoom
                mouse-drag Operation.
    SeeAlso:    class OpZoom
********************************************************************************************/

class CCAPI ZoomTool : public Tool_v1
{
private:

    // Allow memory dumps.
    CC_DECLARE_MEMDUMP(ZoomTool);

public:

    // Creation & destruction
    ZoomTool();
    virtual ~ZoomTool();
    virtual BOOL Init();

    virtual void Describe(void* InfoPtr);
    virtual UINT32 GetID();
    
    // Event Handlers
    virtual void SelectChange(BOOL fIsSelected);
    virtual BOOL OnKeyPress(KeyPress* pKey);
    virtual void OnMouseMove(DocCoord dcMousePos, Spread* pSpread, ClickModifiers mods);
    virtual void OnClick(DocCoord, ClickType, ClickModifiers, Spread*);
    virtual BOOL GetStatusLineText(String_256* ptext, Spread* pSpread,
                                   DocCoord DocPos, ClickModifiers ClickMods);
    void ValidateStatusText();

    // Used by helper classes.
    static BOOL IsSelectedTool();
    static void InvalidateStatusText();

private:

    BOOL                Inited;             // TRUE when initialisation has been attempted
    Cursor*             pcZoomCursor;       // pointer to this tool's cursor
    Cursor*             pcZoomOutCursor;    // pointer to this tool's zoom out cursor
    Cursor*             MyCurrentCursor;                // so I don't flip cursor too often

#ifdef RALPH

    Cursor*             pcHotLinkCursor;        // Graham 20/9/96: The "pointing hand" cursor
//  Cursor*             MyCurrentCursor;                // so I don't flip cursor too often
    void                ChangeCursor(Cursor* cursor);   // function to change cursor
//  BOOL                OnKeyPress(KeyPress* pKey);

#endif //Ralph

    INT32               CurrentCursorID;    // ID of the current cursor on the stack
    ZoomInfoBarOp*      pZoomInfoBarOp;     // points to our info bar
    String_256*         psStatusText;       // text "mask" for status-bar text  
    BOOL                bStatusTextValid;   // whether status-bar text needs updating

    static TCHAR       *FamilyName;         // The Tools Family Name
    static TCHAR       *ToolName;           // The Tool Name
    static TCHAR       *Purpose;            // What the tool is for
    static TCHAR       *Author;             // Who wrote it
    static BOOL         bIsActive;          // Whether the zoom tool is "selected"
};

#endif   // !INC_ZOOMTOOL

---