optsview.h

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// $Id: optsview.h 1282 2006-06-09 09:46:49Z alex $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
       Copyright on certain contributions may be held in joint with their
              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

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Franklin St, Fifth Floor, Boston, MA  02110-1301 USA


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=================================XARAHEADEREND============================
 */
// Header for the handling code for the View tab of the options dialog box 

//WEBSTER-ranbirr-13/11/96
#ifndef WEBSTER

#ifndef INC_OPTSVIEW
#define INC_OPTSVIEW

//#include "unittype.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "dialogop.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "units.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "appprefs.h"

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

>   class ViewTab: public OptionsTabs

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    07/12/94
    Purpose:    Allows the user to set any options which are normally associated
                with the applications View. This includes such things as:-
                    Colour bar display mode
                    Showing percentage hourglasses and/or progress bars

    SeeAlso:    OptionsTabs; AppPrefsDlg; DocPrefsDlg;

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

class ViewTab: public OptionsTabs
{         
    CC_DECLARE_DYNCREATE( ViewTab )  
public:

    ViewTab();
    ~ViewTab();

    virtual BOOL Init();                        

    // Function to handle the messages for this tab/pane window
    virtual BOOL HandleMsg(DialogMsg* Msg);

    // Function to set up the values on this tab when being opened
    virtual BOOL InitSection();

    // Function to commit the values on this tab on ok
    virtual BOOL CommitSection();
    BOOL CommitBitmapSmoothingFlag( BOOL bNewSetting );


    // Functions to handle document changing messages
    virtual BOOL GreySection();         // Called when the user has closed all documents
    virtual BOOL UngreySection();       // Called when the user has opened a document
    BOOL ChangeControlStatus(const BOOL Status); // used to grey/ungrey all controls
    virtual BOOL UpdateSection(String_256 *DocumentName);   // Called when the user has switched to a new document

//  removed 27/8/96 - transparency control DEAD 
//  Special function for the view tab to get it to update the transparency switch
//  BOOL UpdateTransparencyState(const BOOL NewState);

    virtual CDlgResID GetPageID();      // Return section/page id system

    virtual BOOL IsDocumentOption();    // Return True if document option  

    virtual BOOL IsProgramOption();     // Return True if program option

protected:
    // Lots of controlling and handling functions specific to this section
    BOOL GetDisplayStyleForView();      // read attributes associated with current view

    // Function to decode the selected item in automatic colour model list
    BOOL DecodeModelListItem(BOOL *AutoColourModel, ColourModel *DisplayModel);
    // Set up the automatic colour model list, passingin the required display model
    // and returning the index into the display list 
    BOOL InitAutoColourModelList(ColourModel DisplayModel, INT32 *SelectedIndex);

    // Function to get the 'Screen dither' radio button settings
    INT32 GetSelectedDither(void);

    // Function to set the 'Screen dither' radio buttons
    BOOL SetSelectedDither(INT32 DitherStyle);

private:
    BOOL GreyStatus;            // Remember the state that we are currently in

    // Variables to store the old control states.
    BOOL OldShowTransparency;   
    BOOL OldBackgroundRedraw; 
    BOOL OldPropScroll;
    BOOL OldViewDither;
}; 

#endif // INC_OPTSVIEW

#endif //webster

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