/*  window.c                                                                            

    Michael Bishop - August 21 1996                                                 

    Nick Thompson

    (c)1994-96 Apple computer Inc., All Rights Reserved                             

*/

#include    <Devices.h>

#include    "PickOne_window.h"

#include    "PickOne_document.h"

/* -------------------------------------------------------------------------------------------

** Window_New

** Kind of a dummy function at the moment.

*/

WindowPtr Window_New(void)

{

    WindowPtr   tempWindow = GetNewCWindow( kWindowResID, NULL, (WindowPtr)-1L );

    return tempWindow ;

}

/* -------------------------------------------------------------------------------------------

** Window_Dispose

** Call this function when we are done with a window, deallocate any storage allocated for this,

** this gets called when we close a document.

*/

void Window_Dispose(WindowPtr theWindow)

{

    if( theWindow != NULL )

    {

        DisposeWindow ( theWindow ) ;

    }

}

/* -------------------------------------------------------------------------------------------

** Window_Update

** 

*/

void Window_Update( WindowPtr theWindow )

{

    CGrafPtr            savedPort ;

    if( theWindow != NULL ) 

    {

        DocumentHdl     myDocumentHandle = Window_GetDocument(theWindow);

        Rect            updateRect = (**(theWindow->visRgn)).rgnBBox;

        if( myDocumentHandle != NULL )

        {

            GetPort((GrafPtr *) &savedPort );

            SetPort( theWindow ) ;

            BeginUpdate( theWindow );

            HLock( (Handle)myDocumentHandle  ) ;

            Document_Draw(*myDocumentHandle ) ;

            HUnlock( (Handle)myDocumentHandle  ) ;

            EndUpdate( theWindow );

            SetPort( (GrafPtr )savedPort ) ;

        }

    }

}

/* ---------------------------------------------------------------------------------- 

**  Window_Activate

**  is called when an theEvent is received that reports that

**  a theWindow is being either activated or deactivated. 

*/

void Window_Activate(WindowPtr theWindow, short activate)

{

    if (theWindow) {

        if (activate) {

            /*  do whatever else you'd like to do for a activate theEvent */

            /* LoadScrap() ;

            */

        } else {

            /*  do whatever you'd like to do for a deactivate theEvent */

            /*UnloadScrap() ;

            */

        }

    }

}

/* -------------------------------------------------------------------------------------------

** Window_GetDocument

** Gets the document associated with a window

*/

DocumentHdl Window_GetDocument( WindowPtr theWindow)

{

    if (theWindow != NULL)

        return  (DocumentHdl) GetWRefCon ( theWindow );

    else return NULL;

}

/* -------------------------------------------------------------------------------------------

** Window_SetDocument

** Gets the document associated with a window

*/

int Window_SetDocument( WindowPtr theWindow,  DocumentHdl theDocument)

{

    if (theWindow != NULL)

    {

        SetWRefCon (theWindow, (long)theDocument ) ;

        return  true;

    }

    else return false;

}

void Window_DoContent (WindowPtr theWindow, EventRecord *theEvent)

{

#pragma unused  (theEvent)

    CGrafPtr    oldPort;

    DocumentHdl theDocument = Window_GetDocument(theWindow);

    GetPort((GrafPtr *)&oldPort);

    SetPort(theWindow);

    Document_DoPickAndRotate(theDocument);

    SetPort((GrafPtr)oldPort);

}

/* ---------------------------------------------------------------------------------- 

**  Window_GetNextWindow

**  Returns the next in the queue

*/

WindowPtr Window_GetNextWindow(WindowPtr theWindow)

{

    if (theWindow != NULL)

        return (WindowPtr)((WindowPeek)theWindow)->nextWindow;

    else return NULL;

}

/* ---------------------------------------------------------------------------------- 

**  Window_DestroyAll destroys all the windows in the app

**  

*/

void Window_DestroyAll(void)

{

    WindowPtr theWindow;

    theWindow = FrontWindow();                      /*  Start with the active window    */

    while (theWindow != NULL)

    {

        Document_Dispose( Window_GetDocument(theWindow) ) ; /*  delete it   */

        theWindow = Window_GetNextWindow(theWindow);            /*  go down the list    */

    }

}