/*

    File:       ZoomWindow.cp

    Version:    Mac OS X

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*/

#include "ZoomWindow.h"

#define topLeft(r)  (((Point *) &(r))[0])

#define botRight(r) (((Point *) &(r))[1])

const Rect      kBounds = { 40, 40, 240, 280 };

const UInt32    kAttributes = kWindowCloseBoxAttribute

                                | kWindowCollapseBoxAttribute

                                | kWindowInWindowMenuAttribute;

#define CalcAttributes( s ) ( (s) == kVertical ) ? (kAttributes | kWindowVerticalZoomAttribute) : \

                            (kAttributes | kWindowHorizontalZoomAttribute)

ConstrainedZoomWindow::ConstrainedZoomWindow( ZoomStyle style ) :

    TWindow( kDocumentWindowClass, CalcAttributes( style ), kBounds )

{

    PicHandle thePicture;

    fStyle = style;

    fSmall = false;

    if ( fStyle == kVertical )

    {

        thePicture = GetPicture( 133 );

        // Need to detach it so multiple zoom windows open at once will work..

        // otherwise we'd release the picture on close while another window was still using it.

        DetachResource( (Handle) thePicture );

        SetWindowPic( GetWindowRef(), thePicture );

        SetTitle( CFSTR( "Vertical Zoom" ) );

    }

    else

    {

        thePicture = GetPicture( 134 );

        // Need to detach it so multiple zoom windows open at once will work..

        // otherwise we'd release the picture on close while another window was still using it.

        DetachResource( (Handle) thePicture );

        SetWindowPic( GetWindowRef(), thePicture );

        SetTitle( CFSTR( "Horizontal Zoom" ) );

    }

    RepositionWindow( GetWindowRef(), NULL, kWindowCascadeOnMainScreen );

    ShowWindow( GetWindowRef() );

}

ConstrainedZoomWindow::~ConstrainedZoomWindow()

{

    PicHandle thePicture = GetWindowPic( GetWindowRef() );

    //If your application uses a picture stored as a resource, you must release the memory it occupies by calling the 

    //Resource ManagerÕs ReleaseResource function and set the WindowPic field to null before you close the window.

    if (thePicture)

        ReleaseResource( (Handle) thePicture );

    SetWindowPic( GetWindowRef(), nil );    

}

Point

ConstrainedZoomWindow::GetIdealSize()

{

    Rect        bounds;

    Point       size;

    ::SetPort( GetPort() );

    ::GetPortBounds( GetPort(), &bounds );

    size.h = bounds.right - bounds.left;

    size.v = bounds.bottom - bounds.top;

    if ( fStyle == kHorizontal )

    {

        if ( size.h < (kBounds.right - kBounds.left) )

            size.h = kBounds.right - kBounds.left;

        else

            size.h = 120;

    }

    else

    {

        if ( size.v < (kBounds.bottom - kBounds.top) )

            size.v = kBounds.bottom - kBounds.top;

        else

            size.v = 120;

    }

    return size;

}