/*

    File:       BaseDialog.cp

    Contains:   Base class for a dialog.

    Version:    Mac OS X

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*/

#include "AppearanceSamplePrefix.h"

#if !BUILDING_FOR_CARBON_8

    #include <Carbon/Carbon.h>

#else

    #include <Carbon.h>

#endif

#include "BaseDialog.h"

const EventTypeSpec kEvents[] =

{

    { kEventClassControl, kEventControlHit }

};

BaseDialog::BaseDialog( SInt16 resID ) : BaseWindow( GetDialogWindow( GetDialog( resID ) ) )

{

    fDialog = GetDialogFromWindow( GetWindowRef() );

    RegisterForEvents( GetEventTypeCount( kEvents ), kEvents );

    InitItems( 1, -1 );

}

BaseDialog::~BaseDialog()

{

    if ( GetWindowRef() )

    {

        DisposeDialog( fDialog );

        PlatformWindowDisposed();

    }

}

DialogRef

BaseDialog::GetDialog( SInt16 resID )

{

    return GetNewDialog( resID, NULL, (WindowPtr)-1L );

}

void

BaseDialog::Update( EventRecord& event )

{

    DialogPtr       dialog;

    SInt16          itemHit;

    SetWindowKind( GetWindowRef(), dialogKind );

    DialogSelect( &event, &dialog, &itemHit );

    SetWindowKind( GetWindowRef(), 2000 );

}

Boolean

BaseDialog::ActivateControls()

{

    DialogPtr       dialog;

    SInt16          itemHit;

    EventRecord     event;

    event.what = activateEvt;

    event.when = TickCount();

    event.message = (UInt32)GetWindowRef();

    event.modifiers = activeFlag;

    GetGlobalMouse( &event.where );

    SetWindowKind( GetWindowRef(), dialogKind );

    DialogSelect( &event, &dialog, &itemHit );

    SetWindowKind( GetWindowRef(), 2000 );

    // prevent standard window handler from calling ActivateControls(root)

    // since DialogSelect has done that already, and we don't need to draw twice

    return true;

}

Boolean

BaseDialog::DeactivateControls()

{

    DialogPtr       dialog;

    SInt16          itemHit;

    EventRecord     event;

    event.what = activateEvt;

    event.when = TickCount();

    event.message = (UInt32)GetWindowRef();

    event.modifiers = 0;

    GetGlobalMouse( &event.where );

    SetWindowKind( GetWindowRef(), dialogKind );

    DialogSelect( &event, &dialog, &itemHit );

    SetWindowKind( GetWindowRef(), 2000 );

    // prevent standard window handler from calling DeactivateControls(root)

    // since DialogSelect has done that already, and we don't need to draw twice

    return true;

}

void

BaseDialog::HandleClick( EventRecord& event )

{

    DialogRef       dialog;

    SInt16          itemHit;

    if ( DialogSelect( &event, &dialog, &itemHit ) )

    {

        HandleItemHit( itemHit );

    }

}

void

BaseDialog::HandleKeyDown( EventRecord& event )

{

    DialogPtr       dialog;

    SInt16          itemHit;

    SetWindowKind( GetWindowRef(), dialogKind );

    DialogSelect( &event, &dialog, &itemHit );

    SetWindowKind( GetWindowRef(), 2000 );

}

void

BaseDialog::HandleItemHit( short /*itemHit*/ )

{

}

void

BaseDialog::InitItems( SInt16 firstItem, SInt16 lastItem )

{

    DialogItemIndex     i;

    if ( lastItem == -1 )

        lastItem = CountDITL( fDialog );

    for ( i = firstItem; i <= lastItem; i++ )

    {

        ControlRef      control, parent;

        ControlID       id;

        ControlKind     kind;

        Boolean         stampIt = true;

        id.signature = 'asmp';

        id.id = i;

        GetDialogItemAsControl( fDialog, i, &control );

        // We can't mark radio buttons that are part of a group as

        // something we want to hear about. If we do this, the radio

        // group doesn't get to see the control get hit, and bad things

        // happen. So to work around this, we look for radio buttons in

        // a radio group and avoid them.

        GetControlKind( control, &kind );

        if ( kind.signature == kControlKindSignatureApple

            && kind.kind == kControlKindRadioButton )

        {

            UInt32      features;

            GetControlFeatures( control, &features );

            if ( (features & kControlAutoToggles) == 0 )

            {

                GetSuperControl( control, &parent );

                GetControlKind( parent, &kind );

                if ( kind.signature == kControlKindSignatureApple

                    && kind.kind == kControlKindRadioGroup )

                {

                    stampIt = false;

                }

            }

        }

        if ( stampIt )

            SetControlID( control, &id );

    }

}

OSStatus

BaseDialog::HandleEvent( EventHandlerCallRef inCallRef, EventRef inEvent )

{

    OSStatus    result = eventNotHandledErr;

    if ( GetEventClass( inEvent ) == kEventClassControl 

        && GetEventKind( inEvent ) == kEventControlHit )

    {

        ControlRef  control;

        ControlID   theID;

        GetEventParameter( inEvent, kEventParamDirectObject, typeControlRef, NULL,

                sizeof( ControlRef ), NULL, &control );

        GetControlID( control, &theID );

        if ( theID.signature == 'asmp' )

        {

            this->HandleItemHit( theID.id );

            result = noErr;

        }

    }

    if ( result == eventNotHandledErr )

        result = TWindow::HandleEvent( inCallRef, inEvent );

    return result;

}