/*

    File:       UDialogUtils.cp

    Contains:   Dialog item utilities

    Version:    Mac OS X

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                Software may be incorporated.

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                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

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                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

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    Copyright © 1997-2001 Apple Computer, Inc., All Rights Reserved

*/

#include "AppearanceSamplePrefix.h"

#include "UDialogUtils.h"

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € GetItemHandle

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  Returns the handle to the specified dialog item.

//

Handle

UDialogUtils::GetItemHandle( DialogPtr theDialog, SInt16 item )

{

    SInt16      itemType;

    Handle      itemHand;

    Rect        itemRect;

    ::GetDialogItem( theDialog, item, &itemType, &itemHand, &itemRect );

    return itemHand;

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € SetItemHandle

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  Sets the handle of the specified dialog item to the handle given.

//

void

UDialogUtils::SetItemHandle( DialogPtr theDialog, SInt16 item, Handle handle )

{

    SInt16      itemType;

    Handle      itemHand;

    Rect        itemRect;

    ::GetDialogItem( theDialog, item, &itemType, &itemHand, &itemRect );

    ::SetDialogItem( theDialog, item, itemType, handle, &itemRect );

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € GetItemRect

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  Gets the bounding rectangle of the specified dialog item.

//

void

UDialogUtils::GetItemRect( DialogPtr theDialog, SInt16 item, Rect& rect )

{

    SInt16      itemType;

    Handle      itemHand;

    ::GetDialogItem( theDialog, item, &itemType, &itemHand, &rect );

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € SetItemRect

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  Sets the bounding rectangle of the specified dialog item to the given rectangle.

//

void

UDialogUtils::SetItemRect( DialogPtr theDialog, SInt16 item, const Rect& rect )

{

    SInt16      itemType;

    Handle      itemHand;

    Rect        itemRect;

    ::GetDialogItem( theDialog, item, &itemType, &itemHand, &itemRect );

    ::SetDialogItem( theDialog, item, itemType, itemHand, &rect );

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € FlashItem

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  This routine is used to flash a button for the cases when the user presses a key that

//  'clicks' a dialog button. If the item specified is not a button, the routine does nothing.

//

void

UDialogUtils::FlashItem( DialogPtr theDialog, SInt16 item )

{

    ControlHandle   control;

    UInt32          ticks;

    OSErr           err;

    err = ::GetDialogItemAsControl( theDialog, item, &control );

    if ( err == noErr )

    {

        HiliteControl( control, 1 );

        Delay( 8, &ticks );

        HiliteControl( control, 0 );

    }

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € ToggleCheckBox

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  This routine simply toggles a check box.

//

void

UDialogUtils::ToggleCheckBox( DialogPtr dialog, SInt16 item )

{

    SInt16  newState = 0;

    if ( GetItemValue( dialog, item ) == 0 )

        newState = 1;

    SetItemValue( dialog, item, newState );

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € SetItemValue

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  This routine sets the value of the given item to the value passed in.

//

void

UDialogUtils::SetItemValue( DialogPtr dialog, SInt16 item, SInt16 value )

{

    ControlHandle   control;

    OSErr           err;

    err = ::GetDialogItemAsControl( dialog, item, &control );

    if ( err ) return;

    ::SetControlValue( control, value );

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € GetItemValue

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  This routine gets the value of the given item and returns it.

//

SInt16

UDialogUtils::GetItemValue( DialogPtr dialog, SInt16 item )

{

    ControlHandle   control;

    OSErr           err;

    err = ::GetDialogItemAsControl( dialog, item, &control );

    if ( err ) return 0;

    return ::GetControlValue( control );

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € SetItemText

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  This routine sets the text of the given item to the value passed in.

//

void

UDialogUtils::SetItemText( DialogPtr dialog, SInt16 item, StringPtr text )

{

    SInt16      itemType;

    Handle      itemHand;

    Rect        itemRect;

    ControlHandle   root;

    if ( GetRootControl( GetDialogWindow( dialog ), &root ) == noErr )

        ::GetDialogItemAsControl( dialog, item, (ControlHandle*)&itemHand );

    else

        ::GetDialogItem( dialog, item, &itemType, &itemHand, &itemRect );

    ::SetDialogItemText( itemHand, text );

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € GetItemText

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  This routine gets the text of the given item and returns it.

//

void

UDialogUtils::GetItemText( DialogPtr dialog, SInt16 item, StringPtr text )

{

    SInt16      itemType;

    Handle      itemHand;

    Rect        itemRect;

    ::GetDialogItem( dialog, item, &itemType, &itemHand, &itemRect );

    ::GetDialogItemText( itemHand, text );

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € EnableDialogItem

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  This routine enables or disables a specified item. enableIt is true for enabling, false

//  to disable.

//

void

UDialogUtils:: EnableDialogItem( DialogPtr dialog, SInt16 item, Boolean enableIt )

{

    ControlHandle       control;

    OSErr               err;

    err = ::GetDialogItemAsControl( dialog, item, &control );

    if ( err ) return;

    if ( enableIt )

        ::ActivateControl( control );

    else

    {

        ::DeactivateControl( control );

    }

}

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  € SetFontStyle

//‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹

//  This routine sets the font style of a dialog item.

//

void

UDialogUtils::SetFontStyle( DialogPtr dialog, SInt16 item, ControlFontStyleRec& style )

{

    ControlHandle   control;

    OSErr           err;

    err = ::GetDialogItemAsControl( dialog, item, &control );

    if ( err == noErr )

        ::SetControlFontStyle( control, &style );

}