/*

    File:       BigEasyUtils.c

    Contains:   xxx put contents here xxx

    Written by: xxx put writers here xxx

    Copyright:  

    Change History (most recent first):

         <2>    11-10-94    dvb     GetModKeys

*/

/* file: BigEasyUtils.c

  *

  * Started 25 January 1992, more or less.

  *

  * Little Extras that go

  * well with BigEasy.

  *

  */

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

    Inclusions

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

#include "BigEasy2.h"

#include "BigEasyUtils.h"

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

    Dofu

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

void SetMenuItemRange(short loRef,short hiRef,short active,short bulletRef)

/*

 * Set the range of menu-refs passed to either

 * active or inactive (±1) and bullet the

 * one that matches 'bulletref'

 */

    {

    short i;

    for(i = loRef; i<= hiRef; i++)

        SetMenuItem(i,active,SignIt(bulletRef == i),'¥',nil);

    }

#ifdef THINK_C

    long RememberThis(long what,short which)

    /*

     * To store something, pass what, and a negative "which".

     * To retrieve it, pass the positive which.

     */

        {

        asm {

            LEA     @them,A0

            MOVE    which,D0

            ADD     D0,D0

            ADD     D0,D0

            BMI.S   @stash

            ADDA    D0,A0

            MOVE.L  (A0),D0

            BRA.S   @done

    @stash:

            SUBA    D0,A0

            MOVE.L  what,(A0)

            MOVE.L  what,D0

            BRA.S   @done

    @them   DC.L    0,0,0,0,0,0,0,0,0,0,0

    @done:

            }

        }

#endif

void CenterRect(Rect *centerThis,Rect *insideThis)

    {

    OffsetRect(centerThis,

            (insideThis->left + insideThis->right - centerThis->left - centerThis->right)>>1,

            (insideThis->top + insideThis->bottom - centerThis->top - centerThis->bottom)>>1);

    }

short GetModKeys(void)

/*

 * return the modifier keys just like in an eventrecord

 */

    {

    short result;

    KeyMap keys;

    GetKeys(keys);

    result = 0;

    if(keys[1] & 1)

        result |= shiftKey;

    if(keys[1] & 4)

        result |= optionKey;

    if(keys[1] & 8)

        result |= controlKey;

    if(keys[1] & 0x8000)

        result |= cmdKey;

    return result;

    }