/*

    File:       IconMenus.c

    Contains:   

    Written by:     

    Copyright:  Copyright © 1984-1999 by Apple Computer, Inc., All Rights Reserved.

                You may incorporate this Apple sample source code into your program(s) without

                restriction. This Apple sample source code has been provided "AS IS" and the

                responsibility for its operation is yours. You are not permitted to redistribute

                this Apple sample source code as "Apple sample source code" after having made

                changes. If you're going to re-distribute the source, we require that you make

                it clear in the source that the code was descended from Apple sample source

                code, but that you've made changes.

    Change History (most recent first):

                7/9/1999    Karl Groethe    Updated for Metrowerks Codewarror Pro 2.1

*/

#include "IconMenus.h"

#include <MacTypes.h>

#include <Menus.h>

#include <QDOffscreen.h>

#include <Windows.h>

#include <ToolUtils.h>

#include <Devices.h>

#include <Sound.h>

WindowPtr bullseyeWindow;

GWorldPtr   GgwPtr;

static void enable(MenuHandle menu, short item, Boolean ok);

void SetUpMenus();

void AdjustMenus();

void HandleMenu (long mSelect);

MenuHandle  appleMenu, fileMenu, editMenu;

enum    {

    appleID = 1,

    fileID,

    editID,

    widthID

    };

enum    {

    openItem = 1,

    closeItem,

    quitItem = 4

    };

/****

 * SetUpMenus()

 *

 *  Set up the menus. Normally, weÕd use a resource file, but

 *  for this example weÕll supply ÒhardwiredÓ strings.

 *

 ****/

void SetUpMenus()

{

    InsertMenu(appleMenu = NewMenu(appleID, "\p\024"), 0);

    InsertMenu(fileMenu = NewMenu(fileID, "\pFile"), 0);

    InsertMenu(editMenu = NewMenu(editID, "\pEdit"), 0);

    DrawMenuBar();

    AppendResMenu(appleMenu, 'DRVR');

    AppendMenu(fileMenu, "\pOpen/O;Close/W;(-;Quit/Q");

    AppendMenu(editMenu, "\pUndo/Z;(-;Cut/X;Copy/C;Paste/V;Clear");

}

/* end SetUpMenus */

/****

 *  AdjustMenus()

 *

 *  Enable or disable the items in the Edit menu if a DA window

 *  comes up or goes away. Our application doesn't do anything with

 *  the Edit menu.

 *

 ****/

void AdjustMenus()

{

    register WindowPeek wp = (WindowPeek) FrontWindow();

    short kind = wp ? wp->windowKind : 0;

    Boolean DA = kind < 0;

    enable(editMenu, 1, DA);

    enable(editMenu, 3, DA);

    enable(editMenu, 4, DA);

    enable(editMenu, 5, DA);

    enable(editMenu, 6, DA);

    enable(fileMenu, openItem, !((WindowPeek) bullseyeWindow)->visible);

    enable(fileMenu, closeItem, DA || ((WindowPeek) bullseyeWindow)->visible);

}

static void enable(MenuHandle menu, short item, Boolean ok)

{

    if (ok)

        EnableItem(menu, item);

    else

        DisableItem(menu, item);

}

/*****

 * HandleMenu(mSelect)

 *

 *  Handle the menu selection. mSelect is what MenuSelect() and

 *  MenuKey() return: the high word is the menu ID, the low word

 *  is the menu item

 *

 *****/

void HandleMenu (long mSelect)

{

    int         menuID = HiWord(mSelect);

    int         menuItem = LoWord(mSelect);

    Str255      name;

    GrafPtr     savePort;

    WindowPeek  frontWindow;

    switch (menuID)

      {

      case  appleID:

        GetPort(&savePort);

        GetMenuItemText(appleMenu, menuItem, name);

        OpenDeskAcc(name);

        SetPort(savePort);

        break;

      case  fileID:

        switch (menuItem)

          {

          case  openItem:

            ShowWindow(bullseyeWindow);

            SelectWindow(bullseyeWindow);

            break;

          case  closeItem:

            if ((frontWindow = (WindowPeek) FrontWindow()) == 0L)

              break;

            if (frontWindow->windowKind < 0)

              CloseDeskAcc(frontWindow->windowKind);

            else if (frontWindow = (WindowPeek) bullseyeWindow)

              HideWindow(bullseyeWindow);

                    break;

          case  quitItem:

            DisposeGWorld(GgwPtr);

            ExitToShell();

            break;

          }

        break;

      case  editID:

        if (!SystemEdit(menuItem-1))

          SysBeep(5);

        break;

      }

}

/* end HandleMenu */