/*

    File:       Initialize.c

    Contains:   Initialization code for this application

    Written by: Chris White 

    Copyright:  Copyright © 1995-1999 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):

                8/5/1999    Karl Groethe    Updated for Metrowerks Codewarror Pro 2.1

*/

#include <Dialogs.h>

#include <Fonts.h>

#include <Windows.h>

#include <Menus.h>

#include <TextEdit.h>

#include <Events.h>

//#include <OSEvents.h>

#include <Gestalt.h>

#include <SegLoad.h>

#include <Drag.h>

#include <CodeFragments.h>

#ifndef __FRAGMENTTOOL__

    #include "FragmentTool.h"

#endif

#ifndef __MENUSTUFF__

    #include "MenuStuff.h"

#endif

#ifndef __UTILITIES__

    #include "Utilities.h"

#endif

#ifndef __PROTOTYPES__

    #include "Prototypes.h"

#endif

const int32 kSleepTime = 60L;

void InitToolbox ( void )

{   

    InitGraf ( &qd.thePort );

    InitFonts ( );

    InitWindows ( );

    InitMenus ( );

    TEInit ( );

    InitDialogs ( nil );

    InitCursor ( );

    FlushEvents ( everyEvent, 0 );

    return;

}

void InitApplication ( void )

{

    SetMenuBar ( GetNewMBar ( kMenuBarID ) );

    AppendResMenu( GetMenuHandle( kAppleMenu ), 'DRVR' );

    DrawMenuBar ( );

    if ( !CheckConfiguration ( ) )

    {

        AlertUser ( kNeedSystem7, 0, nil );

        ExitToShell ( );

    }

    gQuit = false;                      // Initialize flag that controls main event loop

    // We need to get null events often enough to blink the caret correctly

    gSleepTime = (GetCaretTime ( ) < kSleepTime) ? GetCaretTime ( ) : kSleepTime;

    InitListClickLoop ( );              // Creates the UPPs (etc) for the ClickLoop

    InitDragHandlers ( );               // Creates the UPPs for the Drag Handlers

    InstallAppleEventHandlers ( );      // Installs the AE handlers for the required AE

    AdjustMenus ( );

    // Create any other RoutineDescriptors we may need

    gOutlineUserItemUPP = NewUserItemProc ( OutlineUserItem );

    return;

}

//

// We'll limit the scope of some of our function to the current source file

// by  declairing them static. Although this has limited advantages as

// far as encapsulation is concerned, it can make the source code a little

// more readable.

//

static Boolean CheckConfiguration ( void )

{

    long        theResult;

    OSErr       theErr;

    Boolean     bHasAppleEvents, bHasFSpTraps, bHasFSpStdFile, bHasCodeFragmentManager;

    // Verify that we can run on the current configuration

    // We require AppleEvent Manager and FSSpec-based file traps and Standard File

    theErr = Gestalt ( gestaltAppleEventsAttr, &theResult );

    bHasAppleEvents = (theErr == noErr && (theResult & (1L << gestaltAppleEventsPresent)));

    theErr = Gestalt ( gestaltFSAttr, &theResult );

    bHasFSpTraps = (theErr == noErr && (theResult & (1L << gestaltHasFSSpecCalls)));

    theErr = Gestalt ( gestaltStandardFileAttr, &theResult );

    bHasFSpStdFile = (theErr == noErr && (theResult & (1L << gestaltStandardFile58)));

    // Ensure CFM or CFM-68K is available

    theErr = Gestalt ( gestaltCFMAttr, &theResult );

    bHasCodeFragmentManager = (theErr == noErr && (theResult & (1L << gestaltCFMPresent)));

    // We would also like the Drag Manager

    theErr = Gestalt ( gestaltDragMgrAttr, &theResult );

    gHasDragManager = (theErr == noErr && (theResult & (1L << gestaltDragMgrPresent)));

    // It isn't enough to use Gestalt because we may not have sucessfully linked

    // to the DragLib shared library. So, we also need to test one of the symbols

    // against kUnresolvedSymbol to make sure we have a valid connection to it.

    // Things like memory limitations to someone having the thing open with

    // write permission could cause it to fail.

#if GENERATINGCFM

    if ( gHasDragManager )

        gHasDragManager = (InstallTrackingHandler != (void*) kUnresolvedCFragSymbolAddress);

#endif

    return (bHasAppleEvents & bHasFSpTraps & bHasFSpStdFile & bHasCodeFragmentManager);

}