/*

    File:       CCounterApp.cp

    Contains:   Sample code to accompany Chapter 12 of 

                "An Introduction to Macintosh Programming for Windows Programmers".

    Written by: Worldwide Developer Technical Support

    Copyright:  1999 Apple Computer, Inc., All Rights Reserved

    You may incorporate this sample code into your applications without

    restriction, though the sample code has been provided "AS IS" and the

    responsibility for its operation is 100% yours.  However, what you are

    not permitted to do is to redistribute the source as "DSC Sample 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 Code, but that you've made changes.

*/

#include "CCounterApp.h"

#include "CounterConstants.h"

#include <LStaticText.h>

#include <LGrowZone.h>

#include <LWindow.h>

#include <PP_Messages.h>

#include <PP_Resources.h>

#include <PPobClasses.h>

#include <UDrawingState.h>

#include <UMemoryMgr.h>

#include <URegistrar.h>

#include <UControlRegistry.h>

#include <UGraphicUtils.h>

#include <UEnvironment.h>

#ifndef __APPEARANCE__

#include <Appearance.h>

#endif

#include <Sound.h>

#include <ToolUtils.h>

// ===========================================================================

int main()

{

    SetDebugThrow_(debugAction_Alert);

    SetDebugSignal_(debugAction_Alert);

    InitializeHeap(3);                  // allocate 3 Master Pointer blocks

    UQDGlobals::InitializeToolbox(&qd);

    UEnvironment::InitEnvironment();

    new LGrowZone(20000);           // For low memory situations.

    CCounterApp theApp;         // stack allocation

    theApp.Run();

    return 0;

}

// ---------------------------------------------------------------------------

CCounterApp::CCounterApp()

{

    if ( UEnvironment::HasFeature( env_HasAppearance ) ) {

        ::RegisterAppearanceClient();

    }

    RegisterAllPPClasses(); // functions to create core PowerPlant classes

    UControlRegistry::RegisterClasses();    // Appearance Manager/GA classes

}

// ---------------------------------------------------------------------------

CCounterApp::~CCounterApp()

{

}

// ---------------------------------------------------------------------------

//  This function lets you do something when the application starts up

//  without a document.

void

CCounterApp::StartUp()

{

    LWindow* theWindow;

    theWindow = MakeControlsWindow();   

    ThrowIfNil_(theWindow );

}

// ---------------------------------------------------------------------------

//  Respond to commands from menus, buttons, etc.

Boolean

CCounterApp::ObeyCommand(CommandT   inCommand, void* ioParam)

{

    Boolean cmdHandled = true;

    switch (inCommand) {

        case cmd_Increment:

//          ::SysBeep(1);

            fCounter.Increment();

            fCaption->SetValue(fCounter.GetValue());

            break;

        case cmd_Decrement:

            fCounter.Decrement();

            fCaption->SetValue(fCounter.GetValue());

            break;

        default:

            cmdHandled = LApplication::ObeyCommand(inCommand, ioParam);

            break;

    }

    return cmdHandled;

}

// ---------------------------------------------------------------------------

//  This function enables menu commands.

void

CCounterApp::FindCommandStatus(

    CommandT    inCommand,

    Boolean     &outEnabled,

    Boolean     &outUsesMark,

    Char16      &outMark,

    Str255      outName)

{

    switch (inCommand) {

        // Return menu item status according to command messages.

        case cmd_New:

//          outEnabled = true;          // enable the New command

            break;

        case cmd_Increment:

            outEnabled = true;          // enable the button

            break;

        case cmd_Decrement:

            outEnabled = true;          // enable the button

            break;

        default:

            LApplication::FindCommandStatus(inCommand, outEnabled,

                                                outUsesMark, outMark, outName);

            break;

    }

}

// ---------------------------------------------------------------------------

LWindow*

CCounterApp::MakeControlsWindow()

{

    LWindow* theWindow = LWindow::CreateWindow(rWindow_Sample, this );

    fCaption = dynamic_cast<LCaption*>(theWindow->FindPaneByID(kCaption));

    ThrowIfNil_(fCaption);

    theWindow->Show();

    return theWindow;

}