aknexmenuappui.cpp

symbian ui的 例子 初学者可以 好好看看,这个是培训的资料,应该比较宝贵

/* Copyright (c) 2005, Nokia. All rights reserved */


// INCLUDE FILES
#include <avkon.hrh>
#include <barsread.h>
#include <akntitle.h>
#include <aknnavi.h>
#include <akncontext.h>
#include <eikmenub.h>
#include <AknExMenu.rsg>

#include "AknExMenu.hrh"
#include "AknExMenuAppUi.h"
#include "AknExMenuView.h"
#include "AknExMenuContainer.h" 
#include "AknExMenuSubView.h"
#include "AknExMenuSubContainer.h" 
#include "AknExMenuOkView.h"

// ========================= MEMBER FUNCTIONS ==================================

// -----------------------------------------------------------------------------
// CAknExMenuAppUi::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CAknExMenuAppUi::ConstructL()
    {
    
    // Initialise app UI with standard value.
    BaseConstructL( EAknEnableSkin );

    // Show tabs for main views from resources
    CEikStatusPane *sp = StatusPane();

    iTitlePane = static_cast<CAknTitlePane*>
        ( sp->ControlL( TUid::Uid( EEikStatusPaneUidTitle) ) ) ;

     // Fetch pointer to the default navi pane control
    iNaviPane = static_cast<CAknNavigationControlContainer*> 
        ( sp->ControlL( TUid::Uid( EEikStatusPaneUidNavi ) ) );

    iDecoratedTabGroup = iNaviPane->ResourceDecorator();
    if ( iDecoratedTabGroup )
        {
        iTabGroup = static_cast<CAknTabGroup*> ( iDecoratedTabGroup->
                                                 DecoratedControl() );
        }

    CAknExMenuView* view1 = new( ELeave ) CAknExMenuView;

    CleanupStack::PushL( view1 );
    view1->ConstructL( R_AKNEXMENU_NO_SUB_MENU );
    CleanupStack::Pop();
    
    // Transfer ownership to CAknViewAppUi
    AddViewL( view1 );

    CAknExMenuSubView* view2 = new( ELeave ) CAknExMenuSubView;

    CleanupStack::PushL( view2 );
    view2->ConstructL( R_AKNEXMENU_SUB_MENU );
    CleanupStack::Pop();

     // Transfer ownership to CAknViewAppUi
    AddViewL( view2 );

    CAknExMenuOkView* view3 = new( ELeave ) CAknExMenuOkView;

    CleanupStack::PushL( view3 );
    view3->ConstructL( R_AKNEXMENU_OK_MENU );
    CleanupStack::Pop();
    
    // Transfer ownership to CAknViewAppUi
    AddViewL( view3 );

    ActivateLocalViewL( view1->Id() );
    }

// -----------------------------------------------------------------------------
// CAknExMenuAppUi::~CAknExMenuAppUi()
// Destructor.
// -----------------------------------------------------------------------------
//
CAknExMenuAppUi::~CAknExMenuAppUi()
    {
    delete iDecoratedTabGroup;
    delete iAppContainer;
    }

// -----------------------------------------------------------------------------
// CAknExMenuAppUi::DynInitMenuPaneL()
// This function is called by the EIKON framework just before it displays
// a menu pane. Its default implementation is empty, and by overriding it,
// the application can set the state of menu items dynamically according
// to the state of application data.
// ------------------------------------------------------------------------------
//
void CAknExMenuAppUi::DynInitMenuPaneL( TInt /*aResourceId*/,
                                        CEikMenuPane* /*aMenuPane*/ )
    {
        // No implementation required
    }

// -----------------------------------------------------------------------------
// CAknExMenuAppUi::HandleCommandL()
// Takes care of command handling.
// -----------------------------------------------------------------------------
//
void CAknExMenuAppUi::HandleCommandL( TInt aCommand )
    {
    switch ( aCommand )
        {
        case EEikCmdExit:
        case EAknCmdExit:
            User::Exit( 0 );
            break;

        // TODO: Add Your command handling code here

        default:
            break;      
        }
    }

// -----------------------------------------------------------------------------
// CAknExMenuAppUi::HandleKeyEventL()
// Takes care of key event handling.
// -----------------------------------------------------------------------------
//
TKeyResponse CAknExMenuAppUi::HandleKeyEventL( const TKeyEvent& aKeyEvent,
                                               TEventCode /*aType*/ )
    {
    iTabGroup = static_cast<CAknTabGroup*> ( iDecoratedTabGroup->
                                              DecoratedControl() );
    if ( iTabGroup == NULL )
        {
        return EKeyWasNotConsumed;
        }

    TInt active = iTabGroup->ActiveTabIndex();
    TInt count = iTabGroup->TabCount();

    switch ( aKeyEvent.iCode )
        {
        case EKeyLeftArrow:
            if ( active > 0 )
                {
                active--;
                iTabGroup->SetActiveTabByIndex( active );
                ActivateLocalViewL( TUid::Uid( iTabGroup->
                                               TabIdFromIndex( active ) ) );
                }
            break;
        case EKeyRightArrow:
            if( ( active + 1 ) < count )
                {
                active++;
                iTabGroup->SetActiveTabByIndex( active );
                ActivateLocalViewL( TUid::Uid( iTabGroup->
                                               TabIdFromIndex( active ) ) );
                }
            break;
        default:
            return EKeyWasNotConsumed;
            break;
        }

    return EKeyWasConsumed;
    }

// End of File