guictrlscontainer.cpp

《基于Symbian OS的手机开发与应用实践》这本书的配套源码。

/*
* ============================================================================
*  Name     : CGuiCtrlsContainer from GuiCtrlsContainer.h
*  Part of  : GuiCtrls
*  Created  : 15.04.2005 by ToBeReplacedByAuthor
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include "GuiCtrlsContainer.h"
#include "GuiCtrlsView.h"
#include <barsread.h>  // BAFL, for resource reader
#include <aknlists.h>  // for Listbox
#include <guictrls.rsg>
#include <akntitle.h> // for title pane
#include <eikspane.h>
#include "NoteListDialog.h"
#include "QueryListDialog.h"
#include "DemoForm.h"
#include "EditorForm.h"

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

// ---------------------------------------------------------
// CGuiCtrlsContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CGuiCtrlsContainer::ConstructL(const TRect& aRect, CGuiCtrlsView* aView)
    {
    CreateWindowL();

    iView = aView;
    iListBox = new(ELeave)CAknSingleStyleListBox();
    iListBox->SetContainerWindowL(*this);
    TResourceReader reader;
    CEikonEnv::Static()->CreateResourceReaderLC(reader, R_GUICTRLS_LISTBOX_MAIN);
    iListBox->ConstructFromResourceL( reader );
    CleanupStack::PopAndDestroy(); // resource stuffs. 
    iListBox->SetListBoxObserver(this);
    iListBox->CreateScrollBarFrameL(ETrue);
    iListBox->ScrollBarFrame()->SetScrollBarVisibilityL(CEikScrollBarFrame::EOn, CEikScrollBarFrame::EOn);

    SetRect(aRect);
    ActivateL();
    }

// Destructor
CGuiCtrlsContainer::~CGuiCtrlsContainer()
    {
    delete iListBox;
    }

// ---------------------------------------------------------
// CGuiCtrlsContainer::SizeChanged()
// Called by framework when the view size is changed
// ---------------------------------------------------------
//
void CGuiCtrlsContainer::SizeChanged()
    {
    iListBox->SetExtent( TPoint(0,0), iListBox->MinimumSize() );
    }

// ---------------------------------------------------------
// CGuiCtrlsContainer::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CGuiCtrlsContainer::CountComponentControls() const
    {
    return 1; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CGuiCtrlsContainer::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CGuiCtrlsContainer::ComponentControl(TInt aIndex) const
    {
    switch ( aIndex )
        {
        case 0:
            return iListBox;
        default:
            return NULL;
        }
    }

// ---------------------------------------------------------
// CGuiCtrlsContainer::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CGuiCtrlsContainer::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    gc.Clear();
    }

void CGuiCtrlsContainer::HandleListBoxEventL(
    CEikListBox* /*aListBox*/,
    TListBoxEvent aEventType )
    {
    if ( aEventType == MEikListBoxObserver::EEventEnterKeyPressed  ||
         aEventType == MEikListBoxObserver::EEventItemClicked )
        {
        SwitchScreenL();
        }
    }

void CGuiCtrlsContainer::SwitchScreenL()
    {
    TInt index = iListBox->CurrentItemIndex();
    CEikStatusPane* sp = iEikonEnv->AppUiFactory()->StatusPane();
    CAknTitlePane* title = (CAknTitlePane*)sp->ControlL( TUid::Uid( EEikStatusPaneUidTitle ) );
    
    switch (index)
        {
        case 0: // demo Form
            title->SetTextL(_L("Form Demo"));
            CDemoForm::RunLD();
            break;
        case 1: // Editor Form
            title->SetTextL(_L("Editors Demo"));
            CEditorForm::RunLD();
            break;
        case 2: // Notes Demo Dialog
            title->SetTextL(_L("Notes Demo"));
            CNoteListDialog::RunLD();
            break;
        case 3: // Query Demo Dialog
            title->SetTextL(_L("Query Demo"));
            CQueryListDialog::RunLD();
            break;
        case 4: // Menu Demo View
            iView->ActivateAnotherViewL();
            break;
        default:
            break;
        }
    
    }
// ---------------------------------------------------------
// CGuiCtrlsContainer::OfferKeyEventL(...)
// Notify key events to editors.
// ---------------------------------------------------------
//
TKeyResponse CGuiCtrlsContainer::OfferKeyEventL(
    const TKeyEvent& aKeyEvent, TEventCode aType)
    {
    if ( aType != EEventKey ) // Is not key event?
        {
        return EKeyWasNotConsumed;
        }
    if (iListBox)
        {
        return iListBox->OfferKeyEventL(aKeyEvent, aType);
        }
    return EKeyWasNotConsumed;
    }
// End of File