imchatrecordcontainer.cpp

来自「国内著名嵌入式培训机构内部资料,内含一些实例代码,包括技术专题书籍」· C++ 代码 · 共 208 行

/*
 ============================================================================
 Author	  : hou maoqing
 Version	 : 1.0
 Copyright   : Copyright (c) Hou maoqing 2008
 Mail	: [e-mail]
 ============================================================================
 */

#include "ImChatRecordContainer.h"

#include <ImClientExam.rsg>
#include <StringLoader.h>
#include <eiklabel.h>  
#include <barsread.h>  // for resource reader
#include <eikedwin.h>  // for CEikEdwin
#include <eikseced.h>       // for secret editor
#include <EIKENV.H>
#include <TXTGLOBL.H>
#include <eikgted.h> 
#include <ImChatRecordView.h>
#include <sockets.hrh>


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

CImChatRecordContainer::CImChatRecordContainer(CImChatRecordView* pView)
	{
	m_pView=pView;
	}

// ---------------------------------------------------------
// CImChatRecordContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CImChatRecordContainer::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

    TResourceReader reader; 
    iCoeEnv->CreateResourceReaderLC( reader, R_IMCHAT_RECORD_VIEW_GTEXTED );
    iGTextEd = new ( ELeave ) CEikGlobalTextEditor;
    iGTextEd->SetContainerWindowL( *this );
    iGTextEd->ConstructFromResourceL( reader );
    CleanupStack::PopAndDestroy();  // Resource reader
    iGTextEd->SetAvkonWrap( ETrue );
    
    iCoeEnv->CreateResourceReaderLC( reader, R_IMCHAT_RECORD_VIEW_EDWIN );
    iInputBox = new ( ELeave ) CEikEdwin;
    iInputBox->SetContainerWindowL( *this );
    iInputBox->ConstructFromResourceL( reader );
    CleanupStack::PopAndDestroy();  // Resource reader
    
    iInputBox->SetFocus(ETrue);
    
    SetRect(aRect);
    SetBlank();
    ActivateL();
    }

// Destructor
CImChatRecordContainer::~CImChatRecordContainer()
    {
    delete iGTextEd;
    delete iInputBox;
    }

// ---------------------------------------------------------
// CImChatRecordContainer::SizeChanged()
// Called by framework when the view size is changed
// ---------------------------------------------------------
//
void CImChatRecordContainer::SizeChanged()
    {
    const CFont* pFont = CEikonEnv::Static()->DenseFont();
    int nLineHeight=pFont->FontMaxHeight()+8;
    
    TRect rectClient=Rect();
    TRect rectChatRecord=rectClient;
    TRect rectInputBox=rectClient;
    
    rectChatRecord.iBr.iY-=nLineHeight;
    rectInputBox.iTl.iY=rectInputBox.iBr.iY-nLineHeight;
    rectInputBox.Grow(-2,-2);
    
    TSize size = rectChatRecord.Size();
    if (iGTextEd->ScrollBarFrame())
        {
        size.iWidth -= iGTextEd->ScrollBarFrame()->VerticalScrollBar()->ScrollBarBreadth();
        }
    
    iGTextEd->SetExtent( rectChatRecord.iTl, size );
    iInputBox->SetExtent( rectInputBox.iTl, rectInputBox.Size() );
    }

// ---------------------------------------------------------
// CImChatRecordContainer::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CImChatRecordContainer::CountComponentControls() const
    {
    return 2; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CImChatRecordContainer::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CImChatRecordContainer::ComponentControl(TInt aIndex) const
    {
    switch ( aIndex )
        {
        case 0:
            return iGTextEd;
        case 1:
            return iInputBox;
        default:
            return NULL;
        }
    }

// ---------------------------------------------------------
// CImChatRecordContainer::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CImChatRecordContainer::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    
    gc.SetPenStyle( CGraphicsContext::ENullPen );
    gc.SetBrushColor( KRgbGray );
    gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
    gc.DrawRect( aRect );
    }

// ---------------------------------------------------------
// CImChatRecordContainer::HandleControlEventL(
//     CCoeControl* aControl,TCoeEvent aEventType)
// ---------------------------------------------------------
//
void CImChatRecordContainer::HandleControlEventL(
    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
    {
    
    }

TKeyResponse CImChatRecordContainer::OfferKeyEventL(
		const TKeyEvent& aKeyEvent,TEventCode aType)
	{
	TKeyResponse r = EKeyWasNotConsumed;
	if (aType == EEventKey)
		{	    	
		if(aKeyEvent.iCode==EKeyUpArrow
				|| aKeyEvent.iCode==EKeyDownArrow)
			{
			return iGTextEd->OfferKeyEventL(aKeyEvent,aType);
			}
		else if(aKeyEvent.iCode==EKeyDevice3)  //ok key
    		{
    		m_pView->HandleCommandL(EImCmdSendMessage);
    		r=EKeyWasConsumed;
    		}
		}
	
	if(r==EKeyWasConsumed)
		return r;
	
	if(iInputBox->IsFocused())
		return iInputBox->OfferKeyEventL(aKeyEvent,aType);
	
	return CCoeControl::OfferKeyEventL(aKeyEvent,aType);
	}

void CImChatRecordContainer::GetInputBoxText(TDes& desText)
	{
	iInputBox->GetText(desText);
	
	TBuf<2> buf;
	buf.Append(_L(""));
	iInputBox->SetTextL(&buf);
	iInputBox->HandleTextChangedL();
	iInputBox->DrawDeferred();
	}

void CImChatRecordContainer::AddChatRecord(const TDesC& desChatRecord)
	{
	int pos=iGTextEd->CursorPos();
	CGlobalText* pRichText=iGTextEd->GlobalText();
	pRichText->InsertL( pos ,desChatRecord);
	iGTextEd->SetCursorPosL( pos + desChatRecord.Length(), ETrue );
	iGTextEd->HandleTextChangedL();
	iGTextEd->MoveDisplayL(TCursorPosition::EFPageDown);

	//插入换行符
	TBuf<2> bufLine;
	bufLine.Append(0x2029);
	pos=iGTextEd->CursorPos();
	pRichText->InsertL( pos ,bufLine);
	iGTextEd->SetCursorPosL( pos + bufLine.Length(), ETrue );
	iGTextEd->HandleTextChangedL();
	iGTextEd->MoveDisplayL(TCursorPosition::EFPageDown);
	
	iGTextEd->DrawDeferred();
	}

// End of File