popupwindow.cpp

本例是SYMBIAN C++一个创建短信的例子

/*
* ============================================================================
*  Name     : CPopupWindow from PicaInfoPopupWindow.cpp
*  Part of  : PicaClient
*  Created  : 2004-11-12 by zhao guo qing
*  Implementation notes:
*     Initial content was generated by Series 60 AppWizard.
*  Version  :
*  Copyright: mmim
* ============================================================================
*/

// INCLUDE FILES
#include <eiklabel.h>
#include <aknconsts.h>
#include <akncontext.h>
#include <eikenv.h>
#include <avkon.mbg>
#include <akniconutils.h> 

#include "PopupWindow.h"

const TInt KInfoInterval = 500000;  //时间间隔500毫秒
const TInt KStayInterval = 30000000;  //提示框停留时间30秒
// ================= MEMBER FUNCTIONS =======================

// C++ default constructor can NOT contain any code, that
// might leave.
//
CPopupWindow::CPopupWindow() : iColor(KRgbDarkBlue)
{
	iInernalLeft = 0;
}

// EPOC default constructor can leave.
void CPopupWindow::ConstructL(const TRect& aRect)
{
    iMyWindowGroup=RWindowGroup(iCoeEnv->WsSession());
    
    TUint32 ppp = (TUint32)&iMyWindowGroup;
    User::LeaveIfError(iMyWindowGroup.Construct((TUint32)&iMyWindowGroup));
    
    TUint32 child = iMyWindowGroup.Child();
    
    iMyWindowGroup.SetOrdinalPosition(0, ECoeWinPriorityAlwaysAtFront);
    iMyWindowGroup.EnableReceiptOfFocus(EFalse);
    iMyWindowGroup.EnableFocusChangeEvents();
    iMyWindowGroup.EnableGroupChangeEvents();
    
    CreateWindowL(&iMyWindowGroup);
	
	iTimer = CTimeOutTimer::NewL(CActive::EPriorityStandard, *this);
	AknIconUtils::CreateIconL(iIcon, iIconMask, _L("\\Resource\\Apps\\Avkon2.mbm"), EMbmAvkonQgn_stat_chi_pinyin, EMbmAvkonQgn_stat_chi_pinyin_mask);
	AknIconUtils::SetSize(iIcon, aRect.Size());
	AknIconUtils::SetSize(iIconMask, aRect.Size());
	
	TUint32 pid = Window().Parent();
	
	
	RWindowTreeNode* ssGroup = (RWindowTreeNode*)pid;
	child = ssGroup->Child();
	
	child = iMyWindowGroup.Child();
	child = (TUint32)&Window();
	
	TRgb backgroundColour = KRgbRed; // for example
	backgroundColour.SetAlpha(0);
	TInt err = Window().SetTransparencyFactor(backgroundColour);
	 if(KErrNone == err)
	  {

//		 Window().SetBackgroundColor(backgroundColour);
		}


    SetRect(aRect);
//    EnableDragEvents();
    ActivateL();
	iInernalLeft = 0;
}

// Destructor
CPopupWindow::~CPopupWindow()
{
    iMyWindowGroup.Close();

	if(iTimer)
	{
		iTimer->Cancel();
		delete iTimer;
		iTimer = NULL;
	}
	
	delete iIcon;
	delete iIconMask;
}
// ---------------------------------------------------------
// CAknExSpanePopUpWindow
// ---------------------------------------------------------
//
void CPopupWindow::SetColor(TRgb aColor)
{
    iColor = aColor;
}

void CPopupWindow::SetShowMsg(const TDesC & msg)
{
	iTimer->Cancel();
	iDrawMsg.Copy(msg);
	iInernalLeft = 0;
	TRect rect = Rect();

	const CFont * iFont = iCoeEnv->NormalFont();

	iMsgLen = iFont->TextWidthInPixels(iDrawMsg);

	if(iMsgLen > rect.Width())
	{
		iTimer->After(KInfoInterval);
	}

	DrawNow();
}

void CPopupWindow::TimerExpired()
{
	TRect rect = Rect();
	iInernalLeft -= 10;

	if((rect.Width() - 4 - iInernalLeft)  >= iMsgLen)
	{
		iInernalLeft = 0;
	}
	iTimer->After(KInfoInterval);
	DrawNow();
}

// ---------------------------------------------------------
// CAknExSpanePopUpWindow::Draw(const TRect& aRect) const
// Draw function.
// ---------------------------------------------------------
//
void CPopupWindow::Draw(const TRect& aRect) const
{
    CWindowGc& gc = SystemGc();
    TRect rect = Rect();
    gc.Clear(rect);
    
    TRect sRect = TRect(TPoint(0,0), rect.Size());
    gc.BitBltMasked(TPoint(0,0), iIcon, sRect, iIconMask, ETrue);
}

// End of File