simpleex_view.cpp

Developing.Software.for.Symbian.OS 书籍配套源码

/*=================================================================

      File: simpleEx_view.cpp

      This file contains the application view class for SimpleEx.

==================================================================*/

#include "eikenv.h"
#include <coemain.h>

#include "SimpleEx.h"

CSimpleExAppView* CSimpleExAppView::NewL(const TRect& aRect)
{
    CSimpleExAppView* self = CSimpleExAppView::NewLC(aRect);
    CleanupStack::Pop(self);
    return self;
}

CSimpleExAppView* CSimpleExAppView::NewLC(const TRect& aRect)
{
    CSimpleExAppView* self = new (ELeave) CSimpleExAppView;
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    return self;
}

void CSimpleExAppView::ConstructL(const TRect& aRect)
{

    CreateWindowL();
    SetRect(aRect);
    ActivateL();
}

void CSimpleExAppView::UpdateScreenText(const TDesC16& msg)
{
   iScreenText.Copy(msg);
   DrawNow();

}
 
void CSimpleExAppView::Draw(const TRect& ) const
{

    CWindowGc& gc = SystemGc();   
    const CFont*     font;
	TRect drawRect = Rect();
		
	gc.Clear();

	font = iEikonEnv->TitleFont();
	gc.UseFont(font);
	TInt   baselineOffset=(drawRect.Height() - font->HeightInPixels())/2; 
	gc.DrawText(iScreenText,drawRect,baselineOffset,CGraphicsContext::ECenter, 0);
	
	gc.DiscardFont();
}