hellogui_appview.cpp

symbian gui程序

// HelloGui_AppView.cpp
//
// Copyright (c) 2002 Symbian Ltd.  All rights reserved.
//

#include "HelloGui.h"
#include "HelloGui_AppView.h"


CHelloGuiAppView* CHelloGuiAppView::NewL(const TRect& aRect)
  {
  CHelloGuiAppView * self = new(ELeave) CHelloGuiAppView;
  CleanupStack::PushL(self);
  self->ConstructL(aRect);
  CleanupStack::Pop();
  return self;
  }
	
CHelloGuiAppView::~CHelloGuiAppView()
  {
  delete iHelloText;
  }

void CHelloGuiAppView::ConstructL(const TRect& aRect)
  {
  CreateWindowL();
  SetRect(aRect);
  ActivateL();
        // Fetch the text from the resource file.
  iHelloText = iEikonEnv->AllocReadResourceL(R_HELLOGUI_TEXT_HELLO);
  }

void CHelloGuiAppView::Draw(const TRect& /*aRect*/) const
  {
        // Window graphics context
  CWindowGc& gc = SystemGc();

        // Start with a clear screen
  gc.Clear();
  TRect rect = Rect();
  rect.Shrink(10,10);
  gc.DrawRect(rect);
  rect.Shrink(1,1);
  const CFont* font = iEikonEnv->TitleFont();
  gc.UseFont(font);
  TInt baseline = rect.Height()/2 - font->AscentInPixels()/2;
  gc.DrawText(*iHelloText, rect, baseline, CGraphicsContext::ECenter);
  gc.DiscardFont();
  }