contrib/src/applet/applet.cpp

   1 /****************************************************************************
   2 *
   3 *                       wxWindows HTML Applet Package
   4 *
   5 *               Copyright (C) 1991-2001 SciTech Software, Inc.
   6 *                            All rights reserved.
   7 *
   8 *  ======================================================================
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  24 *  ======================================================================
  25 *
  26 * Language:     ANSI C++
  27 * Environment:  Any
  28 *
  29 * Description:  Main wxApplet class implementation
  30 *
  31 ****************************************************************************/
  32
  33 // For compilers that support precompilation
  34 #include "wx/wxprec.h"
  35
  36 // Include private headers
  37 #include "wx/applet/applet.h"
  38
  39 /*------------------------- Implementation --------------------------------*/
  40
  41 // Empty event handler. We include this event handler simply so that
  42 // sub-classes of wxApplet can reference wxApplet in the event tables
  43 // that they create as necessary.
  44 BEGIN_EVENT_TABLE(wxApplet, wxPanel)
  45      EVT_ERASE_BACKGROUND(wxApplet::OnEraseBackground)
  46 END_EVENT_TABLE()
  47
  48 // Implement the abstract class functions
  49 IMPLEMENT_ABSTRACT_CLASS(wxApplet, wxPanel);
  50
  51 /****************************************************************************
  52 REMARKS:
  53 Psuedo virtual constructor for the wxApplet class.
  54 ****************************************************************************/
  55 bool wxApplet::Create(
  56     wxHtmlAppletWindow *parent,
  57     const wxSize& size,
  58     long style)
  59 {
  60     bool ret = wxPanel::Create(parent, -1, wxDefaultPosition, size, style);
  61     if (ret) {
  62         m_Parent = parent;
  63         }
  64     return ret;
  65 }
  66
  67 /****************************************************************************
  68 REMARKS:
  69 Destructor for the wxApplet class.
  70 ****************************************************************************/
  71 wxApplet::~wxApplet()
  72 {
  73     m_Parent->RemoveApplet(this);
  74 }
  75
  76 /****************************************************************************
  77 REMARKS:
  78 Special handler for background erase messages. We do nothing in here which
  79 causes the background to not be erased which is exactly what we want. All
  80 the wxApplet classes display over an HTML window, so we want the HTML
  81 background to show through.
  82 ****************************************************************************/
  83 void wxApplet::OnEraseBackground(wxEraseEvent&)
  84 {
  85 }
  86