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 *  ========================================================================
   9 *
  10 *    The contents of this file are subject to the wxWindows License
  11 *    Version 3.0 (the "License"); you may not use this file except in
  12 *    compliance with the License. You may obtain a copy of the License at
  13 *    http://www.wxwindows.org/licence3.txt
  14 *
  15 *    Software distributed under the License is distributed on an
  16 *    "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  17 *    implied. See the License for the specific language governing
  18 *    rights and limitations under the License.
  19 *
  20 *  ========================================================================
  21 *
  22 * Language:     ANSI C++
  23 * Environment:  Any
  24 *
  25 * Description:  Main wxApplet class implementation
  26 *
  27 ****************************************************************************/
  28
  29 // For compilers that support precompilation
  30 #include "wx/wxprec.h"
  31
  32 // Include private headers
  33 #include "wx/applet/applet.h"
  34 #include "wx/applet/window.h"
  35
  36 /*------------------------- Implementation --------------------------------*/
  37
  38 // Empty event handler. We include this event handler simply so that
  39 // sub-classes of wxApplet can reference wxApplet in the event tables
  40 // that they create as necessary.
  41 BEGIN_EVENT_TABLE(wxApplet, wxPanel)
  42      EVT_ERASE_BACKGROUND(wxApplet::OnEraseBackground)
  43 END_EVENT_TABLE()
  44
  45 // Implement the abstract class functions
  46 IMPLEMENT_ABSTRACT_CLASS(wxApplet, wxPanel);
  47
  48 /****************************************************************************
  49 REMARKS:
  50 Psuedo virtual constructor for the wxApplet class.
  51 ****************************************************************************/
  52 bool wxApplet::Create(
  53     wxHtmlAppletWindow *parent,
  54     const wxHtmlTag& ,
  55     const wxSize& size,
  56     long style)
  57 {
  58     bool ret = wxPanel::Create(parent, -1, wxDefaultPosition, size, style);
  59     if (ret) {
  60         m_parent = parent;
  61         }
  62     return ret;
  63 }
  64
  65 /****************************************************************************
  66 REMARKS:
  67 Destructor for the wxApplet class.
  68 ****************************************************************************/
  69 wxApplet::~wxApplet()
  70 {
  71     ((wxHtmlAppletWindow *) m_parent)->RemoveApplet(this);
  72 }
  73
  74 /****************************************************************************
  75 REMARKS:
  76 Special handler for background erase messages. We do nothing in here which
  77 causes the background to not be erased which is exactly what we want. All
  78 the wxApplet classes display over an HTML window, so we want the HTML
  79 background to show through.
  80 ****************************************************************************/
  81 void wxApplet::OnEraseBackground(wxEraseEvent&)
  82 {
  83 }
  84