contrib/include/wx/applet/applet.h

   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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  10 *  |                                                                    |
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  12 *  |SciTech Software, Inc., located at 505 Wall Street, Chico, CA 95928 |
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  18 *  |                                                                    |
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  24 *  ======================================================================
  25 *
  26 * Language:     ANSI C++
  27 * Environment:  Any
  28 *
  29 * Description:  Header file for the wxApplet class
  30 *
  31 ****************************************************************************/
  32
  33 #ifndef __WX_APPLET_H
  34 #define __WX_APPLET_H
  35
  36 #include "wx/panel.h"
  37 #include "wx/html/htmlwin.h"
  38
  39 // Forward declaration
  40 class wxHtmlAppletWindow;
  41
  42 /*--------------------------- Class Definitions ---------------------------*/
  43
  44 /****************************************************************************
  45 REMARKS:
  46 Defines the abstract base class for wxApplet objects.
  47 ****************************************************************************/
  48 class wxApplet : public wxPanel {
  49 private:
  50     DECLARE_ABSTRACT_CLASS(wxApplet);
  51     DECLARE_EVENT_TABLE();
  52
  53 protected:
  54     wxHtmlAppletWindow  *m_parent;
  55
  56             // Special handler for background erase messages
  57             void OnEraseBackground(wxEraseEvent&);
  58
  59 public:
  60             // Constructor (called during dynamic creation)
  61             wxApplet() { m_parent = NULL; };
  62
  63             // Psuedo virtual constructor
  64     virtual bool Create(
  65                 wxHtmlAppletWindow *parent,
  66                 const wxHtmlTag& params,
  67                 const wxSize& size,
  68                 long style = wxTAB_TRAVERSAL | wxNO_BORDER);
  69
  70             // Virtual destructor
  71     virtual ~wxApplet();
  72
  73             // Handle HTML navigation to a new URL
  74     virtual void OnLinkClicked(const wxHtmlLinkInfo& link) = 0;
  75
  76             // Handle HTML navigation forward command in applet
  77     virtual void OnHistoryForward() = 0;
  78
  79             // Handle HTML navigation back command in applet
  80     virtual void OnHistoryBack() = 0;
  81
  82             // Handle messages from the wxAppletManager and other applets
  83     virtual void OnMessage(wxEvent& msg) = 0;
  84     };
  85
  86
  87
  88 #endif // __WX_APPLET_H
  89