contrib/samples/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 sample program
  26 *
  27 ****************************************************************************/
  28
  29 // For compilers that support precompilation, includes "wx/wx.h".
  30 #include <wx/wxprec.h>
  31 #ifdef __BORLANDC__
  32     #pragma hdrstop
  33 #endif
  34
  35 #include "wx/wx.h"
  36 #include "wx/applet/window.h"
  37 #include "applet.h"
  38
  39 /*---------------------------- Global variables ---------------------------*/
  40
  41 // Define the event tables for handling application frame events
  42 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  43     EVT_MENU(Minimal_Quit,      MyFrame::OnQuit)
  44     EVT_MENU(Minimal_About,     MyFrame::OnAbout)
  45     EVT_MENU(Minimal_Back,      MyFrame::OnBack)
  46     EVT_MENU(Minimal_Forward,   MyFrame::OnForward)
  47 END_EVENT_TABLE()
  48
  49 // Create a new application object: this macro will allow wxWindows to create
  50 // the application object during program execution (it's better than using a
  51 // static object for many reasons) and also declares the accessor function
  52 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
  53 // not wxApp)
  54 IMPLEMENT_APP(MyApp)
  55
  56 /*------------------------- Implementation --------------------------------*/
  57
  58 /****************************************************************************
  59 PARAMETERS:
  60 title   - Title for the frame window
  61 pos     - Position to place to frame window
  62 size    - Size of the frame window
  63
  64 REMARKS:
  65 Application frame window constructor
  66 ****************************************************************************/
  67 MyFrame::MyFrame(
  68     const wxString& title,
  69     const wxPoint& pos,
  70     const wxSize& size)
  71     : wxFrame(NULL, -1, title, pos, size)
  72 {
  73     // Create a menu bar
  74     wxMenu *menuFile = new wxMenu;
  75     wxMenu *menuNav = new wxMenu;
  76     menuFile->Append(Minimal_Quit, "E&xit");
  77     menuNav->Append(Minimal_Back, "Go &back");
  78     menuNav->Append(Minimal_Forward, "Go &forward");
  79
  80     // Now append the freshly created menu to the menu bar...
  81     wxMenuBar *menuBar = new wxMenuBar;
  82     menuBar->Append(menuFile, "&File");
  83     menuBar->Append(menuNav, "&Navigate");
  84
  85     // ... and attach this menu bar to the frame
  86     SetMenuBar(menuBar);
  87     CreateStatusBar(2);
  88
  89     // Create the HTML window
  90     html = new wxHtmlAppletWindow(this);
  91     html->SetRelatedFrame(this, "wxApplet Demo: '%s'");
  92     html->SetRelatedStatusBar(1);
  93     html->LoadPage("index.html");
  94 }
  95
  96 /****************************************************************************
  97 REMARKS:
  98 Event handler for the 'Exit' menu item
  99 ****************************************************************************/
 100 void MyFrame::OnQuit(
 101     wxCommandEvent&)
 102 {
 103     // TRUE is to force the frame to close
 104     Close(TRUE);
 105 }
 106
 107 /****************************************************************************
 108 REMARKS:
 109 Event handler for the 'About' menu item
 110 ****************************************************************************/
 111 void MyFrame::OnAbout(
 112     wxCommandEvent&)
 113 {
 114     // TODO: Bring up and about html page!
 115 }
 116
 117 /****************************************************************************
 118 REMARKS:
 119 Event handler for the 'Go back' menu item
 120 ****************************************************************************/
 121 void MyFrame::OnBack(
 122     wxCommandEvent&)
 123 {
 124     if (!html -> HistoryBack())
 125         wxMessageBox("You reached prehistory era!");
 126 }
 127
 128 /****************************************************************************
 129 REMARKS:
 130 Event handler for the 'Go forward' menu item
 131 ****************************************************************************/
 132 void MyFrame::OnForward(
 133     wxCommandEvent&)
 134 {
 135     if (!html -> HistoryForward())
 136         wxMessageBox("No more items in history!");
 137 }
 138
 139 /****************************************************************************
 140 REMARKS:
 141 `Main program' equivalent: the program execution "starts" here
 142 ****************************************************************************/
 143 bool MyApp::OnInit()
 144 {
 145     // Create the main application window
 146     MyFrame *frame = new MyFrame("wxApplet testing application",
 147         wxPoint(50, 50), wxSize(640, 480));
 148
 149     // Show it and tell the application that it's our main window
 150     frame->Show(TRUE);
 151     SetTopWindow(frame);
 152
 153     // Success: wxApp::OnRun() will be called to run the application
 154     return TRUE;
 155 }
 156