contrib/samples/applet/applet.cpp

   1 /****************************************************************************
   2 *
   3 *                       wxWindows HTML Applet Package
   4 *
   5 *  ========================================================================
   6 *
   7 *    The contents of this file are subject to the wxWindows licence; you
   8 *    may not use this file except in compliance with the License. You may
   9 *    obtain a copy of the License at http://www.wxwindows.org/licence.htm
  10 *
  11 *    Software distributed under the License is distributed on an
  12 *    "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  13 *    implied. See the License for the specific language governing
  14 *    rights and limitations under the License.
  15 *
  16 *    The Original Code is Copyright (C) 2001 SciTech Software, Inc.
  17 *
  18 *    The Initial Developer of the Original Code is SciTech Software, Inc.
  19 *    All Rights Reserved.
  20 *
  21 *  ========================================================================
  22 *
  23 * Language:     ANSI C++
  24 * Environment:  Any
  25 *
  26 * Description:  Main wxApplet sample program
  27 *
  28 ****************************************************************************/
  29
  30 // For compilers that support precompilation, includes "wx/wx.h".
  31 #include <wx/wxprec.h>
  32 #ifdef __BORLANDC__
  33     #pragma hdrstop
  34 #endif
  35 #include "wx/applet/window.h"
  36 #include "applet.h"
  37
  38 /*---------------------------- Global variables ---------------------------*/
  39
  40 // Define the event tables for handling application frame events
  41 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  42     EVT_MENU(Minimal_Quit,      MyFrame::OnQuit)
  43     EVT_MENU(Minimal_About,     MyFrame::OnAbout)
  44     EVT_MENU(Minimal_Back,      MyFrame::OnBack)
  45     EVT_MENU(Minimal_Forward,   MyFrame::OnForward)
  46 END_EVENT_TABLE()
  47
  48 // Create a new application object: this macro will allow wxWindows to create
  49 // the application object during program execution (it's better than using a
  50 // static object for many reasons) and also declares the accessor function
  51 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
  52 // not wxApp)
  53 IMPLEMENT_APP(MyApp)
  54
  55 /*------------------------- Implementation --------------------------------*/
  56
  57 /****************************************************************************
  58 PARAMETERS:
  59 title   - Title for the frame window
  60 pos     - Position to place to frame window
  61 size    - Size of the frame window
  62
  63 REMARKS:
  64 Application frame window constructor
  65 ****************************************************************************/
  66 MyFrame::MyFrame(
  67     const wxString& title,
  68     const wxPoint& pos,
  69     const wxSize& size)
  70     : wxFrame(NULL, -1, title, pos, size)
  71 {
  72     // Create a menu bar
  73     wxMenu *menuFile = new wxMenu;
  74     wxMenu *menuNav = new wxMenu;
  75     menuFile->Append(Minimal_Quit, "E&xit");
  76     menuNav->Append(Minimal_Back, "Go &back");
  77     menuNav->Append(Minimal_Forward, "Go &forward");
  78
  79     // Now append the freshly created menu to the menu bar...
  80     wxMenuBar *menuBar = new wxMenuBar;
  81     menuBar->Append(menuFile, "&File");
  82     menuBar->Append(menuNav, "&Navigate");
  83
  84     // ... and attach this menu bar to the frame
  85     SetMenuBar(menuBar);
  86     CreateStatusBar(2);
  87
  88     // Create the HTML window
  89     html = new wxHtmlAppletWindow(this);
  90     html->SetRelatedFrame(this, "wxApplet Demo: '%s'");
  91     html->SetRelatedStatusBar(1);
  92     html->LoadPage("index.html");
  93 }
  94
  95 /****************************************************************************
  96 REMARKS:
  97 Event handler for the 'Exit' menu item
  98 ****************************************************************************/
  99 void MyFrame::OnQuit(
 100     wxCommandEvent&)
 101 {
 102     // TRUE is to force the frame to close
 103     Close(TRUE);
 104 }
 105
 106 /****************************************************************************
 107 REMARKS:
 108 Event handler for the 'About' menu item
 109 ****************************************************************************/
 110 void MyFrame::OnAbout(
 111     wxCommandEvent&)
 112 {
 113     // TODO: Bring up and about html page!
 114 }
 115
 116 /****************************************************************************
 117 REMARKS:
 118 Event handler for the 'Go back' menu item
 119 ****************************************************************************/
 120 void MyFrame::OnBack(
 121     wxCommandEvent&)
 122 {
 123     if (!html -> HistoryBack())
 124         wxMessageBox("You reached prehistory era!");
 125 }
 126
 127 /****************************************************************************
 128 REMARKS:
 129 Event handler for the 'Go forward' menu item
 130 ****************************************************************************/
 131 void MyFrame::OnForward(
 132     wxCommandEvent&)
 133 {
 134     if (!html -> HistoryForward())
 135         wxMessageBox("No more items in history!");
 136 }
 137
 138 /****************************************************************************
 139 REMARKS:
 140 `Main program' equivalent: the program execution "starts" here
 141 ****************************************************************************/
 142 bool MyApp::OnInit()
 143 {
 144     // Create the main application window
 145     MyFrame *frame = new MyFrame("wxApplet testing application",
 146         wxPoint(50, 50), wxSize(640, 480));
 147
 148     // Show it and tell the application that it's our main window
 149     frame->Show(TRUE);
 150     SetTopWindow(frame);
 151
 152     // Success: wxApp::OnRun() will be called to run the application
 153     return TRUE;
 154 }
 155