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
  36 #include "wx/wx.h"
  37 #include "wx/applet/window.h"
  38 #include "applet.h"
  39
  40 /*---------------------------- Global variables ---------------------------*/
  41
  42 // Define the event tables for handling application frame events
  43 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  44     EVT_MENU(Minimal_Quit,      MyFrame::OnQuit)
  45     EVT_MENU(Minimal_About,     MyFrame::OnAbout)
  46     EVT_MENU(Minimal_Back,      MyFrame::OnBack)
  47     EVT_MENU(Minimal_Forward,   MyFrame::OnForward)
  48 END_EVENT_TABLE()
  49
  50 // Create a new application object: this macro will allow wxWindows to create
  51 // the application object during program execution (it's better than using a
  52 // static object for many reasons) and also declares the accessor function
  53 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
  54 // not wxApp)
  55 IMPLEMENT_APP(MyApp)
  56
  57 /*------------------------- Implementation --------------------------------*/
  58
  59 /****************************************************************************
  60 PARAMETERS:
  61 title   - Title for the frame window
  62 pos     - Position to place to frame window
  63 size    - Size of the frame window
  64
  65 REMARKS:
  66 Application frame window constructor
  67 ****************************************************************************/
  68 MyFrame::MyFrame(
  69     const wxString& title,
  70     const wxPoint& pos,
  71     const wxSize& size)
  72     : wxFrame(NULL, -1, title, pos, size)
  73 {
  74     // Create a menu bar
  75     wxMenu *menuFile = new wxMenu;
  76     wxMenu *menuNav = new wxMenu;
  77     menuFile->Append(Minimal_Quit, "E&xit");
  78     menuNav->Append(Minimal_Back, "Go &back");
  79     menuNav->Append(Minimal_Forward, "Go &forward");
  80
  81     // Now append the freshly created menu to the menu bar...
  82     wxMenuBar *menuBar = new wxMenuBar;
  83     menuBar->Append(menuFile, "&File");
  84     menuBar->Append(menuNav, "&Navigate");
  85
  86     // ... and attach this menu bar to the frame
  87     SetMenuBar(menuBar);
  88     CreateStatusBar(2);
  89
  90     // Create the HTML window
  91     html = new wxHtmlAppletWindow(this);
  92     html->SetRelatedFrame(this, "wxApplet Demo: '%s'");
  93     html->SetRelatedStatusBar(1);
  94     html->LoadPage("index.html");
  95 }
  96
  97 /****************************************************************************
  98 REMARKS:
  99 Event handler for the 'Exit' menu item
 100 ****************************************************************************/
 101 void MyFrame::OnQuit(
 102     wxCommandEvent&)
 103 {
 104     // TRUE is to force the frame to close
 105     Close(TRUE);
 106 }
 107
 108 /****************************************************************************
 109 REMARKS:
 110 Event handler for the 'About' menu item
 111 ****************************************************************************/
 112 void MyFrame::OnAbout(
 113     wxCommandEvent&)
 114 {
 115     // TODO: Bring up and about html page!
 116 }
 117
 118 /****************************************************************************
 119 REMARKS:
 120 Event handler for the 'Go back' menu item
 121 ****************************************************************************/
 122 void MyFrame::OnBack(
 123     wxCommandEvent&)
 124 {
 125     if (!html -> HistoryBack())
 126         wxMessageBox("You reached prehistory era!");
 127 }
 128
 129 /****************************************************************************
 130 REMARKS:
 131 Event handler for the 'Go forward' menu item
 132 ****************************************************************************/
 133 void MyFrame::OnForward(
 134     wxCommandEvent&)
 135 {
 136     if (!html -> HistoryForward())
 137         wxMessageBox("No more items in history!");
 138 }
 139
 140 /****************************************************************************
 141 REMARKS:
 142 `Main program' equivalent: the program execution "starts" here
 143 ****************************************************************************/
 144 bool MyApp::OnInit()
 145 {
 146     // Create the main application window
 147     MyFrame *frame = new MyFrame("wxApplet testing application",
 148         wxPoint(50, 50), wxSize(640, 480));
 149
 150     // Show it and tell the application that it's our main window
 151     frame->Show(TRUE);
 152     SetTopWindow(frame);
 153
 154     // Success: wxApp::OnRun() will be called to run the application
 155     return TRUE;
 156 }
 157