wxWidgets/contrib/samples/applet/applet.cpp

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/****************************************************************************
*
* wxWindows HTML Applet Package
*
* Copyright (C) 1991-2001 SciTech Software, Inc.
* All rights reserved.
*
* ========================================================================
*
* The contents of this file are subject to the wxWindows License
* Version 3.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.wxwindows.org/licence3.txt
*
* Software distributed under the License is distributed on an
* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* ========================================================================
*
* Language: ANSI C++
* Environment: Any
*
* Description: Main wxApplet sample program
*
****************************************************************************/
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/wx.h"
#include "wx/applet/window.h"
#include "applet.h"
/*---------------------------- Global variables ---------------------------*/
// Define the event tables for handling application frame events
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
EVT_MENU(Minimal_About, MyFrame::OnAbout)
EVT_MENU(Minimal_Back, MyFrame::OnBack)
EVT_MENU(Minimal_Forward, MyFrame::OnForward)
END_EVENT_TABLE()
// Create a new application object: this macro will allow wxWindows to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
/*------------------------- Implementation --------------------------------*/
/****************************************************************************
PARAMETERS:
title - Title for the frame window
pos - Position to place to frame window
size - Size of the frame window
REMARKS:
Application frame window constructor
****************************************************************************/
MyFrame::MyFrame(
const wxString& title,
const wxPoint& pos,
const wxSize& size)
: wxFrame(NULL, -1, title, pos, size)
{
// Create a menu bar
wxMenu *menuFile = new wxMenu;
wxMenu *menuNav = new wxMenu;
menuFile->Append(Minimal_Quit, "E&xit");
menuNav->Append(Minimal_Back, "Go &back");
menuNav->Append(Minimal_Forward, "Go &forward");
// Now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menuFile, "&File");
menuBar->Append(menuNav, "&Navigate");
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
CreateStatusBar(2);
// Create the HTML window
html = new wxHtmlAppletWindow(this);
html->SetRelatedFrame(this, "wxApplet Demo: '%s'");
html->SetRelatedStatusBar(1);
html->LoadPage("index.html");
}
/****************************************************************************
REMARKS:
Event handler for the 'Exit' menu item
****************************************************************************/
void MyFrame::OnQuit(
wxCommandEvent&)
{
// TRUE is to force the frame to close
Close(TRUE);
}
/****************************************************************************
REMARKS:
Event handler for the 'About' menu item
****************************************************************************/
void MyFrame::OnAbout(
wxCommandEvent&)
{
// TODO: Bring up and about html page!
}
/****************************************************************************
REMARKS:
Event handler for the 'Go back' menu item
****************************************************************************/
void MyFrame::OnBack(
wxCommandEvent&)
{
if (!html -> HistoryBack())
wxMessageBox("You reached prehistory era!");
}
/****************************************************************************
REMARKS:
Event handler for the 'Go forward' menu item
****************************************************************************/
void MyFrame::OnForward(
wxCommandEvent&)
{
if (!html -> HistoryForward())
wxMessageBox("No more items in history!");
}
/****************************************************************************
REMARKS:
`Main program' equivalent: the program execution "starts" here
****************************************************************************/
bool MyApp::OnInit()
{
// Create the main application window
MyFrame *frame = new MyFrame("wxApplet testing application",
wxPoint(50, 50), wxSize(640, 480));
// Show it and tell the application that it's our main window
frame->Show(TRUE);
SetTopWindow(frame);
// Success: wxApp::OnRun() will be called to run the application
return TRUE;
}