wxWidgets/samples/applet/applet.cpp

/****************************************************************************
*
*						wxWindows HTML Applet Package
*
*  ========================================================================
*
*    The contents of this file are subject to the wxWindows licence; 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/licence.htm
*
*    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.
*
*    The Original Code is Copyright (C) 2001 SciTech Software, Inc.
*
*    The Initial Developer of the Original Code is SciTech Software, Inc.
*    All Rights Reserved.
*
*  ========================================================================
*
* 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/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;
}