/////////////////////////////////////////////////////////////////////////////
// Name:        helpview.cpp
// Purpose:     wxHtml sample: help browser
// Author:      ?
// Created:     ?
// Copyright:   (c) wxWidgets team
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// Please note: see utils/helpview for a more fully-featured
// standalone help browser.

// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"


// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif

#include "wx/image.h"
#include "wx/wxhtml.h"
#include "wx/fs_zip.h"
#include "wx/log.h"
#include "wx/filedlg.h"


// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
    // override base class virtuals
    // ----------------------------

    // this one is called on application startup and is a good place for the app
    // initialization (doing it here and not in the ctor allows to have an error
    // return: if OnInit() returns false, the application terminates)

    virtual bool OnInit() override;
    virtual int OnExit() override;

private:
    wxHtmlHelpController *help;
};


wxIMPLEMENT_APP(MyApp);


bool MyApp::OnInit()
{
    wxInitAllImageHandlers();
    wxFileSystem::AddHandler(new wxZipFSHandler);

    SetVendorName("wxWidgets");
    SetAppName("wxHTMLHelp");
    wxConfig::Get(); // create an instance

    help = new wxHtmlHelpController;

    if (argc < 2) {
        wxLogError("Usage : helpview <helpfile> [<more helpfiles>]");
        wxLogError("  helpfile may be .hhp, .zip or .htb");
        return false;
    }

    for (int i = 1; i < argc; i++)
        help->AddBook(wxFileName(argv[i]));

    help->SetShouldPreventAppExit(true);

    help -> DisplayContents();

    return true;
}

int MyApp::OnExit()
{
    delete help;
    delete wxConfig::Set(nullptr);

    return 0;
}

