app.cpp

roadnav 内含一个基于wxWindows库的车载导航系统。编译后

/*
 *  Roadnav
 *  App.cpp
 *
 *  Copyright (c) 2004 - 2006 Richard L. Lynch <[e-mail]>
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of version 2 of the GNU General Public License
 *  as published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

//////////////////////////////////////////////////////////////////////////////
/// \file
///
/// Application code.
///
/// Contains the entry point for the application.
///
//////////////////////////////////////////////////////////////////////////////
 
#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#ifdef _MSC_VER
#pragma warning(disable: 4786)
#endif

#include <wx/wx.h>
#include <wx/image.h>
#include <wx/config.h>
#include <wx/fs_zip.h>
#include <wx/fs_inet.h>
#include <wx/socket.h>
#include <wx/stdpaths.h>

#include "App.h"
#include "Frame.h"
#include "libroadnav/Map.h"
#include "TTS.h"
#include "libroadnav/URLs.h"
#include "libroadnav/MapSupport.h"
#include "Support.h"
#include "libroadnav/DownloadFiles.h"
#include "libroadnav/Debug.h"

#include "splash.xpm"

wxConfigBase * g_pConfig = NULL;

IMPLEMENT_APP(MapApp)

#if !LIBROADNAV_CHECK_VERSION(0, 16)
#error Requires at least version 0.16 of LibRoadnav
#endif

#if !wxCHECK_VERSION(2, 6, 2)
#error Requires at least version 2.6.2 of wxWidgets
#endif

//////////////////////////////////////////////////////////////////////////////
/// 
/// \brief Show the splash screen
///
//////////////////////////////////////////////////////////////////////////////
void MapApp::ShowSplash()
{
	wxBitmap bmpSplash(splash_xpm);
	
	m_wndSplash = new wxSplashScreen(
						bmpSplash,
						wxSPLASH_CENTRE_ON_SCREEN | wxSPLASH_NO_TIMEOUT,
						0,
						NULL,
						-1,
						wxDefaultPosition,
						wxDefaultSize,
						wxSIMPLE_BORDER | wxFRAME_NO_TASKBAR
						);
	
	m_wndSplash->SetTitle(wxT(PACKAGE));

	wxYield();
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Hide the splash screen
///
//////////////////////////////////////////////////////////////////////////////
void MapApp::HideSplash()
{
	delete m_wndSplash;
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Initialization code
///
//////////////////////////////////////////////////////////////////////////////
bool MapApp::OnInit()
{
	wxApp::OnInit();

	////////////////////////////////////////////////////////////////
	// For some reason, if a wxScreenDC is not instantiated, it's
	// not possible to focus the Roadnav window under OSX.
	////////////////////////////////////////////////////////////////
	wxScreenDC dcScreen;

	////////////////////////////////////////////////////////////////
	// Initialize stuff
	////////////////////////////////////////////////////////////////
	wxInitAllImageHandlers();

	wxFileSystem::AddHandler(new wxZipFSHandler);
	wxFileSystem::AddHandler(new wxInternetFSHandler);

	SetVendorName(wxT(""));
	SetAppName(wxT(PACKAGE));

	g_pConfig = wxConfigBase::Get();
	g_pConfig->SetRecordDefaults();

	wxSocketBase::Initialize();

	////////////////////////////////////////////////////////////////
	// Splash screen on, if debug mode not used
	////////////////////////////////////////////////////////////////

#ifndef _DEBUG
	ShowSplash();
#endif

	////////////////////////////////////////////////////////////////
	// Set up configuration object
	////////////////////////////////////////////////////////////////

	SetURLConfig(g_pConfig);
	
	////////////////////////////////////////////////////////////////
	// Common data path
	////////////////////////////////////////////////////////////////

	SetCommonDataPath(RoadnavCommonDirectory());

	////////////////////////////////////////////////////////////////
	// Local data path
	////////////////////////////////////////////////////////////////

	wxFileName fnLocal;

	wxStandardPathsBase & p = wxStandardPaths::Get();

	fnLocal.AssignDir(p.GetUserDataDir() + wxT("data"));

	if (!fnLocal.DirExists())
		fnLocal.Mkdir(0755);

	fnLocal.AppendDir(wxT("compiled_maps"));

	SetLocalDataPath(fnLocal.GetFullPath());

	//////////////////////////////////////////////////////////////////////////////
	// Download cache directory
	//////////////////////////////////////////////////////////////////////////////
	wxFileName fnCache;

	fnCache.AssignDir(p.GetUserDataDir() + wxT("data"));
	fnCache.AppendDir(wxT("http_cache"));

	SetDownloadCacheDirectory(fnCache.GetFullPath());

	//////////////////////////////////////////////////////////////////////////////
	// Proxy settings
	//////////////////////////////////////////////////////////////////////////////
	long lPort = 0;

	SetProxyHost(g_pConfig->Read(wxT("ProxyHost"), wxT("")));
	
	g_pConfig->Read(wxT("ProxyPort"), &lPort);
	SetProxyPort(lPort);

	TTSLoad();

	////////////////////////////////////////////////////////////////
	// Eliminate splash screen
	////////////////////////////////////////////////////////////////

#ifndef _DEBUG
	HideSplash();
#endif

	////////////////////////////////////////////////////////////////
	// Bring up the main window
	////////////////////////////////////////////////////////////////

	MapFrame * pfMain = new MapFrame(wxT("Roadnav"));
	pfMain->Show(TRUE);
	SetTopWindow(pfMain);
	
	return TRUE;	
}

void MapApp::OnInitCmdLine(wxCmdLineParser & parser)
{
	wxApp::OnInitCmdLine(parser);
	
#ifdef LIBROADNAV_DEBUG
	parser.AddSwitch(wxT("d"), wxT("debug"), wxT("Enable debugging"));
#endif
}

bool MapApp::OnCmdLineParsed(wxCmdLineParser & parser)
{
	bool bContinue = true;
	
	if (!wxApp::OnCmdLineParsed(parser))
		bContinue = false;
	
#ifdef LIBROADNAV_DEBUG
	if (parser.Found(wxT("d")))
		LibRoadnavDebugEnable();
#endif
		
	return bContinue;
}