frame.cpp

roadnav 内含一个基于wxWindows库的车载导航系统。编译后

					wxSAVE | wxOVERWRITE_PROMPT
					);

	if (dlg.ShowModal() == wxID_OK)
	{
		SaveAsSettingsDialog dlgSettings(this);

		if (dlgSettings.ShowModal() == wxID_OK)
		{
			wxMemoryDC dc;
			wxBitmap bmpOut(dlgSettings.m_iWidth, dlgSettings.m_iHeight);
			
			dc.SelectObject(bmpOut);
			m_ctlMap->DrawAll(&dc, wxSize(dlgSettings.m_iWidth, dlgSettings.m_iHeight));
		
			bmpOut.SaveFile(dlg.GetPath(), wxBITMAP_TYPE_PNG);	
		}
	}
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Prints the map
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnFilePrint(wxCommandEvent & event)
{
	wxString strTitle;
	Address sAddr;
	vector<bool> bVisibility;
	int iRT;

	for (iRT = FIRST_RECORD_TYPE; iRT <= LAST_RECORD_TYPE; iRT++)
	{
		bVisibility.push_back(iRT >= FIRST_RECORD_TYPE_ROAD && iRT <= LAST_RECORD_TYPE_ROAD);
	}

	sAddr = FindCoordinates(m_ctlMap->GetCenterCoordinates(), bVisibility);

	if (sAddr.m_bValid)
	{
		strTitle = sAddr.FormatAddress(false, false, true);
	}
	else
	{
		strTitle = m_ctlMap->GetCenterCoordinates().FormatPoint();
	}

	wxPrintDialogData printDialogData(m_pdData);
	wxPrinter printer(&printDialogData);

	Printout printout(strTitle, m_ctlMap);
	if (!printer.Print(this, &printout, TRUE))
	{
		if (wxPrinter::GetLastError() == wxPRINTER_ERROR)
			wxMessageBox(wxT("There was a problem printing.\nPerhaps your current printer is not set correctly?"), wxT("Printing"), wxOK, this);
		else
		{
			// user hit cancel
		}
	}
	else
	{
		m_pdData = printer.GetPrintDialogData().GetPrintData();
	}
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Brings up a print preview dialog box
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnFilePrintPreview(wxCommandEvent & event)
{
	wxString strTitle;
	Address sAddr;
	vector<bool> bVisibility;
	int iRT;

	for (iRT = FIRST_RECORD_TYPE; iRT <= LAST_RECORD_TYPE; iRT++)
	{
		bVisibility.push_back(iRT >= FIRST_RECORD_TYPE_ROAD && iRT <= LAST_RECORD_TYPE_ROAD);
	}

	sAddr = FindCoordinates(m_ctlMap->GetCenterCoordinates(), bVisibility);

	if (sAddr.m_bValid)
	{
		strTitle = sAddr.FormatAddress(false, false, true);
	}
	else
	{
		strTitle = m_ctlMap->GetCenterCoordinates().FormatPoint();
	}

    wxPrintDialogData printDialogData(m_pdData);
    wxPrintPreview * preview = new wxPrintPreview(	new Printout(strTitle, m_ctlMap), 
													new Printout(strTitle, m_ctlMap), 
													&printDialogData);
    if (!preview->Ok())
    {
        delete preview;
        wxMessageBox(wxT("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _T("Previewing"), wxOK, this);
        return;
    }
    
    wxPreviewFrame *pfrmPreview = new wxPreviewFrame(preview, this, wxT("Print Preview"), wxPoint(100, 100), wxSize(600, 650));
    pfrmPreview->Centre(wxBOTH);
    pfrmPreview->Initialize();
    pfrmPreview->Show(TRUE);
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief File->Exit selected, close the application
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnFileExit(wxCommandEvent & event)
{
	Close(TRUE);
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->Compass selected, show/hide the compass
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewCompass(wxCommandEvent & event)
{
	m_ctlMap->ShowCompass(m_menuView->IsChecked(idViewCompass));
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->Aerial Photos selected, show/hide the photographic background
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewAerialPhotos(wxCommandEvent & event)
{
	g_pConfig->Write(wxT("AerialPhotosVisible"), m_menuView->IsChecked(idViewAerialPhotos));
	g_pConfig->Flush();
	UpdateTheme();
	m_ctlMap->ShowAerialPhotos(m_menuView->IsChecked(idViewAerialPhotos));

	if (m_menuView->IsChecked(idViewAerialPhotos) && m_menuView->IsChecked(idView3DMode))
	{
		wxCommandEvent ev;
		// both aerial photos and 3D mode may not be on at the same time
		m_menuView->Check(idView3DMode, false);
		OnView3DMode(ev);
	}
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->3D Mode selected, enable/disable 3D mode
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnView3DMode(wxCommandEvent & event)
{
	g_pConfig->Write(wxT("3DMode"), m_menuView->IsChecked(idView3DMode));
	g_pConfig->Flush();
	m_ctlMap->Enable3DMode(m_menuView->IsChecked(idView3DMode));

	if (m_menuView->IsChecked(idViewAerialPhotos) && m_menuView->IsChecked(idView3DMode))
	{
		wxCommandEvent ev;
		// both aerial photos and 3D mode may not be on at the same time
		m_menuView->Check(idViewAerialPhotos, false);
		OnViewAerialPhotos(ev);
	}
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->Scale selected, show/hide the scale key
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewScale(wxCommandEvent & event)
{
	m_ctlMap->ShowScale(m_menuView->IsChecked(idViewScale));
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->GPS History toggled
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewGPSHistory(wxCommandEvent & event)
{
	if (!m_menuView->IsChecked(idViewGPSHistory))
		m_ctlMap->ClearTrack(wxT("GPSHistory"));

	g_pConfig->Write(wxT("GPSHistory"), m_menuView->IsChecked(idViewGPSHistory));
	g_pConfig->Flush();
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->Zoom In selected, increase the detail level
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewZoomIn(wxCommandEvent& event)
{
	m_ctlMap->MoreDetail();
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->Zoom Out selected, decrease the detail level
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewZoomOut(wxCommandEvent& event)
{
	m_ctlMap->LessDetail();
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->Zoom All selected
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewZoomMax(wxCommandEvent& event)
{
   m_ctlMap->SetDetailLevel(m_MapAppearanceSettings.GetDetailLevelCount());
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief View->Zoom None selected
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewZoomMin(wxCommandEvent& event)
{
   m_ctlMap->SetDetailLevel(0);
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Show/hide the marker indicating the current GPS coordinates
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewGPSMarker(wxCommandEvent& event)
{
	m_bScreenTracksGPS = m_menuView->IsChecked(idViewGPSMarker);
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Show/hides the GPS status window
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewGPSWindow(wxCommandEvent& event)
{
	if (m_menuView->IsChecked(idViewGPSWindow))
		m_pfrmGPS->Show();
	else
		m_pfrmGPS->Hide();
	
	g_pConfig->Write(wxT("GPSWindowVisible"), m_menuView->IsChecked(idViewGPSWindow));
	g_pConfig->Flush();
}


//////////////////////////////////////////////////////////////////////////////
///
/// \brief Show/hides the What's Nearby window
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewWhatsNearByWindow(wxCommandEvent& event)
{
	if (m_menuView->IsChecked(idViewWhatsNearByWindow))
	{
		m_pfrmWhatsNearBy->SetCenter(m_ctlMap->GetCenterCoordinates());
		m_pfrmWhatsNearBy->Show();
	}
	else
	{
		m_pfrmWhatsNearBy->Hide();
	}
	
	g_pConfig->Write(wxT("WhatsNearByWindowVisible"), m_menuView->IsChecked(idViewWhatsNearByWindow));
	g_pConfig->Flush();
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Enters/exits full screen mode
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnViewFullScreen(wxCommandEvent& event)
{
	ShowFullScreen(!IsFullScreen());
	m_menuView->Check(idViewFullScreen, IsFullScreen());
}

//////////////////////////////////////////////////////////////////////////////
/// 
/// \brief Map->Set Address selected.
///
/// Bring up a dialog box asking the user for an address. Center the map on
/// that address.
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnMapSetAddress(wxCommandEvent & event)
{
	wxFont fntThis = GetFont();
	LocationDialog dlgAddress(this, m_ctlMap, ADFLAG_CANCELBUTTON, &fntThis);

	if (dlgAddress.ShowModal() == wxID_OK)
	{
		Address sAddr;
		wxString strMarkerName;
		wxString strErrorMsg;

		sAddr = dlgAddress.GetAddress(&strErrorMsg);
		strMarkerName = dlgAddress.m_strName;

		if (strMarkerName == wxT(""))
			strMarkerName = wxT("Selected Address");
			
		if (!sAddr.m_bValid)
		{
			wxMessageDialog dlgError(this, strErrorMsg, wxT("Error"), wxOK | wxICON_ERROR);
			dlgError.ShowModal();
			return;
		}
		
		m_ctlMap->SetMarker(MapMarker(strMarkerName, &sAddr, -1, dlgAddress.m_bShowCalloutBox, dlgAddress.m_bShowSmallLabel, false, dlgAddress.m_strIconFilename));
	}
}

//////////////////////////////////////////////////////////////////////////////
/// 
/// \brief Map->Set Angle selected.
///
/// Bring up a dialog box asking the user to enter the orientation of the map.
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnMapSetAngle(wxCommandEvent & event)
{
	wxTextEntryDialog dlg(this, wxT("Enter desired orientation in degrees"), wxT("Set Map Orientation"), wxString::Format(wxT("%.1f"), m_ctlMap->GetAngle()));

	dlg.SetValue(wxString::Format(wxT("%.1f"), m_ctlMap->GetAngle()));

	if (dlg.ShowModal() == wxID_OK)
	{
		double fAngle;

		fAngle = 0;
		dlg.GetValue().ToDouble(&fAngle);

		m_ctlMap->SetAngle(fAngle);
	}
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Map->Waypoints selected.
///
/// Bring up the LocationDialog box, allowing the user to add/update/delete
/// waypoints.
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnMapWaypoints(wxCommandEvent & event)
{
	wxFont fntThis = GetFont();
	LocationDialog dlgAddress(this, m_ctlMap, ADFLAG_MARKERMANAGEMENTBUTTONS, &fntThis);

	dlgAddress.m_strTitle = wxT("Waypoints");

	dlgAddress.ShowModal();
	
	SaveMarkers();
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Map->Get Directions selected.
/// Ask the user for two addresses and figure out the best way to get from
/// the first address to the second. Results are shown in the directions
/// miniframe.
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnMapGetDirections(wxCommandEvent & event)
{
	if (m_menuMap->IsChecked(idMapGetDirections))
	{
		if (!m_pfrmDirections->Setup())
			m_pfrmDirections->Show();
		else
			m_menuMap->Check(idMapGetDirections, false);
	}
	else
	{
		m_pfrmDirections->Close();
	}
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief One of the get directions accelerators has been pressed.
/// Toggle the map directions off, then on
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnMapGetDirectionsAccel(wxCommandEvent & event)
{
	if (m_menuMap->IsChecked(idMapGetDirections))
	{
		// first uncheck
		m_menuMap->Check(idMapGetDirections, 0);
		OnMapGetDirections(event);
	}

	// now check
	m_menuMap->Check(idMapGetDirections, 1);
	OnMapGetDirections(event);
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief User pressed left arrow key - move map to the left
///
//////////////////////////////////////////////////////////////////////////////
void MapFrame::OnMapMoveCenterLeft(wxCommandEvent & event)
{
	m_ctlMap->MoveCenterLeft();
}