// Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
//
// This file is part of the VNC system.
//
// The VNC system is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
// If the source code for the VNC system is not available from the place
// whence you received this file, check http://www.uk.research.att.com/vnc or contact
// the authors on vnc@uk.research.att.com for information on obtaining it.
// vncConnDialog.cpp: implementation of the vncConnDialog class, used
// to forge outgoing connections to VNC-viewer
#include "stdhdrs.h"
#include "vncConnDialog.h"
#include "WinVNC.h"
#include "resource.h"
// Constructor
vncConnDialog::vncConnDialog(vncServer *server)
{
m_server = server;
}
// Destructor
vncConnDialog::~vncConnDialog()
{
}
// Routine called to activate the dialog and, once it's done, delete it
void vncConnDialog::DoDialog()
{
DialogBoxParam(hAppInstance, MAKEINTRESOURCE(IDD_OUTGOING_CONN),
NULL, (DLGPROC) vncConnDlgProc, (LONG) this);
delete this;
}
// Callback function - handles messages sent to the dialog box
BOOL CALLBACK vncConnDialog::vncConnDlgProc(HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam) {
// This is a static method, so we don't know which instantiation we're
// dealing with. But we can get a pseudo-this from the parameter to
// WM_INITDIALOG, which we therafter store with the window and retrieve
// as follows:
vncConnDialog *_this = (vncConnDialog *) GetWindowLong(hwnd, GWL_USERDATA);
switch (uMsg) {
// Dialog has just been created
case WM_INITDIALOG:
{
// Save the lParam into our user data so that subsequent calls have
// access to the parent C++ object
SetWindowLong(hwnd, GWL_USERDATA, lParam);
vncConnDialog *_this = (vncConnDialog *) lParam;
// Return success!
return TRUE;
}
// Dialog has just received a command
case WM_COMMAND:
switch (LOWORD(wParam)) {
// User clicked OK or pressed return
case IDOK:
char hostname[_MAX_PATH];
// Get the hostname of the VNCviewer
GetDlgItemText(hwnd, IDC_HOSTNAME_EDIT, hostname, _MAX_PATH);
// Attempt to create a new socket
VSocket *tmpsock;
tmpsock = new VSocket;
if (!tmpsock)
return TRUE;
// Connect out to the specified host on the VNCviewer listen port
// To be really good, we should allow a display number here but
// for now we'll just assume we're connecting to display zero
tmpsock->Create();
if (tmpsock->Connect(hostname, INCOMING_PORT_OFFSET)) {
// Add the new client to this server
_this->m_server->AddClient(tmpsock, TRUE, TRUE);
// And close the dialog
EndDialog(hwnd, TRUE);
} else {
// Print up an error message
MessageBox(NULL,
"Failed to connect to listening VNC viewer",
"Outgoing Connection",
MB_OK | MB_ICONEXCLAMATION );
delete tmpsock;
}
return TRUE;
// Cancel the dialog
case IDCANCEL:
EndDialog(hwnd, FALSE);
return TRUE;
};
break;
case WM_DESTROY:
EndDialog(hwnd, FALSE);
return TRUE;
}
return 0;
}