vncviewer.cpp

来自「teamviewer source code vc++」· C++ 代码 · 共 116 行

//  Copyright (C) 2006 Teamviewer GmbH. All Rights Reserved.
//  Copyright (C) 2002 Ultr@VNC Team Members. All Rights Reserved.
//  Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
//
//  This file is part of TeamViewer.
//
//  TeamViewer 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 TeamViewer is not available from the place 
//  whence you received this file, check http://www.teamviewer.com
//  for information on obtaining it.


#include "stdhdrs.h"
#include "vncviewer.h"
#include "..\..\Winvnc\Winvnc\Localization.h"

// All logging is done via the log object
//Log vnclog;

bool command_line=true;
bool g_passwordfailed=true;

// Accelerator Keys
AccelKeys TheAccelKeys;

// Move the given window to the centre of the screen
// and bring it to the top.
void CentreWindow(HWND hwnd)
{
	RECT winrect, workrect;
	
	// Find how large the desktop work area is
	SystemParametersInfo(SPI_GETWORKAREA, 0, &workrect, 0);
	int workwidth = workrect.right -  workrect.left;
	int workheight = workrect.bottom - workrect.top;
	
	// And how big the window is
	GetWindowRect(hwnd, &winrect);
	int winwidth = winrect.right - winrect.left;
	int winheight = winrect.bottom - winrect.top;
	// Make sure it's not bigger than the work area
	winwidth = min(winwidth, workwidth);
	winheight = min(winheight, workheight);

	int posX = workrect.left + (workwidth-winwidth) / 2; 
	int posY = workrect.top + (workheight-winheight) / 2; 
	// Now centre it
	SetWindowPos(hwnd, 
		HWND_TOP,
		posX,
		posY,
		winwidth, winheight, 
		SWP_SHOWWINDOW);
	SetForegroundWindow(hwnd);
}


// sf@2002 - TightVNC method - RealVNC method
// Convert "host:display" or "host::port" or "host:port" if port > 100, into host and port
// Returns true if valid format, false if not.
// Takes initial string, addresses of results and size of host buffer in wchars.
// If the display info passed in is longer than the size of the host buffer, it
// is assumed to be invalid, so false is returned.
bool ParseDisplay(LPTSTR display, LPTSTR phost, int hostlen, int *pport) 
{
    if (hostlen < (int)_tcslen(display))
        return false;

    int tmp_port;
    TCHAR *colonpos = _tcschr(display, L':');
    if (colonpos == NULL)
	{
		// No colon -- use default port number
        tmp_port = RFB_PORT_OFFSET;
		_tcsncpy(phost, display, MAX_HOST_NAME_LEN);
	}
	else
	{
		_tcsncpy(phost, display, colonpos - display);
		phost[colonpos - display] = L'\0';
		if (colonpos[1] == L':') {
			// Two colons -- interpret as a port number
			if (_stscanf(colonpos + 2, TEXT("%d"), &tmp_port) != 1) 
				return false;
		}
		else
		{
			// One colon -- interpret as a display number or port number
			if (_stscanf(colonpos + 1, TEXT("%d"), &tmp_port) != 1) 
				return false;

			// RealVNC method - If port < 100 interpret as display number else as Port number
			if (tmp_port < 100)
				tmp_port += RFB_PORT_OFFSET;
		}
	}
    *pport = tmp_port;
    return true;
}