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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// Win32Util.cxx
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <rfb_win32/ModuleFileName.h>
#include <rfb_win32/Win32Util.h>
#include <rfb_win32/MonitorInfo.h>
#include <rfb_win32/Handle.h>
#include <rdr/HexOutStream.h>
#include <rdr/Exception.h>
#include <stdio.h>
namespace rfb {
namespace win32 {
FileVersionInfo::FileVersionInfo(const TCHAR* filename) {
// Get executable name
ModuleFileName exeName;
if (!filename)
filename = exeName.buf;
// Attempt to open the file, to cause Access Denied, etc, errors
// to be correctly reported, since the GetFileVersionInfoXXX calls lie...
{
Handle file(CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0));
if (file.h == INVALID_HANDLE_VALUE)
throw rdr::SystemException("Failed to open file", GetLastError());
}
// Get version info size
DWORD handle;
int size = GetFileVersionInfoSize((TCHAR*)filename, &handle);
if (!size)
throw rdr::SystemException("GetVersionInfoSize failed", GetLastError());
// Get version info
buf = new TCHAR[size];
if (!GetFileVersionInfo((TCHAR*)filename, handle, size, buf))
throw rdr::SystemException("GetVersionInfo failed", GetLastError());
}
const TCHAR* FileVersionInfo::getVerString(const TCHAR* name, DWORD langId) {
uint8_t langIdBuf[sizeof(langId)];
for (int i=sizeof(langIdBuf)-1; i>=0; i--) {
langIdBuf[i] = (langId & 0xff);
langId = langId >> 8;
}
TCharArray langIdStr(binToHex(langIdBuf, sizeof(langId)));
TCharArray infoName(_tcslen(_T("StringFileInfo")) + 4 + _tcslen(name) + _tcslen(langIdStr.buf));
_stprintf(infoName.buf, _T("\\StringFileInfo\\%s\\%s"), langIdStr.buf, name);
// Locate the required version string within the version info
TCHAR* buffer = 0;
UINT length = 0;
if (!VerQueryValue(buf, infoName.buf, (void**)&buffer, &length)) {
printf("unable to find %s version string", infoName.buf);
throw rdr::Exception("VerQueryValue failed");
}
return buffer;
}
bool splitPath(const TCHAR* path, TCHAR** dir, TCHAR** file) {
return tstrSplit(path, '\\', dir, file, true);
}
void centerWindow(HWND handle, HWND parent) {
RECT r;
MonitorInfo mi(parent ? parent : handle);
if (!parent || !IsWindowVisible(parent) || !GetWindowRect(parent, &r))
r=mi.rcWork;
centerWindow(handle, r);
mi.clipTo(handle);
}
void centerWindow(HWND handle, const RECT& r) {
RECT wr;
if (!GetWindowRect(handle, &wr)) return;
int w = wr.right-wr.left;
int h = wr.bottom-wr.top;
int x = (r.left + r.right - w)/2;
int y = (r.top + r.bottom - h)/2;
UINT flags = SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOSIZE;
SetWindowPos(handle, 0, x, y, 0, 0, flags);
}
void resizeWindow(HWND handle, int width, int height) {
RECT r;
GetWindowRect(handle, &r);
SetWindowPos(handle, 0, 0, 0, width, height, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE);
centerWindow(handle, r);
}
};
};
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