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https://github.com/kasmtech/KasmVNC.git
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116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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// Win32Util.cxx
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#include <rfb_win32/ModuleFileName.h>
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#include <rfb_win32/Win32Util.h>
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#include <rfb_win32/MonitorInfo.h>
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#include <rfb_win32/Handle.h>
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#include <rdr/HexOutStream.h>
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#include <rdr/Exception.h>
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#include <stdio.h>
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namespace rfb {
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namespace win32 {
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FileVersionInfo::FileVersionInfo(const TCHAR* filename) {
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// Get executable name
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ModuleFileName exeName;
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if (!filename)
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filename = exeName.buf;
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// Attempt to open the file, to cause Access Denied, etc, errors
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// to be correctly reported, since the GetFileVersionInfoXXX calls lie...
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{
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Handle file(CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0));
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if (file.h == INVALID_HANDLE_VALUE)
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throw rdr::SystemException("Failed to open file", GetLastError());
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}
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// Get version info size
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DWORD handle;
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int size = GetFileVersionInfoSize((TCHAR*)filename, &handle);
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if (!size)
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throw rdr::SystemException("GetVersionInfoSize failed", GetLastError());
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// Get version info
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buf = new TCHAR[size];
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if (!GetFileVersionInfo((TCHAR*)filename, handle, size, buf))
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throw rdr::SystemException("GetVersionInfo failed", GetLastError());
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}
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const TCHAR* FileVersionInfo::getVerString(const TCHAR* name, DWORD langId) {
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char langIdBuf[sizeof(langId)];
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for (int i=sizeof(langIdBuf)-1; i>=0; i--) {
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langIdBuf[i] = (char) (langId & 0xff);
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langId = langId >> 8;
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}
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TCharArray langIdStr(rdr::HexOutStream::binToHexStr(langIdBuf, sizeof(langId)));
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TCharArray infoName(_tcslen(_T("StringFileInfo")) + 4 + _tcslen(name) + _tcslen(langIdStr.buf));
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_stprintf(infoName.buf, _T("\\StringFileInfo\\%s\\%s"), langIdStr.buf, name);
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// Locate the required version string within the version info
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TCHAR* buffer = 0;
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UINT length = 0;
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if (!VerQueryValue(buf, infoName.buf, (void**)&buffer, &length)) {
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printf("unable to find %s version string", infoName.buf);
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throw rdr::Exception("VerQueryValue failed");
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}
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return buffer;
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}
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bool splitPath(const TCHAR* path, TCHAR** dir, TCHAR** file) {
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return tstrSplit(path, '\\', dir, file, true);
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}
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void centerWindow(HWND handle, HWND parent) {
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RECT r;
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MonitorInfo mi(parent ? parent : handle);
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if (!parent || !IsWindowVisible(parent) || !GetWindowRect(parent, &r))
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r=mi.rcWork;
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centerWindow(handle, r);
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mi.clipTo(handle);
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}
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void centerWindow(HWND handle, const RECT& r) {
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RECT wr;
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if (!GetWindowRect(handle, &wr)) return;
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int w = wr.right-wr.left;
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int h = wr.bottom-wr.top;
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int x = (r.left + r.right - w)/2;
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int y = (r.top + r.bottom - h)/2;
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UINT flags = SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOSIZE;
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SetWindowPos(handle, 0, x, y, 0, 0, flags);
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}
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void resizeWindow(HWND handle, int width, int height) {
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RECT r;
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GetWindowRect(handle, &r);
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SetWindowPos(handle, 0, 0, 0, width, height, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE);
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centerWindow(handle, r);
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}
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};
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};
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