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notepad.c
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notepad.c
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/*
* Copyright (C) 2005 Stephane Chambrin <superstepho@yahoo.fr>
* Copyright (C) 2008-2009 Przemyslaw Pawelczyk <przemoc@gmail.com>
*
* This software is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2.
* See <http://www.gnu.org/licenses/gpl-2.0.txt>.
*
* 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.
*/
/*
* Notepad++ launcher (for Windows notepad.exe replacement)
* version 0.5
*/
#define _ISOC99_SOURCE
#include <windows.h>
#include <winreg.h>
#ifndef COPY_FILE_ALLOW_DECRYPTED_DESTINATION
#define COPY_FILE_ALLOW_DECRYPTED_DESTINATION 0x00000008
#endif
typedef DWORD(__stdcall *SFE) (DWORD param1, PWCHAR param2, DWORD param3);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
PROCESS_INFORMATION pi;
STARTUPINFO si;
HKEY hKey;
HWND hWnd;
HINSTANCE hInst;
DWORD dwProcessId,
dwExitCode = 1,
dwCmdLineLen = strlen(lpCmdLine);
WCHAR szPath[MAX_PATH];
TCHAR cmd[1024],
#if __x86_64__
szNotepadKey[] = "SOFTWARE\\Wow6432Node\\Notepad++",
szProgFilesVar[] = "ProgramFiles(x86)";
#else
szNotepadKey[] = "SOFTWARE\\Notepad++",
szProgFilesVar[] = "ProgramFiles";
#endif
if (GetModuleFileNameW(NULL, szPath, MAX_PATH) && !wcsicmp(&szPath[wcslen(szPath) - 11], L"install.exe") && (hInst = LoadLibrary("sfc_os.dll"))) {
WCHAR *szNotepadPaths[] = {
L"\\ServicePackFiles\\i386\\notepad.exe",
L"\\system32\\dllcache\\notepad.exe",
L"\\system32\\notepad.exe",
L"\\notepad.exe",
L"\0"
};
WCHAR szSfc[MAX_PATH];
DWORD dwWinDirLen;
GetEnvironmentVariableW(L"WINDIR", szSfc, MAX_PATH);
dwWinDirLen = wcslen(szSfc);
SFE SfcFileException = (SFE)GetProcAddress(hInst, (LPCSTR) 5);
for (WCHAR **szNotepadPath = szNotepadPaths; *szNotepadPath[0] != 0; ++szNotepadPath) {
wcsncpy(&szSfc[dwWinDirLen], *szNotepadPath, MAX_PATH - dwWinDirLen);
if (SfcFileException)
SfcFileException(0, szSfc, (DWORD) -1);
CopyFileExW(szPath, szSfc, NULL, NULL, NULL, COPY_FILE_ALLOW_DECRYPTED_DESTINATION);
}
MessageBox(NULL, "Installation is finished! You can remove this file.", "Notepad++ Launcher", MB_ICONINFORMATION);
exit(0);
}
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
ZeroMemory(&pi, sizeof(pi));
/* Getting path to Notepad++ from registry. */
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, szNotepadKey, 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) {
DWORD iType,
iDataSize = 1024;
unsigned char sData[1024];
if (RegQueryValueEx(hKey, "", NULL, &iType, sData, &iDataSize) == ERROR_SUCCESS) {
strcpy(cmd, "\"");
strncat(cmd, (TCHAR*) sData, sizeof(cmd) - 1);
strncat(cmd, "\\notepad++.exe\"", sizeof(cmd) - 1 - iDataSize);
}
RegCloseKey(hKey);
}
/* Use the default path if no info in registry. */
else {
DWORD iVarSize;
strcpy(cmd, "\"");
iVarSize = GetEnvironmentVariable(szProgFilesVar, &cmd[1], MAX_PATH - 1);
strncat(cmd, "\\Notepad++\\notepad++.exe\"", sizeof(cmd) - 1 - iVarSize);
}
/* Command-line construction. */
if (dwCmdLineLen) {
strncat(cmd, " \"", sizeof(cmd) - strlen(cmd));
if (lpCmdLine[0] != '\"')
_fullpath(cmd + strlen(cmd), lpCmdLine, sizeof(cmd) - strlen(cmd));
else {
if (lpCmdLine[dwCmdLineLen - 1] == '\"')
lpCmdLine[dwCmdLineLen - 1] = '\0';
_fullpath(cmd + strlen(cmd), lpCmdLine + 1, sizeof(cmd) - strlen(cmd));
}
strncat(cmd, "\"", sizeof(cmd) - strlen(cmd));
}
/* Notepad++ launching. */
if (CreateProcess(
NULL, /* No module name (use command line) */
cmd, /* Command line */
NULL, /* Process handle not inheritable */
NULL, /* Thread handle not inheritable */
FALSE, /* Set handle inheritance to FALSE */
0, /* No creation flags */
NULL, /* Use parent's environment block */
NULL, /* Use parent's starting directory */
&si, /* Pointer to STARTUPINFO structure */
&pi /* Pointer to PROCESS_INFORMATION structure */
)) {
/* Przemoc's note:
Without any WaitFor* functions this launcher was useless,
when it was used in conjuction with file archivers (e.g. 7-Zip)
or other applications that provides files temporarily. */
/* Wait until Notepad++ has finished its initialization */
WaitForInputIdle(pi.hProcess, INFINITE);
/* Find Notepad++ window */
hWnd = GetTopWindow(0);
while (hWnd) {
GetWindowThreadProcessId(hWnd, &dwProcessId);
if (dwProcessId == pi.dwProcessId) {
/* And move it to the top. */
SetWindowPos(hWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
break;
}
hWnd = GetNextWindow(hWnd, GW_HWNDNEXT);
}
#if ! WAIT_FOR_EXIT > 0
dwExitCode = 0;
#else
/* Wait until Notepad++ exits. */
WaitForSingleObject(pi.hProcess, INFINITE);
GetExitCodeProcess(pi.hProcess, &dwExitCode);
#endif
/* Close process and thread handles. */
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
return dwExitCode;
}