reactos/base/shell/explorer/utility/utility.cpp
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS]
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

536 lines
12 KiB
C++

/*
* Copyright 2003, 2004, 2005 Martin Fuchs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Explorer clone
//
// utility.cpp
//
// Martin Fuchs, 23.07.2003
//
#include <precomp.h>
//#include <shellapi.h>
#include <time.h>
#include <sstream>
DWORD WINAPI Thread::ThreadProc(void* para)
{
Thread* pThis = (Thread*) para;
int ret = pThis->Run();
pThis->_alive = false;
return ret;
}
void CenterWindow(HWND hwnd)
{
RECT rt, prt;
GetWindowRect(hwnd, &rt);
DWORD style;
HWND owner = 0;
for(HWND wh=hwnd; (wh=GetWindow(wh,GW_OWNER))!=0; )
if (((style=GetWindowStyle(wh))&WS_VISIBLE) && !(style&WS_MINIMIZE))
{owner=wh; break;}
if (owner)
GetWindowRect(owner, &prt);
else
SystemParametersInfo(SPI_GETWORKAREA, 0, &prt, 0); //@@ GetDesktopWindow() wäre auch hilfreich.
SetWindowPos(hwnd, 0, (prt.left+prt.right+rt.left-rt.right)/2,
(prt.top+prt.bottom+rt.top-rt.bottom)/2, 0,0, SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOZORDER);
MoveVisible(hwnd);
}
void MoveVisible(HWND hwnd)
{
RECT rc;
GetWindowRect(hwnd, &rc);
int left=rc.left, top=rc.top;
int xmax = GetSystemMetrics(SM_CXSCREEN);
int ymax = GetSystemMetrics(SM_CYSCREEN);
if (rc.left < 0)
rc.left = 0;
else if (rc.right > xmax)
if ((rc.left-=rc.right-xmax) < 0)
rc.left = 0;
if (rc.top < 0)
rc.top = 0;
else if (rc.bottom > ymax)
if ((rc.top-=rc.bottom-ymax) < 0)
rc.top = 0;
if (rc.left!=left || rc.top!=top)
SetWindowPos(hwnd, 0, rc.left,rc.top, 0,0, SWP_NOZORDER|SWP_NOSIZE|SWP_NOACTIVATE);
}
void display_error(HWND hwnd, DWORD error) //@@ CONTEXT mit ausgeben -> display_error(HWND hwnd, const Exception& e)
{
PTSTR msg;
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
0, error, MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT), (PTSTR)&msg, 0, NULL)) {
LOG(FmtString(TEXT("display_error(%#x): %s"), error, msg));
SetLastError(0);
MessageBox(hwnd, msg, TEXT("ROS Explorer"), MB_OK);
if (GetLastError() == ERROR_INVALID_WINDOW_HANDLE)
MessageBox(0, msg, TEXT("ROS Explorer"), MB_OK);
} else {
LOG(FmtString(TEXT("Unknown Error %#x"), error));
FmtString msg(TEXT("Unknown Error %#x"), error);
SetLastError(0);
MessageBox(hwnd, msg, TEXT("ROS Explorer"), MB_OK);
if (GetLastError() == ERROR_INVALID_WINDOW_HANDLE)
MessageBox(0, msg, TEXT("ROS Explorer"), MB_OK);
}
LocalFree(msg);
}
Context Context::s_main("-NO-CONTEXT-");
Context* Context::s_current = &Context::s_main;
String Context::toString() const
{
String str = _ctx;
if (!_obj.empty())
str.appendf(TEXT("\nObject: %s"), (LPCTSTR)_obj);
return str;
}
String Context::getStackTrace() const
{
ostringstream str;
str << "Context Trace:\n";
for(const Context*p=this; p && p!=&s_main; p=p->_last) {
str << "- " << p->_ctx;
if (!p->_obj.empty())
str << " obj=" << ANS(p->_obj);
str << '\n';
}
return str.str();
}
BOOL time_to_filetime(const time_t* t, FILETIME* ftime)
{
#if defined(__STDC_WANT_SECURE_LIB__) && defined(_MS_VER)
SYSTEMTIME stime;
struct tm tm_;
struct tm* tm = &tm_;
if (gmtime_s(tm, t) != 0)
return FALSE;
#else
struct tm* tm = gmtime(t);
SYSTEMTIME stime;
if (!tm)
return FALSE;
#endif
stime.wYear = tm->tm_year+1900;
stime.wMonth = tm->tm_mon+1;
stime.wDayOfWeek = (WORD)-1;
stime.wDay = tm->tm_mday;
stime.wHour = tm->tm_hour;
stime.wMinute = tm->tm_min;
stime.wSecond = tm->tm_sec;
stime.wMilliseconds = 0;
return SystemTimeToFileTime(&stime, ftime);
}
BOOL launch_file(HWND hwnd, LPCTSTR cmd, UINT nCmdShow, LPCTSTR parameters)
{
CONTEXT("launch_file()");
HINSTANCE hinst = ShellExecute(hwnd, NULL/*operation*/, cmd, parameters, NULL/*dir*/, nCmdShow);
if ((int)hinst <= 32) {
display_error(hwnd, GetLastError());
return FALSE;
}
return TRUE;
}
#ifdef UNICODE
BOOL launch_fileA(HWND hwnd, LPSTR cmd, UINT nCmdShow, LPCSTR parameters)
{
HINSTANCE hinst = ShellExecuteA(hwnd, NULL/*operation*/, cmd, parameters, NULL/*dir*/, nCmdShow);
if ((int)hinst <= 32) {
display_error(hwnd, GetLastError());
return FALSE;
}
return TRUE;
}
#endif
/* search for already running instance */
static int g_foundPrevInstance = 0;
static BOOL CALLBACK EnumWndProc(HWND hwnd, LPARAM lparam)
{
TCHAR cls[128];
GetClassName(hwnd, cls, 128);
if (!lstrcmp(cls, (LPCTSTR)lparam)) {
g_foundPrevInstance++;
return FALSE;
}
return TRUE;
}
/* search for window of given class name to allow only one running instance */
int find_window_class(LPCTSTR classname)
{
EnumWindows(EnumWndProc, (LPARAM)classname);
if (g_foundPrevInstance)
return 1;
return 0;
}
String get_windows_version_str()
{
OSVERSIONINFOEX osvi = {sizeof(OSVERSIONINFOEX)};
BOOL osvie_val;
String str;
if (!(osvie_val = GetVersionEx((OSVERSIONINFO*)&osvi))) {
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (!GetVersionEx((OSVERSIONINFO*)&osvi))
return TEXT("???");
}
switch(osvi.dwPlatformId) {
case VER_PLATFORM_WIN32_NT:
#ifdef __REACTOS__ // This work around can be removed if ReactOS gets a unique version number.
str = TEXT("ReactOS");
#else
if (osvi.dwMajorVersion <= 4)
str = TEXT("Microsoft Windows NT");
else if (osvi.dwMajorVersion==5 && osvi.dwMinorVersion==0)
str = TEXT("Microsoft Windows 2000");
else if (osvi.dwMajorVersion==5 && osvi.dwMinorVersion==1)
str = TEXT("Microsoft Windows XP");
#endif
if (osvie_val) {
if (osvi.wProductType == VER_NT_WORKSTATION) {
if (osvi.wSuiteMask & VER_SUITE_PERSONAL)
str += TEXT(" Personal");
else
str += TEXT(" Professional");
} else if (osvi.wProductType == VER_NT_SERVER) {
if (osvi.wSuiteMask & VER_SUITE_DATACENTER)
str += TEXT(" DataCenter Server");
else if (osvi.wSuiteMask & VER_SUITE_ENTERPRISE)
str += TEXT(" Advanced Server");
else
str += TEXT(" Server");
} else if (osvi.wProductType == VER_NT_DOMAIN_CONTROLLER) {
str += TEXT(" Domain Controller");
}
} else {
TCHAR type[80];
DWORD dwBufLen;
HKEY hkey;
if (!RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SYSTEM\\CurrentControlSet\\Control\\ProductOptions"), 0, KEY_QUERY_VALUE, &hkey)) {
RegQueryValueEx(hkey, TEXT("ProductType"), NULL, NULL, (LPBYTE)type, &dwBufLen);
RegCloseKey(hkey);
if (!_tcsicmp(TEXT("WINNT"), type))
str += TEXT(" Workstation");
else if (!_tcsicmp(TEXT("LANMANNT"), type))
str += TEXT(" Server");
else if (!_tcsicmp(TEXT("SERVERNT"), type))
str += TEXT(" Advanced Server");
}
}
break;
case VER_PLATFORM_WIN32_WINDOWS:
if (osvi.dwMajorVersion>4 ||
(osvi.dwMajorVersion==4 && osvi.dwMinorVersion>0)) {
if (osvi.dwMinorVersion == 90)
str = TEXT("Microsoft Windows ME");
else
str = TEXT("Microsoft Windows 98");
if (osvi.szCSDVersion[1] == 'A')
str += TEXT(" SE");
} else {
str = TEXT("Microsoft Windows 95");
if (osvi.szCSDVersion[1]=='B' || osvi.szCSDVersion[1]=='C')
str += TEXT(" OSR2");
}
break;
case VER_PLATFORM_WIN32s:
str = TEXT("Microsoft Win32s");
default:
return TEXT("???");
}
String vstr;
if (osvi.dwMajorVersion <= 4)
vstr.printf(TEXT(" Version %d.%d %s Build %d"),
osvi.dwMajorVersion, osvi.dwMinorVersion,
osvi.szCSDVersion, osvi.dwBuildNumber&0xFFFF);
else
vstr.printf(TEXT(" %s (Build %d)"), osvi.szCSDVersion, osvi.dwBuildNumber&0xFFFF);
return str + vstr;
}
typedef void (WINAPI*RUNDLLPROC)(HWND hwnd, HINSTANCE hinst, LPCTSTR cmdline, DWORD nCmdShow);
BOOL RunDLL(HWND hwnd, LPCTSTR dllname, LPCSTR procname, LPCTSTR cmdline, UINT nCmdShow)
{
HMODULE hmod = LoadLibrary(dllname);
if (!hmod)
return FALSE;
/*TODO
<Windows NT/2000>
It is possible to create a Unicode version of the function.
Rundll32 first tries to find a function named EntryPointW.
If it cannot find this function, it tries EntryPointA, then EntryPoint.
To create a DLL that supports ANSI on Windows 95/98/Me and Unicode otherwise,
export two functions: EntryPointW and EntryPoint.
*/
RUNDLLPROC proc = (RUNDLLPROC)GetProcAddress(hmod, procname);
if (!proc) {
FreeLibrary(hmod);
return FALSE;
}
proc(hwnd, hmod, cmdline, nCmdShow);
FreeLibrary(hmod);
return TRUE;
}
#ifdef UNICODE
#define CONTROL_RUNDLL "Control_RunDLLW"
#else
#define CONTROL_RUNDLL "Control_RunDLLA"
#endif
BOOL launch_cpanel(HWND hwnd, LPCTSTR applet)
{
TCHAR parameters[MAX_PATH];
_tcscpy(parameters, TEXT("shell32.dll,Control_RunDLL "));
_tcscat(parameters, applet);
return ((int)ShellExecute(hwnd, TEXT("open"), TEXT("rundll32.exe"), parameters, NULL, SW_SHOWDEFAULT) > 32);
}
BOOL RecursiveCreateDirectory(LPCTSTR path_in)
{
TCHAR path[MAX_PATH], hole_path[MAX_PATH];
_tcscpy(hole_path, path_in);
int drv_len = 0;
LPCTSTR d;
for(d=hole_path; *d && *d!='/' && *d!='\\'; ++d) {
++drv_len;
if (*d == ':')
break;
}
LPTSTR dir = hole_path + drv_len;
int l;
LPTSTR p = hole_path + (l=_tcslen(hole_path));
while(--p>=hole_path && (*p=='/' || *p=='\\'))
*p = '\0';
WIN32_FIND_DATA w32fd;
HANDLE hFind = FindFirstFile(hole_path, &w32fd);
if (hFind == INVALID_HANDLE_VALUE) {
_tcsncpy(path, hole_path, drv_len);
int i = drv_len;
for(p=dir; *p=='/'||*p=='\\'; p++)
path[i++] = *p++;
for(; i<l; i++) {
memcpy(path, hole_path, i*sizeof(TCHAR));
for(; hole_path[i] && hole_path[i]!='/' && hole_path[i]!='\\'; i++)
path[i] = hole_path[i];
path[i] = '\0';
hFind = FindFirstFile(path, &w32fd);
if (hFind != INVALID_HANDLE_VALUE)
FindClose(hFind);
else {
LOG(FmtString(TEXT("CreateDirectory(\"%s\")"), path));
if (!CreateDirectory(path, 0))
return FALSE;
}
}
} else
FindClose(hFind);
return TRUE;
}
DWORD RegGetDWORDValue(HKEY root, LPCTSTR path, LPCTSTR valueName, DWORD def)
{
HKEY hkey;
DWORD ret;
if (!RegOpenKey(root, path, &hkey)) {
DWORD len = sizeof(ret);
if (RegQueryValueEx(hkey, valueName, 0, NULL, (LPBYTE)&ret, &len))
ret = def;
RegCloseKey(hkey);
return ret;
} else
return def;
}
BOOL RegSetDWORDValue(HKEY root, LPCTSTR path, LPCTSTR valueName, DWORD value)
{
HKEY hkey;
BOOL ret = FALSE;
if (!RegOpenKey(root, path, &hkey)) {
ret = RegSetValueEx(hkey, valueName, 0, REG_DWORD, (LPBYTE)&value, sizeof(value));
RegCloseKey(hkey);
}
return ret;
}
BOOL exists_path(LPCTSTR path)
{
WIN32_FIND_DATA fd;
HANDLE hfind = FindFirstFile(path, &fd);
if (hfind != INVALID_HANDLE_VALUE) {
FindClose(hfind);
return TRUE;
} else
return FALSE;
}
bool SplitFileSysURL(LPCTSTR url, String& dir_out, String& fname_out)
{
if (!_tcsnicmp(url, TEXT("file://"), 7)) {
url += 7;
// remove third slash in front of drive characters
if (*url == '/')
++url;
}
if (exists_path(url)) {
TCHAR path[_MAX_PATH];
// convert slashes to back slashes
GetFullPathName(url, COUNTOF(path), path, NULL);
if (GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY)
fname_out.erase();
else {
TCHAR drv[_MAX_DRIVE], dir[_MAX_DIR], fname[_MAX_FNAME], ext[_MAX_EXT];
_tsplitpath_s(path, drv, COUNTOF(drv), dir, COUNTOF(dir), fname, COUNTOF(fname), ext, COUNTOF(ext));
_stprintf(path, TEXT("%s%s"), drv, dir);
fname_out.printf(TEXT("%s%s"), fname, ext);
}
dir_out = path;
return true;
} else
return false;
}