khanat-opennel-code/code/nel/src/misc/system_utils.cpp

792 lines
18 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdmisc.h"
#include "nel/misc/system_utils.h"
#ifdef NL_OS_WINDOWS
#define INITGUID
#include <ddraw.h>
#include <windows.h>
#include <string.h>
#include <stdio.h>
#include <dxgi.h>
#include <initguid.h>
#include <CGuid.h>
# include <ObjBase.h>
# ifdef _WIN32_WINNT_WIN7
// only supported by Windows 7 Platform SDK
# include <ShObjIdl.h>
# define TASKBAR_PROGRESS 1
# endif
#elif defined(NL_OS_UNIX) && !defined(NL_OS_MAC)
#include "nel/misc/file.h"
#endif
#ifdef DEBUG_NEW
#define new DEBUG_NEW
#endif
using namespace std;
// Key in registry
static string RootKey;
static const uint32 KeyMaxLength = 1024;
namespace NLMISC {
nlWindow CSystemUtils::s_window = EmptyWindow;
bool CSystemUtils::init()
{
#ifdef NL_OS_WINDOWS
// initialize COM
HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
if (FAILED(hr)) return false;
#endif
return true;
}
bool CSystemUtils::uninit()
{
#ifdef NL_OS_WINDOWS
// uninitialize COM
CoUninitialize();
#endif
return true;
}
void CSystemUtils::setWindow(nlWindow window)
{
s_window = window;
}
bool CSystemUtils::updateProgressBar(uint value, uint total)
{
#ifdef TASKBAR_PROGRESS
if (s_window == NULL)
{
nlwarning("No window has be set with CSystemUtils::setWindow(), progress bar can't be displayed");
return false;
}
ITaskbarList3 *pTaskbarList = NULL;
// instanciate the taskbar control COM object
HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pTaskbarList));
// error can be ignored because Windows versions before Windows 7 doesn't support it
if (FAILED(hr) || !pTaskbarList) return false;
if (total)
{
// update the taskbar progress
hr = pTaskbarList->SetProgressValue(s_window, (ULONGLONG)value, (ULONGLONG)total);
}
else
{
// don't update anymore the progress
hr = pTaskbarList->SetProgressState(s_window, value == 0 ? TBPF_INDETERMINATE:TBPF_NOPROGRESS);
}
// release the interface
pTaskbarList->Release();
#endif // TASKBAR_PROGRESS
return true;
}
bool CSystemUtils::copyTextToClipboard(const ucstring &text)
{
if (!text.size()) return false;
bool res = false;
#ifdef NL_OS_WINDOWS
if (OpenClipboard(NULL))
{
// check if unicode format is supported by clipboard
bool isUnicode = (IsClipboardFormatAvailable(CF_UNICODETEXT) == TRUE);
// allocates a buffer to copy text in global memory
HGLOBAL mem = GlobalAlloc(GHND|GMEM_DDESHARE, (text.size()+1) * (isUnicode ? 2:1));
if (mem)
{
// create a lock on this buffer
void *hLock = GlobalLock(mem);
// copy text to this buffer
if (isUnicode)
wcscpy((wchar_t*)hLock, (const wchar_t*)text.c_str());
else
strcpy((char*)hLock, text.toString().c_str());
// unlock buffer
GlobalUnlock(mem);
// empty clipboard
EmptyClipboard();
// set new data to clipboard in the right format
SetClipboardData(isUnicode ? CF_UNICODETEXT:CF_TEXT, mem);
res = true;
}
CloseClipboard();
}
#endif
return res;
}
bool CSystemUtils::pasteTextFromClipboard(ucstring &text)
{
bool res = false;
#ifdef NL_OS_WINDOWS
if (OpenClipboard(NULL))
{
// check if unicode format is supported by clipboard
bool isUnicode = (IsClipboardFormatAvailable(CF_UNICODETEXT) == TRUE);
// get data from clipboard (if not of this type, they are converted)
// warning, this code can't be debuggued in VC++ IDE, hObj will be always NULL
HANDLE hObj = GetClipboardData(isUnicode ? CF_UNICODETEXT:CF_TEXT);
if (hObj)
{
// create a lock on clipboard data
void *hLock = GlobalLock(hObj);
if (hLock != NULL)
{
// retrieve clipboard data
if (isUnicode)
text = (const ucchar*)hLock;
else
text = (const char*)hLock;
// unlock data
GlobalUnlock(hObj);
res = true;
}
}
CloseClipboard();
}
#endif
return res;
}
bool CSystemUtils::supportUnicode()
{
static bool init = false;
static bool unicodeSupported = false;
if (!init)
{
init = true;
#ifdef NL_OS_WINDOWS
OSVERSIONINFO osvi;
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
// get Windows version
if (GetVersionEx(&osvi))
{
if (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
{
// unicode is supported since Windows NT 4.0
if (osvi.dwMajorVersion >= 4)
{
unicodeSupported = true;
}
}
}
#else
unicodeSupported = true;
#endif
}
return unicodeSupported;
}
bool CSystemUtils::isAzertyKeyboard()
{
#ifdef NL_OS_WINDOWS
uint16 klId = uint16((uintptr_t)GetKeyboardLayout(0) & 0xFFFF);
// 0x040c is French, 0x080c is Belgian
if (klId == 0x040c || klId == 0x080c)
return true;
#endif
return false;
}
bool CSystemUtils::isScreensaverEnabled()
{
bool res = false;
#ifdef NL_OS_WINDOWS
// old code, is not working anymore
// BOOL bRetValue;
// SystemParametersInfoA(SPI_GETSCREENSAVEACTIVE, 0, &bRetValue, 0);
// res = (bRetValue == TRUE);
HKEY hKeyScreenSaver = NULL;
LSTATUS lReturn = RegOpenKeyExA(HKEY_CURRENT_USER, TEXT("Control Panel\\Desktop"), 0, KEY_QUERY_VALUE, &hKeyScreenSaver);
if (lReturn == ERROR_SUCCESS)
{
DWORD dwType = 0L;
DWORD dwSize = KeyMaxLength;
unsigned char Buffer[KeyMaxLength] = {0};
lReturn = RegQueryValueExA(hKeyScreenSaver, TEXT("SCRNSAVE.EXE"), NULL, &dwType, NULL, &dwSize);
// if SCRNSAVE.EXE is present, check also if it's empty
if (lReturn == ERROR_SUCCESS)
res = (Buffer[0] != '\0');
}
RegCloseKey(hKeyScreenSaver);
#endif
return res;
}
bool CSystemUtils::enableScreensaver(bool screensaver)
{
bool res = false;
#ifdef NL_OS_WINDOWS
res = (SystemParametersInfoA(SPI_SETSCREENSAVEACTIVE, screensaver ? TRUE:FALSE, NULL, 0) == TRUE);
#endif
return res;
}
std::string CSystemUtils::getRootKey()
{
return RootKey;
}
void CSystemUtils::setRootKey(const std::string &root)
{
RootKey = root;
}
string CSystemUtils::getRegKey(const string &Entry)
{
string ret;
#ifdef NL_OS_WINDOWS
HKEY hkey;
if(RegOpenKeyEx(HKEY_CURRENT_USER, RootKey.c_str(), 0, KEY_READ, &hkey) == ERROR_SUCCESS)
{
DWORD dwType = 0L;
DWORD dwSize = KeyMaxLength;
unsigned char Buffer[KeyMaxLength];
if(RegQueryValueEx(hkey, Entry.c_str(), NULL, &dwType, Buffer, &dwSize) != ERROR_SUCCESS)
{
nlwarning("Can't get the reg key '%s'", Entry.c_str());
}
else
{
ret = (char*)Buffer;
}
RegCloseKey(hkey);
}
else
{
nlwarning("Can't get the reg key '%s'", Entry.c_str());
}
#endif
return ret;
}
bool CSystemUtils::setRegKey(const string &ValueName, const string &Value)
{
bool res = false;
#ifdef NL_OS_WINDOWS
HKEY hkey;
DWORD dwDisp;
char nstr[] = { 0x00 };
if (RegCreateKeyExA(HKEY_CURRENT_USER, RootKey.c_str(), 0, nstr, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &dwDisp) == ERROR_SUCCESS)
{
if (RegSetValueExA(hkey, ValueName.c_str(), 0L, REG_SZ, (const BYTE *)Value.c_str(), (DWORD)(Value.size())+1) == ERROR_SUCCESS)
res = true;
RegCloseKey(hkey);
}
else
{
nlwarning("Can't set the reg key '%s' '%s'", ValueName.c_str(), Value.c_str());
}
#endif
return res;
}
uint CSystemUtils::getCurrentColorDepth()
{
uint depth = 0;
#ifdef NL_OS_WINDOWS
HWND desktopWnd = GetDesktopWindow();
if (desktopWnd)
{
HDC desktopDC = GetWindowDC(desktopWnd);
if (desktopDC)
{
depth = (uint) GetDeviceCaps(desktopDC, BITSPIXEL);
ReleaseDC(desktopWnd, desktopDC);
}
}
#else
depth = 24; // temporary fix for compilation under Linux
/*
Display *display = XOpenDisplay(NULL);
if (display)
{
depth = (uint) DefaultDepth(display, DefaultScreen(display));
XCloseDisplay(display);
}
*/
#endif
return depth;
}
/// Detect whether the current process is a windowed application. Return true if definitely yes, false if unknown
bool CSystemUtils::detectWindowedApplication()
{
#ifdef NL_OS_WINDOWS
if (GetConsoleWindow() == NULL)
return true;
#endif
return false;
}
#ifdef NL_OS_WINDOWS
#ifndef SAFE_RELEASE
#define SAFE_RELEASE(p) { if (p) { (p)->Release(); (p) = NULL; } }
#endif
typedef HRESULT (WINAPI* LPDIRECTDRAWCREATE)(GUID FAR *lpGUID, LPDIRECTDRAW FAR *lplpDD, IUnknown FAR *pUnkOuter);
typedef HRESULT (WINAPI* LPCREATEDXGIFACTORY)(REFIID, void**);
static std::string FormatError(HRESULT hr)
{
std::string res;
LPTSTR errorText = NULL;
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, hr, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&errorText, 0, NULL);
if (errorText)
{
res = NLMISC::toString("%s (0x%x)", errorText, hr);
LocalFree(errorText);
errorText = NULL;
}
return res;
}
struct SAdapter
{
uint id;
std::string name;
sint memory;
GUID guid;
HMONITOR hMonitor;
bool found;
SAdapter()
{
id = 0;
memory = -1;
guid = GUID_NULL;
hMonitor = NULL;
found = false;
}
};
static std::list<SAdapter> s_dxgiAdapters;
static void EnumerateUsingDXGI(IDXGIFactory *pDXGIFactory)
{
nlassert(pDXGIFactory != NULL);
for(uint index = 0; ; ++index)
{
IDXGIAdapter *pAdapter = NULL;
HRESULT hr = pDXGIFactory->EnumAdapters(index, &pAdapter);
// DXGIERR_NOT_FOUND is expected when the end of the list is hit
if (FAILED(hr)) break;
DXGI_ADAPTER_DESC desc;
memset(&desc, 0, sizeof(DXGI_ADAPTER_DESC));
if (SUCCEEDED(pAdapter->GetDesc(&desc)))
{
SAdapter adapter;
adapter.id = index;
adapter.name = ucstring((ucchar*)desc.Description).toUtf8();
adapter.memory = desc.DedicatedVideoMemory / 1024;
adapter.found = true;
nldebug("DXGI Adapter: %u - %s - DedicatedVideoMemory: %d KiB", index, adapter.name.c_str(), adapter.memory);
s_dxgiAdapters.push_back(adapter);
}
SAFE_RELEASE(pAdapter);
}
}
BOOL WINAPI DDEnumCallbackEx(GUID FAR* lpGUID, LPSTR lpDriverDescription, LPSTR lpDriverName, LPVOID lpContext, HMONITOR hm)
{
SAdapter * pAdapter = (SAdapter*)lpContext;
if (pAdapter->hMonitor == hm)
{
pAdapter->name = lpDriverDescription;
pAdapter->guid = *lpGUID;
pAdapter->found = true;
}
return TRUE;
}
#endif
sint CSystemUtils::getTotalVideoMemory()
{
sint res = -1;
#if defined(NL_OS_WINDOWS)
// using DXGI
HINSTANCE hDXGI = LoadLibraryA("dxgi.dll");
if (hDXGI)
{
// We prefer the use of DXGI 1.1
LPCREATEDXGIFACTORY pCreateDXGIFactory = (LPCREATEDXGIFACTORY)GetProcAddress(hDXGI, "CreateDXGIFactory1");
if (!pCreateDXGIFactory)
{
pCreateDXGIFactory = (LPCREATEDXGIFACTORY)GetProcAddress(hDXGI, "CreateDXGIFactory");
}
if (pCreateDXGIFactory)
{
IDXGIFactory *pDXGIFactory = NULL;
HRESULT hr = pCreateDXGIFactory(__uuidof(IDXGIFactory), (LPVOID*)&pDXGIFactory);
if (SUCCEEDED(hr))
{
EnumerateUsingDXGI(pDXGIFactory);
SAFE_RELEASE(pDXGIFactory);
if (!s_dxgiAdapters.empty())
{
// TODO: determine what adapter is used by NeL
res = s_dxgiAdapters.front().memory;
}
else
{
nlwarning("Unable to find an DXGI adapter");
}
}
else
{
nlwarning("Unable to create DXGI factory");
}
}
else
{
nlwarning("dxgi.dll missing entry-point");
}
FreeLibrary(hDXGI);
}
if (res == -1)
{
// using DirectDraw
HMODULE hInstDDraw = LoadLibraryA("ddraw.dll");
if (hInstDDraw)
{
SAdapter adapter;
adapter.hMonitor = MonitorFromWindow(s_window, MONITOR_DEFAULTTONULL);
LPDIRECTDRAWENUMERATEEXA pDirectDrawEnumerateEx = (LPDIRECTDRAWENUMERATEEXA)GetProcAddress(hInstDDraw, "DirectDrawEnumerateExA");
LPDIRECTDRAWCREATE pDDCreate = (LPDIRECTDRAWCREATE)GetProcAddress(hInstDDraw, "DirectDrawCreate");
if (pDirectDrawEnumerateEx && pDDCreate)
{
HRESULT hr = pDirectDrawEnumerateEx(DDEnumCallbackEx, (VOID*)&adapter, DDENUM_ATTACHEDSECONDARYDEVICES);
if (SUCCEEDED(hr) && adapter.found)
{
LPDIRECTDRAW pDDraw = NULL;
hr = pDDCreate(&adapter.guid, &pDDraw, NULL);
if (SUCCEEDED(hr))
{
LPDIRECTDRAW7 pDDraw7 = NULL;
hr = pDDraw->QueryInterface(IID_IDirectDraw7, (VOID**)&pDDraw7);
if (SUCCEEDED(hr))
{
DDSCAPS2 ddscaps;
memset(&ddscaps, 0, sizeof(DDSCAPS2));
ddscaps.dwCaps = DDSCAPS_VIDEOMEMORY | DDSCAPS_LOCALVIDMEM;
DWORD pdwAvailableVidMem;
hr = pDDraw7->GetAvailableVidMem(&ddscaps, &pdwAvailableVidMem, NULL);
if (SUCCEEDED(hr))
{
res = (sint)pdwAvailableVidMem / 1024;
nlinfo("DirectDraw Adapter: %s - DedicatedVideoMemory: %d KiB", adapter.name.c_str(), adapter.memory);
}
else
{
nlwarning("Unable to get DirectDraw available video memory: %s", FormatError(hr).c_str());
}
SAFE_RELEASE(pDDraw7);
}
else
{
nlwarning("Unable to query IDirectDraw7 interface: %s", FormatError(hr).c_str());
}
}
else
{
nlwarning("Unable to call DirectDrawCreate: %s", FormatError(hr).c_str());
}
}
else
{
nlwarning("Unable to enumerate DirectDraw adapters (%s): %s", (adapter.found ? "found":"not found"), FormatError(hr).c_str());
}
}
else
{
nlwarning("Unable to get pointer on DirectDraw functions (DirectDrawEnumerateExA %p, DirectDrawCreate %p)", pDirectDrawEnumerateEx, pDDCreate);
}
FreeLibrary(hInstDDraw);
}
else
{
nlwarning("Unable to load ddraw.dll");
}
}
#elif defined(NL_OS_MAC)
// the right method is using OpenGL
#else
// under Linux, no method is really reliable...
NLMISC::CIFile file;
std::string logFile = "/var/log/Xorg.0.log";
// parse last Xorg.0.log
if (file.open(logFile, true))
{
char buffer[256];
while(!file.eof())
{
file.getline(buffer, 256);
if (buffer[0] == '\0') break;
std::string line(buffer);
// nvidia driver
std::string::size_type pos = line.find(") NVIDIA(");
if (pos != std::string::npos)
{
// [ 20.883] (--) NVIDIA(0): Memory: 2097152 kBytes
pos = line.find("Memory: ", pos);
// found memory line
if (pos == std::string::npos) continue;
pos += 8;
std::string::size_type posUnits = line.find(" kBytes", pos);
// found units in KiB
if (posUnits == std::string::npos) continue;
std::string videoMemory = line.substr(pos, posUnits-pos);
if (!NLMISC::fromString(videoMemory, res)) continue;
nlinfo("Xorg NVIDIA driver reported %d KiB of video memory", res);
break;
}
// intel driver
pos = line.find(") intel(");
if (pos != std::string::npos)
{
// (**) intel(0): VideoRam: 131072 KB
pos = line.find("VideoRam: ", pos);
// found memory line
if (pos == std::string::npos) continue;
pos += 10;
std::string::size_type posUnits = line.find(" KB", pos);
// found units in KiB
if (posUnits == std::string::npos) continue;
std::string videoMemory = line.substr(pos, posUnits-pos);
if (!NLMISC::fromString(videoMemory, res)) continue;
nlinfo("Xorg Intel driver reported %d KiB of video memory", res);
break;
}
// TODO: other drivers: nv, fglrx (ATI), radeon (ATI)
}
file.close();
}
if (res == -1)
{
// use lspci
std::string command = "lspci";
std::string out = getCommandOutput(command);
if (out.empty())
{
nlwarning("Unable to launch %s", command.c_str());
}
else
{
std::vector<std::string> lines;
std::string deviceId;
explode(out, std::string("\n"), lines, true);
// process each line
for(uint i = 0; i < lines.size(); ++i)
{
std::string line = lines[i];
if (line.find("VGA") == std::string::npos &&
line.find("3D") == std::string::npos &&
line.find("2D") == std::string::npos)
continue;
std::string::size_type pos = line.find(' ');
if (pos == std::string::npos) continue;
// found device ID
deviceId = line.substr(0, pos);
break;
}
if (deviceId.empty())
{
nlwarning("Unable to find a 3D device with lspci");
}
else
{
command = "lspci -v -s " + deviceId;
out = getCommandOutput(command);
if (out.empty())
{
nlwarning("Unable to launch %s", command.c_str());
}
else
{
explode(out, std::string("\n"), lines, true);
// process each line
for(uint i = 0; i < lines.size(); ++i)
{
std::string line = lines[i];
// look for a size
std::string::size_type pos0 = line.find("[size=");
if (pos0 == std::string::npos) continue;
// move to first digit
pos0 += 6;
// end of the size
std::string::size_type pos1 = line.find("]", pos0);
if (pos1 == std::string::npos) continue;
sint units;
if (line.substr(pos1-1, 1) == "M")
{
// size in MiB
units = 1024;
--pos1;
}
else if (line.substr(pos1-1, 1) == "K")
{
// size in KiB
units = 1;
--pos1;
}
else
{
// size in B
units = 0;
}
// extract the size
std::string sizeStr = line.substr(pos0, pos1-pos0);
// convert size to integer with right units
sint tmpSize;
if (!NLMISC::fromString(sizeStr, tmpSize)) continue;
tmpSize *= units;
// take the higher size (up to 256 MiB apparently)
if (tmpSize > res) res = tmpSize;
}
nlinfo("lspci reported %d KiB of video memory", res);
}
}
}
}
#endif
return res;
}
} // NLMISC