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ac840c1599
rainmeter-studio/Library/Litestep.cpp
Birunthan Mohanathas ac840c1599 - Disabled "Log file created" messagebox 
- Fixed empty messagebox when Rainmeter is launched with Logging=1 and no existing log file
- Minor changes to log output
2012-02-14 17:58:03 +00:00

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/*
Copyright (C) 2002 Kimmo Pekkola + few lsapi developers
This program 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 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "Litestep.h"
#include "Rainmeter.h"
#include "DialogAbout.h"
#include "System.h"
extern CRainmeter* Rainmeter;
static CRITICAL_SECTION g_CsLog = {0};
static CRITICAL_SECTION g_CsLogDelay = {0};
void InitalizeLitestep()
{
InitializeCriticalSection(&g_CsLog);
InitializeCriticalSection(&g_CsLogDelay);
}
void FinalizeLitestep()
{
DeleteCriticalSection(&g_CsLog);
DeleteCriticalSection(&g_CsLogDelay);
}
HRGN BitmapToRegion(HBITMAP hbm, COLORREF clrTransp, COLORREF clrTolerance)
{
HRGN hRgn = NULL;
if (hbm)
{
// create a dc for the 32 bit dib
HDC hdcMem = CreateCompatibleDC(NULL);
if (hdcMem)
{
// get the size
BITMAP bm;
GetObject(hbm, sizeof(BITMAP), &bm);
BITMAPINFOHEADER bmpInfo32;
bmpInfo32.biSize = sizeof(BITMAPINFOHEADER);
bmpInfo32.biWidth = bm.bmWidth;
bmpInfo32.biHeight = bm.bmHeight;
bmpInfo32.biPlanes = 1;
bmpInfo32.biBitCount = 32;
bmpInfo32.biCompression = BI_RGB;
bmpInfo32.biSizeImage = 0;
bmpInfo32.biXPelsPerMeter = 0;
bmpInfo32.biYPelsPerMeter = 0;
bmpInfo32.biClrUsed = 0;
bmpInfo32.biClrImportant = 0;
VOID* pbits32;
HBITMAP hbm32 = CreateDIBSection(hdcMem, (BITMAPINFO *) & bmpInfo32, DIB_RGB_COLORS, &pbits32, NULL, 0);
if (hbm32)
{
HBITMAP hbmOld32 = (HBITMAP)SelectObject(hdcMem, hbm32);
// Create a DC just to copy the bitmap into the memory D
HDC hdcTmp = CreateCompatibleDC(hdcMem);
if (hdcTmp)
{
// Get how many bytes per row we have for the bitmap bits (rounded up to 32 bits
BITMAP bm32;
GetObject(hbm32, sizeof(bm32), &bm32);
while (bm32.bmWidthBytes % 4)
++bm32.bmWidthBytes;
// Copy the bitmap into the memory D
HBITMAP hbmOld = (HBITMAP)SelectObject(hdcTmp, hbm);
BitBlt(hdcMem, 0, 0, bm.bmWidth, bm.bmHeight, hdcTmp, 0, 0, SRCCOPY);
// get the limits for the colors
BYTE clrHiR = ( 0xff - GetRValue( clrTolerance ) > GetRValue( clrTransp ) ) ? GetRValue( clrTransp ) + GetRValue( clrTolerance ) : 0xff;
BYTE clrHiG = ( 0xff - GetGValue( clrTolerance ) > GetGValue( clrTransp ) ) ? GetGValue( clrTransp ) + GetGValue( clrTolerance ) : 0xff;
BYTE clrHiB = ( 0xff - GetBValue( clrTolerance ) > GetBValue( clrTransp ) ) ? GetBValue( clrTransp ) + GetBValue( clrTolerance ) : 0xff;
BYTE clrLoR = ( GetRValue( clrTolerance ) < GetRValue( clrTransp ) ) ? GetRValue( clrTransp ) - GetRValue( clrTolerance ) : 0x00;
BYTE clrLoG = ( GetGValue( clrTolerance ) < GetGValue( clrTransp ) ) ? GetGValue( clrTransp ) - GetGValue( clrTolerance ) : 0x00;
BYTE clrLoB = ( GetBValue( clrTolerance ) < GetBValue( clrTransp ) ) ? GetBValue( clrTransp ) - GetBValue( clrTolerance ) : 0x00;
// Allocate initial RGNDATA buffer
#define ALLOC_UNIT 100
DWORD maxRects = ALLOC_UNIT;
HANDLE hRgnData = GlobalAlloc(GMEM_MOVEABLE, sizeof(RGNDATAHEADER) + (sizeof(RECT) * maxRects));
RGNDATA* pRgnData = (RGNDATA*)GlobalLock(hRgnData);
pRgnData->rdh.dwSize = sizeof(RGNDATAHEADER);
pRgnData->rdh.iType = RDH_RECTANGLES;
pRgnData->rdh.nCount = pRgnData->rdh.nRgnSize = 0;
SetRect(&pRgnData->rdh.rcBound, 0, 0, bm.bmWidth, bm.bmHeight);
// Scan each bitmap row from bottom to top (the bitmap is inverted vertically
BYTE* p32 = (BYTE*)bm32.bmBits + (bm32.bmHeight - 1) * bm32.bmWidthBytes;
for (int y = 0; y < bm.bmHeight; ++y)
{
for (int x = 0; x < bm.bmWidth; ++x)
{
int x0 = x;
// loop through all non transparent pixels
while (x < bm.bmWidth)
{
BYTE* p = p32 + 4 * x;
// if the pixel is transparent, then break
if (*p >= clrLoB && *p <= clrHiB)
{
++p;
if (*p >= clrLoG && *p <= clrHiG)
{
++p;
if (*p >= clrLoR && *p <= clrHiR)
break;
}
}
++x;
}
// if found one or more non-transparent pixels in a row, add them to the rgn...
if (x > x0)
{
if (pRgnData->rdh.nCount >= maxRects)
{
// Reallocate RGNDATA buffer
GlobalUnlock(hRgnData);
maxRects += ALLOC_UNIT;
hRgnData = GlobalReAlloc(hRgnData, sizeof(RGNDATAHEADER) + (sizeof(RECT) * maxRects), GMEM_MOVEABLE);
pRgnData = (RGNDATA*)GlobalLock(hRgnData);
}
SetRect(((RECT*)pRgnData->Buffer) + pRgnData->rdh.nCount, x0, y, x, y + 1);
++pRgnData->rdh.nCount;
}
}
p32 -= bm32.bmWidthBytes;
}
// Create the region with the collected rectangles
hRgn = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER) + (sizeof(RECT) * maxRects), pRgnData);
// Clean up
GlobalUnlock(hRgnData);
GlobalFree(hRgnData);
SelectObject(hdcTmp, hbmOld);
DeleteDC(hdcTmp);
}
SelectObject(hdcMem, hbmOld32);
DeleteObject(hbm32);
}
DeleteDC(hdcMem);
}
}
return hRgn;
}
void RunCommand(HWND Owner, LPCTSTR szCommand, int nShowCmd, bool asAdmin)
{
// The stub implementation (some of this code is taken from lsapi.cpp)
if (szCommand == NULL || *szCommand == 0) return;
std::wstring args;
std::wstring command = szCommand;
size_t notwhite = command.find_first_not_of(L" \t\r\n");
command.erase(0, notwhite);
if (command.empty()) return;
size_t quotePos = command.find(L'"');
if (quotePos == 0)
{
size_t quotePos2 = command.find(L'"', quotePos + 1);
if (quotePos2 != std::wstring::npos)
{
args.assign(command, quotePos2 + 1, command.length() - (quotePos2 + 1));
command.assign(command, quotePos + 1, quotePos2 - quotePos - 1);
}
else
{
command.erase(0, 1);
}
}
else
{
size_t spacePos = command.find(L' ');
if (spacePos != std::wstring::npos)
{
args.assign(command, spacePos + 1, command.length() - (spacePos + 1));
command.erase(spacePos);
}
}
if (!command.empty())
{
LPCWSTR szVerb = asAdmin ? L"runas" : L"open";
DWORD type = GetFileAttributes(command.c_str());
if (type & FILE_ATTRIBUTE_DIRECTORY && type != 0xFFFFFFFF)
{
ShellExecute(Owner, szVerb, command.c_str(), NULL, NULL, nShowCmd ? nShowCmd : SW_SHOWNORMAL);
return;
}
std::wstring dir = CRainmeter::ExtractPath(command);
SHELLEXECUTEINFO si = {sizeof(SHELLEXECUTEINFO)};
si.hwnd = Owner;
si.lpVerb = szVerb;
si.lpFile = command.c_str();
si.lpParameters = args.c_str();
si.lpDirectory = dir.c_str();
si.nShow = nShowCmd ? nShowCmd : SW_SHOWNORMAL;
si.fMask = SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI;
ShellExecuteEx(&si);
}
}
std::string ConvertToAscii(LPCTSTR str)
{
std::string szAscii;
if (str && *str)
{
int strLen = (int)wcslen(str);
int bufLen = WideCharToMultiByte(CP_ACP, 0, str, strLen, NULL, 0, NULL, NULL);
if (bufLen > 0)
{
szAscii.resize(bufLen);
WideCharToMultiByte(CP_ACP, 0, str, strLen, &szAscii[0], bufLen, NULL, NULL);
}
}
return szAscii;
}
std::wstring ConvertToWide(LPCSTR str)
{
std::wstring szWide;
if (str && *str)
{
int strLen = (int)strlen(str);
int bufLen = MultiByteToWideChar(CP_ACP, 0, str, strLen, NULL, 0);
if (bufLen > 0)
{
szWide.resize(bufLen);
MultiByteToWideChar(CP_ACP, 0, str, strLen, &szWide[0], bufLen);
}
}
return szWide;
}
std::string ConvertToUTF8(LPCWSTR str)
{
std::string szAscii;
if (str && *str)
{
int strLen = (int)wcslen(str);
int bufLen = WideCharToMultiByte(CP_UTF8, 0, str, strLen, NULL, 0, NULL, NULL);
if (bufLen > 0)
{
szAscii.resize(bufLen);
WideCharToMultiByte(CP_UTF8, 0, str, strLen, &szAscii[0], bufLen, NULL, NULL);
}
}
return szAscii;
}
std::wstring ConvertUTF8ToWide(LPCSTR str)
{
std::wstring szWide;
if (str && *str)
{
int strLen = (int)strlen(str);
int bufLen = MultiByteToWideChar(CP_UTF8, 0, str, strLen, NULL, 0);
if (bufLen > 0)
{
szWide.resize(bufLen);
MultiByteToWideChar(CP_UTF8, 0, str, strLen, &szWide[0], bufLen);
}
}
return szWide;
}
void LogInternal(int nLevel, ULONGLONG elapsed, LPCTSTR pszMessage)
{
// Add timestamp
WCHAR buffer[128];
size_t len = _snwprintf_s(buffer, _TRUNCATE, L"%02llu:%02llu:%02llu.%03llu", elapsed / (1000 * 60 * 60), (elapsed / (1000 * 60)) % 60, (elapsed / 1000) % 60, elapsed % 1000);
Rainmeter->AddAboutLogInfo(nLevel, buffer, pszMessage);
#ifndef _DEBUG
if (!Rainmeter->GetLogging()) return;
#endif
std::wstring message;
switch (nLevel)
{
case LOG_ERROR:
message = L"ERRO";
break;
case LOG_WARNING:
message = L"WARN";
break;
case LOG_NOTICE:
message = L"NOTE";
break;
case LOG_DEBUG:
message = L"DBUG";
break;
}
message += L" (";
message.append(buffer, len);
message += L") ";
message += pszMessage;
message += L'\n';
_RPT0(_CRT_WARN, ConvertToAscii(message.c_str()).c_str());
const WCHAR* logFile = Rainmeter->GetLogFile().c_str();
if (_waccess(logFile, 0) == -1)
{
// Disable logging if the file was deleted manually
Rainmeter->StopLogging();
}
else
{
FILE* file = _wfopen(logFile, L"a+, ccs=UTF-8");
if (file)
{
fputws(message.c_str(), file);
fclose(file);
}
}
}
BOOL LSLog(int nLevel, LPCTSTR pszModule, LPCTSTR pszMessage)
{
// Ignore LOG_DEBUG messages from plugins unless in debug mode
if (nLevel != LOG_DEBUG || Rainmeter->GetDebug())
{
Log(nLevel, pszMessage);
}
return TRUE;
}
void Log(int nLevel, const WCHAR* message)
{
struct DELAYED_LOG_INFO
{
int level;
ULONGLONG elapsed;
std::wstring message;
};
static std::list<DELAYED_LOG_INFO> c_LogDelay;
static ULONGLONG startTime = CSystem::GetTickCount64();
ULONGLONG elapsed = CSystem::GetTickCount64() - startTime;
if (TryEnterCriticalSection(&g_CsLog))
{
// Log the queued messages first
EnterCriticalSection(&g_CsLogDelay);
while (!c_LogDelay.empty())
{
DELAYED_LOG_INFO& logInfo = c_LogDelay.front();
LogInternal(logInfo.level, logInfo.elapsed, logInfo.message.c_str());
c_LogDelay.erase(c_LogDelay.begin());
}
LeaveCriticalSection(&g_CsLogDelay);
// Log the message
LogInternal(nLevel, elapsed, message);
LeaveCriticalSection(&g_CsLog);
}
else
{
// Queue the message
EnterCriticalSection(&g_CsLogDelay);
DELAYED_LOG_INFO logInfo = {nLevel, elapsed, message};
c_LogDelay.push_back(logInfo);
LeaveCriticalSection(&g_CsLogDelay);
}
}
void LogWithArgs(int nLevel, const WCHAR* format, ...)
{
WCHAR* buffer = new WCHAR[4096];
va_list args;
va_start( args, format );
_invalid_parameter_handler oldHandler = _set_invalid_parameter_handler(RmNullCRTInvalidParameterHandler);
_CrtSetReportMode(_CRT_ASSERT, 0);
errno = 0;
_vsnwprintf_s( buffer, 4096, _TRUNCATE, format, args );
if (errno != 0)
{
nLevel = LOG_ERROR;
_snwprintf_s(buffer, 4096, _TRUNCATE, L"LogWithArgs internal error: %s", format);
}
_set_invalid_parameter_handler(oldHandler);
Log(nLevel, buffer);
va_end(args);
delete [] buffer;
}
void LogError(CError& error)
{
Log(LOG_ERROR, error.GetString().c_str());
CDialogAbout::ShowAboutLog();
}
WCHAR* GetString(UINT id)
{
LPWSTR pData;
int len = LoadString(Rainmeter->GetResourceInstance(), id, (LPWSTR)&pData, 0);
return len ? pData : L"";
}
std::wstring GetFormattedString(UINT id, ...)
{
LPWSTR pBuffer = NULL;
va_list args = NULL;
va_start(args, id);
DWORD len = FormatMessage(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
GetString(id),
0,
0,
(LPWSTR)&pBuffer,
0,
&args);
va_end(args);
std::wstring tmpSz(len ? pBuffer : L"");
if (pBuffer) LocalFree(pBuffer);
return tmpSz;
}
void RmNullCRTInvalidParameterHandler(const wchar_t* expression, const wchar_t* function, const wchar_t* file, unsigned int line, uintptr_t pReserved)
{
// Do nothing.
}
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