mirror of
https://github.com/chibicitiberiu/rainmeter-studio.git
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276 lines
6.7 KiB
C++
276 lines
6.7 KiB
C++
/*
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Copyright (C) 2001 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "StdAfx.h"
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#include "MeasureTime.h"
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#include "Rainmeter.h"
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int GetYearDay(int year, int month, int day)
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{
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int yearDay = 0;
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UINT dates[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
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for (int i = 0; i < month - 1; ++i)
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{
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yearDay += dates[i];
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}
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if (month > 2 && ((((year % 4) == 0) && ((year % 100) != 0)) || (year % 400) == 0))
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{
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++yearDay;
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}
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yearDay += day;
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return yearDay - 1;
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}
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/*
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** CMeasureTime
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**
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** The constructor
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**
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*/
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CMeasureTime::CMeasureTime(CMeterWindow* meterWindow, const WCHAR* name) : CMeasure(meterWindow, name),
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m_DeltaTime(),
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m_Time()
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{
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/* Set time zone from TZ environment variable. If TZ is not set,
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* the operating system is queried to obtain the default value
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* for the variable.
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*/
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_tzset();
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}
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/*
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** ~CMeasureTime
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**
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** The destructor
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**
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*/
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CMeasureTime::~CMeasureTime()
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{
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}
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/*
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** TimeToString
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**
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** Converts given time to string.
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** This function is a wrapper function for wcsftime.
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**
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*/
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void CMeasureTime::TimeToString(WCHAR* buf, size_t bufLen, const WCHAR* format, const struct tm* time)
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{
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if (bufLen > 0)
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{
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_invalid_parameter_handler oldHandler = _set_invalid_parameter_handler(RmNullCRTInvalidParameterHandler);
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_CrtSetReportMode(_CRT_ASSERT, 0);
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errno = 0;
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wcsftime(buf, bufLen, m_Format.c_str(), time);
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if (errno == EINVAL)
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{
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LogWithArgs(LOG_WARNING, L"Time: Invalid Format: Measure=[%s], Format=\"%s\"", m_Name.c_str(), format);
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buf[0] = 0;
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}
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_set_invalid_parameter_handler(oldHandler);
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}
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}
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/*
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** Update
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**
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** Updates the current time
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**
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*/
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bool CMeasureTime::Update()
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{
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if (!CMeasure::PreUpdate()) return false;
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FILETIME ftUTCTime;
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GetSystemTimeAsFileTime(&ftUTCTime);
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// Modify the ltime to match the current timezone
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// This way we can use the value also for the clock
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m_Time.HighPart = ftUTCTime.dwHighDateTime;
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m_Time.LowPart = ftUTCTime.dwLowDateTime;
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m_Time.QuadPart += m_DeltaTime.QuadPart;
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if (m_Format.size() > 0)
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{
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// If there is some date format, parse the value from it instead
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WCHAR* tmpSz = new WCHAR[MAX_LINE_LENGTH];
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SYSTEMTIME sysToday;
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FILETIME ftToday;
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tmpSz[0] = 0;
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ftToday.dwHighDateTime = m_Time.HighPart;
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ftToday.dwLowDateTime = m_Time.LowPart;
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FileTimeToSystemTime(&ftToday, &sysToday);
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if (_wcsicmp(L"locale-time", m_Format.c_str()) == 0)
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{
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GetTimeFormat(LOCALE_USER_DEFAULT, 0, &sysToday, NULL, tmpSz, MAX_LINE_LENGTH);
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}
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else if (_wcsicmp(L"locale-date", m_Format.c_str()) == 0)
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{
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GetDateFormat(LOCALE_USER_DEFAULT, 0, &sysToday, NULL, tmpSz, MAX_LINE_LENGTH);
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}
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else
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{
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struct tm today;
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today.tm_isdst = 0;
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today.tm_hour = sysToday.wHour;
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today.tm_mday = sysToday.wDay;
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today.tm_min = sysToday.wMinute;
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today.tm_mon = sysToday.wMonth - 1;
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today.tm_sec = sysToday.wSecond;
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today.tm_wday = sysToday.wDayOfWeek;
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today.tm_yday = GetYearDay(sysToday.wYear, sysToday.wMonth, sysToday.wDay);
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today.tm_year = sysToday.wYear - 1900;
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TimeToString(tmpSz, MAX_LINE_LENGTH, m_Format.c_str(), &today);
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}
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m_Value = wcstod(tmpSz, NULL);
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delete [] tmpSz;
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}
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else
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{
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m_Value = (double)(m_Time.QuadPart / 10000000);
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}
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return PostUpdate();
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}
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/*
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** GetStringValue
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**
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** Returns the time as string.
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**
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*/
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const WCHAR* CMeasureTime::GetStringValue(AUTOSCALE autoScale, double scale, int decimals, bool percentual)
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{
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static WCHAR tmpSz[MAX_LINE_LENGTH];
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struct tm today;
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tmpSz[0] = 0;
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SYSTEMTIME sysToday;
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FILETIME ftToday;
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ftToday.dwHighDateTime = m_Time.HighPart;
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ftToday.dwLowDateTime = m_Time.LowPart;
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FileTimeToSystemTime(&ftToday, &sysToday);
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today.tm_isdst = 0;
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today.tm_hour = sysToday.wHour;
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today.tm_mday = sysToday.wDay;
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today.tm_min = sysToday.wMinute;
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today.tm_mon = sysToday.wMonth - 1;
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today.tm_sec = sysToday.wSecond;
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today.tm_wday = sysToday.wDayOfWeek;
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today.tm_yday = GetYearDay(sysToday.wYear, sysToday.wMonth, sysToday.wDay);
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today.tm_year = sysToday.wYear - 1900;
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// Create the string
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if (m_Format.size() > 0)
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{
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if (_wcsicmp(L"locale-time", m_Format.c_str()) == 0)
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{
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GetTimeFormat(LOCALE_USER_DEFAULT, 0, &sysToday, NULL, tmpSz, MAX_LINE_LENGTH);
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}
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else if (_wcsicmp(L"locale-date", m_Format.c_str()) == 0)
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{
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GetDateFormat(LOCALE_USER_DEFAULT, 0, &sysToday, NULL, tmpSz, MAX_LINE_LENGTH);
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}
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else
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{
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TimeToString(tmpSz, MAX_LINE_LENGTH, m_Format.c_str(), &today);
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}
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}
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else
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{
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TimeToString(tmpSz, MAX_LINE_LENGTH, L"%H:%M:%S", &today);
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}
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return CheckSubstitute(tmpSz);
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}
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/*
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** ReadConfig
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**
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** Reads the measure specific configs.
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**
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*/
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void CMeasureTime::ReadConfig(CConfigParser& parser, const WCHAR* section)
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{
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CMeasure::ReadConfig(parser, section);
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m_Format = parser.ReadString(section, L"Format", L"");
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std::wstring timezone = parser.ReadString(section, L"TimeZone", L"local");
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if (_wcsicmp(L"local", timezone.c_str()) == 0)
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{
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SYSTEMTIME sysLocalTime, sysUTCTime;
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GetLocalTime(&sysLocalTime);
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GetSystemTime(&sysUTCTime);
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FILETIME ftLocalTime, ftUTCTime;
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SystemTimeToFileTime(&sysLocalTime, &ftLocalTime);
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SystemTimeToFileTime(&sysUTCTime, &ftUTCTime);
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LARGE_INTEGER largeInt1, largeInt2;
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largeInt1.HighPart = ftLocalTime.dwHighDateTime;
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largeInt1.LowPart = ftLocalTime.dwLowDateTime;
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largeInt2.HighPart = ftUTCTime.dwHighDateTime;
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largeInt2.LowPart = ftUTCTime.dwLowDateTime;
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m_DeltaTime.QuadPart = largeInt1.QuadPart - largeInt2.QuadPart;
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}
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else
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{
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double zone = wcstod(timezone.c_str(), NULL);
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bool dst = 1 == parser.ReadInt(section, L"DaylightSavingTime", 1);
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struct tm* today;
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time_t now;
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time(&now);
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today = localtime(&now);
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if (dst && today->tm_isdst)
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{
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// Add DST
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TIME_ZONE_INFORMATION tzi;
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GetTimeZoneInformation(&tzi);
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m_DeltaTime.QuadPart = (LONGLONG)((zone * 3600) - tzi.DaylightBias * 60) * 10000000;
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}
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else
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{
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m_DeltaTime.QuadPart = (LONGLONG)(zone * 3600) * 10000000;
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}
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}
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}
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