colobot/src/app/system_windows.cpp

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/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
#include "app/system_windows.h"
#include "common/logger.h"
#include <windows.h>
void CSystemUtilsWindows::Init()
{
LARGE_INTEGER freq;
QueryPerformanceFrequency(&freq);
m_counterFrequency = freq.QuadPart;
assert(m_counterFrequency != 0);
}
SystemDialogResult CSystemUtilsWindows::SystemDialog(SystemDialogType type, const std::string& title, const std::string& message)
{
unsigned int windowsType = 0;
std::wstring windowsMessage = UTF8_Decode(message);
std::wstring windowsTitle = UTF8_Decode(title);
switch (type)
{
case SDT_INFO:
default:
windowsType = MB_ICONINFORMATION|MB_OK;
break;
case SDT_WARNING:
windowsType = MB_ICONWARNING|MB_OK;
break;
case SDT_ERROR:
windowsType = MB_ICONERROR|MB_OK;
break;
case SDT_YES_NO:
windowsType = MB_ICONQUESTION|MB_YESNO;
break;
case SDT_OK_CANCEL:
windowsType = MB_ICONWARNING|MB_OKCANCEL;
break;
}
switch (MessageBoxW(NULL, windowsMessage.c_str(), windowsTitle.c_str(), windowsType))
{
case IDOK:
return SDR_OK;
case IDCANCEL:
return SDR_CANCEL;
case IDYES:
return SDR_YES;
case IDNO:
return SDR_NO;
default:
break;
}
return SDR_OK;
}
void CSystemUtilsWindows::GetCurrentTimeStamp(SystemTimeStamp* stamp)
{
LARGE_INTEGER value;
QueryPerformanceCounter(&value);
stamp->counterValue = value.QuadPart;
}
long long int CSystemUtilsWindows::GetTimeStampExactResolution()
{
return 1000000000ll / m_counterFrequency;
}
long long int CSystemUtilsWindows::TimeStampExactDiff(SystemTimeStamp* before, SystemTimeStamp* after)
{
float floatValue = static_cast<double>(after->counterValue - before->counterValue) * (1e9 / static_cast<double>(m_counterFrequency));
return static_cast<long long>(floatValue);
}
//! Converts a wide Unicode string to an UTF8 string
std::string CSystemUtilsWindows::UTF8_Encode(const std::wstring& wstr)
{
int size_needed = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], static_cast<int>(wstr.size()), NULL, 0, NULL, NULL);
std::string strTo(size_needed, 0);
WideCharToMultiByte(CP_UTF8, 0, &wstr[0], static_cast<int>(wstr.size()), &strTo[0], size_needed, NULL, NULL);
return strTo;
}
//! Converts an UTF8 string to a wide Unicode String
std::wstring CSystemUtilsWindows::UTF8_Decode(const std::string& str)
{
int size_needed = MultiByteToWideChar(CP_UTF8, 0, &str[0], static_cast<int>(str.size()), NULL, 0);
std::wstring wstrTo(size_needed, 0);
MultiByteToWideChar(CP_UTF8, 0, &str[0], static_cast<int>(str.size()), &wstrTo[0], size_needed);
return wstrTo;
}
std::string CSystemUtilsWindows::GetSaveDir()
{
std::string savegameDir;
wchar_t* envUSERPROFILE = _wgetenv(L"USERPROFILE");
if (envUSERPROFILE == NULL)
{
savegameDir = "./saves";
}
else
{
savegameDir = UTF8_Encode(std::wstring(envUSERPROFILE)) + "\\colobot";
}
GetLogger()->Trace("Saved game files are going to %s\n", savegameDir.c_str());
return savegameDir;
}