colobot/src/app/system.cpp

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// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
// *
// * 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://www.gnu.org/licenses/.
// system.cpp
#include "app/system.h"
#include "common/config.h"
#if defined(PLATFORM_WINDOWS)
#include <windows.h>
#elif defined(PLATFORM_LINUX)
#include <cstdlib>
#else
#include <iostream>
#endif
SystemDialogResult SystemDialog_Windows(SystemDialogType type, const std::string& title, const std::string& message);
SystemDialogResult SystemDialog_Linux(SystemDialogType type, const std::string& title, const std::string& message);
SystemDialogResult SystemDialog_Other(SystemDialogType type, const std::string& title, const std::string& message);
/**
* Displays a system dialog with info, error, question etc. message.
*
* \param type type of dialog
* \param message text of message (in UTF-8)
* \param title dialog title (in UTF-8)
* \returns result (which button was clicked)
*/
SystemDialogResult SystemDialog(SystemDialogType type, const std::string& title, const std::string& message)
{
#if defined(PLATFORM_WINDOWS)
return SystemDialog_Windows(type, title, message);
#elif defined(PLATFORM_LINUX)
return SystemDialog_Linux(type, title, message);
#else
return SystemDialog_Other(type, title, message);
#endif
}
#if defined(PLATFORM_WINDOWS)
// Convert a wide Unicode string to an UTF8 string
std::string UTF8_Encode_Windows(const std::wstring &wstr)
{
int size_needed = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
std::string strTo(size_needed, 0);
WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &strTo[0], size_needed, NULL, NULL);
return strTo;
}
// Convert an UTF8 string to a wide Unicode String
std::wstring UTF8_Decode_Windows(const std::string &str)
{
int size_needed = MultiByteToWideChar(CP_UTF8, 0, &str[0], (int)str.size(), NULL, 0);
std::wstring wstrTo(size_needed, 0);
MultiByteToWideChar(CP_UTF8, 0, &str[0], (int)str.size(), &wstrTo[0], size_needed);
return wstrTo;
}
SystemDialogResult SystemDialog_Windows(SystemDialogType type, const std::string& title, const std::string& message)
{
unsigned int windowsType = 0;
std::wstring windowsMessage = UTF8_Decode_Windows(message);
std::wstring windowsTitle = UTF8_Decode_Windows(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;
}
#elif defined(PLATFORM_LINUX)
SystemDialogResult SystemDialog_Linux(SystemDialogType type, const std::string& title, const std::string& message)
{
std::string options = "";
switch (type)
{
case SDT_INFO:
default:
options = "--info";
break;
case SDT_WARNING:
options = "--warning";
break;
case SDT_ERROR:
options = "--error";
break;
case SDT_YES_NO:
options = "--question --ok-label=\"Yes\" --cancel-label=\"No\"";
break;
case SDT_OK_CANCEL:
options = "--question --ok-label=\"OK\" --cancel-label=\"Cancel\"";
break;
}
std::string command = "zenity " + options + " --text=\"" + message + "\" --title=\"" + title + "\"";
int code = system(command.c_str());
SystemDialogResult result = SDR_OK;
switch (type)
{
case SDT_YES_NO:
result = code ? SDR_NO : SDR_YES;
break;
case SDT_OK_CANCEL:
result = code ? SDR_CANCEL : SDR_OK;
break;
default:
break;
}
return result;
}
#else
SystemDialogResult SystemDialog_Other(SystemDialogType type, const std::string& title, const std::string& message)
{
switch (type)
{
case SDT_INFO:
std::cout << "INFO: ";
break;
case SDT_WARNING:
std::cout << "WARNING:";
break;
case SDT_ERROR:
std::cout << "ERROR: ";
break;
case SDT_YES_NO:
case SDT_OK_CANCEL:
std::cout << "QUESTION: ";
break;
}
std::cout << message << std::endl;
std::string line;
SystemDialogResult result = SDR_OK;
bool done = false;
while (!done)
{
switch (type)
{
case SDT_INFO:
case SDT_WARNING:
case SDT_ERROR:
std::cout << "Press ENTER to continue";
break;
case SDT_YES_NO:
std::cout << "Type 'Y' for Yes or 'N' for No";
break;
case SDT_OK_CANCEL:
std::cout << "Type 'O' for OK or 'C' for Cancel";
break;
}
std::getline(std::cin, line);
switch (type)
{
case SDT_INFO:
case SDT_WARNING:
case SDT_ERROR:
done = true;
break;
case SDT_YES_NO:
if (line == "Y" || line == "y")
{
result = SDR_YES;
done = true;
}
else if (line == "N" || line == "n")
{
result = SDR_NO;
done = true;
}
break;
case SDT_OK_CANCEL:
if (line == "O" || line == "o")
{
done = true;
result = SDR_OK;
}
else if (line == "C" || line == "c")
{
done = true;
result = SDR_CANCEL;
}
break;
}
}
return result;
}
#endif // if defined(PLATFORM_WINDOWS)