Console revamp - windows part
Petr Mrázek
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/*
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https://github.com/peterix/dfhack
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Copyright (c) 2009-2011 Petr Mrázek (peterix@gmail.com)
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must
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not claim that you wrote the original software. If you use this
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software in a product, an acknowledgment in the product documentation
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would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#include <windows.h>
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#include <conio.h>
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#include <stdarg.h>
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#include < process.h>
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#include <errno.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <io.h>
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#include <iostream>
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#include <fstream>
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#include <istream>
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#include <string>
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#include "dfhack/Console.h"
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#include <cstdio>
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#include <cstdlib>
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#include <sstream>
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using namespace DFHack;
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// FIXME: maybe make configurable with an ini option?
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#define MAX_CONSOLE_LINES 250;
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duthomhas::stdiostream dfout;
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FILE * dfout_C = 0;
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duthomhas::stdiobuf * stream_o = 0;
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HANDLE g_hConsoleOut; // Handle to debug console
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// FIXME: prime candidate for being a singleton... indeed.
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Console::Console()
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{
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int hConHandle;
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long lStdHandle;
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CONSOLE_SCREEN_BUFFER_INFO coninfo;
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FILE *fp;
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DWORD oldMode, newMode;
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// Allocate a console!
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AllocConsole();
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// set the screen buffer to be big enough to let us scroll text
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GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
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coninfo.dwSize.Y = MAX_CONSOLE_LINES; // How many lines do you want to have in the console buffer
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SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);
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// redirect unbuffered STDOUT to the console
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g_hConsoleOut = GetStdHandle(STD_OUTPUT_HANDLE);
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lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
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hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
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dfout_C = _fdopen( hConHandle, "w" );
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setvbuf( dfout_C, NULL, _IONBF, 0 );
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// redirect unbuffered STDIN to the console
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lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
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hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
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fp = _fdopen( hConHandle, "r" );
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*stdin = *fp;
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setvbuf( stdin, NULL, _IONBF, 0 );
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GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE),&oldMode);
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newMode = oldMode | ENABLE_ECHO_INPUT | ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT;
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SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE),newMode);
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std::ios::sync_with_stdio();
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// make our own weird streams so our IO isn't redirected
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stream_o = new duthomhas::stdiobuf(dfout_C);
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dfout.rdbuf(stream_o);
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std::cin.tie(&dfout);
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clear();
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// result is a terminal controlled by the parasitic code!
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}
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Console::~Console()
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{
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FreeConsole();
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}
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void Console::clear()
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{
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system("cls");
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}
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void Console::gotoxy(int x, int y)
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{
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COORD coord = {x-1, y-1}; // Windows uses 0-based coordinates
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SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
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}
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void Console::color(int index)
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{
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HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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SetConsoleTextAttribute(hConsole, index);
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}
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void Console::cursor(bool enable)
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{
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if(enable)
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{
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HANDLE hConsoleOutput;
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CONSOLE_CURSOR_INFO structCursorInfo;
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hConsoleOutput = GetStdHandle( STD_OUTPUT_HANDLE );
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GetConsoleCursorInfo( hConsoleOutput, &structCursorInfo ); // Get current cursor size
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structCursorInfo.bVisible = TRUE;
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SetConsoleCursorInfo( hConsoleOutput, &structCursorInfo );
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}
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else
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{
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HANDLE hConsoleOutput;
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CONSOLE_CURSOR_INFO structCursorInfo;
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hConsoleOutput = GetStdHandle( STD_OUTPUT_HANDLE );
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GetConsoleCursorInfo( hConsoleOutput, &structCursorInfo ); // Get current cursor size
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structCursorInfo.bVisible = FALSE;
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SetConsoleCursorInfo( hConsoleOutput, &structCursorInfo );
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}
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}
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