dolphin/Source/Core/Common/Src/ConsoleWindow.cpp

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// Copyright (C) 2003-2008 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
// Includes
#include <string> // System: To be able to add strings with "+"
#include <stdio.h>
#ifdef _WIN32
#include <windows.h>
#else
#include <stdarg.h>
#endif
#include "Common.h"
#include "ConsoleWindow.h" // Common
// Declarations and definitions
namespace Console
{
// Create handles
FILE* __fStdOut = NULL;
#ifdef _WIN32
HANDLE __hStdOut = NULL;
#endif
/* Start console window - width and height is the size of console window, if you enable
File the output will also be written to this file. */
void Open(int Width, int Height, char * Name, bool File)
{
#ifdef _WIN32
// Open the console window and create the window handle for GetStdHandle()
AllocConsole();
// Save the window handle that AllocConsole() created
__hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
// Set the console window title
SetConsoleTitle(Name);
// Set the total letter space
COORD co = {Width, Height};
SetConsoleScreenBufferSize(__hStdOut, co);
/* Set the window size in number of letters. The height is hardcoded here because it can
be changed with MoveWindow() later */
SMALL_RECT coo = {0,0, (Width - 1),50}; // Top, left, right, bottom
SetConsoleWindowInfo(__hStdOut, TRUE, &coo);
#endif
// Create a file and a file handle if File is enabled and we don't already have a file handle
if(File && !__fStdOut)
{
// Edit the log file name
std::string FileEnding = ".log";
std::string FileName = Name;
std::string FullFilename = (FileName + FileEnding);
// Open the file handle
__fStdOut = fopen(FullFilename.c_str(), "w");
}
}
/* Close the console window and close the eventual file handle */
void Close()
{
#ifdef _WIN32
FreeConsole(); // Close the console window
#endif
if(__fStdOut) fclose(__fStdOut); // Close the file handle
}
// Print to screen and file
int Print(const char *fmt, ...)
{
// Maximum bytes, mind this value to avoid an overrun
static const int MAX_BYTES = 1024*20;
#if defined(_WIN32)
if(__hStdOut)
{
#endif
char s[MAX_BYTES];
va_list argptr;
int cnt; // To store the vsnprintf return message
va_start(argptr, fmt);
cnt = vsnprintf(s, MAX_BYTES, fmt, argptr);
va_end(argptr);
#if defined(_WIN32)
DWORD cCharsWritten; // We will get a value back here
WriteConsole(__hStdOut, s, (DWORD)strlen(s), &cCharsWritten, NULL);
#else
fprintf(stderr, "%s", s);
#endif
// Write to the file
if(__fStdOut)
{
fprintf(__fStdOut, "%s", s);
fflush(__fStdOut); // Write file now, don't wait
}
return(cnt);
#if defined(_WIN32)
} else
{
return 0;
}
#endif
}
// Clear console screen
void ClearScreen()
{
#if defined(_WIN32)
if(__hStdOut) // Check that we have a window handle
{
COORD coordScreen = { 0, 0 };
DWORD cCharsWritten;
CONSOLE_SCREEN_BUFFER_INFO csbi;
DWORD dwConSize;
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfo(hConsole, &csbi);
dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
FillConsoleOutputCharacter(hConsole, TEXT(' '), dwConSize,
coordScreen, &cCharsWritten);
GetConsoleScreenBufferInfo(hConsole, &csbi);
FillConsoleOutputAttribute(hConsole, csbi.wAttributes, dwConSize,
coordScreen, &cCharsWritten);
SetConsoleCursorPosition(hConsole, coordScreen);
}
#endif
}
/* Get window handle of console window to be able to resize it. We use
GetConsoleTitle() and FindWindow() to locate the console window handle. */
#if defined(_WIN32)
HWND GetHwnd(void)
{
#define MY_BUFSIZE 1024 // Buffer size for console window titles
HWND hwndFound; // This is what is returned to the caller
char pszNewWindowTitle[MY_BUFSIZE]; // Contains fabricated WindowTitle
char pszOldWindowTitle[MY_BUFSIZE]; // Contains original WindowTitle
// Fetch current window title.
GetConsoleTitle(pszOldWindowTitle, MY_BUFSIZE);
// Format a "unique" NewWindowTitle
wsprintf(pszNewWindowTitle, "%d/%d", GetTickCount(), GetCurrentProcessId());
// Change current window title
SetConsoleTitle(pszNewWindowTitle);
// Ensure window title has been updated
Sleep(40);
// Look for NewWindowTitle
hwndFound = FindWindow(NULL, pszNewWindowTitle);
// Restore original window title
SetConsoleTitle(pszOldWindowTitle);
return(hwndFound);
}
#endif // _WIN32
} // namespace