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347b429fdb
Found by Coverity.
498 lines
11 KiB
C
498 lines
11 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, 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 Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "../qcommon/q_shared.h"
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#include "../qcommon/qcommon.h"
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#include "sys_local.h"
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#include "windows.h"
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#define QCONSOLE_HISTORY 32
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static WORD qconsole_attrib;
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static WORD qconsole_backgroundAttrib;
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// saved console status
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static DWORD qconsole_orig_mode;
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static CONSOLE_CURSOR_INFO qconsole_orig_cursorinfo;
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// cmd history
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static char qconsole_history[ QCONSOLE_HISTORY ][ MAX_EDIT_LINE ];
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static int qconsole_history_pos = -1;
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static int qconsole_history_lines = 0;
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static int qconsole_history_oldest = 0;
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// current edit buffer
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static char qconsole_line[ MAX_EDIT_LINE ];
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static int qconsole_linelen = 0;
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static qboolean qconsole_drawinput = qtrue;
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static HANDLE qconsole_hout;
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static HANDLE qconsole_hin;
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/*
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==================
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CON_ColorCharToAttrib
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Convert Quake color character to Windows text attrib
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==================
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*/
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static WORD CON_ColorCharToAttrib( char color ) {
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WORD attrib;
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if ( color == COLOR_WHITE )
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{
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// use console's foreground and background colors
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attrib = qconsole_attrib;
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}
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else
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{
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float *rgba = g_color_table[ ColorIndex( color ) ];
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// set foreground color
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attrib = ( rgba[0] >= 0.5 ? FOREGROUND_RED : 0 ) |
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( rgba[1] >= 0.5 ? FOREGROUND_GREEN : 0 ) |
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( rgba[2] >= 0.5 ? FOREGROUND_BLUE : 0 ) |
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( rgba[3] >= 0.5 ? FOREGROUND_INTENSITY : 0 );
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// use console's background color
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attrib |= qconsole_backgroundAttrib;
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}
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return attrib;
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}
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/*
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==================
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CON_CtrlHandler
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The Windows Console doesn't use signals for terminating the application
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with Ctrl-C, logging off, window closing, etc. Instead it uses a special
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handler routine. Fortunately, the values for Ctrl signals don't seem to
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overlap with true signal codes that Windows provides, so calling
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Sys_SigHandler() with those numbers should be safe for generating unique
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shutdown messages.
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==================
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*/
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static BOOL WINAPI CON_CtrlHandler( DWORD sig )
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{
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Sys_SigHandler( sig );
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return TRUE;
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}
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/*
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==================
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CON_HistAdd
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==================
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*/
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static void CON_HistAdd( void )
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{
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Q_strncpyz( qconsole_history[ qconsole_history_oldest ], qconsole_line,
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sizeof( qconsole_history[ qconsole_history_oldest ] ) );
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if( qconsole_history_lines < QCONSOLE_HISTORY )
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qconsole_history_lines++;
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if( qconsole_history_oldest >= QCONSOLE_HISTORY - 1 )
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qconsole_history_oldest = 0;
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else
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qconsole_history_oldest++;
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qconsole_history_pos = qconsole_history_oldest;
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}
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/*
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==================
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CON_HistPrev
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==================
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*/
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static void CON_HistPrev( void )
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{
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int pos;
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pos = ( qconsole_history_pos < 1 ) ?
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( QCONSOLE_HISTORY - 1 ) : ( qconsole_history_pos - 1 );
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// don' t allow looping through history
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if( pos == qconsole_history_oldest || pos >= qconsole_history_lines )
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return;
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qconsole_history_pos = pos;
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Q_strncpyz( qconsole_line, qconsole_history[ qconsole_history_pos ],
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sizeof( qconsole_line ) );
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qconsole_linelen = strlen( qconsole_line );
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}
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/*
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==================
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CON_HistNext
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==================
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*/
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static void CON_HistNext( void )
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{
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int pos;
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// don' t allow looping through history
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if( qconsole_history_pos == qconsole_history_oldest )
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return;
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pos = ( qconsole_history_pos >= QCONSOLE_HISTORY - 1 ) ?
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0 : ( qconsole_history_pos + 1 );
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// clear the edit buffer if they try to advance to a future command
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if( pos == qconsole_history_oldest )
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{
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qconsole_history_pos = pos;
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qconsole_line[ 0 ] = '\0';
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qconsole_linelen = 0;
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return;
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}
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qconsole_history_pos = pos;
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Q_strncpyz( qconsole_line, qconsole_history[ qconsole_history_pos ],
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sizeof( qconsole_line ) );
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qconsole_linelen = strlen( qconsole_line );
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}
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/*
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==================
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CON_Show
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==================
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*/
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static void CON_Show( void )
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{
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CONSOLE_SCREEN_BUFFER_INFO binfo;
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COORD writeSize = { MAX_EDIT_LINE, 1 };
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COORD writePos = { 0, 0 };
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SMALL_RECT writeArea = { 0, 0, 0, 0 };
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COORD cursorPos;
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int i;
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CHAR_INFO line[ MAX_EDIT_LINE ];
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WORD attrib;
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GetConsoleScreenBufferInfo( qconsole_hout, &binfo );
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// if we're in the middle of printf, don't bother writing the buffer
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if( !qconsole_drawinput )
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return;
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writeArea.Left = 0;
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writeArea.Top = binfo.dwCursorPosition.Y;
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writeArea.Bottom = binfo.dwCursorPosition.Y;
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writeArea.Right = MAX_EDIT_LINE;
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// set color to white
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attrib = CON_ColorCharToAttrib( COLOR_WHITE );
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// build a space-padded CHAR_INFO array
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for( i = 0; i < MAX_EDIT_LINE; i++ )
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{
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if( i < qconsole_linelen )
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{
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if( i + 1 < qconsole_linelen && Q_IsColorString( qconsole_line + i ) )
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attrib = CON_ColorCharToAttrib( *( qconsole_line + i + 1 ) );
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line[ i ].Char.AsciiChar = qconsole_line[ i ];
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}
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else
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line[ i ].Char.AsciiChar = ' ';
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line[ i ].Attributes = attrib;
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}
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if( qconsole_linelen > binfo.srWindow.Right )
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{
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WriteConsoleOutput( qconsole_hout,
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line + (qconsole_linelen - binfo.srWindow.Right ),
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writeSize, writePos, &writeArea );
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}
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else
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{
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WriteConsoleOutput( qconsole_hout, line, writeSize,
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writePos, &writeArea );
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}
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// set curor position
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cursorPos.Y = binfo.dwCursorPosition.Y;
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cursorPos.X = qconsole_linelen > binfo.srWindow.Right ? binfo.srWindow.Right : qconsole_linelen;
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SetConsoleCursorPosition( qconsole_hout, cursorPos );
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}
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/*
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==================
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CON_Hide
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==================
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*/
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static void CON_Hide( void )
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{
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int realLen;
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realLen = qconsole_linelen;
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// remove input line from console output buffer
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qconsole_linelen = 0;
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CON_Show( );
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qconsole_linelen = realLen;
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}
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/*
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==================
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CON_Shutdown
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==================
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*/
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void CON_Shutdown( void )
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{
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CON_Hide( );
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SetConsoleMode( qconsole_hin, qconsole_orig_mode );
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SetConsoleCursorInfo( qconsole_hout, &qconsole_orig_cursorinfo );
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SetConsoleTextAttribute( qconsole_hout, qconsole_attrib );
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CloseHandle( qconsole_hout );
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CloseHandle( qconsole_hin );
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}
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/*
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==================
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CON_Init
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==================
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*/
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void CON_Init( void )
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{
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CONSOLE_SCREEN_BUFFER_INFO info;
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int i;
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// handle Ctrl-C or other console termination
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SetConsoleCtrlHandler( CON_CtrlHandler, TRUE );
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qconsole_hin = GetStdHandle( STD_INPUT_HANDLE );
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if( qconsole_hin == INVALID_HANDLE_VALUE )
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return;
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qconsole_hout = GetStdHandle( STD_OUTPUT_HANDLE );
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if( qconsole_hout == INVALID_HANDLE_VALUE )
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return;
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GetConsoleMode( qconsole_hin, &qconsole_orig_mode );
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// allow mouse wheel scrolling
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SetConsoleMode( qconsole_hin,
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qconsole_orig_mode & ~ENABLE_MOUSE_INPUT );
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FlushConsoleInputBuffer( qconsole_hin );
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GetConsoleScreenBufferInfo( qconsole_hout, &info );
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qconsole_attrib = info.wAttributes;
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qconsole_backgroundAttrib = qconsole_attrib & (BACKGROUND_BLUE|BACKGROUND_GREEN|BACKGROUND_RED|BACKGROUND_INTENSITY);
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SetConsoleTitle(CLIENT_WINDOW_TITLE " Dedicated Server Console");
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// initialize history
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for( i = 0; i < QCONSOLE_HISTORY; i++ )
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qconsole_history[ i ][ 0 ] = '\0';
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// set text color to white
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SetConsoleTextAttribute( qconsole_hout, CON_ColorCharToAttrib( COLOR_WHITE ) );
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}
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/*
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==================
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CON_Input
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==================
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*/
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char *CON_Input( void )
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{
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INPUT_RECORD buff[ MAX_EDIT_LINE ];
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DWORD count = 0, events = 0;
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WORD key = 0;
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int i;
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int newlinepos = -1;
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if( !GetNumberOfConsoleInputEvents( qconsole_hin, &events ) )
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return NULL;
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if( events < 1 )
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return NULL;
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// if we have overflowed, start dropping oldest input events
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if( events >= MAX_EDIT_LINE )
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{
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ReadConsoleInput( qconsole_hin, buff, 1, &events );
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return NULL;
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}
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if( !ReadConsoleInput( qconsole_hin, buff, events, &count ) )
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return NULL;
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FlushConsoleInputBuffer( qconsole_hin );
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for( i = 0; i < count; i++ )
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{
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if( buff[ i ].EventType != KEY_EVENT )
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continue;
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if( !buff[ i ].Event.KeyEvent.bKeyDown )
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continue;
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key = buff[ i ].Event.KeyEvent.wVirtualKeyCode;
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if( key == VK_RETURN )
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{
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newlinepos = i;
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break;
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}
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else if( key == VK_UP )
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{
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CON_HistPrev();
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break;
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}
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else if( key == VK_DOWN )
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{
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CON_HistNext();
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break;
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}
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else if( key == VK_TAB )
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{
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field_t f;
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Q_strncpyz( f.buffer, qconsole_line,
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sizeof( f.buffer ) );
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Field_AutoComplete( &f );
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Q_strncpyz( qconsole_line, f.buffer,
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sizeof( qconsole_line ) );
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qconsole_linelen = strlen( qconsole_line );
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break;
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}
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if( qconsole_linelen < sizeof( qconsole_line ) - 1 )
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{
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char c = buff[ i ].Event.KeyEvent.uChar.AsciiChar;
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if( key == VK_BACK )
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{
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int pos = ( qconsole_linelen > 0 ) ?
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qconsole_linelen - 1 : 0;
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qconsole_line[ pos ] = '\0';
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qconsole_linelen = pos;
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}
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else if( c )
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{
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qconsole_line[ qconsole_linelen++ ] = c;
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qconsole_line[ qconsole_linelen ] = '\0';
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}
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}
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}
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if( newlinepos < 0) {
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CON_Show();
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return NULL;
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}
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if( !qconsole_linelen )
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{
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CON_Show();
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Com_Printf( "\n" );
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return NULL;
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}
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qconsole_linelen = 0;
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CON_Show();
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CON_HistAdd();
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Com_Printf( "%s\n", qconsole_line );
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return qconsole_line;
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}
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/*
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=================
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CON_WindowsColorPrint
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Set text colors based on Q3 color codes
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=================
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*/
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void CON_WindowsColorPrint( const char *msg )
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{
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static char buffer[ MAXPRINTMSG ];
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int length = 0;
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while( *msg )
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{
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qconsole_drawinput = ( *msg == '\n' );
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if( Q_IsColorString( msg ) || *msg == '\n' )
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{
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// First empty the buffer
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if( length > 0 )
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{
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buffer[ length ] = '\0';
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fputs( buffer, stderr );
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length = 0;
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}
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if( *msg == '\n' )
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{
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// Reset color and then add the newline
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SetConsoleTextAttribute( qconsole_hout, CON_ColorCharToAttrib( COLOR_WHITE ) );
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fputs( "\n", stderr );
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msg++;
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}
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else
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{
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// Set the color
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SetConsoleTextAttribute( qconsole_hout, CON_ColorCharToAttrib( *( msg + 1 ) ) );
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msg += 2;
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}
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}
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else
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{
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if( length >= MAXPRINTMSG - 1 )
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break;
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buffer[ length ] = *msg;
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length++;
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msg++;
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}
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}
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// Empty anything still left in the buffer
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if( length > 0 )
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{
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buffer[ length ] = '\0';
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fputs( buffer, stderr );
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}
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}
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/*
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==================
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CON_Print
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==================
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*/
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void CON_Print( const char *msg )
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{
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CON_Hide( );
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CON_WindowsColorPrint( msg );
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CON_Show( );
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}
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