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Diffstat (limited to 'src/sys/con_win32.cpp')
| -rw-r--r-- | src/sys/con_win32.cpp | 558 |
1 files changed, 558 insertions, 0 deletions
diff --git a/src/sys/con_win32.cpp b/src/sys/con_win32.cpp new file mode 100644 index 0000000..8d8783a --- /dev/null +++ b/src/sys/con_win32.cpp @@ -0,0 +1,558 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. +Copyright (C) 2000-2013 Darklegion Development +Copyright (C) 2015-2019 GrangerHub + +This file is part of Tremulous. + +Tremulous 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. + +Tremulous 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 Tremulous; if not, see <https://www.gnu.org/licenses/> + +=========================================================================== +*/ + +#include "sys_local.h" + +#include <windows.h> + +#include "qcommon/q_shared.h" +#include "qcommon/qcommon.h" + +#define QCONSOLE_HISTORY 32 + +static WORD qconsole_attrib; +static WORD qconsole_backgroundAttrib; + +// saved console status +static DWORD qconsole_orig_mode; +static CONSOLE_CURSOR_INFO qconsole_orig_cursorinfo; + +// cmd history +static char qconsole_history[ QCONSOLE_HISTORY ][ MAX_EDIT_LINE ]; +static int qconsole_history_pos = -1; +static int qconsole_history_lines = 0; +static int qconsole_history_oldest = 0; + +// current edit buffer +static char qconsole_line[ MAX_EDIT_LINE ]; +static int qconsole_linelen = 0; +static bool qconsole_drawinput = true; +static int qconsole_cursor; + +static HANDLE qconsole_hout; +static HANDLE qconsole_hin; + +/* +================== +CON_ColorCharToAttrib + +Convert Quake color character to Windows text attrib +================== +*/ +static WORD CON_ColorCharToAttrib( char color ) { + WORD attrib; + + if ( color == COLOR_WHITE ) + { + // use console's foreground and background colors + attrib = qconsole_attrib; + } + else + { + float *rgba = g_color_table[ ColorIndex( color ) ]; + + // set foreground color + attrib = ( rgba[0] >= 0.5 ? FOREGROUND_RED : 0 ) | + ( rgba[1] >= 0.5 ? FOREGROUND_GREEN : 0 ) | + ( rgba[2] >= 0.5 ? FOREGROUND_BLUE : 0 ) | + ( rgba[3] >= 0.5 ? FOREGROUND_INTENSITY : 0 ); + + // use console's background color + attrib |= qconsole_backgroundAttrib; + } + + return attrib; +} + +/* +================== +CON_CtrlHandler + +The Windows Console doesn't use signals for terminating the application +with Ctrl-C, logging off, window closing, etc. Instead it uses a special +handler routine. Fortunately, the values for Ctrl signals don't seem to +overlap with true signal codes that Windows provides, so calling +Sys_SigHandler() with those numbers should be safe for generating unique +shutdown messages. +================== +*/ +static BOOL WINAPI CON_CtrlHandler( DWORD sig ) +{ + Sys_SigHandler( sig ); + return TRUE; +} + +/* +================== +CON_HistAdd +================== +*/ +static void CON_HistAdd( void ) +{ + Q_strncpyz( qconsole_history[ qconsole_history_oldest ], qconsole_line, + sizeof( qconsole_history[ qconsole_history_oldest ] ) ); + + if( qconsole_history_lines < QCONSOLE_HISTORY ) + qconsole_history_lines++; + + if( qconsole_history_oldest >= QCONSOLE_HISTORY - 1 ) + qconsole_history_oldest = 0; + else + qconsole_history_oldest++; + + qconsole_history_pos = qconsole_history_oldest; +} + +/* +================== +CON_HistPrev +================== +*/ +static void CON_HistPrev( void ) +{ + int pos; + + pos = ( qconsole_history_pos < 1 ) ? + ( QCONSOLE_HISTORY - 1 ) : ( qconsole_history_pos - 1 ); + + // don' t allow looping through history + if( pos == qconsole_history_oldest || pos >= qconsole_history_lines ) + return; + + qconsole_history_pos = pos; + Q_strncpyz( qconsole_line, qconsole_history[ qconsole_history_pos ], + sizeof( qconsole_line ) ); + qconsole_linelen = strlen( qconsole_line ); + qconsole_cursor = qconsole_linelen; +} + +/* +================== +CON_HistNext +================== +*/ +static void CON_HistNext( void ) +{ + int pos; + + // don' t allow looping through history + if( qconsole_history_pos == qconsole_history_oldest ) + return; + + pos = ( qconsole_history_pos >= QCONSOLE_HISTORY - 1 ) ? + 0 : ( qconsole_history_pos + 1 ); + + // clear the edit buffer if they try to advance to a future command + if( pos == qconsole_history_oldest ) + { + qconsole_history_pos = pos; + qconsole_line[ 0 ] = '\0'; + qconsole_linelen = 0; + qconsole_cursor = qconsole_linelen; + return; + } + + qconsole_history_pos = pos; + Q_strncpyz( qconsole_line, qconsole_history[ qconsole_history_pos ], + sizeof( qconsole_line ) ); + qconsole_linelen = strlen( qconsole_line ); + qconsole_cursor = qconsole_linelen; +} + + +/* +================== +CON_Show +================== +*/ +static void CON_Show( void ) +{ + CONSOLE_SCREEN_BUFFER_INFO binfo; + COORD writeSize = { MAX_EDIT_LINE, 1 }; + COORD writePos = { 0, 0 }; + SMALL_RECT writeArea = { 0, 0, 0, 0 }; + COORD cursorPos; + int i; + CHAR_INFO line[ MAX_EDIT_LINE ]; + WORD attrib; + + GetConsoleScreenBufferInfo( qconsole_hout, &binfo ); + + // if we're in the middle of printf, don't bother writing the buffer + if( !qconsole_drawinput ) + return; + + writeArea.Left = 0; + writeArea.Top = binfo.dwCursorPosition.Y; + writeArea.Bottom = binfo.dwCursorPosition.Y; + writeArea.Right = MAX_EDIT_LINE; + + // set color to white + attrib = CON_ColorCharToAttrib( COLOR_WHITE ); + + // build a space-padded CHAR_INFO array + for( i = 0; i < MAX_EDIT_LINE; i++ ) + { + if( i < qconsole_linelen ) + { + if( i + 1 < qconsole_linelen && Q_IsColorString( qconsole_line + i ) ) + attrib = CON_ColorCharToAttrib( *( qconsole_line + i + 1 ) ); + + line[ i ].Char.AsciiChar = qconsole_line[ i ]; + } + else + line[ i ].Char.AsciiChar = ' '; + + line[ i ].Attributes = attrib; + } + + if( qconsole_linelen > binfo.srWindow.Right ) + { + WriteConsoleOutput( qconsole_hout, + line + (qconsole_linelen - binfo.srWindow.Right ), + writeSize, writePos, &writeArea ); + } + else + { + WriteConsoleOutput( qconsole_hout, line, writeSize, + writePos, &writeArea ); + } + + // set curor position + cursorPos.Y = binfo.dwCursorPosition.Y; + cursorPos.X = qconsole_cursor < qconsole_linelen + ? qconsole_cursor + : qconsole_linelen > binfo.srWindow.Right + ? binfo.srWindow.Right + : qconsole_linelen; + + SetConsoleCursorPosition( qconsole_hout, cursorPos ); +} + +/* +================== +CON_Hide +================== +*/ +static void CON_Hide( void ) +{ + int realLen; + + realLen = qconsole_linelen; + + // remove input line from console output buffer + qconsole_linelen = 0; + CON_Show( ); + + qconsole_linelen = realLen; +} + + +/* +================== +CON_Shutdown +================== +*/ +void CON_Shutdown( void ) +{ + CON_Hide( ); + SetConsoleMode( qconsole_hin, qconsole_orig_mode ); + SetConsoleCursorInfo( qconsole_hout, &qconsole_orig_cursorinfo ); + SetConsoleTextAttribute( qconsole_hout, qconsole_attrib ); + CloseHandle( qconsole_hout ); + CloseHandle( qconsole_hin ); +} + +/* +================== +CON_Init +================== +*/ +void CON_Init( void ) +{ + CONSOLE_SCREEN_BUFFER_INFO info; + int i; + + // handle Ctrl-C or other console termination + SetConsoleCtrlHandler( CON_CtrlHandler, TRUE ); + + qconsole_hin = GetStdHandle( STD_INPUT_HANDLE ); + if( qconsole_hin == INVALID_HANDLE_VALUE ) + return; + + qconsole_hout = GetStdHandle( STD_OUTPUT_HANDLE ); + if( qconsole_hout == INVALID_HANDLE_VALUE ) + return; + + GetConsoleMode( qconsole_hin, &qconsole_orig_mode ); + + // allow mouse wheel scrolling + SetConsoleMode( qconsole_hin, + qconsole_orig_mode & ~ENABLE_MOUSE_INPUT ); + + FlushConsoleInputBuffer( qconsole_hin ); + + GetConsoleScreenBufferInfo( qconsole_hout, &info ); + qconsole_attrib = info.wAttributes; + qconsole_backgroundAttrib = qconsole_attrib & (BACKGROUND_BLUE|BACKGROUND_GREEN|BACKGROUND_RED|BACKGROUND_INTENSITY); + + SetConsoleTitle("Tremulous Dedicated Server Console"); + + // initialize history + for( i = 0; i < QCONSOLE_HISTORY; i++ ) + qconsole_history[ i ][ 0 ] = '\0'; + + // set text color to white + SetConsoleTextAttribute( qconsole_hout, CON_ColorCharToAttrib( COLOR_WHITE ) ); +} + +/* +================== +CON_Input +================== +*/ +char *CON_Input( void ) +{ + INPUT_RECORD buff[ MAX_EDIT_LINE ]; + DWORD count = 0, events = 0; + WORD key = 0; + int i; + int newlinepos = -1; + + if( !GetNumberOfConsoleInputEvents( qconsole_hin, &events ) ) + return NULL; + + if( events < 1 ) + return NULL; + + // if we have overflowed, start dropping oldest input events + if( events >= MAX_EDIT_LINE ) + { + ReadConsoleInput( qconsole_hin, buff, 1, &events ); + return NULL; + } + + if( !ReadConsoleInput( qconsole_hin, buff, events, &count ) ) + return NULL; + + FlushConsoleInputBuffer( qconsole_hin ); + + for( i = 0; i < count; i++ ) + { + if( buff[ i ].EventType != KEY_EVENT ) + continue; + if( !buff[ i ].Event.KeyEvent.bKeyDown ) + continue; + + key = buff[ i ].Event.KeyEvent.wVirtualKeyCode; + + if( key == VK_RETURN ) + { + newlinepos = i; + qconsole_cursor = 0; + break; + } + else if( key == VK_UP ) + { + CON_HistPrev(); + break; + } + else if( key == VK_DOWN ) + { + CON_HistNext(); + break; + } + else if( key == VK_LEFT ) + { + qconsole_cursor--; + if ( qconsole_cursor < 0 ) + { + qconsole_cursor = 0; + } + break; + } + else if( key == VK_RIGHT ) + { + qconsole_cursor++; + if ( qconsole_cursor > qconsole_linelen ) + { + qconsole_cursor = qconsole_linelen; + } + break; + } + else if( key == VK_HOME ) + { + qconsole_cursor = 0; + break; + } + else if( key == VK_END ) + { + qconsole_cursor = qconsole_linelen; + break; + } + else if( key == VK_TAB ) + { + field_t f; + + Q_strncpyz( f.buffer, qconsole_line, + sizeof( f.buffer ) ); + Field_AutoComplete( &f ); + Q_strncpyz( qconsole_line, f.buffer, + sizeof( qconsole_line ) ); + qconsole_linelen = strlen( qconsole_line ); + qconsole_cursor = qconsole_linelen; + break; + } + + if( qconsole_linelen < sizeof( qconsole_line ) - 1 ) + { + char c = buff[ i ].Event.KeyEvent.uChar.AsciiChar; + + if( key == VK_BACK ) + { + if ( qconsole_cursor > 0 ) + { + int newlen = ( qconsole_linelen > 0 ) ? qconsole_linelen - 1 : 0; + if ( qconsole_cursor < qconsole_linelen ) + { + memmove( qconsole_line + qconsole_cursor - 1, + qconsole_line + qconsole_cursor, + qconsole_linelen - qconsole_cursor ); + } + + qconsole_line[ newlen ] = '\0'; + qconsole_linelen = newlen; + qconsole_cursor--; + } + } + else if( c ) + { + if ( qconsole_linelen > qconsole_cursor ) + { + memmove( qconsole_line + qconsole_cursor + 1, + qconsole_line + qconsole_cursor, + qconsole_linelen - qconsole_cursor ); + } + + qconsole_line[ qconsole_cursor++ ] = c; + + qconsole_linelen++; + qconsole_line[ qconsole_linelen ] = '\0'; + } + } + } + + if( newlinepos < 0) { + CON_Show(); + return NULL; + } + + if( !qconsole_linelen ) + { + CON_Show(); + Com_Printf( "\n" ); + return NULL; + } + + qconsole_linelen = 0; + CON_Show(); + + CON_HistAdd(); + Com_Printf( "%s\n", qconsole_line ); + + return qconsole_line; +} + +/* +================= +CON_WindowsColorPrint + +Set text colors based on Q3 color codes +================= +*/ +void CON_WindowsColorPrint( const char *msg ) +{ + static char buffer[ MAXPRINTMSG ]; + int length = 0; + + while( *msg ) + { + qconsole_drawinput = ( *msg == '\n' ); + + if( Q_IsColorString( msg ) || *msg == '\n' ) + { + // First empty the buffer + if( length > 0 ) + { + buffer[ length ] = '\0'; + fputs( buffer, stderr ); + length = 0; + } + + if( *msg == '\n' ) + { + // Reset color and then add the newline + SetConsoleTextAttribute( qconsole_hout, CON_ColorCharToAttrib( COLOR_WHITE ) ); + fputs( "\n", stderr ); + msg++; + } + else + { + // Set the color + SetConsoleTextAttribute( qconsole_hout, CON_ColorCharToAttrib( *( msg + 1 ) ) ); + msg += 2; + } + } + else + { + if( length >= MAXPRINTMSG - 1 ) + break; + + buffer[ length ] = *msg; + length++; + msg++; + } + } + + // Empty anything still left in the buffer + if( length > 0 ) + { + buffer[ length ] = '\0'; + fputs( buffer, stderr ); + } +} + +/* +================== +CON_Print +================== +*/ +void CON_Print( const char *msg ) +{ + CON_Hide( ); + + CON_WindowsColorPrint( msg ); + + CON_Show( ); +} |