From d35f6ca3dbea9576ac38a834f2b3e0152f0ff9bd Mon Sep 17 00:00:00 2001
From: Zack Middleton <zturtleman@gmail.com>
Date: Tue, 8 Jan 2013 17:20:01 -0600
Subject: Colorize text on win32 console

Text input line color based on code by "spior"
Main colorize function based on Sys_AnsiColorPrint in sys_main.c
---
 src/sys/con_win32.c | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 104 insertions(+), 2 deletions(-)

diff --git a/src/sys/con_win32.c b/src/sys/con_win32.c
index a39bd159..73f62cd1 100644
--- a/src/sys/con_win32.c
+++ b/src/sys/con_win32.c
@@ -29,6 +29,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #define QCONSOLE_HISTORY 32
 
 static WORD qconsole_attrib;
+static WORD qconsole_backgroundAttrib;
 
 // saved console status
 static DWORD qconsole_orig_mode;
@@ -46,6 +47,38 @@ static int qconsole_linelen = 0;
 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
@@ -144,6 +177,7 @@ static void CON_Show( void )
 	SMALL_RECT writeArea = { 0, 0, 0, 0 };
 	int i;
 	CHAR_INFO line[ MAX_EDIT_LINE ];
+	WORD attrib;
 
 	GetConsoleScreenBufferInfo( qconsole_hout, &binfo );
 
@@ -156,15 +190,21 @@ static void CON_Show( void )
 	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( Q_IsColorString( qconsole_line + i ) )
+			attrib = CON_ColorCharToAttrib( *( qconsole_line + i + 1 ) );
+
 		if( i < qconsole_linelen )
 			line[ i ].Char.AsciiChar = qconsole_line[ i ];
 		else
 			line[ i ].Char.AsciiChar = ' ';
 
-		line[ i ].Attributes =  qconsole_attrib;
+		line[ i ].Attributes = attrib;
 	}
 
 	if( qconsole_linelen > binfo.srWindow.Right )
@@ -189,6 +229,7 @@ void CON_Shutdown( void )
 {
 	SetConsoleMode( qconsole_hin, qconsole_orig_mode );
 	SetConsoleCursorInfo( qconsole_hout, &qconsole_orig_cursorinfo );
+	SetConsoleTextAttribute( qconsole_hout, qconsole_attrib );
 	CloseHandle( qconsole_hout );
 	CloseHandle( qconsole_hin );
 }
@@ -225,6 +266,7 @@ void CON_Init( void )
 
 	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");
 
@@ -237,6 +279,9 @@ void CON_Init( void )
 	// 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 ) );
 }
 
 /*
@@ -348,6 +393,63 @@ char *CON_Input( void )
 	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 )
+	{
+		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
@@ -355,7 +457,7 @@ CON_Print
 */
 void CON_Print( const char *msg )
 {
-	fputs( msg, stderr );
+	CON_WindowsColorPrint( msg );
 
 	CON_Show( );
 }
-- 
cgit