From 536fe50335df801d3889cd55b827bdd8055f0715 Mon Sep 17 00:00:00 2001
From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Thu, 4 Feb 2010 16:09:25 +0100
Subject: [PATCH] Use squares for computer seek ads

Shape indication passed in sign bit of color (char) variable.
---
 backend.c           |    4 +++-
 winboard/winboard.c |    6 ++++++
 xboard.c            |   12 ++++++++++--
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/backend.c b/backend.c
index 4abf619..6499a0d 100644
--- a/backend.c
+++ b/backend.c
@@ -2068,6 +2068,7 @@ int suppressKibitz = 0;
 Boolean soughtPending = FALSE;
 Boolean seekGraphUp;
 #define MAX_SEEK_ADS 200
+#define SQUARE 0x80
 char *seekAdList[MAX_SEEK_ADS];
 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
 float tcList[MAX_SEEK_ADS];
@@ -2095,7 +2096,8 @@ PlotSeekAd(int i)
 	   !strstr(seekAdList[i], "bullet") &&
 	   !strstr(seekAdList[i], "blitz") &&
 	   !strstr(seekAdList[i], "standard") ) color = 2;
-	DrawSeekDot(xList[i]=x+3*color, yList[i]=h-1-y, colorList[i]=color);
+	if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
+	DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
 }
 
 void
diff --git a/winboard/winboard.c b/winboard/winboard.c
index 29f7981..fae7a9d 100644
--- a/winboard/winboard.c
+++ b/winboard/winboard.c
@@ -3127,8 +3127,14 @@ void DrawSeekText(char *buf, int x, int y)
 
 void DrawSeekDot(int x, int y, int color)
 {
+	int square = color & 0x80;
+	color &= 0x7F;
 	    HBRUSH oldBrush = SelectObject(hdcSeek, 
 			color == 0 ? markerBrush : color == 1 ? darkSquareBrush : explodeBrush);
+	if(square)
+	    Rectangle(hdcSeek, boardRect.left+x - squareSize/9, boardRect.top+y - squareSize/9,
+			       boardRect.left+x + squareSize/9, boardRect.top+y + squareSize/9);
+	else
 	    Ellipse(hdcSeek, boardRect.left+x - squareSize/8, boardRect.top+y - squareSize/8,
 			     boardRect.left+x + squareSize/8, boardRect.top+y + squareSize/8);
 	    SelectObject(hdcSeek, oldBrush);
diff --git a/xboard.c b/xboard.c
index 7e30187..6233629 100644
--- a/xboard.c
+++ b/xboard.c
@@ -4321,9 +4321,17 @@ void DrawSeekText(char *buf, int x, int y)
     XDrawString(xDisplay, xBoardWindow, coordGC, x, y+4, buf, strlen(buf));
 }
 
-void DrawSeekDot(int x, int y, int color)
-{
-	XFillArc(xDisplay, xBoardWindow, color == 0 ? prelineGC : color == 1 ? darkSquareGC : highlineGC, 
+void DrawSeekDot(int x, int y, int colorNr)
+{
+    int square = colorNr & 0x80;
+    GC color;
+    colorNr &= 0x7F;
+    color = colorNr == 0 ? prelineGC : colorNr == 1 ? darkSquareGC : highlineGC;
+    if(square)
+	XFillRectangle(xDisplay, xBoardWindow, color,
+		x-squareSize/9, y-squareSize/9, 2*squareSize/9, 2*squareSize/9);
+    else
+	XFillArc(xDisplay, xBoardWindow, color, 
 		x-squareSize/8, y-squareSize/8, squareSize/4, squareSize/4, 0, 64*360);
 }
 
-- 
1.7.0.4