X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=xaw%2Fxboard.c;h=b7cd5cc02253e6a5c52392f7edfcd6429587688b;hb=1e049e74232d3742d83054b6843d9d4a6446cb1a;hp=a557b417c6212c6d00ba898579d3fdc012a27f55;hpb=58829f360dca7d929444d8f3748bae8a37be7ad0;p=xboard.git

diff --git a/xaw/xboard.c b/xaw/xboard.c
index a557b41..b7cd5cc 100644
--- a/xaw/xboard.c
+++ b/xaw/xboard.c
@@ -204,7 +204,6 @@ extern char *getenv();
 #include "draw.h"
 
 #define SLASH '/'
-#define DATADIR "~~"
 
 #ifdef __EMX__
 #ifndef HAVE_USLEEP
@@ -257,6 +256,7 @@ void ManInner P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
 void DisplayMove P((int moveNumber));
 void update_ics_width P(());
 int CopyMemoProc P(());
+static int FindLogo P((char *place, char *name, char *buf));
 
 /*
 * XBoard depends on Xt R4 or higher
@@ -1293,8 +1293,10 @@ main (int argc, char **argv)
 
     if(appData.logoSize)
     {   // locate and read user logo
-	char buf[MSG_SIZ];
-	snprintf(buf, MSG_SIZ, "%s/%s.png", appData.logoDir, UserName());
+	char buf[MSG_SIZ], name[MSG_SIZ];
+	snprintf(name, MSG_SIZ, "/home/%s", UserName());
+	if(!FindLogo(name, ".logo", buf))
+	    FindLogo(appData.logoDir, name + 6, buf);
 	ASSIGN(userLogo, buf);
     }
 
@@ -2493,6 +2495,19 @@ FrameDelay (int time)
 
 #endif
 
+static int
+FindLogo (char *place, char *name, char *buf)
+{   // check if file exists in given place
+    FILE *f;
+    if(!place) return 0;
+    snprintf(buf, MSG_SIZ, "%s/%s.png", place, name);
+    if(*place && strcmp(place, ".") && (f = fopen(buf, "r")) ) {
+	fclose(f);
+	return 1;
+    }
+    return 0;
+}
+
 static void
 LoadLogo (ChessProgramState *cps, int n, Boolean ics)
 {
@@ -2502,8 +2517,11 @@ LoadLogo (ChessProgramState *cps, int n, Boolean ics)
     } else if(appData.autoLogo) {
 	if(ics) { // [HGM] logo: in ICS mode second can be used for ICS
 	    sprintf(buf, "%s/%s.png", appData.logoDir, appData.icsHost);
-	} else if(appData.logoDir && appData.logoDir[0]) {
-	    sprintf(buf, "%s/%s.png", appData.logoDir, cps->tidy);
+	} else { // engine; cascade
+	    if(!FindLogo(appData.logoDir, cps->tidy, buf) &&   // first try user log folder
+	       !FindLogo(appData.directory[n], "logo", buf) && // then engine directory
+	       !FindLogo("/usr/local/share/games/plugins/logos", cps->tidy, buf) ) // then system folders
+		FindLogo("/usr/share/games/plugins/logos", cps->tidy, buf);
 	}
     }
     if(logoName[0])