updategeom fix for same geom screens - dwm

commit c13be8d620372a55f5867cafd6ad4277ad77790c
parent dc39ae85681db71c6cfcaac442c1317c8b313566
Author: Anselm R Garbe <garbeam@gmail.com>
Date:   Tue, 21 Jul 2009 08:57:04 +0100

updategeom fix for same geom screens
Diffstat:
M config.mk  | 2 +-
M dwm.c  | 7 ++++++-

2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/config.mk b/config.mk
@@ -1,5 +1,5 @@
 # dwm version
-VERSION = 5.7
+VERSION = 5.6.1
 
 # Customize below to fit your system
 
diff --git a/dwm.c b/dwm.c
@@ -1683,7 +1683,7 @@ updatebarpos(Monitor *m) {
 
 void
 updategeom(void) {
-    int i, n = 1;
+    int i, n = 1, nn;
     Client *c;
     Monitor *newmons = NULL, *m = NULL, *tm;
 
@@ -1692,6 +1692,11 @@ updategeom(void) {
 
     if(XineramaIsActive(dpy))
         info = XineramaQueryScreens(dpy, &n);
+    for(i = 1, nn = n; i < n; i++)
+        if(info[i - 1].x_org == info[i].x_org && info[i - 1].y_org == info[i].y_org
+        && info[i - 1].width == info[i].width && info[i - 1].height == info[i].height)
+            --nn;
+    n = nn; /* we only consider unique geometrys as separate screens */
 #endif /* XINERAMA */
     /* allocate monitor(s) for the new geometry setup */
     for(i = 0; i < n; i++) {