From c15d344e1f405def300d71e03bcfdcb56e4a723d Mon Sep 17 00:00:00 2001
From: tgoff0 <tgoff0@gmail.com>
Date: Fri, 30 Jan 2015 02:46:14 +0000
Subject: [PATCH] gui: Only consider nodes on the same canvas when doing 'Link
 to all routers'.

---
 gui/wlan.tcl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gui/wlan.tcl b/gui/wlan.tcl
index e731614e..2380407a 100644
--- a/gui/wlan.tcl
+++ b/gui/wlan.tcl
@@ -142,6 +142,8 @@ proc linkSelectedNodes { wlan nodes } {
 proc linkAllNodes { wlan } {
     global node_list
 
+    set canvas [getNodeCanvas $wlan]
+
     # vars related to the status bar graph
     set num 0
     set num_nodes [llength $node_list]
@@ -157,6 +159,7 @@ proc linkAllNodes { wlan } {
 	     [expr { ($num % $update_interval) }] == 0 } { update }
         if { [nodeType $node] != "router" } { continue }
 	if { [ifcByPeer $wlan $node] != "" } { continue } ;# already linked
+	if { [getNodeCanvas $node] != $canvas } { continue }; # on a different canvas
         newGUILink $wlan $node
     }
     .c config -cursor left_ptr; update