From d6649fa249d267f74f3a8f3654ee591fca91a7a7 Mon Sep 17 00:00:00 2001
From: bryan <bryanroessler@gmail.com>
Date: Sun, 26 Apr 2020 23:59:52 -0400
Subject: [PATCH] testing _next_display

---
 installJRMC | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/installJRMC b/installJRMC
index e4bf7c3..19eb7ef 100755
--- a/installJRMC
+++ b/installJRMC
@@ -1076,10 +1076,19 @@ EOF"
     _setDisplayAndPort() {
 
         # Check _display, else DISPLAY, else set to :0 by default
-        [[ -z $_display ]] && _display="${DISPLAY-":0"}"
+        if [[ -n $_display ]]; then
+            _next_display="$_display"
+        elif [[ -n $DISPLAY ]]; then
+            _display="${DISPLAY}"
+            _displaynum="${_display#:}" # strip colon
+            _displaynum="${_displaynum%.*}" # strip suffix
+            _next_displaynum=$(( _displaynum + 1 ))
+            _next_display=":$_next_displaynum"
+        else
+            _display=":0"
+            _next_display=":1"
+        fi
 
-        _displaynum="${_display#:}" # strip colon
-        _displaynum="${_displaynum%.*}" # strip suffix
         _port=$(( _displaynum + 5900 ))
     }
 
@@ -1182,10 +1191,6 @@ EOF"
 
         _installPackage tigervnc-server
 
-        local _next_displaynum=$(( _displaynum + 1 ))
-        _next_display=":$_next_displaynum"
-        #local _service_port=$(( _port + 1 ))
-
         _setVNCPass
 
         if [[ -n $_novncauth ]]; then
@@ -1232,7 +1237,7 @@ EOF"
 
             debug "Running: ${FUNCNAME[0]}"
 
-            installPackage xorg-x11-utils
+            _installPackage xorg-x11-utils
             _res=$(xdpyinfo | grep dimensions | awk '{print $2}')
         }
         _getResolution