From e9e222f6fa81378afd45652c3a30aeccdb0c7e9e Mon Sep 17 00:00:00 2001
From: noctuid <noct@openmailbox.org>
Date: Thu, 22 Dec 2016 13:38:32 -0500
Subject: [PATCH] Ignore disabled monitors for -m

Don't check monitors without dimensions in xrandr's output.
Addresses #26.
---
 tdrop | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/tdrop b/tdrop
index d2ea7a2..1912656 100755
--- a/tdrop
+++ b/tdrop
@@ -244,16 +244,18 @@ update_geometry_settings_for_monitor() {
 		monitors_info=$(xrandr --query | awk '/ connected/ {gsub("primary ",""); print}')
 		while read -r monitor; do
 			monitor_geo=$(echo "$monitor" | awk '{print $3}')
-			x_begin=$(echo "$monitor_geo" | awk -F '+' '{print $2}')
-			y_begin=$(echo "$monitor_geo" | awk -F '+' '{print $3}')
-			x_width=$(echo "$monitor_geo" | awk -F 'x' '{print $1}')
-			y_height=$(echo "$monitor_geo" | awk -F 'x|+' '{print $2}')
-			x_end=$((x_begin+x_width))
-			y_end=$((y_begin+y_height))
-			if [[ $window_x -ge $x_begin ]] && [[ $window_x -lt $x_end ]] && \
-				[[ $window_y -ge $y_begin ]] && [[ $window_y -lt $y_end ]]; then
-				current_monitor=$(echo "$monitor" | awk '{print $1}')
-				break
+			if [[ $monitor_geo =~ ^[0-9]+x[0-9]+\+[0-9]+\+[0-9]+$ ]]; then
+				x_begin=$(echo "$monitor_geo" | awk -F '+' '{print $2}')
+				y_begin=$(echo "$monitor_geo" | awk -F '+' '{print $3}')
+				x_width=$(echo "$monitor_geo" | awk -F 'x' '{print $1}')
+				y_height=$(echo "$monitor_geo" | awk -F 'x|+' '{print $2}')
+				x_end=$((x_begin+x_width))
+				y_end=$((y_begin+y_height))
+				if [[ $window_x -ge $x_begin ]] && [[ $window_x -lt $x_end ]] && \
+					[[ $window_y -ge $y_begin ]] && [[ $window_y -lt $y_end ]]; then
+					current_monitor=$(echo "$monitor" | awk '{print $1}')
+					break
+				fi
 			fi
 		done <<< "$monitors_info"
 	fi