From 7337e99c265bc2841f276f1f6bd96d6ae4d4d31d Mon Sep 17 00:00:00 2001
From: Gardouille <gardouille@gmail.com>
Date: Fri, 23 Oct 2020 10:15:41 +0200
Subject: [PATCH] Use LVDS for laptop or first connected output

---
 ecran | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/ecran b/ecran
index 0dbe32c..c0b213f 100755
--- a/ecran
+++ b/ecran
@@ -59,6 +59,28 @@ get_primary_output_name() {                                     # {{{
 	if [ -n "${local_primary_output_name}" ]; then
 		debug_message "get_primary_output_name − \
 An output is defined as primary: ${local_primary_output_name}".
+
+	else
+		## Then check if an output starting with "LVD" (typically a laptop) is connected
+		local_primary_output_name=$(xrandr | grep "^LVD" | grep " connected" | awk 'NR==1{ print $1 }')
+		if [ -n "${local_primary_output_name}" ]; then
+			debug_message "get_primary_output_name − \
+The primary output seems to be a laptop screen: ${local_primary_output_name}".
+
+		else
+			## Then check if any output is connected and take the first one
+			local_primary_output_name=$(xrandr | grep " connected" | awk 'NR==1{ print $1 }')
+			if [ -n "${local_primary_output_name}" ]; then
+				debug_message "get_primary_output_name − \
+Take the first connected output as primary: ${local_primary_output_name}".
+
+			else
+				debug_message "get_primary_output_name − \
+Unable to get primary output name!
+Ensure to have a primary, LVDS or any connected output in xrandr."
+				exit 2
+			fi
+		fi
 	fi
 
 	readonly MAIN_OUTPUT_NAME="${local_primary_output_name}"