From 549512fb9455f688f71f73ec7e1800c00435abf8 Mon Sep 17 00:00:00 2001
From: John Mertz <john.mertz@mailcleaner.net>
Date: Thu, 11 Nov 2021 22:01:07 -0500
Subject: [PATCH] Dynamic scale for Yoga

This is a big-ol hack. I should ideally just have an external file for
the configs which differs for each device.
---
 sway/displays.pl | 79 ++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 73 insertions(+), 6 deletions(-)

diff --git a/sway/displays.pl b/sway/displays.pl
index cad1074..8a86095 100755
--- a/sway/displays.pl
+++ b/sway/displays.pl
@@ -30,7 +30,9 @@
 # "width": __WIDTH__ (optional)
 my $waybar_template = "$ENV{'HOME'}/.config/waybar/config.template";
 
-my $swaysock = "/home/jpm/.config/sway-ipc.sock";
+#my $swaysock = "/home/jpm/.config/sway-ipc.sock";
+my $swaysock = `ls /run/user/1000/sway-ipc.1000*`;
+chomp($swaysock);
 
 # Path to actual config file generated from template
 my $waybar_config = "$ENV{'HOME'}/.config/waybar/config";
@@ -76,13 +78,45 @@ my %configs = (
                 'Sam' => {
                         'on' => 0
                 },
-                'LVDS' => {
+                'eDP-1' => {
                         'on' => 1,
                         'width' => 1920,
                         'height' => 1080,
                         'x' => 0,
                         'y' => 0,
                         'rotate' => 0,
+                        'waybar' => 'bottom',
+                }
+        },
+        'stacked-laptop' => {
+                'Sam' => {
+                        'on' => 1,
+                        'width' => 1920,
+                        'height' => 1200,
+                        'x' => 960,
+                        'y' => 0,
+                        'rotate' => 0,
+                        'waybar' => 'bottom'
+                },
+                'HP-1' => {
+                        'on' => 1,
+                        'width' => 1920,
+                        'height' => 1080,
+                        'x' => 1920,
+                        'y' => 1200,
+                        'rotate' => 0,
+                        'waybar' => 'top'
+                },
+                'HP-2' => {
+                        'on' => 0
+                },
+                'eDP-1' => {
+                        'on' => 1,
+                        'width' => 1920,
+                        'height' => 1080,
+                        'x' => 0,
+                        'y' => 1200,
+                        'rotate' => 0,
                         'waybar' => 'bottom'
                 }
         },
@@ -90,7 +124,7 @@ my %configs = (
                 'Sam' => {
                         'on' => 1,
                         'width' => 1920,
-                        'height' => 1280,
+                        'height' => 1200,
                         'x' => 960,
                         'y' => 0,
                         'rotate' => 0,
@@ -114,7 +148,7 @@ my %configs = (
                         'rotate' => 0,
                         'waybar' => 'top'
                 },
-                'LVDS' => {
+                'eDP-1' => {
                         'on' => 0
                 }
         },
@@ -152,6 +186,30 @@ my %configs = (
         }
 );
 
+my $hostname = `hostname`;
+chomp($hostname);
+if ($hostname eq "yoga.lan.john.me.tz") {
+	$configs{'detached'}->{'eDP-1'}->{'width'} = 2560;
+	$configs{'detached'}->{'eDP-1'}->{'height'} = 1440;
+	$configs{'detached'}->{'eDP-1'}->{'scale'} = 1.333333;
+}
+
+
+########################################################################
+# Disable display from other laptop
+########################################################################
+
+if ($ENV{'SSH_AUTH_SOCK'} eq '/home/jpm/.ssh/ssh-agent.yoga.lan.john.me.tz.sock') {
+	foreach my $layout (keys %configs) {
+		delete($configs{$layout}{'LVDS'});
+	}
+        $outputs{'0x00000000'} = 'eDP-1';
+} else {
+	foreach my $layout (keys %configs) {
+		delete($configs{$layout}{'eDP-1'});
+	}
+}
+
 ########################################################################
 # Program (do not edit below)
 ########################################################################
@@ -323,6 +381,9 @@ foreach my $out (keys %$on) {
 			" enable dpms on";
 
                 # If additional options are provided, add them to command
+                if (defined $on->{$out}->{scale}) {
+                        $cmd .= " scale $on->{$out}->{scale}";
+                }
                 if (defined $on->{$out}->{rotate}) {
                         $cmd .= " transform $on->{$out}->{rotate}";
                 }
@@ -364,7 +425,12 @@ foreach my $out (keys %$on) {
                 $waybar =~ s/__OUTPUT__/"$on->{$out}->{output}"/;
                 $waybar =~ s/__POSITION__/"$on->{$out}->{waybar}"/;
                 if (defined $on->{$out}->{width}) {
-                        $waybar =~ s/__WIDTH__/$on->{$out}->{width}/;
+			my $x = $on->{$out}->{width};
+			if (defined $on->{$out}->{scale}) {
+				$x = sprintf("%.0d", $x / $on->{$out}->{scale});
+				print "width: $x\n";
+			}
+                        $waybar =~ s/__WIDTH__/$x/;
                 # If width is not set, comment that line out to use default
                 } else {
                         $waybar =~ s/([^\s]*\s*)__WIDTH__/\/\/ $1__WIDTH__/gg;
@@ -390,5 +456,6 @@ unless ($pid) {
         open ($fh, '>', $waybar_config);
         print $fh $waybar;
         close $fh;
-        `WAYLAND_DISPLAY=wayland-1 nohup waybar --config=$waybar_config >> waybar.log`;
+	my $waydisplay = $ENV{'WAYLAND_DISPLAY'} || 'wayland-0';
+        `WAYLAND_DISPLAY=$waydisplay nohup waybar --config=$waybar_config >> waybar.log`;
 }