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Default displays changed. Added fallback action.

If a config is selected for which the displays do not exist, either bail
or if in recovery mode, restore 'detached'. The latter was added in
anticipation of the swayidle script which will attempt to restore a
layout that may no longer be possible. Since swayidle disables dpms, it
must allow a backup display to come live if the last logged layout is
not possible.
master
John Mertz 5 月之前
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41ebb871d6
共有 1 個檔案被更改,包括 48 行新增9 行删除
  1. +48
    -9
      sway/displays.pl

+ 48
- 9
sway/displays.pl 查看文件

@@ -36,6 +36,9 @@ my $waybar_temporary = '/tmp';
# File to log and recover last used layout name
my $last = "$ENV{'HOME'}/.config/last_display";

# File to log active outputs (used by swayidle, and to attempt to restore
my $active_outputs = "$ENV{'HOME'}/.config/active_outputs";

########################################################################
# Display Serials and Names
########################################################################
@@ -45,9 +48,12 @@ my $last = "$ENV{'HOME'}/.config/last_display";
# $ swaymsg -t get_outputs
# Output eDP-1 'Unknown 0x057D *0x00000000*'
my %outputs = (
'0x00000101' => 'Sam',
#'0x00000101' => 'Sam',
'HTNCB00059' => 'Sam',
#'3CQ3310Q1Q' => 'Sam',
'3CQ4342S6W' => 'HP-1',
'3CQ3310Q1Q' => 'HP-2',
'0x00000101' => 'HP-2',
#'3CQ3310Q1Q' => 'HP-2',
'0x00000000' => 'LVDS'
);

@@ -93,7 +99,7 @@ my %configs = (
'on' => 1,
'width' => 1920,
'height' => 1080,
'x' => 0,
'x' => 1920,
'y' => 1200,
'rotate' => 0,
'waybar' => 'top'
@@ -102,7 +108,7 @@ my %configs = (
'on' => 1,
'width' => 1920,
'height' => 1080,
'x' => 1920,
'x' => 0,
'y' => 1200,
'rotate' => 0,
'waybar' => 'top'
@@ -153,6 +159,7 @@ use strict;
use warnings;

my $waybar_only = 0;
my $restore = 0; # Set if no config is provided. Requires validation.
my $config;

if (scalar(@ARGV)) {
@@ -176,12 +183,18 @@ unless (defined $config) {
$config = <$fh>;
close($fh);
chomp $config;
$restore = 1;
}

# Bail if requested config doesn't exist
unless (defined $configs{$config}) {
die "$config is not a defined configuration: "
. join(', ', keys %configs) . "\n";
if (!defined($configs{$config})) {
if ($restore) {
# If restoration is attempted with invalid config, just enable eDP-1
$config = 'detached';
} else {
die "$config is not a defined configuration: "
. join(', ', keys %configs) . "\n";
}
}

# Write config that is to be used so that it can be recovered as default
@@ -190,6 +203,7 @@ open(my $fh, '>', $last) ||
print $fh $config;
close($fh);


# Fetch connected displays
use JSON::XS;
my $json = JSON::XS->new();
@@ -224,6 +238,24 @@ for (my $i = 0; $i < scalar(@$displays); $i++) {

}

# Verify that all requested displays are actually available
my @unavailable;
foreach my $output (keys %$on) {
my $found = 0;
foreach my $o (keys %outputs) {
if ($outputs{$o} eq $output) {
$found = 1;
last;
}
}
unless ($found) {
push @unavailable, $output;
}
}
if (scalar(@unavailable)) {
die "Config requires unavailable output(s) " . join(', ', @unavailable) . "\n";
}

# Skip enabling/disabling displays if only running waybar (re)start
unless ($waybar_only) {
# Number of simultaneous outputs is limited by gpu, so disabled displays
@@ -279,9 +311,11 @@ $template =~ s/^[^\[\{]*\[(.*)\]$/$1/s;
my $waybar = '';

# Configure each enabled display
my @active;
foreach my $out (keys %$on) {

unless ($waybar_only) {
push @active, $on->{$out}->{output};
unless ($waybar_only) {
# Build command, starting by enabling and powering on
my $cmd = "sway output $on->{$out}->{output} enable dpms on";

@@ -334,6 +368,11 @@ foreach my $out (keys %$on) {
}
}

open($fh, '>', $active_outputs);
print $fh join(' ', @active);
close($fh);


# Restore array formatting
$waybar = '[' . $waybar . ']';

@@ -348,7 +387,7 @@ unless ($pid) {
open ($fh, '>', $tmp);
print $fh $waybar;
close $fh;
`nohup waybar --config=$tmp`;
`nohup waybar --config=$tmp >> waybar.log`;

# Remove config
unlink $tmp;


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