From 1d4192ba208911f914e0c6fefaf9a15946d12c98 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Tue, 31 Oct 2023 19:54:08 +0100
Subject: [PATCH] mplayer: link mpv subpage, distinguish metadata

---
 mplayer.eng.inc.pl |  7 +++++++
 mplayer.plp        | 19 +++++++++++++------
 mpv.eng.inc.pl     |  7 +++++++
 3 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/mplayer.eng.inc.pl b/mplayer.eng.inc.pl
index 930fe97..6c79fc9 100644
--- a/mplayer.eng.inc.pl
+++ b/mplayer.eng.inc.pl
@@ -1,6 +1,13 @@
 use utf8;
 
 {
+title => 'MPlayer',
+intro => join("\n",
+	'Default interface controls for the original MPlayer v1.0 media player.',
+	'Mostly inherited by <a href="/mplayer/mpv">mpv</a>.',
+),
+keywords => [qw'mpv mplayer mplayer2 media player video audio'],
+
 key => {
 	'[' => "slow down 10%",
 	']' => "speed up 10%",
diff --git a/mplayer.plp b/mplayer.plp
index 9e97d71..30c72a9 100644
--- a/mplayer.plp
+++ b/mplayer.plp
@@ -1,17 +1,19 @@
 <(common.inc.plp)><:
 
-my $mode = $Request eq 'mpv' ? $Request : 'MPlayer';
-my $include = "\L$mode.eng";
+my $mode = lc($Request || 'mplayer');
+my $include = "$mode.eng";
+
+my $info = eval { Data($include) } || {};
+$mode = $info->{title} // $mode;
 
 Html({
 	title => "\L$mode\E cheat sheet",
-	version => '1.2',
+	version => '1.3',
 	description => [
 		"Keyboard cheat sheet for the $mode media player,",
 		"overviewing the default controls."
 	],
-	keywords => [qw'
-		mpv mplayer mplayer2 media player video audio
+	keywords => [@{ $info->{keywords} // [] }, qw'
 		sheet cheat reference overview control shortkey keyboard
 	'],
 	stylesheet => [qw( light dark circus mono red )],
@@ -19,8 +21,13 @@ Html({
 	data => ["$include.inc.pl"],
 });
 
+%{$info} or Abort(
+	"Requested keyboard <q>$mode</q> not available",
+	'404 request not found',
+);
+
 say "<h1>$mode cheat sheet</h1>";
-say '';
+say "<p>$_</p>" for $info->{intro} // ();
 
 use Shiar_Sheet::Keyboard 2.08;
 my $info = Data($include);
diff --git a/mpv.eng.inc.pl b/mpv.eng.inc.pl
index 8047141..33c3a43 100644
--- a/mpv.eng.inc.pl
+++ b/mpv.eng.inc.pl
@@ -3,6 +3,13 @@ use utf8;
 my $legacy = do 'mplayer.eng.inc.pl' or die $@;
 
 {
+title => 'mpv',
+intro => join("\n",
+	'Default interface controls for version 0.28 of the mpv media player.',
+	'Differences from the original <a href="/mplayer">MPlayer</a> are indicated.',
+),
+keywords => $legacy->{keywords},
+
 key => { %{ $legacy->{key} },
 	',' => "step backward<>s",
 	'Q' => "save and quit",
-- 
2.30.0