From 1151a80769188f307371a6e2b1e3abf4b3e7f482 Mon Sep 17 00:00:00 2001
From: Robbert van der Helm <mail@robbertvanderhelm.nl>
Date: Mon, 28 Feb 2022 17:18:11 +0100
Subject: [PATCH] Add the other CLAP metadata fields

---
 plugins/diopser/src/lib.rs           |  5 +++++
 plugins/examples/gain-gui/src/lib.rs |  4 ++++
 plugins/examples/gain/src/lib.rs     |  4 ++++
 plugins/examples/sine/src/lib.rs     |  4 ++++
 src/plugin.rs                        | 14 ++++++++++++++
 5 files changed, 31 insertions(+)

diff --git a/plugins/diopser/src/lib.rs b/plugins/diopser/src/lib.rs
index 938fe28a..e9b5793e 100644
--- a/plugins/diopser/src/lib.rs
+++ b/plugins/diopser/src/lib.rs
@@ -412,6 +412,11 @@ fn unnormalize_automation_precision(normalized: f32) -> u32 {
 
 impl ClapPlugin for Diopser {
     const CLAP_ID: &'static str = "nl.robbertvanderhelm.diopser";
+    const CLAP_DESCRIPTION: &'static str = "A totally original phase rotation plugin";
+    const CLAP_KEYWORDS: &'static [&'static str] =
+        &["audio_effect", "mono", "stereo", "filter", "utility"];
+    const CLAP_MANUAL_URL: &'static str = Self::URL;
+    const CLAP_SUPPORT_URL: &'static str = Self::URL;
 }
 
 impl Vst3Plugin for Diopser {
diff --git a/plugins/examples/gain-gui/src/lib.rs b/plugins/examples/gain-gui/src/lib.rs
index 7cc61e95..171e59ab 100644
--- a/plugins/examples/gain-gui/src/lib.rs
+++ b/plugins/examples/gain-gui/src/lib.rs
@@ -204,6 +204,10 @@ impl Plugin for Gain {
 
 impl ClapPlugin for Gain {
     const CLAP_ID: &'static str = "com.moist-plugins-gmbh.gain";
+    const CLAP_DESCRIPTION: &'static str = "A smoothed gain parameter example plugin";
+    const CLAP_KEYWORDS: &'static [&'static str] = &["audio_effect", "mono", "stereo", "tool"];
+    const CLAP_MANUAL_URL: &'static str = Self::URL;
+    const CLAP_SUPPORT_URL: &'static str = Self::URL;
 }
 
 impl Vst3Plugin for Gain {
diff --git a/plugins/examples/gain/src/lib.rs b/plugins/examples/gain/src/lib.rs
index dafc6a5f..472c54d3 100644
--- a/plugins/examples/gain/src/lib.rs
+++ b/plugins/examples/gain/src/lib.rs
@@ -131,6 +131,10 @@ impl Plugin for Gain {
 
 impl ClapPlugin for Gain {
     const CLAP_ID: &'static str = "com.moist-plugins-gmbh.gain";
+    const CLAP_DESCRIPTION: &'static str = "A smoothed gain parameter example plugin";
+    const CLAP_KEYWORDS: &'static [&'static str] = &["audio_effect", "mono", "stereo", "tool"];
+    const CLAP_MANUAL_URL: &'static str = Self::URL;
+    const CLAP_SUPPORT_URL: &'static str = Self::URL;
 }
 
 impl Vst3Plugin for Gain {
diff --git a/plugins/examples/sine/src/lib.rs b/plugins/examples/sine/src/lib.rs
index f36250e3..da060673 100644
--- a/plugins/examples/sine/src/lib.rs
+++ b/plugins/examples/sine/src/lib.rs
@@ -178,6 +178,10 @@ impl Plugin for Sine {
 
 impl ClapPlugin for Sine {
     const CLAP_ID: &'static str = "com.moist-plugins-gmbh.sine";
+    const CLAP_DESCRIPTION: &'static str = "An optionally MIDI controlled sine test tone";
+    const CLAP_KEYWORDS: &'static [&'static str] = &["instrument", "mono", "stereo", "utility"];
+    const CLAP_MANUAL_URL: &'static str = Self::URL;
+    const CLAP_SUPPORT_URL: &'static str = Self::URL;
 }
 
 impl Vst3Plugin for Sine {
diff --git a/src/plugin.rs b/src/plugin.rs
index aeb9b6b7..d9fa5f76 100644
--- a/src/plugin.rs
+++ b/src/plugin.rs
@@ -106,6 +106,20 @@ pub trait ClapPlugin: Plugin {
     /// A unique ID that identifies this particular plugin. This is usually in reverse domain name
     /// notation, e.g. `com.manufacturer.plugin-name`.
     const CLAP_ID: &'static str;
+    /// A short description for the plugin.
+    const CLAP_DESCRIPTION: &'static str;
+    /// Arbitrary keywords describing the plugin. See the CLAP specification for examples:
+    /// <https://github.com/free-audio/clap/blob/main/include/clap/plugin.h>.
+    //
+    // TODO: CLAP mentions that `win32-dpi-aware` is a special keyword that informs the host that
+    //       the plugin is DPI aware, can and should we have special handling for this?
+    const CLAP_KEYWORDS: &'static [&'static str];
+    /// A URL to the plugin's manual, CLAP does not specify what to do when there is none.
+    //
+    // TODO: CLAP does not specify this, can these manual fields be null pointers?
+    const CLAP_MANUAL_URL: &'static str;
+    /// A URL to the plugin's support page, CLAP does not specify what to do when there is none.
+    const CLAP_SUPPORT_URL: &'static str;
 }
 
 /// Provides auxiliary metadata needed for a VST3 plugin.