From 7e0b19d4d962087b8c9be85c4f6bcd217ced7b71 Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Tue, 30 Oct 2018 00:15:38 +0100
Subject: If no 'mappings.dkmap' file is found, use default mappings

If a mappings file is found but is empty, no mappings will be set. Hmm,
that sounds wrong. We still want to keep the defaults even if only some
button triggers are mapped. Making buttons do nothing is what `<Nop>` is
for, not this behaviour. Darn.
---
 src/parser.rs | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

(limited to 'src/parser.rs')

diff --git a/src/parser.rs b/src/parser.rs
index fe56fca..8314e0d 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -203,6 +203,58 @@ impl MapGroup {
     }
 }
 
+/// Default headphone button mappings:
+///
+/// * Up → Volume up
+/// * Middle → Play
+/// * Down → Volume down
+impl Default for MapGroup {
+    fn default() -> Self {
+        let mut default_maps: MapCollection = HashMap::new();
+        default_maps.insert(
+            vec![HeadphoneButton::Up],
+            MapAction {
+                action: Action::Map(
+                    vec![KeyboardKeyWithModifiers::new(
+                        KeyboardKey::NXKey(key_code::NX_KEYTYPE_SOUND_UP),
+                        vec![],
+                    )]
+                ),
+                kind: MapKind::Map,
+            },
+        );
+        default_maps.insert(
+            vec![HeadphoneButton::Play],
+            MapAction {
+                action: Action::Map(
+                    vec![KeyboardKeyWithModifiers::new(
+                        KeyboardKey::NXKey(key_code::NX_KEYTYPE_PLAY),
+                        vec![],
+                    )]
+                ),
+                kind: MapKind::Map,
+            },
+        );
+        default_maps.insert(
+            vec![HeadphoneButton::Down],
+            MapAction {
+                action: Action::Map(
+                    vec![KeyboardKeyWithModifiers::new(
+                        KeyboardKey::NXKey(key_code::NX_KEYTYPE_SOUND_DOWN),
+                        vec![],
+                    )]
+                ),
+                kind: MapKind::Map,
+            },
+        );
+
+        MapGroup {
+            maps: default_maps,
+            modes: HashMap::new(),
+        }
+    }
+}
+
 
 fn string_case_insensitive<I>(
     s: &'static str
-- 
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