Add `in_mode` to `CKeyActionResult`

Add a new field for `in_mode` to the result struct. Return it if
`run_key_action_for_mode()` gives us a `Some` value for it. Removed the
`match` on `action` now that we have a second `Option` type.

2 files changed, 16 insertions, 13 deletions

diff --git a/dome_key_map.h b/dome_key_map.h
index 4ee30c3..76b5f1c 100644
--- a/dome_key_map.h
+++ b/dome_key_map.h
@@ -26,6 +26,7 @@ typedef enum {
 typedef struct {
   const char *action;
   const ActionKind *kind;
+  const HeadphoneButton *in_mode;
 } CKeyActionResult;
 
 typedef struct {
diff --git a/src/cocoa_bridge.rs b/src/cocoa_bridge.rs
index 1717b57..920ea02 100644
--- a/src/cocoa_bridge.rs
+++ b/src/cocoa_bridge.rs
@@ -86,6 +86,7 @@ impl<'a> KeyActionResult<'a> {
 pub struct CKeyActionResult {
     pub action: *const c_char,
     pub kind: *const ActionKind,
+    pub in_mode: *const HeadphoneButton,
 }
 
 #[no_mangle]
@@ -113,25 +114,26 @@ pub extern "C" fn c_run_key_action(
 
     let result = match run_key_action_for_mode(trigger, mode) {
         Some(k) => {
-            match k.action {
-                Some(a) => {
-                    CKeyActionResult {
-                        action: a.into_raw(), // memory leak, must be freed from Rust
-                        kind: &k.kind,
-                    }
-                },
-                None => {
-                    CKeyActionResult {
-                        action: ptr::null(),
-                        kind: &k.kind,
-                    }
-                },
+            let action = k.action.map_or_else(
+                || ptr::null(),
+                |a| a.into_raw(),
+            );
+            let in_mode = k.in_mode.map_or_else(
+                || ptr::null(),
+                |m| m.as_ptr(),
+            );
+
+            CKeyActionResult {
+                action: action, // memory leak, must be freed from Rust
+                kind: &k.kind,
+                in_mode: in_mode,
             }
         },
         None => {
             CKeyActionResult {
                 action: ptr::null(),
                 kind: ptr::null(),
+                in_mode: ptr::null(),
             }
         }
     };