launcher: tidy up key/mod display impl to make it look nicer

Make things a little more compact and display friendly

refs: #1485

wezterm-gui/src/overlay/launcher.rs

@@ -328,7 +328,12 @@ pub fn launcher(
             continue;
         }
         key_entries.push(Entry {
-            label: format!("{:?} ({:?} {:?})", assignment, keycode, mods),
+            label: format!(
+                "{:?} ({} {})",
+                assignment,
+                mods.to_string(),
+                keycode.to_string()
+            ),
             kind: EntryKind::KeyAssignment(assignment),
         });
     }

wezterm-input-types/src/lib.rs

@@ -301,7 +301,8 @@ impl ToString for KeyCode {
     fn to_string(&self) -> String {
         match self {
             Self::RawCode(n) => format!("raw:{}", n),
-            Self::Char(c) => c.to_string(),
+            Self::Char(c) => format!("mapped:{}", c),
+            Self::Physical(phys) => format!("{}", phys.to_string()),
             Self::Composed(s) => s.to_string(),
             Self::Numpad(n) => format!("Numpad{}", n),
             Self::Function(n) => format!("F{}", n),
@@ -767,6 +768,16 @@ impl TryFrom<&str> for PhysKeyCode {
     }
 }
 
+impl ToString for PhysKeyCode {
+    fn to_string(&self) -> String {
+        if let Some(s) = INV_PHYSKEYCODE_MAP.get(self) {
+            s.to_string()
+        } else {
+            format!("{:?}", self)
+        }
+    }
+}
+
 bitflags! {
     #[derive(Default)]
     pub struct MouseButtons: u8 {