apprt/embedded: if a physical key input is a keypad key, keep it

src/apprt/embedded.zig

@@ -595,6 +595,9 @@ pub const Surface = struct {
         //
         // We also only do key translation if this is not a dead key.
         const key = if (!result.composing) key: {
+            // If our physical key is a keypad key, we use that.
+            if (physical_key.keypad()) break :key physical_key;
+
             // A completed key. If the length of the key is one then we can
             // attempt to translate it to a key enum and call the key
             // callback. First try plain ASCII.

src/input/key.zig

@@ -422,4 +422,30 @@ pub const Key = enum(c_int) {
             else => false,
         };
     }
+
+    /// Returns true if this is a keypad key.
+    pub fn keypad(self: Key) bool {
+        return switch (self) {
+            .kp_0,
+            .kp_1,
+            .kp_2,
+            .kp_3,
+            .kp_4,
+            .kp_5,
+            .kp_6,
+            .kp_7,
+            .kp_8,
+            .kp_9,
+            .kp_decimal,
+            .kp_divide,
+            .kp_multiply,
+            .kp_subtract,
+            .kp_add,
+            .kp_enter,
+            .kp_equal,
+            => true,
+
+            else => false,
+        };
+    }
 };