1 files changed, 21 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Xinput.c b/xorg-server/hw/xfree86/common/xf86Xinput.c
index b8d866429..afef0994d 100644
--- a/xorg-server/hw/xfree86/common/xf86Xinput.c
+++ b/xorg-server/hw/xfree86/common/xf86Xinput.c
@@ -470,6 +470,20 @@ match_path_pattern(const char *attr, const char *pattern)
 #endif
 
 /*
+ * If no Layout section is found, xf86ServerLayout.id becomes "(implicit)"
+ * It is convenient that "" in patterns means "no explicit layout"
+ */
+static int
+match_string_implicit(const char *attr, const char *pattern)
+{
+    if (strlen(pattern)) {
+        return strcmp(attr, pattern);
+    } else {
+        return strcmp(attr,"(implicit)");
+    }
+}
+
+/*
  * Match an attribute against a list of NULL terminated arrays of patterns.
  * If a pattern in each list entry is matched, return TRUE.
  */
@@ -564,6 +578,13 @@ InputClassMatches(const XF86ConfInputClassPtr iclass, const InputInfoPtr idev,
             return FALSE;
     }
 
+    /* MatchLayout string */
+    if (!list_is_empty(&iclass->match_layout)) {
+        if (!MatchAttrToken(xf86ConfigLayout.id,
+                            &iclass->match_layout, match_string_implicit))
+            return FALSE;
+    }
+
     /* MatchIs* booleans */
     if (iclass->is_keyboard.set &&
         iclass->is_keyboard.val != !!(attrs->flags & ATTR_KEYBOARD))