From ad7d31ead8ff9c34bb63172754d3e7d15d803bde Mon Sep 17 00:00:00 2001
From: Paul LeoNerd Evans <leonerd@leonerd.org.uk>
Date: Sat, 2 Apr 2011 15:07:30 +0100
Subject: Provide termkey_keycmp() for sorting purposes

---
 termkey.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'termkey.c')

diff --git a/termkey.c b/termkey.c
index 7995871..384b5a4 100644
--- a/termkey.c
+++ b/termkey.c
@@ -1144,3 +1144,29 @@ char *termkey_strpkey(TermKey *tk, const char *str, TermKeyKey *key, TermKeyForm
 
   return (char *)str;
 }
+
+int termkey_keycmp(TermKey *tk, const TermKeyKey *key1, const TermKeyKey *key2)
+{
+  if(key1->type != key2->type)
+    return key2->type - key1->type;
+
+  switch(key1->type) {
+    case TERMKEY_TYPE_UNICODE:
+      if(key1->code.codepoint != key2->code.codepoint)
+        return key2->code.codepoint - key1->code.codepoint;
+    case TERMKEY_TYPE_KEYSYM:
+      if(key1->code.sym != key2->code.sym)
+        return key2->code.sym - key1->code.sym;
+    case TERMKEY_TYPE_FUNCTION:
+      if(key1->code.number != key2->code.number)
+        return key2->code.number - key1->code.number;
+    case TERMKEY_TYPE_MOUSE:
+      {
+        int cmp = strncmp(key2->code.mouse, key1->code.mouse, 4);
+        if(cmp != 0)
+          return cmp;
+      }
+  }
+
+  return key2->modifiers - key1->modifiers;
+}
-- 
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