X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/bc6cd8b61639f18b4c24ee7aeae2412dbdbe3c0a..fc40b431a9049585675e171643eb308cc548713c:/macosx/osxwin.m

diff --git a/macosx/osxwin.m b/macosx/osxwin.m
index 361f548f..7c9118b8 100644
--- a/macosx/osxwin.m
+++ b/macosx/osxwin.m
@@ -232,15 +232,9 @@
     /*
      * Set up a backend.
      */
-    {
-	int i;
+    back = backend_from_proto(cfg.protocol);
+    if (!back)
 	back = &pty_backend;
-	for (i = 0; backends[i].backend != NULL; i++)
-	    if (backends[i].protocol == cfg.protocol) {
-		back = backends[i].backend;
-		break;
-	    }
-    }
 
     {
 	const char *error;
@@ -743,23 +737,8 @@
 	  case NSLeftArrowFunctionKey: xkey = 'D'; break;
 	}
 	if (xkey) {
-	    /*
-	     * The arrow keys normally do ESC [ A and so on. In
-	     * app cursor keys mode they do ESC O A instead.
-	     * Ctrl toggles the two modes.
-	     */
-	    if (term->vt52_mode) {
-		output[end++] = '\033';
-		output[end++] = xkey;
-	    } else if (!term->app_cursor_keys ^ !(m & NSControlKeyMask)) {
-		output[end++] = '\033';
-		output[end++] = 'O';
-		output[end++] = xkey;
-	    } else {
-		output[end++] = '\033';
-		output[end++] = '[';
-		output[end++] = xkey;
-	    }
+	    end += format_arrow_key(output+end, term, xkey,
+				    m & NSControlKeyMask);
 	    goto done;
 	}
     }