From ec6c31099a0e001554f3ab167b60545808e87301 Mon Sep 17 00:00:00 2001
From: William Hua <william.hua@canonical.com>
Date: Thu, 19 Feb 2015 12:33:44 -0500
Subject: Explain input source cycling logic.

---
 lib/main.vala | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib')

diff --git a/lib/main.vala b/lib/main.vala
index 877d7b7b..d3e063d1 100644
--- a/lib/main.vala
+++ b/lib/main.vala
@@ -897,6 +897,13 @@ public class Indicator.Keyboard.Service : Object {
 					jump = sources.length - jump;
 				}
 
+				/*
+				 * We need to cycle through offset valid input sources, skipping those that aren't
+				 * valid for this session (i.e. skipping Fcitx ones if IBus is active and vice-versa.
+				 * jump is the direction we need to cycle in, which is 1 if we want to cycle forward
+				 * and -1 (mod sources.length) if we want to cycle backward.
+				 */
+
 				for (; offset > 0; offset--) {
 					do {
 						current = (current + jump) % sources.length;
-- 
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