From 172241bc8e51d5860ef142f0fd46d219f39fef36 Mon Sep 17 00:00:00 2001
From: Giorgio Micotti <giorgiomicotti@gmail.com>
Date: Tue, 7 Jan 2014 23:10:10 +0100
Subject: [PATCH] Fix corner case for Kobo Aura: tev.id == -1 with tev.x and
 tev.y values defined.

---
 frontend/ui/gesturedetector.lua | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/frontend/ui/gesturedetector.lua b/frontend/ui/gesturedetector.lua
index 1a334527a..a299b6181 100644
--- a/frontend/ui/gesturedetector.lua
+++ b/frontend/ui/gesturedetector.lua
@@ -209,20 +209,20 @@ end
 function GestureDetector:initialState(tev)
 	local slot = tev.slot
 	if tev.id then
-		-- a event ends
+		-- an event ends
 		if tev.id == -1 then
 			self.detectings[slot] = false
 		else
 			self.track_ids[slot] = tev.id
-		end
-	end
-	if tev.x and tev.y then
-		-- user starts a new touch motion
-		if not self.detectings[slot] then
-			self.detectings[slot] = true
-			self.first_tevs[slot] = self:deepCopyEv(tev)
-			-- default to tap state
-			return self:switchState("tapState", tev)
+			if tev.x and tev.y then
+				-- user starts a new touch motion
+				if not self.detectings[slot] then
+					self.detectings[slot] = true
+					self.first_tevs[slot] = self:deepCopyEv(tev)
+					-- default to tap state
+					return self:switchState("tapState", tev)
+				end
+			end
 		end
 	end
 end