From c3dc712169391cd676ae56bbe6e4cdae472d4395 Mon Sep 17 00:00:00 2001
From: chrox <chrox.huang@gmail.com>
Date: Fri, 3 May 2013 19:04:31 +0800
Subject: [PATCH] fix reader crash when hold pos is outside of page area

---
 frontend/ui/reader/readerhighlight.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frontend/ui/reader/readerhighlight.lua b/frontend/ui/reader/readerhighlight.lua
index 33e428dda..b25d06890 100644
--- a/frontend/ui/reader/readerhighlight.lua
+++ b/frontend/ui/reader/readerhighlight.lua
@@ -54,6 +54,10 @@ end
 function ReaderHighlight:onHold(arg, ges)
 	self.pos = self.view:screenToPageTransform(ges.pos)
 	DEBUG("hold position in page", self.pos)
+	if not self.pos then
+		DEBUG("not inside page area")
+		return true
+	end
 	local text_boxes = self.ui.document:getTextBoxes(self.pos.page)
 	--DEBUG("page text", text_boxes)