From 28e53ce7718e3efa7880af4dc5e8f5100f205a68 Mon Sep 17 00:00:00 2001
From: Qingping Hou <dave2008713@gmail.com>
Date: Thu, 29 Mar 2012 19:35:56 +0800
Subject: [PATCH] mod: adapt jumpstack in CREReader

---
 crereader.lua | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/crereader.lua b/crereader.lua
index 04548345e..832bdf5b3 100644
--- a/crereader.lua
+++ b/crereader.lua
@@ -27,6 +27,12 @@ end
 function CREReader:goto(pos)
 	local pos = math.min(pos, self.doc:GetFullHeight())
 	pos = math.max(pos, 0)
+
+	-- add to jump_stack, distinguish jump from normal page turn
+	if self.pos and math.abs(self.pos - pos) > height then
+		self:addJump(self.pos)
+	end
+
 	self.doc:gotoPos(pos)
 	self.doc:drawCurrentPage(self.nulldc, fb.bb)