From 4d187aad4ee49a20254048ca301119176b54039b Mon Sep 17 00:00:00 2001
From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Sun, 30 Sep 2012 16:15:33 +0200
Subject: [PATCH] don't preCache in two column mode

This also cleanups code to make it easier to follow chaning logic
a bit to generate useful Debug messages
---
 unireader.lua | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/unireader.lua b/unireader.lua
index 20e740b26..00acbc6d2 100644
--- a/unireader.lua
+++ b/unireader.lua
@@ -1528,8 +1528,12 @@ function UniReader:goto(no, is_ignore_jump)
 	-- TODO: move the following to a more appropriate place
 	-- into the caching section
 	if no < self.doc:getPages() then
-		if #self.bbox == 0 or not self.bbox.enabled then
-			-- pre-cache next page, but if we will modify bbox don't!
+		if self.bbox.enabled and #self.bbox > 0 then
+			Debug("no preCache -- using custom bbox")
+		elseif self.pan_by_page then
+			Debug("no preCache -- in two column mode")
+		else
+			Debug("preCache", no+1)
 			self:drawOrCache(no+1, true)
 		end
 	end