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Add any link jump to the history.

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Previously, if you follow a local link in the PDF file which points to a
place only one page away from the current page and then press Back it
will bring you to some random location (depending on the previous jump
history). But normally you would expect to be returned to the link's
location, regardless of its distance from the target page. This commit
fixes this problem, also raised as an issue 575.
This commit is contained in:
Tigran Aivazian 2012-11-13 22:29:11 +00:00
parent 8f28fe8825
commit 12e713b285
1 changed files with 4 additions and 2 deletions
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6
unireader.lua
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@ -1579,14 +1579,16 @@ function UniReader:addBookmark(pageno)
end
-- change current page and cache next page after rendering
function UniReader:goto(no, is_ignore_jump)
function UniReader:goto(no, is_ignore_jump, pos_type)
local numpages = self.doc:getPages()
if no < 1 or no > numpages then
return
end
-- for jump_history
if not is_ignore_jump then
if pos_type == "link" then
self:addJump(self.pageno)
elseif not is_ignore_jump then
-- distinguish jump from normal page turn
if self.pageno and math.abs(self.pageno - no) > 1 then
self:addJump(self.pageno)