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horizontal swipe in flipping mode will use stepped paging

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Proportional to swipe distance the page increment is stepped as
0, 1, 2, 5, 10, 20, 50 and 100.
This commit is contained in:
chrox
2013-04-14 18:02:34 +08:00
parent d24131b13b
commit 4fbebe0d4c
1 changed files with 5 additions and 5 deletions
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10
frontend/ui/reader/readerpaging.lua
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@@ -7,6 +7,7 @@ ReaderPaging = InputContainer:new{
page_area = nil,
show_overlap_enable = true,
overlap = scaleByDPI(20),
flip_steps = {0,1,2,5,10,20,50,100}
}
function ReaderPaging:init()
@@ -169,15 +170,14 @@ function ReaderPaging:updateFlippingPage(page)
end
function ReaderPaging:flipping(flipping_page, flipping_ges)
local read = flipping_page - 1
local unread = self.number_of_pages - flipping_page
local whole = self.number_of_pages
local rel_proportion = flipping_ges.distance / Screen:getWidth()
local steps = #self.flip_steps
local stp_proportion = flipping_ges.distance / Screen:getWidth()
local abs_proportion = flipping_ges.distance / Screen:getHeight()
if flipping_ges.direction == "east" then
self:gotoPage(flipping_page - math.floor(read*rel_proportion))
self:gotoPage(flipping_page - self.flip_steps[math.ceil(steps*stp_proportion)])
elseif flipping_ges.direction == "west" then
self:gotoPage(flipping_page + math.floor(unread*rel_proportion))
self:gotoPage(flipping_page + self.flip_steps[math.ceil(steps*stp_proportion)])
elseif flipping_ges.direction == "south" then
self:gotoPage(flipping_page - math.floor(whole*abs_proportion))
elseif flipping_ges.direction == "north" then