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bugfix: clamp scroll offsets

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chrox
2013-03-15 23:54:34 +08:00
parent 2927d728d7
commit 94792a4574
1 changed files with 4 additions and 0 deletions
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4
frontend/ui/reader/readerpaging.lua
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@@ -359,6 +359,8 @@ function ReaderPaging:onScrollPageRel(diff)
x = 0,
y = last_page_state.visible_area.h - self.overlap
}
-- scroll down offset should always be greater than 0
if offset.y < 0 then offset.y = 0 end
local state = self:updateLastPageState(last_page_state, blank_area, offset)
--DEBUG("updated state", state)
self.view.page_states = {}
@@ -383,6 +385,8 @@ function ReaderPaging:onScrollPageRel(diff)
x = 0,
y = -first_page_state.visible_area.h + self.overlap
}
-- scroll up offset should always be less than 0
if offset.y > 0 then offset.y = 0 end
local state = self:updateFirstPageState(first_page_state, blank_area, offset)
--DEBUG("updated state", state)
self.view.page_states = {}