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Scrolling improvements, fixes #13

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airstruck
2015-12-21 12:26:07 -05:00
parent 73e9a10b15
commit 147de8e010
7 changed files with 54 additions and 58 deletions
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21
luigi/layout.lua
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@@ -56,6 +56,8 @@ function Layout:constructor (data, master)
self.root = data
Widget(self, data)
self.isReady = true
end
local function clearWidget (widget)
@@ -321,24 +323,7 @@ function Layout:addDefaultHandlers ()
self:onWheelMove(function (event)
if not event.hit then return end
for widget in event.target:eachAncestor(true) do
if widget.scroll then
if not widget.scrollY then
widget.scrollY = 0
end
local scrollY = widget.scrollY - event.y * 10
local maxY = widget:getContentHeight() - widget:getHeight()
if scrollY > maxY then
scrollY = maxY
end
if scrollY < 0 then
scrollY = 0
end
if scrollY ~= widget.scrollY then
widget.scrollY = scrollY
widget:reshape()
return false
end
end -- if widget.scroll
if widget:scrollBy(nil, event.y) then return false end
end -- ancestor loop
return false
end) -- wheel move