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radical
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Code Issues Projects Releases Wiki Activity

Only display scroll widget when there is enough item

This commit is contained in:
Emmanuel Lepage Vallee 2013-08-09 02:34:49 -04:00
parent 4ee2071335
commit fdfbab2f52
2 changed files with 14 additions and 2 deletions
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8
layout/vertical.lua
View File

@ -238,6 +238,12 @@ function module:setup_item(data,item,args)
icon:set_image(value)
end
item._internal.set_map.text(item._private_data.text)
if data._internal.scroll_w and data.rowcount > data.max_items then
data._internal.scroll_w.visible = true
data._internal.scroll_w["up"]:emit_signal("widget::updated")
data._internal.scroll_w["down"]:emit_signal("widget::updated")
end
end
local function compute_geo(data)
@ -258,7 +264,7 @@ local function compute_geo(data)
end
end
if not data._internal.has_widget then
return w,(total and total > 0 and total or visblerow*data.item_height) + (data._internal.filter_tb and data.item_height or 0) + (data.max_items and data._internal.scroll_w["up"].visible and (2*data.item_height) or 0)
return w,(total and total > 0 and total or visblerow*data.item_height) + (data._internal.filter_tb and data.item_height or 0) + (data.max_items and data._internal.scroll_w.visible and (2*data.item_height) or 0)
else
local h = (visblerow-#data._internal.widgets)*data.item_height
for k,v in ipairs(data._internal.widgets) do

8
widgets/scroll.lua
View File

@ -46,14 +46,20 @@ end
local function new(data)
local scroll_w = {}
scroll_w.visible = false
for k,v in ipairs({"up","down"}) do
local ib = wibox.widget.imagebox()
ib:set_image(module[v]())
ib.fit = function(tb,width,height)
if scroll_w.visible == false then
return 0,0
end
return width,data.item_height
end
ib.draw = function(self,wibox, cr, width, height)
cr:set_source_surface(self._image, width/2 - self._image:get_width()/2, 0)
if width > 0 and height > 0 then
cr:set_source_surface(self._image, width/2 - self._image:get_width()/2, 0)
end
cr:paint()
end
scroll_w[v] = wibox.widget.background()