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43 lines
1.6 KiB
43 lines
1.6 KiB
-- This file is part of Reno desktop.
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--
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-- Reno desktop is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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--
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-- Reno desktop is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License along with Reno desktop. If not, see <https://www.gnu.org/licenses/>.
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local awful = require("awful")
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local wibox = require("wibox")
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return function(widget,list,max_elements)
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if not tostring(widget):match("wibox.layout") then
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error("Cannot attach pager to widget that isn't a layout")
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end
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local new_pager = {
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page = widget,
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list = list,
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index = 0,
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max = max_elements
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}
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function new_pager:update()
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self.page:reset()
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for i = 1+(self.max*self.index),self.max+(self.max*self.index) do
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if self.list[i] then
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self.page:add(self.list[i])
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end
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end
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end
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function new_pager:next()
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if #list > (self.index+1)*self.max then
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self.index = self.index + 1
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new_pager:update()
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end
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end
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function new_pager:prev()
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if self.index > 0 then
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self.index = self.index - 1
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new_pager:update()
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end
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end
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new_pager:update()
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return new_pager
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end
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