mirror of https://github.com/lcpz/lain.git
81 lines
2.1 KiB
Lua
81 lines
2.1 KiB
Lua
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--[[
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Licensed under GNU General Public License v2
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* (c) 2014, projektile
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* (c) 2013, Luke Bonham
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* (c) 2010-2012, Peter Hofmann
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--]]
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local tag = require("awful.tag")
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local beautiful = require("beautiful")
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local cascade =
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{
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name = "cascade",
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nmaster = 0,
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offset_x = 32,
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offset_y = 8
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}
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function cascade.arrange(p)
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-- Cascade windows.
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-- A global border can be defined with
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-- beautiful.global_border_width.
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local global_border = tonumber(beautiful.global_border_width) or 0
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if global_border < 0 then global_border = 0 end
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-- Themes border width requires an offset.
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local bw = tonumber(beautiful.border_width) or 0
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-- Screen.
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local wa = p.workarea
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local cls = p.clients
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wa.height = wa.height - ((global_border * 2) + (bw * 2))
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wa.width = wa.width - ((global_border * 2) + (bw * 2))
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wa.x = wa.x + global_border
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wa.y = wa.y + global_border
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-- Opening a new window will usually force all existing windows to
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-- get resized. This wastes a lot of CPU time. So let's set a lower
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-- bound to "how_many": This wastes a little screen space but you'll
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-- get a much better user experience.
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local t = tag.selected(p.screen)
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local num_c
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if cascade.nmaster > 0
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then
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num_c = cascade.nmaster
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else
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num_c = tag.getnmaster(t)
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end
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local how_many = #cls
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if how_many < num_c
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then
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how_many = num_c
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end
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local current_offset_x = cascade.offset_x * (how_many - 1)
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local current_offset_y = cascade.offset_y * (how_many - 1)
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-- Iterate.
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for i = 1,#cls,1
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do
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local c = cls[i]
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local g = {}
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g.x = wa.x + (how_many - i) * cascade.offset_x
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g.y = wa.y + (i - 1) * cascade.offset_y
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g.width = wa.width - current_offset_x
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g.height = wa.height - current_offset_y
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c:geometry(g)
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end
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end
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return cascade
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