--[[ Licensed under GNU General Public License v2 * (c) 2014, projektile * (c) 2013, Luke Bonham * (c) 2010-2012, Peter Hofmann --]] local tag = require("awful.tag") local beautiful = require("beautiful") local tonumber = tonumber local cascadetile = { name = "cascadetile", nmaster = 0, ncol = 0, mwfact = 0, offset_x = 5, offset_y = 32, extra_padding = 0 } function cascadetile.arrange(p) -- Layout with one fixed column meant for a master window. Its -- width is calculated according to mwfact. Other clients are -- cascaded or "tabbed" in a slave column on the right. -- It's a bit hard to demonstrate the behaviour with ASCII-images... -- -- (1) (2) (3) (4) -- +----------+---+ +----------+---+ +----------+---+ +----------+---+ -- | | | | | 3 | | | 4 | | +---+| -- | | | -> | | | -> | +---++ -> | +---+|+ -- | 1 | 2 | | 1 +---++ | 1 | 3 || | 1 +---+|+| -- | | | | | 2 || | +---++| | +---+|+ | -- | | | | | || | | 2 | | | | 2 |+ | -- +----------+---+ +---------+---++ +--------+---+-+ +------+---+---+ -- A useless gap (like the dwm patch) can be defined with -- beautiful.useless_gap_width. local useless_gap = tonumber(beautiful.useless_gap_width) or 0 if useless_gap < 0 then useless_gap = 0 end -- A global border can be defined with -- beautiful.global_border_width local global_border = tonumber(beautiful.global_border_width) or 0 if global_border < 0 then global_border = 0 end -- Themes border width requires an offset local bw = tonumber(beautiful.border_width) or 0 -- Screen. local wa = p.workarea local cls = p.clients -- Borders are factored in. wa.height = wa.height - ((global_border * 2) + (bw * 2)) wa.width = wa.width - ((global_border * 2) + (bw * 2)) -- Width of main column? local t = tag.selected(p.screen) local mwfact if cascadetile.mwfact > 0 then mwfact = cascadetile.mwfact else mwfact = tag.getmwfact(t) end -- Make slave windows overlap main window? Do this if ncol is 1. local overlap_main if cascadetile.ncol > 0 then overlap_main = cascadetile.ncol else overlap_main = tag.getncol(t) end -- Minimum space for slave windows? See cascade.lua. local num_c if cascadetile.nmaster > 0 then num_c = cascadetile.nmaster else num_c = tag.getnmaster(t) end local how_many = #cls - 1 if how_many < num_c then how_many = num_c end local current_offset_x = cascadetile.offset_x * (how_many - 1) local current_offset_y = cascadetile.offset_y * (how_many - 1) if #cls > 0 then -- Main column, fixed width and height. local c = cls[#cls] local g = {} local mainwid = wa.width * mwfact local slavewid = wa.width - mainwid if overlap_main == 1 then g.width = wa.width -- The size of the main window may be reduced a little bit. -- This allows you to see if there are any windows below the -- main window. -- This only makes sense, though, if the main window is -- overlapping everything else. g.width = g.width - cascadetile.extra_padding else g.width = mainwid end g.height = wa.height g.x = wa.x + global_border g.y = wa.y + global_border if useless_gap > 0 then -- Reduce width once and move window to the right. Reduce -- height twice, however. g.width = g.width - useless_gap g.height = g.height - 2 * useless_gap g.x = g.x + useless_gap g.y = g.y + useless_gap -- When there's no window to the right, add an additional -- gap. if overlap_main == 1 then g.width = g.width - useless_gap end end c:geometry(g) -- Remaining clients stacked in slave column, new ones on top. if #cls > 1 then for i = (#cls - 1),1,-1 do c = cls[i] g = {} g.width = slavewid - current_offset_x g.height = wa.height - current_offset_y g.x = wa.x + mainwid + (how_many - i) * cascadetile.offset_x g.y = wa.y + (i - 1) * cascadetile.offset_y + global_border if useless_gap > 0 then g.width = g.width - 2 * useless_gap g.height = g.height - 2 * useless_gap g.x = g.x + useless_gap g.y = g.y + useless_gap end c:geometry(g) end end end end return cascadetile