--[[ Licensed under GNU General Public License v2 * (c) 2013, Luke Bonham * (c) 2010-2012, Peter Hofmann --]] local tag = require("awful.tag") local beautiful = require("beautiful") local math = { ceil = math.ceil, floor = math.floor, max = math.max } local tonumber = tonumber local termfair = { name = "termfair" } function termfair.arrange(p) -- Layout with fixed number of vertical columns (read from nmaster). -- New windows align from left to right. When a row is full, a now -- one above it is created. Like this: -- (1) (2) (3) -- +---+---+---+ +---+---+---+ +---+---+---+ -- | | | | | | | | | | | | -- | 1 | | | -> | 2 | 1 | | -> | 3 | 2 | 1 | -> -- | | | | | | | | | | | | -- +---+---+---+ +---+---+---+ +---+---+---+ -- (4) (5) (6) -- +---+---+---+ +---+---+---+ +---+---+---+ -- | 4 | | | | 5 | 4 | | | 6 | 5 | 4 | -- +---+---+---+ -> +---+---+---+ -> +---+---+---+ -- | 3 | 2 | 1 | | 3 | 2 | 1 | | 3 | 2 | 1 | -- +---+---+---+ +---+---+---+ +---+---+---+ -- 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 -- Screen. local wa = p.workarea local cls = p.clients -- How many vertical columns? local t = tag.selected(p.screen) local num_x = termfair.nmaster or tag.getnmaster(t) -- Do at least "desired_y" rows. local desired_y = termfair.ncol or tag.getncol(t) if #cls > 0 then local num_y = math.max(math.ceil(#cls / num_x), desired_y) local cur_num_x = num_x local at_x = 0 local at_y = 0 local remaining_clients = #cls local width = math.floor(wa.width / num_x) local height = math.floor(wa.height / num_y) -- We start the first row. Left-align by limiting the number of -- available slots. if remaining_clients < num_x then cur_num_x = remaining_clients end -- Iterate in reversed order. for i = #cls,1,-1 do -- Get x and y position. local c = cls[i] local this_x = cur_num_x - at_x - 1 local this_y = num_y - at_y - 1 -- Calc geometry. local g = {} if this_x == (num_x - 1) then g.width = wa.width - (num_x - 1) * width else g.width = width end if this_y == (num_y - 1) then g.height = wa.height - (num_y - 1) * height else g.height = height end g.x = wa.x + this_x * width g.y = wa.y + this_y * height if useless_gap > 0 then -- Top and left clients are shrinked by two steps and -- get moved away from the border. Other clients just -- get shrinked in one direction. gap_factor = (useless_gap / 100) * 2 if this_x == 0 then g.width = g.width - (2 + gap_factor) * useless_gap g.x = g.x + useless_gap else g.width = g.width - (1 + gap_factor) * useless_gap end if this_y == 0 then g.height = g.height - (2 + gap_factor) * useless_gap g.y = g.y + useless_gap else g.height = g.height - (1 + gap_factor) * useless_gap end end c:geometry(g) remaining_clients = remaining_clients - 1 -- Next grid position. at_x = at_x + 1 if at_x == num_x then -- Row full, create a new one above it. at_x = 0 at_y = at_y + 1 -- We start a new row. Left-align. if remaining_clients < num_x then cur_num_x = remaining_clients end end end end end return termfair