X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/ba8448f02b2edd7b9e199f7841687b8f44e1c757..176f4d75e1749df77aa8929cb79b4865c2fddaa5:/layout/termfair.lua diff --git a/layout/termfair.lua b/layout/termfair.lua index 4beab8f..26a7130 100644 --- a/layout/termfair.lua +++ b/layout/termfair.lua @@ -2,135 +2,255 @@ --[[ Licensed under GNU General Public License v2 + * (c) 2014, projektile * (c) 2013, Luke Bonham + * (c) 2010, Nicolas Estibals * (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 scr = require("awful.screen") +local math = { ceil = math.ceil, + floor = math.floor, + max = math.max } +local tonumber = tonumber local termfair = { name = "termfair" } +termfair.center = { name = "centerfair" } -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 - +local function do_fair(p, orientation) -- Screen. - local wa = p.workarea + local wa = p.workarea local cls = p.clients + local ta = scr.focused().selected_tag + + if not ta then return end + + if #cls <= 0 then return end + + -- Useless gaps. + local useless_gap = p.useless_gap or 0 + + if orientation == "west" then + -- 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: - -- How many vertical columns? - local t = tag.selected(p.screen) - local num_x = termfair.nmaster or tag.getnmaster(t) + -- (1) (2) (3) + -- +---+---+---+ +---+---+---+ +---+---+---+ + -- | | | | | | | | | | | | + -- | 1 | | | -> | 2 | 1 | | -> | 3 | 2 | 1 | -> + -- | | | | | | | | | | | | + -- +---+---+---+ +---+---+---+ +---+---+---+ - -- Do at least "desired_y" rows. - local desired_y = termfair.ncol or tag.getncol(t) + -- (4) (5) (6) + -- +---+---+---+ +---+---+---+ +---+---+---+ + -- | 4 | | | | 5 | 4 | | | 6 | 5 | 4 | + -- +---+---+---+ -> +---+---+---+ -> +---+---+---+ + -- | 3 | 2 | 1 | | 3 | 2 | 1 | | 3 | 2 | 1 | + -- +---+---+---+ +---+---+---+ +---+---+---+ - if #cls > 0 - then - local num_y = math.max(math.ceil(#cls / num_x), desired_y) + if #cls <= 0 then return end + + -- How many vertical columns? Read from nmaster on the tag. + local num_x = tonumber(termfair.nmaster) or ta.master_count + local ncol = tonumber(termfair.ncol) or ta.column_count + + if num_x <= 2 then num_x = 2 end + if ncol <= 1 then ncol = 1 end + local width = math.floor((wa.width - (num_x + 1)*useless_gap) / num_x) + + local num_y = math.max(math.ceil(#cls / num_x), ncol) + local height = math.floor((wa.height - (num_y + 1)*useless_gap) / num_y) local cur_num_x = num_x - local at_x = 0 - local at_y = 0 + 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 + if remaining_clients < num_x then cur_num_x = remaining_clients end -- Iterate in reversed order. - for i = #cls,1,-1 - do + 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. + -- Calculate geometry. local g = {} - if this_x == (num_x - 1) - then - g.width = wa.width - (num_x - 1) * width + if this_x == (num_x - 1) then + g.width = wa.width - (num_x - 1)*width - (num_x + 1)*useless_gap - 2*c.border_width else - g.width = width + g.width = width - 2*c.border_width end - if this_y == (num_y - 1) - then - g.height = wa.height - (num_y - 1) * height + + if this_y == (num_y - 1) then + g.height = wa.height - (num_y - 1)*height - (num_y + 1)*useless_gap - 2*c.border_width else - g.height = height + g.height = height - 2*c.border_width 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. - if this_x == 0 - then - g.width = g.width - 2 * useless_gap - g.x = g.x + useless_gap - else - g.width = g.width - useless_gap - end - if this_y == 0 - then - g.height = g.height - 2 * useless_gap - g.y = g.y + useless_gap - else - g.height = g.height - useless_gap - end + g.x = wa.x + this_x*width + g.y = wa.y + this_y*height + + if useless_gap > 0 then + -- All clients tile evenly. + g.x = g.x + (this_x + 1)*useless_gap + g.y = g.y + (this_y + 1)*useless_gap end + + if g.width < 1 then g.width = 1 end + if g.height < 1 then g.height = 1 end + c:geometry(g) + remaining_clients = remaining_clients - 1 -- Next grid position. at_x = at_x + 1 - if at_x == num_x - then + 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 + if remaining_clients < num_x then cur_num_x = remaining_clients end end end + elseif orientation == "center" then + -- Layout with fixed number of vertical columns (read from nmaster). + -- Cols are centerded until there is nmaster columns, then windows + -- are stacked in the slave columns, with at most ncol clients per + -- column if possible. + + -- with nmaster=3 and ncol=1 you'll have + -- (1) (2) (3) + -- +---+---+---+ +-+---+---+-+ +---+---+---+ + -- | | | | | | | | | | | | | + -- | | 1 | | -> | | 1 | 2 | | -> | 1 | 2 | 3 | -> + -- | | | | | | | | | | | | | + -- +---+---+---+ +-+---+---+-+ +---+---+---+ + + -- (4) (5) + -- +---+---+---+ +---+---+---+ + -- | | | 3 | | | 2 | 4 | + -- + 1 + 2 +---+ -> + 1 +---+---+ + -- | | | 4 | | | 3 | 5 | + -- +---+---+---+ +---+---+---+ + + -- How many vertical columns? Read from nmaster on the tag. + local num_x = tonumber(termfair.center.nmaster) or ta.master_count + local ncol = tonumber(termfair.center.ncol) or ta.column_count + + if num_x <= 2 then num_x = 2 end + if ncol <= 1 then ncol = 1 end + + local width = math.floor((wa.width - (num_x + 1)*useless_gap) / num_x) + + if #cls < num_x then + -- Less clients than the number of columns, let's center it! + local offset_x = wa.x + (wa.width - #cls*width - (#cls - 1)*useless_gap) / 2 + local g = {} + g.y = wa.y + useless_gap + for i = 1, #cls do + local c = cls[i] + g.width = width - 2*c.border_width + g.height = wa.height - 2*useless_gap - 2*c.border_width + if g.width < 1 then g.width = 1 end + if g.height < 1 then g.height = 1 end + g.x = offset_x + (i - 1) * (width + useless_gap) + c:geometry(g) + end + else + -- More clients than the number of columns, let's arrange it! + -- Master client deserves a special treatement + local c = cls[1] + local g = {} + g.width = wa.width - (num_x - 1)*width - (num_x + 1)*useless_gap - 2*c.border_width + g.height = wa.height - 2*useless_gap - 2*c.border_width + if g.width < 1 then g.width = 1 end + if g.height < 1 then g.height = 1 end + g.x = wa.x + useless_gap + g.y = wa.y + useless_gap + + c:geometry(g) + + -- Treat the other clients + + -- Compute distribution of clients among columns + local num_y ={} + do + local remaining_clients = #cls-1 + local ncol_min = math.ceil(remaining_clients/(num_x-1)) + if ncol >= ncol_min then + for i = (num_x-1), 1, -1 do + if (remaining_clients-i+1) < ncol then + num_y[i] = remaining_clients-i + 1 + else + num_y[i] = ncol + end + remaining_clients = remaining_clients - num_y[i] + end + else + local rem = remaining_clients % (num_x-1) + if rem == 0 then + for i = 1, num_x-1 do + num_y[i] = ncol_min + end + else + for i = 1, num_x-1 do + num_y[i] = ncol_min - 1 + end + for i = 0, rem-1 do + num_y[num_x-1-i] = num_y[num_x-1-i] + 1 + end + end + end + end + + -- Compute geometry of the other clients + local nclient = 2 -- we start with the 2nd client + g.x = g.x + g.width + useless_gap + 2*c.border_width + + for i = 1, (num_x-1) do + local height = math.floor((wa.height - (num_y[i] + 1)*useless_gap) / num_y[i]) + g.y = wa.y + useless_gap + for j = 0, (num_y[i]-2) do + local c = cls[nclient] + g.height = height - 2*c.border_width + g.width = width - 2*c.border_width + if g.width < 1 then g.width = 1 end + if g.height < 1 then g.height = 1 end + c:geometry(g) + nclient = nclient + 1 + g.y = g.y + height + useless_gap + end + local c = cls[nclient] + g.height = wa.height - (num_y[i] + 1)*useless_gap - (num_y[i] - 1)*height - 2*c.border_width + g.width = width - 2*c.border_width + if g.width < 1 then g.width = 1 end + if g.height < 1 then g.height = 1 end + c:geometry(g) + nclient = nclient + 1 + g.x = g.x + width + useless_gap + end + end end end +function termfair.center.arrange(p) + return do_fair(p, "center") +end + +function termfair.arrange(p) + return do_fair(p, "west") +end + return termfair