--[[
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 tag = require("awful.tag")
+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
- -- How many vertical columns?
- local t = tag.selected(p.screen)
- local num_x = termfair.nmaster or tag.getnmaster(t)
+ 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:
+
+ -- (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 tag.master_count
+ local ncol = tonumber(termfair.ncol) or tag.column_count
+ local width = math.floor((wa.width - (num_x + 1)*useless_gap) / num_x)
+
+ if num_x <= 2 then num_x = 2 end
+ if ncol <= 1 then ncol = 1 end
+
+ 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.
-
- 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
+ g.x = wa.x + this_x*width
+ g.y = wa.y + this_y*height
- 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
+ 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 tag.master_count
+ local ncol = tonumber(termfair.center.ncol) or tag.column_count
+ local width = math.floor((wa.width - (num_x + 1)*useless_gap) / num_x)
+
+ if num_x <= 2 then num_x = 2 end
+ if ncol <= 1 then ncol = 1 end
+
+ 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
projects / etc / awesome.git / blobdiff