238 lines
8.2 KiB
Lua
238 lines
8.2 KiB
Lua
|
--[[
|
||
|
|
|
||
|
|
Licensed under GNU General Public License v2
|
||
|
|
* (c) 2014, projektile
|
||
|
|
* (c) 2013, Luca CPZ
|
||
|
|
* (c) 2010, Nicolas Estibals
|
||
|
|
* (c) 2010-2012, Peter Hofmann
|
||
|
|
|
||
|
|
--]]
|
||
|
|
|
||
|
|
local math = math
|
||
|
|
local screen = screen
|
||
|
|
local tonumber = tonumber
|
||
|
|
|
||
|
|
local termfair = { name = "termfair" }
|
||
|
|
termfair.center = { name = "centerfair" }
|
||
|
|
|
||
|
|
local function do_fair(p, orientation)
|
||
|
|
local t = p.tag or screen[p.screen].selected_tag
|
||
|
|
local wa = p.workarea
|
||
|
|
local cls = p.clients
|
||
|
|
|
||
|
|
if #cls == 0 then return end
|
||
|
|
|
||
|
|
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 | ->
|
||
|
|
-- | | | | | | | | | | | |
|
||
|
|
-- +---+---+---+ +---+---+---+ +---+---+---+
|
||
|
|
|
||
|
|
-- (4) (5) (6)
|
||
|
|
-- +---+---+---+ +---+---+---+ +---+---+---+
|
||
|
|
-- | 4 | | | | 5 | 4 | | | 6 | 5 | 4 |
|
||
|
|
-- +---+---+---+ -> +---+---+---+ -> +---+---+---+
|
||
|
|
-- | 3 | 2 | 1 | | 3 | 2 | 1 | | 3 | 2 | 1 |
|
||
|
|
-- +---+---+---+ +---+---+---+ +---+---+---+
|
||
|
|
|
||
|
|
-- How many vertical columns? Read from nmaster on the tag.
|
||
|
|
local num_x = tonumber(termfair.nmaster) or t.master_count
|
||
|
|
local ncol = tonumber(termfair.ncol) or t.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)
|
||
|
|
|
||
|
|
local num_y = math.max(math.ceil(#cls / num_x), ncol)
|
||
|
|
local height = math.floor(wa.height/num_y)
|
||
|
|
local cur_num_x = num_x
|
||
|
|
local at_x = 0
|
||
|
|
local at_y = 0
|
||
|
|
|
||
|
|
local remaining_clients = #cls
|
||
|
|
|
||
|
|
-- 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
|
||
|
|
|
||
|
|
-- Calculate 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 g.width < 1 then g.width = 1 end
|
||
|
|
if g.height < 1 then g.height = 1 end
|
||
|
|
|
||
|
|
p.geometries[c] = 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
|
||
|
|
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 t.master_count
|
||
|
|
local ncol = tonumber(termfair.center.ncol) or t.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)
|
||
|
|
|
||
|
|
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) / 2
|
||
|
|
for i = 1, #cls do
|
||
|
|
local g = { y = wa.y }
|
||
|
|
g.width = width
|
||
|
|
g.height = wa.height
|
||
|
|
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
|
||
|
|
p.geometries[cls[i]] = g
|
||
|
|
end
|
||
|
|
else
|
||
|
|
-- More clients than the number of columns, let's arrange it!
|
||
|
|
-- Master client deserves a special treatement
|
||
|
|
local g = {}
|
||
|
|
g.width = wa.width - (num_x - 1)*width
|
||
|
|
g.height = wa.height
|
||
|
|
if g.width < 1 then g.width = 1 end
|
||
|
|
if g.height < 1 then g.height = 1 end
|
||
|
|
g.x = wa.x
|
||
|
|
g.y = wa.y
|
||
|
|
p.geometries[cls[1]] = g
|
||
|
|
|
||
|
|
-- Treat the other clients
|
||
|
|
|
||
|
|
-- Compute distribution of clients among columns
|
||
|
|
local num_y = {}
|
||
|
|
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
|
||
|
|
|
||
|
|
-- Compute geometry of the other clients
|
||
|
|
local nclient = 2 -- we start with the 2nd client
|
||
|
|
local wx = g.x + g.width
|
||
|
|
for i = 1, (num_x-1) do
|
||
|
|
local height = math.floor(wa.height / num_y[i])
|
||
|
|
local wy = wa.y
|
||
|
|
for j = 0, (num_y[i]-2) do
|
||
|
|
local g = {}
|
||
|
|
g.x = wx
|
||
|
|
g.y = wy
|
||
|
|
g.height = height
|
||
|
|
g.width = width
|
||
|
|
if g.width < 1 then g.width = 1 end
|
||
|
|
if g.height < 1 then g.height = 1 end
|
||
|
|
p.geometries[cls[nclient]] = g
|
||
|
|
nclient = nclient + 1
|
||
|
|
wy = wy + height
|
||
|
|
end
|
||
|
|
local g = {}
|
||
|
|
g.x = wx
|
||
|
|
g.y = wy
|
||
|
|
g.height = wa.height - (num_y[i] - 1)*height
|
||
|
|
g.width = width
|
||
|
|
if g.width < 1 then g.width = 1 end
|
||
|
|
if g.height < 1 then g.height = 1 end
|
||
|
|
p.geometries[cls[nclient]] = g
|
||
|
|
nclient = nclient + 1
|
||
|
|
wx = wx + width
|
||
|
|
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
|