bling/layout/centered.lua

98 lines
2.7 KiB
Lua

local gears = require("gears")
local gcolor = require("gears.color")
local beautiful = require("beautiful")
local math = math
local mylayout = {}
mylayout.name = "centered"
function mylayout.arrange(p)
local area = p.workarea
local t = p.tag or screen[p.screen].selected_tag
local mwfact = t.master_width_factor
local nmaster = math.min(t.master_count, #p.clients)
local nslaves = #p.clients - nmaster
local master_area_width = area.width * mwfact
local slave_area_width = area.width - master_area_width
local master_area_x = area.x + 0.5*slave_area_width
local number_of_left_sided_slaves =math.floor(nslaves/2)
local number_of_right_sided_slaves = nslaves - number_of_left_sided_slaves
local left_iterator = 0
local right_iterator = 0
-- Special case: no maters -> rrelapse into awesomes fair layout
if t.master_count == 0 then
awful.layout.suit.fair.arrange(p)
return
end
-- Special case: one slave -> relapse into awesomes masterstack tile layout
if nslaves == 1 then
awful.layout.suit.tile.right.arrange(p)
return
end
-- Special case: no slaves -> fullscreen master area
if nslaves < 1 then
master_area_width = area.width
master_area_x = area.x
end
-- iterate through masters
for idx=1,nmaster do
local c = p.clients[idx]
local g
g = {
x = master_area_x,
y = area.y + (nmaster-idx)*(area.height/nmaster),
width = master_area_width,
height = area.height/nmaster,
}
p.geometries[c] = g
end
-- iterate through slaves
for idx=1,nslaves do -- idx=nmaster+1,#p.clients do
local c = p.clients[idx+nmaster]
if idx % 2 == 0 then
g = {
x = area.x,
y = area.y + left_iterator * (area.height/number_of_left_sided_slaves),
width = slave_area_width/2,
height = area.height/number_of_left_sided_slaves,
}
left_iterator = left_iterator + 1
else
g = {
x = area.x + master_area_width + slave_area_width/2,
y = area.y + right_iterator * (area.height/number_of_right_sided_slaves),
width = slave_area_width/2,
height = area.height/number_of_right_sided_slaves,
}
right_iterator = right_iterator + 1
end
p.geometries[c] = g
end
end
local icon_raw = gears.filesystem.get_configuration_dir() .. "/bling/icons/layouts/centered.png"
local function get_icon()
if icon_raw ~= nil then
return gcolor.recolor_image(icon_raw, beautiful.fg_normal)
else
return nil
end
end
return {
layout = mylayout,
icon_raw = icon_raw,
get_icon = get_icon,
}