nix-config/rsc/config/awesome/lain/layout/centerwork.lua
2023-10-15 16:02:50 +02:00

276 lines
7.7 KiB
Lua

--[[
Licensed under GNU General Public License v2
* (c) 2018, Eugene Pakhomov
* (c) 2016, Henrik Antonsson
* (c) 2015, Joerg Jaspert
* (c) 2014, projektile
* (c) 2013, Luca CPZ
* (c) 2010-2012, Peter Hofmann
--]]
local floor = math.floor
local max = math.max
local mouse = mouse
local mousegrabber = mousegrabber
local screen = screen
local centerwork = {
name = "centerwork",
horizontal = { name = "centerworkh" }
}
local function arrange(p, layout)
local t = p.tag or screen[p.screen].selected_tag
local wa = p.workarea
local cls = p.clients
if #cls == 0 then return end
local g = {}
-- Main column, fixed width and height
local mwfact = t.master_width_factor
local mainhei = floor(wa.height * mwfact)
local mainwid = floor(wa.width * mwfact)
local slavewid = wa.width - mainwid
local slaveLwid = floor(slavewid / 2)
local slaveRwid = slavewid - slaveLwid
local slavehei = wa.height - mainhei
local slaveThei = floor(slavehei / 2)
local slaveBhei = slavehei - slaveThei
local nbrFirstSlaves = floor(#cls / 2)
local nbrSecondSlaves = floor((#cls - 1) / 2)
local slaveFirstDim, slaveSecondDim = 0, 0
if layout.name == "centerwork" then -- vertical
if nbrFirstSlaves > 0 then slaveFirstDim = floor(wa.height / nbrFirstSlaves) end
if nbrSecondSlaves > 0 then slaveSecondDim = floor(wa.height / nbrSecondSlaves) end
g.height = wa.height
g.width = mainwid
g.x = wa.x + slaveLwid
g.y = wa.y
else -- horizontal
if nbrFirstSlaves > 0 then slaveFirstDim = floor(wa.width / nbrFirstSlaves) end
if nbrSecondSlaves > 0 then slaveSecondDim = floor(wa.width / nbrSecondSlaves) end
g.height = mainhei
g.width = wa.width
g.x = wa.x
g.y = wa.y + slaveThei
end
g.width = max(g.width, 1)
g.height = max(g.height, 1)
p.geometries[cls[1]] = g
-- Auxiliary clients
if #cls <= 1 then return end
for i = 2, #cls do
g = {}
local idxChecker, dimToAssign
local rowIndex = floor(i/2)
if layout.name == "centerwork" then
if i % 2 == 0 then -- left slave
g.x = wa.x
g.y = wa.y + (rowIndex - 1) * slaveFirstDim
g.width = slaveLwid
idxChecker, dimToAssign = nbrFirstSlaves, slaveFirstDim
else -- right slave
g.x = wa.x + slaveLwid + mainwid
g.y = wa.y + (rowIndex - 1) * slaveSecondDim
g.width = slaveRwid
idxChecker, dimToAssign = nbrSecondSlaves, slaveSecondDim
end
-- if last slave in row, use remaining space for it
if rowIndex == idxChecker then
g.height = wa.y + wa.height - g.y
else
g.height = dimToAssign
end
else
if i % 2 == 0 then -- top slave
g.x = wa.x + (rowIndex - 1) * slaveFirstDim
g.y = wa.y
g.height = slaveThei
idxChecker, dimToAssign = nbrFirstSlaves, slaveFirstDim
else -- bottom slave
g.x = wa.x + (rowIndex - 1) * slaveSecondDim
g.y = wa.y + slaveThei + mainhei
g.height = slaveBhei
idxChecker, dimToAssign = nbrSecondSlaves, slaveSecondDim
end
-- if last slave in row, use remaining space for it
if rowIndex == idxChecker then
g.width = wa.x + wa.width - g.x
else
g.width = dimToAssign
end
end
g.width = max(g.width, 1)
g.height = max(g.height, 1)
p.geometries[cls[i]] = g
end
end
local function mouse_resize_handler(c, _, _, _, orientation)
local wa = c.screen.workarea
local mwfact = c.screen.selected_tag.master_width_factor
local g = c:geometry()
local offset = 0
local cursor = "cross"
local corner_coords
if orientation == 'vertical' then
if g.height + 15 >= wa.height then
offset = g.height * .5
cursor = "sb_h_double_arrow"
elseif g.y + g.height + 15 <= wa.y + wa.height then
offset = g.height
end
corner_coords = { x = wa.x + wa.width * (1 - mwfact) / 2, y = g.y + offset }
else
if g.width + 15 >= wa.width then
offset = g.width * .5
cursor = "sb_v_double_arrow"
elseif g.x + g.width + 15 <= wa.x + wa.width then
offset = g.width
end
corner_coords = { y = wa.y + wa.height * (1 - mwfact) / 2, x = g.x + offset }
end
mouse.coords(corner_coords)
local prev_coords = {}
mousegrabber.run(function(m)
if not c.valid then return false end
for _, v in ipairs(m.buttons) do
if v then
prev_coords = { x = m.x, y = m.y }
local new_mwfact
if orientation == 'vertical' then
new_mwfact = 1 - (m.x - wa.x) / wa.width * 2
else
new_mwfact = 1 - (m.y - wa.y) / wa.height * 2
end
c.screen.selected_tag.master_width_factor = math.min(math.max(new_mwfact, 0.01), 0.99)
return true
end
end
return prev_coords.x == m.x and prev_coords.y == m.y
end, cursor)
end
function centerwork.arrange(p)
return arrange(p, centerwork)
end
function centerwork.horizontal.arrange(p)
return arrange(p, centerwork.horizontal)
end
function centerwork.mouse_resize_handler(c, corner, x, y)
return mouse_resize_handler(c, corner, x, y, 'vertical')
end
function centerwork.horizontal.mouse_resize_handler(c, corner, x, y)
return mouse_resize_handler(c, corner, x, y, 'horizontal')
end
--[[
Make focus.byidx and swap.byidx behave more consistently with other layouts.
--]]
local awful = require("awful")
local gears = require("gears")
local client = client
local function compare_position(a, b)
if a.x == b.x then
return a.y < b.y
else
return a.x < b.x
end
end
local function clients_by_position()
local this = client.focus
if this then
local sorted = {}
for _, c in ipairs(client.focus.first_tag:clients()) do
if not c.minimized then sorted[#sorted+1] = c end
end
table.sort(sorted, compare_position)
local idx = 0
for i, that in ipairs(sorted) do
if this.window == that.window then
idx = i
end
end
if idx > 0 then
return { sorted = sorted, idx = idx }
end
end
return {}
end
local function in_centerwork()
return client.focus and client.focus.first_tag.layout.name == "centerwork"
end
centerwork.focus = {}
--[[
Drop in replacements for awful.client.focus.byidx and awful.client.swap.byidx
that behaves consistently with other layouts.
--]]
function centerwork.focus.byidx(i)
if in_centerwork() then
local cls = clients_by_position()
if cls.idx then
local target = cls.sorted[gears.math.cycle(#cls.sorted, cls.idx + i)]
awful.client.focus.byidx(0, target)
end
else
awful.client.focus.byidx(i)
end
end
centerwork.swap = {}
function centerwork.swap.byidx(i)
if in_centerwork() then
local cls = clients_by_position()
if cls.idx then
local target = cls.sorted[gears.math.cycle(#cls.sorted, cls.idx + i)]
client.focus:swap(target)
end
else
awful.client.swap.byidx(i)
end
end
return centerwork