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