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138 lines
4.5 KiB
138 lines
4.5 KiB
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--[[ |
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Licensed under GNU General Public License v2 |
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* (c) 2014, projektile |
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* (c) 2013, Luke Bonham |
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* (c) 2010-2012, Peter Hofmann |
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--]] |
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local tag = require("awful.tag") |
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local beautiful = require("beautiful") |
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local math = { ceil = math.ceil, |
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floor = math.floor, |
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max = math.max } |
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local tonumber = tonumber |
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local termfair = { name = "termfair" } |
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function termfair.arrange(p) |
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-- Layout with fixed number of vertical columns (read from nmaster). |
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-- New windows align from left to right. When a row is full, a now |
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-- one above it is created. Like this: |
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-- (1) (2) (3) |
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-- +---+---+---+ +---+---+---+ +---+---+---+ |
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-- | | | | | | | | | | | | |
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-- | 1 | | | -> | 2 | 1 | | -> | 3 | 2 | 1 | -> |
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-- | | | | | | | | | | | | |
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-- +---+---+---+ +---+---+---+ +---+---+---+ |
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-- (4) (5) (6) |
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-- +---+---+---+ +---+---+---+ +---+---+---+ |
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-- | 4 | | | | 5 | 4 | | | 6 | 5 | 4 | |
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-- +---+---+---+ -> +---+---+---+ -> +---+---+---+ |
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-- | 3 | 2 | 1 | | 3 | 2 | 1 | | 3 | 2 | 1 | |
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-- +---+---+---+ +---+---+---+ +---+---+---+ |
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-- A useless gap (like the dwm patch) can be defined with |
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-- beautiful.useless_gap_width. |
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local useless_gap = tonumber(beautiful.useless_gap_width) or 0 |
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if useless_gap < 0 then useless_gap = 0 end |
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-- A global border can be defined with |
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-- beautiful.global_border_width |
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local global_border = tonumber(beautiful.global_border_width) or 0 |
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if global_border < 0 then global_border = 0 end |
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-- Themes border width requires an offset |
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local bw = tonumber(beautiful.border_width) or 0 |
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-- Screen. |
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local wa = p.workarea |
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local cls = p.clients |
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-- Borders are factored in. |
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wa.height = wa.height - ((global_border * 2) + (bw * 2)) |
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wa.width = wa.width - ((global_border * 2) + (bw * 2)) |
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-- How many vertical columns? |
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local t = tag.selected(p.screen) |
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local num_x = termfair.nmaster or tag.getnmaster(t) |
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-- Do at least "desired_y" rows. |
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local desired_y = termfair.ncol or tag.getncol(t) |
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if #cls > 0 |
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then |
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local num_y = math.max(math.ceil(#cls / num_x), desired_y) |
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local cur_num_x = num_x |
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local at_x = 0 |
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local at_y = 0 |
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local remaining_clients = #cls |
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local width = math.floor(wa.width / num_x) |
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local height = math.floor(wa.height / num_y) |
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-- We start the first row. Left-align by limiting the number of |
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-- available slots. |
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if remaining_clients < num_x |
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then |
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cur_num_x = remaining_clients |
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end |
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-- Iterate in reversed order. |
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for i = #cls,1,-1 |
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do |
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-- Get x and y position. |
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local c = cls[i] |
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local this_x = cur_num_x - at_x - 1 |
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local this_y = num_y - at_y - 1 |
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-- Calc geometry. |
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local g = {} |
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if this_x == (num_x - 1) |
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then |
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g.width = wa.width - (num_x - 1) * width - useless_gap |
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else |
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g.width = width - useless_gap |
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end |
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if this_y == (num_y - 1) |
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then |
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g.height = wa.height - (num_y - 1) * height - useless_gap |
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else |
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g.height = height - useless_gap |
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end |
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g.x = wa.x + this_x * width + global_border |
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g.y = wa.y + this_y * height + global_border |
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if useless_gap > 0 |
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then |
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-- All clients tile evenly. |
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g.x = g.x + (useless_gap / 2) |
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g.y = g.y + (useless_gap / 2) |
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end |
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c:geometry(g) |
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remaining_clients = remaining_clients - 1 |
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-- Next grid position. |
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at_x = at_x + 1 |
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if at_x == num_x |
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then |
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-- Row full, create a new one above it. |
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at_x = 0 |
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at_y = at_y + 1 |
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-- We start a new row. Left-align. |
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if remaining_clients < num_x |
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then |
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cur_num_x = remaining_clients |
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end |
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end |
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end |
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end |
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end |
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return termfair
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