240 lines
7.3 KiB
Lua
240 lines
7.3 KiB
Lua
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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) 2009 Donald Ephraim Curtis
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* (c) 2008 Julien Danjolu
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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 ipairs = ipairs
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local math = { floor = math.floor,
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max = math.max,
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min = math.min }
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local tonumber = tonumber
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local uselesstile = {}
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local function tile_group(cls, wa, orientation, fact, group)
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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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-- get our orientation right
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local height = "height"
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local width = "width"
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local x = "x"
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local y = "y"
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if orientation == "top" or orientation == "bottom" then
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height = "width"
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width = "height"
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x = "y"
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y = "x"
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end
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-- make this more generic (not just width)
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--if for top
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available = wa[width] - (group.coord - wa[x]) -- it's truly not here
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-- find our total values
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local total_fact = 0
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local min_fact = 1
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local size = group.size
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for c = group.first,group.last do
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-- determine the width/height based on the size_hint
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local i = c - group.first +1
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local size_hints = cls[c].size_hints
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local size_hint = size_hints["min_"..width] or size_hints["base_"..width] or 0
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size_hint = size_hint + cls[c].border_width*2
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size = math.max(size_hint, size)
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-- calculate the height
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if not fact[i] then
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fact[i] = min_fact
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else
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min_fact = math.min(fact[i],min_fact)
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end
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total_fact = total_fact + fact[i]
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end
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size = math.min(size, (available - global_border))
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local coord = wa[y]
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local geom = {}
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local used_size = 0
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local unused = wa[height] - (global_border * 2)
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local stat_coord = wa[x]
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--stat_coord = size
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for c = group.first,group.last do
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local i = c - group.first +1
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geom[width] = size - global_border - (bw * 2)
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geom[height] = math.floor(unused * fact[i] / total_fact) - (bw * 2)
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geom[x] = group.coord + global_border + (useless_gap / 2)
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geom[y] = coord + global_border + (useless_gap / 2)
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coord = coord + geom[height]
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unused = unused - geom[height]
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total_fact = total_fact - fact[i]
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used_size = math.max(used_size, geom[width])
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-- Useless gap
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if useless_gap > 0
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then
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-- Top and left clients are shrinked by two steps and
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-- get moved away from the border. Other clients just
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-- get shrinked in one direction.
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top = false
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left = false
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if geom[y] == wa[y] then
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top = true
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end
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if geom[x] == 0 or geom[x] == wa[x] then
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left = true
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end
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if top then
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geom[height] = geom[height] - (2 * useless_gap)
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geom[y] = geom[y] + useless_gap
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else
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geom[height] = geom[height] - useless_gap
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end
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if left then
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geom[width] = geom[width] - (2 * useless_gap)
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geom[x] = geom[x] + useless_gap
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else
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geom[width] = geom[width] - useless_gap
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end
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end
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-- End of useless gap.
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geom = cls[c]:geometry(geom)
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end
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return used_size
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end
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local function tile(param, orientation)
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local t = tag.selected(param.screen)
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orientation = orientation or "right"
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-- this handles are different orientations
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local height = "height"
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local width = "width"
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local x = "x"
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local y = "y"
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if orientation == "top" or orientation == "bottom" then
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height = "width"
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width = "height"
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x = "y"
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y = "x"
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end
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local cls = param.clients
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local nmaster = math.min(tag.getnmaster(t), #cls)
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local nother = math.max(#cls - nmaster,0)
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local mwfact = tag.getmwfact(t)
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local wa = param.workarea
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local ncol = tag.getncol(t)
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local data = tag.getdata(t).windowfact
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if not data then
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data = {}
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tag.getdata(t).windowfact = data
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end
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local coord = wa[x]
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local place_master = true
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if orientation == "left" or orientation == "top" then
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-- if we are on the left or top we need to render the other windows first
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place_master = false
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end
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-- this was easier than writing functions because there is a lot of data we need
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for d = 1,2 do
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if place_master and nmaster > 0 then
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local size = wa[width]
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if nother > 0 then
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size = math.min(wa[width] * mwfact, wa[width] - (coord - wa[x]))
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end
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if not data[0] then
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data[0] = {}
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end
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coord = coord + tile_group(cls, wa, orientation, data[0], {first=1, last=nmaster, coord = coord, size = size})
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end
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if not place_master and nother > 0 then
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local last = nmaster
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-- we have to modify the work area size to consider left and top views
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local wasize = wa[width]
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if nmaster > 0 and (orientation == "left" or orientation == "top") then
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wasize = wa[width] - wa[width]*mwfact
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end
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for i = 1,ncol do
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-- Try to get equal width among remaining columns
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local size = math.min((wasize - (coord - wa[x])) / (ncol - i + 1)) --+ (global_border/(ncol))/(ncol+i^2)
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local first = last + 1
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last = last + math.floor((#cls - last)/(ncol - i + 1))
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-- tile the column and update our current x coordinate
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if not data[i] then
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data[i] = {}
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end
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coord = coord + tile_group(cls, wa, orientation, data[i], { first = first, last = last, coord = coord, size = size })
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end
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end
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place_master = not place_master
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end
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end
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uselesstile.right = {}
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uselesstile.right.name = "uselesstile"
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uselesstile.right.arrange = tile
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--- The main tile algo, on left.
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-- @param screen The screen number to tile.
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uselesstile.left = {}
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uselesstile.left.name = "uselesstileleft"
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function uselesstile.left.arrange(p)
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return tile(p, "left")
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end
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--- The main tile algo, on bottom.
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-- @param screen The screen number to tile.
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uselesstile.bottom = {}
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uselesstile.bottom.name = "uselesstilebottom"
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function uselesstile.bottom.arrange(p)
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return tile(p, "bottom")
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end
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--- The main tile algo, on top.
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-- @param screen The screen number to tile.
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uselesstile.top = {}
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uselesstile.top.name = "uselesstiletop"
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function uselesstile.top.arrange(p)
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return tile(p, "top")
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end
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uselesstile.arrange = uselesstile.right.arrange
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uselesstile.name = uselesstile.right.name
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return uselesstile
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