111 lines
2.8 KiB
Lua
111 lines
2.8 KiB
Lua
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2008 Julien Danjou
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-- @release v3.4.11
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---------------------------------------------------------------------------
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-- Grab environment we need
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local ipairs = ipairs
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local math = math
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module("layouts.fairgaps")
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local function fair(p, orientation)
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local wa = p.workarea
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local cls = p.clients
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if #cls > 0 then
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local cells = math.ceil(math.sqrt(#cls))
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local strips = math.ceil(#cls / cells)
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local cell = 0
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local strip = 0
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for k, c in ipairs(cls) do
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local g = {}
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if ( orientation == "east" and #cls > 2 )
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or ( orientation == "south" and #cls <= 2 ) then
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if #cls < (strips * cells) and strip == strips - 1 then
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g.width = wa.width / (cells - ((strips * cells) - #cls))
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else
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g.width = wa.width / cells
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end
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g.height = wa.height / strips
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g.x = wa.x + cell * g.width
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g.y = wa.y + strip * g.height
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else
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if #cls < (strips * cells) and strip == strips - 1 then
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g.height = wa.height / (cells - ((strips * cells) - #cls))
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else
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g.height = wa.height / cells
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end
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g.width = wa.width / strips
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g.x = wa.x + strip * g.width
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g.y = wa.y + cell * g.height
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end
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-- Useless gap.
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useless_gap = 25
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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 g.x == wa.x then
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top = true
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end
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if g.y == wa.y then
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left = true
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end
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if top then
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g.width = g.width - 2 * useless_gap
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g.x = g.x + useless_gap
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else
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g.width = g.width - useless_gap
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end
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if left then
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g.height = g.height - 2 * useless_gap
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g.y = g.y + useless_gap
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else
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g.height = g.height - useless_gap
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end
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end
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-- End of useless gap.
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c:geometry(g)
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cell = cell + 1
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if cell == cells then
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cell = 0
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strip = strip + 1
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end
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end
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end
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end
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--- Horizontal fair layout.
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-- @param screen The screen to arrange.
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horizontal = {}
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horizontal.name = "fairhgaps"
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function horizontal.arrange(p)
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return fair(p, "east")
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end
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-- Vertical fair layout.
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-- @param screen The screen to arrange.
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name = "fairvgaps"
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function arrange(p)
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return fair(p, "south")
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end
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