awesome/lib/awful/layout/suit/magnifier.lua.in

94 lines
2.5 KiB
Lua

---------------------------------------------------------------------------
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008 Julien Danjou
-- @release @AWESOME_VERSION@
---------------------------------------------------------------------------
-- Grab environment we need
local setmetatable = setmetatable
local ipairs = ipairs
local math = math
local tag = require("awful.tag")
local capi =
{
client = client,
screen = screen
}
local client = require("awful.client")
--- Magnifier layout module for awful
module("awful.layout.suit.magnifier")
local function magnifier(_, screen)
-- Fullscreen?
local area = capi.screen[screen].workarea
local cls = client.tiled(screen)
local focus = capi.client.focus
local t = tag.selected(screen)
local mwfact = tag.getmwfact(t)
if not focus and #cls > 0 then
focus = cls[1]
end
-- Abort if no clients are present
if not focus then
return
end
-- Find parent of this window, if it has one.
while focus.transient_for do
focus = focus.transient_for
end
-- If focused window is not tiled, take the first one which is tiled.
if client.floating.get(focus) then
focus = cls[1]
end
local geometry = {}
if #cls - 1 > 0 then
geometry.width = area.width * math.sqrt(mwfact)
geometry.height = area.height * math.sqrt(mwfact)
geometry.x = area.x + (area.width - geometry.width) / 2
geometry.y = area.y + (area.height - geometry.height) /2
else
geometry.x = area.x
geometry.y = area.y
geometry.width = area.width
geometry.height = area.height
end
focus:geometry(geometry)
focus:raise()
if #cls - 1 > 0 then
geometry.x = area.x
geometry.y = area.y
geometry.height = area.height / (#cls - 1)
geometry.width = area.width
local fidx
for k, c in ipairs(cls) do
if k == focus then
fidx = k
break
end
end
-- First move clients that are before focused client.
for k = fidx + 1, #cls do
cls[k]:geometry(geometry)
geometry.y = geometry.y + geometry.height
end
-- Then move clients that are after focused client.
-- So the next focused window will be the one at the top of the screen.
for k = 1, fidx - 1 do
cls[k]:geometry(geometry)
geometry.y = geometry.y + geometry.height
end
end
end
setmetatable(_M, { __call = magnifier })