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

106 lines
3.0 KiB
Lua

---------------------------------------------------------------------------
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008 Julien Danjou
-- @release @AWESOME_VERSION@
---------------------------------------------------------------------------
-- Grab environment we need
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")
function arrange(p)
-- Fullscreen?
local area = p.workarea
local cls = p.clients
local focus = capi.client.focus
local mwfact = tag.getmwfact(tag.selected(p.screen))
local fidx
-- Check that the focused window is on the right screen
if focus and focus.screen ~= p.screen then focus = nil end
if not focus and #cls > 0 then
focus = cls[1]
fidx = 1
end
-- If focused window is not tiled, take the first one which is tiled.
if client.floating.get(focus) then
focus = cls[1]
fidx = 1
end
-- Abort if no clients are present
if not focus then return end
local geometry = {}
if #cls > 1 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
local g = {
x = geometry.x,
y = geometry.y,
width = geometry.width - focus.border_width * 2,
height = geometry.height - focus.border_width * 2
}
focus:geometry(g)
focus:raise()
if #cls > 1 then
geometry.x = area.x
geometry.y = area.y
geometry.height = area.height / (#cls - 1)
geometry.width = area.width
-- We don't know what the focus window index. Try to find it.
if not fidx then
for k, c in ipairs(cls) do
if c == focus then
fidx = k
break
end
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
local g = {
x = geometry.x,
y = geometry.y,
width = geometry.width - cls[k].border_width * 2,
height = geometry.height - cls[k].border_width * 2
}
cls[k]:geometry(g)
geometry.y = geometry.y + geometry.height
end
end
end
name = "magnifier"