awesome/lib/awful/layout/init.lua.in

145 lines
4.5 KiB
Lua

---------------------------------------------------------------------------
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008 Julien Danjou
-- @release @AWESOME_VERSION@
---------------------------------------------------------------------------
-- Grab environment we need
local ipairs = ipairs
local type = type
local tag = require("awful.tag")
local util = require("awful.util")
local suit = require("awful.layout.suit")
local client = require("awful.client")
local wibox = require("awful.wibox")
local ascreen = require("awful.screen")
local capi = { screen = screen }
local hooks = require("awful.hooks")
--- Layout module for awful
module("awful.layout")
-- Create a hook to call when changing layout
hooks.user.create("layout")
--- Get the current layout.
-- @param screen The screen number.
-- @return The layout function.
function get(screen)
local t = tag.selected(screen)
return tag.getproperty(t, "layout") or suit.floating
end
--- Change the layout of the current tag.
-- @param layouts A table of layouts.
-- @param i Relative index.
function inc(layouts, i)
local t = tag.selected()
if t then
local curlayout = get()
local curindex
local rev_layouts = {}
for k, v in ipairs(layouts) do
if v == curlayout then
curindex = k
break
end
end
if curindex then
local newindex = util.cycle(#layouts, curindex + i)
set(layouts[newindex])
end
end
end
--- Set the layout function of the current tag.
-- @param layout Layout name.
function set(layout, t)
t = t or tag.selected()
tag.setproperty(t, "layout", layout)
hooks.user.call("layout", t, layout)
end
-- Register an arrange hook.
local function on_arrange (screen)
local t = tag.selected(screen)
local p = {}
p.workarea = wibox.get_workarea(screen)
-- Handle padding
local padding = ascreen.padding(screen)
if padding then
p.workarea.x = p.workarea.x + (padding.left or 0)
p.workarea.y = p.workarea.y + (padding.top or 0)
p.workarea.width = p.workarea.width - ((padding.left or 0 ) + (padding.right or 0))
p.workarea.height = p.workarea.height - ((padding.top or 0) + (padding.bottom or 0))
end
p.geometry = capi.screen[screen].geometry
p.clients = client.tiled(screen)
p.ncol = tag.getncol(t)
p.nmaster = tag.getnmaster(t)
p.mwfact = tag.getmwfact(t)
p.tagdata = tag.getdata(t)
p.screen = screen
get(screen).arrange(p)
end
--- Get the current layout name.
-- @param layout The layout.
-- @return The layout name.
function getname(layout)
local layout = layout or get()
return layout.name
end
hooks.property.register(function (obj, prop)
local objtype = type(obj)
if objtype == "client" then
if prop == "size_hints_honor"
or prop == "struts"
or prop == "minimized"
or prop == "sticky"
or prop == "fullscreen"
or prop == "maximized_horizontal"
or prop == "maximized_vertical"
or prop == "border_width"
or prop == "hide"
or prop == "titlebar"
or prop == "floating" then
on_arrange(obj.screen)
elseif prop == "screen" then
-- If prop is screen, we do not know what was the previous screen, so
-- let's arrange all screens :-(
for screen = 1, capi.screen.count() do
on_arrange(screen)
end
end
elseif objtype == "wibox" then
if prop == "screen"
or prop == "visible" then
on_arrange(obj.screen)
end
elseif objtype == "tag" then
if prop == "mwfact"
or prop == "nmaster"
or prop == "ncol"
or prop == "layout"
or prop == "windowfact" then
on_arrange(obj.screen)
end
end
end)
hooks.wibox_position.register(function(wibox)
on_arrange(wibox.screen)
end)
hooks.padding.register(function(screen) on_arrange(screen) end)
hooks.focus.register(function(c) on_arrange(c.screen) end)
hooks.clients.register(function()
for screen = 1, capi.screen.count() do
on_arrange(screen)
end
end)
hooks.tags.register(function(screen, tag, action) on_arrange(screen) end)
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80