211 lines
7.0 KiB
Lua
Executable File
211 lines
7.0 KiB
Lua
Executable File
---------------------------------------------------------------------------
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--- Layout module for awful
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--
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2008 Julien Danjou
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-- @release @AWESOME_VERSION@
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-- @module awful.layout
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---------------------------------------------------------------------------
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-- Grab environment we need
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local ipairs = ipairs
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local type = type
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local tag = require("awful.tag")
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local util = require("awful.util")
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local ascreen = require("awful.screen")
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local capi = {
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screen = screen,
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awesome = awesome,
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client = client
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}
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local client = require("awful.client")
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local timer = require("gears.timer")
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local layout = {}
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--- Default predefined layouts
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--
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-- @fixme Add documentation on available layouts as all of them are hidden
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layout.suit = require("awful.layout.suit")
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-- The default list of layouts
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layout.layouts = {
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layout.suit.floating,
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layout.suit.tile,
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layout.suit.tile.left,
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layout.suit.tile.bottom,
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layout.suit.tile.top,
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layout.suit.fair,
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layout.suit.fair.horizontal,
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layout.suit.spiral,
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layout.suit.spiral.dwindle,
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layout.suit.max,
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layout.suit.max.fullscreen,
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layout.suit.magnifier,
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layout.suit.corner.nw,
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layout.suit.corner.ne,
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layout.suit.corner.sw,
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layout.suit.corner.se,
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}
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-- This is a special lock used by the arrange function.
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-- This avoids recurring call by emitted signals.
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local arrange_lock = false
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-- Delay one arrange call per screen.
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local delayed_arrange = {}
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--- Get the current layout.
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-- @param screen The screen number.
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-- @return The layout function.
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function layout.get(screen)
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local t = tag.selected(screen)
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return tag.getproperty(t, "layout") or layout.suit.floating
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end
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--- Change the layout of the current tag.
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-- @param i Relative index.
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-- @param s The screen number.
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-- @param[opt] layouts A table of layouts.
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function layout.inc(i, s, layouts)
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local t = tag.selected(s)
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local layouts = layouts or layout.layouts
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if t then
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local curlayout = layout.get(s)
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local curindex
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for k, v in ipairs(layouts) do
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if v == curlayout then
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curindex = k
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break
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end
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end
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if not curindex then
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-- Safety net: handle cases where another reference of the layout
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-- might be given (e.g. when (accidentally) cloning it).
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for k, v in ipairs(layouts) do
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if v.name == curlayout.name then
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curindex = k
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break
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end
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end
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end
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if curindex then
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local newindex = util.cycle(#layouts, curindex + i)
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layout.set(layouts[newindex], t)
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end
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end
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end
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--- Set the layout function of the current tag.
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-- @param _layout Layout name.
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-- @param t The tag to modify, if null tag.selected() is used.
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function layout.set(_layout, t)
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t = t or tag.selected()
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tag.setproperty(t, "layout", _layout)
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end
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--- Arrange a screen using its current layout.
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-- @param screen The screen to arrange.
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function layout.arrange(screen)
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if not screen or delayed_arrange[screen] then return end
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delayed_arrange[screen] = true
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timer.delayed_call(function()
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if arrange_lock then return end
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arrange_lock = true
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local p = {}
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p.workarea = capi.screen[screen].workarea
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-- Handle padding
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local padding = ascreen.padding(capi.screen[screen])
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if padding then
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p.workarea.x = p.workarea.x + (padding.left or 0)
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p.workarea.y = p.workarea.y + (padding.top or 0)
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p.workarea.width = p.workarea.width - ((padding.left or 0 ) + (padding.right or 0))
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p.workarea.height = p.workarea.height - ((padding.top or 0) + (padding.bottom or 0))
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end
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p.geometry = capi.screen[screen].geometry
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p.clients = client.tiled(screen)
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p.screen = screen
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p.geometries = setmetatable({}, {__mode = "k"})
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layout.get(screen).arrange(p)
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for c, g in pairs(p.geometries) do
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g.width = g.width - c.border_width * 2
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g.height = g.height - c.border_width * 2
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c:geometry(g)
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end
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capi.screen[screen]:emit_signal("arrange")
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arrange_lock = false
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delayed_arrange[screen] = nil
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end)
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end
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--- Get the current layout name.
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-- @param _layout The layout.
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-- @return The layout name.
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function layout.getname(_layout)
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local _layout = _layout or layout.get()
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return _layout.name
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end
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local function arrange_prop(obj) layout.arrange(obj.screen) end
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capi.client.connect_signal("property::size_hints_honor", arrange_prop)
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capi.client.connect_signal("property::struts", arrange_prop)
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capi.client.connect_signal("property::minimized", arrange_prop)
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capi.client.connect_signal("property::sticky", arrange_prop)
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capi.client.connect_signal("property::fullscreen", arrange_prop)
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capi.client.connect_signal("property::maximized_horizontal", arrange_prop)
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capi.client.connect_signal("property::maximized_vertical", arrange_prop)
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capi.client.connect_signal("property::border_width", arrange_prop)
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capi.client.connect_signal("property::hidden", arrange_prop)
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capi.client.connect_signal("property::floating", arrange_prop)
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capi.client.connect_signal("property::geometry", arrange_prop)
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capi.client.connect_signal("property::screen", function(c, old_screen)
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if old_screen then
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layout.arrange(old_screen)
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end
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layout.arrange(c.screen)
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end)
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local function arrange_on_tagged(c, tag)
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if not tag.screen then return end
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layout.arrange(tag.screen)
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if not capi.client.focus or not capi.client.focus:isvisible() then
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local c = client.focus.history.get(tag.screen, 0)
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if c then capi.client.focus = c end
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end
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end
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local function arrange_tag(t)
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layout.arrange(tag.getscreen(t))
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end
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capi.screen.add_signal("arrange")
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for s = 1, capi.screen.count() do
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tag.attached_connect_signal(s, "property::mwfact", arrange_tag)
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tag.attached_connect_signal(s, "property::nmaster", arrange_tag)
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tag.attached_connect_signal(s, "property::ncol", arrange_tag)
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tag.attached_connect_signal(s, "property::layout", arrange_tag)
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tag.attached_connect_signal(s, "property::windowfact", arrange_tag)
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tag.attached_connect_signal(s, "property::selected", arrange_tag)
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tag.attached_connect_signal(s, "property::activated", arrange_tag)
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tag.attached_connect_signal(s, "tagged", arrange_tag)
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capi.screen[s]:connect_signal("property::workarea", function(screen)
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layout.arrange(screen.index)
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end)
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capi.screen[s]:connect_signal("padding", function (screen)
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layout.arrange(screen.index)
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end)
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end
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capi.client.connect_signal("focus", function(c) layout.arrange(c.screen) end)
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capi.client.connect_signal("list", function()
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for screen = 1, capi.screen.count() do
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layout.arrange(screen)
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end
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end)
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return layout
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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