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-rw-r--r--awesome/widgets/classiclayoutbox.lua113
1 files changed, 113 insertions, 0 deletions
diff --git a/awesome/widgets/classiclayoutbox.lua b/awesome/widgets/classiclayoutbox.lua
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+---------------------------------------------------------------------------
+--- Layoutbox widget.
+--
+-- @author Julien Danjou <julien@danjou.info>
+-- @copyright 2009 Julien Danjou
+-- @classmod awful.widget.layoutbox
+---------------------------------------------------------------------------
+
+local setmetatable = setmetatable
+local capi = { screen = screen, tag = tag }
+local layout = require("awful.layout")
+local tooltip = require("awful.tooltip")
+local wibox = require("wibox")
+local surface = require("gears.surface")
+
+local layout_icons = {
+ cornernw = "",
+ cornerne = "",
+ cornersw = "",
+ cornerse = "",
+ fairh = "",
+ fairv = "",
+ max = "[M]",
+ floating = "><>",
+ magnifier = "[M]",
+ fullscreen = "",
+ spiral = "",
+ dwindle = "",
+ tile = "[]=",
+ tiletop = "TTT",
+ tilebottom = "TTT",
+ tileleft = "=[]",
+}
+
+local function get_screen(s)
+return s and capi.screen[s]
+end
+
+local layoutbox = { mt = {} }
+
+local boxes = nil
+
+local function update(w, screen)
+screen = get_screen(screen)
+local name = layout.getname(layout.get(screen))
+w._layoutbox_tooltip:set_text(name or "[no name]")
+
+ if name == "max" and #screen.clients > 0 then
+ w.textbox.text = "[" .. #screen.clients .. "]"
+ return
+ end
+
+ w.textbox.text = layout_icons[name]
+end
+
+local function update_from_tag(t)
+local screen = get_screen(t.screen)
+local w = boxes[screen]
+if w then
+ update(w, screen)
+end
+end
+
+--- Create a layoutbox widget. It draws a picture with the current layout
+-- symbol of the current tag.
+-- @param screen The screen number that the layout will be represented for.
+-- @return An imagebox widget configured as a layoutbox.
+function layoutbox.new(screen)
+screen = get_screen(screen or 1)
+
+-- Do we already have the update callbacks registered?
+if boxes == nil then
+ boxes = setmetatable({}, { __mode = "kv" })
+ capi.tag.connect_signal("property::selected", update_from_tag)
+ capi.tag.connect_signal("property::layout", update_from_tag)
+ capi.tag.connect_signal("property::screen", function()
+ for s, w in pairs(boxes) do
+ if s.valid then
+ update(w, s)
+ end
+ end
+ end)
+ layoutbox.boxes = boxes
+end
+
+-- Do we already have a layoutbox for this screen?
+local w = boxes[screen]
+if not w then
+ w = wibox.widget {
+ {
+ id = "textbox",
+ widget = wibox.widget.textbox
+ },
+ layout = wibox.layout.fixed.horizontal
+ }
+
+ w._layoutbox_tooltip = tooltip {objects = {w}, delay_show = 1}
+
+ update(w, screen)
+ boxes[screen] = w
+end
+
+return w
+end
+
+function layoutbox.mt:__call(...)
+return layoutbox.new(...)
+end
+
+return setmetatable(layoutbox, layoutbox.mt)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
+