1 files changed, 73 insertions, 0 deletions
diff --git a/awesome/lib/awful/widget/layoutbox.lua b/awesome/lib/awful/widget/layoutbox.lua
new file mode 100644
index 0000000..c5f8ed3
--- /dev/null
+++ b/awesome/lib/awful/widget/layoutbox.lua
@@ -0,0 +1,73 @@
+---------------------------------------------------------------------------
+--- Layoutbox widget.
+--
+-- @author Julien Danjou &lt;julien@danjou.info&gt;
+-- @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 beautiful = require("beautiful")
+local imagebox = require("wibox.widget.imagebox")
+
+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]")
+    w:set_image(name and beautiful["layout_" .. 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)
+        layoutbox.boxes = boxes
+    end
+
+    -- Do we already have a layoutbox for this screen?
+    local w = boxes[screen]
+    if not w then
+        w = imagebox()
+        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