Update docs for shape_input

I grepped for shape_clip and edited places that needed editing.

Signed-off-by: Uli Schlachter <psychon@znc.in>

docs/common/wibox.ldoc

@@ -161,6 +161,15 @@
 -- @property shape_clip
 -- @param surface._native
 
+--- The wibox's input shape as a (native) cairo surface.
+--
+-- **Signal:**
+--
+--  * *property::shape_input*
+--
+-- @property shape_input
+-- @param surface._native
+
 --- Get or set mouse buttons bindings to a wibox.
 --
 -- @param buttons_table A table of buttons objects, or nothing.

lib/awful/wibar.lua

@@ -288,6 +288,7 @@ end
 -- @tparam wibox.widget arg.widget The widget that the wibox displays.
 -- @param arg.shape_bounding The wibox’s bounding shape as a (native) cairo surface.
 -- @param arg.shape_clip The wibox’s clip shape as a (native) cairo surface.
+-- @param arg.shape_input The wibox’s input shape as a (native) cairo surface.
 -- @tparam color arg.bg The background of the wibox.
 -- @tparam surface arg.bgimage The background image of the drawable.
 -- @tparam color arg.fg The foreground (text) of the wibox.

lib/wibox/init.lua

@@ -31,6 +31,7 @@ wibox.hierarchy = require("wibox.hierarchy")
 local force_forward = {
     shape_bounding = true,
     shape_clip = true,
+    shape_input = true,
 }
 
 --@DOC_wibox_COMMON@
@@ -120,6 +121,7 @@ local function setup_signals(_wibox)
     clone_signal("property::geometry")
     clone_signal("property::shape_bounding")
     clone_signal("property::shape_clip")
+    clone_signal("property::shape_input")
 
     obj = _wibox._drawable
     clone_signal("button::press")
@@ -147,6 +149,7 @@ end
 -- @tparam wibox.widget args.widget The widget that the wibox displays.
 -- @param args.shape_bounding The wibox’s bounding shape as a (native) cairo surface.
 -- @param args.shape_clip The wibox’s clip shape as a (native) cairo surface.
+-- @param args.shape_input The wibox’s input shape as a (native) cairo surface.
 -- @tparam color args.bg The background of the wibox.
 -- @tparam surface args.bgimage The background image of the drawable.
 -- @tparam color args.fg The foreground (text) of the wibox.