placement: Fix under_mouse

The function stopped actually setting the geometry...

This was missed by tests because of an oversaw elsewhere.

lib/awful/mouse/init.lua

@@ -234,22 +234,11 @@ function mouse.resize_handler(c, context, hints)
         local lay = c.screen.selected_tag.layout
 
         if lay == layout.suit.floating or c.floating then
-            local offset = hints and hints.offset or {}
-
-            if type(offset) == "number" then
-                offset = {
-                    x      = offset,
-                    y      = offset,
-                    width  = offset,
-                    height = offset,
-                }
-            end
-
             c:geometry {
-                x      = hints.x      + (offset.x      or 0 ),
-                y      = hints.y      + (offset.y      or 0 ),
-                width  = hints.width  + (offset.width  or 0 ),
-                height = hints.height + (offset.height or 0 ),
+                x      = hints.x,
+                y      = hints.y,
+                width  = hints.width,
+                height = hints.height,
             }
         elseif lay.resize_handler then
             lay.resize_handler(c, context, hints)

lib/awful/placement.lua

@@ -144,15 +144,16 @@ local function compose(...)
         -- Only apply the geometry once, not once per chain node, to do this,
         -- Force the "pretend" argument and restore the original value for
         -- the last node.
-        local pretend_real = args.pretend
-        local attach_real  = args.attach
-
-        args.pretend = true
-        args.attach  = false
+        local attach_real = args.attach
+        args.pretend      = true
+        args.attach       = false
+        args.offset       = {}
 
         for k, f in ipairs(queue) do
             if k == #queue then
-                args.pretend = pretend_real or false
+                -- Let them fallback to the parent table
+                args.pretend = nil
+                args.offset  = nil
             end
 
             local r = {f(d, args, ...)}
@@ -802,6 +803,8 @@ function placement.under_mouse(d, args)
     ngeo.width  = ngeo.width  - 2*bw
     ngeo.height = ngeo.height - 2*bw
 
+    geometry_common(d, args, ngeo)
+
     return fix_new_geometry(ngeo, args, true)
 end