Fix post menus in stubs.

Also removed some old arguments, fixed some semantics, added Get.threadFromNode, and used it.

src/Filtering/PostHiding.coffee

@@ -166,7 +166,7 @@ PostHiding =
       className: 'stub'
     $.add post.nodes.stub, a
     if Conf['Menu']
-      $.add post.nodes.stub, [$.tn(' '), Menu.makeButton post]
+      $.add post.nodes.stub, [$.tn(' '), Menu.makeButton()]
     $.prepend post.nodes.root, post.nodes.stub
 
   show: (post, showRecursively=Conf['Recursive Hiding']) ->

src/Filtering/ThreadHiding.coffee

@@ -151,7 +151,7 @@ ThreadHiding =
       className: 'stub'
     $.add thread.stub, a
     if Conf['Menu']
-      $.add thread.stub, [$.tn(' '), Menu.makeButton OP]
+      $.add thread.stub, [$.tn(' '), Menu.makeButton()]
     $.prepend threadRoot, thread.stub
 
   show: (thread) ->

src/General/Get.coffee

@@ -10,6 +10,8 @@ Get =
     "/#{thread.board}/ - #{excerpt}"
   threadFromRoot: (root) ->
     g.threads["#{g.BOARD}.#{root.id[1..]}"]
+  threadFromNode: (node) ->
+    Get.threadFromRoot $.x 'ancestor::div[@class="thread"]', node
   postFromRoot: (root) ->
     link    = $ 'a[title="Highlight this post"]', root
     boardID = link.pathname.split('/')[1]
@@ -17,10 +19,10 @@ Get =
     index   = root.dataset.clone
     post    = g.posts["#{boardID}.#{postID}"]
     if index then post.clones[index] else post
-  postFromNode: (root) ->
-    Get.postFromRoot $.x 'ancestor::div[contains(@class,"postContainer")][1]', root
-  contextFromNode: (quotelink) ->
-    Get.postFromRoot $.x 'ancestor::div[parent::div[@class="thread"]][1]', quotelink
+  postFromNode: (node) ->
+    Get.postFromRoot $.x 'ancestor::div[contains(@class,"postContainer")][1]', node
+  contextFromNode: (node) ->
+    Get.postFromRoot $.x 'ancestor::div[parent::div[@class="thread"]][1]', node
   postDataFromLink: (link) ->
     if link.hostname is 'boards.4chan.org'
       path     = link.pathname.split '/'

src/Menu/Menu.coffee

@@ -10,10 +10,10 @@ Menu =
   node: ->
     if @isClone
       button = $ '.menu-button', @nodes.info
-    else
-      button = Menu.makeButton @
-      $.add @nodes.info, [$.tn('\u00A0'), button]
-    $.on button, 'click', Menu.toggle
+      $.on button, 'click', Menu.toggle
+      return
+    button = Menu.makeButton()
+    $.add @nodes.info, [$.tn('\u00A0'), button]
 
   makeButton: do ->
     a = null
@@ -22,7 +22,15 @@ Menu =
         className: 'menu-button'
         innerHTML: '[<i></i>]'
         href:      'javascript:;'
-      a.cloneNode true
+      button = a.cloneNode true
+      $.on button, 'click', Menu.toggle
+      button
 
   toggle: (e) ->
-    Menu.menu.toggle e, @, Get.postFromNode @
+    try
+      # Posts, inlined posts, hidden replies.
+      post = Get.postFromNode @
+    catch
+      # Hidden threads.
+      post = Get.threadFromNode(@).OP
+    Menu.menu.toggle e, @, post

src/Miscellaneous/ExpandThread.coffee

@@ -23,7 +23,7 @@ ExpandThread =
     text.join(' ') + '.'
 
   cbToggle: ->
-    ExpandThread.toggle Get.threadFromRoot @parentNode
+    ExpandThread.toggle Get.threadFromNode @
 
   toggle: (thread) ->
     threadRoot = thread.OP.nodes.root.parentNode

src/Posting/QR.coffee

@@ -340,7 +340,7 @@ QR =
       $.addClass QR.nodes.el, 'dump'
       QR.cooldown.auto = true
     {com, thread} = QR.nodes
-    thread.value = Get.contextFromNode(@).thread unless com.value
+    thread.value = Get.threadFromNode @ unless com.value
 
     caretPos = com.selectionStart
     # Replace selection for text.