Implement #673

Conflicts:
	builds/appchan-x.user.js
	builds/crx/script.js
	src/General/Config.coffee
	src/Images/Gallery.coffee

src/General/Config.coffee

@@ -448,13 +448,15 @@ Config =
     'Hide Thumbnails': [
       false
     ]
-    # Fit Width =/= Fit width
+    'Fit Width': [ # 'Fit width' (lowercase W) belongs to Image Expansion. Engine limitations, heh.
-    'Fit Width': [
       true
     ]
     'Fit Height': [
       true
     ]
+    'Scroll to Post': [
+      true
+    ]
     'Slide Delay': [
       5.0
     ]

src/Images/Gallery.coffee

@@ -165,6 +165,13 @@ Gallery =
       # Center selected thumbnail
       nodes.thumbs.scrollTop = @offsetTop + @offsetHeight/2 - nodes.thumbs.clientHeight/2
 
+      # Scroll to post
+      try
+        if Conf['Scroll to Post'] and post = (post = g.posts[file.dataset.post])?.nodes.root
+          Header.scrollTo post
+      catch err
+        console.log err
+
     image: (e) ->
       e.preventDefault()
       e.stopPropagation()