Drop JumpBack command

Obsolete as of ST3.

Key bindings are re-mapped to built-in `jump_prev`.

Mouse binding is dropped as conflicting with built-in block selection binding.

Context.sublime-menu

@@ -6,10 +6,5 @@
 		"caption": "Navigate to Definition",
 		"command": "navigate_to_definition",
 		"args": {}
-	},
-	{
-		"caption": "Jump Back",
-		"command": "jump_prev",
-		"args": {}
 	}
 ]

Default.sublime-keymap

@@ -12,11 +12,11 @@
 		"keys": ["ctrl+t", "ctrl+y"]
 	},
 	{
-		"command": "jump_prev",
+		"command": "jump_back",
 		"keys": ["ctrl+t", "ctrl+b"]
 	},
 	{
-		"command": "jump_prev",
+		"command": "jump_back",
 		"keys": ["ctrl+shift+comma"]
 	},
 	{

Default.sublime-mousemap

@@ -6,10 +6,10 @@
 		"modifiers": ["ctrl", "shift"],
 		"command": "navigate_to_definition"
 	},
-	{
-		"button": "button2",
-		"count": 1,
-		"modifiers": ["ctrl", "shift"],
-		"command": "jump_prev"
-	}
+	// {
+	// 	"button": "button2",
+	// 	"count": 1,
+	// 	"modifiers": ["ctrl", "shift"],
+	// 	"command": "jump_back"
+	// }
 ]

plugin.py

@@ -23,7 +23,6 @@
     # Publish Commands and EventListeners
     from .plugins.cmds import (
         CTagsAutoComplete,
-        JumpPrev,
         NavigateToDefinition,
         RebuildTags,
         SearchForDefinition,

plugins/cmds.py

@@ -7,7 +7,7 @@
 import subprocess
 import threading
 
-from collections import defaultdict, deque
+from collections import defaultdict
 from itertools import chain
 from operator import itemgetter as iget
 
@@ -448,54 +448,6 @@ def get_current_file_suffix(path):
     return file_suffix
 
 
-#
-# Sublime Commands
-#
-
-# JumpPrev Commands
-
-
-class JumpPrev(sublime_plugin.WindowCommand):
-    """
-    Provide ``jump_back`` command.
-
-    Command "jumps back" to the previous code point before a tag was navigated
-    or "jumped" to.
-
-    This is functionality supported natively by ST3 but not by ST2. It is
-    therefore included for legacy purposes.
-    """
-
-    buf = deque(maxlen=100)  # virtually a "ring buffer"
-
-    def is_enabled(self):
-        # disable if nothing in the buffer
-        return len(self.buf) > 0
-
-    def is_visible(self):
-        return setting("show_context_menus")
-
-    def run(self):
-        if not self.buf:
-            return status_message("JumpPrev buffer empty")
-
-        file_name, sel = self.buf.pop()
-        self.jump(file_name, sel)
-
-    def jump(self, path, sel):
-        @on_load(path, begin_edit=True)
-        def and_then(view):
-            select(view, sel)
-
-    @classmethod
-    def append(cls, view):
-        """Append a code point to the list"""
-        name = view.file_name()
-        if name:
-            sel = [s for s in view.sel()][0]
-            cls.buf.append((name, sel))
-
-
 # CTags commands
 
 
@@ -562,7 +514,6 @@ def show_tag_panel(view, result, jump_directly):
 
         def on_select(i):
             if i != -1:
-                JumpPrev.append(view)
                 # Work around bug in ST3 where the quick panel keeps focus after
                 # selecting an entry.
                 # See https://github.com/SublimeText/Issues/issues/39
@@ -632,7 +583,6 @@ def run(symbol, region, sym_line, mbrParts, view, tags_file):
 
         if not tags:
             # append to allow jump back to work
-            JumpPrev.append(view)
             view.window().run_command("goto_definition")
             return status_message('Can\'t find "%s"' % symbol)