BlameShowAll ergonomics (#22)

* Allow blame_show_all to toggle, like regular blame

* Give blame_show_all a keybinding

* Fix blame_show_all interaction with horiz scroll

Author: frou

Default (OSX).sublime-keymap

@@ -1,6 +1,4 @@
 [
-{
-    "keys": ["ctrl+alt+b"],
-    "command": "blame"
-}
+  {"keys": ["ctrl+alt+b"],       "command": "blame"},
+  {"keys": ["ctrl+alt+shift+b"], "command": "blame_show_all"}
 ]

Default (Windows).sublime-keymap

@@ -1,6 +1,4 @@
 [
-{
-    "keys": ["ctrl+alt+b"],
-    "command": "blame"
-}
+  {"keys": ["ctrl+alt+b"],       "command": "blame"},
+  {"keys": ["ctrl+alt+shift+b"], "command": "blame_show_all"}
 ]

git-blame.py

@@ -217,13 +217,19 @@ def run(self, edit):
             return
 
         self.view.erase_phantoms(PHANTOM_KEY_ALL)
+        phantoms = []
+
+        # If they are currently shown, toggle them off and return.
+        if self.view.settings().get(SETTING_PHANTOM_ALL_DISPLAYED, False):
+            self.phantom_set.update(phantoms)
+            self.view.settings().set(SETTING_PHANTOM_ALL_DISPLAYED, False)
+            return
 
         blame_lines = self.get_blame_lines(self.view.file_name())
 
         if not blame_lines:
             return
 
-        phantoms = []
         for l in blame_lines:
             parsed = self.parse_blame(l)
             if not parsed:
@@ -246,6 +252,8 @@ def run(self, edit):
 
         self.phantom_set.update(phantoms)
         self.view.settings().set(SETTING_PHANTOM_ALL_DISPLAYED, True)
+        # Bring the phantoms into view without the user needing to manually scroll left.
+        self.view.set_viewport_position((0.0, self.view.viewport_position()[1]))
 
     def get_blame_lines(self, path):
         '''Run `git blame` and get the output lines.