[meld] filediff: Improve appearance and spacing of action 'buttons'

[Kai Willadsen <kaiw src gnome org>]

commit 82a5d61f407ba7d8aeb901abd8b538f7f525aa8b
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Sep 25 08:32:50 2016 +1000

    filediff: Improve appearance and spacing of action 'buttons'

 meld/filediff.py |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/meld/filediff.py b/meld/filediff.py
index 4e4f74a..a990572 100644
--- a/meld/filediff.py
+++ b/meld/filediff.py
@@ -205,6 +205,9 @@ class FileDiff(melddoc.MeldDoc, gnomeglade.Component):
                     window = Gtk.TextWindowType.LEFT
                 views = [self.textview[pane], self.textview[pane + 1]]
                 renderer = GutterRendererChunkAction(pane, pane + 1, views, self, self.linediffer)
+                renderer.set_alignment_mode(GtkSource.GutterRendererAlignmentMode.FIRST)
+                renderer.set_padding(3, 0)
+                renderer.set_alignment(0.5, 0.5)
                 gutter = t.get_gutter(window)
                 gutter.insert(renderer, 10)
             if pane in (1, 2):
@@ -213,6 +216,9 @@ class FileDiff(melddoc.MeldDoc, gnomeglade.Component):
                     window = Gtk.TextWindowType.RIGHT
                 views = [self.textview[pane], self.textview[pane - 1]]
                 renderer = GutterRendererChunkAction(pane, pane - 1, views, self, self.linediffer)
+                renderer.set_alignment_mode(GtkSource.GutterRendererAlignmentMode.FIRST)
+                renderer.set_padding(3, 0)
+                renderer.set_alignment(0.5, 0.5)
                 gutter = t.get_gutter(window)
                 gutter.insert(renderer, -40)