[gnome-builder/wip/vim] vim: make ctrl+[ a synonym for Esc.

[Christian Hergert <chergert src gnome org>]

commit 4ca2b418eed40d2853a5770fc1995c8a23495672
Author: Christian Hergert <christian hergert me>
Date:   Wed Oct 1 16:30:50 2014 -0700

    vim: make ctrl+[ a synonym for Esc.

 src/editor/gb-editor-vim.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/src/editor/gb-editor-vim.c b/src/editor/gb-editor-vim.c
index 1c42ca8..35577d8 100644
--- a/src/editor/gb-editor-vim.c
+++ b/src/editor/gb-editor-vim.c
@@ -1408,6 +1408,10 @@ gb_editor_vim_handle_normal (GbEditorVim *vim,
 
   switch (event->keyval)
     {
+    case GDK_KEY_bracketleft:
+      if ((event->state & GDK_CONTROL_MASK) == 0)
+        break;
+      /* Fall through */
     case GDK_KEY_Escape:
       /*
        * Escape any selections we currently have.
@@ -1717,6 +1721,10 @@ gb_editor_vim_handle_insert (GbEditorVim *vim,
 {
   switch (event->keyval)
     {
+    case GDK_KEY_bracketleft:
+      if ((event->state & GDK_CONTROL_MASK) == 0)
+        break;
+      /* Fall through */
     case GDK_KEY_Escape:
       /*
        * First move back onto the last character we entered, and then
@@ -1756,6 +1764,10 @@ gb_editor_vim_handle_command (GbEditorVim *vim,
 
   switch (event->keyval)
     {
+    case GDK_KEY_bracketleft:
+      if ((event->state & GDK_CONTROL_MASK) == 0)
+        break;
+      /* Fall through */
     case GDK_KEY_Escape:
       /*
        * Escape back into NORMAL mode.