Merge pull request #15 from oschrenk/support-vi-mode

Support vi mode

fish_prompt.fish

@@ -19,6 +19,10 @@
 #     set -g theme_display_virtualenv no
 #     set -g theme_display_ruby no
 #     set -g theme_display_user yes
+#     set -g theme_display_vi no
+#     set -g theme_display_vi_hide_mode default
+#     set -g theme_title_display_process yes
+#     set -g theme_title_display_path no
 #     set -g theme_date_format "+%a %H:%M"
 #     set -g theme_avoid_ambiguous_glyphs yes
 #     set -g default_user your_normal_user
@@ -365,6 +369,22 @@ function __bobthefish_prompt_dir -d 'Display a shortened form of the current dir
   __bobthefish_path_segment "$PWD"
 end
 
+function __bobthefish_prompt_vi -d 'Display vi mode'
+  [ "$theme_display_vi" = 'yes' -a "$fish_bind_mode" != "$theme_display_vi_hide_mode" ]; or return
+  switch $fish_bind_mode
+    case default
+      __bobthefish_start_segment $__bobthefish_med_grey $__bobthefish_dk_grey --bold
+      echo -n -s 'N '
+    case insert
+      __bobthefish_start_segment $__bobthefish_lt_green $__bobthefish_dk_grey --bold
+      echo -n -s 'I '
+    case visual
+      __bobthefish_start_segment $__bobthefish_lt_orange $__bobthefish_dk_grey --bold
+      echo -n -s 'V '
+  end
+  set_color normal
+end
+
 function __bobthefish_virtualenv_python_version -d 'Get current python version'
   set -l python_version (readlink (which python))
   switch "$python_version"
@@ -457,6 +477,7 @@ end
 
 function fish_prompt -d 'bobthefish, a fish theme optimized for awesome'
   __bobthefish_prompt_status
+  __bobthefish_prompt_vi
   __bobthefish_prompt_user
   __bobthefish_prompt_rubies
   __bobthefish_prompt_virtualfish