1 files changed, 124 insertions, 0 deletions
diff --git a/.zsh.functions/01_editor.zsh b/.zsh.functions/01_editor.zsh
new file mode 100644
index 0000000..1484a92
--- /dev/null
+++ b/.zsh.functions/01_editor.zsh
@@ -0,0 +1,124 @@
+# Exposes information about the Zsh Line Editor via the $editor_info associative
+# array.
+function editor-info {
+  # Clean up previous $editor_info.
+  unset editor_info
+  typeset -gA editor_info
+
+  if [[ "$KEYMAP" == 'vicmd' ]]; then
+    zstyle -s ':editor:info:keymap:alternate' format 'REPLY'
+    editor_info[keymap]="$REPLY"
+  else
+    zstyle -s ':editor:info:keymap:primary' format 'REPLY'
+    editor_info[keymap]="$REPLY"
+
+    if [[ "$ZLE_STATE" == *overwrite* ]]; then
+      zstyle -s ':editor:info:keymap:primary:overwrite' format 'REPLY'
+      editor_info[overwrite]="$REPLY"
+    else
+      zstyle -s ':editor:info:keymap:primary:insert' format 'REPLY'
+      editor_info[overwrite]="$REPLY"
+    fi
+  fi
+
+  unset REPLY
+
+  zle reset-prompt
+  zle -R
+}
+zle -N editor-info
+
+# Updates editor information when the keymap changes.
+function zle-keymap-select {
+  zle editor-info
+}
+zle -N zle-keymap-select
+
+# Enables terminal application mode and updates editor information.
+function zle-line-init {
+  # The terminal must be in application mode when ZLE is active for $terminfo
+  # values to be valid.
+  if (( $+terminfo[smkx] )); then
+    # Enable terminal application mode.
+    echoti smkx
+  fi
+
+  # Update editor information.
+  zle editor-info
+}
+zle -N zle-line-init
+
+# Disables terminal application mode and updates editor information.
+function zle-line-finish {
+  # The terminal must be in application mode when ZLE is active for $terminfo
+  # values to be valid.
+  if (( $+terminfo[rmkx] )); then
+    # Disable terminal application mode.
+    echoti rmkx
+  fi
+
+  # Update editor information.
+  zle editor-info
+}
+zle -N zle-line-finish
+
+# Toggles emacs overwrite mode and updates editor information.
+function overwrite-mode {
+  zle .overwrite-mode
+  zle editor-info
+}
+zle -N overwrite-mode
+
+# Enters vi insert mode and updates editor information.
+function vi-insert {
+  zle .vi-insert
+  zle editor-info
+}
+zle -N vi-insert
+
+# Moves to the first non-blank character then enters vi insert mode and updates
+# editor information.
+function vi-insert-bol {
+  zle .vi-insert-bol
+  zle editor-info
+}
+zle -N vi-insert-bol
+
+# Enters vi replace mode and updates editor information.
+function vi-replace  {
+  zle .vi-replace
+  zle editor-info
+}
+zle -N vi-replace
+
+# Expands .... to ../..
+function expand-dot-to-parent-directory-path {
+  if [[ $LBUFFER = *.. ]]; then
+    LBUFFER+='/..'
+  else
+    LBUFFER+='.'
+  fi
+}
+zle -N expand-dot-to-parent-directory-path
+
+# Displays an indicator when completing.
+function expand-or-complete-with-indicator {
+  local indicator
+  zstyle -s ':editor:info:completing' format 'indicator'
+  print -Pn "$indicator"
+  zle expand-or-complete
+  zle redisplay
+}
+zle -N expand-or-complete-with-indicator
+
+# Inserts 'sudo ' at the beginning of the line.
+function prepend-sudo {
+  if [[ "$BUFFER" != su(do|)\ * ]]; then
+    BUFFER="sudo $BUFFER"
+    (( CURSOR += 5 ))
+  fi
+}
+zle -N prepend-sudo
+
+# Reset to default key bindings.
+bindkey -d