commit e59b5c3c053c9dab0d9739f91284ce690caacd6a
parent d560e76f7e62946bd6f4ceb0a59f57ee086baa48
Author: Oscar Benedito <oscar@oscarbenedito.com>
Date:   Sun, 12 Jul 2020 22:12:53 +0200

Add zsh key bindings for fzf

Diffstat:

M.config/zsh/.zshrc | 6+++++-


A.config/zsh/key-bindings.zsh | 121+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


2 files changed, 126 insertions(+), 1 deletion(-)

diff --git a/.config/zsh/.zshrc b/.config/zsh/.zshrc
@@ -40,5 +40,9 @@ bindkey -M menuselect 'j' vi-down-line-or-history
 [ -f "$XDG_CONFIG_HOME/zsh/aliases" ] && source "$XDG_CONFIG_HOME/zsh/aliases"
 [ -f "$XDG_CONFIG_HOME/zsh/aliases-auto" ] && source "$XDG_CONFIG_HOME/zsh/aliases-auto"
 
+# Process fzf key bindings
+[ -f "$XDG_CONFIG_HOME/zsh/key-bindings.zsh" ] && source "$XDG_CONFIG_HOME/zsh/key-bindings.zsh"
+
 # Include the highlighting plug-in
-source /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh 2> /dev/null
+[ -f "/usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh" ] && \
+    source "/usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh" 2> /dev/null
diff --git a/.config/zsh/key-bindings.zsh b/.config/zsh/key-bindings.zsh
@@ -0,0 +1,121 @@
+#     ____      ____
+#    / __/___  / __/
+#   / /_/_  / / /_
+#  / __/ / /_/ __/
+# /_/   /___/_/ key-bindings.zsh
+#
+# - $FZF_TMUX_OPTS
+# - $FZF_CTRL_T_COMMAND
+# - $FZF_CTRL_T_OPTS
+# - $FZF_CTRL_R_OPTS
+# - $FZF_ALT_C_COMMAND
+# - $FZF_ALT_C_OPTS
+
+# Key bindings
+# ------------
+
+# The code at the top and the bottom of this file is the same as in completion.zsh.
+# Refer to that file for explanation.
+if 'zmodload' 'zsh/parameter' 2>'/dev/null' && (( ${+options} )); then
+  __fzf_key_bindings_options="options=(${(j: :)${(kv)options[@]}})"
+else
+  () {
+    __fzf_key_bindings_options="setopt"
+    'local' '__fzf_opt'
+    for __fzf_opt in "${(@)${(@f)$(set -o)}%% *}"; do
+      if [[ -o "$__fzf_opt" ]]; then
+        __fzf_key_bindings_options+=" -o $__fzf_opt"
+      else
+        __fzf_key_bindings_options+=" +o $__fzf_opt"
+      fi
+    done
+  }
+fi
+
+'emulate' 'zsh' '-o' 'no_aliases'
+
+{
+
+[[ -o interactive ]] || return 0
+
+# CTRL-T - Paste the selected file path(s) into the command line
+__fsel() {
+  local cmd="${FZF_CTRL_T_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
+    -o -type f -print \
+    -o -type d -print \
+    -o -type l -print 2> /dev/null | cut -b3-"}"
+  setopt localoptions pipefail no_aliases 2> /dev/null
+  eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_CTRL_T_OPTS" $(__fzfcmd) -m "$@" | while read item; do
+    echo -n "${(q)item} "
+  done
+  local ret=$?
+  echo
+  return $ret
+}
+
+__fzfcmd() {
+  [ -n "$TMUX_PANE" ] && { [ "${FZF_TMUX:-0}" != 0 ] || [ -n "$FZF_TMUX_OPTS" ]; } &&
+    echo "fzf-tmux ${FZF_TMUX_OPTS:--d${FZF_TMUX_HEIGHT:-40%}} -- " || echo "fzf"
+}
+
+fzf-file-widget() {
+  LBUFFER="${LBUFFER}$(__fsel)"
+  local ret=$?
+  zle reset-prompt
+  return $ret
+}
+zle     -N   fzf-file-widget
+bindkey '^T' fzf-file-widget
+
+# Ensure precmds are run after cd
+fzf-redraw-prompt() {
+  local precmd
+  for precmd in $precmd_functions; do
+    $precmd
+  done
+  zle reset-prompt
+}
+zle -N fzf-redraw-prompt
+
+# ALT-C - cd into the selected directory
+fzf-cd-widget() {
+  local cmd="${FZF_ALT_C_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
+    -o -type d -print 2> /dev/null | cut -b3-"}"
+  setopt localoptions pipefail no_aliases 2> /dev/null
+  local dir="$(eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_ALT_C_OPTS" $(__fzfcmd) +m)"
+  if [[ -z "$dir" ]]; then
+    zle redisplay
+    return 0
+  fi
+  cd "$dir"
+  unset dir # ensure this doesn't end up appearing in prompt expansion
+  local ret=$?
+  zle fzf-redraw-prompt
+  return $ret
+}
+zle     -N    fzf-cd-widget
+bindkey '\ec' fzf-cd-widget
+
+# CTRL-R - Paste the selected command from history into the command line
+fzf-history-widget() {
+  local selected num
+  setopt localoptions noglobsubst noposixbuiltins pipefail no_aliases 2> /dev/null
+  selected=( $(fc -rl 1 | perl -ne 'print if !$seen{(/^\s*[0-9]+\s+(.*)/, $1)}++' |
+    FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} $FZF_DEFAULT_OPTS -n2..,.. --tiebreak=index --bind=ctrl-r:toggle-sort $FZF_CTRL_R_OPTS --query=${(qqq)LBUFFER} +m" $(__fzfcmd)) )
+  local ret=$?
+  if [ -n "$selected" ]; then
+    num=$selected[1]
+    if [ -n "$num" ]; then
+      zle vi-fetch-history -n $num
+    fi
+  fi
+  zle reset-prompt
+  return $ret
+}
+zle     -N   fzf-history-widget
+bindkey '^R' fzf-history-widget
+
+} always {
+  eval $__fzf_key_bindings_options
+  'unset' '__fzf_key_bindings_options'
+}