add vi mode to zsh and fzf to vim

dotfiles/zsh/zshrc

@@ -8,12 +8,19 @@ DISABLE_UNTRACKED_FILES_DIRTY="true"
 
 plugins=(
   git
-  common-aliases
   compleat
-  history
+  common-aliases
   ssh-agent
+  vi-mode
 )
 
+# https://github.com/ohmyzsh/ohmyzsh/wiki/Plugins
+# git:            git shortcuts
+# compleat:       complete flags
+# common-aliases: the name says it
+# ssh-agent:      preload ssh-keys
+# vi-mode:        use vim-bindings in zsh
+
 zstyle :omz:plugins:ssh-agent identities
 
 source $ZSH/oh-my-zsh.sh
@@ -34,13 +41,31 @@ alias fonts="/home/$USER/.local/share/fonts"
 alias listfonts="fc-list :scalable=true:spacing=mono: family"
 alias cachefonts="fc-cache -f -v"
 
-alias c="clear"
-alias v="vim"
 alias w="vim ~/vimwiki/index.md"
 
+# change cursor thickness for vi-mode
+function zle-keymap-select {
+      if [[ ${KEYMAP} == vicmd ]] ||
+         [[ $1 = 'block' ]]; then
+        echo -ne '\e[1 q'
+
+      elif [[ ${KEYMAP} == main ]] ||
+           [[ ${KEYMAP} == viins ]] ||
+           [[ ${KEYMAP} = '' ]] ||
+           [[ $1 = 'beam' ]]; then
+        echo -ne '\e[6 q'
+      fi
+    }
+zle -N zle-keymap-select
+
+_fix_cursor() {
+   echo -ne '\e[6 q'
+}
+
+precmd_functions+=(_fix_cursor)
 
 # fzf
-export FZF_DEFAULT_OPTS='--height 40% --preview="head {}" --layout=reverse --bind "enter:execute(vim {})" --bind "tab:down" --bind "btab:up"'
+export FZF_DEFAULT_OPTS='--preview="head {}" --layout=reverse'
 
 # Allow local aliases
 if [ -f ~/.zshrc_local ]; then