feat(zsh): add some keybinds

zsh/completion

@@ -18,8 +18,6 @@ bindkey ' ' magic-space
 bindkey -M menuselect '^[[Z' reverse-menu-complete
 bindkey -M menuselect '^M' .accept-line             # Immediately execute command line on <Enter>
 bindkey -M menuselect '^F' vi-insert                # Toggle interactive mode
-bindkey '^P' history-beginning-search-backward
-bindkey '^N' history-beginning-search-forward
 
 # See: https://zsh.sourceforge.io/Doc/Release/Completion-System.html#Standard-Styles
 # :completion:<function>:<completer>:<command>:<argument>:<tag>

zsh/rc

@@ -33,6 +33,65 @@ setopt INC_APPEND_HISTORY_TIME
 # Emacs mode
 bindkey -e
 
+############
+# Keybinds #
+############
+
+# History search keybindings
+bindkey '^P' history-beginning-search-backward
+bindkey '^N' history-beginning-search-forward
+
+if ! infocmp "$TERM" >/dev/null; then
+    echo "TERM $TERM not supported on your system!" >&2
+    echo "Some keybindings might not work properly." >&2
+fi
+
+if [[ -n $terminfo ]]; then
+    # create a zkbd compatible hash;
+    # to add other keys to this hash, see: man 5 terminfo
+    typeset -g -A key
+
+    key[Home]=${terminfo[khome]}
+    key[End]=${terminfo[kend]}
+    key[Insert]=${terminfo[kich1]}
+    key[Delete]=${terminfo[kdch1]}
+    key[Up]=${terminfo[kcuu1]}
+    key[Down]=${terminfo[kcud1]}
+    key[Left]=${terminfo[kcub1]}
+    key[Right]=${terminfo[kcuf1]}
+    key[PageUp]=${terminfo[kpp]}
+    key[PageDown]=${terminfo[knp]}
+    key[CtrlLeft]=${terminfo[kLFT5]}
+    key[CtrlRight]=${terminfo[kRIT5]}
+
+    # Function mapping
+    [[ -n "${key[Home]}"        ]]  && bindkey  "${key[Home]}"       beginning-of-line
+    [[ -n "${key[End]}"         ]]  && bindkey  "${key[End]}"        end-of-line
+    [[ -n "${key[Insert]}"      ]]  && bindkey  "${key[Insert]}"     overwrite-mode
+    [[ -n "${key[Delete]}"      ]]  && bindkey  "${key[Delete]}"     delete-char
+    [[ -n "${key[Up]}"          ]]  && bindkey  "${key[Up]}"         history-beginning-search-backward
+    [[ -n "${key[Down]}"        ]]  && bindkey  "${key[Down]}"       history-beginning-search-forward
+    [[ -n "${key[Left]}"        ]]  && bindkey  "${key[Left]}"       backward-char
+    [[ -n "${key[Right]}"       ]]  && bindkey  "${key[Right]}"      forward-char
+    [[ -n "${key[PageUp]}"      ]]  && bindkey  "${key[PageUp]}"     beginning-of-history
+    [[ -n "${key[PageDown]}"    ]]  && bindkey  "${key[PageDown]}"   end-of-history
+    [[ -n "${key[CtrlLeft]}"    ]]  && bindkey  "${key[CtrlLeft]}"   backward-word
+    [[ -n "${key[CtrlRight]}"   ]]  && bindkey  "${key[CtrlRight]}"  forward-word
+
+    bindkey "^R" history-incremental-search-backward
+
+    # Enable terminal application mode during zle editing.
+    # This ensures special keys (arrows, Home, End, etc.) send escape sequences
+    # that match the terminfo database, making our keybindings work correctly.
+    if (( ${+terminfo[smkx]} && ${+terminfo[rmkx]} )); then
+            autoload -Uz add-zle-hook-widget
+            function zle_application_mode_start { echoti smkx; }
+            function zle_application_mode_stop { echoti rmkx; }
+            add-zle-hook-widget -Uz zle-line-init zle_application_mode_start
+            add-zle-hook-widget -Uz zle-line-finish zle_application_mode_stop
+    fi
+fi
+
 ###################
 # Shell Variables #
 ###################