home/tmux: add missing scripts

home/home.nix

@@ -25,7 +25,7 @@ in {
     ./programs/ssh
     ./programs/tealdeer
     ./programs/thunderbird.nix
-    ./programs/tmux.nix
+    ./programs/tmux
     ./programs/zsh
 
     ./services/nix-channel-update.nix

home/programs/tmux/default.nix

@@ -1,4 +1,4 @@
-{pkgs, ...}:
+{ pkgs, lib, ... }:
 {
   programs.tmux = {
     enable = true;
@@ -19,7 +19,25 @@
       tmux-fzf
       urlview
     ];
-    extraConfig = ''
+    extraConfig = let
+      fileContentsWithoutShebang = script: lib.pipe script [
+        lib.fileContents
+        (lib.splitString "\n")
+        (lib.drop 3) # remove shebang
+        (lib.concatStringsSep "\n")
+      ];
+
+      fcitx5-status = (pkgs.writeShellApplication {
+        name = "tmux-fcitx5-status";
+        runtimeInputs = with pkgs; [ dbus ];
+        text = fileContentsWithoutShebang ./scripts/fcitx5-status.sh;
+      });
+      mpd-status = (pkgs.writeShellApplication {
+        name = "tmux-mpd-status";
+        runtimeInputs = with pkgs; [ mpc-cli gawk gnugrep ];
+        text = fileContentsWithoutShebang ./scripts/mpd-status.sh;
+      });
+    in ''
       # Don't rename windows automatically after rename with ','
       set-option -g allow-rename off
 
@@ -91,8 +109,8 @@
       ### DESIGN CHANGES ###
       ######################
 
-      set-option -g status-left '#{prefix_highlight} #[bg=blue]#[fg=black,bold] ###S #[bg=default]  #[fg=green]#(~/.scripts/tmux/fcitx)  #[fg=red]%H:%M   '
-      set-option -g status-right '#[fg=red]#(~/.scripts/tmux/mpd)'
+      set-option -g status-left '#{prefix_highlight} #[bg=blue]#[fg=black,bold] ###S #[bg=default]  #[fg=green]#(${lib.getExe fcitx5-status})  #[fg=red]%H:%M   '
+      set-option -g status-right '#[fg=red]#(${lib.getExe mpd-status})'
       set-window-option -g window-status-current-style fg=magenta
       set-option -g status-style 'bg=black fg=default'
       set-option -g default-shell '${pkgs.zsh}/bin/zsh'

home/programs/tmux/scripts/fcitx5-status.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p dbus
+
+printState() {
+  STATUS=$(dbus-send --session --print-reply=literal --dest='org.fcitx.Fcitx5' '/controller' 'org.fcitx.Fcitx.Controller1.CurrentInputMethod' | tr -d '[:space:]')
+
+  case $STATUS in
+    keyboard-us)
+      echo 'US'
+    ;;
+    keyboard-no)
+      echo 'NO'
+    ;;
+    mozc)
+      echo '日本語'
+    ;;
+    *)
+      echo "$STATUS?"
+    ;;
+  esac
+}
+
+while :; do
+  printState
+  sleep 1
+done

home/programs/tmux/scripts/mpd-status.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i sh -p mpc-cli gawk gnugrep
+
+while true; do
+  MPC_OUTPUT=$(mpc --format '[[%artist% - ]%title%]|[%file%]')
+
+  TITLE=$(head -n 1 <<<"$MPC_OUTPUT")
+
+  if [ ${#TITLE} -gt 60 ]; then
+    TITLE=$(awk '{print substr($0,0,57) "..."}' <<<"$TITLE")
+  fi
+
+  LINE2=$(head -n 2 <<<"$MPC_OUTPUT" | tail -n 1)
+
+  PLAY_STATUS_RAW=$(awk '{print $1}' <<<"$LINE2")
+
+  if [ "$PLAY_STATUS_RAW" == "[playing]" ]; then
+    PLAY_STATUS="▶"
+  elif [ "$PLAY_STATUS_RAW" == "[paused]" ]; then
+    PLAY_STATUS="⏸"
+  else
+    PLAY_STATUS="??"
+  fi
+
+  TIME=$(awk '{print $3}' <<<"$LINE2")
+
+  echo -e "$PLAY_STATUS $TITLE | [$TIME]"
+  sleep 1
+done