Use modules folder

modules/rofi/default.nix

@@ -0,0 +1,18 @@
+{ pkgs, ... }:
+
+let
+  _theme = import ../theme;
+  theme = _theme.theme; # Theme name
+in {
+  home.packages = with pkgs; [
+    (pkgs.callPackage ./power.nix { })
+    wmctrl # TODO: add as dependency of rofi-power
+  ];
+  programs.rofi = {
+    enable = true;
+    inherit theme;
+  };
+  home.file.".config/rofi/${theme}.rasi".source = pkgs.substituteAll ({
+    src = ./theme.rasi;
+  } // _theme.colors);
+}

modules/rofi/power.nix

@@ -0,0 +1,9 @@
+{ pkgs, substituteAll }:
+
+substituteAll {
+  name = "rofi-power";
+  src = ./power.sh;
+
+  dir = "bin";
+  isExecutable = true;
+}

modules/rofi/power.sh

@@ -0,0 +1,67 @@
+POWER_OFF=" Power Off"
+REBOOT=" Reboot"
+SUSPEND=" Suspend"
+LOG_OUT=" Log out"
+
+chosen=`printf "%s\n%s\n%s\n%s" "$POWER_OFF" "$REBOOT" "$SUSPEND" "$LOG_OUT" | rofi -dmenu -i -p ""`
+
+case "$chosen" in
+	$POWER_OFF) action="power off" ;;
+	$REBOOT) action="reboot" ;;
+	$SUSPEND) action="suspend" ;;
+	$LOG_OUT) action="log out" ;;
+	*) exit 1 ;;
+esac
+
+confirm=`printf "Yes, %s" "$action"`
+sure=`printf "%s\nNo, cancel" "$confirm" | rofi -dmenu -i -p "Are you sure"`
+
+if [[ $sure != $confirm ]]; then
+	exit 1
+fi
+
+if [[ $chosen != $SUSPEND ]]; then
+	# based on https://github.com/ardadem/graceful-shutdown
+
+	TIMEOUT=10
+
+	APPLIST_TO_TERMINATE=(Discord firefox)
+
+	close_windows () {
+		wmctrl -l | awk '{print $1}' | while read -r wId
+		do
+			wmctrl -i -c $wId
+		done
+	}
+
+	window_timeout_countdown () {
+		for i in $(seq 1 $TIMEOUT);
+		do
+			if [[ -z $(wmctrl -l) ]]; then
+				return 0
+			fi
+			sleep 1
+		done
+		exit 1
+	}
+
+	terminate_processes () {
+		pidof ${APPLIST_TO_TERMINATE[@]} | tr ' ' '\n' | while read -r pId
+		do
+			kill -15 $pId
+			tail --pid=$pId -f /dev/null # wait until terminate it
+		done
+	}
+
+	close_windows
+	window_timeout_countdown
+	terminate_processes
+fi
+
+case "$chosen" in
+	$POWER_OFF) poweroff ;;
+	$REBOOT) reboot ;;
+	$SUSPEND) systemctl suspend ;;
+	$LOG_OUT) i3-msg exit ;;
+	*) exit 1 ;;
+esac

modules/rofi/theme.rasi

@@ -0,0 +1,83 @@
+/* Modified from https://github.com/undiabler/nord-rofi-theme */
+configuration {
+  font: "Noto Sans Mono 12";
+	width: 30;
+	line-margin: 10;
+	lines: 6;
+	columns: 2;
+
+  display-ssh:    "";
+  display-run:    "";
+  display-drun:   "";
+  display-window: "";
+  display-combi:  "";
+  show-icons:     true;
+}
+
+* {
+  background-color: transparent;
+  highlight: underline bold @fg1@;
+}
+
+window {
+  location: center;
+  anchor: center;
+  transparency: "screenshot";
+  padding: 0px;
+  border: 0px;
+  border-radius: 0px;
+
+  spacing: 0;
+  children: [mainbox];
+  orientation: horizontal;
+}
+
+mainbox {
+  spacing: 0;
+  children: [ inputbar, message, listview ];
+}
+
+message {
+  color: @bg0@;
+  padding: 5;
+  border-color: @fg0@;
+  border:  0px 2px 2px 2px;
+}
+
+inputbar {
+  color: @fg0@;
+  padding: 11px;
+  background-color: @bg1@;
+}
+
+entry, prompt, case-indicator {
+  text-font: inherit;
+  text-color: inherit;
+}
+
+prompt {
+  margin: 0px 0.3em 0em 0em;
+}
+
+listview {
+  padding: 8px;
+  border: 0;
+  background-color: @bg0@e5;
+  dynamic: false;
+}
+
+element {
+  padding: 3px;
+  border-radius: 4px;
+  text-color: @fg0@;
+}
+
+element selected.normal {
+	background-color: @primary@;
+  text-color: @bg0@;
+}
+
+element-text, element-icon {
+  background-color: inherit;
+  text-color: inherit;
+}