Improved error and dependency checking

  Cancel behavior under set -e: rofi returns non‑zero on Escape/cancel.
  Added dependency checksf wallust/rofi/notify-send aren’t installed
  Combine the two sed calls into one.
  Error handling always send a “changed” notification even if wallust theme fails.
  Check the exit status and notify on failure.

 On branch development
 Your branch is up to date with 'origin/development'.

 Changes to be committed:
	modified:   config/hypr/scripts/ThemeChanger.sh
	new file:   config/hypr/scripts/ThemeChanger.sh.ori

1 files changed, 27 insertions, 0 deletions

diff --git a/config/hypr/scripts/ThemeChanger.sh.ori b/config/hypr/scripts/ThemeChanger.sh.ori
new file mode 100755
index 00000000..15534258
--- /dev/null
+++ b/config/hypr/scripts/ThemeChanger.sh.ori
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# SPDX-FileCopyrightText: 2025-present Ahum Maitra theahummaitra@gmail.com
+#
+# SPDX-License-Identifier: 	GPL-3.0-or-later
+
+# Repository url : https://github.com/TheAhumMaitra/cautious-waddle
+
+# User choice
+choice=$(wallust theme list \
+  | sed '1d' \
+  | sed 's/^- //' \
+  | rofi -dmenu -p "Select Global Theme")
+
+# If user requested to exit, then exit
+[[ -z "$choice" ]] && exit 0
+
+# Apply the theme
+wallust theme "$choice"
+
+# Inform user about theme changed
+notify-send "Global theme changed" "Global Theme selected $choice"
+
+# Give warning to user for Waybar theme refresh
+notify-send "Press SUPER+ALT+R to Refresh Waybar Theme"