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#!/usr/bin/env bash
# ==================================================
# KoolDots (2026)
# Project URL: https://github.com/LinuxBeginnings
# License: GNU GPLv3
# SPDX-License-Identifier: GPL-3.0-or-later
# ==================================================
# Script for Oh my ZSH theme ( CTRL SHIFT O)
# preview of theme can be view here: https://github.com/ohmyzsh/ohmyzsh/wiki/Themes
# after choosing theme, TTY need to be closed and re-open
# Variables
iDIR="${XDG_CONFIG_HOME:-$HOME/.config}/swaync/images"
rofi_theme="${XDG_CONFIG_HOME:-$HOME/.config}/rofi/config-zsh-theme.rasi"
if [ -n "$(grep -i nixos < /etc/os-release)" ]; then
notify-send -i "$iDIR/note.png" "NOT Supported" "Sorry NixOS does not support this KooL feature"
exit 1
fi
file_extension=".zsh-theme"
# Locate the active zshrc (honoring ZDOTDIR when set)
zsh_path="${ZDOTDIR:-$HOME}/.zshrc"
if [ ! -f "$zsh_path" ] && [ -f "$HOME/.zshrc" ]; then
zsh_path="$HOME/.zshrc"
fi
# Locate Oh My Zsh. Search order:
# 1. $ZSH env var (if exported in user environment)
# 2. Parsed `export ZSH="..."` or `ZSH="..."` line directly from .zshrc
# 3. Parsed `source .../oh-my-zsh.sh` line from .zshrc (directory containing the script)
# 4. Standard conventional paths (~/.oh-my-zsh, $ZDOTDIR/.oh-my-zsh, XDG data home, /usr/share, /opt)
omz_root=""
omz_from_zshrc=""
if [ -f "$zsh_path" ]; then
omz_from_zshrc=$(grep -E '^[[:space:]]*(export[[:space:]]+)?ZSH=' "$zsh_path" | head -n1 | sed -E 's/^[[:space:]]*(export[[:space:]]+)?ZSH=["'"'"']?([^"'"'"'[:space:]]+)["'"'"']?.*/\2/' || true)
# Expand $HOME / ~ if present in the parsed path
omz_from_zshrc="${omz_from_zshrc/#\~/$HOME}"
omz_from_zshrc="${omz_from_zshrc//\$HOME/$HOME}"
if [ -z "$omz_from_zshrc" ]; then
# Fall back to checking where oh-my-zsh.sh is sourced from in .zshrc
omz_source_line=$(grep -E '^[[:space:]]*(source|\.)[[:space:]]+.*oh-my-zsh\.sh' "$zsh_path" | head -n1 || true)
if [ -n "$omz_source_line" ]; then
omz_from_zshrc=$(echo "$omz_source_line" | sed -E 's/^[[:space:]]*(source|\.)[[:space:]]+["'"'"']?([^"'"'"'[:space:]]+)\/oh-my-zsh\.sh["'"'"']?.*/\2/' || true)
omz_from_zshrc="${omz_from_zshrc/#\~/$HOME}"
omz_from_zshrc="${omz_from_zshrc//\$HOME/$HOME}"
fi
fi
fi
for candidate in \
"${ZSH:-}" \
"$omz_from_zshrc" \
"$HOME/.oh-my-zsh" \
"${ZDOTDIR:-$HOME}/.oh-my-zsh" \
"${XDG_DATA_HOME:-$HOME/.local/share}/oh-my-zsh" \
"/usr/share/oh-my-zsh" \
"/usr/share/ohmyzsh" \
"/opt/oh-my-zsh" \
"/opt/ohmyzsh"; do
if [ -n "$candidate" ] && [ -d "$candidate" ]; then
omz_root="$candidate"
break
fi
done
# Collect theme files from both built-in themes/ and custom themes/ ($ZSH_CUSTOM/themes)
themes_array=()
if [ -n "$omz_root" ]; then
# 1. Core themes directory
if [ -d "$omz_root/themes" ]; then
while IFS= read -r theme_file; do
[ -n "$theme_file" ] && themes_array+=("$theme_file")
done < <(find -L "$omz_root/themes" -maxdepth 1 -type f -name "*$file_extension" -exec basename {} \; 2>/dev/null | sed -e "s/$file_extension//" | sort -u)
fi
# 2. Custom themes directory ($ZSH_CUSTOM/themes or $omz_root/custom/themes)
custom_themes_dir="${ZSH_CUSTOM:-$omz_root/custom}/themes"
if [ -d "$custom_themes_dir" ]; then
while IFS= read -r theme_file; do
[ -n "$theme_file" ] && themes_array+=("$theme_file")
done < <(find -L "$custom_themes_dir" -maxdepth 1 -type f -name "*$file_extension" -exec basename {} \; 2>/dev/null | sed -e "s/$file_extension//" | sort -u)
fi
fi
# Sort and deduplicate all found themes
if [ "${#themes_array[@]}" -gt 0 ]; then
mapfile -t themes_array < <(printf "%s\n" "${themes_array[@]}" | sort -u)
fi
# If no themes were found, show diagnostic info in the notification
if [ "${#themes_array[@]}" -eq 0 ]; then
if [ -z "$omz_root" ]; then
notify-send -i "$iDIR/error.png" "Oh My Zsh not found" "Checked ~/.oh-my-zsh, .zshrc ZSH=, and system paths. Install Oh My Zsh or set ZSH in .zshrc."
else
notify-send -i "$iDIR/error.png" "No themes found" "Found Oh My Zsh at $omz_root, but themes/ directory is empty or missing."
fi
fi
# Add "Random" option to the beginning of the array
themes_array=("Random" "${themes_array[@]}")
rofi_command="rofi -i -dmenu -config $rofi_theme"
menu() {
for theme in "${themes_array[@]}"; do
echo "$theme"
done
}
main() {
"${XDG_CONFIG_HOME:-$HOME/.config}/hypr/scripts/RofiFocusedWallpaperLink.sh" >/dev/null 2>&1 || true
choice=$(menu | ${rofi_command})
# if nothing selected, script won't change anything
if [ -z "$choice" ]; then
exit 0
fi
zsh_path="$HOME/.zshrc"
var_name="ZSH_THEME"
if [[ "$choice" == "Random" ]]; then
if [ "${#themes_array[@]}" -le 1 ]; then
notify-send -i "$iDIR/error.png" "No themes available" "Oh My Zsh was not found; nothing to randomize."
exit 1
fi
# Pick a random theme from the original themes_array (excluding "Random")
random_theme=${themes_array[$((RANDOM % (${#themes_array[@]} - 1) + 1))]}
theme_to_set="$random_theme"
notify-send -i "$iDIR/ja.png" "Random theme:" "selected: $random_theme"
else
# Set theme to the selected choice
theme_to_set="$choice"
notify-send -i "$iDIR/ja.png" "Theme selected:" "$choice"
fi
if [ -f "$zsh_path" ]; then
sed -i "s/^$var_name=.*/$var_name=\"$theme_to_set\"/" "$zsh_path"
notify-send -i "$iDIR/ja.png" "OMZ theme" "applied. restart your terminal"
else
notify-send -i "$iDIR/error.png" "E-R-R-O-R" "~.zshrc file not found!"
fi
}
# Check if rofi is already running
if pidof rofi > /dev/null; then
pkill rofi
fi
main
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