Add Theme Menu Switcher (#154)

* Add theme menu for quick theme switching

* Bind theme menu

* Fix current theme being selected

* Replace omarchy-theme-next binding with theme menu

* Add omarchy-theme-set and refactor theme menu script

* Add solid black fallback if background image does not exist in current theme

bin/omarchy-theme-menu

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# Theme menu for Omarchy
+# Provides an interactive dmenu to switch between available themes
+
+THEMES_DIR="$HOME/.config/omarchy/themes/"
+CURRENT_THEME_DIR="$HOME/.config/omarchy/current/theme"
+
+# Show theme selection menu and apply changes
+show_theme_menu() {
+  # Get current theme name
+  if [[ -e "$CURRENT_THEME_DIR" ]]; then
+    CURRENT_THEME_NAME=$(basename "$(realpath "$CURRENT_THEME_DIR")")
+  else
+      CURRENT_THEME_NAME="unknown"
+  fi
+  
+  # Build menu options from available themes
+  local themes=($(find "$THEMES_DIR" -mindepth 1 -maxdepth 1 -type d -printf "%f\n" | sort))
+  
+  # Remove the current theme from the list before building the menu
+  local filtered_themes=()
+  for theme in "${themes[@]}"; do
+    if [[ "$theme" != "$CURRENT_THEME_NAME" ]]; then
+      filtered_themes+=("$theme")
+    fi
+  done
+
+  # Add current theme to the top of menu
+  local wofi_input=$'\uf0a9 '"${CURRENT_THEME_NAME}"
+  for theme in "${filtered_themes[@]}"; do
+    wofi_input+="\n${theme}"
+  done
+  
+  # Display theme selection menu
+  local selection=$(echo -e "$wofi_input" | wofi \
+    --show dmenu \
+    --width 300 \
+    --height 225 \
+    --style ~/.local/share/omarchy/default/wofi/select.css)
+  
+  # Extract theme name from selection (remove glyph and leading spaces)
+  local selected_theme=$(echo "$selection" | sed 's/^\s*\uf0a9 \?//')
+
+  # Exit if the selected theme is the current theme or empty
+  if [[ -z "$selected_theme" || "$selected_theme" == "$CURRENT_THEME_NAME" ]]; then
+    exit 0
+  fi
+
+  # Apply the new theme with omarchy-theme-set
+  "$HOME/.local/share/omarchy/bin/omarchy-theme-set" "$selected_theme"
+}
+
+# Main execution
+show_theme_menu

bin/omarchy-theme-set

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# omarchy-theme-set: Set a theme, specified by its name.
+# Usage: omarchy-theme-set <theme-name>
+
+THEMES_DIR="$HOME/.config/omarchy/themes/"
+CURRENT_THEME_DIR="$HOME/.config/omarchy/current/theme"
+
+if [[ -z "$1" ]]; then
+  echo "Usage: omarchy-theme-set <theme-name>" >&2
+  exit 1
+fi
+
+THEME_NAME="$1"
+THEME_PATH="$THEMES_DIR/$THEME_NAME"
+BACKGROUND_PATH="$HOME/.config/omarchy/backgrounds/$THEME_NAME"
+
+# Check if the theme entered exists
+if [[ ! -d "$THEME_PATH" ]]; then
+  echo "Theme '$THEME_NAME' does not exist in $THEMES_DIR" >&2
+  exit 2
+fi
+
+# Update theme symlinks
+ln -nsf "$BACKGROUND_PATH" "$HOME/.config/omarchy/current/backgrounds"
+ln -nsf "$THEME_PATH" "$CURRENT_THEME_DIR"
+
+# Trigger alacritty config reload
+touch "$HOME/.config/alacritty/alacritty.toml"
+
+# Restart components to apply new theme
+pkill -SIGUSR2 waybar
+makoctl reload
+hyprctl reload
+
+# Set new background
+first_bg=$(find "$HOME/.config/omarchy/current/backgrounds/" -type f | head -n 1)
+if [[ -n "$first_bg" ]]; then
+  ln -nsf "$first_bg" "$HOME/.config/omarchy/current/background"
+  pkill -x swaybg
+  setsid swaybg -i "$HOME/.config/omarchy/current/background" -m fill &
+else
+  # Background does not exist for this theme - fallback to solid black.
+  rm -f "$HOME/.config/omarchy/current/background"
+  pkill -x swaybg
+  setsid swaybg -c '#000000' &
+fi

default/hypr/bindings/utilities.conf

@@ -5,7 +5,7 @@ bind = SUPER, K, exec, ~/.local/share/omarchy/bin/omarchy-show-keybindings
 # Aesthetics
 bind = SUPER SHIFT, SPACE, exec, pkill -SIGUSR1 waybar
 bind = SUPER CTRL, SPACE, exec, ~/.local/share/omarchy/bin/swaybg-next
-bind = SUPER SHIFT CTRL, SPACE, exec, ~/.local/share/omarchy/bin/omarchy-theme-next
+bind = SUPER SHIFT CTRL, SPACE, exec, ~/.local/share/omarchy/bin/omarchy-theme-menu
 
 # Notifications
 bind = SUPER, comma, exec, makoctl dismiss