Pywal major update, system-wide light/dark theme support.

pywal.sh

@@ -1,10 +1,68 @@
 #!/bin/bash
-# Script to apply pywal colors to Hyprland, Caelestia shell, and Kitty terminal
+# Extended pywal script with system-wide theme support
+# Usage: ./pywal.sh [wallpaper_path] [light|dark]
+# Examples:
+#   ./pywal.sh ~/Pictures/wallpaper.jpg       # Apply dark theme
+#   ./pywal.sh ~/Pictures/wallpaper.jpg light # Apply light theme
+#   ./pywal.sh                                # Just refresh themes (use existing wallpaper)
 
-# Generate pywal colors (this assumes you've already run 'wal -i /path/to/wallpaper')
-# The templates will be automatically processed
+WALLPAPER="$1"
+LIGHT_MODE="$2"
 
-echo "Applying pywal colors to Hyprland, Caelestia, and Kitty..."
+echo "Applying pywal colors system-wide..."
+
+# Generate pywal colors
+if [ -n "$WALLPAPER" ]; then
+    # New wallpaper provided
+    if [ "$LIGHT_MODE" = "-l" ] || [ "$LIGHT_MODE" = "light" ]; then
+        wal -i "$WALLPAPER" -l
+        DARK_MODE=0
+        GTK_THEME="prefer-light"
+        echo "✓ Generated light theme from wallpaper"
+    else
+        wal -i "$WALLPAPER"
+        DARK_MODE=1
+        GTK_THEME="prefer-dark"
+        echo "✓ Generated dark theme from wallpaper"
+    fi
+elif [ "$LIGHT_MODE" = "light" ] || [ "$LIGHT_MODE" = "-l" ]; then
+    # No wallpaper, just switch to light mode
+    wal -l
+    DARK_MODE=0
+    GTK_THEME="prefer-light"
+    echo "✓ Switched to light theme"
+elif [ "$LIGHT_MODE" = "dark" ]; then
+    # No wallpaper, just switch to dark mode
+    wal
+    DARK_MODE=1
+    GTK_THEME="prefer-dark"
+    echo "✓ Switched to dark theme"
+else
+    # No arguments, just refresh with existing colors
+    if [ -f ~/.cache/wal/wal ]; then
+        wal -R
+        # Detect if current theme is light or dark
+        BG_COLOR=$(grep -oP 'background.*#\K[0-9A-Fa-f]{6}' ~/.cache/wal/colors.json | head -1)
+        if [ -n "$BG_COLOR" ]; then
+            # Convert hex to decimal and check brightness
+            R=$((16#${BG_COLOR:0:2}))
+            G=$((16#${BG_COLOR:2:2}))
+            B=$((16#${BG_COLOR:4:2}))
+            BRIGHTNESS=$(( (R + G + B) / 3 ))
+            if [ $BRIGHTNESS -gt 128 ]; then
+                DARK_MODE=0
+                GTK_THEME="prefer-light"
+            else
+                DARK_MODE=1
+                GTK_THEME="prefer-dark"
+            fi
+        fi
+        echo "✓ Refreshed existing theme"
+    else
+        echo "✗ No wallpaper specified and no existing theme found"
+        exit 1
+    fi
+fi
 
 # Update Caelestia's wallpaper reference to match the one pywal used
 if [ -f ~/.cache/wal/wal ]; then
@@ -22,6 +80,29 @@ if [ -f ~/.cache/wal/caelestia-scheme.json ]; then
     echo "✓ Caelestia colors updated"
 fi
 
+# Generate GTK themes from PyWal colors
+if command -v wal-gtk &> /dev/null; then
+    wal-gtk
+    echo "✓ GTK themes generated"
+else
+    echo "ℹ wal-gtk not found - install 'wal-gtk-theme-git' for GTK theme support"
+fi
+
+# Set GNOME/GTK dark mode preference (affects browsers and GTK apps)
+if command -v gsettings &> /dev/null; then
+    gsettings set org.gnome.desktop.interface color-scheme "$GTK_THEME" 2>/dev/null && \
+        echo "✓ System dark mode preference set to: $GTK_THEME" || \
+        echo "ℹ Could not set GTK color scheme preference"
+fi
+
+# Update Firefox theme via pywalfox
+if command -v pywalfox &> /dev/null; then
+    pywalfox update &>/dev/null &
+    echo "✓ Firefox theme update triggered"
+else
+    echo "ℹ pywalfox not found - install 'python-pywalfox' for Firefox support"
+fi
+
 # Reload Hyprland configuration
 if command -v hyprctl &> /dev/null; then
     hyprctl reload
@@ -44,4 +125,6 @@ if command -v kitty &> /dev/null; then
     fi
 fi
 
-echo "Done! Colors applied successfully."
+echo ""
+echo "Done! Theme applied system-wide."
+echo "Current mode: $([ "$DARK_MODE" = "1" ] && echo "Dark" || echo "Light")"