added reaction mode: after changes in config file

service/bin/ximper-unified-theme-switcher-service

@@ -28,6 +28,23 @@ cfg_check() {
     fi
 }
 
+check_gsettings_schema() {
+    local SCHEMA="org.gnome.desktop.interface"
+    local KEY="color-scheme"
+    
+    if gsettings list-schemas | grep -q "$SCHEMA"; then
+        if gsettings list-keys "$SCHEMA" | grep -q "$KEY"; then
+            echo "Schema '$SCHEMA' and KEY '$KEY' exist."
+            return 0
+        else
+            echo "Schema '$SCHEMA' exists, but KEY '$KEY' not found."
+            return 1
+        fi
+    else
+        echo "Schema '$SCHEMA' not found."
+        return 1
+    fi
+}
 
 update_kv_theme() {
     echo "Updating Kvantum theme to $1..."
@@ -80,21 +97,32 @@ check_and_update_themes() {
 check_and_update_themes
 
 main() {
-    local COUNT=0
-    dbus-monitor "interface='org.freedesktop.portal.Settings',member=SettingChanged" | \
-    while IFS= read -r LINE; do
-        local THEME 
-        THEME=$(echo "$LINE" | grep -E -o 'string "(prefer-dark|default)"')
-    
-        if [ -n "$THEME" ]; then
-            ((COUNT++))
-            
-            if [ $(($COUNT % 2)) = 0 ]; then
-                echo "$THEME"
-                check_and_update_themes
-                COUNT=0
+    if check_gsettings_schema; then
+        echo "reaction mode: after dbus signal"
+        local COUNT=0
+        dbus-monitor "interface='org.freedesktop.portal.Settings',member=SettingChanged" | \
+        while IFS= read -r LINE; do
+            local THEME
+            THEME=$(echo "$LINE" | grep -E -o 'string "(prefer-dark|default)"')
+        
+            if [ -n "$THEME" ]; then
+                ((COUNT++))
+                
+                if [ $(($COUNT % 2)) = 0 ]; then
+                    echo "$THEME"
+                    check_and_update_themes
+                    COUNT=0
+                fi
             fi
-        fi
-    done
+        done
+    else
+        echo "reaction mode: after changes in config file"
+        local CONFIG_FILE=$(cfg_check)
+        inotifywait -m -e modify "$CONFIG_FILE" | \
+        while read -r directory events filename; do
+            check_and_update_themes
+        done
+    fi
 }
+
 main
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