Merge pull request #21 from kdroidFilter/fix-preview

Handle preview mode in `isSystemInDarkMode` for composable previews.

Author: kdroidFilter

platformtools/darkmodedetector/src/jvmMain/kotlin/io/github/kdroidfilter/platformtools/darkmodedetector/IsSystemInDarkMode.jvm.kt

@@ -1,19 +1,25 @@
 package io.github.kdroidfilter.platformtools.darkmodedetector
 
+import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalInspectionMode
 import io.github.kdroidfilter.platformtools.OperatingSystem
 import io.github.kdroidfilter.platformtools.darkmodedetector.linux.isLinuxInDarkMode
 import io.github.kdroidfilter.platformtools.darkmodedetector.mac.isMacOsInDarkMode
 import io.github.kdroidfilter.platformtools.darkmodedetector.windows.isWindowsInDarkMode
 import io.github.kdroidfilter.platformtools.getOperatingSystem
 
-
 /**
  * Composable function that returns whether the system is in dark mode.
- * It handles macOS, Windows, and Linux. For Windows and Linux, it returns false as a placeholder.
+ * It handles macOS, Windows, and Linux.
  */
 @Composable
 actual fun isSystemInDarkMode(): Boolean {
+    val isInPreview = LocalInspectionMode.current
+    if (isInPreview) {
+        return isSystemInDarkTheme()
+    }
+
     return when (getOperatingSystem()) {
         OperatingSystem.MACOS -> isMacOsInDarkMode()
         OperatingSystem.WINDOWS -> isWindowsInDarkMode()