NONACTIVATING_PANEL property
The window is a panel that does not activate the owning app.
Officially Supported Platforms/Implementations:
Implementation
static final NONACTIVATING_PANEL =
WindowStyleMask._internalMultiPlatform(128, () {
switch (defaultTargetPlatform) {
case TargetPlatform.macOS:
return 128;
default:
break;
}
return null;
});