user3164187 :
Przemek Krysztofiak :
Code is very raw but gets the core feature you asked for (of course it can be achived in more than one way, depening on needs, I've just published the solution which was the fastest to implement for me)
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.layout.Region;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javafx.stage.StageStyle;
public class StickyNotesApp extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage stage) throws Exception {
StackPane notedPane = new StackPane();
notedPane.setPrefSize(20, 20);
notedPane.setMaxSize(Region.USE_PREF_SIZE, Region.USE_PREF_SIZE);
notedPane.setStyle("-fx-background-color: purple;");
StackPane rootPane = new StackPane(notedPane);
rootPane.setPrefSize(400, 400);
StackPane.setAlignment(notedPane, Pos.BOTTOM_CENTER);
stage.setScene(new Scene(rootPane));
stage.show();
Stage stickyNotesStage = new Stage();
stickyNotesStage.initOwner(stage);
stickyNotesStage.initStyle(StageStyle.UNDECORATED);
StackPane stickyNotesPane = new StackPane();
stickyNotesPane.setPrefSize(200, 200);
stickyNotesPane.setStyle("-fx-background-color: yellow;");
stickyNotesStage.setScene(new Scene(stickyNotesPane));
notedPane.hoverProperty().addListener((ChangeListener<Boolean>) (observable, oldValue, newValue) -> {
if (newValue) {
stickyNotesStage.show();
} else {
stickyNotesStage.hide();
}
});
}
}