Initial project

src/main/java/com/imyeyu/fx/ui/ScreenIdentify.java

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+package com.imyeyu.fx.ui;
+
+import com.imyeyu.fx.utils.ScreenFX;
+import javafx.beans.binding.Bindings;
+import javafx.beans.property.BooleanProperty;
+import javafx.beans.property.ReadOnlyBooleanProperty;
+import javafx.beans.property.SimpleBooleanProperty;
+import javafx.collections.FXCollections;
+import javafx.collections.ListChangeListener;
+import javafx.collections.ObservableList;
+import javafx.geometry.Pos;
+import javafx.geometry.Rectangle2D;
+import javafx.scene.control.Label;
+import javafx.stage.Popup;
+import javafx.stage.Screen;
+import javafx.stage.Stage;
+import javafx.stage.StageStyle;
+
+import java.util.List;
+
+/**
+ * @author 夜雨
+ * @version 2024-04-13 22:40
+ */
+public class ScreenIdentify extends Stage implements TimiFXUI {
+
+	private final BooleanProperty showingIdentify;
+	private final ObservableList<Identify> showingIdentifyList;
+
+	public ScreenIdentify() {
+
+		showingIdentifyList = FXCollections.observableArrayList();
+
+		showingIdentify = new SimpleBooleanProperty(false);
+		showingIdentify.bind(Bindings.isEmpty(showingIdentifyList));
+
+		initStyle(StageStyle.UTILITY);
+		setOpacity(0);
+		setWidth(10);
+		setHeight(10);
+		setX(-20);
+		setY(-20);
+
+		// ---------- 事件 ----------
+
+		showingIdentifyList.addListener((ListChangeListener<Identify>) c -> {
+			while (c.next()) {
+				if (c.wasAdded()) {
+					List<? extends Identify> list = c.getAddedSubList();
+					for (int i = 0; i < list.size(); i++) {
+						Rectangle2D r2d = list.get(i).screen.getBounds();
+						list.get(i).show(this, r2d.getMinX() + 80, r2d.getMinY() + 80);
+					}
+				}
+				if (c.wasRemoved()) {
+					List<? extends Identify> list = c.getRemoved();
+					for (int i = 0; i < list.size(); i++) {
+						list.get(i).hide();
+					}
+				}
+			}
+		});
+	}
+
+	/** 显示标识 */
+	public void showIdentify() {
+		show();
+
+		List<Screen> screens = ScreenFX.SCREENS;
+		for (int i = 0; i < screens.size(); i++) {
+			showingIdentifyList.add(new Identify(screens.get(i), i));
+		}
+	}
+
+	/** 隐藏标识 */
+	public void hideIdentify() {
+		showingIdentifyList.clear();
+		hide();
+	}
+
+	/** @return true 为正在显示标识 */
+	public boolean isShowingIdentify() {
+		return showingIdentify.get();
+	}
+
+	/** @return 正在显示标识监听 */
+	public ReadOnlyBooleanProperty showingIdentify() {
+		return showingIdentify;
+	}
+
+	/**
+	 * 屏幕标识
+	 *
+	 * @author 夜雨
+	 * @since 2022-02-17 15:42
+	 */
+	private static class Identify extends Popup implements TimiFXUI, TimiFXUI.Colorful {
+
+		/** 所属屏幕 */
+		final Screen screen;
+
+		public Identify(Screen screen, int i) {
+			this.screen = screen;
+
+			Label text = new Label(String.valueOf(i));
+			text.setTextFill(WHITE);
+			text.setAlignment(Pos.CENTER);
+			text.prefHeightProperty().bind(text.widthProperty());
+			text.prefWidthProperty().bind(text.heightProperty());
+			MinecraftFont.css(text, 256);
+
+			getContent().setAll(text);
+			getScene().setFill(BLACK);
+			getScene().getStylesheets().addAll(CSS_STYLE, CSS_FONT);
+			sizeToScene();
+		}
+	}
+}