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[英]how to mouse event entered and exited pane change color label java fxml controller
[英]JavaFX - How to check if mouse is has entered and or exited a Pane?
我在 Javafx 中有一個窗格,它希望在鼠標進入其邊界時動畫,並且我希望在鼠標退出窗格后動畫停止。 我理解這需要一個聽眾,但我找到的所有答案似乎只與 java.awt 有關
您可以使用Node.setOnMouseEntered()
和Node.setOnMouseExited()
來注冊開始或停止動畫的事件處理程序。 這是一個簡單的例子:
public class MainTest extends Application {
public void start(Stage primaryStage) {
Pane pane = new Pane();
pane.setStyle("-fx-background-color: #ff0000");
pane.setLayoutX(100);
pane.setLayoutY(100);
pane.setPrefSize(300,300);
pane.setOnMouseEntered(event -> startAnimation());
pane.setOnMouseExited(event -> stopAnimation());
Scene scene = new Scene(new Pane(pane), 500, 500);
primaryStage.setScene(scene);
primaryStage.show();
}
private void stopAnimation() {
System.out.println("stop");
// do whatever you need to start your animation
}
private void startAnimation() {
System.out.println("start");
// do whatever you need to stop your animation
}
}
或者您可以使用 *.fxml 文件鏈和您的控制器類來制作它:
onMouseEntered="#onMouseInto" onMouseExited="#onMouseOut"
使其像<AnchorPane fx:id="rootPane" onMouseEntered="#onMouseInto" onMouseExited="#onMouseOut" prefHeight="400.0" prefWidth="400.0" xmlns="http://javafx.com/javafx/8.0.171" xmlns:fx="http://javafx.com/fxml/1" fx:controller="yourPackage.YourControllerClass">
@FXML
public AnchorPane rootPane;
public void onMouseInto(MouseEvent mouseEvent) {
//Your own event when cursor is gonna into the rootPane
rootPane.setStyle("-fx-background-color: #1F292E");
}
public void onMouseOut(MouseEvent mouseEvent) {
//Your own event when cursor is gonna out the rootPane
rootPane.setStyle("-fx-background-color: #C792EA");
}
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