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How can I set a title or a text that appears above a button when I hover it with the mouse?
851
If you are using Scenebuilder, you can add tooltips by locating "Tooltip" under the Miscellaneous dropdown (Left panel) and dragging it to the node you want to install the tooltip. You can then specify various properties (Right panel) of the tooltip like style and text just as you would a normal Node.
Adding a Tooltip to a JavaFX ComponentTooltip tooltip1 = new Tooltip("Creates a new file"); Button button1 = new Button("New"); button1. setTooltip(tooltip1); Notice the call to Button 's setTooltip() method. This is what causes the Tooltip instance to be visible when the mouse is hovered over the button.
You can create a toolbar by instantiating the javafx. scene. control. ToolBar class.
To make a button do something in JavaFX you need to define the executable code usually by using a convenience method like setOnAction() . Then, when the button is clicked, JavaFX does the heavy lifting of fetching that pre-defined code, and executing it on the JavaFX Application thread.
The Tooltip class is what you are looking for.
Example for a simple Tooltip
Button button = new Button("Hover Me");
button.setTooltip(new Tooltip("Tooltip for Button"));
You can also customize your Tooltips: CSS Reference for Tooltip.
Example for a styled Tooltip
Button button = new Button();
button.setText("Hover Me!");
Tooltip tt = new Tooltip();
tt.setText("Text on Hover");
tt.setStyle("-fx-font: normal bold 4 Langdon; "
+ "-fx-base: #AE3522; "
+ "-fx-text-fill: orange;");
button.setTooltip(tt);
76
To add a tooltip in FXML, you could also do this,
<Button>
<tooltip><Tooltip text="my tooltip" /></tooltip>
</Button>
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