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You can then use MouseWheelEvent.WHEEL_UNIT_SCROLL to get the scroll units amount and resize the window accordingly. Now every time the user uses the mouse wheel this method will fire up. Override mouseWheelMoved method to customize the handling of that specific event.Create a class that implements MouseWheelListener.Then call repaint() to repaint the object to the new position. Use MouseEvent.getX, MouseEvent.getY methods to get the new coordinates of the dragged object.Now every time you drag an object, this method will be launched. Override the mouseDragged method to customize the handling of that specific event.Use MouseEvent.getX, MouseEvent.getY methods to get the coordinates of the position the mouse pointer had when the mouse event occurred.Now every time you press a button this method will be launched. Override the mousePressed method to customize the handling of that specific event.Create a class that extends MouseAdapter.In short in order to move and resize objects using mouse events, one has to perform the following steps: For example it’s very cool to let the users resize a window using the mouse wheel. You might find this useful when you want to add rich mouse functionality to the application. You can test it by opening the codepen on a new window and resizing the right frame.With this tutorial we are going to see how to handle moving and re sizing events in a Java Desktop application. For those cases we don't usually want to execute them tens of times while the user is still re-sizing the window to reach the desired size.įor these particular cases we can use a very simple trick: var resizeId $ (window ). Sometimes we need to execute functions which might take a while to execute or which might consume quite a few resources from the machine. JQuery resize event (or Javascript one) is fired when the size of the browser's window (viewport) changes as pointed out in jQuery documentation.