How to make JTextField as wide as the window

Question

I want to make the text automatically as wide as the window. I tried using text.setSize(window.getWidth(),20) and text.setBounds(window.getWidth(),20), (where text is JTextfield), but the only way that seems to work is: static JTextField text = new JTextField(int numberOfColumns); I'm using GridBag layout.

Don't set the size but use an apropriate layout. https://docs.oracle.com/javase/tutorial/uiswing/layout/visual.html — kai, Mar 08 '19 at 12:51

mstfyldz · Accepted Answer · 2019-03-08T13:06:13.460

0

EDIT: I have edited example according to GridBagLayout.

Use layout manager. It will automatically expands component according to window. For example;

Jpanel panel = new JPanel(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
c.gridx = 0;
c.fill = GridBagConstraints.HORIZONTAL;
c.gridwidth = GridBagConstraints.REMAINDER;
panel.add(textfield,c);

edited Mar 08 '19 at 13:06

answered Mar 08 '19 at 12:50

mstfyldz

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I think i forgot to mention, that I'm using GridBag layout. I don't know whether that makes a difference – Marian Mar 08 '19 at 12:52
Yes, it makes a _huge_ difference! In the `GridBagConstraints` for your field, set the `gridx` to 0, the `gridwidth` to `GridBagConstraints.REMAINDER and `fill` to `GridBagConstraints.HORIZONTAL` or `GridBagConstraints.BOTH` – Kevin Anderson Mar 08 '19 at 13:01

How to make JTextField as wide as the window

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