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POAlign a JLabel with the text of a JCheckBox
 

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    <p>Is there a look-and-feel-independent way to align a component (e.g. a <code>JLabel</code>) horizontally with the <em>text</em> of a <code>JCheckBox</code>?</p> <p>I am trying to use values from the <code>UIDefaults</code> to predict the location of the text relative to the top-left corner of the <code>JCheckBox</code>. I have found a combination that gives the right result for the Metal, Windows, Motif and Aqua Look-and-Feels:<br> <img src="https://i.stack.imgur.com/x4Y0N.png" alt="Example: Metal (correctly-aligned)"></p> <p>But not in Nimbus:<br> <img src="https://i.stack.imgur.com/LxO0D.png" alt="Example: Nimbus (incorrectly-aligned)"></p> <p>Is there a utility method somewhere that will reliably give X,Y offsets for the text in all Look-and-Feels?</p> <hr> <p>Code (note: to avoid any layout side-effects I used a null layout for this test):</p> <pre><code>import java.awt.Insets; import javax.swing.JApplet; import javax.swing.JCheckBox; import javax.swing.JLabel; import javax.swing.UIManager; import javax.swing.border.Border; public class AlignCheckBoxText extends JApplet { public AlignCheckBoxText() { setLayout(null); checkBox = new JCheckBox("Hello, World!"); label = new JLabel("Hello, World!"); add(checkBox); add(label); } @Override protected void validateTree() { checkBox.setLocation(0, 0); checkBox.setSize(checkBox.getPreferredSize()); int labelX = UIManager.getIcon("CheckBox.icon").getIconWidth(); Insets cbInsets = UIManager.getInsets("CheckBox.margin"); if (cbInsets != null) labelX += cbInsets.left + cbInsets.right; Border cbBorder = UIManager.getBorder("CheckBox.border"); if (cbBorder != null) { Insets borderInsets = cbBorder.getBorderInsets(checkBox); if (borderInsets != null) { labelX += borderInsets.left; } } label.setLocation(labelX, checkBox.getHeight()); label.setSize(label.getPreferredSize()); super.validateTree(); } private JCheckBox checkBox; private JLabel label; } </code></pre>
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    1. COIn this case, it would be simplier to create a checkbox with no text, and a separate JLabel that contains the original checkbox's text.
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    2. CO@barjak, that will mess with focus display. Normally there is a border around the checkbox (icon and text) to show when it is focused. Also clicking on the text will no longer toggle the checkbox selection.
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