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The vertical orientation of the JTabbedPane headers when the tab location is set to LEFT

As you can see from the image below, the Java text is horizontal. What I would like to do is get the vertical orientation of the JTabbedPane headers.

While googling, I found that the only way is to add an additional library. But I was wondering if this can be done without an additional library?

I would like Title1 and Title2 to be vertically oriented, not horizontally

enter image description here

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3 answers

you need to use the Html syntax, for any changes to the disabled tab too

tabbedPane.addTab("<html>T<br>i<br>t<br>t<br>l<br>e<br>1</html>", panel1);

EDIT

SSCCE for asking about formatting and aligning HTML text

 import java.awt.Color; import java.awt.Component; import java.awt.Dimension; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.JTextField; /** * * @author korbel */ public class TestTabbedPane extends JFrame { private static final long serialVersionUID = 1L; private JTabbedPane tabbedPane; public TestTabbedPane() { tabbedPane = new JTabbedPane(); tabbedPane.setPreferredSize(new Dimension(300, 200)); getContentPane().add(tabbedPane); JPanel panel = new JPanel(); tabbedPane.add(panel, "null"); JTextField one = new JTextField("one"); tabbedPane.add(one, "one"); JTextField two = new JTextField("two"); tabbedPane.add(two, "<html> T<br>i<br>t<br>t<br>l<br>e <br> 1 </html>"); tabbedPane.setEnabledAt(2, false); /*int comp = tabbedPane.getComponentCount(); for (Component sc : tabbedPane.getComponents()) { if (sc instanceof javax.swing.JLabel) { JLabel lbl = (JLabel) sc; lbl.setForeground(Color.red); } if (sc instanceof javax.swing.JPanel) { JPanel pnl = (JPanel) sc; pnl.setName(pnl.getName()); } if (sc instanceof javax.swing.JTextField) { JTextField txt = (JTextField) sc; txt.setForeground(Color.blue); txt.setDisabledTextColor(Color.red); } } UIManager.put("TabbedPane.contentBorderInsets", new Insets(0, 0, 0, 0)); UIManager.put("TabbedPane.highlight", new Color(255, 0, 0)); UIManager.put("TabbedPane.lightHighlight", new Color(0, 255, 0)); UIManager.put("TabbedPane.darkShadow", new Color(0, 255, 0)); UIManager.put("TabbedPane.shadow",new Color(0, 0, 255)); UIManager.put("TabbedPane.light" , new Color(0, 255, 0)); UIManager.put("TabbedPane.foreground", new Color(0, 0, 0)); UIManager.put("JTabbedPane.font", new Font("Dialog", Font.ITALIC, 12)); UIManager.put("TabbedPane.selected", new Color(255, 0, 0)); UIManager.put("disable", new Color(255, 0, 0)); UIManager.put("TabbedPane.selectHighlight" , new Color(0, 0, 0)); UIManager.put("TabbedPane.background", new Color(0, 0, 0)); SwingUtilities.updateComponentTreeUI(tabbedPane);*/ tabbedPane.setTitleAt(2, "<html><font color=" + (tabbedPane.isEnabledAt(2) ? "black" : "red") + ">" + tabbedPane.getTitleAt(2) + "</font></html>"); tabbedPane.setTabPlacement(JTabbedPane.LEFT); } public static void main(String args[]) { TestTabbedPane frame = new TestTabbedPane(); frame.setDefaultCloseOperation(EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); } }
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You can use JLabel with a custom LabelUI as described in this answer , it gives the expected result:

Vertical text on JTabbedPane

 JTabbedPane tabPane = new JTabbedPane(JTabbedPane.LEFT); // Add tabs with no text tabPane.addTab(null, component1); tabPane.addTab(null, component2); // Create vertical labels to render tab titles JLabel labTab1 = new JLabel("Tab #1"); labTab1.setUI(new VerticalLabelUI(false)); // true/false to make it upwards/downwards tabPane.setTabComponentAt(0, labTab1); // For component1 JLabel labTab2 = new JLabel("Tab #2"); labTab2.setUI(new VerticalLabelUI(false)); tabPane.setTabComponentAt(1, labTab2); // For component2
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If you are using WebLaf LoolAndFeel Library There is a component named WebVerticalLabel that may have vertical text.

 JTabbedPane .setTabComponentAt(1, new WebVerticalLabel("Title1"));
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Source: https://habr.com/ru/post/1392454/

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