Java 使用单间距字体时,HighlightPainter出现Substance UI问题
我正在使用Java 使用单间距字体时,HighlightPainter出现Substance UI问题,java,swing,substance,Java,Swing,Substance,我正在使用Highlighter.HighlightPainter界面高亮显示文本区域的行。我使用了来自此网站的源代码:。它工作得非常好,但是当我使用org.jvnet.substance.skin.SubstanceBusinessBlackSteelLookAndFeel来装饰GUI时,出现了一个问题。每当我将文本区域的字体更改为Monospaced,都不会出于某种原因调用Highlighter.HighlightPainter的paint()方法。下面是一个示例代码: import jav
Highlighter.HighlightPainter
界面高亮显示文本区域的行。我使用了来自此网站的源代码:。它工作得非常好,但是当我使用org.jvnet.substance.skin.SubstanceBusinessBlackSteelLookAndFeel
来装饰GUI时,出现了一个问题。每当我将文本区域的字体更改为Monospaced
,都不会出于某种原因调用Highlighter.HighlightPainter
的paint()
方法。下面是一个示例代码:
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Shape;
import javax.swing.BorderFactory;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.text.BadLocationException;
import javax.swing.text.Highlighter;
import javax.swing.text.JTextComponent;
public class TestFrame extends JFrame implements Highlighter.HighlightPainter
{
private static final long serialVersionUID = 1L;
static
{
try
{
JFrame.setDefaultLookAndFeelDecorated(true);
JDialog.setDefaultLookAndFeelDecorated(true);
UIManager.setLookAndFeel(new org.jvnet.substance.skin.SubstanceBusinessBlackSteelLookAndFeel());
}
catch(Exception e)
{
e.printStackTrace();
}
}
public TestFrame() throws BadLocationException
{
super("The title");
setDefaultCloseOperation(EXIT_ON_CLOSE);
JTextArea txt = new JTextArea(10, 30);
txt.getHighlighter().addHighlight(0, 0, this);
txt.setFont(new Font("Monospaced", Font.PLAIN, 12));
JPanel container = (JPanel) getContentPane();
container.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
container.add(txt);
pack();
setLocationRelativeTo(null);
}
public static void main(String[] args)
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
try
{
new TestFrame().setVisible(true);
}
catch(BadLocationException e)
{
e.printStackTrace();
}
}
});
}
@Override
public void paint(Graphics g, int p0, int p1, Shape bounds, JTextComponent c)
{
System.out.println("paint() is invoked!");
}
}
如果我评论这一行:
txt.setFont(new Font("Monospaced", Font.PLAIN, 12));
将调用
paint()
。有没有办法解决这个问题?好吧,有一个解决方案,在调用UIManager.setLookAndFeel()
1)@Eng.Fouad之前创建文本区域并为其设置字体。这里提到过很多次(@camickr,@StanislavL)对于样式化和高亮度测试,请使用支持它的JTextComponent
2) @Eng.Fouad您是JTextArea的正确输出
源代码
import java.awt.*;
import javax.swing.*;
import javax.swing.text.*;
public class TextPaneHighlighting {
private static final long serialVersionUID = 1L;
private Highlighter.HighlightPainter cyanPainter;
private Highlighter.HighlightPainter redPainter;
public TextPaneHighlighting() {
JFrame frame = new JFrame();
JTextPane textPane = new JTextPane();
textPane.setText("one\ntwo\nthree\nfour\nfive\nsix\nseven\neight\n");
//textPane.setFont(new Font("Monospaced", Font.PLAIN, 12)); // uncommnent
JScrollPane scrollPane = new JScrollPane(textPane);
frame.add(scrollPane, BorderLayout.CENTER);// Highlight some text
cyanPainter = new DefaultHighlighter.DefaultHighlightPainter(Color.cyan);
redPainter = new DefaultHighlighter.DefaultHighlightPainter(Color.red);
try {
textPane.getHighlighter().addHighlight(0, 3, DefaultHighlighter.DefaultPainter);
textPane.getHighlighter().addHighlight(8, 14, cyanPainter);
textPane.getHighlighter().addHighlight(19, 24, redPainter);
} catch (BadLocationException ble) {
}
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setPreferredSize(new Dimension(300, 200));
frame.setLocationRelativeTo(null);
frame.pack();
frame.setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
JFrame.setDefaultLookAndFeelDecorated(true);
JDialog.setDefaultLookAndFeelDecorated(true);
try {
UIManager.setLookAndFeel(new org.pushingpixels.substance.api.skin.SubstanceBusinessBlackSteelLookAndFeel());
} catch (UnsupportedLookAndFeelException ex) {
}
TextPaneHighlighting tph = new TextPaneHighlighting();
}
});
}
}
3) 正如@trashgood正确提到的,在没有invokeLater的情况下,永远不要设置任何实质内容,永远不要设置任何外观和感觉敏感的内容,对吧,也许在这一刻字体并不重要,也许不重要
4) simple JTextArea在字体和外观方面存在一些问题,对于渲染器(抱歉,我在唤醒后懒得阅读API)和实体,可能有自己的高亮概念,对于渲染器概念,您必须使用SubstanceRenderer而不是XxxRenderer,然后按照您的情况使用所有格式化WOKR
import java.awt.*;
import javax.swing.*;
import javax.swing.text.*;
public class Fonts implements Runnable {
private String[] fnt;
private JFrame frm;
private JScrollPane jsp;
private JTextPane jta;
private int width = 450;
private int height = 300;
private GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
private StyledDocument doc;
private MutableAttributeSet mas;
private int cp = 0;
private Highlighter.HighlightPainter cyanPainter = new DefaultHighlighter.DefaultHighlightPainter(Color.cyan);
private Highlighter.HighlightPainter redPainter = new DefaultHighlighter.DefaultHighlightPainter(Color.red);
private Highlighter.HighlightPainter whitePainter = new DefaultHighlighter.DefaultHighlightPainter(Color.white);
private int _count = 0;
private int _lenght = 0;
public Fonts() {
jta = new JTextPane();
doc = jta.getStyledDocument();
jsp = new JScrollPane(jta);
jsp.setPreferredSize(new Dimension(height, width));
frm = new JFrame("awesome");
frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frm.setLayout(new BorderLayout());
frm.add(jsp, BorderLayout.CENTER);
frm.setLocation(100, 100);
frm.pack();
frm.setVisible(true);
jta.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
fnt = ge.getAvailableFontFamilyNames();
mas = jta.getInputAttributes();
new Thread(this).start();
}
@Override
public void run() {
for (int i = 0; i < fnt.length; i++) {
StyleConstants.setBold(mas, false);
StyleConstants.setItalic(mas, false);
StyleConstants.setFontFamily(mas, fnt[i]);
StyleConstants.setFontSize(mas, 16);
dis(fnt[i]);
try {
Thread.sleep(75);
} catch (Exception e) {
e.printStackTrace();
}
StyleConstants.setBold(mas, true);
dis(fnt[i] + " Bold");
try {
Thread.sleep(75);
} catch (Exception e) {
e.printStackTrace();
}
StyleConstants.setItalic(mas, true);
dis(fnt[i] + " Bold & Italic");
try {
Thread.sleep(75);
} catch (Exception e) {
e.printStackTrace();
}
StyleConstants.setBold(mas, false);
dis(fnt[i] + " Italic");
try {
Thread.sleep(75);
} catch (Exception e) {
e.printStackTrace();
}
}
jta.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
public void dis(String s) {
_count++;
_lenght = jta.getText().length();
try {
doc.insertString(cp, s, mas);
doc.insertString(cp, "\n", mas);
} catch (Exception bla_bla_bla_bla) {
bla_bla_bla_bla.printStackTrace();
}
if (_count % 2 == 0) {
try {
jta.getHighlighter().addHighlight(1, _lenght - 1, cyanPainter);
} catch (BadLocationException bla_bla_bla_bla) {
}
} else if (_count % 3 == 0) {
try {
jta.getHighlighter().addHighlight(1, _lenght - 1, redPainter);
} catch (BadLocationException bla_bla_bla_bla) {
}
} else {
try {
jta.getHighlighter().addHighlight(1, _lenght - 1, whitePainter);
} catch (BadLocationException bla_bla_bla_bla) {
}
}
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
JFrame.setDefaultLookAndFeelDecorated(true);
JDialog.setDefaultLookAndFeelDecorated(true);
try {
UIManager.setLookAndFeel(new org.pushingpixels.substance.api.skin.SubstanceBusinessBlackSteelLookAndFeel());
} catch (UnsupportedLookAndFeelException ex) {
}
Fonts fs = new Fonts();
}
});
}
}
import java.awt.*;
导入javax.swing.*;
导入javax.swing.text.*;
公共类字体实现可运行{
私有字符串[]fnt;
私有JFrame-frm;
私有JScrollPane jsp;
私人jta;
私有整数宽度=450;
私人内部高度=300;
私有GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
私人文件;
私有可变属性集mas;
私有int cp=0;
private Highlighter.HighlightPainter cyanPainter=新的DefaultHighlighter.DefaultHighlightPainter(Color.cyan);
private Highlighter.HighlightPainter redPainter=新的DefaultHighlighter.DefaultHighlightPainter(Color.red);
private Highlighter.HighlightPainter-whitePainter=新的DefaultHighlighter.DefaultHighlightPainter(Color.white);
私有整数_计数=0;
私有整数长度=0;
公共字体(){
jta=新的JTextPane();
doc=jta.getStyledDocument();
jsp=新的JScrollPane(jta);
setPreferredSize(新维度(高度、宽度));
frm=新JFrame(“很棒”);
frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frm.setLayout(新的BorderLayout());
添加(jsp,BorderLayout.CENTER);
frm设置位置(100100);
frm.pack();
frm.setVisible(真);
setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_Cursor));
fnt=ge.getAvailableFontFamilyNames();
mas=jta.getInputAttribute();
新线程(this.start();
}
@凌驾
公开募捐{
对于(int i=0;i
仅供参考,下面是对以下各项的快速测试:
另一方面,考虑<代码> TXT。StStand(新字体(fOn.MunPasaCad,Font.PLAIN,12))< /C> > @ TrasHood感谢提示!
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.event.CaretEvent;
import javax.swing.event.CaretListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.Highlighter;
import javax.swing.text.JTextComponent;
/**
* @see http://stackoverflow.com/q/10544046/230513
* @see http://tips4java.wordpress.com/2008/10/29/line-painter/
*/
public class LinePainterTest extends JPanel {
public LinePainterTest() {
JTextPane textPane = new JTextPane();
textPane.setFont(new Font(Font.MONOSPACED, Font.PLAIN, 24));
try {
textPane.getDocument().insertString(0, "One\nTwo\nThree", null);
} catch (BadLocationException ex) {
ex.printStackTrace(System.err);
}
LinePainter painter = new LinePainter(textPane);
this.add(textPane);
}
private void display() {
JFrame f = new JFrame("LinePainterTest");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(this);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
public static void main(String[] args) throws Exception {
UIManager.setLookAndFeel(
"com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
JFrame.setDefaultLookAndFeelDecorated(true);
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
new LinePainterTest().display();
}
});
}
}