Java 使用nimbus定制JComboBox
我正在尝试使用nimbus L&F定制我的JComboBox的外观 下面是一些代码: namedPaint.javaJava 使用nimbus定制JComboBox,java,swing,jcombobox,nimbus,Java,Swing,Jcombobox,Nimbus,我正在尝试使用nimbus L&F定制我的JComboBox的外观 下面是一些代码: namedPaint.java package gui.combo; import java.awt.Color; import java.awt.Font; import java.awt.Graphics2D; import javax.swing.JComponent; import javax.swing.Painter; public class NamedPainter implements
package gui.combo;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import javax.swing.JComponent;
import javax.swing.Painter;
public class NamedPainter implements Painter<JComponent>
{
String name;
public NamedPainter(String name)
{
this.name = name;
}
@Override
public void paint(Graphics2D g, JComponent object, int width, int height)
{
g.setColor(Color.LIGHT_GRAY);
g.fillRect(0, 0, width, height);
g.setFont(new Font("Arial", Font.PLAIN, 12));
g.setColor(Color.YELLOW);
g.drawString(name, 0, 10);
}
}
package gui.combo;
import java.awt.Color;
import java.awt.Graphics2D;
import javax.swing.JComponent;
import javax.swing.Painter;
public class ColorRectanglePainter implements Painter<JComponent>
{
private final Color color;
public ColorRectanglePainter(final Color color)
{
this.color = color;
}
@Override
public void paint(Graphics2D g, JComponent object, int width, int height)
{
g.setColor(color);
g.fillRect(0, 0, width, height);
}
}
当然,它看起来是什么样子:
然而,这并不是我所期望的!我想用自定义的红色画师
替换了所有的组合框:arrowButtonPainter,我不会看到黑色(或白色)的小三角形箭头,而只是一个红色矩形。
此外,我没有管理器更改前景文本的颜色。如何在组合框和选择弹出菜单中执行此操作
[编辑]
进一步的调查:我尝试使用UIManager.getLookAndFeelDefaults().put
而不是boxDefaults.put
,然后我得到了箭头按钮的预期结果,该按钮显示为红色方块(显然,对于经典组合和pimped组合)。所以,我猜我做错的是覆盖pimped组合的属性,也就是说,我从中得到的两行
有人能帮忙吗
[编辑2]
如果我使用
UIManager.put
而不是UIManager.getLookAndFeelDefaults().put
,我也会注意到不一致的行为,其中箭头按钮将显示为红色,例如仅在鼠标上方,或被剪掉,等等。Javadoc说UIManger。put
只影响“开发人员默认值”,而不是L&F默认值。有什么区别?任何帮助,链接到关于一切工作原理的良好文档都会很有帮助。Nimbus.Overrides(例如内部组件的覆盖)(例如JComboBox内部的JTextField)不起作用。我已经向UIManager.getLookAndFeelDefaults()添加了必要的画师,并通过的实例实现了父控件分离的自定义逻辑。您可以尝试所示的方法。尝试过,但不起作用。不幸的是,对于basic和nimbus L&F来说。。。
package gui.combo;
import java.awt.Color;
import java.awt.Container;
import java.awt.GridLayout;
import java.util.Map.Entry;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
public class CustomizeComboNimbus
{
/**
* @param args
*/
public static void main(String[] args)
{
// Set nimbus L&F
try
{
for(LookAndFeelInfo info : UIManager.getInstalledLookAndFeels())
{
if("Nimbus".equals(info.getName()))
{
UIManager.setLookAndFeel(info.getClassName());
break;
}
}
}
catch(Exception e)
{
// No nimbus...
e.printStackTrace();
return;
}
ColorRectanglePainter redPainter = new ColorRectanglePainter(Color.RED);
// Get default UI and modify it
final UIDefaults boxDefaults = new UIDefaults();
for(Entry<Object, Object> entry : UIManager.getLookAndFeelDefaults().entrySet())
{
try
{
String key = (String)entry.getKey();
if(key.startsWith("ComboBox"))
{
if(key.contains("Painter"))
{
if(key.contains("arrowButton"))
{
// Set a painter which paint a red rectangle for arrowButton
boxDefaults.put(key, redPainter);
System.err.println("Replacing the painter for " + key + " with redPainter");
}
else
{
// Set a painter that display the name of the nimbusKey when it is triggered
NamedPainter painter = new NamedPainter(key);
boxDefaults.put(key, painter);
System.err.println("Replacing the painter for " + key + " with NamedPainter");
}
}
}
}
catch(Exception e)
{
}
}
final String[] toDisplay = { "Hello", "World", "Pimp", "My", "Combo" };
SwingUtilities.invokeLater(new Runnable()
{
@Override
public void run()
{
JFrame frame = new JFrame("Pimp my combo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JComboBox<String> classicCombo = new JComboBox<>(toDisplay);
JComboBox<String> pimpedCombo = new JComboBox<>(toDisplay);
// set the modif to pimpedCombo
pimpedCombo.putClientProperty("Nimbus.Overrides", boxDefaults);
pimpedCombo.putClientProperty("Nimbus.Overrides.InheritDefaults", false);
Container pane = frame.getContentPane();
pane.setLayout(new GridLayout(2, 1));
pane.add(classicCombo);
pane.add(pimpedCombo);
frame.pack();
frame.setVisible(true);
}
});
}
}
Replacing the painter for ComboBox:"ComboBox.arrowButton" Editable+Selected].backgroundPainter with redPainter
Replacing the painter for ComboBox:"ComboBox.textField"[Enabled].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[Pressed].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[Editable+Focused].backgroundPainter with NamedPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[Disabled].foregroundPainter with redPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[Editable+MouseOver].backgroundPainter with redPainter
Replacing the painter for ComboBox[Enabled+Selected].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[MouseOver].backgroundPainter with NamedPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[Selected].foregroundPainter with redPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[Disabled+Editable].backgroundPainter with redPainter
Replacing the painter for ComboBox[Editable+Pressed].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[Focused+Pressed].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[Disabled+Pressed].backgroundPainter with NamedPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[Editable+Enabled].backgroundPainter with redPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[Enabled].foregroundPainter with redPainter
Replacing the painter for ComboBox[Disabled+Editable].backgroundPainter with NamedPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[MouseOver].foregroundPainter with redPainter
Replacing the painter for ComboBox[Disabled].backgroundPainter with NamedPainter
Replacing the painter for ComboBox:"ComboBox.textField"[Disabled].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[Enabled].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[Editable+MouseOver].backgroundPainter with NamedPainter
Replacing the painter for ComboBox:"ComboBox.textField"[Selected].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[Focused].backgroundPainter with NamedPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[Editable+Pressed].backgroundPainter with redPainter
Replacing the painter for ComboBox:"ComboBox.arrowButton"[Pressed].foregroundPainter with redPainter
Replacing the painter for ComboBox[Editable+Enabled].backgroundPainter with NamedPainter
Replacing the painter for ComboBox[Focused+MouseOver].backgroundPainter with NamedPainter
pimpedCombo.putClientProperty("Nimbus.Overrides", boxDefaults);
pimpedCombo.putClientProperty("Nimbus.Overrides.InheritDefaults", false);