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我有这种情况(JSlider在不需要时显示值)。我不想在JSlider上显示当前的价值。JSlider隐藏值GTK +和Nimbus LookAndFeel在Linux上
- 为什么只在Linux上使用LookAndFeel Nimbus和GTK +显示JSlider的值?
- 如何隐藏此值?
下一个图像显示在Windows 10美分OS 7和MacOS运行代码塞拉利昂
这里我的代码:
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.EventQueue;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class JSliderLAF {
public static void changeLAF(Container container, String laf) {
try {
UIManager.setLookAndFeel(laf);
} catch (ClassNotFoundException | InstantiationException |
IllegalAccessException | UnsupportedLookAndFeelException e) {
}
SwingUtilities.updateComponentTreeUI(container);
}
public static void main(String args[]) {
EventQueue.invokeLater(() -> {
JPanel jpVert = new JPanel();
jpVert.setLayout(new BoxLayout(jpVert, BoxLayout.PAGE_AXIS));
for (UIManager.LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
JSlider jsl = new JSlider();
jsl.setMajorTickSpacing(20);
jsl.setMinorTickSpacing(5);
jsl.setPaintLabels(true);
jsl.setPaintTicks(true);
jsl.setSnapToTicks(true);
JPanel jpHorz = new JPanel();
jpHorz.setLayout(new BoxLayout(jpHorz, BoxLayout.LINE_AXIS));
JLabel jlName = new JLabel(info.getName() + " : ");
JLabel jlClass = new JLabel(info.getClassName());
jpHorz.add(jsl);
jpHorz.add(Box.createRigidArea(new Dimension(5,0)));
jpHorz.add(jlName);
jpHorz.add(Box.createRigidArea(new Dimension(2,0)));
jpHorz.add(jlClass);
jpHorz.add(Box.createRigidArea(new Dimension(2,0)));
jpHorz.add(Box.createHorizontalGlue());
changeLAF(jsl,info.getClassName());
jpVert.add(jpHorz);
}
final JFrame frame = new JFrame();
frame.add(jpVert, BorderLayout.NORTH);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.pack();
frame.setVisible(true);
});
}
}
答案t o第一个问题是因为GTK +默认这样做。我不知道第二个问题的答案,唉。我知道用一个实际的GTK +滑动条[this](https://developer.gnome.org/gtk3/stable/GtkScale.html#gtk-scale-set-draw-value)是方法(它也通过'draw-value'GObject属性)将会做到这一点。 – andlabs
谢谢,但Nimbus?灵气也是呈现这个价值。 –
如果仔细观察,Nimbus滑块看起来与GTK +滑块完全相同。我假设Nimbus只是在自定义样式上使用GTK +。 – andlabs