Java 如何删除jSlider的边框
我定制了一个jSlider,但遇到了一些小问题- 更改值后,在我的自定义jSlider上显示一个边框。对不起,我已经拍了照片,但我不允许张贴。非定制jSlider在单击后不会显示这样的边框 有没有一种方法我必须重写才能去掉这个边界?提前谢谢你 对不起我的英语!希望有人能帮助我! 这是我的自定义用户界面:Java 如何删除jSlider的边框,java,swing,border,jslider,Java,Swing,Border,Jslider,我定制了一个jSlider,但遇到了一些小问题- 更改值后,在我的自定义jSlider上显示一个边框。对不起,我已经拍了照片,但我不允许张贴。非定制jSlider在单击后不会显示这样的边框 有没有一种方法我必须重写才能去掉这个边界?提前谢谢你 对不起我的英语!希望有人能帮助我! 这是我的自定义用户界面: public class RedGreenSliderUI extends BasicSliderUI{ Image knobImage ; private BasicS
public class RedGreenSliderUI extends BasicSliderUI{
Image knobImage ;
private BasicStroke stroke = new BasicStroke(1f, BasicStroke.CAP_ROUND,
BasicStroke.JOIN_ROUND, 0f, new float[]{1f, 2f}, 0f);
private static final float[] fractions = {0.0f, 0.5f};
private static final Color[] fillColors = {
/* new Color(0x2687AE),*/
/* new Color(0x1658AE)*/
new Color(0xc8041b),
new Color(0xc8041b)
};
private static final Color[] backColors = {
new Color(0x04c814),
new Color(0x04c814)
};
private static final Paint hFillGradient = new LinearGradientPaint(0, 0, 0, 11,
fractions, fillColors, MultipleGradientPaint.CycleMethod.NO_CYCLE);
private static final Paint hBackGradient = new LinearGradientPaint(0, 0, 0, 11,
fractions, backColors, MultipleGradientPaint.CycleMethod.NO_CYCLE);
private static final Paint vFillGradient = new LinearGradientPaint(0, 0, 11, 0,
fractions, fillColors, MultipleGradientPaint.CycleMethod.NO_CYCLE);
private static final Paint vBackGradient = new LinearGradientPaint(0, 0, 11, 0,
fractions, backColors, MultipleGradientPaint.CycleMethod.NO_CYCLE);
private static final Stroke roundEndStroke = new BasicStroke(5,
BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND);
public RedGreenSliderUI( JSlider aSlider ) {
super( aSlider );
try {
this.knobImage = ImageIO.read(getClass().getResource("ringelblumensalbe- Updater-Grafiken/tongThumb01.png")); //.getClassLoader()
} catch ( IOException e ) {
e.printStackTrace();
}
}
public void paintThumb(Graphics g) {
g.drawImage( this.knobImage, thumbRect.x, thumbRect.y, 15, 30, null );
}
@Override
protected Dimension getThumbSize() {
return new Dimension(15, 30);
}
@Override
protected Color getHighlightColor() {
return new Color(98, 94, 0);
}
public void paintTrack(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
if (slider.getOrientation() == JSlider.HORIZONTAL) {
int cy = (trackRect.height / 2) - 2;
g.translate(trackRect.x, trackRect.y + cy);
g2.setStroke(roundEndStroke);
g2.setPaint(hBackGradient);
g2.drawLine(thumbRect.x, 2, trackRect.width, 2);
g2.setPaint(hFillGradient);
g2.drawLine(0, 2, thumbRect.x, 2);
g.translate(-trackRect.x, -(trackRect.y + cy));
} else {
int cx = (trackRect.width / 2) - 2;
g.translate(trackRect.x + cx, trackRect.y);
g2.setStroke(roundEndStroke);
g2.setPaint(vBackGradient);
g2.drawLine(2, 0, 2, thumbRect.y);
g2.setPaint(vFillGradient);
g2.drawLine(2, thumbRect.y, 2, trackRect.height);
g.translate(-(trackRect.x + cx), -trackRect.y);
}
}
编辑:我知道了。答案是重写getFocusColor()
您可以尝试使用边框:0px;显示边框的特定类的属性。焦点矩形由滑块的UI委托呈现,通常基于
BasicSliderUI
。虽然我不能主张击败焦点指示器,但您可以尝试以下方法之一:
- 使用
设置UIManager
颜色以匹配“Slider.focus”
“Slider.background”
- 重写
方法以不执行任何操作;我们可以看到一个相关的例子paintFocus()
UIManager.put("Slider.focus", UIManager.get("Slider.background"));
边框仅在单击jSlider时显示,由小点组成的线条。。。看起来像是在浏览器中单击链接后出现的边框。有趣的是,这些小点是使用
BasicGraphicsUtils.drawDashedRect()
绘制的。作者@Mikle GarinI知道你写这个答案已经有一段时间了,但是覆盖paintFocus()对我来说是个好办法。
UIManager.put("Slider.focus", UIManager.get("Slider.background"));