https://wiki.riguz.com/index.php?action=history&feed=atom&title=Java%3AStyledText%E6%98%BE%E7%A4%BA%E8%A1%8C%E5%8F%B7 2026-06-03T00:52:40Z 本wiki上该页面的版本历史 MediaWiki 1.42.3 https://wiki.riguz.com/index.php?title=Java:StyledText%E6%98%BE%E7%A4%BA%E8%A1%8C%E5%8F%B7&diff=1187&oldid=prev 2015-04-23T02:51:57Z

<p>以“给Swt的StyledText组件增加行号显示，[http://stackoverflow.com/questions/11057442/java-swt-show-line-numbers-for-styledtext 参考这里] &lt;source lang=&quot;java...”为内容创建页面</p> <p><b>新页面</b></p><div>给Swt的StyledText组件增加行号显示，[http://stackoverflow.com/questions/11057442/java-swt-show-line-numbers-for-styledtext 参考这里]<br /> &lt;source lang=&quot;java&quot;&gt;<br /> text.addLineStyleListener(new LineStyleListener() {<br /> public void lineGetStyle(LineStyleEvent e) {<br /> // Set the line number<br /> e.bulletIndex = text.getLineAtOffset(e.lineOffset);<br /> <br /> // Set the style, 12 pixles wide for each digit<br /> StyleRange style = new StyleRange();<br /> style.metrics = new GlyphMetrics(0, 0, Integer.toString(text.getLineCount() + 1).length() * 12);<br /> <br /> // Create and set the bullet<br /> e.bullet = new Bullet(ST.BULLET_NUMBER, style);<br /> }<br /> });<br /> &lt;/source&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> text.addModifyListener(new ModifyListener() {<br /> public void modifyText(ModifyEvent event) {<br /> int maxLine = text.getLineCount();<br /> int lineCountWidth = Math.max(String.valueOf(maxLine).length(), 3);<br /> <br /> StyleRange style = new StyleRange();<br /> style.background = Display.getDefault().getSystemColor(SWT.COLOR_GRAY);<br /> style.metrics = new GlyphMetrics(0, 0, lineCountWidth * 8 + 5);<br /> Bullet bullet = new Bullet(ST.BULLET_NUMBER, style);<br /> text.setLineBullet(0, text.getLineCount(), null);<br /> text.setLineBullet(0, text.getLineCount(), bullet);<br /> }<br /> });<br /> &lt;/source&gt;<br /> <br /> [[Category:Programe]]</div>

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