title: Clickable hyperlink in QTextEdit
body: <p>I want to use <code>QTextEdit</code> (in read-only mode) to show a clickable hyperlink, I used to do</p>
  
  <pre><code>QTextEdit *textEdit = new QTextEdit;
  QTextCursor cursor(textEdit-&gt;document());
  textEdit-&gt;setTextCursor(cursor);
  cursor-&gt;insertHtml("&lt;a href=\"www.google.com\" &gt;Google&lt;/a&gt;");
  textEdit-&gt;show();
  </code></pre>
  
  <p>this code will show Google as hyperlink but unable to click.<br>
  And if I used</p>
  
  <pre><code>QTextEdit *textEdit = new QTextEdit;
  QTextCursor cursor(textEdit-&gt;document());
  textEdit-&gt;setTextCursor(cursor);
  QTextCharFormat linkFormat = cursor.charFormat();
  linkFormat.setAnchor(true);
  linkFormat.setAnchorHref("http://www.google.com");
  linkFormat.setAnchorName("Google");
  cursor.insertText("Google", linkFormat);
  </code></pre>
  
  <p>then nothing happen. "Google" is just normal text.</p>
  
  <p>Please help me insert clickable hyperlink to <code>QTextEdit</code>.</p>