Text: detect anchors

src/chatlog/content/text.cpp

@@ -27,6 +27,7 @@
 #include <QApplication>
 #include <QGraphicsSceneMouseEvent>
 #include <QFontMetrics>
+#include <QRegExp>
 #include <QDesktopServices>
 
 Text::Text(const QString& txt, QFont font, bool enableElide)
@@ -52,6 +53,7 @@ void Text::setText(const QString& txt)
     text = txt;
     text.replace("\n", "<br/>");
 
+    detectAnchors();
     ensureIntegrity();
     freeResources();
 }
@@ -257,3 +259,30 @@ int Text::cursorFromPos(QPointF scenePos) const
 
     return -1;
 }
+
+void Text::detectAnchors()
+{
+    // detect urls
+    QRegExp exp("(?:\\b)(www\\.|http[s]?:\\/\\/|ftp:\\/\\/|tox:\\/\\/|tox:)\\S+");
+    int offset = 0;
+    while ((offset = exp.indexIn(text, offset)) != -1)
+    {
+        QString url = exp.cap();
+
+        // If there's a trailing " it's a HTML attribute, e.g. a smiley img's title=":tox:"
+        if (url == "tox:\"")
+        {
+            offset += url.length();
+            continue;
+        }
+
+        // add scheme if not specified
+        if (exp.cap(1) == "www.")
+            url.prepend("http://");
+
+        QString htmledUrl = QString("<a href=\"%1\">%1</a>").arg(url);
+        text.replace(offset, exp.cap().length(), htmledUrl);
+
+        offset += htmledUrl.length();
+    }
+}

src/chatlog/content/text.h

@@ -1,13 +1,3 @@
-#ifndef TEXT_H
-#define TEXT_H
-
-#include "../chatlinecontent.h"
-
-#include <QTextDocument>
-#include <QTextCursor>
-
-class CustomTextDocument;
-
 /*
     Copyright (C) 2014 by Project Tox <https://tox.im>
 
@@ -24,6 +14,16 @@ class CustomTextDocument;
     See the COPYING file for more details.
 */
 
+#ifndef TEXT_H
+#define TEXT_H
+
+#include "../chatlinecontent.h"
+
+#include <QTextDocument>
+#include <QTextCursor>
+
+class CustomTextDocument;
+
 class Text : public ChatLineContent
 {
 public:
@@ -61,6 +61,8 @@ protected:
 
     int cursorFromPos(QPointF scenePos) const;
 
+    void detectAnchors();
+
 private:
     CustomTextDocument* doc = nullptr;
     QString text;