diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4245730..459fcfa 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -144,6 +144,7 @@ set(HEADER_FILES
     SeerSourceHighlighter.h
     SeerCppSourceHighlighter.h
     SeerOdinSourceHighlighter.h
+    SeerRustSourceHighlighter.h
     SeerAboutDialog.h
     SeerSlashProcDialog.h
     SeerHighlighterSettings.h
@@ -248,6 +249,7 @@ set(SOURCE_FILES
     SeerSourceHighlighter.cpp
     SeerCppSourceHighlighter.cpp
     SeerOdinSourceHighlighter.cpp
+    SeerRustSourceHighlighter.cpp
     SeerAboutDialog.cpp
     SeerSlashProcDialog.cpp
     SeerHighlighterSettings.cpp
diff --git a/src/SeerCppSourceHighlighter.h b/src/SeerCppSourceHighlighter.h
index 92d2287..0ba1f1b 100644
--- a/src/SeerCppSourceHighlighter.h
+++ b/src/SeerCppSourceHighlighter.h
@@ -7,13 +7,6 @@
 #include "SeerHighlighterSettings.h"
 #include "SeerSourceHighlighter.h"
 
-#include <QtCore/QRegularExpression>
-#include <QtCore/QString>
-#include <QtCore/QVector>
-#include <QtGui/QSyntaxHighlighter>
-#include <QtGui/QTextCharFormat>
-#include <QtGui/QTextDocument>
-
 class SeerCppSourceHighlighter : public SeerSourceHighlighter {
 
   Q_OBJECT
diff --git a/src/SeerOdinSourceHighlighter.cpp b/src/SeerOdinSourceHighlighter.cpp
index 8111976..bed6477 100644
--- a/src/SeerOdinSourceHighlighter.cpp
+++ b/src/SeerOdinSourceHighlighter.cpp
@@ -63,10 +63,6 @@ void SeerOdinSourceHighlighter::setHighlighterSettings (const SeerHighlighterSet
         QStringLiteral("@(\\([^\\)]*\\)|\\w+)"),
     };
 
-    const QString typePatterns[] = {
-      QStringLiteral("")
-    };
-
     _highlightingRules.clear(); // Clear old rules.
 
     HighlightingRule rule;
diff --git a/src/SeerOdinSourceHighlighter.h b/src/SeerOdinSourceHighlighter.h
index eb51315..926d4b0 100644
--- a/src/SeerOdinSourceHighlighter.h
+++ b/src/SeerOdinSourceHighlighter.h
@@ -7,13 +7,6 @@
 #include "SeerHighlighterSettings.h"
 #include "SeerSourceHighlighter.h"
 
-#include <QtCore/QRegularExpression>
-#include <QtCore/QString>
-#include <QtCore/QVector>
-#include <QtGui/QSyntaxHighlighter>
-#include <QtGui/QTextCharFormat>
-#include <QtGui/QTextDocument>
-
 class SeerOdinSourceHighlighter : public SeerSourceHighlighter {
 
   Q_OBJECT
diff --git a/src/SeerRustSourceHighlighter.cpp b/src/SeerRustSourceHighlighter.cpp
new file mode 100644
index 0000000..ee5078d
--- /dev/null
+++ b/src/SeerRustSourceHighlighter.cpp
@@ -0,0 +1,98 @@
+// SPDX-FileCopyrightText: 2021 Ernie Pasveer <epasveer@att.net>
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "SeerRustSourceHighlighter.h"
+
+SeerRustSourceHighlighter::SeerRustSourceHighlighter(QTextDocument *parent)
+    : SeerSourceHighlighter(parent) {
+
+  // Set to default formats.
+  setHighlighterSettings(SeerHighlighterSettings::populate(""));
+}
+
+const SeerHighlighterSettings &
+SeerRustSourceHighlighter::highlighterSettings() {
+
+  return _highlighterSettings;
+}
+
+void SeerRustSourceHighlighter::setHighlighterSettings(
+    const SeerHighlighterSettings &settings) {
+  _highlighterSettings = settings;
+
+  _classFormat = _highlighterSettings.get("Class");
+  _quotationFormat = _highlighterSettings.get("Quotation");
+  _functionFormat = _highlighterSettings.get("Function");
+  _singleLineCommentFormat = _highlighterSettings.get("Comment");
+  _multiLineCommentFormat = _highlighterSettings.get("Multiline Comment");
+  _keywordFormat = _highlighterSettings.get("Keyword");
+
+  const QString keywordPatterns[] = {
+      QStringLiteral("\\bas\\b"),       QStringLiteral("\\bbreak\\b"),
+      QStringLiteral("\\bconst\\b"),    QStringLiteral("\\bcontinue\\b"),
+      QStringLiteral("\\bcrate\\b"),    QStringLiteral("\\belse\\b"),
+      QStringLiteral("\\benum\\b"),     QStringLiteral("\\bextern\\b"),
+      QStringLiteral("\\bfalse\\b"),    QStringLiteral("\\bfn\\b"),
+      QStringLiteral("\\bfor\\b"),      QStringLiteral("\\bif\\b"),
+      QStringLiteral("\\bimpl\\b"),     QStringLiteral("\\bin\\b"),
+      QStringLiteral("\\blet\\b"),      QStringLiteral("\\bloop\\b"),
+      QStringLiteral("\\bmatch\\b"),    QStringLiteral("\\bmod\\b"),
+      QStringLiteral("\\bmove\\b"),     QStringLiteral("\\bmut\\b"),
+      QStringLiteral("\\bpub\\b"),      QStringLiteral("\\bref\\b"),
+      QStringLiteral("\\breturn\\b"),   QStringLiteral("\\bself\\b"),
+      QStringLiteral("\\bSelf\\b"),     QStringLiteral("\\bstatic\\b"),
+      QStringLiteral("\\bstruct\\b"),   QStringLiteral("\\bsuper\\b"),
+      QStringLiteral("\\btrait\\b"),    QStringLiteral("\\btrue\\b"),
+      QStringLiteral("\\btype\\b"),     QStringLiteral("\\bunsafe\\b"),
+      QStringLiteral("\\buse\\b"),      QStringLiteral("\\bwhere\\b"),
+      QStringLiteral("\\bwhile\\b"),    QStringLiteral("\\basync\\b"),
+      QStringLiteral("\\bawait\\b"),    QStringLiteral("\\bdyn\\b"),
+      QStringLiteral("\\babstract\\b"), QStringLiteral("\\bbecome\\b"),
+      QStringLiteral("\\bbox\\b"),      QStringLiteral("\\bdo\\b"),
+      QStringLiteral("\\bfinal\\b"),    QStringLiteral("\\bmacro\\b"),
+      QStringLiteral("\\boverride\\b"), QStringLiteral("\\bpriv\\b"),
+      QStringLiteral("\\btypeof\\b"),   QStringLiteral("\\bunsized\\b"),
+      QStringLiteral("\\bvirtual\\b"),  QStringLiteral("\\byield\\b"),
+      QStringLiteral("\\btry\\b"),      QStringLiteral("\\bgen\\b"),
+
+      QStringLiteral("#!?\\[.*\\]"),
+  };
+
+  _highlightingRules.clear(); // Clear old rules.
+
+  HighlightingRule rule;
+
+  // Set class format and expression.
+  rule.pattern = QRegularExpression(QStringLiteral("\\b[A-Z][A-z0-9_]*\\b"));
+  rule.format = _classFormat;
+  _highlightingRules.append(rule);
+
+  // Set quote format and expression.
+  rule.pattern = QRegularExpression(QStringLiteral("\".*\""));
+  rule.format = _quotationFormat;
+  _highlightingRules.append(rule);
+
+  // Set function format and expression.
+  rule.pattern =
+      QRegularExpression(QStringLiteral("\\b[A-Za-z0-9_!]+(?=\\s*\\()"));
+  rule.format = _functionFormat;
+  _highlightingRules.append(rule);
+
+  // Set keywords format and expression (must have precedence over functions)
+  for (const QString &pattern : keywordPatterns) {
+    rule.pattern = QRegularExpression(pattern);
+    rule.format = _keywordFormat;
+
+    _highlightingRules.append(rule);
+  }
+
+  // Set single line comment format and expression.
+  rule.pattern = QRegularExpression(QStringLiteral("//[^\n]*"));
+  rule.format = _singleLineCommentFormat;
+  _highlightingRules.append(rule);
+
+  // Set multi-line comment expression. Format is defined later.
+  _commentStartExpression = QRegularExpression(QStringLiteral("/\\*"));
+  _commentEndExpression = QRegularExpression(QStringLiteral("\\*/"));
+}
diff --git a/src/SeerRustSourceHighlighter.h b/src/SeerRustSourceHighlighter.h
new file mode 100644
index 0000000..ac84cb8
--- /dev/null
+++ b/src/SeerRustSourceHighlighter.h
@@ -0,0 +1,20 @@
+// SPDX-FileCopyrightText: 2021 Ernie Pasveer <epasveer@att.net>
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "SeerHighlighterSettings.h"
+#include "SeerSourceHighlighter.h"
+
+class SeerRustSourceHighlighter : public SeerSourceHighlighter {
+
+  Q_OBJECT
+
+public:
+  SeerRustSourceHighlighter(QTextDocument *parent = 0);
+
+  virtual const SeerHighlighterSettings &highlighterSettings() override;
+  virtual void
+  setHighlighterSettings(const SeerHighlighterSettings &settings) override;
+};
diff --git a/src/SeerSourceHighlighter.cpp b/src/SeerSourceHighlighter.cpp
index d9c4cfb..732afe9 100644
--- a/src/SeerSourceHighlighter.cpp
+++ b/src/SeerSourceHighlighter.cpp
@@ -5,6 +5,7 @@
 #include "SeerSourceHighlighter.h"
 #include "SeerOdinSourceHighlighter.h"
 #include "SeerCppSourceHighlighter.h"
+#include "SeerRustSourceHighlighter.h"
 
 SeerSourceHighlighter::SeerSourceHighlighter (QTextDocument* parent) : QSyntaxHighlighter(parent) {}
 
@@ -18,6 +19,10 @@ SeerSourceHighlighter* getSourceHighlighter(QString const& file, SeerHighlighter
       return new SeerOdinSourceHighlighter(0);
     }
 
+    if (file.endsWith(".rs")) {
+        return new SeerRustSourceHighlighter(0);
+    }
+
     return nullptr;
 }
 
diff --git a/src/SeerSourceHighlighter.h b/src/SeerSourceHighlighter.h
index 4c00c27..731d7ef 100644
--- a/src/SeerSourceHighlighter.h
+++ b/src/SeerSourceHighlighter.h
@@ -1,9 +1,17 @@
+/*
+
+## Syntax highlighting
+
+To add syntax highlighting to a language. Subclass `SeerSourceHighlighter`
+and then instatiate your highlighter by matching the filename in the `getSourceHighlighter` function.
+
+*/
+
 #pragma once
 
 #include "SeerHighlighterSettings.h"
 #include <QtCore/QRegularExpression>
 #include <QtGui/QSyntaxHighlighter>
-#include <qstringview.h>
 
 
 class SeerSourceHighlighter : public QSyntaxHighlighter {