diff --git a/pglab/codeeditor/CodeEditor.cpp b/pglab/codeeditor/CodeEditor.cpp
index 6f371b7..844ec05 100644
--- a/pglab/codeeditor/CodeEditor.cpp
+++ b/pglab/codeeditor/CodeEditor.cpp
@@ -31,7 +31,8 @@ int CodeEditor::gutterAreaWidth()
 {
 	int digits = 1;
 	int max = qMax(1, blockCount());
-	while (max >= 10) {
+    while (max >= 10)
+    {
 		max /= 10;
 		++digits;
 	}
@@ -136,14 +137,17 @@ void CodeEditor::gutterAreaPaintEvent(QPaintEvent *event)
 	//
 	// We get the top and bottom y-coordinate of the first text block, and adjust these
 	// values by the height of the current text block in each iteration in the loop.
-	while (block.isValid() && top <= event->rect().bottom()) {
-		if (block.isVisible() && bottom >= event->rect().top()) {
+    while (block.isValid() && top <= event->rect().bottom())
+    {
+        if (block.isVisible() && bottom >= event->rect().top())
+        {
 			QString number = QString::number(blockNumber + 1);
 			painter.setPen(Qt::black);
 			painter.drawText(0, top, gutterArea->width(), fontMetrics().height(),
 							 Qt::AlignRight, number);
 
-			if (errorLines.count(blockNumber) > 0) {
+            if (errorLines.count(blockNumber) > 0)
+            {
 				int s = fontMetrics().height() - 8;
 				painter.setBrush(QBrush(Qt::red));
 				painter.drawEllipse(4, top + 4, s, s);
@@ -160,29 +164,32 @@ void CodeEditor::gutterAreaPaintEvent(QPaintEvent *event)
 void CodeEditor::keyPressEvent(QKeyEvent *e)
 {
 	auto k = e->key();
-	if (k == Qt::Key_Tab) {
-		// Function returns false if there was no selection to indent
-		if (indentSelection(true))
-			return;
-	}
-	else if (k == Qt::Key_Backtab) {
-		// Function returns false if there was no selection to indent
-		if (indentSelection(false))
-			return;
-	}
-	else if (k == Qt::Key_Equal || k == Qt::Key_Plus) {
-		if (e->modifiers().testFlag(Qt::ControlModifier)) {
-			auto f = font();
-			f.setPointSize(f.pointSize() + 1);
-			setFont(f);
-		}
-	}
-	else if (k == Qt::Key_Minus) {
-		if (e->modifiers().testFlag(Qt::ControlModifier)) {
-			auto f = font();
-			f.setPointSize(f.pointSize() - 1);
-			setFont(f);
-		}
+    switch (k) {
+        case Qt::Key_Tab:
+            if (indentSelection(true))
+                return;
+            break;
+        case Qt::Key_Backtab:
+            if (indentSelection(false))
+                return;
+            break;
+        case Qt::Key_Equal:
+        case Qt::Key_Plus:
+            if (e->modifiers().testFlag(Qt::ControlModifier))
+            {
+                auto f = font();
+                f.setPointSize(f.pointSize() + 1);
+                setFont(f);
+            }
+            break;
+        case Qt::Key_Minus:
+            if (e->modifiers().testFlag(Qt::ControlModifier))
+            {
+                auto f = font();
+                f.setPointSize(f.pointSize() - 1);
+                setFont(f);
+            }
+            break;
 	}
 	QPlainTextEdit::keyPressEvent(e);
 }
@@ -211,27 +218,32 @@ bool CodeEditor::indentSelection(bool indent)
 	cursor.beginEditBlock();
 	cursor.setPosition(first_pos, QTextCursor::MoveAnchor);
 	const auto block_count = end_block - start_block;
-	for(int block = 0; block <= block_count; ++block) {
+    for(int block = 0; block <= block_count; ++block)
+    {
 		cursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
-		if (indent) {
+        if (indent)
+        {
 			if (m_useTab)
 				cursor.insertText("\t");
 			else
 				cursor.insertText(QString(m_tabSize, ' '));
 		}
-		else {
+        else
+        {
 			// remove tab if there is a tab
 			cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
 			const QString text = cursor.selectedText();
 			int index = 0;
 			int pos = 0;
-			while (pos < m_tabSize && index < text.length()) {
+            while (pos < m_tabSize && index < text.length())
+            {
 				QChar c = text[index++];
 				if (c == ' ')
 					++pos;
 				else if (c == '\t')
 					pos = ((pos + m_tabSize) / m_tabSize) * m_tabSize;
-				else {
+                else
+                {
 					--index;
 					break;
 				}
diff --git a/pglab/codeeditor/EditorGutter.cpp b/pglab/codeeditor/EditorGutter.cpp
index 7b98180..c67804f 100644
--- a/pglab/codeeditor/EditorGutter.cpp
+++ b/pglab/codeeditor/EditorGutter.cpp
@@ -4,9 +4,7 @@
 EditorGutter::EditorGutter(CodeEditor *editor)
 	: QWidget(editor)
 	, codeEditor(editor)
-{
-
-}
+{}
 
 QSize EditorGutter::sizeHint() const
 {
diff --git a/pglab/codeeditor/EditorGutter.h b/pglab/codeeditor/EditorGutter.h
index 2050a37..33f6a67 100644
--- a/pglab/codeeditor/EditorGutter.h
+++ b/pglab/codeeditor/EditorGutter.h
@@ -2,7 +2,6 @@
 #define EDITORGUTTER_H
 
 #include <QWidget>
-//#include <QPlainTextEdit>
 
 class CodeEditor;