diff --git a/calculationengine.cpp b/calculationengine.cpp
index 48af452..6629c59 100644
--- a/calculationengine.cpp
+++ b/calculationengine.cpp
@@ -18,11 +18,12 @@
 
 CalculationEngine::CalculationEngine()
 {
-	if (!CALCULATOR) {
-		   new Calculator();
-		   CALCULATOR->terminateThreads();
-			CALCULATOR->setPrecision(16);
-   }
+	if (!CALCULATOR)
+	{
+		new Calculator();
+		CALCULATOR->terminateThreads();
+		CALCULATOR->setPrecision(16);
+	}
 
 	//stolen from krunner's qalculate engine
 	/*eo.auto_post_conversion = POST_CONVERSION_BEST;
@@ -50,8 +51,6 @@ QString CalculationEngine::evaluate(const QString &expression)
 	QByteArray ba = expression.toLatin1();
 	const char *ctext = ba.data();
 	MathStructure result = CALCULATOR->calculate(ctext, this->eo);
-	 result.format(po);
+	result.format(po);
 	return result.print(po).c_str();
-
-
 }
diff --git a/calculationengine.h b/calculationengine.h
index 553b369..e9db604 100644
--- a/calculationengine.h
+++ b/calculationengine.h
@@ -26,12 +26,12 @@
 class CalculationEngine
 {
 private:
-    EvaluationOptions eo;
-    PrintOptions po;
+	EvaluationOptions eo;
+	PrintOptions po;
 
 public:
-    CalculationEngine();
-    QString evaluate(const QString &expression);
+	CalculationEngine();
+	QString evaluate(const QString &expression);
 };
 
 #endif // CALCULATIONENGINE_H
diff --git a/config.cpp b/config.cpp
index 0cd93b5..e888d06 100644
--- a/config.cpp
+++ b/config.cpp
@@ -157,7 +157,7 @@ EntryConfig ConfigReader::readFromFile(const QString &path)
 		}
 		if(key == "row")
 		{
-			result.row = splitted[1].toInt(); 
+			result.row = splitted[1].toInt();
 		}
 		if(key == "col")
 		{
diff --git a/config.h b/config.h
index 331299d..57fd68a 100644
--- a/config.h
+++ b/config.h
@@ -24,14 +24,14 @@
 #include <QKeySequence>
 class EntryConfig
 {
-	public:
-        QString key;
-        QString name;
-        QString command;
-        QStringList arguments;
-        QIcon icon;
-        int row=0;
-        int col=0;
+public:
+	QString key;
+	QString name;
+	QString command;
+	QStringList arguments;
+	QIcon icon;
+	int row=0;
+	int col=0;
 
 
 	
@@ -39,21 +39,21 @@ class EntryConfig
 
 class ConfigReader
 {
-	private:
-        QStringList configPaths;
-		EntryConfig readFromFile(const QString &path);
-		EntryConfig readFromDesktopFile(const QString &path);
-		QStringList desktopIgnoreArgs;
-	public:
-        ConfigReader(QStringList paths);
-        QVector<EntryConfig> readConfig();
+private:
+	QStringList configPaths;
+	EntryConfig readFromFile(const QString &path);
+	EntryConfig readFromDesktopFile(const QString &path);
+	QStringList desktopIgnoreArgs;
+public:
+	ConfigReader(QStringList paths);
+	QVector<EntryConfig> readConfig();
 };
 
 class ConfigFormatException : public std::runtime_error
 {
 public:
-    ConfigFormatException() : std::runtime_error("Error in configuration file, misformated line?") {};
-    ConfigFormatException(const std::string &str) : std::runtime_error(str) {};
+	ConfigFormatException() : std::runtime_error("Error in configuration file, misformated line?") {};
+	ConfigFormatException(const std::string &str) : std::runtime_error(str) {};
 };
 
 #endif
diff --git a/configprovider.h b/configprovider.h
index 699eabd..3c3e549 100644
--- a/configprovider.h
+++ b/configprovider.h
@@ -6,13 +6,13 @@
 class ConfigProvider
 {
 private:
-    QSettings *settings;
-    QString configDirPath;
+	QSettings *settings;
+	QString configDirPath;
 public:
-    ConfigProvider(QString configDirPath, QSettings &settings);
-    QVector<EntryConfig> getUserEntries();
-    QVector<EntryConfig> getSystemEntries();
-    bool singleInstanceMode();
+	ConfigProvider(QString configDirPath, QSettings &settings);
+	QVector<EntryConfig> getUserEntries();
+	QVector<EntryConfig> getSystemEntries();
+	bool singleInstanceMode();
 };
 
 #endif // CONFIGPROVIDER_H
diff --git a/entrypushbutton.h b/entrypushbutton.h
index c697cf9..4892cd1 100644
--- a/entrypushbutton.h
+++ b/entrypushbutton.h
@@ -21,29 +21,29 @@
 #include "config.h"
 class EntryPushButton : public QPushButton
 {
-    Q_OBJECT
+	Q_OBJECT
 private:
-    EntryConfig config;
+	EntryConfig config;
 private slots:
-   void emitOwnClicked();
+	void emitOwnClicked();
 
 signals:
-    void clicked(const EntryConfig &config);
+	void clicked(const EntryConfig &config);
 public:
-    EntryPushButton(const EntryConfig &config);
-    const EntryConfig &getEntryConfig();
-    void setEntryConfig(const EntryConfig &config);
-    void showShortcut();
-    void showName();
-    int getRow() const;
-    int getCol() const;
-    QString getName() const;
-    QString getShortcutKey() const;
-    QStringList getArguments() const;
-    QString getCommand() const;
-    void setRow(int row);
-    void setCol(int col);
-    void setShortcutKey(QString key);
+	EntryPushButton(const EntryConfig &config);
+	const EntryConfig &getEntryConfig();
+	void setEntryConfig(const EntryConfig &config);
+	void showShortcut();
+	void showName();
+	int getRow() const;
+	int getCol() const;
+	QString getName() const;
+	QString getShortcutKey() const;
+	QStringList getArguments() const;
+	QString getCommand() const;
+	void setRow(int row);
+	void setCol(int col);
+	void setShortcutKey(QString key);
 
 
 };
diff --git a/main.cpp b/main.cpp
index b08f458..c0fee98 100644
--- a/main.cpp
+++ b/main.cpp
@@ -72,14 +72,14 @@ int main(int argc, char *argv[])
 		}
 		Window *w = new Window { configProvider };
 		QObject::connect(&server, &SingleInstanceServer::receivedMaximizationRequest, [&w]{
-					if(w != nullptr)
-					{
-						qInfo() << "maximizing as requested by other instance";
-						w->showMaximized();
-						w->activateWindow();
-						w->raise();
-					}
-				});
+			if(w != nullptr)
+			{
+				qInfo() << "maximizing as requested by other instance";
+				w->showMaximized();
+				w->activateWindow();
+				w->raise();
+			}
+		});
 		w->showMaximized();
 
 	}
diff --git a/singleinstanceserver.h b/singleinstanceserver.h
index 382af0e..e6f6fdb 100644
--- a/singleinstanceserver.h
+++ b/singleinstanceserver.h
@@ -6,16 +6,16 @@
 
 class SingleInstanceServer : public QObject
 {
-    Q_OBJECT
+	Q_OBJECT
 private:
-    QLocalServer server;
+	QLocalServer server;
 private slots:
-    void handleNewConnection();
+	void handleNewConnection();
 public:
-    SingleInstanceServer();
-    bool listen(QString socketPath);
- signals:
-     void receivedMaximizationRequest();
+	SingleInstanceServer();
+	bool listen(QString socketPath);
+signals:
+	void receivedMaximizationRequest();
 };
 
 #endif // SINGLEINSTANCESERVER_H
diff --git a/window.cpp b/window.cpp
index 4953f7f..917f4e7 100644
--- a/window.cpp
+++ b/window.cpp
@@ -1,18 +1,18 @@
 /*
- * Copyright (c) 2018 Albert S. <mail at quitesimple dot org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
+	* Copyright (c) 2018 Albert S. <mail at quitesimple dot org>
+	*
+	* Permission to use, copy, modify, and distribute this software for any
+	* purpose with or without fee is hereby granted, provided that the above
+	* copyright notice and this permission notice appear in all copies.
+	*
+	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+	*/
 #include <QProcess>
 #include <QProcessEnvironment>
 #include <QDirIterator>
@@ -94,20 +94,20 @@ QVector<EntryPushButton*> Window::generateEntryButtons(const QVector<EntryConfig
 
 void Window::createGui()
 {
-  QVBoxLayout *vbox = new QVBoxLayout(this);
-  QScrollArea *sa = new QScrollArea;
-  grid = new QGridLayout();
-  lineEdit = new QLineEdit();
-  QWidget *w = new QWidget(this);
-  w->setLayout(grid);
-  sa->setWidget(w);
-  sa->setWidgetResizable(true);
-  vbox->setAlignment(Qt::AlignTop);
-  vbox->addWidget(lineEdit);
-  vbox->addWidget(sa);
+	QVBoxLayout *vbox = new QVBoxLayout(this);
+	QScrollArea *sa = new QScrollArea;
+	grid = new QGridLayout();
+	lineEdit = new QLineEdit();
+	QWidget *w = new QWidget(this);
+	w->setLayout(grid);
+	sa->setWidget(w);
+	sa->setWidgetResizable(true);
+	vbox->setAlignment(Qt::AlignTop);
+	vbox->addWidget(lineEdit);
+	vbox->addWidget(sa);
 
-  connect(lineEdit, &QLineEdit::textChanged, this, [this](QString newtext) { this->lineEditTextChanged(newtext); });
-  connect(lineEdit, &QLineEdit::returnPressed, this, &Window::lineEditReturnPressed);
+	connect(lineEdit, &QLineEdit::textChanged, this, [this](QString newtext) { this->lineEditTextChanged(newtext); });
+	connect(lineEdit, &QLineEdit::returnPressed, this, &Window::lineEditReturnPressed);
 }
 
 void Window::populateGrid(const QVector<EntryPushButton *> &list)
@@ -151,7 +151,6 @@ QStringList Window::generatePATHSuggestions(const QString &text)
 				QString entry = info.baseName();
 				if(entry.startsWith(text))
 				{
-
 					results.append(entry);
 				}
 			}
@@ -242,7 +241,7 @@ void Window::lineEditTextChanged(QString text)
 		addPATHSuggestion(text);
 		if(this->grid->count()  ==  0)
 		{
-			
+
 			QStringList arguments = text.split(" ");
 			EntryConfig e;
 			e.name = "Execute: " + text;
@@ -252,7 +251,7 @@ void Window::lineEditTextChanged(QString text)
 			}
 			e.command = arguments[0];
 			e.icon = QIcon::fromTheme("utilities-terminal");
-			
+
 			EntryPushButton *button = createEntryButton(e);
 			clearGrid();
 			grid->addWidget(button, 0, 0);
@@ -281,7 +280,7 @@ void Window::keyPressEvent(QKeyEvent *event)
 	{
 		qApp->quit();
 	}
-	
+
 	if(event->modifiers() & Qt::ControlModifier && buttonsInGrid.count() > 0)
 	{
 
@@ -300,7 +299,7 @@ void Window::keyPressEvent(QKeyEvent *event)
 
 		QKeySequence seq(event->key());
 		QString key = seq.toString().toLower();
-		
+
 		auto it = std::find_if(buttonsInGrid.begin(), buttonsInGrid.end(), [&key](const EntryPushButton *y) { return y->getShortcutKey() == key; });
 		if(it != buttonsInGrid.end())
 		{
@@ -349,8 +348,8 @@ void Window::filterGridFor(QString filter)
 					}
 				}
 			}
-		 }
-			
+		}
+
 
 
 	}
@@ -358,7 +357,7 @@ void Window::filterGridFor(QString filter)
 	{
 		populateGrid(this->userEntryButtons);
 	}
-	
+
 }
 
 EntryPushButton * Window::createEntryButton(const EntryConfig &entry)
diff --git a/window.h b/window.h
index 310888e..3059216 100644
--- a/window.h
+++ b/window.h
@@ -38,42 +38,42 @@
 class Window : public QWidget
 {
 	Q_OBJECT
-	private:
-        ConfigProvider *configProvider;
-        CalculationEngine calcEngine;
-        QString calculationresult;
-        QVector<EntryPushButton*> userEntryButtons;
-        QVector<EntryPushButton*> systemEntryButtons;
-        QVector<EntryPushButton *> buttonsInGrid;
-        QLabel calculationResultLabel;
-        QString currentCalculationResult;
-        QString queuedFileSearch;
-        QString queuedContentSearch;
-        void initFromConfig();
-		void createGui();
-        void filterGridFor(QString filter);
-        void populateGrid(const QVector<EntryPushButton *> &list);
-		void keyReleaseEvent(QKeyEvent *event);
-        QVector<EntryPushButton *> generateEntryButtons(const QVector<EntryConfig> &userEntryButtons);
-        void keyPressEvent(QKeyEvent *event);
-        void buttonClick(const EntryPushButton &config);
-		QLineEdit *lineEdit;
-		QGridLayout *grid;
-        EntryPushButton *createEntryButton(const EntryConfig &config);
-		void lineEditTextChanged(QString text);
-        void addPATHSuggestion(const QString &text);
-        void clearGrid();
-        void addCalcResult(const QString & expression);
-        void initTreeWidgets();
-        QStringList generatePATHSuggestions(const QString &text);
-    private slots:
-        void lineEditReturnPressed();
-        void showCalculationResultContextMenu(const QPoint &point);
-	public:
-        Window(ConfigProvider &configProvider);
-        void setSystemConfig(const QVector<EntryConfig> &config);
-        bool eventFilter(QObject *obj, QEvent *event);
-        ~Window();
+private:
+	ConfigProvider *configProvider;
+	CalculationEngine calcEngine;
+	QString calculationresult;
+	QVector<EntryPushButton*> userEntryButtons;
+	QVector<EntryPushButton*> systemEntryButtons;
+	QVector<EntryPushButton *> buttonsInGrid;
+	QLabel calculationResultLabel;
+	QString currentCalculationResult;
+	QString queuedFileSearch;
+	QString queuedContentSearch;
+	void initFromConfig();
+	void createGui();
+	void filterGridFor(QString filter);
+	void populateGrid(const QVector<EntryPushButton *> &list);
+	void keyReleaseEvent(QKeyEvent *event);
+	QVector<EntryPushButton *> generateEntryButtons(const QVector<EntryConfig> &userEntryButtons);
+	void keyPressEvent(QKeyEvent *event);
+	void buttonClick(const EntryPushButton &config);
+	QLineEdit *lineEdit;
+	QGridLayout *grid;
+	EntryPushButton *createEntryButton(const EntryConfig &config);
+	void lineEditTextChanged(QString text);
+	void addPATHSuggestion(const QString &text);
+	void clearGrid();
+	void addCalcResult(const QString & expression);
+	void initTreeWidgets();
+	QStringList generatePATHSuggestions(const QString &text);
+private slots:
+	void lineEditReturnPressed();
+	void showCalculationResultContextMenu(const QPoint &point);
+public:
+	Window(ConfigProvider &configProvider);
+	void setSystemConfig(const QVector<EntryConfig> &config);
+	bool eventFilter(QObject *obj, QEvent *event);
+	~Window();
 
 };