Clean up and modernize code

- static "new-style" signal->slot connections
- Fix a lot of things Clang-Tidy complained about
- Move includes to .cpp files and use forward decls in .h
- Don't use <QtWidgets> and <QtCore>, but specific includes instead

2 files changed, 25 insertions, 22 deletions

diff --git a/src/client/informationdialog/informationdialog.cpp b/src/client/informationdialog/informationdialog.cpp
index fb3e87c..ff96641 100644
--- a/src/client/informationdialog/informationdialog.cpp
+++ b/src/client/informationdialog/informationdialog.cpp
@@ -1,19 +1,23 @@
 #include "informationdialog.h"
+
 #include <QNetworkInterface>
 #include <QHostInfo>
 #include <QDir>
 #include <QDirIterator>
+#include <QLayout>
+#include <QFormLayout>
+#include <QLabel>
 
 InformationDialog::InformationDialog()  : QDialog()
 {
 
 	/* widgets */
-	_lblTitle = new QLabel(tr("<h1>system information</h1>"));
-	_tableWidget = new QWidget();
+	_lblTitle = new QLabel(tr("<h1>system information</h1>"), this);
+	_tableWidget = new QWidget(this);
 
 	/* layouts */
-	_layout = new QVBoxLayout();
-	_tableLayout = new QFormLayout();
+	_layout = new QVBoxLayout(this);
+	_tableLayout = new QFormLayout(this);
 
 	/* */
 	_tableWidget->setLayout(_tableLayout);
@@ -30,11 +34,12 @@ void InformationDialog::initTable()
 {
 	/* NETWORK*/
 	/* hostnames */
-	_tableLayout->addRow(new QLabel("<b>" + tr("hostname") + "</b>"), new QLabel(QHostInfo::localHostName()));
+	_tableLayout->addRow(new QLabel("<b>" + tr("hostname") + "</b>", this),
+						 new QLabel(QHostInfo::localHostName(), this));
 	/* ips */
 	QStringList interfaceFilter;
 	QString bridgeDevicePath("/sys/devices/virtual/net/");
-	QDirIterator it(bridgeDevicePath, QStringList() << "brif", QDir::Dirs, QDirIterator::Subdirectories);
+	QDirIterator it(bridgeDevicePath, QStringList("brif"), QDir::Dirs, QDirIterator::Subdirectories);
 	while (it.hasNext()) {
 		it.next();
 		QDir dir = it.filePath();
@@ -42,16 +47,16 @@ void InformationDialog::initTable()
 		interfaceFilter += dir.entryList();
 	}
 
-	for (QNetworkInterface interface : QNetworkInterface::allInterfaces()) {
+	for (const auto& interface : QNetworkInterface::allInterfaces()) {
 
 		if (interfaceFilter.contains(interface.name()) || interface.flags().testFlag(QNetworkInterface::IsLoopBack)) {
 			qDebug() << "interface filtered: " << interface.name();
 			continue;
 		}
 
-		_tableLayout->addRow("<u><b>" + interface.name() + "</b></u>", new QLabel(""));
+		_tableLayout->addRow("<u><b>" + interface.name() + "</b></u>", new QLabel(this));
 
-		for (QNetworkAddressEntry entry : interface.addressEntries()) {
+		for (const auto &entry : interface.addressEntries()) {
 			QLabel* label;
 			QLabel* value;
 			QHostAddress hostAddr = entry.ip();
@@ -61,18 +66,17 @@ void InformationDialog::initTable()
 				continue;
 
 			if (hostAddr.protocol() == QAbstractSocket::IPv6Protocol)  {
-				label = new QLabel("IPv6");
-				value = new QLabel(hostAddr.toString().split("%").first());
+				label = new QLabel("IPv6", this);
+				value = new QLabel(hostAddr.toString().split("%").first(), this);
 			} else {
-				label = new QLabel("IPv4");
-				value = new QLabel(hostAddr.toString());
+				label = new QLabel("IPv4", this);
+				value = new QLabel(hostAddr.toString(), this);
 			}
 
 			_tableLayout->addRow(label, value);
 		}
-		_tableLayout->addRow("MAC", new QLabel(interface.hardwareAddress()));
+		_tableLayout->addRow("MAC", new QLabel(interface.hardwareAddress(), this));
 	}
 
 	/* TODO: Add other information */
-}
-
+}
\ No newline at end of file
diff --git a/src/client/informationdialog/informationdialog.h b/src/client/informationdialog/informationdialog.h
index 42aaa7b..f210dd8 100644
--- a/src/client/informationdialog/informationdialog.h
+++ b/src/client/informationdialog/informationdialog.h
@@ -1,12 +1,11 @@
 #ifndef INFORMATION_DIALOG_H
 #define INFORMATION_DIALOG_H
+
 #include <QDialog>
-#include <QLayout>
-#include <QFormLayout>
-#include <QLabel>
-#include <QDebug>
-#include <QStringList>
 
+class QLayout;
+class QFormLayout;
+class QLabel;
 
 class InformationDialog : public QDialog
 {
@@ -21,7 +20,7 @@ private:
 	void initTable();
 
 public:
-	InformationDialog();
+	explicit InformationDialog();
 
 };