Parse argv using QCommandLineParser

Fixes: #17

entryprovider.cpp

@@ -13,6 +13,11 @@ EntryProvider::EntryProvider(QStringList userEntriesDirsPaths, QStringList syste
 					   << "%u";
 }
 
+bool EntryProvider::isSavable(const EntryConfig &config) const
+{
+	return ! config.entryPath.isEmpty() && (config.type == EntryType::USER || config.type == EntryType::INHERIT);
+}
+
 EntryConfig EntryProvider::readFromDesktopFile(const QString &path)
 {
 	EntryConfig result;
@@ -285,7 +290,7 @@ QVector<EntryConfig> EntryProvider::getSystemEntries()
 
 void EntryProvider::saveUserEntry(const EntryConfig &config)
 {
-	if(config.type == EntryType::SYSTEM || config.entryPath.isEmpty())
+	if(!isSavable(config))
 	{
 		throw std::runtime_error("Only user/inherited entries can be saved");
 	}
@@ -339,7 +344,7 @@ void EntryProvider::saveUserEntry(const EntryConfig &config)
 
 bool EntryProvider::deleteUserEntry(const EntryConfig &config)
 {
-	if(config.type == EntryType::SYSTEM || config.entryPath.isEmpty())
+	if(!isSavable(config))
 	{
 		throw std::runtime_error("Only user/inherited entries can be deleted");
 	}

entryprovider.h

@@ -55,6 +55,7 @@ class EntryProvider
 
   public:
 	EntryProvider(QStringList userEntriesDirsPaths, QStringList systemEntriesDirsPaths);
+	bool isSavable(const EntryConfig &config) const;
 	QVector<EntryConfig> getUserEntries();
 	QVector<EntryConfig> getSystemEntries();
 	void saveUserEntry(const EntryConfig &config);

main.cpp

@@ -14,6 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 #include <QApplication>
+#include <QCommandLineParser>
 #include <QFuture>
 #include <QFutureWatcher>
 #include <QtConcurrent/QtConcurrentRun>
@@ -32,7 +33,15 @@ int main(int argc, char *argv[])
 	QDir dir;
 	if(argc >= 2)
 	{
-		configDirectoryPath = QCoreApplication::arguments().at(1);
+		QCommandLineParser parser;
+		parser.addOptions({
+			{"new-instance", "Launch a new instance, ignoring any running ones"},
+			{"kill-instances", "Kill all running instances"},
+			{"config", "Use supplied config dir instead of default"},
+		});
+		parser.addHelpOption();
+		parser.process(app.arguments());
+		configDirectoryPath = parser.value("config");
 		if(!dir.exists(configDirectoryPath))
 		{
 			QMessageBox::warning(nullptr, "Directory not found", configDirectoryPath + " was not found");
@@ -45,12 +54,12 @@ int main(int argc, char *argv[])
 	}
 	qRegisterMetaType<QVector<QString>>("QVector<QString>");
 
-
 	if(!dir.exists(configDirectoryPath))
 	{
 		if(!dir.mkdir(configDirectoryPath))
 		{
-			QMessageBox::warning(nullptr, "Failed to create dir", configDirectoryPath + " was not found and could not be created!");
+			QMessageBox::warning(nullptr, "Failed to create dir",
+								 configDirectoryPath + " was not found and could not be created!");
 			return 1;
 		}
 	}
@@ -91,10 +100,7 @@ int main(int argc, char *argv[])
 		});
 		w->showMaximized();
 		w->focusInput();
-
 	}
 
-
-
 	return app.exec();
 }

window.cpp

@@ -123,7 +123,7 @@ void Window::executeConfig(const EntryConfig &config)
 	if(config.isTerminalCommand)
 	{
 		QString cmd = settingsProvider->getTerminalCommand();
-		cmd.replace("%c", config.command + " " + config.arguments.join(' '));
+		cmd.replace("%c", config.command);
 		QProcess::startDetached(cmd);
 	}
 	else