EntryProvider: Support broken .desktop files that don't start with [Desktop Entry]

Refactoring for 5.15 broke this (d9b0be5063),
so fix it.

TODO

@@ -1,4 +0,0 @@
- - Investigate memory leaks (relevant now that we have a single user mode,
- so qsrun may stay open after launch)
- - Provide --help
- - ESC/CTRL+Q close the app. May not be expected behaviour

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;
@@ -20,20 +25,22 @@ EntryConfig EntryProvider::readFromDesktopFile(const QString &path)
 	if(!file.open(QIODevice::ReadOnly | QIODevice::Text))
 	{
 		// TODO: better exception class
-		throw new std::runtime_error("Failed to open file");
+		throw std::runtime_error("Failed to open file");
 	}
 	QTextStream stream(&file);
 	// There should be nothing preceding this group in the desktop entry file but possibly one or more comments.
 	// https://standards.freedesktop.org/desktop-entry-spec/latest/ar01s03.html#group-header
-	QString firstLine;
+	// Ignore that as there some that violate that in the wild
+	const QString startSection = "[Desktop Entry]";
+	QString line;
 	do
 	{
-		firstLine = stream.readLine().trimmed();
-	} while(!stream.atEnd() && (firstLine.isEmpty() || firstLine[0] == '#'));
+		line = stream.readLine().trimmed();
+	} while(!stream.atEnd() && line != startSection);
 
-	if(firstLine != "[Desktop Entry]")
+	if(line != startSection)
 	{
-		throw ConfigFormatException(".desktop file does not start with [Desktop Entry]: " + path.toStdString());
+		throw ConfigFormatException(".desktop file does not contain [Desktop Entry] section: " + path.toStdString());
 	}
 
 	while(!stream.atEnd())
@@ -56,7 +63,7 @@ EntryConfig EntryProvider::readFromDesktopFile(const QString &path)
 		}
 		if(key == "icon")
 		{
-			result.icon = QIcon::fromTheme(args);
+			result.iconPath = args;
 		}
 		if(key == "exec")
 		{
@@ -75,12 +82,39 @@ EntryConfig EntryProvider::readFromDesktopFile(const QString &path)
 				}
 			}
 		}
+		if(key == "nodisplay")
+		{
+			result.hidden = args == "true";
 		}
+		if(key == "terminal")
+		{
+			result.isTerminalCommand = args == "true";
+		}
+	}
+	result.type = EntryType::SYSTEM;
 	return result;
 }
 
-/* qsrun own's config file */
-EntryConfig EntryProvider::readFromFile(const QString &path)
+std::optional<EntryConfig> EntryProvider::readEntryFromPath(const QString &path)
+{
+	QFileInfo info(path);
+	if(info.isFile())
+	{
+		QString suffix = info.suffix();
+		if(suffix == "desktop")
+		{
+			return readFromDesktopFile(path);
+		}
+		if(suffix == "qsrun")
+		{
+			return readqsrunFile(path);
+		}
+	}
+	return {};
+}
+
+/* qsrun's own format */
+EntryConfig EntryProvider::readqsrunFile(const QString &path)
 {
 	EntryConfig result;
 	EntryConfig inheritedConfig;
@@ -88,21 +122,73 @@ EntryConfig EntryProvider::readFromFile(const QString &path)
 	if(!file.open(QIODevice::ReadOnly | QIODevice::Text))
 	{
 		// TODO: better exception class
-		throw new std::runtime_error("Failed to open file");
+		throw std::runtime_error("Failed to open file");
 	}
+	QHash<QString, QString> map;
 	QTextStream stream(&file);
 	while(!stream.atEnd())
 	{
 		QString line = stream.readLine();
-		QStringList splitted = line.split(" ");
-		if(splitted.length() < 2)
+
+		int spacePos = line.indexOf(' ');
+		if(spacePos == -1)
 		{
-			throw new ConfigFormatException("misformated line in .qsrun config file " + path.toStdString());
+			throw ConfigFormatException("misformated line in .qsrun config file " + path.toStdString());
 		}
-		QString key = splitted[0];
-		if(key == "arguments")
+
+		QString key = line.mid(0, spacePos);
+		QString value = line.mid(spacePos + 1);
+
+		if(key == "" || value == "")
 		{
-			auto args = splitted.mid(1);
+			throw ConfigFormatException("empty key or value in .qsrun config file " + path.toStdString());
+		}
+		map[key] = value;
+	}
+
+	if(map.contains("inherit"))
+	{
+		auto entry = readEntryFromPath(map["inherit"]);
+		if(entry)
+		{
+			result = entry.value();
+			result.inherit = map["inherit"];
+		}
+		else
+		{
+			throw ConfigFormatException("Error attempting to read inherited entry");
+		}
+	}
+	QString type = map["type"];
+	if(!type.isEmpty())
+	{
+		if(type == "system")
+		{
+			throw ConfigFormatException(".qsrun files cannot be designated as system entries " +
+											path.toStdString());
+		}
+		else if(type == "inherit")
+		{
+			result.type = EntryType::INHERIT;
+		}
+		else if(type == "user")
+		{
+			result.type = EntryType::USER;
+		}
+		else
+		{
+			throw ConfigFormatException("Invalid value for type provided in file: " + path.toStdString());
+		}
+	}
+	else
+	{
+		result.type = EntryType::USER;
+	}
+	if(result.type != EntryType::INHERIT)
+	{
+		if(map.contains("arguments"))
+		{
+			auto args = map["arguments"].split(' ');
 			QString merged;
 			for(QString &str : args)
 			{
@@ -131,38 +217,21 @@ EntryConfig EntryProvider::readFromFile(const QString &path)
 				throw ConfigFormatException("non-closed \" in config file " + path.toStdString());
 			}
 		}
-		if(key == "name")
+		auto assignIfSourceNotEmpty = [](QString source, QString &val) {
+			if(!source.isEmpty())
 			{
-			result.name = splitted[1];
+				val = source;
 			}
-		if(key == "icon")
-		{
-			result.icon = QIcon(splitted[1]);
+		};
+		assignIfSourceNotEmpty(map["key"].toLower(), result.key);
+		assignIfSourceNotEmpty(map["command"], result.command);
+		assignIfSourceNotEmpty(map["icon"], result.iconPath);
+		assignIfSourceNotEmpty(map["name"], result.name);
 	}
-		if(key == "row")
-		{
-			result.row = splitted[1].toInt();
-		}
-		if(key == "col")
-		{
-			result.col = splitted[1].toInt();
-		}
-		if(key == "command")
-		{
-			result.command = splitted[1];
-		}
-		if(key == "key")
-		{
-			// QKeySequence sequence(splitted[1]);
-			// result.keySequence = sequence;
-			result.key = splitted[1].toLower();
-		}
-		if(key == "inherit")
-		{
-			inheritedConfig = readFromDesktopFile(resolveEntryPath(splitted[1]));
-		}
-	}
-	return result.update(inheritedConfig);
+	result.col = map["col"].toInt();
+	result.row = map["row"].toInt();
+	result.isTerminalCommand = map["terminal"] == "true";
+	return result;
 }
 
 QString EntryProvider::resolveEntryPath(QString path)
@@ -197,17 +266,13 @@ QVector<EntryConfig> EntryProvider::readConfig(QStringList paths)
 		while(it.hasNext())
 		{
 			QString path = it.next();
-			QFileInfo info(path);
-			if(info.isFile())
+			std::optional<EntryConfig> entry = readEntryFromPath(path);
+			if(entry)
 			{
-				QString suffix = info.suffix();
-				if(suffix == "desktop")
+				if(!entry->hidden)
 				{
-					result.append(readFromDesktopFile(path));
-				}
-				if(suffix == "qsrun")
-				{
-					result.append(readFromFile(path));
+					entry->entryPath = path;
+					result.append(*entry);
 				}
 			}
 		}
@@ -225,6 +290,73 @@ QVector<EntryConfig> EntryProvider::getSystemEntries()
 	return readConfig(this->systemEntriesDirsPaths);
 }
 
+void EntryProvider::saveUserEntry(const EntryConfig &config)
+{
+	if(!isSavable(config))
+	{
+		throw std::runtime_error("Only user/inherited entries can be saved");
+	}
+	QString transitPath = config.entryPath + ".transit";
+	QFile file{transitPath};
+	if(!file.open(QIODevice::WriteOnly))
+	{
+		throw std::runtime_error("Error: Can not open file for writing");
+	}
+	QTextStream outStream(&file);
+	outStream << "type" << " " << ((config.type == EntryType::USER) ? "user" : "inherit") << Qt::endl;
+	if(!config.inherit.isEmpty())
+	{
+		outStream << "inherit" << " " << config.inherit << Qt::endl;
+	}
+	outStream << "row" << " " << config.row << Qt::endl;
+	outStream << "col" << " " << config.col << Qt::endl;
+	outStream << "hidden" << " " << config.hidden << Qt::endl;
+	if(!config.key.isEmpty())
+	{
+		outStream << "key" << " " << config.key << Qt::endl;
+	}
+	if(config.type == EntryType::USER)
+	{
+		if(!config.name.isEmpty())
+		{
+			outStream << "name" << " " << config.name << Qt::endl;
+		}
+		if(!config.command.isEmpty())
+		{
+			outStream << "command" << " " << config.command << Qt::endl;
+		}
+		if(!config.iconPath.isEmpty())
+		{
+			outStream << "icon" << " " << config.iconPath << Qt::endl;
+		}
+		if(!config.arguments.empty())
+		{
+			outStream << "arguments" << " " << config.arguments.join(' ') << Qt::endl;
+		}
+	}
+
+	outStream.flush();
+	file.close();
+
+	// Qts don't work if file already exists and c++17... don't want to pull in the fs lib yet
+	int ret = rename(transitPath.toStdString().c_str(), config.entryPath.toStdString().c_str());
+	if(ret != 0)
+	{
+		qDebug() << strerror(errno);
+		throw std::runtime_error("Failed to save entry file: Error during rename");
+	}
+}
+
+bool EntryProvider::deleteUserEntry(const EntryConfig &config)
+{
+	if(!isSavable(config))
+	{
+		throw std::runtime_error("Only user/inherited entries can be deleted");
+	}
+	QFile file{config.entryPath};
+	return file.remove();
+}
+
 template <class T> void assignIfDestDefault(T &dest, const T &source)
 {
 	if(dest == T())
@@ -238,12 +370,16 @@ EntryConfig &EntryConfig::update(const EntryConfig &o)
 	assignIfDestDefault(this->arguments, o.arguments);
 	assignIfDestDefault(this->col, o.col);
 	assignIfDestDefault(this->command, o.command);
-	if(this->icon.isNull())
+	if(this->iconPath.isEmpty())
 	{
-		this->icon = o.icon;
+		this->iconPath = o.iconPath;
 	}
 	assignIfDestDefault(this->key, o.key);
 	assignIfDestDefault(this->name, o.name);
 	assignIfDestDefault(this->row, o.row);
+	assignIfDestDefault(this->hidden, o.hidden);
+	assignIfDestDefault(this->inherit, o.inherit);
+	assignIfDestDefault(this->entryPath, o.entryPath);
+	assignIfDestDefault(this->type, o.type);
 	return *this;
 }

entryprovider.h

@@ -2,6 +2,7 @@
 #define ENTRYPROVIDER_H
 #include <QIcon>
 #include <QSettings>
+#include <optional>
 
 class ConfigFormatException : public std::runtime_error
 {
@@ -14,14 +15,27 @@ class ConfigFormatException : public std::runtime_error
 	}
 };
 
+enum EntryType
+{
+	USER,
+	INHERIT,
+	SYSTEM,
+	DYNAMIC
+};
+
 class EntryConfig
 {
   public:
+	EntryType type = SYSTEM;
+	bool hidden = false;
+	bool isTerminalCommand = false;
+	QString entryPath;
 	QString key;
 	QString name;
 	QString command;
+	QString iconPath;
 	QStringList arguments;
-	QIcon icon;
+	QString inherit;
 	int row = 0;
 	int col = 0;
 
@@ -34,15 +48,19 @@ class EntryProvider
 	QStringList _desktopIgnoreArgs;
 	QStringList userEntriesDirsPaths;
 	QStringList systemEntriesDirsPaths;
-	EntryConfig readFromFile(const QString &path);
+	EntryConfig readqsrunFile(const QString &path);
 	EntryConfig readFromDesktopFile(const QString &path);
+	std::optional<EntryConfig> readEntryFromPath(const QString &path);
 	QVector<EntryConfig> readConfig(QStringList paths);
 	QString resolveEntryPath(QString path);
 
   public:
 	EntryProvider(QStringList userEntriesDirsPaths, QStringList systemEntriesDirsPaths);
+	bool isSavable(const EntryConfig &config) const;
 	QVector<EntryConfig> getUserEntries();
 	QVector<EntryConfig> getSystemEntries();
+	void saveUserEntry(const EntryConfig &config);
+	bool deleteUserEntry(const EntryConfig &config);
 };
 
 #endif // ENTRYPROVIDER_H

entrypushbutton.cpp

@@ -13,39 +13,56 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+
+#include <QDrag>
+#include <QMimeData>
+#include <QApplication>
 #include "entrypushbutton.h"
 
 EntryPushButton::EntryPushButton(const EntryConfig &config) : QPushButton()
 {
 	this->setText(config.name);
 	this->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-	this->setIcon(config.icon);
-	if(!config.icon.availableSizes().isEmpty())
+	QIcon icon;
+	if(config.isTerminalCommand && config.iconPath.isEmpty())
 	{
-		auto sizes = config.icon.availableSizes();
-		QSize maxSize = sizes.first();
-		for(QSize &current : sizes)
+		icon = resolveIcon("utilities-terminal");
+	}
+	else
 	{
-			if(current.width() > maxSize.width())
-			{
-				maxSize = current;
-			}
-		}
-		this->setIconSize(maxSize);
+		icon = resolveIcon(config.iconPath);
 	}
+	this->setIcon(icon);
+	this->setIconSize(QSize{256, 256});
 	this->config = config;
 	connect(this, SIGNAL(clicked()), this, SLOT(emitOwnClicked()));
+
+	systemEntryMenu.addAction("Add to favorites", [&] { emit addToFavourites(this->config); });
+	userEntryMenu.addAction("Delete", [&] { emit deleteRequested(this->config); });
 }
 
-
-
+QIcon EntryPushButton::resolveIcon(QString path)
+{
+	if(!path.isEmpty())
+	{
+		if(path[0] == '/')
+		{
+			return QIcon(path);
+		}
+		else
+		{
+			return QIcon::fromTheme(path);
+		}
+	}
+	return QIcon();
+}
 
 void EntryPushButton::emitOwnClicked()
 {
 	emit clicked(this->config);
 }
 
-const EntryConfig &EntryPushButton::getEntryConfig()
+const EntryConfig &EntryPushButton::getEntryConfig() const
 {
 	return this->config;
 }
@@ -65,12 +82,82 @@ void EntryPushButton::showName()
 	this->setText(this->config.name);
 }
 
-int EntryPushButton::getRow() const { return config.row; }
-int EntryPushButton::getCol() const { return config.col; }
-QString EntryPushButton::getName() const { return config.name; }
-QString EntryPushButton::getShortcutKey() const { return config.key; }
-void EntryPushButton::setShortcutKey(QString key) { this->config.key = key; }
-void EntryPushButton::setRow(int row) { this->config.row = row; }
-void EntryPushButton::setCol(int col) { this->config.col = col; }
-QStringList EntryPushButton::getArguments() const { return this->config.arguments; }
-QString EntryPushButton::getCommand() const { return this->config.command; }
+void EntryPushButton::mousePressEvent(QMouseEvent *event)
+{
+	if(event->button() == Qt::LeftButton)
+	{
+		dragStartPosition = event->pos();
+	}
+	if(event->button() == Qt::RightButton)
+	{
+		if(this->config.type == EntryType::USER || this->config.type == EntryType::INHERIT)
+		{
+			this->userEntryMenu.exec(QCursor::pos());
+		}
+		else if(this->config.type == EntryType::SYSTEM)
+		{
+			this->systemEntryMenu.exec(QCursor::pos());
+		}
+	}
+	return QPushButton::mousePressEvent(event);
+}
+
+void EntryPushButton::mouseMoveEvent(QMouseEvent *event)
+{
+	if(this->config.type == EntryType::SYSTEM || this->config.type == EntryType::DYNAMIC)
+	{
+		return;
+	}
+	if(!(event->buttons() & Qt::LeftButton))
+	{
+		return;
+	}
+	if((event->pos() - dragStartPosition).manhattanLength() < QApplication::startDragDistance())
+	{
+		return;
+	}
+
+	QDrag *drag = new QDrag(this);
+	QMimeData *mimeData = new QMimeData();
+	QByteArray data;
+	mimeData->setData(ENTRYBUTTON_MIME_TYPE_STR, data);
+	drag->setMimeData(mimeData);
+	Qt::DropAction dropAction = drag->exec(Qt::MoveAction);
+}
+
+int EntryPushButton::getRow() const
+{
+	return config.row;
+}
+int EntryPushButton::getCol() const
+{
+	return config.col;
+}
+QString EntryPushButton::getName() const
+{
+	return config.name;
+}
+QString EntryPushButton::getShortcutKey() const
+{
+	return config.key;
+}
+void EntryPushButton::setShortcutKey(QString key)
+{
+	this->config.key = key;
+}
+void EntryPushButton::setRow(int row)
+{
+	this->config.row = row;
+}
+void EntryPushButton::setCol(int col)
+{
+	this->config.col = col;
+}
+QStringList EntryPushButton::getArguments() const
+{
+	return this->config.arguments;
+}
+QString EntryPushButton::getCommand() const
+{
+	return this->config.command;
+}

entrypushbutton.h

@@ -18,20 +18,38 @@
 
 #include <QWidget>
 #include <QPushButton>
+#include <QMouseEvent>
+#include <QMenu>
+
 #include "entryprovider.h"
+
+#define ENTRYBUTTON_MIME_TYPE_STR "application/x-qsrun-entrypushbutton"
+
 class EntryPushButton : public QPushButton
 {
 	Q_OBJECT
-private:
+  private:
+	QMenu systemEntryMenu;
+	QMenu userEntryMenu;
 	EntryConfig config;
-private slots:
+	QPoint dragStartPosition;
+
+  private slots:
 	void emitOwnClicked();
 
-signals:
+  signals:
 	void clicked(const EntryConfig &config);
-public:
+	void deleteRequested(EntryConfig &config);
+	void addToFavourites(const EntryConfig &config);
+
+  protected:
+	void mousePressEvent(QMouseEvent *event);
+	void mouseMoveEvent(QMouseEvent *event);
+	QIcon resolveIcon(QString path);
+
+  public:
 	EntryPushButton(const EntryConfig &config);
-	const EntryConfig &getEntryConfig();
+	const EntryConfig &getEntryConfig() const;
 	void setEntryConfig(const EntryConfig &config);
 	void showShortcut();
 	void showName();
@@ -46,6 +64,4 @@ public:
 	void setShortcutKey(QString key);
 };
 
-
-
 #endif // ENTRYPUSHBUTTON_H

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>
@@ -30,56 +31,76 @@ int main(int argc, char *argv[])
 	QApplication app(argc, argv);
 	QString configDirectoryPath;
 	QDir dir;
+	bool newInstanceRequested = false;
 	if(argc >= 2)
 	{
-		configDirectoryPath = QCoreApplication::arguments().at(1);
-		if(!dir.exists(configDirectoryPath))
+		QCommandLineParser parser;
+		parser.addOptions({
+			{"new-instance", "Launch a new instance, ignoring any running ones"},
+			{"config", "Use supplied config dir instead of default"},
+		});
+		parser.addHelpOption();
+		parser.process(app.arguments());
+		configDirectoryPath = parser.value("config");
+		newInstanceRequested = parser.isSet("new-instance");
+
+		if(!configDirectoryPath.isEmpty() && !dir.exists(configDirectoryPath))
 		{
 			QMessageBox::warning(nullptr, "Directory not found", configDirectoryPath + " was not found");
 			return 1;
 		}
 	}
-	else
+	if(configDirectoryPath.isEmpty())
 	{
 		configDirectoryPath = QDir::homePath() + "/.config/qsrun/";
 	}
-	qRegisterMetaType<QVector<QString> >("QVector<QString>");
 
+	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;
 		}
 	}
 
 	QSettings settings(configDirectoryPath + "qsrun.config", QSettings::NativeFormat);
 
-	SettingsProvider settingsProvider { settings };
+	SettingsProvider settingsProvider{settings};
 	EntryProvider entryProvider(settingsProvider.userEntriesPaths(), settingsProvider.systemApplicationsEntriesPaths());
-	//TODO if setting single instance mode
+
+	SingleInstanceServer *server = nullptr;
+
+	bool singleInstanceMode = !newInstanceRequested && settingsProvider.singleInstanceMode();
+	if(singleInstanceMode)
+	{
 		QLocalSocket localSocket;
-	localSocket.connectToServer("/tmp/qsrun.socket");
-	SingleInstanceServer server;
+		localSocket.connectToServer(settingsProvider.socketPath());
 		if(localSocket.isOpen() && localSocket.isWritable())
 		{
 			QDataStream stream(&localSocket);
-		stream << (int)0x01; //maximize
+			stream << (int)0x01; // maximize
 			localSocket.flush();
 			localSocket.waitForBytesWritten();
 			localSocket.disconnectFromServer();
 			return 0;
 		}
-	else
-	{
-		if(!server.listen("/tmp/qsrun.socket"))
+
+		server = new SingleInstanceServer();
+		if(!server->listen(settingsProvider.socketPath()))
 		{
 			qDebug() << "Failed to listen on socket!";
+			return 1;
 		}
-		Window *w = new Window { entryProvider, settingsProvider };
-		QObject::connect(&server, &SingleInstanceServer::receivedMaximizationRequest, [&w]{
+	}
+
+	Window *w = new Window{entryProvider, settingsProvider};
+	if(singleInstanceMode && server != nullptr)
+	{
+		QObject::connect(server, &SingleInstanceServer::receivedMaximizationRequest, [&w] {
 			if(w != nullptr)
 			{
 				qInfo() << "maximizing as requested by other instance";
@@ -89,12 +110,10 @@ int main(int argc, char *argv[])
 				w->focusInput();
 			}
 		});
+	}
+
 	w->showMaximized();
 	w->focusInput();
 
-	}
-
-
-
 	return app.exec();
 }

qsrun.pro

@@ -23,5 +23,5 @@ SOURCES += calculationengine.cpp \
 QT += widgets sql network
 QT_CONFIG -= no-pkg-config
 LIBS += -lcln
-CONFIG += link_pkgconfig
+CONFIG += link_pkgconfig c++17
 PKGCONFIG += libqalculate

settingsprovider.cpp

@@ -1,6 +1,6 @@
 #include "settingsprovider.h"
-#include <QFileInfo>
 #include <QDir>
+#include <QFileInfo>
 
 SettingsProvider::SettingsProvider(QSettings &settings)
 {
@@ -9,9 +9,9 @@ SettingsProvider::SettingsProvider(QSettings &settings)
 
 QStringList SettingsProvider::userEntriesPaths() const
 {
-	//TODO: make it configurable, but we stick with this for now.
+	// TODO: make it configurable, but we stick with this for now.
 	QFileInfo fi(this->settings->fileName());
-	return { fi.absoluteDir().absolutePath() };
+	return {fi.absoluteDir().absolutePath()};
 }
 
 QStringList SettingsProvider::systemApplicationsEntriesPaths() const
@@ -19,9 +19,22 @@ QStringList SettingsProvider::systemApplicationsEntriesPaths() const
 	return settings->value("sysAppsPaths", "/usr/share/applications/").toStringList();
 }
 
+int SettingsProvider::getMaxCols() const
+{
+	return settings->value("maxColumns", 3).toInt();
+}
+
 bool SettingsProvider::singleInstanceMode() const
 {
 	return settings->value("singleInstance", true).toBool();
 }
 
+QString SettingsProvider::getTerminalCommand() const
+{
+	return settings->value("terminal", "/usr/bin/x-terminal-emulator -e %c").toString();
+}
 
+QString SettingsProvider::socketPath() const
+{
+	return settings->value("singleInstanceSocket", "/tmp/qsrun").toString();
+}

settingsprovider.h

@@ -1,18 +1,22 @@
 #ifndef SETTINGSPROVIDER_H
 #define SETTINGSPROVIDER_H
 
-#include <stdexcept>
 #include <QSettings>
+#include <stdexcept>
 
 class SettingsProvider
 {
-private:
+  private:
 	QSettings *settings;
-public:
+
+  public:
 	SettingsProvider(QSettings &settings);
 	virtual QStringList userEntriesPaths() const;
 	virtual QStringList systemApplicationsEntriesPaths() const;
+	virtual int getMaxCols() const;
 	virtual bool singleInstanceMode() const;
+	QString getTerminalCommand() const;
+	QString socketPath() const;
 };
 
 #endif // SETTINGSPROVIDER_H

window.cpp

@@ -1,34 +1,35 @@
 /*
-* Copyright (c) 2018-2019 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>
+ * Copyright (c) 2018-2020 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 <QClipboard>
+#include <QDate>
+#include <QDebug>
+#include <QDesktopServices>
 #include <QDirIterator>
+#include <QFileIconProvider>
+#include <QHeaderView>
 #include <QIcon>
 #include <QKeySequence>
 #include <QLabel>
-#include <QDate>
-#include <QHeaderView>
-#include <QDesktopServices>
-#include <QFileIconProvider>
-#include <QDebug>
 #include <QMenu>
-#include <QClipboard>
+#include <QProcess>
+#include <QProcessEnvironment>
 #include <QScrollArea>
-#include "window.h"
+
 #include "entryprovider.h"
+#include "window.h"
 Window::Window(EntryProvider &entryProvider, SettingsProvider &configProvider)
 {
 	this->entryProvider = &entryProvider;
@@ -36,6 +37,7 @@ Window::Window(EntryProvider &entryProvider, SettingsProvider &configProvider)
 	createGui();
 	initFromConfig();
 	this->lineEdit->installEventFilter(this);
+	this->setAcceptDrops(true);
 	QFont font;
 	font.setPointSize(48);
 	font.setBold(true);
@@ -43,13 +45,12 @@ Window::Window(EntryProvider &entryProvider, SettingsProvider &configProvider)
 	calculationResultLabel.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 	calculationResultLabel.setAlignment(Qt::AlignCenter);
 	calculationResultLabel.setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
-	connect(&calculationResultLabel, &QLabel::customContextMenuRequested, this, &Window::showCalculationResultContextMenu);
+	connect(&calculationResultLabel, &QLabel::customContextMenuRequested, this,
+			&Window::showCalculationResultContextMenu);
 }
 
 Window::~Window()
 {
-
-
 }
 
 void Window::initFromConfig()
@@ -77,9 +78,9 @@ void Window::showCalculationResultContextMenu(const QPoint &point)
 	menu.exec(QCursor::pos());
 }
 
-QVector<EntryPushButton*> Window::generateEntryButtons(const QVector<EntryConfig> &configs)
+QVector<EntryPushButton *> Window::generateEntryButtons(const QVector<EntryConfig> &configs)
 {
-	QVector<EntryPushButton*> result;
+	QVector<EntryPushButton *> result;
 	for(const EntryConfig &config : configs)
 	{
 		EntryPushButton *button = createEntryButton(config);
@@ -117,12 +118,65 @@ void Window::populateGrid(const QVector<EntryPushButton *> &list)
 	}
 }
 
-void Window::buttonClick(const EntryPushButton &config)
+void Window::executeConfig(const EntryConfig &config)
 {
-	QProcess::startDetached(config.getCommand(), config.getArguments());
+	if(config.isTerminalCommand || QApplication::keyboardModifiers().testFlag(Qt::ShiftModifier))
+	{
+		QString cmd = settingsProvider->getTerminalCommand();
+		cmd.replace("%c", config.command);
+		QStringList args = QProcess::splitCommand(cmd);
+		QProcess::startDetached(args[0], args);
+	}
+	else
+	{
+		QProcess::startDetached(config.command, config.arguments);
+	}
 	this->closeWindow();
 }
 
+void Window::addToFavourites(const EntryConfig &config)
+{
+	std::pair<int, int> cell = getNextFreeCell();
+	EntryConfig userConfig;
+	userConfig.type = EntryType::INHERIT;
+	userConfig.row = cell.first;
+	userConfig.col = cell.second;
+	userConfig.inherit = config.entryPath;
+	QFileInfo fi{config.entryPath};
+	QString entryName = fi.completeBaseName() + ".qsrun";
+	QString entryPath;
+	if(config.type == EntryType::SYSTEM)
+	{
+		entryPath = this->settingsProvider->userEntriesPaths()[0] + "/" + entryName;
+	}
+	else
+	{
+		entryPath = fi.absoluteDir().absoluteFilePath(entryName);
+	}
+	userConfig.entryPath = entryPath;
+	try
+	{
+		entryProvider->saveUserEntry(userConfig);
+	}
+	catch(std::exception &e)
+	{
+		QMessageBox::critical(this, "Failed to save item to favourites", e.what());
+		return;
+	}
+	/*we only want to save a minimal, inherited config. but it should be a "complete" button
+	when we add it to the favourites. the alternative would be to reload the whole config,
+	but that's probably overkill. */
+	userConfig.update(config);
+	userConfig.key = "";
+	userEntryButtons.append(createEntryButton(userConfig));
+}
+
+void Window::deleteEntry(EntryConfig &config)
+{
+	this->entryProvider->deleteUserEntry(config);
+	initFromConfig();
+}
+
 void Window::closeWindow()
 {
 	if(settingsProvider->singleInstanceMode())
@@ -136,6 +190,48 @@ void Window::closeWindow()
 	}
 }
 
+std::pair<int, int> Window::getNextFreeCell()
+{
+	/* Not the most efficient way perhaps but for now it'll do */
+	std::sort(userEntryButtons.begin(), userEntryButtons.end(), [](EntryPushButton *a, EntryPushButton *b) {
+		const EntryConfig &config_a = a->getEntryConfig();
+		const EntryConfig &config_b = b->getEntryConfig();
+		if(config_a.row < config_b.row)
+		{
+			return true;
+		}
+		if(config_a.row > config_b.row)
+		{
+			return false;
+		}
+		return config_a.col < config_b.col;
+	});
+
+	int expectedRow = 1;
+	int expectedCol = 1;
+	int maxCols = this->settingsProvider->getMaxCols();
+	for(EntryPushButton *current : userEntryButtons)
+	{
+		int currentRow = current->getEntryConfig().row;
+		int currentCol = current->getEntryConfig().col;
+
+		if(currentRow != expectedRow || currentCol != expectedCol)
+		{
+			return {expectedRow, expectedCol};
+		}
+		if(expectedCol == maxCols)
+		{
+			expectedCol = 1;
+			++expectedRow;
+		}
+		else
+		{
+			++expectedCol;
+		}
+	}
+	return {expectedRow, expectedCol};
+}
+
 QStringList Window::generatePATHSuggestions(const QString &text)
 {
 	QStringList results;
@@ -167,10 +263,11 @@ void Window::addPATHSuggestion(const QString &text)
 	{
 		EntryConfig e;
 		e.name = suggestions[0];
-		e.col=0;
-		e.row=0;
+		e.col = 0;
+		e.row = 0;
 		e.command = suggestions[0];
-		e.icon = QIcon::fromTheme(suggestions[0]);
+		e.iconPath = suggestions[0];
+		e.type = EntryType::DYNAMIC;
 		EntryPushButton *button = createEntryButton(e);
 		clearGrid();
 		grid->addWidget(button, 0, 0);
@@ -198,7 +295,6 @@ void Window::addCalcResult(const QString &expression)
 	calculationResultLabel.setText(labelText);
 	calculationResultLabel.setVisible(true);
 
-
 	QFont currentFont = calculationResultLabel.font();
 	int calculatedPointSize = currentFont.pointSize();
 	QFontMetrics fm(currentFont);
@@ -221,7 +317,7 @@ void Window::addCalcResult(const QString &expression)
 	grid->addWidget(&calculationResultLabel, 0, 0);
 }
 
-//main problem here there is no easy event compression (clearing emit queue and only processing the last one)
+// main problem here there is no easy event compression (clearing emit queue and only processing the last one)
 void Window::lineEditTextChanged(QString text)
 {
 	if(text.length() >= 2)
@@ -248,7 +344,8 @@ void Window::lineEditTextChanged(QString text)
 				e.arguments = arguments.mid(1);
 			}
 			e.command = arguments[0];
-			e.icon = QIcon::fromTheme("utilities-terminal");
+			e.iconPath = "utilities-terminal";
+			e.type = EntryType::DYNAMIC;
 
 			EntryPushButton *button = createEntryButton(e);
 			clearGrid();
@@ -268,11 +365,11 @@ void Window::keyReleaseEvent(QKeyEvent *event)
 		}
 	}
 	QWidget::keyReleaseEvent(event);
-
 }
 void Window::keyPressEvent(QKeyEvent *event)
 {
-	bool closeWindow = ((event->modifiers() & Qt::ControlModifier && event->key() == Qt::Key_Q) || event->key() == Qt::Key_Escape);
+	bool closeWindow =
+		((event->modifiers() & Qt::ControlModifier && event->key() == Qt::Key_Q) || event->key() == Qt::Key_Escape);
 	if(closeWindow)
 	{
 		this->closeWindow();
@@ -287,22 +384,47 @@ void Window::keyPressEvent(QKeyEvent *event)
 		}
 
 		for(EntryPushButton *button : buttonsInGrid)
+		{
+			if(!button->getEntryConfig().key.isEmpty())
 			{
 				button->showShortcut();
 			}
+		}
 
 		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; });
+		auto it = std::find_if(buttonsInGrid.begin(), buttonsInGrid.end(),
+							   [&key](const EntryPushButton *y) { return y->getShortcutKey() == key; });
 		if(it != buttonsInGrid.end())
 		{
-			buttonClick(**it);
+			executeConfig((*it)->getEntryConfig());
 		}
 	}
 	QWidget::keyPressEvent(event);
 }
 
+int Window::rankConfig(const EntryConfig &config, QString filter) const
+{
+	if(config.name.startsWith(filter, Qt::CaseInsensitive))
+	{
+		return 0;
+	}
+	else if(config.command.startsWith(filter, Qt::CaseInsensitive))
+	{
+		return 1;
+	}
+	else if(config.name.contains(filter, Qt::CaseInsensitive))
+	{
+		return 2;
+	}
+	else if(config.command.contains(filter, Qt::CaseInsensitive))
+	{
+		return 3;
+	}
+	return -1;
+}
+
 void Window::filterGridFor(QString filter)
 {
 	if(filter.length() > 0)
@@ -311,7 +433,8 @@ void Window::filterGridFor(QString filter)
 		bool userEntryMatch = false;
 		for(EntryPushButton *button : this->userEntryButtons)
 		{
-			if(button->getName().contains(filter, Qt::CaseInsensitive))
+			if(button->getName().contains(filter, Qt::CaseInsensitive) ||
+			   button->getCommand().contains(filter, Qt::CaseInsensitive))
 			{
 				button->setVisible(true);
 				grid->addWidget(button, button->getRow(), button->getCol());
@@ -321,13 +444,27 @@ void Window::filterGridFor(QString filter)
 		}
 		if(!userEntryMatch)
 		{
+			QVector<RankedButton> rankedEntries;
 			int currow = 0;
 			int curcol = 0;
 			int i = 1;
+			const int MAX_COLS = this->settingsProvider->getMaxCols();
 			for(EntryPushButton *button : this->systemEntryButtons)
 			{
-				if(button->getName().contains(filter, Qt::CaseInsensitive))
+				int ranking = rankConfig(button->getEntryConfig(), filter);
+				if(ranking > -1)
 				{
+					RankedButton rb;
+					rb.button = button;
+					rb.ranking = ranking;
+					rankedEntries.append(rb);
+				}
+			}
+			std::sort(rankedEntries.begin(), rankedEntries.end(),
+					  [](const RankedButton &a, const RankedButton &b) -> bool { return a.ranking < b.ranking; });
+			for(RankedButton &rankedButton : rankedEntries)
+			{
+				EntryPushButton *button = rankedButton.button;
 				button->setVisible(true);
 				if(i < 10)
 				{
@@ -335,7 +472,7 @@ void Window::filterGridFor(QString filter)
 				}
 				grid->addWidget(button, currow, curcol++);
 				this->buttonsInGrid.append(button);
-					if(curcol == 3)
+				if(curcol == MAX_COLS)
 				{
 					curcol = 0;
 					++currow;
@@ -343,21 +480,18 @@ void Window::filterGridFor(QString filter)
 			}
 		}
 	}
-
-
-
-	}
 	else
 	{
 		populateGrid(this->userEntryButtons);
 	}
-
 }
 
-EntryPushButton * Window::createEntryButton(const EntryConfig &entry)
+EntryPushButton *Window::createEntryButton(const EntryConfig &entry)
 {
 	EntryPushButton *button = new EntryPushButton(entry);
-	connect(button, &EntryPushButton::clicked, this, &Window::buttonClick);
+	connect(button, &EntryPushButton::clicked, this, &Window::executeConfig);
+	connect(button, &EntryPushButton::addToFavourites, this, &Window::addToFavourites);
+	connect(button, &EntryPushButton::deleteRequested, this, &Window::deleteEntry);
 	return button;
 }
 
@@ -370,10 +504,9 @@ void Window::lineEditReturnPressed()
 		return;
 	}
 
-
-	if(buttonsInGrid.length() > 0 && this->lineEdit->text().length() > 0 )
+	if(buttonsInGrid.length() > 0 && this->lineEdit->text().length() > 0)
 	{
-		buttonClick(*buttonsInGrid[0]);
+		executeConfig(buttonsInGrid[0]->getEntryConfig());
 		return;
 	}
 }
@@ -387,7 +520,7 @@ bool Window::eventFilter(QObject *obj, QEvent *event)
 {
 	if(obj == this->lineEdit)
 	{
-		if (event->type() == QEvent::KeyPress)
+		if(event->type() == QEvent::KeyPress)
 		{
 			QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 			if(keyEvent->key() == Qt::Key_Tab)
@@ -396,12 +529,11 @@ bool Window::eventFilter(QObject *obj, QEvent *event)
 				if(suggestions.length() == 1)
 				{
 					this->lineEdit->setText(suggestions[0] + " ");
-					this->lineEdit->setCursorPosition(this->lineEdit->text().length()+1);
+					this->lineEdit->setCursorPosition(this->lineEdit->text().length() + 1);
 				}
 				return true;
 			}
 		}
-
 	}
 	return QObject::eventFilter(obj, event);
 }
@@ -410,3 +542,49 @@ void Window::focusInput()
 {
 	this->lineEdit->setFocus();
 }
+
+void Window::dragEnterEvent(QDragEnterEvent *event)
+{
+	if(event->mimeData()->hasFormat(ENTRYBUTTON_MIME_TYPE_STR))
+	{
+		event->acceptProposedAction();
+	}
+}
+
+void Window::dropEvent(QDropEvent *event)
+{
+	int count = grid->count();
+	for(int i = 0; i < count; i++)
+	{
+		QLayoutItem *current = grid->itemAt(i);
+		if(current->geometry().contains(event->pos()))
+		{
+			EntryPushButton *buttonAtDrop = (EntryPushButton *)current->widget();
+			EntryPushButton *buttonAtSource = (EntryPushButton *)event->source();
+
+			int tmp_row = buttonAtSource->getRow();
+			int tmp_col = buttonAtSource->getCol();
+
+			grid->addWidget(buttonAtSource, buttonAtDrop->getRow(), buttonAtDrop->getCol());
+			buttonAtSource->setRow(buttonAtDrop->getRow());
+			buttonAtSource->setCol(buttonAtDrop->getCol());
+
+			grid->addWidget(buttonAtDrop, tmp_row, tmp_col);
+			buttonAtDrop->setRow(tmp_row);
+			buttonAtDrop->setCol(tmp_col);
+
+			try
+			{
+				this->entryProvider->saveUserEntry(buttonAtDrop->getEntryConfig());
+				this->entryProvider->saveUserEntry(buttonAtSource->getEntryConfig());
+			}
+			catch(std::exception &e)
+			{
+				QMessageBox::critical(this, "Failed to rearrange items", e.what());
+			}
+
+			break;
+		}
+	}
+	event->acceptProposedAction();
+}

window.h

@@ -30,20 +30,34 @@
 #include <QThread>
 #include <QTreeWidget>
 #include <QLabel>
+#include <QMimeData>
+#include <QDebug>
+#include <QRect>
 #include "entrypushbutton.h"
 #include "calculationengine.h"
 #include "settingsprovider.h"
 
+class RankedButton
+{
+  public:
+	EntryPushButton *button = nullptr;
+	int ranking;
+};
+
 class Window : public QWidget
 {
 	Q_OBJECT
-private:
+  protected:
+	void dragEnterEvent(QDragEnterEvent *event);
+	void dropEvent(QDropEvent *event);
+
+  private:
 	EntryProvider *entryProvider;
 	SettingsProvider *settingsProvider;
 	CalculationEngine calcEngine;
 	QString calculationresult;
-	QVector<EntryPushButton*> userEntryButtons;
-	QVector<EntryPushButton*> systemEntryButtons;
+	QVector<EntryPushButton *> userEntryButtons;
+	QVector<EntryPushButton *> systemEntryButtons;
 	QVector<EntryPushButton *> buttonsInGrid;
 	QLabel calculationResultLabel;
 	QString currentCalculationResult;
@@ -56,27 +70,31 @@ private:
 	void keyReleaseEvent(QKeyEvent *event);
 	QVector<EntryPushButton *> generateEntryButtons(const QVector<EntryConfig> &userEntryButtons);
 	void keyPressEvent(QKeyEvent *event);
-	void buttonClick(const EntryPushButton &config);
+	void executeConfig(const EntryConfig &button);
+	void addToFavourites(const EntryConfig &button);
+	void deleteEntry(EntryConfig &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 addCalcResult(const QString &expression);
 	void initTreeWidgets();
 	QStringList generatePATHSuggestions(const QString &text);
 	void closeWindow();
-private slots:
+	std::pair<int, int> getNextFreeCell();
+	int rankConfig(const EntryConfig &config, QString filter) const;
+  private slots:
 	void lineEditReturnPressed();
 	void showCalculationResultContextMenu(const QPoint &point);
-public:
+
+  public:
 	Window(EntryProvider &entryProvider, SettingsProvider &settingsProvider);
 	void setSystemConfig(const QVector<EntryConfig> &config);
 	bool eventFilter(QObject *obj, QEvent *event);
 	void focusInput();
 	~Window();
-
 };
 
 #endif