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

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

entryprovider.cpp

@@ -30,15 +30,17 @@ EntryConfig EntryProvider::readFromDesktopFile(const QString &path)
 	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())
@@ -301,35 +303,35 @@ void EntryProvider::saveUserEntry(const EntryConfig &config)
 		throw std::runtime_error("Error: Can not open file for writing");
 	}
 	QTextStream outStream(&file);
-	outStream << "type" << " " << ((config.type == EntryType::USER) ? "user" : "inherit") << endl;
+	outStream << "type" << " " << ((config.type == EntryType::USER) ? "user" : "inherit") << Qt::endl;
 	if(!config.inherit.isEmpty())
 	{
-		outStream << "inherit" << " " << config.inherit << endl;
+		outStream << "inherit" << " " << config.inherit << Qt::endl;
 	}
-	outStream << "row" << " " << config.row << endl;
-	outStream << "col" << " " << config.col << endl;
-	outStream << "hidden" << " " << config.hidden << 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 << endl;
+		outStream << "key" << " " << config.key << Qt::endl;
 	}
 	if(config.type == EntryType::USER)
 	{
 		if(!config.name.isEmpty())
 		{
-			outStream << "name" << " " << config.name << endl;
+			outStream << "name" << " " << config.name << Qt::endl;
 		}
 		if(!config.command.isEmpty())
 		{
-			outStream << "command" << " " << config.command << endl;
+			outStream << "command" << " " << config.command << Qt::endl;
 		}
 		if(!config.iconPath.isEmpty())
 		{
-			outStream << "icon" << " " << config.iconPath << endl;
+			outStream << "icon" << " " << config.iconPath << Qt::endl;
 		}
 		if(!config.arguments.empty())
 		{
-			outStream << "arguments" << " " << config.arguments.join(' ') << endl;
+			outStream << "arguments" << " " << config.arguments.join(' ') << Qt::endl;
 		}
 	}
 

entrypushbutton.cpp

@@ -33,19 +33,7 @@ EntryPushButton::EntryPushButton(const EntryConfig &config) : QPushButton()
 		icon = resolveIcon(config.iconPath);
 	}
 	this->setIcon(icon);
-	if(!icon.availableSizes().isEmpty())
-	{
-		auto sizes = icon.availableSizes();
-		QSize maxSize = sizes.first();
-		for(QSize &current : sizes)
-		{
-			if(current.width() > maxSize.width())
-			{
-				maxSize = current;
-			}
-		}
-		this->setIconSize(maxSize);
-	}
+	this->setIconSize(QSize{256, 256});
 	this->config = config;
 	connect(this, SIGNAL(clicked()), this, SLOT(emitOwnClicked()));
 

window.cpp

@@ -124,7 +124,8 @@ void Window::executeConfig(const EntryConfig &config)
 	{
 		QString cmd = settingsProvider->getTerminalCommand();
 		cmd.replace("%c", config.command);
-		QProcess::startDetached(cmd);
+		QStringList args = QProcess::splitCommand(cmd);
+		QProcess::startDetached(args[0], args);
 	}
 	else
 	{
@@ -403,6 +404,27 @@ void Window::keyPressEvent(QKeyEvent *event)
 	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)
@@ -411,7 +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());
@@ -421,26 +444,38 @@ 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)
 				{
-					button->setVisible(true);
-					if(i < 10)
-					{
-						button->setShortcutKey(QString::number(i++));
-					}
-					grid->addWidget(button, currow, curcol++);
-					this->buttonsInGrid.append(button);
-					if(curcol == MAX_COLS)
-					{
-						curcol = 0;
-						++currow;
-					}
+					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)
+				{
+					button->setShortcutKey(QString::number(i++));
+				}
+				grid->addWidget(button, currow, curcol++);
+				this->buttonsInGrid.append(button);
+				if(curcol == MAX_COLS)
+				{
+					curcol = 0;
+					++currow;
 				}
 			}
 		}

window.h

@@ -37,6 +37,13 @@
 #include "calculationengine.h"
 #include "settingsprovider.h"
 
+class RankedButton
+{
+  public:
+	EntryPushButton *button = nullptr;
+	int ranking;
+};
+
 class Window : public QWidget
 {
 	Q_OBJECT
@@ -77,7 +84,7 @@ class Window : public QWidget
 	QStringList generatePATHSuggestions(const QString &text);
 	void closeWindow();
 	std::pair<int, int> getNextFreeCell();
-
+	int rankConfig(const EntryConfig &config, QString filter) const;
   private slots:
 	void lineEditReturnPressed();
 	void showCalculationResultContextMenu(const QPoint &point);