Add more reasonable screenshots

Introduce SpecialCommand handling. Currently,
we block until the command finishes. SettingsProvider
provides a few example, but needs implementation to
read this from config.

entryprovider.cpp

@@ -30,17 +30,15 @@ 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
-	// Ignore that as there some that violate that in the wild
-	const QString startSection = "[Desktop Entry]";
-	QString line;
+	QString firstLine;
 	do
 	{
-		line = stream.readLine().trimmed();
-	} while(!stream.atEnd() && line != startSection);
+		firstLine = stream.readLine().trimmed();
+	} while(!stream.atEnd() && (firstLine.isEmpty() || firstLine[0] == '#'));
 
-	if(line != startSection)
+	if(firstLine != "[Desktop Entry]")
 	{
-		throw ConfigFormatException(".desktop file does not contain [Desktop Entry] section: " + path.toStdString());
+		throw ConfigFormatException(".desktop file does not start with [Desktop Entry]: " + path.toStdString());
 	}
 
 	while(!stream.atEnd())

qsrun.pro

@@ -12,6 +12,8 @@ HEADERS += calculationengine.h \
            entrypushbutton.h \
            settingsprovider.h \
            singleinstanceserver.h \
+           specialcommandconfig.h \
+           textoutputlabel.h \
            window.h
 SOURCES += calculationengine.cpp \
            entryprovider.cpp \
@@ -19,6 +21,7 @@ SOURCES += calculationengine.cpp \
            main.cpp \
            settingsprovider.cpp \
            singleinstanceserver.cpp \
+           textoutputlabel.cpp \
            window.cpp
 QT += widgets sql network
 QT_CONFIG -= no-pkg-config

settingsprovider.cpp

@@ -38,3 +38,28 @@ QString SettingsProvider::socketPath() const
 {
 	return settings->value("singleInstanceSocket", "/tmp/qsrun").toString();
 }
+
+QVector<SpecialCommandConfig> SettingsProvider::specialCommands() const
+{
+	QVector<SpecialCommandConfig> result;
+
+	SpecialCommandConfig uname;
+	uname.command = "uname";
+	uname.reqArgCount = 0;
+	uname.immediateProcessing = true;
+	result.append(uname);
+
+
+	SpecialCommandConfig date;
+	date.command = "date";
+	date.reqArgCount = 0;
+	date.immediateProcessing = true;
+	result.append(date);
+
+	SpecialCommandConfig echo;
+	echo.command = "echo";
+	echo.reqArgCount = 0;
+	echo.immediateProcessing = true;
+	result.append(echo);
+	return result;
+}

settingsprovider.h

@@ -3,6 +3,7 @@
 
 #include <QSettings>
 #include <stdexcept>
+#include "specialcommandconfig.h"
 
 class SettingsProvider
 {
@@ -17,6 +18,7 @@ class SettingsProvider
 	virtual bool singleInstanceMode() const;
 	QString getTerminalCommand() const;
 	QString socketPath() const;
+	QVector<SpecialCommandConfig> specialCommands() const;
 };
 
 #endif // SETTINGSPROVIDER_H

textoutputlabel.cpp

@@ -0,0 +1,37 @@
+#include "textoutputlabel.h"
+
+TextoutputLabel::TextoutputLabel()
+{
+	QFont font;
+	font.setPointSize(48);
+	font.setBold(true);
+	this->setFont(font);
+	this->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+	this->setAlignment(Qt::AlignCenter);
+	this->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
+}
+
+void TextoutputLabel::setText(const QString &text)
+{
+	QLabel::setText(text);
+	QFont currentFont = this->font();
+	int calculatedPointSize = currentFont.pointSize();
+	QFontMetrics fm(currentFont);
+	int contentWidth = this->contentsRect().width() - this->margin();
+	while(calculatedPointSize < 48 && fm.boundingRect(this->text()).width() < contentWidth)
+	{
+		calculatedPointSize += 1;
+		currentFont.setPointSize(calculatedPointSize);
+		fm = QFontMetrics(currentFont);
+	}
+	while(fm.boundingRect(this->text()).width() >= contentWidth)
+	{
+		calculatedPointSize -= 1;
+		currentFont.setPointSize(calculatedPointSize);
+		fm = QFontMetrics(currentFont);
+	}
+	this->setFont(currentFont);
+}
+
+
+

textoutputlabel.h

@@ -0,0 +1,14 @@
+#ifndef TEXTOUTPUTLABEL_H
+#define TEXTOUTPUTLABEL_H
+#include <QLabel>
+
+class TextoutputLabel : public QLabel
+{
+public:
+	TextoutputLabel();
+	virtual void setText(const QString &text);
+
+
+};
+
+#endif // TEXTOUTPUTLABEL_H

window.cpp

@@ -30,6 +30,7 @@
 
 #include "entryprovider.h"
 #include "window.h"
+
 Window::Window(EntryProvider &entryProvider, SettingsProvider &configProvider)
 {
 	this->entryProvider = &entryProvider;
@@ -38,13 +39,7 @@ Window::Window(EntryProvider &entryProvider, SettingsProvider &configProvider)
 	initFromConfig();
 	this->lineEdit->installEventFilter(this);
 	this->setAcceptDrops(true);
-	QFont font;
-	font.setPointSize(48);
-	font.setBold(true);
-	calculationResultLabel.setFont(font);
-	calculationResultLabel.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-	calculationResultLabel.setAlignment(Qt::AlignCenter);
-	calculationResultLabel.setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
+
 	connect(&calculationResultLabel, &QLabel::customContextMenuRequested, this,
 			&Window::showCalculationResultContextMenu);
 }
@@ -59,6 +54,7 @@ void Window::initFromConfig()
 	{
 		this->userEntryButtons = generateEntryButtons(entryProvider->getUserEntries());
 		this->systemEntryButtons = generateEntryButtons(entryProvider->getSystemEntries());
+		this->specialCommands = settingsProvider->specialCommands();
 	}
 	catch(const ConfigFormatException &e)
 	{
@@ -287,35 +283,23 @@ void Window::clearGrid()
 	buttonsInGrid.clear();
 }
 
-void Window::addCalcResult(const QString &expression)
+void Window::showGrowingOutputText(QString text)
 {
 	clearGrid();
-	currentCalculationResult = calcEngine.evaluate(expression);
-	QString labelText = expression + ": " + currentCalculationResult;
-	calculationResultLabel.setText(labelText);
+	calculationResultLabel.setText(text);
 	calculationResultLabel.setVisible(true);
 
-	QFont currentFont = calculationResultLabel.font();
-	int calculatedPointSize = currentFont.pointSize();
-	QFontMetrics fm(currentFont);
-	int contentWidth = calculationResultLabel.contentsRect().width() - calculationResultLabel.margin();
-	while(calculatedPointSize < 48 && fm.boundingRect(labelText).width() < contentWidth)
-	{
-		calculatedPointSize += 1;
-		currentFont.setPointSize(calculatedPointSize);
-		fm = QFontMetrics(currentFont);
-	}
-	while(fm.boundingRect(labelText).width() >= contentWidth)
-	{
-		calculatedPointSize -= 1;
-		currentFont.setPointSize(calculatedPointSize);
-		fm = QFontMetrics(currentFont);
-	}
 
-	calculationResultLabel.setFont(currentFont);
 
 	grid->addWidget(&calculationResultLabel, 0, 0);
 }
+void Window::addCalcResult(const QString &expression)
+{
+	currentCalculationResult = calcEngine.evaluate(expression);
+	QString labelText = expression + ": " + currentCalculationResult;
+	showGrowingOutputText(labelText);
+
+}
 
 // main problem here there is no easy event compression (clearing emit queue and only processing the last one)
 void Window::lineEditTextChanged(QString text)
@@ -336,14 +320,18 @@ void Window::lineEditTextChanged(QString text)
 		addPATHSuggestion(text);
 		if(this->grid->count() == 0)
 		{
-			QStringList arguments = text.split(" ");
+			QStringList arguments = QProcess::splitCommand(text);
+			QString command = arguments[0];
+			auto specialCommandConfig = getSpecialCommandConfig(command);
+			if(specialCommandConfig)
+			{
+				executeSpecialCommand(specialCommandConfig.value(), arguments);
+				return;
+			}
 			EntryConfig e;
 			e.name = "Execute: " + text;
-			if(arguments.length() > 1)
-			{
-				e.arguments = arguments.mid(1);
-			}
-			e.command = arguments[0];
+			e.command = command;
+			e.arguments = arguments;
 			e.iconPath = "utilities-terminal";
 			e.type = EntryType::DYNAMIC;
 
@@ -425,6 +413,28 @@ int Window::rankConfig(const EntryConfig &config, QString filter) const
 	return -1;
 }
 
+std::optional<SpecialCommandConfig> Window::getSpecialCommandConfig(QString cmd) const
+{
+	SpecialCommandConfig result;
+	for(const SpecialCommandConfig &config : this->specialCommands)
+	{
+		if(config.command == cmd)
+		{
+			return config;
+		}
+	}
+	return { };
+}
+
+void Window::executeSpecialCommand(const SpecialCommandConfig &config, QStringList arguments)
+{
+	QProcess process;
+	process.start(config.command, arguments.mid(1));
+	process.waitForFinished();
+	QString result = process.readAllStandardOutput();
+	showGrowingOutputText(result);
+}
+
 void Window::filterGridFor(QString filter)
 {
 	if(filter.length() > 0)

window.h

@@ -36,6 +36,8 @@
 #include "entrypushbutton.h"
 #include "calculationengine.h"
 #include "settingsprovider.h"
+#include "specialcommandconfig.h"
+#include "textoutputlabel.h"
 
 class RankedButton
 {
@@ -59,7 +61,8 @@ class Window : public QWidget
 	QVector<EntryPushButton *> userEntryButtons;
 	QVector<EntryPushButton *> systemEntryButtons;
 	QVector<EntryPushButton *> buttonsInGrid;
-	QLabel calculationResultLabel;
+	QVector<SpecialCommandConfig> specialCommands;
+	TextoutputLabel calculationResultLabel;
 	QString currentCalculationResult;
 	QString queuedFileSearch;
 	QString queuedContentSearch;
@@ -85,7 +88,10 @@ class Window : public QWidget
 	void closeWindow();
 	std::pair<int, int> getNextFreeCell();
 	int rankConfig(const EntryConfig &config, QString filter) const;
-  private slots:
+	std::optional<SpecialCommandConfig> getSpecialCommandConfig(QString cmd) const;
+	void executeSpecialCommand(const SpecialCommandConfig &config, QStringList arguments);
+	void showGrowingOutputText(QString text);
+private slots:
 	void lineEditReturnPressed();
 	void showCalculationResultContextMenu(const QPoint &point);