Added code to load last open file or an example or an untitled file.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

3 files changed, 227 insertions, 226 deletions

diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index a3480c7..ab3040d 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -37,6 +37,9 @@
 #include <tqaction.h>
 #include <tqapplication.h>
 #include <tqcheckbox.h>
+#include <tqcursor.h>
+#include <tqfile.h>
+#include <tqfileinfo.h>
 #include <tqlabel.h>
 #include <tqlocale.h>
 #include <tqmessagebox.h>
@@ -44,6 +47,7 @@
 #include <tqpopupmenu.h>
 #include <tqpushbutton.h>
 #include <tqstatusbar.h>
+#include <tqtextcodec.h>
 #include <tqtranslator.h>
 ///-- #include <tqwidget.h>
 ///-- #include <tqstring.h>
@@ -57,7 +61,6 @@
 ///-- #include <tqcloseevent.h>
 ///-- #include <tqhelpevent.h>
 ///-- #include <tqtooltip.h>
-///-- #include <tqtextcodec.h>
 ///-- #include <tqdate.h>
 ///-- #include <tqurl.h>
 ///-- #include <tqtdebug.h>
@@ -87,7 +90,8 @@ MainWindow::MainWindow(TQString file2OpenOnStart, TQWidget *parent) :
         MainWindowBase(parent), m_aboutDialog(nullptr), m_qSciSourceCodeEditor(nullptr),
         m_qTranslator(nullptr), m_uiGuiTranslator(nullptr), m_textEditLineColumnInfoLabel(nullptr),
         m_oldLinesNumber(0), m_encodingsList(), m_encodingActionGroup(nullptr),
-				m_saveEncodedActionGroup(nullptr), m_highlighterActionGroup(nullptr)
+        m_saveEncodedActionGroup(nullptr), m_highlighterActionGroup(nullptr),
+        m_documentModified(false)
 ///- 		_mainWindowForm(nullptr), _settings(nullptr)
 ///- 		m_highlighter(nullptr), _aboutDialogGraphicsView(nullptr), _settingsDialog(nullptr)
 ///- 		m_textEditVScrollBar(nullptr), _toolBarWidget(nullptr), _indentHandler(nullptr)
@@ -131,21 +135,20 @@ MainWindow::MainWindow(TQString file2OpenOnStart, TQWidget *parent) :
 ///--	_settingsDialog = new UiGuiSettingsDialog(this, _settings);
 ///--	connect(actionShowSettings, SIGNAL(activated()), _settingsDialog,
 ///--	        SLOT(showDialog()));
-///--
-///--	// If a file that should be opened on start has been handed over to the constructor exists, load
-///--	// it
-///--	if (TQFile::exists(file2OpenOnStart))
-///--	{
-///--		openSourceFileDialog(file2OpenOnStart);
-///--	}
-///--	// Otherwise load the last opened file, if this is enabled in the settings.
-///--	else
-///--	{
-///--		loadLastOpenedFile();
-///--	}
-///--
-///--	updateSourceView();
-///--
+
+	if (TQFile::exists(file2OpenOnStart))
+	{
+		// If a file that should be opened on start exists, load it
+		openSourceFileDialog(file2OpenOnStart);
+	}
+	else
+	{
+		// Otherwise load the last opened file, if this is enabled in the settings.
+		loadLastOpenedFile();
+	}
+
+	updateSourceView();
+
 ///--	// Enable accept dropping of files.
 ///--	setAcceptDrops(true);
 }
@@ -249,6 +252,8 @@ void MainWindow::initMainWindow()
 ///-- 	//connect( _settings, SIGNAL(recentlyOpenedListSize(int)), this, SLOT(updateRecentlyOpenedList())
 ///-- 	// );
 ///-- 	_settings->registerObjectSlot(this, "updateRecentlyOpenedList()", "recentlyOpenedListSize");
+
+	updateWindowTitle();
 }
 
 /*
@@ -455,7 +460,7 @@ void MainWindow::initIndenter()
 ///-- 
 ///-- 	// Set this true, so the indenter is called at first program start
 ///-- 	_indentSettingsChanged = true;
-///-- 	_previewToggled = true;
+///-- 	m_previewToggled = true;
 ///-- 
 ///-- 	// Handle if indenter parameter tool tips are enabled
 ///-- 	_settings->registerObjectProperty(actionIndenterParameterTooltipsEnabled,
@@ -465,37 +470,37 @@ void MainWindow::initIndenter()
 ///-- 	_mainWindowForm->menuIndenter->addActions(_indentHandler->getIndenterMenuActions());
 }
 
-///-- /*
-///--     \brief Tries to load the by \a filePath defined file and returns its content as TQString.
-///-- 
-///--     If the file could not be loaded a error dialog will be shown.
-///--  */
-///-- TQString MainWindow::loadFile(TQString filePath)
-///-- {
-///-- 	TQFile   inSrcFile(filePath);
-///-- 	TQString fileContent = "";
-///-- 
-///-- 	if (!inSrcFile.open(TQFile::ReadOnly | TQFile::Text))
-///-- 	{
-///-- 		TQMessageBox::warning(NULL, tr("Error opening file"), tr(
-///-- 							"Cannot read the file ") + "\"" + filePath + "\".");
-///-- 	}
-///-- 	else
-///-- 	{
-///-- 		TQTextStream inSrcStrm(&inSrcFile);
-///-- 		TQApplication::setOverrideCursor(TQt::WaitCursor);
-///-- 		inSrcStrm.setCodec(TQTextCodec::codecForName(m_currentEncoding.toAscii()));
-///-- 		fileContent = inSrcStrm.readAll();
-///-- 		TQApplication::restoreOverrideCursor();
-///-- 		inSrcFile.close();
-///-- 
-///-- 		TQFileInfo fileInfo(filePath);
-///-- 		_currentSourceFileExtension = fileInfo.suffix();
-///-- 		int indexOfHighlighter = _highlighter->setLexerForExtension(_currentSourceFileExtension);
+/*
+    \brief Tries to load the by \a filePath defined file and returns its content as TQString.
+
+    If the file could not be loaded a error dialog will be shown.
+ */
+TQString MainWindow::loadFile(const TQString &filePath)
+{
+	TQFile   inSrcFile(filePath);
+	TQString fileContent = "";
+
+	if (!inSrcFile.open(IO_ReadOnly | IO_Translate))
+	{
+		TQMessageBox::warning(nullptr, tr("Error opening file"),
+		        tr("Cannot read the file ") + "\"" + filePath + "\".");
+	}
+	else
+	{
+		TQTextStream inSrcStream(&inSrcFile);
+		TQApplication::setOverrideCursor(TQt::WaitCursor);
+		inSrcStream.setCodec(TQTextCodec::codecForName(m_currentEncoding.ascii()));
+		fileContent = inSrcStream.read();
+		TQApplication::restoreOverrideCursor();
+		inSrcFile.close();
+
+		TQFileInfo fileInfo(filePath);
+		m_currentSourceFileExtension = fileInfo.extension(false);
+///-- 		int indexOfHighlighter = _highlighter->setLexerForExtension(m_currentSourceFileExtension);
 ///-- 		m_highlighterActionGroup->actions().at(indexOfHighlighter)->setChecked(true);
-///-- 	}
-///-- 	return fileContent;
-///-- }
+	}
+	return fileContent;
+}
 
 /*
     \brief Calls the source file open dialog to load a source file for the formatting preview.
@@ -518,32 +523,32 @@ void MainWindow::openSourceFileDialog(TQString fileName)
 ///-- 	if (fileName.isEmpty())
 ///-- 	{
 ///-- 		fileName = TQFileDialog::getOpenFileName(this, tr(
-///-- 							"Choose source code file"), _currentSourceFile, fileExtensions);
+///-- 							"Choose source code file"), m_currentSourceFile, fileExtensions);
 ///-- 	}
 ///-- 
 ///-- 	if (fileName != "")
 ///-- 	{
-///-- 		_currentSourceFile = fileName;
+///-- 		m_currentSourceFile = fileName;
 ///-- 		TQFileInfo fileInfo(fileName);
-///-- 		_currentSourceFileExtension = fileInfo.suffix();
+///-- 		m_currentSourceFileExtension = fileInfo.suffix();
 ///-- 
 ///-- 		openedSourceFileContent = loadFile(fileName);
-///-- 		_sourceFileContent      = openedSourceFileContent;
+///-- 		m_sourceFileContent      = openedSourceFileContent;
 ///-- 		if (m_toolBarWidget->cbLivePreview->isChecked())
 ///-- 		{
 ///-- 			callIndenter();
 ///-- 		}
 ///-- 		m_sourceCodeChanged = true;
-///-- 		_previewToggled    = true;
+///-- 		m_previewToggled    = true;
 ///-- 		updateSourceView();
 ///-- 		updateWindowTitle();
 ///-- 		updateRecentlyOpenedList();
 ///-- 		_textEditLastScrollPos = 0;
 ///-- 		m_textEditVScrollBar->setValue(_textEditLastScrollPos);
 ///-- 
-///-- 		_savedSourceContent = openedSourceFileContent;
+///-- 		m_savedSourceContent = openedSourceFileContent;
 ///-- 		m_qSciSourceCodeEditor->setModified(false);
-///-- 		setWindowModified(false);
+///-- 		m_documentModified = false;
 ///-- 	}
 }
 
@@ -560,7 +565,7 @@ bool MainWindow::saveasSourceFileDialog(TQAction *chosenEncodingAction)
 ///-- 	//TQString openedSourceFileContent = openFileDialog( tr("Choose source code file"), "./",
 ///-- 	// fileExtensions );
 ///-- 	TQString fileName = TQFileDialog::getSaveFileName(this, tr(
-///-- 						"Save source code file"), _currentSourceFile, fileExtensions);
+///-- 						"Save source code file"), m_currentSourceFile, fileExtensions);
 ///-- 
 ///-- 	// Saving has been canceled if the filename is empty
 ///-- 	if (fileName.isEmpty())
@@ -568,9 +573,9 @@ bool MainWindow::saveasSourceFileDialog(TQAction *chosenEncodingAction)
 ///-- 		return false;
 ///-- 	}
 ///-- 
-///-- 	_savedSourceContent = m_qSciSourceCodeEditor->text();
+///-- 	m_savedSourceContent = m_qSciSourceCodeEditor->text();
 ///-- 
-///-- 	_currentSourceFile = fileName;
+///-- 	m_currentSourceFile = fileName;
 ///-- 	TQFile::remove(fileName);
 ///-- 	TQFile outSrcFile(fileName);
 ///-- 	outSrcFile.open(TQFile::ReadWrite | TQFile::Text);
@@ -586,16 +591,16 @@ bool MainWindow::saveasSourceFileDialog(TQAction *chosenEncodingAction)
 ///-- 	}
 ///-- 	TQTextStream outSrcStrm(&outSrcFile);
 ///-- 	outSrcStrm.setCodec(TQTextCodec::codecForName(encoding.toAscii()));
-///-- 	outSrcStrm << _savedSourceContent;
+///-- 	outSrcStrm << m_savedSourceContent;
 ///-- 	outSrcFile.close();
 ///-- 
 ///-- 	TQFileInfo fileInfo(fileName);
-///-- 	_currentSourceFileExtension = fileInfo.suffix();
+///-- 	m_currentSourceFileExtension = fileInfo.suffix();
 ///-- 
 ///-- 	m_qSciSourceCodeEditor->setModified(false);
-///-- 	setWindowModified(false);
+///-- 	m_documentModified = false;
 ///-- 
-///-- 	updateWindowTitle();
+	updateWindowTitle();
 	return true;
 }
 
@@ -606,26 +611,26 @@ bool MainWindow::saveasSourceFileDialog(TQAction *chosenEncodingAction)
  */
 bool MainWindow::saveSourceFile()
 {
-///-- 	if (_currentSourceFile.isEmpty())
+///-- 	if (m_currentSourceFile.isEmpty())
 ///-- 	{
 ///-- 		return saveasSourceFileDialog();
 ///-- 	}
 ///-- 	else
 ///-- 	{
-///-- 		TQFile::remove(_currentSourceFile);
-///-- 		TQFile outSrcFile(_currentSourceFile);
-///-- 		_savedSourceContent = m_qSciSourceCodeEditor->text();
+///-- 		TQFile::remove(m_currentSourceFile);
+///-- 		TQFile outSrcFile(m_currentSourceFile);
+///-- 		m_savedSourceContent = m_qSciSourceCodeEditor->text();
 ///-- 		outSrcFile.open(TQFile::ReadWrite | TQFile::Text);
 ///-- 
 ///-- 		// Get current encoding.
 ///-- 		TQString     m_currentEncoding = m_encodingActionGroup->checkedAction()->text();
 ///-- 		TQTextStream outSrcStrm(&outSrcFile);
 ///-- 		outSrcStrm.setCodec(TQTextCodec::codecForName(m_currentEncoding.toAscii()));
-///-- 		outSrcStrm << _savedSourceContent;
+///-- 		outSrcStrm << m_savedSourceContent;
 ///-- 		outSrcFile.close();
 ///-- 
 ///-- 		m_qSciSourceCodeEditor->setModified(false);
-///-- 		setWindowModified(false);
+///-- 		m_documentModified = false;
 ///-- 	}
 	return true;
 }
@@ -650,42 +655,40 @@ bool MainWindow::saveSourceFile()
 ///-- 
 ///-- 	return fileContent;
 ///-- }
-///-- 
-///-- /*
-///--     \brief Updates the displaying of the source code.
-///-- 
-///--     Updates the text edit field, which is showing the loaded, and if preview is enabled formatted, source code.
-///--     Reassigns the line numbers and in case of switch between preview and none preview keeps the text field
-///--     at the same line number.
-///--  */
-///-- void MainWindow::updateSourceView()
-///-- {
+
+/*
+    \brief Updates the displaying of the source code.
+
+    Updates the text edit field, which is showing the loaded, and if preview is enabled formatted, source code.
+    Reassigns the line numbers and in case of switch between preview and none preview keeps the text field
+    at the same line number.
+ */
+void MainWindow::updateSourceView()
+{
 ///-- 	_textEditLastScrollPos = m_textEditVScrollBar->value();
-///-- 
-///-- 	if (m_toolBarWidget->cbLivePreview->isChecked())
-///-- 	{
-///-- 		_sourceViewContent = _sourceFormattedContent;
-///-- 	}
-///-- 	else
-///-- 	{
-///-- 		_sourceViewContent = _sourceFileContent;
-///-- 	}
-///-- 
-///-- 	if (_previewToggled)
-///-- 	{
-///-- 		disconnect(m_qSciSourceCodeEditor, SIGNAL(textChanged()), this,
-///-- 		        SLOT(sourceCodeChangedHelperSlot()));
-///-- 		bool textIsModified = isWindowModified();
-///-- 		m_qSciSourceCodeEditor->setText(_sourceViewContent);
-///-- 		setWindowModified(textIsModified);
-///-- 		_previewToggled = false;
-///-- 		connect(m_qSciSourceCodeEditor, SIGNAL(textChanged()), this,
-///-- 		        SLOT(sourceCodeChangedHelperSlot()));
-///-- 	}
-///-- 
+
+	if (m_toolBarWidget->cbLivePreview->isOn())
+	{
+		m_sourceViewContent = m_sourceFormattedContent;
+	}
+	else
+	{
+		m_sourceViewContent = m_sourceFileContent;
+	}
+
+	if (m_previewToggled)
+	{
+		disconnect(m_qSciSourceCodeEditor, SIGNAL(textChanged()),
+		        this, SLOT(sourceCodeChangedHelperSlot()));
+		m_qSciSourceCodeEditor->setText(m_sourceViewContent);
+		m_previewToggled = false;
+		connect(m_qSciSourceCodeEditor, SIGNAL(textChanged()),
+		        this, SLOT(sourceCodeChangedHelperSlot()));
+	}
+
 ///-- 	m_textEditVScrollBar->setValue(_textEditLastScrollPos);
-///-- }
-///-- 
+}
+
 ///-- /*
 ///--     \brief Calls the selected indenter with the currently loaded source code to retrieve the formatted source code.
 ///-- 
@@ -694,8 +697,8 @@ bool MainWindow::saveSourceFile()
 ///-- void MainWindow::callIndenter()
 ///-- {
 ///-- 	TQApplication::setOverrideCursor(TQCursor(TQt::WaitCursor));
-///-- 	_sourceFormattedContent = _indentHandler->callIndenter(_sourceFileContent,
-///-- 	        _currentSourceFileExtension);
+///-- 	m_sourceFormattedContent = _indentHandler->callIndenter(m_sourceFileContent,
+///-- 	        m_currentSourceFileExtension);
 ///-- 	//updateSourceView();
 ///-- 	TQApplication::restoreOverrideCursor();
 ///-- }
@@ -713,7 +716,7 @@ void MainWindow::turnHighlightOnOff(bool turnOn)
 ///-- 	{
 ///-- 		_highlighter->turnHighlightOff();
 ///-- 	}
-///-- 	_previewToggled = true;
+///-- 	m_previewToggled = true;
 ///-- 	updateSourceView();
 }
 
@@ -738,17 +741,17 @@ void MainWindow::sourceCodeChangedSlot()
 ///-- 	m_sourceCodeChanged = true;
 ///-- 
 ///-- 	// Get the content text of the text editor.
-///-- 	_sourceFileContent = m_qSciSourceCodeEditor->text();
+///-- 	m_sourceFileContent = m_qSciSourceCodeEditor->text();
 ///-- 
 ///-- 	// Get the position of the cursor in the unindented text.
-///-- 	if (_sourceFileContent.isEmpty())
+///-- 	if (m_sourceFileContent.isEmpty())
 ///-- 	{
 ///-- 		// Add this line feed, because AStyle has problems with a totally emtpy file.
-///-- 		_sourceFileContent += "\n";
+///-- 		m_sourceFileContent += "\n";
 ///-- 		cursorPosAbsolut    = 0;
 ///-- 		cursorPos        = 0;
 ///-- 		cursorLine       = 0;
-///-- 		enteredCharacter = _sourceFileContent.at(cursorPosAbsolut);
+///-- 		enteredCharacter = m_sourceFileContent.at(cursorPosAbsolut);
 ///-- 	}
 ///-- 	else
 ///-- 	{
@@ -763,14 +766,14 @@ void MainWindow::sourceCodeChangedSlot()
 ///-- 		{
 ///-- 			cursorPos--;
 ///-- 		}
-///-- 		enteredCharacter = _sourceFileContent.at(cursorPosAbsolut);
+///-- 		enteredCharacter = m_sourceFileContent.at(cursorPosAbsolut);
 ///-- 	}
 ///-- 
 ///-- 	// Call the indenter to reformat the text.
 ///-- 	if (m_toolBarWidget->cbLivePreview->isChecked())
 ///-- 	{
 ///-- 		callIndenter();
-///-- 		_previewToggled = true;
+///-- 		m_previewToggled = true;
 ///-- 	}
 ///-- 
 ///-- 	// Update the text editor.
@@ -859,15 +862,15 @@ void MainWindow::sourceCodeChangedSlot()
 ///-- 		m_sourceCodeChanged = false;
 ///-- 	}
 ///-- 
-///-- 	if (_savedSourceContent == m_qSciSourceCodeEditor->text())
+///-- 	if (m_savedSourceContent == m_qSciSourceCodeEditor->text())
 ///-- 	{
 ///-- 		m_qSciSourceCodeEditor->setModified(false);
-///-- 		setWindowModified(false);
+///-- 		m_documentModified = false;
 ///-- 	}
 ///-- 	else
 ///-- 	{
 ///-- 		m_qSciSourceCodeEditor->setModified(true); // Has no effect according to TQScintilla docs.
-///-- 		setWindowModified(true);
+///-- 		m_documentModified = true;
 ///-- 	}
 ///-- 
 ///-- 	// Could set cursor this way and use normal linear search in text instead of columns and rows.
@@ -891,7 +894,7 @@ void MainWindow::sourceCodeChangedSlot()
 ///-- 	if (m_toolBarWidget->cbLivePreview->isChecked())
 ///-- 	{
 ///-- 		callIndenter();
-///-- 		_previewToggled = true;
+///-- 		m_previewToggled = true;
 ///-- 
 ///-- 		updateSourceView();
 ///-- 		if (m_sourceCodeChanged)
@@ -912,15 +915,15 @@ void MainWindow::sourceCodeChangedSlot()
 ///-- 		updateSourceView();
 ///-- 	}
 ///-- 
-///-- 	if (_savedSourceContent == m_qSciSourceCodeEditor->text())
+///-- 	if (m_savedSourceContent == m_qSciSourceCodeEditor->text())
 ///-- 	{
 ///-- 		m_qSciSourceCodeEditor->setModified(false);
-///-- 		setWindowModified(false);
+///-- 		m_documentModified = false;
 ///-- 	}
 ///-- 	else
 ///-- 	{
 ///-- 		m_qSciSourceCodeEditor->setModified(true); // Has no effect according to TQScintilla docs.
-///-- 		setWindowModified(true);
+///-- 		m_documentModified = true;
 ///-- 	}
 ///-- }
 
@@ -932,7 +935,7 @@ void MainWindow::sourceCodeChangedSlot()
  */
 void MainWindow::previewTurnedOnOff(bool turnOn)
 {
-///-- 	_previewToggled = true;
+///-- 	m_previewToggled = true;
 ///-- 
 ///-- 	int cursorLine, cursorPos;
 ///-- 	m_qSciSourceCodeEditor->getCursorPosition(&cursorLine, &cursorPos);
@@ -955,26 +958,26 @@ void MainWindow::previewTurnedOnOff(bool turnOn)
 ///-- 	}
 ///-- 	_indentSettingsChanged = false;
 ///-- 
-///-- 	if (_savedSourceContent == m_qSciSourceCodeEditor->text())
+///-- 	if (m_savedSourceContent == m_qSciSourceCodeEditor->text())
 ///-- 	{
 ///-- 		m_qSciSourceCodeEditor->setModified(false);
-///-- 		setWindowModified(false);
+///-- 		m_documentModified = false;
 ///-- 	}
 ///-- 	else
 ///-- 	{
 ///-- 		m_qSciSourceCodeEditor->setModified(true);
-///-- 		setWindowModified(true);
+///-- 		m_documentModified = true;
 ///-- 	}
-///-- }
-///-- 
-///-- /*
-///--     \brief This slot updates the main window title to show the currently opened
-///--     source code filename.
-///--  */
-///-- void MainWindow::updateWindowTitle()
-///-- {
-///-- 	this->setWindowTitle("UniversalIndentGUI " + TQString(
-///-- 						PROGRAM_VERSION_STRING) + " [*]" + _currentSourceFile);
+}
+
+/*
+    \brief This slot updates the main window title to show the currently opened
+    source code filename.
+ */
+void MainWindow::updateWindowTitle()
+{
+	setCaption("UniversalIndentGUI (TQt) " + TQString(PROGRAM_VERSION_STRING) +
+	        " [*] " + m_currentSourceFile);
 }
 
 /*
@@ -984,7 +987,7 @@ void MainWindow::exportToPDF()
 {
 ///-- 	TQString fileExtensions = tr("PDF Document") + " (*.pdf)";
 ///-- 
-///-- 	TQString   fileName = _currentSourceFile;
+///-- 	TQString   fileName = m_currentSourceFile;
 ///-- 	TQFileInfo fileInfo(fileName);
 ///-- 	TQString   fileExtension = fileInfo.suffix();
 ///-- 
@@ -1008,7 +1011,7 @@ void MainWindow::exportToHTML()
 {
 ///-- 	TQString fileExtensions = tr("HTML Document") + " (*.html)";
 ///-- 
-///-- 	TQString   fileName = _currentSourceFile;
+///-- 	TQString   fileName = m_currentSourceFile;
 ///-- 	TQFileInfo fileInfo(fileName);
 ///-- 	TQString   fileExtension = fileInfo.suffix();
 ///-- 
@@ -1034,60 +1037,60 @@ void MainWindow::exportToHTML()
 ///-- 	}
 }
 
-///-- /*
-///--     \brief Loads the last opened file if this option is enabled in the _settings.
-///-- 
-///--     If the file does not exist, the default example file is tried to be loaded. If even that
-///--     fails a very small code example is shown.
-///--     If the setting for opening the last file is disabled, the editor is empty on startup.
-///-- */
-///-- void MainWindow::loadLastOpenedFile()
-///-- {
-///-- 	// Get setting for last opened source code file.
-///-- 	_loadLastSourceCodeFileOnStartup =
-///-- 	        _settings->getValueByName("loadLastSourceCodeFileOnStartup").toBool();
-///-- 
-///-- 	// Only load last source code file if set to do so
-///-- 	if (_loadLastSourceCodeFileOnStartup)
-///-- 	{
-///-- 		// From the list of last opened files get the first one.
-///-- 		_currentSourceFile =
-///-- 		        _settings->getValueByName("lastSourceCodeFile").toString().split("|").first();
-///-- 
-///-- 		// If source file exist load it.
-///-- 		if (TQFile::exists(_currentSourceFile))
-///-- 		{
-///-- 			TQFileInfo fileInfo(_currentSourceFile);
-///-- 			_currentSourceFile = fileInfo.absoluteFilePath();
-///-- 			_sourceFileContent = loadFile(_currentSourceFile);
-///-- 		}
-///-- 		// If the last opened source code file does not exist, try to load the default example.cpp file.
-///-- 		else if (TQFile::exists(SettingsPaths::getIndenterPath() + "/example.cpp"))
-///-- 		{
-///-- 			TQFileInfo fileInfo(SettingsPaths::getIndenterPath() + "/example.cpp");
-///-- 			_currentSourceFile = fileInfo.absoluteFilePath();
-///-- 			_sourceFileContent = loadFile(_currentSourceFile);
-///-- 		}
-///-- 		// If neither the example source code file exists show some small code example.
-///-- 		else
-///-- 		{
-///-- 			_currentSourceFile = "untitled.cpp";
-///-- 			_currentSourceFileExtension = "cpp";
-///-- 			_sourceFileContent = "if(x==\"y\"){x=z;}";
-///-- 		}
-///-- 	}
-///-- 	// if last opened source file should not be loaded make some default _settings.
-///-- 	else
-///-- 	{
-///-- 		_currentSourceFile = "untitled.cpp";
-///-- 		_currentSourceFileExtension = "cpp";
-///-- 		_sourceFileContent = "";
-///-- 	}
-///-- 	_savedSourceContent = _sourceFileContent;
-///-- 
-///-- 	// Update the mainwindow title to show the name of the loaded source code file.
-///-- 	updateWindowTitle();
-///-- }
+/*
+    \brief Loads the last opened file if this option is enabled in the settings.
+
+    If the file does not exist, the default example file is tried to be loaded.
+		If even that fails, a very small code example is shown.
+    If the setting for opening the last file is disabled, the editor is empty on startup.
+*/
+void MainWindow::loadLastOpenedFile()
+{
+	// Get setting for last opened source code file.
+	m_loadLastSourceCodeFileOnStartup =
+	        m_settings->getValueByName("LoadLastOpenedFileOnStartup").toBool();
+
+	// Only load last source code file if set to do so
+	if (m_loadLastSourceCodeFileOnStartup)
+	{
+		// From the list of last opened files get the first one.
+		TQString sourceFiles = m_settings->getValueByName("LastOpenedFiles").toString();
+		m_currentSourceFile = TQStringList::split("|", sourceFiles).first();
+
+		if (TQFile::exists(m_currentSourceFile))
+		{
+			// If source file exist load it.
+			TQFileInfo fileInfo(m_currentSourceFile);
+			m_currentSourceFile = fileInfo.absFilePath();
+			m_sourceFileContent = loadFile(m_currentSourceFile);
+		}
+		else if (TQFile::exists(SettingsPaths::getIndenterPath() + "/example.cpp"))
+		{
+			// If the last opened source code file does not exist, try to load the default example.cpp file.
+			TQFileInfo fileInfo(SettingsPaths::getIndenterPath() + "/example.cpp");
+			m_currentSourceFile = fileInfo.absFilePath();
+			m_sourceFileContent = loadFile(m_currentSourceFile);
+		}
+		else
+		{
+			// If neither the example source code file exists show some small code example.
+			m_currentSourceFile = "untitled.cpp";
+			m_currentSourceFileExtension = "cpp";
+			m_sourceFileContent = "if(x==\"y\"){x=z;}";
+		}
+	}
+	else
+	{
+		// if last opened source file should not be loaded make some default settings.
+		m_currentSourceFile = "untitled.cpp";
+		m_currentSourceFileExtension = "cpp";
+		m_sourceFileContent = "";
+	}
+	m_savedSourceContent = m_sourceFileContent;
+
+	// Update the mainwindow title to show the name of the loaded source code file.
+	updateWindowTitle();
+}
 
 /*
     \brief Saves the m_settings for the main application to the file "UniversalIndentGUI.ini".
@@ -1290,13 +1293,13 @@ void MainWindow::encodingChanged(TQAction *encodingAction)
 {
 ///-- 	if (maybeSave())
 ///-- 	{
-///-- 		TQFile   inSrcFile(_currentSourceFile);
+///-- 		TQFile   inSrcFile(m_currentSourceFile);
 ///-- 		TQString fileContent = "";
 ///-- 
 ///-- 		if (!inSrcFile.open(TQFile::ReadOnly | TQFile::Text))
 ///-- 		{
 ///-- 			TQMessageBox::warning(NULL, tr("Error opening file"), tr(
-///-- 								"Cannot read the file ") + "\"" + _currentSourceFile + "\".");
+///-- 								"Cannot read the file ") + "\"" + m_currentSourceFile + "\".");
 ///-- 		}
 ///-- 		else
 ///-- 		{
@@ -1449,7 +1452,7 @@ void MainWindow::updateRecentlyOpenedList()
 ///-- 	        _mainWindowForm->menuRecently_Opened_Files->actions();
 ///-- 
 ///-- 	// Check if the currently open file is in the list of recently opened.
-///-- 	int indexOfCurrentFile = recentlyOpenedList.indexOf(_currentSourceFile);
+///-- 	int indexOfCurrentFile = recentlyOpenedList.indexOf(m_currentSourceFile);
 ///-- 
 ///-- 	// If it is in the list of recently opened files and not at the first position, move it to the
 ///-- 	// first pos.
@@ -1459,12 +1462,12 @@ void MainWindow::updateRecentlyOpenedList()
 ///-- 		recentlyOpenedActionList.move(indexOfCurrentFile, 0);
 ///-- 	}
 ///-- 	// Put the current file at the first position if it not already is and is not empty.
-///-- 	else if (indexOfCurrentFile == -1 && !_currentSourceFile.isEmpty())
+///-- 	else if (indexOfCurrentFile == -1 && !m_currentSourceFile.isEmpty())
 ///-- 	{
-///-- 		recentlyOpenedList.insert(0, _currentSourceFile);
+///-- 		recentlyOpenedList.insert(0, m_currentSourceFile);
 ///-- 		TQAction *recentlyOpenedAction = new TQAction(TQFileInfo(
-///-- 							_currentSourceFile).fileName(), _mainWindowForm->menuRecently_Opened_Files);
-///-- 		recentlyOpenedAction->setStatusTip(_currentSourceFile);
+///-- 							m_currentSourceFile).fileName(), _mainWindowForm->menuRecently_Opened_Files);
+///-- 		recentlyOpenedAction->setStatusTip(m_currentSourceFile);
 ///-- 		recentlyOpenedActionList.insert(0, recentlyOpenedAction);
 ///-- 	}
 ///-- 
diff --git a/src/MainWindow.h b/src/MainWindow.h
index d00e141..773c1ec 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -58,7 +58,7 @@ class MainWindow : public MainWindowBase
 		bool saveasSourceFileDialog(TQAction *chosenEncodingAction = NULL);
 		void saveAsOtherEncoding(TQAction *chosenEncodingAction);
 ///-- 		void callIndenter();
-///-- 		void updateSourceView();
+		void updateSourceView();
 		void turnHighlightOnOff(bool turnOn);
 		void setWhiteSpaceVisibility(bool visible);
 		void sourceCodeChangedHelperSlot();
@@ -75,12 +75,12 @@ class MainWindow : public MainWindowBase
 		void clearRecentlyOpenedList();
 		void showAboutDialog();
 		void setStatusBarCursorPosInfo(int line, int column);
-///-- 
+
 	private:
-///-- 		TQString loadFile(TQString filePath);
+		TQString loadFile(const TQString &filePath);
 ///-- 		TQString openFileDialog(TQString dialogHeaderStr, TQString startPath, TQString fileMaskStr);
-///-- 		void     updateWindowTitle();
-///-- 		void     loadLastOpenedFile();
+		void     updateWindowTitle();
+		void     loadLastOpenedFile();
 		void     saveSettings();
 		bool     maybeSave();
 		void     createEncodingMenu();
@@ -94,41 +94,42 @@ class MainWindow : public MainWindowBase
 ///-- 		void     changeEvent(TQEvent *event);
 ///-- 		void     dragEnterEvent(TQDragEnterEvent *event);
 ///-- 		void     dropEvent(TQDropEvent *event);
-///-- 
+
 		TQextScintilla *m_qSciSourceCodeEditor;
 		UiGuiSettings  *m_settings;
-///-- 
-		TQString                 m_currentEncoding;
-///-- 		TQString                 _sourceFileContent;
-///-- 		TQString                 _sourceFormattedContent;
-///-- 		TQString                 _sourceViewContent;
+
+		TQString        m_currentEncoding;
+		TQString        m_sourceFileContent;
+		TQString        m_sourceFormattedContent;
+		TQString        m_sourceViewContent;
 ///-- 		UiGuiHighlighter        *m_highlighter;
 ///-- 		TQScrollBar             *m_textEditVScrollBar;
-		AboutDialog             *m_aboutDialog;
+		AboutDialog    *m_aboutDialog;
 ///-- 		AboutDialogGraphicsView *_aboutDialogGraphicsView;
 ///-- 		UiGuiSettingsDialog     *_settingsDialog;
 		int m_actionClearRecentlyOpenedListId;
 ///-- 		int            _textEditLastScrollPos;
 ///-- 		int            _currentIndenterID;
-		int            m_oldLinesNumber;
-///-- 		bool           _loadLastSourceCodeFileOnStartup;
-///-- 		TQString       _currentSourceFile;
-///-- 		TQString       _currentSourceFileExtension;
-///-- 		TQString       _savedSourceContent;
-		TQActionGroup *m_encodingActionGroup;
-		TQActionGroup *m_saveEncodedActionGroup;
-		TQActionGroup *m_highlighterActionGroup;
-		TQTranslator  *m_uiGuiTranslator;
-		TQTranslator  *m_qTranslator;
-///-- 
-		bool           m_sourceCodeChanged;
+		int             m_oldLinesNumber;
+		bool            m_loadLastSourceCodeFileOnStartup;
+		TQString        m_currentSourceFile;
+		TQString        m_currentSourceFileExtension;
+		TQString        m_savedSourceContent;
+		TQActionGroup  *m_encodingActionGroup;
+		TQActionGroup  *m_saveEncodedActionGroup;
+		TQActionGroup  *m_highlighterActionGroup;
+		TQTranslator   *m_uiGuiTranslator;
+		TQTranslator   *m_qTranslator;
+
+		bool            m_sourceCodeChanged;
 ///-- 		bool         _indentSettingsChanged;
-///-- 		bool         _previewToggled;
-		TQStringList   m_encodingsList;
+		bool            m_previewToggled;
+		bool            m_documentModified;
+		TQStringList    m_encodingsList;
 
-		ToolBarWidget *m_toolBarWidget;
+		ToolBarWidget  *m_toolBarWidget;
 ///-- 		IndentHandler     *_indentHandler;
-		TQLabel       *m_textEditLineColumnInfoLabel;
+		TQLabel        *m_textEditLineColumnInfoLabel;
 };
 
 #endif // MAINWINDOW_H
diff --git a/src/MainWindowBase.ui b/src/MainWindowBase.ui
index 676b6f1..6b55170 100755
--- a/src/MainWindowBase.ui
+++ b/src/MainWindowBase.ui
@@ -13,9 +13,6 @@
         <height>633</height>
       </rect>
     </property>
-    <property name="caption">
-      <string>UniversalIndentGUI (TQt)</string>
-    </property>
     <hbox>
       <property name="name">
         <cstring>centralWidget</cstring>