Store settings in an INI file

LameXP.vcproj

@@ -337,6 +337,10 @@
 				RelativePath=".\src\Model_MetaInfo.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\src\Model_Settings.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\src\Thread_FileAnalyzer.cpp"
 				>
@@ -366,6 +370,36 @@
 			<File
 				RelativePath=".\src\Dialog_About.h"
 				>
+				<FileConfiguration
+					Name="Debug|Win32"
+					>
+					<Tool
+						Name="VCCustomBuildTool"
+						Description="MOC &quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot;"
+						CommandLine="&quot;$(QTDIR)\bin\moc.exe&quot; -o &quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot; &quot;$(InputPath)&quot;"
+						Outputs="&quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot;"
+					/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32"
+					>
+					<Tool
+						Name="VCCustomBuildTool"
+						Description="MOC &quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot;"
+						CommandLine="&quot;$(QTDIR)\bin\moc.exe&quot; -o &quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot; &quot;$(InputPath)&quot;"
+						Outputs="&quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot;"
+					/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release_Static|Win32"
+					>
+					<Tool
+						Name="VCCustomBuildTool"
+						Description="MOC &quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot;"
+						CommandLine="&quot;$(QTDIR)\bin\moc.exe&quot; -o &quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot; &quot;$(InputPath)&quot;"
+						Outputs="&quot;$(SolutionDir)tmp\MOC_$(SafeInputName).cpp&quot;"
+					/>
+				</FileConfiguration>
 			</File>
 			<File
 				RelativePath=".\src\Dialog_MainWindow.h"
@@ -587,6 +621,10 @@
 					/>
 				</FileConfiguration>
 			</File>
+			<File
+				RelativePath=".\src\Model_Settings.h"
+				>
+			</File>
 			<File
 				RelativePath=".\src\Resource.h"
 				>
@@ -737,6 +775,10 @@
 			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
 			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
 			>
+			<File
+				RelativePath=".\tmp\MOC_Dialog_About.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\tmp\MOC_Dialog_MainWindow.cpp"
 				>

src/Dialog_About.cpp

@@ -31,6 +31,7 @@
 #include <QPushButton>
 #include <QDesktopServices>
 #include <QUrl>
+#include <QTimer>
 
 //Win32 includes
 #include <Windows.h>
@@ -80,6 +81,8 @@ AboutDialog::AboutDialog(QWidget *parent, bool firstStart)
 		QPushButton *firstButton = addButton("Show License Text", QMessageBox::AcceptRole);
 		firstButton->setIcon(QIcon(":/icons/script_edit.png"));
 		firstButton->setMinimumWidth(135);
+		firstButton->disconnect();
+		connect(firstButton, SIGNAL(clicked()), this, SLOT(openLicenseText()));
 
 		QPushButton *secondButton = addButton("Accept License", QMessageBox::AcceptRole);
 		secondButton->setIcon(QIcon(":/icons/accept.png"));
@@ -88,16 +91,21 @@ AboutDialog::AboutDialog(QWidget *parent, bool firstStart)
 		QPushButton *thirdButton = addButton("Decline License", QMessageBox::AcceptRole);
 		thirdButton->setIcon(QIcon(":/icons/delete.png"));
 		thirdButton->setMinimumWidth(120);
+		thirdButton->setEnabled(false);
 	}
 	else
 	{
 		QPushButton *firstButton = addButton("More About...", QMessageBox::AcceptRole);
 		firstButton->setIcon(QIcon(":/icons/information.png"));
 		firstButton->setMinimumWidth(120);
+		firstButton->disconnect();
+		connect(firstButton, SIGNAL(clicked()), this, SLOT(showMoreAbout()));
 
 		QPushButton *secondButton = addButton("About Qt...", QMessageBox::AcceptRole);
 		secondButton->setIcon(QIcon(":/images/Qt.svg"));
 		secondButton->setMinimumWidth(120);
+		secondButton->disconnect();
+		connect(secondButton, SIGNAL(clicked()), this, SLOT(showAboutQt()));
 
 		QPushButton *thirdButton = addButton("Discard", QMessageBox::AcceptRole);
 		thirdButton->setIcon(QIcon(":/icons/cross.png"));
@@ -119,49 +127,47 @@ int AboutDialog::exec()
 {
 	PlaySound(MAKEINTRESOURCE(IDR_WAVE_ABOUT), GetModuleHandle(NULL), SND_RESOURCE | SND_ASYNC);
 	
-	if(m_firstShow)
+	switch(QMessageBox::exec())
 	{
-		while(1)
+	case 1:
-		{
+		return 1;
-			switch(QMessageBox::exec())
+		break;
-			{
+	case 2:
-			case 0:
+		return -1;
-				QDesktopServices::openUrl(QUrl("http://www.gnu.org/licenses/gpl-2.0.txt"));
+		break;
-				break;
+	default:
-			case 1:
+		return 0;
-				return 1;
+		break;
-				break;
-			default:
-				return -1;
-			}
-		}
 	}
-	else
-	{
-		while(1)
-		{
-			switch(QMessageBox::exec())
-			{
-			case 0:
-				showMoreAbout();
-				break;
-			case 1:
-				QMessageBox::aboutQt(dynamic_cast<QWidget*>(this->parent()));
-				break;
-			default:
-				return 0;
-			}
-		}
-	}
-
-	return 0;
 }
 
 ////////////////////////////////////////////////////////////
-// Private Functions
+// Slots
 ////////////////////////////////////////////////////////////
 
-void AboutDialog::showMoreAbout()
+void AboutDialog::enableButtons(void)
+{
+	const QList<QAbstractButton*> buttonList = buttons();
+	
+	for(int i = 0; i < buttonList.count(); i++)
+	{
+		buttonList.at(i)->setEnabled(true);
+	}
+
+	setCursor(QCursor(Qt::ArrowCursor));
+}
+
+void AboutDialog::openLicenseText(void)
+{
+	QDesktopServices::openUrl(QUrl("http://www.gnu.org/licenses/gpl-2.0.txt"));
+}
+
+void AboutDialog::showAboutQt(void)
+{
+	QMessageBox::aboutQt(this);
+}
+
+void AboutDialog::showMoreAbout(void)
 {
 	QString moreAboutText;
 	moreAboutText += "<h3>The following third-party software is used in LameXP:</h3>";
@@ -184,7 +190,7 @@ void AboutDialog::showMoreAbout()
 	moreAboutText += LINK("http://mediainfo.sourceforge.net/");
 	moreAboutText += "<br></ul></div>";
 
-	QMessageBox *moreAboutBox = new QMessageBox(dynamic_cast<QWidget*>(this->parent()));
+	QMessageBox *moreAboutBox = new QMessageBox(this);
 	moreAboutBox->setText(moreAboutText);
 	moreAboutBox->setIconPixmap(dynamic_cast<QApplication*>(QApplication::instance())->windowIcon().pixmap(QSize(64,64)));
 
@@ -197,3 +203,28 @@ void AboutDialog::showMoreAbout()
 				
 	LAMEXP_DELETE(moreAboutBox);
 }
+
+////////////////////////////////////////////////////////////
+// Protected Functions
+////////////////////////////////////////////////////////////
+
+void AboutDialog::showEvent(QShowEvent *e)
+{
+	QDialog::showEvent(e);
+	if(m_firstShow)
+	{
+		const QList<QAbstractButton*> buttonList = buttons();
+
+		for(int i = 1; i < buttonList.count(); i++)
+		{
+			buttonList.at(i)->setEnabled(false);
+		}
+
+		QTimer::singleShot(5000, this, SLOT(enableButtons()));
+		setCursor(QCursor(Qt::WaitCursor));
+	}
+}
+
+////////////////////////////////////////////////////////////
+// Private Functions
+////////////////////////////////////////////////////////////

src/Dialog_About.h

@@ -24,15 +24,24 @@
 
 class AboutDialog : public QMessageBox
 {
+	Q_OBJECT
+
 public:
 	AboutDialog(QWidget *parent = 0, bool firstStart = false);
 	~AboutDialog(void);
 
-public slots:
-	int exec();
 	static const char *neroAacUrl;
 
+public slots:
+	int exec();
+	void enableButtons(void);
+	void openLicenseText(void);
+	void showMoreAbout(void);
+	void showAboutQt(void);
+
+protected:
+	void showEvent(QShowEvent *e);
+
 private:
-	void AboutDialog::showMoreAbout();
 	bool m_firstShow;
 };

src/Dialog_MainWindow.cpp

@@ -30,6 +30,7 @@
 #include "Thread_FileAnalyzer.h"
 #include "Thread_MessageHandler.h"
 #include "Model_MetaInfo.h"
+#include "Model_Settings.h"
 
 //Qt includes
 #include <QMessageBox>
@@ -78,6 +79,9 @@ MainWindow::MainWindow(QWidget *parent)
 		setWindowTitle(windowTitle().append(" [DEMO VERSION]"));
 	}
 
+	//Load configuration
+	m_settings = new SettingsModel();
+
 	//Enabled main buttons
 	connect(buttonAbout, SIGNAL(clicked()), this, SLOT(aboutButtonClicked()));
 	connect(buttonStart, SIGNAL(clicked()), this, SLOT(encodeButtonClicked()));
@@ -214,6 +218,7 @@ MainWindow::~MainWindow(void)
 	LAMEXP_DELETE(m_delayedFileTimer);
 	LAMEXP_DELETE(m_metaData);
 	LAMEXP_DELETE(m_metaInfoModel);
+	LAMEXP_DELETE(m_settings);
 }
 
 ////////////////////////////////////////////////////////////
@@ -269,14 +274,26 @@ void MainWindow::windowShown(void)
 {
 	QStringList arguments = QApplication::arguments();
 
-	AboutDialog *about = new AboutDialog(this, true);
+	if(m_settings->licenseAccepted() <= 0)
-	int iAccepted = about->exec();
-	LAMEXP_DELETE(about);
-
-	if(iAccepted <= 0)
 	{
-		QApplication::quit();
+		int iAccepted = -1;
-		return;
+
+		if(m_settings->licenseAccepted() == 0)
+		{
+			AboutDialog *about = new AboutDialog(this, true);
+			iAccepted = about->exec();
+			LAMEXP_DELETE(about);
+		}
+
+		if(iAccepted <= 0)
+		{
+			m_settings->setLicenseAccepted(-1);
+			QMessageBox::critical(this, "License Declined", "You have declined the license. Consequently the application will exit now!");
+			QApplication::quit();
+			return;
+		}
+
+		m_settings->setLicenseAccepted(1);
 	}
 	
 	//Check for AAC support

src/Dialog_MainWindow.h

@@ -31,6 +31,7 @@ class WorkingBanner;
 class MessageHandlerThread;
 class AudioFileModel;
 class MetaInfoModel;
+class SettingsModel;
 
 class MainWindow: public QMainWindow, private Ui::MainWindow
 {
@@ -84,4 +85,5 @@ private:
 	QTimer *m_delayedFileTimer;
 	AudioFileModel *m_metaData;
 	MetaInfoModel *m_metaInfoModel;
+	SettingsModel *m_settings;
 };

src/Model_Settings.cpp

@@ -0,0 +1,60 @@
+///////////////////////////////////////////////////////////////////////////////
+// LameXP - Audio Encoder Front-End
+// Copyright (C) 2004-2010 LoRd_MuldeR <MuldeR2@GMX.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// http://www.gnu.org/licenses/gpl-2.0.txt
+///////////////////////////////////////////////////////////////////////////////
+
+#include "Model_Settings.h"
+
+#include "Global.h"
+
+#include <QSettings>
+#include <QDesktopServices>
+#include <QApplication>
+
+static const char *g_settingsVersionNumber = "VersionNumber";
+static const char *g_settingsLicenseAccepted = "LicenseAccepted";
+
+////////////////////////////////////////////////////////////
+// Constructor
+////////////////////////////////////////////////////////////
+
+SettingsModel::SettingsModel(void)
+{
+	qDebug(QDesktopServices::storageLocation(QDesktopServices::DataLocation).toUtf8().constData());
+	m_settings = new QSettings(QDesktopServices::storageLocation(QDesktopServices::DataLocation).append("/config.ini"), QSettings::IniFormat);
+	m_settings->beginGroup(QString().sprintf("LameXP_%u%02u%05u", lamexp_version_major(), lamexp_version_minor(), lamexp_version_build()));
+	m_settings->setValue(g_settingsVersionNumber, QApplication::applicationVersion());
+	m_settings->sync();
+}
+
+////////////////////////////////////////////////////////////
+// Destructor
+////////////////////////////////////////////////////////////
+
+SettingsModel::~SettingsModel(void)
+{
+	LAMEXP_DELETE(m_settings);
+}
+
+////////////////////////////////////////////////////////////
+// Public Functions
+////////////////////////////////////////////////////////////
+
+int SettingsModel::licenseAccepted(void) { return m_settings->value(g_settingsLicenseAccepted, 0).toInt(); }
+void SettingsModel::setLicenseAccepted(int value) { m_settings->setValue(g_settingsLicenseAccepted, value); }

src/Model_Settings.h

@@ -0,0 +1,40 @@
+///////////////////////////////////////////////////////////////////////////////
+// LameXP - Audio Encoder Front-End
+// Copyright (C) 2004-2010 LoRd_MuldeR <MuldeR2@GMX.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// http://www.gnu.org/licenses/gpl-2.0.txt
+///////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+class QSettings;
+
+class SettingsModel
+{
+public:
+	SettingsModel(void);
+	~SettingsModel(void);
+
+	//Getters
+	int licenseAccepted(void);
+
+	//Setters
+	void setLicenseAccepted(int value);
+
+private:
+	QSettings *m_settings;
+};