added "About BornAgain" dialog widget

GUI/coregui/mainwindow/aboutapplicationdialog.cpp

+#include "aboutapplicationdialog.h"
+#include "mainwindow_constants.h"
+#include <QLabel>
+#include <QHBoxLayout>
+#include <QVBoxLayout>
+#include <QPushButton>
+
+#include <iostream>
+
+AboutApplicationDialog::AboutApplicationDialog(QWidget *parent)
+    : QDialog(parent)
+
+{
+    QColor bgColor(240,240,240,255);
+    QPalette palette;
+    palette.setColor(QPalette::Background, bgColor);
+    setAutoFillBackground(true);
+    setPalette(palette);
+
+    setFixedSize(450, 230);
+    setWindowTitle("About BornAgain");
+
+    //setWindowFlags(Qt::Window | Qt::WindowTitleHint | Qt::WindowCloseButtonHint);
+    setWindowFlags( Qt::Dialog );
+
+
+    QFont titleFont;
+    titleFont.setPointSize(18);
+    titleFont.setBold(true);
+
+    QFont normalFont;
+    titleFont.setPointSize(14);
+    titleFont.setBold(false);
+
+
+    QPixmap logo(":/images/BornAgain.ico");
+    QLabel *logoLabel = new QLabel;
+    logoLabel->setPixmap(logo.scaled(120,120,Qt::KeepAspectRatio));
+
+
+    QLabel *aboutTitleLabel = new QLabel(QString(Constants::APPLICATION_NAME).append(" ").append(Constants::APPLICATION_VERSION));
+    aboutTitleLabel->setFont(titleFont);
+
+    QString description = "A software to simulate and fit grazing-incidence small-angle scattering (GISAS), using distorted-wave Born approximation (DWBA). The software equally supports neutron and x-ray scattering (GISANS and GISAXS).";
+    QLabel *descriptionLabel = new QLabel(description);
+    descriptionLabel->setFont(normalFont);
+    descriptionLabel->setWordWrap(true);
+
+    QVBoxLayout *logoLayout = new QVBoxLayout;
+    logoLayout->addWidget(logoLabel);
+    logoLayout->addStretch(1);
+    logoLayout->setContentsMargins(15,15,15,15);
+
+    QVBoxLayout *textLayout = new QVBoxLayout;
+    textLayout->addWidget(aboutTitleLabel);
+    textLayout->addWidget(descriptionLabel);
+    textLayout->addStretch(1);
+    textLayout->setContentsMargins(0,15,5,5);
+
+
+    QHBoxLayout *detailsLayout = new QHBoxLayout;
+    detailsLayout->addLayout(logoLayout);
+    detailsLayout->addLayout(textLayout);
+
+
+    m_closeButton = new QPushButton(tr("Close"));
+    connect(m_closeButton, SIGNAL(clicked()), this, SLOT(reject()));
+
+    QHBoxLayout *buttonsLayout = new QHBoxLayout;
+    buttonsLayout->addStretch(1);
+    buttonsLayout->addWidget(m_closeButton);
+
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->addLayout(detailsLayout);
+    mainLayout->addLayout(buttonsLayout);
+
+    setLayout(mainLayout);
+}
+
+

GUI/coregui/mainwindow/aboutapplicationdialog.h

+#ifndef ABOUTAPPLICATIONDIALOG_H
+#define ABOUTAPPLICATIONDIALOG_H
+
+#include "WinDllMacros.h"
+#include <QDialog>
+#include <QString>
+
+
+class QLabel;
+class QPushButton;
+class QStatusBar;
+class QPalette;
+
+
+//! new project dialog window
+class BA_CORE_API_ AboutApplicationDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    AboutApplicationDialog(QWidget *parent = 0);
+
+
+private:
+    QPushButton *m_closeButton;
+
+};
+
+
+#endif

GUI/coregui/mainwindow/actionmanager.cpp

@@ -65,6 +65,13 @@ void ActionManager::createActions()
     m_exitAction->setStatusTip(tr("Exit the application"));
     connect(m_exitAction, SIGNAL(triggered()), m_mainWindow, SLOT(close()));
 
+    // about application action
+    icon = QIcon::fromTheme(QLatin1String("help-about"));
+    m_aboutAction = new QAction(icon, tr("About &BornAgain"), this);
+    //m_aboutAction->setShortcuts(QKeySequence::HelpContents);
+    m_aboutAction->setStatusTip(tr("About the application"));
+    connect(m_aboutAction, SIGNAL(triggered()), m_mainWindow, SLOT(onAboutApplication()));
+
 }
 
 
@@ -91,6 +98,7 @@ void ActionManager::createMenus()
 
     // Help Menu
     m_helpMenu = m_menuBar->addMenu(tr("&Help"));
+    m_helpMenu->addAction(m_aboutAction);
 }
 
 

GUI/coregui/mainwindow/actionmanager.h

@@ -30,6 +30,7 @@ private:
     QAction *m_openAction;
     QAction *m_saveAction;
     QAction *m_exitAction;
+    QAction *m_aboutAction;
     QList<QAction *> m_recentProjectActions;
 
     QMenuBar *m_menuBar;

GUI/coregui/mainwindow/mainwindow.cpp

@@ -40,6 +40,7 @@
 #include "ScientificDoubleProperty.h"
 #include "SampleModel.h"
 #include "JobView.h"
+#include "aboutapplicationdialog.h"
 #include <boost/scoped_ptr.hpp>
 
 #include <QApplication>
@@ -312,3 +313,9 @@ void MainWindow::testGUIObjectBuilder()
     guiBuilder.populateSampleModel(m_sampleModel, sample.get());
 }
 
+void MainWindow::onAboutApplication()
+{
+    AboutApplicationDialog dialog(this);
+    dialog.exec();
+}
+

GUI/coregui/mainwindow/mainwindow.h

@@ -57,6 +57,7 @@ public slots:
     void readSettings();
     void writeSettings();
     void onRunSimulationShortcut();
+    void onAboutApplication();
 
 protected:
     virtual void closeEvent(QCloseEvent *event);