0000787: Patch for Space navigator support on windows

src/Gui/Splashscreen.cpp

@@ -26,6 +26,7 @@
 # include <Python.h>
 # include <QApplication>
 # include <QClipboard>
+# include <QDialogButtonBox>
 # include <QMutex>
 # include <QProcess> 
 # include <QSysInfo>
@@ -182,7 +183,11 @@ AboutDialogFactory::~AboutDialogFactory()
 
 QDialog *AboutDialogFactory::create(QWidget *parent) const
 {
+#ifdef _USE_3DCONNEXION_SDK
+    return new AboutDialog(true, parent);
+#else
     return new AboutDialog(false, parent);
+#endif
 }
 
 const AboutDialogFactory *AboutDialogFactory::defaultFactory()
@@ -334,8 +339,54 @@ void AboutDialog::setupLabels()
     }
 }
 
+namespace Gui {
+namespace Dialog {
+
+class GuiExport LicenseDialog : public QDialog
+{
+public:
+    LicenseDialog(QWidget *parent = 0) : QDialog(parent, Qt::FramelessWindowHint)
+    {
+        QString info;
+#ifdef _USE_3DCONNEXION_SDK
+        info = QString::fromAscii(
+            "3D Mouse Support:\n"
+            "Development tools and related technology provided under license from 3Dconnexion.\n"
+            "(c) 1992 - 2012 3Dconnexion. All rights reserved");
+#endif
+        statusLabel = new QLabel(info);
+        buttonBox = new QDialogButtonBox;
+        buttonBox->setStandardButtons(QDialogButtonBox::Ok);
+        connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+
+        QHBoxLayout *topLayout = new QHBoxLayout;
+        topLayout->addWidget(statusLabel);
+
+        QVBoxLayout *mainLayout = new QVBoxLayout;
+        mainLayout->addLayout(topLayout);
+        mainLayout->addWidget(buttonBox);
+        setLayout(mainLayout);
+
+        setWindowTitle(tr("Copyright"));
+    }
+    ~LicenseDialog()
+    {
+    }
+
+private:
+    QLabel *statusLabel;
+    QDialogButtonBox *buttonBox;
+};
+
+} // namespace Dialog
+} // namespace Gui
+
 void AboutDialog::on_licenseButton_clicked()
 {
+#ifdef _USE_3DCONNEXION_SDK
+    LicenseDialog dlg(this);
+    dlg.exec();
+#endif
 }
 
 void AboutDialog::on_copyButton_clicked()