diff --git a/cyan.pro b/cyan.pro
index 218755a..1570ea7 100644
--- a/cyan.pro
+++ b/cyan.pro
@@ -56,7 +56,7 @@ OBJECTS_DIR = $${DESTDIR}/.obj
 MOC_DIR = $${DESTDIR}/.moc
 RCC_DIR = $${DESTDIR}/.qrc
 
-QT += widgets concurrent
+QT += core gui concurrent
 TEMPLATE = app
 
 CONFIG += c++11
@@ -137,11 +137,11 @@ mac {
     ICON = res/Cyan.icns
     QMAKE_INFO_PLIST = res/Info.plist
     # ugly workaround for static build:
-    QMAKE_MACOSX_DEPLOYMENT_TARGET = $${OSX_COMPAT}
-    QMAKE_CFLAGS += -fopenmp
-    QMAKE_CXXFLAGS += -fopenmp
-    QMAKE_LFLAGS += -lomp -liconv
-    LIBS += -L /opt/local/lib/libomp
+    #QMAKE_MACOSX_DEPLOYMENT_TARGET = $${OSX_COMPAT}
+    #QMAKE_CFLAGS += -fopenmp
+    #QMAKE_CXXFLAGS += -fopenmp
+    #QMAKE_LFLAGS += -lomp -liconv
+    #LIBS += -L /opt/local/lib/libomp
 }
 
 win32 {
diff --git a/src/FXX.cpp b/src/FXX.cpp
index 87c6448..4989046 100644
--- a/src/FXX.cpp
+++ b/src/FXX.cpp
@@ -35,7 +35,7 @@
 
 FXX::FXX()
 {
-    Magick::InitializeMagick(nullptr);
+    Magick::InitializeMagick(NULL);
 }
 
 FXX::Image FXX::readImage(const std::string &file,
@@ -455,7 +455,7 @@ bool FXX::editProfile(std::string file,
 {
     bool result = false;
     if (!file.empty()) {
-        cmsHPROFILE lcmsProfile = nullptr;
+        cmsHPROFILE lcmsProfile = NULL;
         lcmsProfile = cmsOpenProfileFromFile(file.c_str(), "w");
         if (lcmsProfile) {
             cmsContext ContextID = cmsGetProfileContextID(lcmsProfile);
@@ -520,7 +520,7 @@ std::string FXX::getProfileTag(cmsHPROFILE profile,
             cmsSelectedType = cmsInfoDescription;
         }
         size = cmsGetProfileInfoASCII(profile, cmsSelectedType,
-                                      "en", "US", nullptr, 0);
+                                      "en", "US", NULL, 0);
         if (size > 0) {
             std::vector<char> buffer(size);
             cmsUInt32Number newsize = cmsGetProfileInfoASCII(profile, cmsSelectedType,
diff --git a/src/cyan.cpp b/src/cyan.cpp
index e6d8d1a..39f19bf 100644
--- a/src/cyan.cpp
+++ b/src/cyan.cpp
@@ -51,8 +51,8 @@
 #include <QStyleFactory>
 #include <QHeaderView>
 #include <QMimeData>
-#include <QMimeDatabase>
-#include <QMimeType>
+//#include <QMimeDatabase>
+//#include <QMimeType>
 #include <QTreeWidgetItem>
 #include <qtconcurrentrun.h>
 
@@ -72,35 +72,35 @@ extern "C" WINBASEAPI BOOL WINAPI GetPhysicallyInstalledSystemMemory (PULONGLONG
 
 Cyan::Cyan(QWidget *parent)
     : QMainWindow(parent)
-    , scene(Q_NULLPTR)
-    , view(Q_NULLPTR)
-    , mainBar(Q_NULLPTR)
-    , profileBar(Q_NULLPTR)
-    , rgbProfile(Q_NULLPTR)
-    , cmykProfile(Q_NULLPTR)
-    , grayProfile(Q_NULLPTR)
-    , inputProfile(Q_NULLPTR)
-    , outputProfile(Q_NULLPTR)
-    , monitorProfile(Q_NULLPTR)
-    , renderingIntent(Q_NULLPTR)
-    , blackPoint(Q_NULLPTR)
-    , menuBar(Q_NULLPTR)
-    , fileMenu(Q_NULLPTR)
-    , helpMenu(Q_NULLPTR)
-    , openImageAction(Q_NULLPTR)
-    , saveImageAction(Q_NULLPTR)
-    , infoImageAction(Q_NULLPTR)
-    , quitAction(Q_NULLPTR)
-    , exportEmbeddedProfileAction(Q_NULLPTR)
-    , bitDepth(Q_NULLPTR)
+    , scene(NULL)
+    , view(NULL)
+    , mainBar(NULL)
+    , profileBar(NULL)
+    , rgbProfile(NULL)
+    , cmykProfile(NULL)
+    , grayProfile(NULL)
+    , inputProfile(NULL)
+    , outputProfile(NULL)
+    , monitorProfile(NULL)
+    , renderingIntent(NULL)
+    , blackPoint(NULL)
+    , menuBar(NULL)
+    , fileMenu(NULL)
+    , helpMenu(NULL)
+    , openImageAction(NULL)
+    , saveImageAction(NULL)
+    , infoImageAction(NULL)
+    , quitAction(NULL)
+    , exportEmbeddedProfileAction(NULL)
+    , bitDepth(NULL)
     , ignoreConvertAction(false)
-    , progBar(Q_NULLPTR)
-    , prefsMenu(Q_NULLPTR)
+    , progBar(NULL)
+    , prefsMenu(NULL)
     , nativeStyle(false)
-    , qualityBox(Q_NULLPTR)
+    , qualityBox(NULL)
     , activeLayer(-1)
-    , selectedLayer(Q_NULLPTR)
-    , selectedLayerLabel(Q_NULLPTR)
+    , selectedLayer(NULL)
+    , selectedLayerLabel(NULL)
 {
     // get style settings
     QSettings settings;
@@ -110,7 +110,7 @@ Cyan::Cyan(QWidget *parent)
 
     // style app
     if (!nativeStyle) {
-        qApp->setStyle(QStyleFactory::create("fusion"));
+        qApp->setStyle(QStyleFactory::create("plastique"));
         QPalette palette;
         palette.setColor(QPalette::Window, QColor(53,53,53));
         palette.setColor(QPalette::WindowText, Qt::white);
@@ -586,11 +586,21 @@ void Cyan::openImageDialog()
                                            " (*.png *.jpg *.jpeg *.tif *.tiff *.psd *.xcf *.icc *.icm)")
                                         .arg(tr("Image files")));
     if (!file.isEmpty()) {
-        QMimeDatabase db;
-        QMimeType type = db.mimeTypeForFile(file);
-        if (type.name().startsWith("image")) { openImage(file); }
-        else if (type.name().contains("iccprofile")) { openProfile(file); }
+        //QMimeDatabase db;
+        //QMimeType type = db.mimeTypeForFile(file);
+        //if (type.name().startsWith("image")) { openImage(file); }
+        //else if (type.name().contains("iccprofile")) { openProfile(file); }
         QFileInfo imageFile(file);
+        if (imageFile.suffix().endsWith("jpg", Qt::CaseInsensitive) ||
+            imageFile.suffix().endsWith("jpeg", Qt::CaseInsensitive) ||
+            imageFile.suffix().endsWith("tif", Qt::CaseInsensitive) ||
+            imageFile.suffix().endsWith("tiff", Qt::CaseInsensitive) ||
+            imageFile.suffix().endsWith("png", Qt::CaseInsensitive)) {
+            openImage(file);
+        } else if(imageFile.suffix().endsWith("icc", Qt::CaseInsensitive)) {
+            openProfile(file);
+        }
+
         settings.setValue("lastDir",
                           imageFile.absoluteDir().absolutePath());
     }
@@ -1288,6 +1298,7 @@ void Cyan::bitDepthChanged(int index)
 
 void Cyan::gimpPlugin()
 {
+/*
     QStringList versions,folders,gimps;
     versions << "2.4" << "2.6" << "2.7" << "2.8" << "2.9" << "2.10" << "2.99" << "3.0";
     gimps << ".gimp-" << ".config/GIMP-AppImage/" << ".config/GIMP/" << "AppData/Roaming/GIMP/" << "Library/Application Support/GIMP/" << ".var/app/org.gimp.GIMP/config/GIMP/";
@@ -1362,6 +1373,7 @@ void Cyan::gimpPlugin()
         }
     }
     if (reloadPlug) { gimpPlugin(); }
+*/
 }
 
 void Cyan::openProfile(QString file)
@@ -1570,7 +1582,7 @@ void Cyan::handleReadWatcher()
         getConvertProfiles();
         QFileInfo fileinfo(QString::fromStdString(image.filename));
         setWindowTitle(fileinfo.fileName());
-        if (!monitorProfile->currentData().toString().isEmpty()) { updateImage(); }
+        if (!monitorProfile->itemData(monitorProfile->currentIndex()).toString().isEmpty()) { updateImage(); }
     } else {
         QMessageBox::warning(this, tr("Image error"),
                              QString::fromStdString(image.error));
diff --git a/src/cyan.h b/src/cyan.h
index e2af39d..3a84461 100644
--- a/src/cyan.h
+++ b/src/cyan.h
@@ -68,7 +68,7 @@ class Cyan : public QMainWindow
     Q_OBJECT
 
 public:
-    Cyan(QWidget *parent = Q_NULLPTR);
+    Cyan(QWidget *parent = NULL);
     ~Cyan();
 
 signals:
diff --git a/src/helpdialog.cpp b/src/helpdialog.cpp
index 5d382e4..76d9258 100644
--- a/src/helpdialog.cpp
+++ b/src/helpdialog.cpp
@@ -42,7 +42,7 @@ HelpDialog::HelpDialog(QWidget *parent,
                        QString css,
                        bool enableCloseButton)
     : QDialog(parent)
-    , browser(Q_NULLPTR)
+    , browser(NULL)
 {
     setWindowTitle(title);
     setWindowIcon(QIcon(":/cyan.png"));
diff --git a/src/helpdialog.h b/src/helpdialog.h
index 733044f..3306935 100644
--- a/src/helpdialog.h
+++ b/src/helpdialog.h
@@ -42,7 +42,7 @@ class HelpDialog : public QDialog
     Q_OBJECT
 
 public:
-    HelpDialog(QWidget *parent = Q_NULLPTR,
+    HelpDialog(QWidget *parent = NULL,
                QString title = QString(),
                QString html = QString(),
                QString css = QString(),
diff --git a/src/imageview.cpp b/src/imageview.cpp
index 75c5cee..66589b2 100644
--- a/src/imageview.cpp
+++ b/src/imageview.cpp
@@ -32,8 +32,10 @@
 
 #include "imageview.h"
 #include <QMimeData>
-#include <QMimeDatabase>
-#include <QMimeType>
+//#include <QMimeDatabase>
+//#include <QMimeType>
+#include <QMimeData>
+#include <QUrl>
 #include <QSettings>
 
 ImageView::ImageView(QWidget* parent) : QGraphicsView(parent)
@@ -54,7 +56,7 @@ ImageView::ImageView(QWidget* parent) : QGraphicsView(parent)
 void ImageView::wheelEvent(QWheelEvent* event) {
     setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
     double scaleFactor = 1.15;
-    if(event->angleDelta().y() > 0) { // up
+    if(event->delta() > 0) { // up
         fit = false;
         scale(scaleFactor, scaleFactor);
         emit myZoom(scaleFactor, scaleFactor);
@@ -99,10 +101,20 @@ void ImageView::dropEvent(QDropEvent *event)
     if (!mimeData->hasUrls()) { return; }
     if (mimeData->urls().at(0).isEmpty()) { return; }
     QUrl url = mimeData->urls().at(0);
-    QMimeDatabase db;
+
+    if (url.toLocalFile().endsWith(".jpg", Qt::CaseInsensitive) ||
+        url.toLocalFile().endsWith(".jpeg", Qt::CaseInsensitive) ||
+        url.toLocalFile().endsWith(".tif", Qt::CaseInsensitive) ||
+        url.toLocalFile().endsWith(".tiff", Qt::CaseInsensitive) ||
+        url.toLocalFile().endsWith(".png", Qt::CaseInsensitive)) {
+        emit openImage(url.toLocalFile());
+    } else if(url.toLocalFile().endsWith(".icc", Qt::CaseInsensitive)) {
+        emit openProfile(url.toLocalFile());
+    }
+    /*QMimeDatabase db;
     QMimeType type = db.mimeTypeForFile(url.toLocalFile());
     if (type.name().startsWith("image")) { emit openImage(url.toLocalFile()); }
-    else if (type.name().contains("iccprofile")) { emit openProfile(url.toLocalFile()); }
+    else if (type.name().contains("iccprofile")) { emit openProfile(url.toLocalFile()); }*/
 }
 
 void ImageView::resizeEvent(QResizeEvent */*event*/)
diff --git a/src/imageview.h b/src/imageview.h
index 29a62aa..8aae572 100644
--- a/src/imageview.h
+++ b/src/imageview.h
@@ -46,7 +46,7 @@ class ImageView : public QGraphicsView
     Q_OBJECT
 
 public:
-    explicit ImageView(QWidget* parent = Q_NULLPTR);
+    explicit ImageView(QWidget* parent = NULL);
     bool fit;
 
 signals:
diff --git a/src/main.cpp b/src/main.cpp
index 480d2b8..cef9985 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -43,7 +43,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     QCoreApplication::setApplicationName("Cyan");
     QCoreApplication::setOrganizationName("Cyan");
-    QGuiApplication::setApplicationDisplayName("Cyan");
+    //QGuiApplication::setApplicationDisplayName("Cyan");
     QCoreApplication::setOrganizationDomain("net.fxarena");
     QCoreApplication::setApplicationVersion(CYAN_VERSION);
     Cyan w;
diff --git a/src/profiledialog.cpp b/src/profiledialog.cpp
index 1468b28..97f860d 100644
--- a/src/profiledialog.cpp
+++ b/src/profiledialog.cpp
@@ -37,11 +37,11 @@
 
 ProfileDialog::ProfileDialog(QWidget *parent, const QString &inputProfile)
     : QDialog(parent)
-    , profileFileName(Q_NULLPTR)
-    , profileDescription(Q_NULLPTR)
-    , profileCopyright(Q_NULLPTR)
-    , profileSaveButton(Q_NULLPTR)
-    , profileCloseButton(Q_NULLPTR)
+    , profileFileName(NULL)
+    , profileDescription(NULL)
+    , profileCopyright(NULL)
+    , profileSaveButton(NULL)
+    , profileCloseButton(NULL)
 {
     setWindowTitle(tr("Edit Color Profile"));
     setWindowIcon(QIcon(":/cyan.png"));
diff --git a/src/profiledialog.h b/src/profiledialog.h
index 3ec91c9..89d10ec 100644
--- a/src/profiledialog.h
+++ b/src/profiledialog.h
@@ -44,7 +44,7 @@ class ProfileDialog : public QDialog
     Q_OBJECT
 
 public:
-    ProfileDialog(QWidget *parent = Q_NULLPTR,
+    ProfileDialog(QWidget *parent = NULL,
                   const QString &inputProfile = QString());
     QLineEdit *profileFileName;
     QLineEdit *profileDescription;