fix #85, removing Dock crashes Latte

app/CMakeLists.txt

@@ -41,6 +41,7 @@ target_link_libraries(
     Qt5::Qml
     Qt5::X11Extras
     KF5::I18n
+    KF5::Declarative
     KF5::CoreAddons
     KF5::XmlGui
     KF5::Plasma

app/dockconfigview.cpp

@@ -28,6 +28,7 @@
 #include <QScreen>
 
 #include <KLocalizedContext>
+#include <KDeclarative/KDeclarative>
 #include <KWindowSystem>
 #include <KWindowEffects>
 
@@ -76,7 +77,10 @@ void DockConfigView::init()
     setColor(Qt::transparent);
     rootContext()->setContextProperty(QStringLiteral("dock"), m_dockView);
     rootContext()->setContextProperty(QStringLiteral("dockConfig"), this);
-    rootContext()->setContextObject(new KLocalizedContext(this));
+    KDeclarative::KDeclarative kdeclarative;
+    kdeclarative.setDeclarativeEngine(engine());
+    kdeclarative.setTranslationDomain(QStringLiteral("latte-dock"));
+    kdeclarative.setupBindings();
     auto source = QUrl::fromLocalFile(m_dockView->containment()->corona()->kPackage().filePath("lattedockconfigurationui"));
     setSource(source);
     syncSlideEffect();

app/dockview.cpp

@@ -83,9 +83,8 @@ DockView::DockView(Plasma::Corona *corona, QScreen *targetScreen)
     }, Qt::DirectConnection);
     auto *dockCorona = qobject_cast<DockCorona *>(this->corona());
 
-    if (dockCorona) {
+    if (dockCorona)
         connect(dockCorona, &DockCorona::docksCountChanged, this, &DockView::docksCountChanged);
-    }
 }
 
 DockView::~DockView()
@@ -115,7 +114,6 @@ void DockView::init()
         updateFormFactor();
         syncGeometry();
     });
-    engine()->rootContext()->setContextObject(new KLocalizedContext(this));
     rootContext()->setContextProperty(QStringLiteral("dock"), this);
     setSource(corona()->kPackage().filePath("lattedockui"));
     setVisible(true);

app/main.cpp

@@ -45,9 +45,9 @@ int main(int argc, char **argv)
 {
     QQuickWindow::setDefaultAlphaBuffer(true);
     QApplication app(argc, argv);
+    KLocalizedString::setApplicationDomain("latte-dock");
     app.setApplicationVersion(version);
     app.setOrganizationDomain(QStringLiteral("latte-dock"));
-    KLocalizedString::setApplicationDomain("latte-dock");
     app.setApplicationName(QStringLiteral("lattedock"));
     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("latte-dock")));
     //! set pattern for debug messages