qt5: let QNitpickerViewWidget react to focus event

With this patch, when calling 'setFocus()' on a QNitpickerViewWidget, the
Nitpicker view gets the input focus (provided that the parent Qt window
already had it).

Fixes #1314

repos/libports/include/qt5/qnitpickerviewwidget/qnitpickerviewwidget.h

@@ -75,6 +75,7 @@ protected:
 	virtual void showEvent(QShowEvent *event);
 	virtual void hideEvent(QHideEvent *event);
 	virtual void paintEvent(QPaintEvent *event);
+	virtual void focusInEvent(QFocusEvent * event);
 
 public:
 

repos/libports/src/lib/qt5/qnitpickerviewwidget/qnitpickerviewwidget.cpp

@@ -226,3 +226,11 @@ void QNitpickerViewWidget::paintEvent(QPaintEvent *event)
 	nitpicker->release_view_handle(neighbor_handle);
 }
 
+
+void QNitpickerViewWidget::focusInEvent(QFocusEvent *)
+{
+	QNitpickerPlatformWindow *platform_window =
+		dynamic_cast<QNitpickerPlatformWindow*>(window()->windowHandle()->handle());
+
+	platform_window->nitpicker().focus(*nitpicker);
+}

repos/libports/src/lib/qt5/qtbase/src/plugins/platforms/nitpicker/qnitpickerplatformwindow.cpp

@@ -573,6 +573,11 @@ void QNitpickerPlatformWindow::egl_surface(EGLSurface egl_surface)
 	_egl_surface = egl_surface;
 }
 
+Nitpicker::Session_client &QNitpickerPlatformWindow::nitpicker()
+{
+	return _nitpicker_session;
+}
+
 Nitpicker::View_capability QNitpickerPlatformWindow::view_cap() const
 {
 	QNitpickerPlatformWindow *npw = const_cast<QNitpickerPlatformWindow *>(this);

repos/libports/src/lib/qt5/qtbase/src/plugins/platforms/nitpicker/qnitpickerplatformwindow.h

@@ -155,6 +155,7 @@ class QNitpickerPlatformWindow : public QObject, public QPlatformWindow
 
 		/* for QNitpickerViewWidget */
 
+		Nitpicker::Session_client &nitpicker();
 		Nitpicker::View_capability view_cap() const;
 
 	signals: