rbutil: Merge rbutil with utils folder.

rbutil uses several components from the utils folder, and can be
considered part of utils too. Having it in a separate folder is an
arbitrary split that doesn't help anymore these days, so merge them.

This also allows other utils to easily use libtools.make without the
need to navigate to a different folder.

Change-Id: I3fc2f4de19e3e776553efb5dea5f779dfec0dc21

utils/rbutilqt/preview.h

@@ -0,0 +1,74 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *   Copyright (C) 2007 by Dominik Wenger
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef PREVIEW_H
+#define PREVIEW_H
+
+#include <QDialog>
+#include <QLabel>
+#include <QTimer>
+
+#include "ui_previewfrm.h"
+
+
+class PreviewDlg : public QDialog
+{
+    Q_OBJECT
+
+public:
+    PreviewDlg(QWidget *parent = nullptr);
+    void setPixmap(QPixmap p);
+    void setText(QString text);
+
+private slots:
+    void changeEvent(QEvent *event);
+    void mouseMoveEvent(QMouseEvent * event);
+    void leaveEvent(QEvent * event);
+
+private:
+    Ui::PreviewFrm ui;
+
+
+};
+
+
+class PreviewLabel : public QLabel
+{
+    Q_OBJECT
+
+public:
+    PreviewLabel(QWidget * parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
+
+    void setPixmap(QPixmap p);
+    void setText(QString text);
+private slots:
+    void mouseMoveEvent(QMouseEvent * event);
+    void enterEvent(QEvent * event);
+    void leaveEvent(QEvent * event);
+    void timeout();
+
+private:
+    QTimer hovertimer;
+    QPoint mousepos;
+    PreviewDlg* preview;
+};
+
+
+#endif