weld: Move weld::Spinner to own header

Move the class out of weld.hxx into its own header, in
order to make it easier to keep an overview and to avoid
having to recompile ~all UI code when the class is
modified.

Change-Id: I98a090f31fc8b4111b7e13dfcdf843af8c3113c8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/205474
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>

desktop/source/deployment/gui/dp_gui_updatedialog.hxx

@@ -28,6 +28,7 @@
 #include <rtl/ustring.hxx>
 #include <tools/link.hxx>
 #include <vcl/weld/DialogController.hxx>
+#include <vcl/weld/Spinner.hxx>
 #include <vcl/weld/TextView.hxx>
 #include <vcl/weld/TreeView.hxx>
 #include <vcl/weld/Window.hxx>

include/vcl/weld/Spinner.hxx

@@ -0,0 +1,25 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <vcl/dllapi.h>
+#include <vcl/weld/Widget.hxx>
+
+namespace weld
+{
+class VCL_DLLPUBLIC Spinner : virtual public Widget
+{
+public:
+    virtual void start() = 0;
+    virtual void stop() = 0;
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */

include/vcl/weld/weld.hxx

@@ -324,13 +324,6 @@ public:
     void connect_value_changed(const Link<Scale&, void>& rLink) { m_aValueChangedHdl = rLink; }
 };
 
-class VCL_DLLPUBLIC Spinner : virtual public Widget
-{
-public:
-    virtual void start() = 0;
-    virtual void stop() = 0;
-};
-
 enum class LabelType
 {
     Normal,

vcl/inc/qt5/QtInstanceSpinner.hxx

@@ -13,6 +13,8 @@
 
 #include "QtInstanceWidget.hxx"
 
+#include <vcl/weld/Spinner.hxx>
+
 #include <QtWidgets/QProgressBar>
 
 class QtInstanceSpinner : public QtInstanceWidget, public virtual weld::Spinner

vcl/inc/salvtables.hxx

@@ -34,6 +34,7 @@
 #include <vcl/weld/Scrollbar.hxx>
 #include <vcl/weld/ScrolledWindow.hxx>
 #include <vcl/weld/SpinButton.hxx>
+#include <vcl/weld/Spinner.hxx>
 #include <vcl/weld/TextView.hxx>
 #include <vcl/weld/Toolbar.hxx>
 #include <vcl/weld/TreeView.hxx>

vcl/unx/gtk3/gtkinst.cxx

@@ -59,6 +59,7 @@
 #include <vcl/weld/ScrolledWindow.hxx>
 #include <vcl/weld/SizeGroup.hxx>
 #include <vcl/weld/SpinButton.hxx>
+#include <vcl/weld/Spinner.hxx>
 #include <vcl/weld/TextView.hxx>
 #include <vcl/weld/Toolbar.hxx>
 #include <unx/genpspgraphics.h>