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diff --git a/sdext/source/presenter/PresenterButton.hxx b/sdext/source/presenter/PresenterButton.hxx
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+++ b/sdext/source/presenter/PresenterButton.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERBUTTON_HXX
+#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERBUTTON_HXX
+
+#include "PresenterBitmapContainer.hxx"
+#include "PresenterTheme.hxx"
+#include <com/sun/star/awt/XWindow.hpp>
+#include <com/sun/star/awt/XPaintListener.hpp>
+#include <com/sun/star/awt/XMouseListener.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/XBitmap.hpp>
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <rtl/ref.hxx>
+
+namespace sdext::presenter {
+
+class PresenterController;
+
+typedef ::cppu::WeakComponentImplHelper <
+    css::awt::XPaintListener,
+    css::awt::XMouseListener
+> PresenterButtonInterfaceBase;
+
+/** Button for the presenter screen.  It displays a text surrounded by a
+    frame.
+*/
+class PresenterButton
+    : private ::cppu::BaseMutex,
+      public PresenterButtonInterfaceBase
+{
+public:
+    static ::rtl::Reference<PresenterButton> Create (
+        const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
+        const ::rtl::Reference<PresenterController>& rpPresenterController,
+        const std::shared_ptr<PresenterTheme>& rpTheme,
+        const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
+        const css::uno::Reference<css::rendering::XCanvas>& rxParentCanvas,
+        const OUString& rsConfigurationName);
+    virtual ~PresenterButton() override;
+    PresenterButton(const PresenterButton&) = delete;
+    PresenterButton& operator=(const PresenterButton&) = delete;
+
+    virtual void SAL_CALL disposing() override;
+
+    void SetCenter (const css::geometry::RealPoint2D& rLocation);
+    void SetCanvas (
+        const css::uno::Reference<css::rendering::XCanvas>& rxParentCanvas,
+        const css::uno::Reference<css::awt::XWindow>& rxParentWindow);
+    css::geometry::IntegerSize2D const & GetSize();
+
+    // XPaintListener
+
+    virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent) override;
+
+    // XMouseListener
+
+    virtual void SAL_CALL mousePressed (const css::awt::MouseEvent& rEvent) override;
+
+    virtual void SAL_CALL mouseReleased (const css::awt::MouseEvent& rEvent) override;
+
+    virtual void SAL_CALL mouseEntered (const css::awt::MouseEvent& rEvent) override;
+
+    virtual void SAL_CALL mouseExited (const css::awt::MouseEvent& rEvent) override;
+
+    // lang::XEventListener
+    virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override;
+
+private:
+    ::rtl::Reference<PresenterController> mpPresenterController;
+    std::shared_ptr<PresenterTheme> mpTheme;
+    css::uno::Reference<css::awt::XWindow> mxWindow;
+    css::uno::Reference<css::rendering::XCanvas> mxCanvas;
+    css::uno::Reference<css::drawing::XPresenterHelper> mxPresenterHelper;
+    const OUString msText;
+    const PresenterTheme::SharedFontDescriptor mpFont;
+    const PresenterTheme::SharedFontDescriptor mpMouseOverFont;
+    const OUString msAction;
+    css::geometry::RealPoint2D maCenter;
+    css::geometry::IntegerSize2D maButtonSize;
+    PresenterBitmapDescriptor::Mode meState;
+    css::uno::Reference<css::rendering::XBitmap> mxNormalBitmap;
+    css::uno::Reference<css::rendering::XBitmap> mxMouseOverBitmap;
+
+    PresenterButton (
+        const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
+        const ::rtl::Reference<PresenterController>& rpPresenterController,
+        const std::shared_ptr<PresenterTheme>& rpTheme,
+        const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
+        const PresenterTheme::SharedFontDescriptor& rFont,
+        const PresenterTheme::SharedFontDescriptor& rMouseOverFont,
+        const OUString& rxText,
+        const OUString& rxAction);
+    void RenderButton (
+        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
+        const css::geometry::IntegerSize2D& rSize,
+        const PresenterTheme::SharedFontDescriptor& rFont,
+        const PresenterBitmapDescriptor::Mode eMode,
+        const SharedBitmapDescriptor& rpLeft,
+        const SharedBitmapDescriptor& rpCenter,
+        const SharedBitmapDescriptor& rpRight);
+    css::geometry::IntegerSize2D CalculateButtonSize();
+    void Invalidate();
+    static css::uno::Reference<css::rendering::XBitmap> GetBitmap (
+        const SharedBitmapDescriptor& mpIcon,
+        const PresenterBitmapDescriptor::Mode eMode);
+    void SetupButtonBitmaps();
+    static css::uno::Reference<css::beans::XPropertySet> GetConfigurationProperties (
+        const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
+        const OUString& rsConfgurationName);
+
+    /// @throws css::lang::DisposedException
+    void ThrowIfDisposed() const;
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */