1 files changed, 101 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/inc/view/SlsInsertionIndicatorOverlay.hxx b/sd/source/ui/slidesorter/inc/view/SlsInsertionIndicatorOverlay.hxx
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+++ b/sd/source/ui/slidesorter/inc/view/SlsInsertionIndicatorOverlay.hxx
@@ -0,0 +1,101 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <view/SlsILayerPainter.hxx>
+#include <controller/SlsTransferableData.hxx>
+
+#include <tools/gen.hxx>
+#include <vcl/bitmapex.hxx>
+#include <memory>
+#include <vector>
+
+class OutputDevice;
+class SdTransferable;
+
+namespace sd::slidesorter { class SlideSorter; }
+
+namespace sd::slidesorter::view {
+
+class FramePainter;
+
+/** The insertion indicator is painted as a vertical or horizontal bar
+    in the space between slides.
+*/
+class InsertionIndicatorOverlay final
+    : public ILayerPainter,
+      public std::enable_shared_from_this<InsertionIndicatorOverlay>
+{
+public:
+    InsertionIndicatorOverlay (SlideSorter& rSlideSorter);
+    virtual ~InsertionIndicatorOverlay() override;
+
+    virtual void SetLayerInvalidator (const SharedILayerInvalidator& rpInvalidator) override;
+
+    void Create (const SdTransferable* pTransferable);
+
+    /** Given a position in model coordinates this method calculates the
+        insertion marker both as an index in the document and as a location
+        used for drawing the insertion indicator.
+    */
+    void SetLocation (const Point& rPosition);
+
+    Size GetSize() const;
+
+    virtual void Paint (
+        OutputDevice& rDevice,
+        const ::tools::Rectangle& rRepaintArea) override;
+
+    bool IsVisible() const { return mbIsVisible;}
+    void Hide();
+    void Show();
+
+    ::tools::Rectangle GetBoundingBox() const;
+
+private:
+    SlideSorter& mrSlideSorter;
+    bool mbIsVisible;
+    SharedILayerInvalidator mpLayerInvalidator;
+    // Center of the insertion indicator.
+    Point maLocation;
+    BitmapEx maIcon;
+    std::unique_ptr<FramePainter> mpShadowPainter;
+
+    Point PaintRepresentatives (
+        OutputDevice& rContent,
+        const Size& rPreviewSize,
+        const sal_Int32 nOffset,
+        const ::std::vector<controller::TransferableData::Representative>& rPages) const;
+    void PaintPageCount (
+        OutputDevice& rDevice,
+        const sal_Int32 nSelectionCount,
+        const Size& rPreviewSize,
+        const Point& rFirstPageOffset) const;
+    /** Setup the insertion indicator by creating the icon.  It consists of
+        scaled down previews of some of the selected pages.
+    */
+    void Create (
+        const ::std::vector<controller::TransferableData::Representative>& rPages,
+        const sal_Int32 nSelectionCount);
+};
+
+} // end of namespace ::sd::slidesorter::view
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */