1 files changed, 145 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/inc/controller/SlsSelectionFunction.hxx b/sd/source/ui/slidesorter/inc/controller/SlsSelectionFunction.hxx
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+++ b/sd/source/ui/slidesorter/inc/controller/SlsSelectionFunction.hxx
@@ -0,0 +1,145 @@
+/* -*- 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 <controller/SlsFocusManager.hxx>
+#include <fupoor.hxx>
+#include <memory>
+
+namespace sd::slidesorter
+{
+class SlideSorter;
+}
+
+struct AcceptDropEvent;
+
+namespace sd::slidesorter::controller
+{
+class SlideSorterController;
+
+class SelectionFunction final : public FuPoor
+{
+public:
+    SelectionFunction(const SelectionFunction&) = delete;
+    SelectionFunction& operator=(const SelectionFunction&) = delete;
+
+    static rtl::Reference<FuPoor> Create(SlideSorter& rSlideSorter, SfxRequest& rRequest);
+
+    // Mouse- & Key-Events
+    virtual bool KeyInput(const KeyEvent& rKEvt) override;
+    virtual bool MouseMove(const MouseEvent& rMEvt) override;
+    virtual bool MouseButtonUp(const MouseEvent& rMEvt) override;
+    virtual bool MouseButtonDown(const MouseEvent& rMEvt) override;
+
+    /// Forward to the clipboard manager.
+    virtual void DoCut() override;
+
+    /// Forward to the clipboard manager.
+    virtual void DoCopy() override;
+
+    /// Forward to the clipboard manager.
+    virtual void DoPaste() override;
+
+    /** is called when the current function should be aborted. <p>
+        This is used when a function gets a KEY_ESCAPE but can also
+        be called directly.
+
+        @returns
+            true if an active function was aborted
+    */
+    virtual bool cancel() override;
+
+    void MouseDragged(const AcceptDropEvent& rEvent, const sal_Int8 nDragAction);
+
+    /** Turn of substitution display and insertion indicator.
+    */
+    void NotifyDragFinished();
+
+    class EventDescriptor;
+    class ModeHandler;
+    friend class ModeHandler;
+    enum Mode
+    {
+        NormalMode,
+        MultiSelectionMode,
+        DragAndDropMode
+    };
+    void SwitchToNormalMode();
+    void SwitchToDragAndDropMode(const Point& rMousePosition);
+    void SwitchToMultiSelectionMode(const Point& rMousePosition, const sal_uInt32 nEventCode);
+
+    void ResetShiftKeySelectionAnchor();
+    /** Special case handling for when the context menu is hidden.  This
+        method will reinitialize the current mouse position to prevent the
+        mouse motion during the time the context menu is displayed from
+        being interpreted as drag-and-drop start.
+    */
+    void ResetMouseAnchor();
+
+private:
+    SlideSorter& mrSlideSorter;
+    SlideSorterController& mrController;
+
+    SelectionFunction(SlideSorter& rSlideSorter, SfxRequest& rRequest);
+
+    virtual ~SelectionFunction() override;
+
+    /** Remember the slide where the shift key was pressed and started a
+        multiselection via keyboard.
+    */
+    sal_Int32 mnShiftKeySelectionAnchor;
+
+    /** The selection function can be in one of several mutually
+        exclusive modes.
+    */
+    std::shared_ptr<ModeHandler> mpModeHandler;
+
+    /** Make the slide nOffset slides away of the current one the new
+        current slide.  When the new index is outside the range of valid
+        page numbers it is clipped to that range.
+        @param nOffset
+            When nOffset is negative then go back.  When nOffset if positive go
+            forward.  When it is zero then ignore the call.
+    */
+    void GotoNextPage(int nOffset);
+
+    /** Make the slide with the given index the new current slide.
+        @param nIndex
+            Index of the new current slide.  When the new index is outside
+            the range of valid page numbers it is clipped to that range.
+    */
+    void GotoPage(int nIndex);
+
+    void ProcessMouseEvent(sal_uInt32 nEventType, const MouseEvent& rEvent);
+
+    // What follows are a couple of helper methods that are used by
+    // ProcessMouseEvent().
+
+    void ProcessEvent(EventDescriptor& rEvent);
+
+    void MoveFocus(const FocusManager::FocusMoveDirection eDirection, const bool bIsShiftDown,
+                   const bool bIsControlDown);
+
+    void SwitchMode(const std::shared_ptr<ModeHandler>& rpHandler);
+};
+
+} // end of namespace ::sd::slidesorter::controller
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */