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Diffstat (limited to 'sd/source/ui/slidesorter/inc/controller/SlsSelectionFunction.hxx')
-rw-r--r-- | sd/source/ui/slidesorter/inc/controller/SlsSelectionFunction.hxx | 145 |
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 new file mode 100644 index 0000000000..7d80fbd26c --- /dev/null +++ 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: */ |