diff options
Diffstat (limited to 'sd/source/ui/slidesorter/controller/SlsDragAndDropContext.cxx')
-rw-r--r-- | sd/source/ui/slidesorter/controller/SlsDragAndDropContext.cxx | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.cxx b/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.cxx new file mode 100644 index 000000000..f447c5656 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.cxx @@ -0,0 +1,120 @@ +/* -*- 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 . + */ + +#include "SlsDragAndDropContext.hxx" + +#include <SlideSorter.hxx> +#include <model/SlideSorterModel.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsInsertionIndicatorHandler.hxx> +#include <controller/SlsScrollBarManager.hxx> +#include <controller/SlsProperties.hxx> +#include <controller/SlsClipboard.hxx> +#include <controller/SlsTransferableData.hxx> +#include <Window.hxx> +#include <sdtreelb.hxx> +#include <sdmod.hxx> + +namespace sd::slidesorter::controller { + +DragAndDropContext::DragAndDropContext (SlideSorter& rSlideSorter) + : mpTargetSlideSorter(&rSlideSorter), + mnInsertionIndex(-1) +{ + // No Drag-and-Drop for master pages. + if (rSlideSorter.GetModel().GetEditMode() != EditMode::Page) + return; + + // For properly handling transferables created by the navigator we + // need additional information. For this a user data object is + // created that contains the necessary information. + SdTransferable* pTransferable = SD_MOD()->pTransferDrag; + SdPageObjsTLV::SdPageObjsTransferable* pTreeListBoxTransferable + = dynamic_cast<SdPageObjsTLV::SdPageObjsTransferable*>(pTransferable); + if (pTreeListBoxTransferable!=nullptr && !TransferableData::GetFromTransferable(pTransferable)) + { + pTransferable->AddUserData( + sd::slidesorter::controller::Clipboard::CreateTransferableUserData(pTransferable)); + } + + rSlideSorter.GetController().GetInsertionIndicatorHandler()->UpdateIndicatorIcon(pTransferable); +} + +DragAndDropContext::~DragAndDropContext() COVERITY_NOEXCEPT_FALSE +{ + SetTargetSlideSorter(); +} + +void DragAndDropContext::Dispose() +{ + mnInsertionIndex = -1; +} + +void DragAndDropContext::UpdatePosition ( + const Point& rMousePosition, + const InsertionIndicatorHandler::Mode eMode, + const bool bAllowAutoScroll) +{ + if (mpTargetSlideSorter == nullptr) + return; + + if (mpTargetSlideSorter->GetProperties()->IsUIReadOnly()) + return; + + // Convert window coordinates into model coordinates (we need the + // window coordinates for auto-scrolling because that remains + // constant while scrolling.) + sd::Window *pWindow = mpTargetSlideSorter->GetContentWindow().get(); + const Point aMouseModelPosition (pWindow->PixelToLogic(rMousePosition)); + std::shared_ptr<InsertionIndicatorHandler> pInsertionIndicatorHandler ( + mpTargetSlideSorter->GetController().GetInsertionIndicatorHandler()); + + bool bDoAutoScroll = bAllowAutoScroll + && mpTargetSlideSorter->GetController().GetScrollBarManager().AutoScroll( + rMousePosition, + [this, eMode, rMousePosition] () { + return this->UpdatePosition(rMousePosition, eMode, false); + }); + + if (!bDoAutoScroll) + { + pInsertionIndicatorHandler->UpdatePosition(aMouseModelPosition, eMode); + + // Remember the new insertion index. + mnInsertionIndex = pInsertionIndicatorHandler->GetInsertionPageIndex(); + if (pInsertionIndicatorHandler->IsInsertionTrivial(mnInsertionIndex, eMode)) + mnInsertionIndex = -1; + } +} + +void DragAndDropContext::SetTargetSlideSorter() +{ + if (mpTargetSlideSorter != nullptr) + { + mpTargetSlideSorter->GetController().GetScrollBarManager().StopAutoScroll(); + mpTargetSlideSorter->GetController().GetInsertionIndicatorHandler()->End( + Animator::AM_Animated); + } + + mpTargetSlideSorter = nullptr; +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |