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Diffstat (limited to '')
-rw-r--r-- | sd/source/ui/slidesorter/inc/view/SlideSorterView.hxx | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/inc/view/SlideSorterView.hxx b/sd/source/ui/slidesorter/inc/view/SlideSorterView.hxx new file mode 100644 index 000000000..0f3493ab3 --- /dev/null +++ b/sd/source/ui/slidesorter/inc/view/SlideSorterView.hxx @@ -0,0 +1,225 @@ +/* -*- 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 <model/SlsPageDescriptor.hxx> +#include <model/SlsSharedPageDescriptor.hxx> +#include <view/SlsLayouter.hxx> +#include <view/SlsILayerPainter.hxx> +#include <o3tl/deleter.hxx> + +#include <View.hxx> +#include <tools/gen.hxx> +#include <vcl/region.hxx> +#include <memory> + +namespace sd::slidesorter::cache { class PageCache; } +namespace sd::slidesorter::model { class SlideSorterModel; } +namespace sd { class Window; } +namespace sd::slidesorter { class SlideSorter; } +namespace sd::slidesorter::view { + +class LayeredDevice; +class PageObjectPainter; +class ToolTip; + +class SlideSorterView final + : public sd::View +{ +public: + + /** Create a new view for the slide sorter. + @param rViewShell + This reference is simply passed to the base class and not used + by this class. + + */ + explicit SlideSorterView (SlideSorter& rSlideSorter); + void Init(); + + virtual ~SlideSorterView() override; + void Dispose(); + + SlideSorterView(const SlideSorterView&) = delete; + SlideSorterView& operator=(const SlideSorterView&) = delete; + + /** Set the general way of layouting the page objects. Note that this + method does not trigger any repaints or layouts. + */ + bool SetOrientation (const Layouter::Orientation eOrientation); + Layouter::Orientation GetOrientation() const { return meOrientation;} + + void RequestRepaint(); + void RequestRepaint (const model::SharedPageDescriptor& rDescriptor); + void RequestRepaint (const ::tools::Rectangle& rRepaintBox); + void RequestRepaint (const vcl::Region& rRepaintRegion); + + ::tools::Rectangle GetModelArea() const; + + /** Return the index of the page that is rendered at the given position. + @param rPosition + The position is expected to be in pixel coordinates. + @return + The returned index is -1 when there is no page object at the + given position. + */ + sal_Int32 GetPageIndexAtPoint (const Point& rPosition) const; + + view::Layouter& GetLayouter(); + + virtual void ModelHasChanged() override; + + /** This method is typically called before a model change takes place. + All references to model data are released. PostModelChange() has to + be called to complete the handling of the model change. When the + calls to Pre- and PostModelChange() are very close to each other you + may call HandleModelChange() instead. + */ + void PreModelChange(); + + /** This method is typically called after a model change took place. + References to model data are re-allocated. Call this method only + after PreModelChange() has been called. + */ + void PostModelChange(); + + /** This method is a convenience function that simply calls + PreModelChange() and then PostModelChange(). + */ + void HandleModelChange(); + + void HandleDrawModeChange(); + + void Resize(); + virtual void CompleteRedraw ( + OutputDevice* pDevice, + const vcl::Region& rPaintArea, + sdr::contact::ViewObjectContactRedirector* pRedirector = nullptr) override; + void Paint (OutputDevice& rDevice, const ::tools::Rectangle& rRepaintArea); + + virtual void ConfigurationChanged ( + utl::ConfigurationBroadcaster* pBroadcaster, + ConfigurationHints nHint) override; + + void HandleDataChangeEvent(); + + void Layout(); + /** This tells the view that it has to re-determine the visibility of + the page objects before painting them the next time. + */ + void InvalidatePageObjectVisibilities(); + + std::shared_ptr<cache::PageCache> const & GetPreviewCache(); + + /** Return the range of currently visible page objects including the + first and last one in that range. + @return + The returned pair of page object indices is empty when the + second index is lower than the first. + */ + Range const & GetVisiblePageRange(); + + /** Add a shape to the page. Typically used from inside + PostModelChange(). + */ + // void AddSdrObject (SdrObject& rObject); + + /** Add a listener that is called when the set of visible slides. + @param rListener + When this method is called multiple times for the same listener + the second and all following calls are ignored. Each listener + is added only once. + */ + void AddVisibilityChangeListener (const Link<LinkParamNone*,void>& rListener); + + /** Remove a listener that is called when the set of visible slides changes. + @param rListener + It is safe to pass a listener that was not added or has been + removed previously. Such calls are ignored. + */ + void RemoveVisibilityChangeListener (const Link<LinkParamNone*,void>& rListener); + + /** The page under the mouse is not highlighted in some contexts. Call + this method on context changes. + */ + void UpdatePageUnderMouse (); + void UpdatePageUnderMouse (const Point& rMousePosition); + void SetPageUnderMouse (const model::SharedPageDescriptor& rpDescriptor); + + bool SetState ( + const model::SharedPageDescriptor& rpDescriptor, + const model::PageDescriptor::State eState, + const bool bStateValue); + + void UpdateOrientation(); + + std::shared_ptr<PageObjectPainter> const & GetPageObjectPainter(); + const std::shared_ptr<LayeredDevice>& GetLayeredDevice() const { return mpLayeredDevice;} + + class DrawLock + { + public: + DrawLock (SlideSorter const & rSlideSorter); + ~DrawLock(); + /** When the DrawLock is disposed then it will not request a repaint + on destruction. + */ + void Dispose(); + private: + view::SlideSorterView& mrView; + VclPtr<sd::Window> mpWindow; + }; + + ToolTip& GetToolTip() const; + + virtual void DragFinished (sal_Int8 nDropAction) override; + +private: + SlideSorter& mrSlideSorter; + model::SlideSorterModel& mrModel; + bool mbIsDisposed; + ::std::unique_ptr<Layouter> mpLayouter; + bool mbPageObjectVisibilitiesValid; + std::shared_ptr<cache::PageCache> mpPreviewCache; + std::shared_ptr<LayeredDevice> mpLayeredDevice; + Range maVisiblePageRange; + Size maPreviewSize; + bool mbPreciousFlagUpdatePending; + Layouter::Orientation meOrientation; + model::SharedPageDescriptor mpPageUnderMouse; + std::shared_ptr<PageObjectPainter> mpPageObjectPainter; + vcl::Region maRedrawRegion; + SharedILayerPainter mpBackgroundPainter; + std::unique_ptr<ToolTip, o3tl::default_delete<ToolTip>> mpToolTip; + bool mbIsRearrangePending; + ::std::vector<Link<LinkParamNone*,void>> maVisibilityChangeListeners; + + /** Determine the visibility of all page objects. + */ + void DeterminePageObjectVisibilities(); + + void UpdatePreciousFlags(); + void RequestRearrange(); + void Rearrange(); +}; + +} // end of namespace ::sd::slidesorter::view + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |