70a235dd55
Change-Id: I5e97231e250dd65f692c2626b2d74494c59743d6 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93873 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
257 lines
9.4 KiB
C++
257 lines
9.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSCROLLBAR_HXX
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#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSCROLLBAR_HXX
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#include "PresenterBitmapContainer.hxx"
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#include <com/sun/star/awt/XWindow.hpp>
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#include <com/sun/star/drawing/XPresenterHelper.hpp>
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <cppuhelper/basemutex.hxx>
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#include <cppuhelper/compbase.hxx>
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#include <functional>
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#include <memory>
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namespace sdext::presenter {
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class PresenterCanvasHelper;
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class PresenterPaintManager;
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typedef ::cppu::WeakComponentImplHelper <
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css::awt::XWindowListener,
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css::awt::XPaintListener,
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css::awt::XMouseListener,
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css::awt::XMouseMotionListener
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> PresenterScrollBarInterfaceBase;
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/** Base class of horizontal and vertical scroll bars.
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*/
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class PresenterScrollBar
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: private ::cppu::BaseMutex,
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public PresenterScrollBarInterfaceBase
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{
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public:
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virtual ~PresenterScrollBar() override;
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PresenterScrollBar(const PresenterScrollBar&) = delete;
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PresenterScrollBar& operator=(const PresenterScrollBar&) = delete;
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virtual void SAL_CALL disposing() override;
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css::uno::Reference<css::uno::XComponentContext> const&
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GetComponentContext() const { return mxComponentContext; }
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void SetVisible (const bool bIsVisible);
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/** Set the bounding box of the scroll bar.
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*/
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void SetPosSize (const css::geometry::RealRectangle2D& rBox);
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/** Set the position of the movable thumb.
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@param nPosition
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A value between 0 and the last value given to SetTotalSize()
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minus the last value given to SetThumbSize().
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*/
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void SetThumbPosition (
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double nPosition,
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const bool bAsynchronousRepaint);
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double GetThumbPosition() const { return mnThumbPosition;}
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/** Set the upper border of the slider range.
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*/
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void SetTotalSize (const double nTotalSize);
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/** Set the size of the movable thumb.
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@param nThumbSize
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A value not larger than the last value given to SetTotalSize().
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*/
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void SetThumbSize (const double nThumbSize);
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double GetThumbSize() const { return mnThumbSize;}
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void SetLineHeight (const double nLineHeight);
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double GetLineHeight() const { return mnLineHeight;}
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/** Set the canvas that is used for painting the scroll bar.
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*/
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void SetCanvas (const css::uno::Reference<css::rendering::XCanvas>& rxCanvas);
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void SetBackground (const SharedBitmapDescriptor& rpBackgroundBitmap);
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/** Call this after changing total size or thumb position or size to
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move the thumb to a valid position.
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*/
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void CheckValues();
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/** On some occasions it is necessary to trigger the painting of a
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scrollbar from the outside.
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*/
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void Paint (
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const css::awt::Rectangle& rUpdateBox);
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virtual sal_Int32 GetSize() const = 0;
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// XWindowListener
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virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) override;
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virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) override;
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virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) override;
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virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) override;
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// XPaintListener
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virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent) override;
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// XMouseListener
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virtual void SAL_CALL mousePressed (const css::awt::MouseEvent& rEvent) override;
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virtual void SAL_CALL mouseReleased (const css::awt::MouseEvent& rEvent) override;
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virtual void SAL_CALL mouseEntered (const css::awt::MouseEvent& rEvent) override;
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virtual void SAL_CALL mouseExited (const css::awt::MouseEvent& rEvent) override;
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// XMouseMotionListener
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virtual void SAL_CALL mouseMoved (const css::awt::MouseEvent& rEvent) override;
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virtual void SAL_CALL mouseDragged (const css::awt::MouseEvent& rEvent) override;
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// lang::XEventListener
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virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override;
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enum Area { Total, Pager, Thumb, PagerUp, PagerDown, PrevButton, NextButton, None,
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AreaCount = None };
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protected:
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css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
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css::uno::Reference<css::awt::XWindow> mxWindow;
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css::uno::Reference<css::rendering::XCanvas> mxCanvas;
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css::uno::Reference<css::drawing::XPresenterHelper> mxPresenterHelper;
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std::shared_ptr<PresenterPaintManager> mpPaintManager;
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double mnThumbPosition;
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double mnTotalSize;
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double mnThumbSize;
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double mnLineHeight;
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css::geometry::RealPoint2D maDragAnchor;
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::std::function<void (double)> maThumbMotionListener;
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Area meButtonDownArea;
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Area meMouseMoveArea;
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css::geometry::RealRectangle2D maBox[AreaCount];
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bool mbIsNotificationActive;
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static std::weak_ptr<PresenterBitmapContainer> mpSharedBitmaps;
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std::shared_ptr<PresenterBitmapContainer> mpBitmaps;
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SharedBitmapDescriptor mpPrevButtonDescriptor;
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SharedBitmapDescriptor mpNextButtonDescriptor;
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SharedBitmapDescriptor mpPagerStartDescriptor;
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SharedBitmapDescriptor mpPagerCenterDescriptor;
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SharedBitmapDescriptor mpPagerEndDescriptor;
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SharedBitmapDescriptor mpThumbStartDescriptor;
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SharedBitmapDescriptor mpThumbCenterDescriptor;
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SharedBitmapDescriptor mpThumbEndDescriptor;
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bool maEnabledState[AreaCount];
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css::geometry::RealRectangle2D const & GetRectangle (const Area eArea) const;
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virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const = 0;
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virtual void UpdateDragAnchor (const double nDragDistance) = 0;
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virtual double GetMinor (const double nX, const double nY) const = 0;
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virtual void UpdateBorders() = 0;
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virtual void UpdateBitmaps() = 0;
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virtual void PaintComposite(
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const css::awt::Rectangle& rRepaintBox,
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const Area eArea,
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const SharedBitmapDescriptor& rpStartBitmaps,
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const SharedBitmapDescriptor& rpCenterBitmaps,
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const SharedBitmapDescriptor& rpEndBitmaps) = 0;
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PresenterScrollBar (
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const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
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const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
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const std::shared_ptr<PresenterPaintManager>& rpPaintManager,
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const ::std::function<void (double)>& rThumbMotionListener);
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void Repaint (
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const css::geometry::RealRectangle2D& rBox,
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const bool bAsynchronous);
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void PaintBackground (
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const css::awt::Rectangle& rRepaintBox);
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void PaintBitmap(
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const css::awt::Rectangle& rRepaintBox,
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const Area eArea,
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const SharedBitmapDescriptor& rpBitmaps);
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void UpdateWidthOrHeight (sal_Int32& rSize,
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const SharedBitmapDescriptor& rpDescriptor);
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css::uno::Reference<css::rendering::XBitmap> GetBitmap (
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const Area eArea,
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const SharedBitmapDescriptor& rpBitmaps) const;
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PresenterBitmapContainer::BitmapDescriptor::Mode GetBitmapMode (
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const Area eArea) const;
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bool IsDisabled (const Area eArea) const;
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double ValidateThumbPosition (double nPosition);
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private:
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class MousePressRepeater;
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std::shared_ptr<MousePressRepeater> mpMousePressRepeater;
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SharedBitmapDescriptor mpBackgroundBitmap;
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std::unique_ptr<PresenterCanvasHelper> mpCanvasHelper;
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Area GetArea (const double nX, const double nY) const;
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};
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/** A vertical scroll bar.
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*/
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class PresenterVerticalScrollBar : public PresenterScrollBar
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{
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public:
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PresenterVerticalScrollBar (
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const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
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const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
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const std::shared_ptr<PresenterPaintManager>& rpPaintManager,
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const ::std::function<void (double)>& rThumbMotionListener);
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virtual ~PresenterVerticalScrollBar() override;
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virtual sal_Int32 GetSize() const override;
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protected:
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virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const override;
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virtual void UpdateDragAnchor (const double nDragDistance) override;
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virtual double GetMinor (const double nX, const double nY) const override;
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virtual void UpdateBorders() override;
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virtual void UpdateBitmaps() override;
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virtual void PaintComposite(
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const css::awt::Rectangle& rRepaintBox,
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const Area eArea,
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const SharedBitmapDescriptor& rpStartBitmaps,
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const SharedBitmapDescriptor& rpCenterBitmaps,
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const SharedBitmapDescriptor& rpEndBitmaps) override;
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private:
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sal_Int32 mnScrollBarWidth;
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};
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} // end of namespace ::sdext::presenter
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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