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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /sdext/source/presenter/PresenterScrollBar.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-1ad18e38974bb28c3d98d0be8f7d8c18fc56de29.tar.xz libreoffice-1ad18e38974bb28c3d98d0be8f7d8c18fc56de29.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sdext/source/presenter/PresenterScrollBar.hxx')
-rw-r--r-- | sdext/source/presenter/PresenterScrollBar.hxx | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterScrollBar.hxx b/sdext/source/presenter/PresenterScrollBar.hxx new file mode 100644 index 000000000..b131c8a43 --- /dev/null +++ b/sdext/source/presenter/PresenterScrollBar.hxx @@ -0,0 +1,257 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSCROLLBAR_HXX +#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSCROLLBAR_HXX + +#include "PresenterBitmapContainer.hxx" +#include <com/sun/star/awt/XWindow.hpp> +#include <com/sun/star/drawing/XPresenterHelper.hpp> +#include <com/sun/star/rendering/XCanvas.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/compbase.hxx> + +#include <functional> +#include <memory> + +namespace sdext::presenter { + +class PresenterCanvasHelper; +class PresenterPaintManager; + +typedef ::cppu::WeakComponentImplHelper < + css::awt::XWindowListener, + css::awt::XPaintListener, + css::awt::XMouseListener, + css::awt::XMouseMotionListener +> PresenterScrollBarInterfaceBase; + +/** Base class of horizontal and vertical scroll bars. +*/ +class PresenterScrollBar + : private ::cppu::BaseMutex, + public PresenterScrollBarInterfaceBase +{ +public: + virtual ~PresenterScrollBar() override; + PresenterScrollBar(const PresenterScrollBar&) = delete; + PresenterScrollBar& operator=(const PresenterScrollBar&) = delete; + + virtual void SAL_CALL disposing() override; + + css::uno::Reference<css::uno::XComponentContext> const& + GetComponentContext() const { return mxComponentContext; } + + void SetVisible (const bool bIsVisible); + + /** Set the bounding box of the scroll bar. + */ + void SetPosSize (const css::geometry::RealRectangle2D& rBox); + + /** Set the position of the movable thumb. + @param nPosition + A value between 0 and the last value given to SetTotalSize() + minus the last value given to SetThumbSize(). + */ + void SetThumbPosition ( + double nPosition, + const bool bAsynchronousRepaint); + + double GetThumbPosition() const { return mnThumbPosition;} + + /** Set the upper border of the slider range. + */ + void SetTotalSize (const double nTotalSize); + + /** Set the size of the movable thumb. + @param nThumbSize + A value not larger than the last value given to SetTotalSize(). + */ + void SetThumbSize (const double nThumbSize); + double GetThumbSize() const { return mnThumbSize;} + + void SetLineHeight (const double nLineHeight); + double GetLineHeight() const { return mnLineHeight;} + + /** Set the canvas that is used for painting the scroll bar. + */ + void SetCanvas (const css::uno::Reference<css::rendering::XCanvas>& rxCanvas); + + void SetBackground (const SharedBitmapDescriptor& rpBackgroundBitmap); + + /** Call this after changing total size or thumb position or size to + move the thumb to a valid position. + */ + void CheckValues(); + + /** On some occasions it is necessary to trigger the painting of a + scrollbar from the outside. + */ + void Paint ( + const css::awt::Rectangle& rUpdateBox); + + virtual sal_Int32 GetSize() const = 0; + + // XWindowListener + + virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) override; + + virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) override; + + virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) override; + + virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) override; + + // XPaintListener + + virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent) override; + + // XMouseListener + + virtual void SAL_CALL mousePressed (const css::awt::MouseEvent& rEvent) override; + + virtual void SAL_CALL mouseReleased (const css::awt::MouseEvent& rEvent) override; + + virtual void SAL_CALL mouseEntered (const css::awt::MouseEvent& rEvent) override; + + virtual void SAL_CALL mouseExited (const css::awt::MouseEvent& rEvent) override; + + // XMouseMotionListener + + virtual void SAL_CALL mouseMoved (const css::awt::MouseEvent& rEvent) override; + + virtual void SAL_CALL mouseDragged (const css::awt::MouseEvent& rEvent) override; + + // lang::XEventListener + virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override; + + enum Area { Total, Pager, Thumb, PagerUp, PagerDown, PrevButton, NextButton, None, + AreaCount = None }; + +protected: + css::uno::Reference<css::uno::XComponentContext> mxComponentContext; + css::uno::Reference<css::awt::XWindow> mxWindow; + css::uno::Reference<css::rendering::XCanvas> mxCanvas; + css::uno::Reference<css::drawing::XPresenterHelper> mxPresenterHelper; + std::shared_ptr<PresenterPaintManager> mpPaintManager; + double mnThumbPosition; + double mnTotalSize; + double mnThumbSize; + double mnLineHeight; + css::geometry::RealPoint2D maDragAnchor; + ::std::function<void (double)> maThumbMotionListener; + Area meButtonDownArea; + Area meMouseMoveArea; + css::geometry::RealRectangle2D maBox[AreaCount]; + bool mbIsNotificationActive; + static std::weak_ptr<PresenterBitmapContainer> mpSharedBitmaps; + std::shared_ptr<PresenterBitmapContainer> mpBitmaps; + SharedBitmapDescriptor mpPrevButtonDescriptor; + SharedBitmapDescriptor mpNextButtonDescriptor; + SharedBitmapDescriptor mpPagerStartDescriptor; + SharedBitmapDescriptor mpPagerCenterDescriptor; + SharedBitmapDescriptor mpPagerEndDescriptor; + SharedBitmapDescriptor mpThumbStartDescriptor; + SharedBitmapDescriptor mpThumbCenterDescriptor; + SharedBitmapDescriptor mpThumbEndDescriptor; + bool maEnabledState[AreaCount]; + + css::geometry::RealRectangle2D const & GetRectangle (const Area eArea) const; + virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const = 0; + virtual void UpdateDragAnchor (const double nDragDistance) = 0; + virtual double GetMinor (const double nX, const double nY) const = 0; + virtual void UpdateBorders() = 0; + virtual void UpdateBitmaps() = 0; + virtual void PaintComposite( + const css::awt::Rectangle& rRepaintBox, + const Area eArea, + const SharedBitmapDescriptor& rpStartBitmaps, + const SharedBitmapDescriptor& rpCenterBitmaps, + const SharedBitmapDescriptor& rpEndBitmaps) = 0; + + PresenterScrollBar ( + const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext, + const css::uno::Reference<css::awt::XWindow>& rxParentWindow, + const std::shared_ptr<PresenterPaintManager>& rpPaintManager, + const ::std::function<void (double)>& rThumbMotionListener); + + void Repaint ( + const css::geometry::RealRectangle2D& rBox, + const bool bAsynchronous); + void PaintBackground ( + const css::awt::Rectangle& rRepaintBox); + void PaintBitmap( + const css::awt::Rectangle& rRepaintBox, + const Area eArea, + const SharedBitmapDescriptor& rpBitmaps); + void UpdateWidthOrHeight (sal_Int32& rSize, + const SharedBitmapDescriptor& rpDescriptor); + css::uno::Reference<css::rendering::XBitmap> GetBitmap ( + const Area eArea, + const SharedBitmapDescriptor& rpBitmaps) const; + PresenterBitmapContainer::BitmapDescriptor::Mode GetBitmapMode ( + const Area eArea) const; + bool IsDisabled (const Area eArea) const; + double ValidateThumbPosition (double nPosition); + +private: + class MousePressRepeater; + std::shared_ptr<MousePressRepeater> mpMousePressRepeater; + SharedBitmapDescriptor mpBackgroundBitmap; + std::unique_ptr<PresenterCanvasHelper> mpCanvasHelper; + + Area GetArea (const double nX, const double nY) const; +}; + +/** A vertical scroll bar. +*/ +class PresenterVerticalScrollBar : public PresenterScrollBar +{ +public: + PresenterVerticalScrollBar ( + const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext, + const css::uno::Reference<css::awt::XWindow>& rxParentWindow, + const std::shared_ptr<PresenterPaintManager>& rpPaintManager, + const ::std::function<void (double)>& rThumbMotionListener); + virtual ~PresenterVerticalScrollBar() override; + virtual sal_Int32 GetSize() const override; + +protected: + virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const override; + virtual void UpdateDragAnchor (const double nDragDistance) override; + virtual double GetMinor (const double nX, const double nY) const override; + virtual void UpdateBorders() override; + virtual void UpdateBitmaps() override; + virtual void PaintComposite( + const css::awt::Rectangle& rRepaintBox, + const Area eArea, + const SharedBitmapDescriptor& rpStartBitmaps, + const SharedBitmapDescriptor& rpCenterBitmaps, + const SharedBitmapDescriptor& rpEndBitmaps) override; + +private: + sal_Int32 mnScrollBarWidth; +}; + +} // end of namespace ::sdext::presenter + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |