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/* -*- 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: */
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