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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_VCL_SCRBAR_HXX
#define INCLUDED_VCL_SCRBAR_HXX
#include <vcl/dllapi.h>
#include <vcl/ctrl.hxx>
#include <memory>
enum class ScrollType
{
DontKnow,
LineUp, LineDown,
PageUp, PageDown,
Drag
};
struct ImplScrollBarData;
class VCL_DLLPUBLIC ScrollBar : public Control
{
private:
tools::Rectangle maBtn1Rect;
tools::Rectangle maBtn2Rect;
tools::Rectangle maPage1Rect;
tools::Rectangle maPage2Rect;
tools::Rectangle maThumbRect;
tools::Rectangle maTrackRect;
std::unique_ptr<ImplScrollBarData> mpData;
tools::Long mnStartPos;
tools::Long mnMouseOff;
tools::Long mnThumbPixRange;
tools::Long mnThumbPixPos;
tools::Long mnThumbPixSize;
tools::Long mnMinRange;
tools::Long mnMaxRange;
tools::Long mnThumbPos;
tools::Long mnVisibleSize;
tools::Long mnLineSize;
tools::Long mnPageSize;
tools::Long mnDelta;
sal_uInt16 mnStateFlags;
ScrollType meScrollType;
bool mbCalcSize;
bool mbFullDrag;
Link<ScrollBar*,void> maScrollHdl;
Link<ScrollBar*,void> maEndScrollHdl;
SAL_DLLPRIVATE tools::Rectangle* ImplFindPartRect( const Point& rPt );
using Window::ImplInit;
SAL_DLLPRIVATE void ImplInit( vcl::Window* pParent, WinBits nStyle );
SAL_DLLPRIVATE void ImplInitStyle( WinBits nStyle );
SAL_DLLPRIVATE void ImplUpdateRects( bool bUpdate = true );
SAL_DLLPRIVATE tools::Long ImplCalcThumbPos( tools::Long nPixPos );
SAL_DLLPRIVATE tools::Long ImplCalcThumbPosPix( tools::Long nPos );
SAL_DLLPRIVATE void ImplCalc( bool bUpdate = true );
SAL_DLLPRIVATE void ImplDraw(vcl::RenderContext& rRenderContext);
using Window::ImplScroll;
SAL_DLLPRIVATE tools::Long ImplScroll( tools::Long nNewPos, bool bCallEndScroll );
SAL_DLLPRIVATE tools::Long ImplDoAction( bool bCallEndScroll );
SAL_DLLPRIVATE void ImplDoMouseAction( const Point& rPos, bool bCallAction = true );
SAL_DLLPRIVATE void ImplInvert();
SAL_DLLPRIVATE bool ImplDrawNative(vcl::RenderContext& rRenderContext, sal_uInt16 nDrawFlags);
SAL_DLLPRIVATE void ImplDragThumb( const Point& rMousePos );
SAL_DLLPRIVATE Size getCurrentCalcSize() const;
DECL_DLLPRIVATE_LINK( ImplAutoTimerHdl, Timer*, void );
public:
explicit ScrollBar( vcl::Window* pParent, WinBits nStyle = WB_VERT );
virtual ~ScrollBar() override;
virtual void dispose() override;
virtual void MouseButtonDown(const MouseEvent& rMEvt) override;
virtual void Tracking(const TrackingEvent& rTEvt) override;
virtual void KeyInput(const KeyEvent& rKEvt) override;
virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
virtual void Draw(OutputDevice* pDev, const Point& rPos, DrawFlags nFlags) override;
virtual void Move() override;
virtual void Resize() override;
virtual void StateChanged(StateChangedType nType) override;
virtual void DataChanged(const DataChangedEvent& rDCEvt) override;
virtual bool PreNotify(NotifyEvent& rNEvt) override;
virtual void GetFocus() override;
virtual void LoseFocus() override;
virtual void ApplySettings(vcl::RenderContext& rRenderContext) override;
using Window::Scroll;
void Scroll();
virtual void EndScroll();
tools::Long DoScroll( tools::Long nNewPos );
tools::Long DoScrollAction( ScrollType eScrollType );
void EnableDrag() { mbFullDrag = true; }
void SetRangeMin( tools::Long nNewRange );
tools::Long GetRangeMin() const { return mnMinRange; }
void SetRangeMax( tools::Long nNewRange );
tools::Long GetRangeMax() const { return mnMaxRange; }
void SetRange( const Range& rRange );
Range GetRange() const { return Range( GetRangeMin(), GetRangeMax() ); }
void SetThumbPos( tools::Long nThumbPos );
tools::Long GetThumbPos() const { return mnThumbPos; }
void SetLineSize( tools::Long nNewSize ) { mnLineSize = nNewSize; }
tools::Long GetLineSize() const { return mnLineSize; }
void SetPageSize( tools::Long nNewSize ) { mnPageSize = nNewSize; }
tools::Long GetPageSize() const { return mnPageSize; }
void SetVisibleSize( tools::Long nNewSize );
tools::Long GetVisibleSize() const { return mnVisibleSize; }
tools::Long GetDelta() const { return mnDelta; }
ScrollType GetType() const { return meScrollType; }
void SetScrollHdl( const Link<ScrollBar*,void>& rLink ) { maScrollHdl = rLink; }
const Link<ScrollBar*,void>& GetScrollHdl() const { return maScrollHdl; }
void SetEndScrollHdl( const Link<ScrollBar*,void>& rLink ) { maEndScrollHdl = rLink; }
virtual Size GetOptimalSize() const override;
};
class VCL_DLLPUBLIC ScrollBarBox final : public vcl::Window
{
private:
using Window::ImplInit;
SAL_DLLPRIVATE void ImplInit( vcl::Window* pParent, WinBits nStyle );
virtual void ApplySettings(vcl::RenderContext& rRenderContext) override;
public:
explicit ScrollBarBox( vcl::Window* pParent, WinBits nStyle = 0 );
virtual void StateChanged( StateChangedType nType ) override;
virtual void DataChanged( const DataChangedEvent& rDCEvt ) override;
};
#endif // INCLUDED_VCL_SCRBAR_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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