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Diffstat (limited to 'include/vcl/scrbar.hxx')
| -rw-r--r-- | include/vcl/scrbar.hxx | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/include/vcl/scrbar.hxx b/include/vcl/scrbar.hxx new file mode 100644 index 000000000..77cbbb657 --- /dev/null +++ b/include/vcl/scrbar.hxx @@ -0,0 +1,158 @@ +/* -*- 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 ) const; + SAL_DLLPRIVATE tools::Long ImplCalcThumbPosPix( tools::Long nPos ) const; + 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 SystemTextColorFlags); + 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, SystemTextColorFlags 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: */ |