From c411eb943bb51e16ff4fb5a6ffb06e277ca6a982 Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Tue, 25 Jul 2017 09:39:30 -0400 Subject: Move fpdfsdk/pdfwindow to fpdfsdk/pwl This makes it clearer what the directory contains. Change-Id: I34fc38dd30b8e0f6e057052ea33c8b5a10f1b9c3 Reviewed-on: https://pdfium-review.googlesource.com/8791 Commit-Queue: dsinclair Reviewed-by: Henrique Nakashima Reviewed-by: Tom Sepez --- fpdfsdk/pwl/cpwl_scroll_bar.h | 184 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 fpdfsdk/pwl/cpwl_scroll_bar.h (limited to 'fpdfsdk/pwl/cpwl_scroll_bar.h') diff --git a/fpdfsdk/pwl/cpwl_scroll_bar.h b/fpdfsdk/pwl/cpwl_scroll_bar.h new file mode 100644 index 0000000000..c78b6e36f8 --- /dev/null +++ b/fpdfsdk/pwl/cpwl_scroll_bar.h @@ -0,0 +1,184 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef FPDFSDK_PWL_CPWL_SCROLL_BAR_H_ +#define FPDFSDK_PWL_CPWL_SCROLL_BAR_H_ + +#include "core/fxcrt/cfx_unowned_ptr.h" +#include "fpdfsdk/pwl/cpwl_wnd.h" + +class CPWL_SBButton; +class CPWL_ScrollBar; + +struct PWL_SCROLL_INFO { + public: + PWL_SCROLL_INFO() + : fContentMin(0.0f), + fContentMax(0.0f), + fPlateWidth(0.0f), + fBigStep(0.0f), + fSmallStep(0.0f) {} + + bool operator==(const PWL_SCROLL_INFO& that) const { + return fContentMin == that.fContentMin && fContentMax == that.fContentMax && + fPlateWidth == that.fPlateWidth && fBigStep == that.fBigStep && + fSmallStep == that.fSmallStep; + } + bool operator!=(const PWL_SCROLL_INFO& that) const { + return !(*this == that); + } + + float fContentMin; + float fContentMax; + float fPlateWidth; + float fBigStep; + float fSmallStep; +}; + +enum PWL_SCROLLBAR_TYPE { SBT_HSCROLL, SBT_VSCROLL }; + +enum PWL_SBBUTTON_TYPE { PSBT_MIN, PSBT_MAX, PSBT_POS }; + +class CPWL_SBButton : public CPWL_Wnd { + public: + CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType, + PWL_SBBUTTON_TYPE eButtonType); + ~CPWL_SBButton() override; + + // CPWL_Wnd + CFX_ByteString GetClassName() const override; + void OnCreate(PWL_CREATEPARAM& cp) override; + void DrawThisAppearance(CFX_RenderDevice* pDevice, + CFX_Matrix* pUser2Device) override; + bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override; + bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) override; + bool OnMouseMove(const CFX_PointF& point, uint32_t nFlag) override; + + protected: + PWL_SCROLLBAR_TYPE m_eScrollBarType; + PWL_SBBUTTON_TYPE m_eSBButtonType; + + bool m_bMouseDown; +}; + +struct PWL_FLOATRANGE { + public: + PWL_FLOATRANGE(); + PWL_FLOATRANGE(float min, float max); + + bool operator==(const PWL_FLOATRANGE& that) const { + return fMin == that.fMin && fMax == that.fMax; + } + bool operator!=(const PWL_FLOATRANGE& that) const { return !(*this == that); } + + void Default(); + void Set(float min, float max); + bool In(float x) const; + float GetWidth() const; + + float fMin; + float fMax; +}; + +struct PWL_SCROLL_PRIVATEDATA { + public: + PWL_SCROLL_PRIVATEDATA(); + + bool operator==(const PWL_SCROLL_PRIVATEDATA& that) const { + return ScrollRange == that.ScrollRange && + fClientWidth == that.fClientWidth && fScrollPos == that.fScrollPos && + fBigStep == that.fBigStep && fSmallStep == that.fSmallStep; + } + bool operator!=(const PWL_SCROLL_PRIVATEDATA& that) const { + return !(*this == that); + } + + void Default(); + void SetScrollRange(float min, float max); + void SetClientWidth(float width); + void SetSmallStep(float step); + void SetBigStep(float step); + bool SetPos(float pos); + + void AddSmall(); + void SubSmall(); + void AddBig(); + void SubBig(); + + PWL_FLOATRANGE ScrollRange; + float fClientWidth; + float fScrollPos; + float fBigStep; + float fSmallStep; +}; + +class CPWL_ScrollBar : public CPWL_Wnd { + public: + explicit CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType = SBT_HSCROLL); + ~CPWL_ScrollBar() override; + + // CPWL_Wnd + CFX_ByteString GetClassName() const override; + void OnCreate(PWL_CREATEPARAM& cp) override; + void OnDestroy() override; + void RePosChildWnd() override; + void DrawThisAppearance(CFX_RenderDevice* pDevice, + CFX_Matrix* pUser2Device) override; + bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override; + bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) override; + void SetScrollInfo(const PWL_SCROLL_INFO& info) override; + void SetScrollPosition(float pos) override; + void NotifyLButtonDown(CPWL_Wnd* child, const CFX_PointF& pos) override; + void NotifyLButtonUp(CPWL_Wnd* child, const CFX_PointF& pos) override; + void NotifyMouseMove(CPWL_Wnd* child, const CFX_PointF& pos) override; + void CreateChildWnd(const PWL_CREATEPARAM& cp) override; + void TimerProc() override; + + float GetScrollBarWidth() const; + PWL_SCROLLBAR_TYPE GetScrollBarType() const { return m_sbType; } + + void SetNotifyForever(bool bForever) { m_bNotifyForever = bForever; } + + protected: + void SetScrollRange(float fMin, float fMax, float fClientWidth); + void SetScrollPos(float fPos); + void MovePosButton(bool bRefresh); + void SetScrollStep(float fBigStep, float fSmallStep); + void NotifyScrollWindow(); + CFX_FloatRect GetScrollArea() const; + + private: + void CreateButtons(const PWL_CREATEPARAM& cp); + + void OnMinButtonLBDown(const CFX_PointF& point); + void OnMinButtonLBUp(const CFX_PointF& point); + void OnMinButtonMouseMove(const CFX_PointF& point); + + void OnMaxButtonLBDown(const CFX_PointF& point); + void OnMaxButtonLBUp(const CFX_PointF& point); + void OnMaxButtonMouseMove(const CFX_PointF& point); + + void OnPosButtonLBDown(const CFX_PointF& point); + void OnPosButtonLBUp(const CFX_PointF& point); + void OnPosButtonMouseMove(const CFX_PointF& point); + + float TrueToFace(float); + float FaceToTrue(float); + + PWL_SCROLLBAR_TYPE m_sbType; + PWL_SCROLL_INFO m_OriginInfo; + CFX_UnownedPtr m_pMinButton; + CFX_UnownedPtr m_pMaxButton; + CFX_UnownedPtr m_pPosButton; + PWL_SCROLL_PRIVATEDATA m_sData; + bool m_bMouseDown; + bool m_bMinOrMax; + bool m_bNotifyForever; + float m_nOldPos; + float m_fOldPosButton; +}; + +#endif // FPDFSDK_PWL_CPWL_SCROLL_BAR_H_ -- cgit v1.2.3