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139 lines
4.5 KiB
139 lines
4.5 KiB
// Copyright 2014 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#ifndef XFA_FWL_CFWL_SCROLLBAR_H_ |
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#define XFA_FWL_CFWL_SCROLLBAR_H_ |
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#include <memory> |
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#include "core/fxcrt/fx_system.h" |
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#include "xfa/fwl/cfwl_eventscroll.h" |
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#include "xfa/fwl/cfwl_timer.h" |
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#include "xfa/fwl/cfwl_widget.h" |
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#include "xfa/fwl/cfwl_widgetproperties.h" |
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class CFWL_Widget; |
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#define FWL_STYLEEXT_SCB_Horz (0L << 0) |
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#define FWL_STYLEEXT_SCB_Vert (1L << 0) |
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class CFWL_ScrollBar : public CFWL_Widget { |
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public: |
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CFWL_ScrollBar(const CFWL_App* app, |
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std::unique_ptr<CFWL_WidgetProperties> properties, |
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CFWL_Widget* pOuter); |
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~CFWL_ScrollBar() override; |
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// CFWL_Widget |
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FWL_Type GetClassID() const override; |
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void Update() override; |
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void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override; |
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void OnProcessMessage(CFWL_Message* pMessage) override; |
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void OnDrawWidget(CFX_Graphics* pGraphics, |
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const CFX_Matrix* pMatrix) override; |
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void GetRange(FX_FLOAT* fMin, FX_FLOAT* fMax) const { |
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ASSERT(fMin); |
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ASSERT(fMax); |
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*fMin = m_fRangeMin; |
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*fMax = m_fRangeMax; |
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} |
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void SetRange(FX_FLOAT fMin, FX_FLOAT fMax) { |
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m_fRangeMin = fMin; |
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m_fRangeMax = fMax; |
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} |
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FX_FLOAT GetPageSize() const { return m_fPageSize; } |
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void SetPageSize(FX_FLOAT fPageSize) { m_fPageSize = fPageSize; } |
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FX_FLOAT GetStepSize() const { return m_fStepSize; } |
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void SetStepSize(FX_FLOAT fStepSize) { m_fStepSize = fStepSize; } |
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FX_FLOAT GetPos() const { return m_fPos; } |
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void SetPos(FX_FLOAT fPos) { m_fPos = fPos; } |
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void SetTrackPos(FX_FLOAT fTrackPos); |
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private: |
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class Timer : public CFWL_Timer { |
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public: |
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explicit Timer(CFWL_ScrollBar* pToolTip); |
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~Timer() override {} |
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void Run(CFWL_TimerInfo* pTimerInfo) override; |
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}; |
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friend class CFWL_ScrollBar::Timer; |
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bool IsVertical() const { |
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return !!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_SCB_Vert); |
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} |
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void DrawTrack(CFX_Graphics* pGraphics, |
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IFWL_ThemeProvider* pTheme, |
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bool bLower, |
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const CFX_Matrix* pMatrix); |
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void DrawArrowBtn(CFX_Graphics* pGraphics, |
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IFWL_ThemeProvider* pTheme, |
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bool bMinBtn, |
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const CFX_Matrix* pMatrix); |
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void DrawThumb(CFX_Graphics* pGraphics, |
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IFWL_ThemeProvider* pTheme, |
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const CFX_Matrix* pMatrix); |
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void Layout(); |
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void CalcButtonLen(); |
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CFX_RectF CalcMinButtonRect(); |
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CFX_RectF CalcMaxButtonRect(); |
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CFX_RectF CalcThumbButtonRect(const CFX_RectF& rtThumbRect); |
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CFX_RectF CalcMinTrackRect(const CFX_RectF& rtMinRect); |
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CFX_RectF CalcMaxTrackRect(const CFX_RectF& rtMaxRect); |
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FX_FLOAT GetTrackPointPos(const CFX_PointF& point); |
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bool SendEvent(); |
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bool OnScroll(CFWL_EventScroll::Code dwCode, FX_FLOAT fPos); |
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void OnLButtonDown(const CFX_PointF& point); |
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void OnLButtonUp(const CFX_PointF& point); |
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void OnMouseMove(const CFX_PointF& point); |
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void OnMouseLeave(); |
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void OnMouseWheel(const CFX_PointF& delta); |
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bool DoScroll(CFWL_EventScroll::Code dwCode, FX_FLOAT fPos); |
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void DoMouseDown(int32_t iItem, |
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const CFX_RectF& rtItem, |
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int32_t& iState, |
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const CFX_PointF& point); |
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void DoMouseUp(int32_t iItem, |
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const CFX_RectF& rtItem, |
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int32_t& iState, |
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const CFX_PointF& point); |
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void DoMouseMove(int32_t iItem, |
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const CFX_RectF& rtItem, |
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int32_t& iState, |
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const CFX_PointF& point); |
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void DoMouseLeave(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState); |
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void DoMouseHover(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState); |
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CFWL_TimerInfo* m_pTimerInfo; |
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FX_FLOAT m_fRangeMin; |
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FX_FLOAT m_fRangeMax; |
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FX_FLOAT m_fPageSize; |
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FX_FLOAT m_fStepSize; |
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FX_FLOAT m_fPos; |
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FX_FLOAT m_fTrackPos; |
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int32_t m_iMinButtonState; |
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int32_t m_iMaxButtonState; |
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int32_t m_iThumbButtonState; |
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int32_t m_iMinTrackState; |
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int32_t m_iMaxTrackState; |
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FX_FLOAT m_fLastTrackPos; |
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CFX_PointF m_cpTrackPoint; |
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int32_t m_iMouseWheel; |
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bool m_bMouseDown; |
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FX_FLOAT m_fButtonLen; |
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bool m_bMinSize; |
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CFX_RectF m_rtClient; |
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CFX_RectF m_rtThumb; |
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CFX_RectF m_rtMinBtn; |
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CFX_RectF m_rtMaxBtn; |
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CFX_RectF m_rtMinTrack; |
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CFX_RectF m_rtMaxTrack; |
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CFWL_ScrollBar::Timer m_Timer; |
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}; |
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#endif // XFA_FWL_CFWL_SCROLLBAR_H_
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