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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef XFA_FWL_CORE_IFWL_SCROLLBAR_H_ | |
| 8 #define XFA_FWL_CORE_IFWL_SCROLLBAR_H_ | |
| 9 | |
| 10 #include <memory> | |
| 11 | |
| 12 #include "core/fxcrt/fx_system.h" | |
| 13 #include "xfa/fwl/core/cfwl_evtscroll.h" | |
| 14 #include "xfa/fwl/core/cfwl_timer.h" | |
| 15 #include "xfa/fwl/core/cfwl_widgetproperties.h" | |
| 16 #include "xfa/fwl/core/ifwl_widget.h" | |
| 17 | |
| 18 class IFWL_Widget; | |
| 19 | |
| 20 #define FWL_STYLEEXT_SCB_Horz (0L << 0) | |
| 21 #define FWL_STYLEEXT_SCB_Vert (1L << 0) | |
| 22 | |
| 23 class IFWL_ScrollBar : public IFWL_Widget { | |
| 24 public: | |
| 25 IFWL_ScrollBar(const CFWL_App* app, | |
| 26 std::unique_ptr<CFWL_WidgetProperties> properties, | |
| 27 IFWL_Widget* pOuter); | |
| 28 ~IFWL_ScrollBar() override; | |
| 29 | |
| 30 // IFWL_Widget | |
| 31 FWL_Type GetClassID() const override; | |
| 32 void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override; | |
| 33 void Update() override; | |
| 34 void DrawWidget(CFX_Graphics* pGraphics, | |
| 35 const CFX_Matrix* pMatrix = nullptr) override; | |
| 36 void OnProcessMessage(CFWL_Message* pMessage) override; | |
| 37 void OnDrawWidget(CFX_Graphics* pGraphics, | |
| 38 const CFX_Matrix* pMatrix) override; | |
| 39 | |
| 40 void GetRange(FX_FLOAT* fMin, FX_FLOAT* fMax) const { | |
| 41 ASSERT(fMin); | |
| 42 ASSERT(fMax); | |
| 43 *fMin = m_fRangeMin; | |
| 44 *fMax = m_fRangeMax; | |
| 45 } | |
| 46 void SetRange(FX_FLOAT fMin, FX_FLOAT fMax) { | |
| 47 m_fRangeMin = fMin; | |
| 48 m_fRangeMax = fMax; | |
| 49 } | |
| 50 FX_FLOAT GetPageSize() const { return m_fPageSize; } | |
| 51 void SetPageSize(FX_FLOAT fPageSize) { m_fPageSize = fPageSize; } | |
| 52 FX_FLOAT GetStepSize() const { return m_fStepSize; } | |
| 53 void SetStepSize(FX_FLOAT fStepSize) { m_fStepSize = fStepSize; } | |
| 54 FX_FLOAT GetPos() const { return m_fPos; } | |
| 55 void SetPos(FX_FLOAT fPos) { m_fPos = fPos; } | |
| 56 void SetTrackPos(FX_FLOAT fTrackPos); | |
| 57 | |
| 58 private: | |
| 59 class Timer : public CFWL_Timer { | |
| 60 public: | |
| 61 explicit Timer(IFWL_ScrollBar* pToolTip); | |
| 62 ~Timer() override {} | |
| 63 | |
| 64 void Run(CFWL_TimerInfo* pTimerInfo) override; | |
| 65 }; | |
| 66 friend class IFWL_ScrollBar::Timer; | |
| 67 | |
| 68 bool IsVertical() const { | |
| 69 return !!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_SCB_Vert); | |
| 70 } | |
| 71 void DrawTrack(CFX_Graphics* pGraphics, | |
| 72 IFWL_ThemeProvider* pTheme, | |
| 73 bool bLower = true, | |
| 74 const CFX_Matrix* pMatrix = nullptr); | |
| 75 void DrawArrowBtn(CFX_Graphics* pGraphics, | |
| 76 IFWL_ThemeProvider* pTheme, | |
| 77 bool bMinBtn = true, | |
| 78 const CFX_Matrix* pMatrix = nullptr); | |
| 79 void DrawThumb(CFX_Graphics* pGraphics, | |
| 80 IFWL_ThemeProvider* pTheme, | |
| 81 const CFX_Matrix* pMatrix = nullptr); | |
| 82 void Layout(); | |
| 83 void CalcButtonLen(); | |
| 84 void CalcMinButtonRect(CFX_RectF& rect); | |
| 85 void CalcMaxButtonRect(CFX_RectF& rect); | |
| 86 void CalcThumbButtonRect(CFX_RectF& rect); | |
| 87 void CalcMinTrackRect(CFX_RectF& rect); | |
| 88 void CalcMaxTrackRect(CFX_RectF& rect); | |
| 89 FX_FLOAT GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy); | |
| 90 void GetTrackRect(CFX_RectF& rect, bool bLower = true); | |
| 91 bool SendEvent(); | |
| 92 bool OnScroll(FWL_SCBCODE dwCode, FX_FLOAT fPos); | |
| 93 void OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy); | |
| 94 void OnLButtonUp(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy); | |
| 95 void OnMouseMove(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy); | |
| 96 void OnMouseLeave(); | |
| 97 void OnMouseWheel(FX_FLOAT fx, | |
| 98 FX_FLOAT fy, | |
| 99 uint32_t dwFlags, | |
| 100 FX_FLOAT fDeltaX, | |
| 101 FX_FLOAT fDeltaY); | |
| 102 bool DoScroll(FWL_SCBCODE dwCode, FX_FLOAT fPos = 0.0f); | |
| 103 void DoMouseDown(int32_t iItem, | |
| 104 const CFX_RectF& rtItem, | |
| 105 int32_t& iState, | |
| 106 FX_FLOAT fx, | |
| 107 FX_FLOAT fy); | |
| 108 void DoMouseUp(int32_t iItem, | |
| 109 const CFX_RectF& rtItem, | |
| 110 int32_t& iState, | |
| 111 FX_FLOAT fx, | |
| 112 FX_FLOAT fy); | |
| 113 void DoMouseMove(int32_t iItem, | |
| 114 const CFX_RectF& rtItem, | |
| 115 int32_t& iState, | |
| 116 FX_FLOAT fx, | |
| 117 FX_FLOAT fy); | |
| 118 void DoMouseLeave(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState); | |
| 119 void DoMouseHover(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState); | |
| 120 | |
| 121 CFWL_TimerInfo* m_pTimerInfo; | |
| 122 FX_FLOAT m_fRangeMin; | |
| 123 FX_FLOAT m_fRangeMax; | |
| 124 FX_FLOAT m_fPageSize; | |
| 125 FX_FLOAT m_fStepSize; | |
| 126 FX_FLOAT m_fPos; | |
| 127 FX_FLOAT m_fTrackPos; | |
| 128 int32_t m_iMinButtonState; | |
| 129 int32_t m_iMaxButtonState; | |
| 130 int32_t m_iThumbButtonState; | |
| 131 int32_t m_iMinTrackState; | |
| 132 int32_t m_iMaxTrackState; | |
| 133 FX_FLOAT m_fLastTrackPos; | |
| 134 FX_FLOAT m_cpTrackPointX; | |
| 135 FX_FLOAT m_cpTrackPointY; | |
| 136 int32_t m_iMouseWheel; | |
| 137 bool m_bMouseDown; | |
| 138 FX_FLOAT m_fButtonLen; | |
| 139 bool m_bMinSize; | |
| 140 CFX_RectF m_rtClient; | |
| 141 CFX_RectF m_rtThumb; | |
| 142 CFX_RectF m_rtMinBtn; | |
| 143 CFX_RectF m_rtMaxBtn; | |
| 144 CFX_RectF m_rtMinTrack; | |
| 145 CFX_RectF m_rtMaxTrack; | |
| 146 FX_FLOAT m_fMinThumb; | |
| 147 IFWL_ScrollBar::Timer m_Timer; | |
| 148 }; | |
| 149 | |
| 150 #endif // XFA_FWL_CORE_IFWL_SCROLLBAR_H_ | |
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Chromium Code Reviews
Issue 2525083002:
Rename IFWL classes which do not have CFWL equivalents (Closed)
