1 // Copyright 2014 The PDFium Authors 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_CFWL_DATETIMEPICKER_H_ 8 #define XFA_FWL_CFWL_DATETIMEPICKER_H_ 9 10 #include <utility> 11 12 #include "v8/include/cppgc/member.h" 13 #include "xfa/fwl/cfwl_datetimeedit.h" 14 #include "xfa/fwl/cfwl_event.h" 15 #include "xfa/fwl/cfwl_monthcalendar.h" 16 #include "xfa/fwl/cfwl_widget.h" 17 18 #define FWL_STYLEEXT_DTP_ShortDateFormat (1L << 1) 19 #define FWL_STYLEEXT_DTP_EditHAlignMask (3L << 4) 20 #define FWL_STYLEEXT_DTP_EditHNear (0L << 4) 21 #define FWL_STYLEEXT_DTP_EditHCenter (1L << 4) 22 #define FWL_STYLEEXT_DTP_EditHFar (2L << 4) 23 #define FWL_STYLEEXT_DTP_EditVAlignMask (3L << 6) 24 #define FWL_STYLEEXT_DTP_EditVNear (0L << 6) 25 #define FWL_STYLEEXT_DTP_EditVCenter (1L << 6) 26 #define FWL_STYLEEXT_DTP_EditVFar (2L << 6) 27 #define FWL_STYLEEXT_DTP_EditJustified (1L << 8) 28 29 class CFWL_DateTimeEdit; 30 31 class CFWL_DateTimePicker final : public CFWL_Widget { 32 public: 33 CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED; 34 ~CFWL_DateTimePicker() override; 35 36 // CFWL_Widget: 37 void PreFinalize() override; 38 void Trace(cppgc::Visitor* visitor) const override; 39 FWL_Type GetClassID() const override; 40 void Update() override; 41 FWL_WidgetHit HitTest(const CFX_PointF& point) override; 42 void DrawWidget(CFGAS_GEGraphics* pGraphics, 43 const CFX_Matrix& matrix) override; 44 void OnProcessMessage(CFWL_Message* pMessage) override; 45 void OnDrawWidget(CFGAS_GEGraphics* pGraphics, 46 const CFX_Matrix& matrix) override; 47 48 void GetCurSel(int32_t& iYear, int32_t& iMonth, int32_t& iDay); 49 void SetCurSel(int32_t iYear, int32_t iMonth, int32_t iDay); 50 51 void SetEditText(const WideString& wsText); 52 size_t GetEditTextLength() const; 53 WideString GetEditText() const; 54 void ClearText(); 55 56 void SelectAll(); 57 void ClearSelection(); HasSelection()58 bool HasSelection() const { return m_pEdit->HasSelection(); } 59 // Returns <start, count> of the selection. GetSelection()60 std::pair<size_t, size_t> GetSelection() const { 61 return m_pEdit->GetSelection(); 62 } 63 absl::optional<WideString> Copy(); 64 absl::optional<WideString> Cut(); 65 bool Paste(const WideString& wsPaste); 66 bool Undo(); 67 bool Redo(); 68 bool CanUndo(); 69 bool CanRedo(); 70 71 CFX_RectF GetBBox() const; SetEditLimit(int32_t nLimit)72 void SetEditLimit(int32_t nLimit) { m_pEdit->SetLimit(nLimit); } 73 void ModifyEditStyleExts(uint32_t dwStyleExtsAdded, 74 uint32_t dwStyleExtsRemoved); 75 76 bool IsMonthCalendarVisible() const; 77 void ShowMonthCalendar(); 78 void HideMonthCalendar(); 79 void ProcessSelChanged(int32_t iYear, int32_t iMonth, int32_t iDay); 80 81 private: 82 explicit CFWL_DateTimePicker(CFWL_App* pApp); 83 84 void DrawDropDownButton(CFGAS_GEGraphics* pGraphics, 85 const CFX_Matrix& mtMatrix); 86 WideString FormatDateString(int32_t iYear, int32_t iMonth, int32_t iDay); 87 void ResetEditAlignment(); 88 void GetPopupPos(float fMinHeight, 89 float fMaxHeight, 90 const CFX_RectF& rtAnchor, 91 CFX_RectF* pPopupRect); 92 void OnFocusGained(CFWL_Message* pMsg); 93 void OnFocusLost(CFWL_Message* pMsg); 94 void OnLButtonDown(CFWL_MessageMouse* pMsg); 95 void OnLButtonUp(CFWL_MessageMouse* pMsg); 96 void OnMouseMove(CFWL_MessageMouse* pMsg); 97 void OnMouseLeave(CFWL_MessageMouse* pMsg); 98 bool NeedsToShowButton() const; 99 void RepaintInflatedMonthCalRect(); 100 101 bool m_bLBtnDown = false; 102 Mask<CFWL_PartState> m_iBtnState = CFWL_PartState::kChecked; 103 int32_t m_iYear = -1; 104 int32_t m_iMonth = -1; 105 int32_t m_iDay = -1; 106 float m_fBtn = 0.0f; 107 CFX_RectF m_BtnRect; 108 CFX_RectF m_ClientRect; 109 cppgc::Member<CFWL_DateTimeEdit> const m_pEdit; 110 cppgc::Member<CFWL_MonthCalendar> const m_pMonthCal; 111 }; 112 113 #endif // XFA_FWL_CFWL_DATETIMEPICKER_H_ 114