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 FPDFSDK_PWL_CPWL_LIST_IMPL_H_ 8 #define FPDFSDK_PWL_CPWL_LIST_IMPL_H_ 9 10 #include <map> 11 #include <memory> 12 #include <vector> 13 14 #include "core/fxcrt/fx_coordinates.h" 15 #include "core/fxcrt/fx_string.h" 16 #include "core/fxcrt/unowned_ptr.h" 17 18 class CPWL_EditImpl; 19 class CPWL_EditImpl_Iterator; 20 class CPWL_List_Notify; 21 class IPVT_FontMap; 22 23 class CPLST_Select { 24 public: 25 enum State { DESELECTING = -1, NORMAL = 0, SELECTING = 1 }; 26 using const_iterator = std::map<int32_t, State>::const_iterator; 27 28 CPLST_Select(); 29 virtual ~CPLST_Select(); 30 31 void Add(int32_t nItemIndex); 32 void Add(int32_t nBeginIndex, int32_t nEndIndex); 33 void Sub(int32_t nItemIndex); 34 void Sub(int32_t nBeginIndex, int32_t nEndIndex); 35 void DeselectAll(); 36 void Done(); 37 38 const_iterator begin() const { return m_Items.begin(); } 39 const_iterator end() const { return m_Items.end(); } 40 41 private: 42 std::map<int32_t, State> m_Items; 43 }; 44 45 class CPWL_ListCtrl { 46 public: 47 CPWL_ListCtrl(); 48 ~CPWL_ListCtrl(); 49 50 void SetNotify(CPWL_List_Notify* pNotify) { m_pNotify = pNotify; } 51 void OnMouseDown(const CFX_PointF& point, bool bShift, bool bCtrl); 52 void OnMouseMove(const CFX_PointF& point, bool bShift, bool bCtrl); 53 void OnVK_UP(bool bShift, bool bCtrl); 54 void OnVK_DOWN(bool bShift, bool bCtrl); 55 void OnVK_LEFT(bool bShift, bool bCtrl); 56 void OnVK_RIGHT(bool bShift, bool bCtrl); 57 void OnVK_HOME(bool bShift, bool bCtrl); 58 void OnVK_END(bool bShift, bool bCtrl); 59 bool OnChar(uint16_t nChar, bool bShift, bool bCtrl); 60 61 void SetScrollPos(const CFX_PointF& point); 62 void ScrollToListItem(int32_t nItemIndex); 63 CFX_FloatRect GetItemRect(int32_t nIndex) const; 64 int32_t GetCaret() const { return m_nCaretIndex; } 65 int32_t GetSelect() const { return m_nSelItem; } 66 int32_t GetTopItem() const; 67 void SetContentRect(const CFX_FloatRect& rect) { m_rcContent = rect; } 68 CFX_FloatRect GetContentRect() const; 69 70 int32_t GetItemIndex(const CFX_PointF& point) const; 71 void AddString(const WideString& str); 72 void SetTopItem(int32_t nIndex); 73 void Select(int32_t nItemIndex); 74 void SetCaret(int32_t nItemIndex); 75 void Empty(); 76 void Cancel(); 77 WideString GetText() const; 78 79 void SetFontMap(IPVT_FontMap* pFontMap) { m_pFontMap = pFontMap; } 80 void SetFontSize(float fFontSize) { m_fFontSize = fFontSize; } 81 CFX_FloatRect GetPlateRect() const { return m_rcPlate; } 82 void SetPlateRect(const CFX_FloatRect& rect); 83 84 float GetFontSize() const { return m_fFontSize; } 85 CPWL_EditImpl* GetItemEdit(int32_t nIndex) const; 86 int32_t GetCount() const; 87 bool IsItemSelected(int32_t nIndex) const; 88 float GetFirstHeight() const; 89 void SetMultipleSel(bool bMultiple) { m_bMultiple = bMultiple; } 90 bool IsMultipleSel() const { return m_bMultiple; } 91 int32_t FindNext(int32_t nIndex, wchar_t nChar) const; 92 int32_t GetFirstSelected() const; 93 94 private: 95 class Item { 96 public: 97 Item(); 98 ~Item(); 99 100 void SetFontMap(IPVT_FontMap* pFontMap); 101 CPWL_EditImpl* GetEdit() const { return m_pEdit.get(); } 102 103 void SetRect(const CFX_FloatRect& rect) { m_rcListItem = rect; } 104 void SetSelect(bool bSelected) { m_bSelected = bSelected; } 105 void SetText(const WideString& text); 106 void SetFontSize(float fFontSize); 107 WideString GetText() const; 108 109 CFX_FloatRect GetRect() const { return m_rcListItem; } 110 bool IsSelected() const { return m_bSelected; } 111 float GetItemHeight() const; 112 uint16_t GetFirstChar() const; 113 114 private: 115 CPWL_EditImpl_Iterator* GetIterator() const; 116 117 std::unique_ptr<CPWL_EditImpl> m_pEdit; 118 bool m_bSelected; 119 CFX_FloatRect m_rcListItem; 120 }; 121 122 CFX_PointF InToOut(const CFX_PointF& point) const; 123 CFX_PointF OutToIn(const CFX_PointF& point) const; 124 CFX_FloatRect InToOut(const CFX_FloatRect& rect) const; 125 CFX_FloatRect OutToIn(const CFX_FloatRect& rect) const; 126 127 CFX_PointF InnerToOuter(const CFX_PointF& point) const; 128 CFX_PointF OuterToInner(const CFX_PointF& point) const; 129 CFX_FloatRect InnerToOuter(const CFX_FloatRect& rect) const; 130 CFX_FloatRect OuterToInner(const CFX_FloatRect& rect) const; 131 132 void OnVK(int32_t nItemIndex, bool bShift, bool bCtrl); 133 bool IsValid(int32_t nItemIndex) const; 134 135 void ReArrange(int32_t nItemIndex); 136 CFX_FloatRect GetItemRectInternal(int32_t nIndex) const; 137 CFX_FloatRect GetContentRectInternal() const; 138 void SetMultipleSelect(int32_t nItemIndex, bool bSelected); 139 void SetSingleSelect(int32_t nItemIndex); 140 void InvalidateItem(int32_t nItemIndex); 141 void SelectItems(); 142 bool IsItemVisible(int32_t nItemIndex) const; 143 void SetScrollInfo(); 144 void SetScrollPosY(float fy); 145 void AddItem(const WideString& str); 146 WideString GetItemText(int32_t nIndex) const; 147 void SetItemSelect(int32_t nItemIndex, bool bSelected); 148 int32_t GetLastSelected() const; 149 CFX_PointF GetBTPoint() const { 150 return CFX_PointF(m_rcPlate.left, m_rcPlate.top); 151 } 152 153 CFX_FloatRect m_rcPlate; 154 CFX_FloatRect m_rcContent; 155 UnownedPtr<CPWL_List_Notify> m_pNotify; 156 bool m_bNotifyFlag; 157 CFX_PointF m_ptScrollPos; 158 CPLST_Select m_aSelItems; // for multiple 159 int32_t m_nSelItem; // for single 160 int32_t m_nFootIndex; // for multiple 161 bool m_bCtrlSel; // for multiple 162 int32_t m_nCaretIndex; // for multiple 163 std::vector<std::unique_ptr<Item>> m_ListItems; 164 float m_fFontSize; 165 UnownedPtr<IPVT_FontMap> m_pFontMap; 166 bool m_bMultiple; 167 }; 168 169 #endif // FPDFSDK_PWL_CPWL_LIST_IMPL_H_ 170
