| // 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_FXEDIT_FXET_LIST_H_ |
| #define FPDFSDK_FXEDIT_FXET_LIST_H_ |
| |
| #include <map> |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fxcrt/cfx_unowned_ptr.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "fpdfsdk/fxedit/fx_edit.h" |
| |
| class CFX_Edit; |
| class CFX_Edit_Iterator; |
| class CPWL_List_Notify; |
| |
| class CLST_Rect : public CFX_FloatRect { |
| public: |
| CLST_Rect() { left = top = right = bottom = 0.0f; } |
| |
| CLST_Rect(float other_left, |
| float other_top, |
| float other_right, |
| float other_bottom) { |
| left = other_left; |
| top = other_top; |
| right = other_right; |
| bottom = other_bottom; |
| } |
| |
| explicit CLST_Rect(const CFX_FloatRect& rect) { |
| left = rect.left; |
| top = rect.top; |
| right = rect.right; |
| bottom = rect.bottom; |
| } |
| |
| ~CLST_Rect() {} |
| |
| void Default() { left = top = right = bottom = 0.0f; } |
| |
| const CLST_Rect operator=(const CFX_FloatRect& rect) { |
| left = rect.left; |
| top = rect.top; |
| right = rect.right; |
| bottom = rect.bottom; |
| |
| return *this; |
| } |
| |
| bool operator==(const CLST_Rect& rect) const { |
| return memcmp(this, &rect, sizeof(CLST_Rect)) == 0; |
| } |
| |
| bool operator!=(const CLST_Rect& rect) const { return !(*this == rect); } |
| |
| float Width() const { return right - left; } |
| |
| float Height() const { |
| if (top > bottom) |
| return top - bottom; |
| return bottom - top; |
| } |
| |
| CFX_PointF LeftTop() const { return CFX_PointF(left, top); } |
| |
| CFX_PointF RightBottom() const { return CFX_PointF(right, bottom); } |
| |
| const CLST_Rect operator+=(const CFX_PointF& point) { |
| left += point.x; |
| right += point.x; |
| top += point.y; |
| bottom += point.y; |
| |
| return *this; |
| } |
| |
| const CLST_Rect operator-=(const CFX_PointF& point) { |
| left -= point.x; |
| right -= point.x; |
| top -= point.y; |
| bottom -= point.y; |
| |
| return *this; |
| } |
| |
| CLST_Rect operator+(const CFX_PointF& point) const { |
| return CLST_Rect(left + point.x, top + point.y, right + point.x, |
| bottom + point.y); |
| } |
| |
| CLST_Rect operator-(const CFX_PointF& point) const { |
| return CLST_Rect(left - point.x, top - point.y, right - point.x, |
| bottom - point.y); |
| } |
| }; |
| |
| class CFX_ListItem final { |
| public: |
| CFX_ListItem(); |
| ~CFX_ListItem(); |
| |
| void SetFontMap(IPVT_FontMap* pFontMap); |
| CFX_Edit* GetEdit() const; |
| |
| void SetRect(const CLST_Rect& rect); |
| void SetSelect(bool bSelected); |
| void SetText(const CFX_WideString& text); |
| void SetFontSize(float fFontSize); |
| CFX_WideString GetText() const; |
| |
| CLST_Rect GetRect() const; |
| bool IsSelected() const; |
| float GetItemHeight() const; |
| uint16_t GetFirstChar() const; |
| |
| private: |
| CFX_Edit_Iterator* GetIterator() const; |
| |
| std::unique_ptr<CFX_Edit> m_pEdit; |
| bool m_bSelected; |
| CLST_Rect m_rcListItem; |
| }; |
| |
| class CFX_ListContainer { |
| public: |
| CFX_ListContainer(); |
| virtual ~CFX_ListContainer(); |
| |
| virtual void SetPlateRect(const CFX_FloatRect& rect); |
| |
| CFX_FloatRect GetPlateRect() const { return m_rcPlate; } |
| void SetContentRect(const CLST_Rect& rect) { m_rcContent = rect; } |
| CLST_Rect GetContentRect() const { return m_rcContent; } |
| CFX_PointF GetBTPoint() const { |
| return CFX_PointF(m_rcPlate.left, m_rcPlate.top); |
| } |
| CFX_PointF GetETPoint() const { |
| return CFX_PointF(m_rcPlate.right, m_rcPlate.bottom); |
| } |
| |
| public: |
| CFX_PointF InnerToOuter(const CFX_PointF& point) const { |
| return CFX_PointF(point.x + GetBTPoint().x, GetBTPoint().y - point.y); |
| } |
| CFX_PointF OuterToInner(const CFX_PointF& point) const { |
| return CFX_PointF(point.x - GetBTPoint().x, GetBTPoint().y - point.y); |
| } |
| CFX_FloatRect InnerToOuter(const CLST_Rect& rect) const { |
| CFX_PointF ptLeftTop = InnerToOuter(CFX_PointF(rect.left, rect.top)); |
| CFX_PointF ptRightBottom = |
| InnerToOuter(CFX_PointF(rect.right, rect.bottom)); |
| return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x, |
| ptLeftTop.y); |
| } |
| CLST_Rect OuterToInner(const CFX_FloatRect& rect) const { |
| CFX_PointF ptLeftTop = OuterToInner(CFX_PointF(rect.left, rect.top)); |
| CFX_PointF ptRightBottom = |
| OuterToInner(CFX_PointF(rect.right, rect.bottom)); |
| return CLST_Rect(ptLeftTop.x, ptLeftTop.y, ptRightBottom.x, |
| ptRightBottom.y); |
| } |
| |
| private: |
| CFX_FloatRect m_rcPlate; |
| CLST_Rect m_rcContent; // positive forever! |
| }; |
| |
| class CPLST_Select { |
| public: |
| enum State { DESELECTING = -1, NORMAL = 0, SELECTING = 1 }; |
| using const_iterator = std::map<int32_t, State>::const_iterator; |
| |
| CPLST_Select(); |
| virtual ~CPLST_Select(); |
| |
| void Add(int32_t nItemIndex); |
| void Add(int32_t nBeginIndex, int32_t nEndIndex); |
| void Sub(int32_t nItemIndex); |
| void Sub(int32_t nBeginIndex, int32_t nEndIndex); |
| void DeselectAll(); |
| void Done(); |
| |
| const_iterator begin() const { return m_Items.begin(); } |
| const_iterator end() const { return m_Items.end(); } |
| |
| private: |
| std::map<int32_t, State> m_Items; |
| }; |
| |
| class CFX_ListCtrl : protected CFX_ListContainer { |
| public: |
| CFX_ListCtrl(); |
| ~CFX_ListCtrl() override; |
| |
| // CFX_ListContainer |
| void SetPlateRect(const CFX_FloatRect& rect) override; |
| |
| void SetNotify(CPWL_List_Notify* pNotify); |
| void OnMouseDown(const CFX_PointF& point, bool bShift, bool bCtrl); |
| void OnMouseMove(const CFX_PointF& point, bool bShift, bool bCtrl); |
| void OnVK_UP(bool bShift, bool bCtrl); |
| void OnVK_DOWN(bool bShift, bool bCtrl); |
| void OnVK_LEFT(bool bShift, bool bCtrl); |
| void OnVK_RIGHT(bool bShift, bool bCtrl); |
| void OnVK_HOME(bool bShift, bool bCtrl); |
| void OnVK_END(bool bShift, bool bCtrl); |
| void OnVK(int32_t nItemIndex, bool bShift, bool bCtrl); |
| bool OnChar(uint16_t nChar, bool bShift, bool bCtrl); |
| |
| void SetScrollPos(const CFX_PointF& point); |
| void ScrollToListItem(int32_t nItemIndex); |
| CFX_FloatRect GetItemRect(int32_t nIndex) const; |
| int32_t GetCaret() const; |
| int32_t GetSelect() const; |
| int32_t GetTopItem() const; |
| CFX_FloatRect GetContentRect() const; |
| int32_t GetItemIndex(const CFX_PointF& point) const; |
| void AddString(const CFX_WideString& str); |
| void SetTopItem(int32_t nIndex); |
| void Select(int32_t nItemIndex); |
| void SetCaret(int32_t nItemIndex); |
| void Empty(); |
| void Cancel(); |
| CFX_WideString GetText() const; |
| |
| void SetFontMap(IPVT_FontMap* pFontMap); |
| void SetFontSize(float fFontSize); |
| CFX_FloatRect GetPlateRect() const; |
| float GetFontSize() const; |
| CFX_Edit* GetItemEdit(int32_t nIndex) const; |
| int32_t GetCount() const; |
| bool IsItemSelected(int32_t nIndex) const; |
| float GetFirstHeight() const; |
| void SetMultipleSel(bool bMultiple); |
| bool IsMultipleSel() const; |
| bool IsValid(int32_t nItemIndex) const; |
| int32_t FindNext(int32_t nIndex, wchar_t nChar) const; |
| int32_t GetFirstSelected() const; |
| |
| CFX_PointF InToOut(const CFX_PointF& point) const; |
| CFX_PointF OutToIn(const CFX_PointF& point) const; |
| CFX_FloatRect InToOut(const CFX_FloatRect& rect) const; |
| CFX_FloatRect OutToIn(const CFX_FloatRect& rect) const; |
| |
| private: |
| void ReArrange(int32_t nItemIndex); |
| CFX_FloatRect GetItemRectInternal(int32_t nIndex) const; |
| CFX_FloatRect GetContentRectInternal() const; |
| void SetMultipleSelect(int32_t nItemIndex, bool bSelected); |
| void SetSingleSelect(int32_t nItemIndex); |
| void InvalidateItem(int32_t nItemIndex); |
| void SelectItems(); |
| bool IsItemVisible(int32_t nItemIndex) const; |
| void SetScrollInfo(); |
| void SetScrollPosY(float fy); |
| void AddItem(const CFX_WideString& str); |
| CFX_WideString GetItemText(int32_t nIndex) const; |
| void SetItemSelect(int32_t nItemIndex, bool bSelected); |
| int32_t GetLastSelected() const; |
| |
| CFX_UnownedPtr<CPWL_List_Notify> m_pNotify; |
| bool m_bNotifyFlag; |
| CFX_PointF m_ptScrollPos; |
| CPLST_Select m_aSelItems; // for multiple |
| int32_t m_nSelItem; // for single |
| int32_t m_nFootIndex; // for multiple |
| bool m_bCtrlSel; // for multiple |
| int32_t m_nCaretIndex; // for multiple |
| std::vector<std::unique_ptr<CFX_ListItem>> m_ListItems; |
| float m_fFontSize; |
| CFX_UnownedPtr<IPVT_FontMap> m_pFontMap; |
| bool m_bMultiple; |
| }; |
| |
| #endif // FPDFSDK_FXEDIT_FXET_LIST_H_ |