// 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 <memory> #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(FX_FLOAT other_left, FX_FLOAT other_top, FX_FLOAT other_right, FX_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 FXSYS_memcmp(this, &rect, sizeof(CLST_Rect)) == 0; } bool operator!=(const CLST_Rect& rect) const { return !(*this == rect); } FX_FLOAT Width() const { return right - left; } FX_FLOAT Height() const { if (top > bottom) return top - bottom; return bottom - top; } CFX_FloatPoint LeftTop() const { return CFX_FloatPoint(left, top); } CFX_FloatPoint RightBottom() const { return CFX_FloatPoint(right, bottom); } const CLST_Rect operator+=(const CFX_FloatPoint& point) { left += point.x; right += point.x; top += point.y; bottom += point.y; return *this; } const CLST_Rect operator-=(const CFX_FloatPoint& point) { left -= point.x; right -= point.x; top -= point.y; bottom -= point.y; return *this; } CLST_Rect operator+(const CFX_FloatPoint& point) const { return CLST_Rect(left + point.x, top + point.y, right + point.x, bottom + point.y); } CLST_Rect operator-(const CFX_FloatPoint& 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(FX_FLOAT fFontSize); CFX_WideString GetText() const; CLST_Rect GetRect() const; bool IsSelected() const; FX_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_FloatPoint GetBTPoint() const { return CFX_FloatPoint(m_rcPlate.left, m_rcPlate.top); } CFX_FloatPoint GetETPoint() const { return CFX_FloatPoint(m_rcPlate.right, m_rcPlate.bottom); } public: CFX_FloatPoint InnerToOuter(const CFX_FloatPoint& point) const { return CFX_FloatPoint(point.x + GetBTPoint().x, GetBTPoint().y - point.y); } CFX_FloatPoint OuterToInner(const CFX_FloatPoint& point) const { return CFX_FloatPoint(point.x - GetBTPoint().x, GetBTPoint().y - point.y); } CFX_FloatRect InnerToOuter(const CLST_Rect& rect) const { CFX_FloatPoint ptLeftTop = InnerToOuter(CFX_FloatPoint(rect.left, rect.top)); CFX_FloatPoint ptRightBottom = InnerToOuter(CFX_FloatPoint(rect.right, rect.bottom)); return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x, ptLeftTop.y); } CLST_Rect OuterToInner(const CFX_FloatRect& rect) const { CFX_FloatPoint ptLeftTop = OuterToInner(CFX_FloatPoint(rect.left, rect.top)); CFX_FloatPoint ptRightBottom = OuterToInner(CFX_FloatPoint(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! }; template <class TYPE> class CLST_ArrayTemplate : public CFX_ArrayTemplate<TYPE> { public: bool IsEmpty() { return CFX_ArrayTemplate<TYPE>::GetSize() <= 0; } TYPE GetAt(int32_t nIndex) const { if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) return CFX_ArrayTemplate<TYPE>::GetAt(nIndex); return nullptr; } void RemoveAt(int32_t nIndex) { if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) CFX_ArrayTemplate<TYPE>::RemoveAt(nIndex); } }; struct CPLST_Select_Item { CPLST_Select_Item(int32_t other_nItemIndex, int32_t other_nState) { nItemIndex = other_nItemIndex; nState = other_nState; } int32_t nItemIndex; int32_t nState; // 0:normal select -1:to deselect 1: to select }; class CPLST_Select { public: CPLST_Select(); virtual ~CPLST_Select(); public: 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); bool IsExist(int32_t nItemIndex) const; int32_t Find(int32_t nItemIndex) const; int32_t GetCount() const; int32_t GetItemIndex(int32_t nIndex) const; int32_t GetState(int32_t nIndex) const; void Done(); void DeselectAll(); private: CFX_ArrayTemplate<CPLST_Select_Item*> m_aItems; }; 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_FloatPoint& point, bool bShift, bool bCtrl); void OnMouseMove(const CFX_FloatPoint& 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_FloatPoint& 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_FloatPoint& 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(FX_FLOAT fFontSize); CFX_FloatRect GetPlateRect() const; FX_FLOAT GetFontSize() const; CFX_Edit* GetItemEdit(int32_t nIndex) const; int32_t GetCount() const; bool IsItemSelected(int32_t nIndex) const; FX_FLOAT GetFirstHeight() const; void SetMultipleSel(bool bMultiple); bool IsMultipleSel() const; bool IsValid(int32_t nItemIndex) const; int32_t FindNext(int32_t nIndex, FX_WCHAR nChar) const; int32_t GetFirstSelected() const; CFX_FloatPoint InToOut(const CFX_FloatPoint& point) const; CFX_FloatPoint OutToIn(const CFX_FloatPoint& 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(FX_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; FX_WCHAR Toupper(FX_WCHAR c) const; CPWL_List_Notify* m_pNotify; bool m_bNotifyFlag; CFX_FloatPoint 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 CLST_ArrayTemplate<CFX_ListItem*> m_aListItems; FX_FLOAT m_fFontSize; IPVT_FontMap* m_pFontMap; bool m_bMultiple; }; #endif // FPDFSDK_FXEDIT_FXET_LIST_H_