// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef FPDFSDK_FXEDIT_INCLUDE_FXET_LIST_H_
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#define FPDFSDK_FXEDIT_INCLUDE_FXET_LIST_H_
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#include "core/fxcrt/include/fx_coordinates.h"
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#include "fpdfsdk/fxedit/include/fx_edit.h"
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class CFX_Edit;
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class CFX_Edit_Iterator;
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class CPWL_List_Notify;
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class CLST_Rect : public CFX_FloatRect {
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public:
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CLST_Rect() { left = top = right = bottom = 0.0f; }
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CLST_Rect(FX_FLOAT other_left,
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FX_FLOAT other_top,
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FX_FLOAT other_right,
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FX_FLOAT other_bottom) {
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left = other_left;
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top = other_top;
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right = other_right;
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bottom = other_bottom;
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}
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explicit CLST_Rect(const CFX_FloatRect& rect) {
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left = rect.left;
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top = rect.top;
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right = rect.right;
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bottom = rect.bottom;
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}
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~CLST_Rect() {}
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void Default() { left = top = right = bottom = 0.0f; }
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const CLST_Rect operator=(const CFX_FloatRect& rect) {
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left = rect.left;
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top = rect.top;
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right = rect.right;
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bottom = rect.bottom;
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return *this;
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}
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bool operator==(const CLST_Rect& rect) const {
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return FXSYS_memcmp(this, &rect, sizeof(CLST_Rect)) == 0;
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}
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bool operator!=(const CLST_Rect& rect) const { return !(*this == rect); }
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FX_FLOAT Width() const { return right - left; }
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FX_FLOAT Height() const {
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if (top > bottom)
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return top - bottom;
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return bottom - top;
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}
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CFX_FloatPoint LeftTop() const { return CFX_FloatPoint(left, top); }
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CFX_FloatPoint RightBottom() const { return CFX_FloatPoint(right, bottom); }
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const CLST_Rect operator+=(const CFX_FloatPoint& point) {
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left += point.x;
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right += point.x;
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top += point.y;
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bottom += point.y;
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return *this;
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}
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const CLST_Rect operator-=(const CFX_FloatPoint& point) {
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left -= point.x;
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right -= point.x;
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top -= point.y;
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bottom -= point.y;
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return *this;
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}
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CLST_Rect operator+(const CFX_FloatPoint& point) const {
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return CLST_Rect(left + point.x, top + point.y, right + point.x,
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bottom + point.y);
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}
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CLST_Rect operator-(const CFX_FloatPoint& point) const {
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return CLST_Rect(left - point.x, top - point.y, right - point.x,
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bottom - point.y);
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}
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};
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class CFX_ListItem final {
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public:
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CFX_ListItem();
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~CFX_ListItem();
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void SetFontMap(IPVT_FontMap* pFontMap);
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CFX_Edit* GetEdit() const;
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void SetRect(const CLST_Rect& rect);
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void SetSelect(FX_BOOL bSelected);
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void SetText(const FX_WCHAR* text);
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void SetFontSize(FX_FLOAT fFontSize);
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CFX_WideString GetText() const;
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CLST_Rect GetRect() const;
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FX_BOOL IsSelected() const;
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FX_FLOAT GetItemHeight() const;
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uint16_t GetFirstChar() const;
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private:
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CFX_Edit_Iterator* GetIterator() const;
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std::unique_ptr<CFX_Edit> m_pEdit;
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FX_BOOL m_bSelected;
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CLST_Rect m_rcListItem;
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};
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class CFX_ListContainer {
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public:
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CFX_ListContainer();
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virtual ~CFX_ListContainer();
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virtual void SetPlateRect(const CFX_FloatRect& rect);
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CFX_FloatRect GetPlateRect() const { return m_rcPlate; }
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void SetContentRect(const CLST_Rect& rect) { m_rcContent = rect; }
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CLST_Rect GetContentRect() const { return m_rcContent; }
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CFX_FloatPoint GetBTPoint() const {
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return CFX_FloatPoint(m_rcPlate.left, m_rcPlate.top);
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}
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CFX_FloatPoint GetETPoint() const {
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return CFX_FloatPoint(m_rcPlate.right, m_rcPlate.bottom);
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}
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public:
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CFX_FloatPoint InnerToOuter(const CFX_FloatPoint& point) const {
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return CFX_FloatPoint(point.x + GetBTPoint().x, GetBTPoint().y - point.y);
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}
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CFX_FloatPoint OuterToInner(const CFX_FloatPoint& point) const {
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return CFX_FloatPoint(point.x - GetBTPoint().x, GetBTPoint().y - point.y);
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}
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CFX_FloatRect InnerToOuter(const CLST_Rect& rect) const {
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CFX_FloatPoint ptLeftTop =
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InnerToOuter(CFX_FloatPoint(rect.left, rect.top));
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CFX_FloatPoint ptRightBottom =
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InnerToOuter(CFX_FloatPoint(rect.right, rect.bottom));
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return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x,
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ptLeftTop.y);
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}
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CLST_Rect OuterToInner(const CFX_FloatRect& rect) const {
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CFX_FloatPoint ptLeftTop =
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OuterToInner(CFX_FloatPoint(rect.left, rect.top));
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CFX_FloatPoint ptRightBottom =
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OuterToInner(CFX_FloatPoint(rect.right, rect.bottom));
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return CLST_Rect(ptLeftTop.x, ptLeftTop.y, ptRightBottom.x,
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ptRightBottom.y);
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}
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private:
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CFX_FloatRect m_rcPlate;
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CLST_Rect m_rcContent; // positive forever!
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};
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template <class TYPE>
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class CLST_ArrayTemplate : public CFX_ArrayTemplate<TYPE> {
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public:
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FX_BOOL IsEmpty() { return CFX_ArrayTemplate<TYPE>::GetSize() <= 0; }
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TYPE GetAt(int32_t nIndex) const {
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if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize())
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return CFX_ArrayTemplate<TYPE>::GetAt(nIndex);
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return nullptr;
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}
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void RemoveAt(int32_t nIndex) {
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if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize())
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CFX_ArrayTemplate<TYPE>::RemoveAt(nIndex);
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}
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};
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struct CPLST_Select_Item {
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CPLST_Select_Item(int32_t other_nItemIndex, int32_t other_nState) {
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nItemIndex = other_nItemIndex;
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nState = other_nState;
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}
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int32_t nItemIndex;
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int32_t nState; // 0:normal select -1:to deselect 1: to select
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};
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class CPLST_Select {
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public:
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CPLST_Select();
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virtual ~CPLST_Select();
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public:
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void Add(int32_t nItemIndex);
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void Add(int32_t nBeginIndex, int32_t nEndIndex);
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void Sub(int32_t nItemIndex);
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void Sub(int32_t nBeginIndex, int32_t nEndIndex);
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FX_BOOL IsExist(int32_t nItemIndex) const;
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int32_t Find(int32_t nItemIndex) const;
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int32_t GetCount() const;
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int32_t GetItemIndex(int32_t nIndex) const;
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int32_t GetState(int32_t nIndex) const;
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void Done();
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void DeselectAll();
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private:
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CFX_ArrayTemplate<CPLST_Select_Item*> m_aItems;
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};
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class CFX_ListCtrl : protected CFX_ListContainer {
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public:
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CFX_ListCtrl();
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~CFX_ListCtrl() override;
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// CFX_ListContainer
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void SetPlateRect(const CFX_FloatRect& rect) override;
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void SetNotify(CPWL_List_Notify* pNotify);
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void OnMouseDown(const CFX_FloatPoint& point, FX_BOOL bShift, FX_BOOL bCtrl);
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void OnMouseMove(const CFX_FloatPoint& point, FX_BOOL bShift, FX_BOOL bCtrl);
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void OnVK_UP(FX_BOOL bShift, FX_BOOL bCtrl);
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void OnVK_DOWN(FX_BOOL bShift, FX_BOOL bCtrl);
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void OnVK_LEFT(FX_BOOL bShift, FX_BOOL bCtrl);
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void OnVK_RIGHT(FX_BOOL bShift, FX_BOOL bCtrl);
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void OnVK_HOME(FX_BOOL bShift, FX_BOOL bCtrl);
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void OnVK_END(FX_BOOL bShift, FX_BOOL bCtrl);
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void OnVK(int32_t nItemIndex, FX_BOOL bShift, FX_BOOL bCtrl);
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FX_BOOL OnChar(uint16_t nChar, FX_BOOL bShift, FX_BOOL bCtrl);
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void SetScrollPos(const CFX_FloatPoint& point);
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void ScrollToListItem(int32_t nItemIndex);
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CFX_FloatRect GetItemRect(int32_t nIndex) const;
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int32_t GetCaret() const;
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int32_t GetSelect() const;
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int32_t GetTopItem() const;
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CFX_FloatRect GetContentRect() const;
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int32_t GetItemIndex(const CFX_FloatPoint& point) const;
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void AddString(const FX_WCHAR* str);
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void SetTopItem(int32_t nIndex);
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void Select(int32_t nItemIndex);
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void SetCaret(int32_t nItemIndex);
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void Empty();
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void Cancel();
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CFX_WideString GetText() const;
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void SetFontMap(IPVT_FontMap* pFontMap);
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void SetFontSize(FX_FLOAT fFontSize);
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CFX_FloatRect GetPlateRect() const;
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FX_FLOAT GetFontSize() const;
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CFX_Edit* GetItemEdit(int32_t nIndex) const;
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int32_t GetCount() const;
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FX_BOOL IsItemSelected(int32_t nIndex) const;
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FX_FLOAT GetFirstHeight() const;
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void SetMultipleSel(FX_BOOL bMultiple);
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FX_BOOL IsMultipleSel() const;
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FX_BOOL IsValid(int32_t nItemIndex) const;
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int32_t FindNext(int32_t nIndex, FX_WCHAR nChar) const;
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int32_t GetFirstSelected() const;
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CFX_FloatPoint InToOut(const CFX_FloatPoint& point) const;
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CFX_FloatPoint OutToIn(const CFX_FloatPoint& point) const;
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CFX_FloatRect InToOut(const CFX_FloatRect& rect) const;
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CFX_FloatRect OutToIn(const CFX_FloatRect& rect) const;
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private:
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void ReArrange(int32_t nItemIndex);
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CFX_FloatRect GetItemRectInternal(int32_t nIndex) const;
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CFX_FloatRect GetContentRectInternal() const;
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void SetMultipleSelect(int32_t nItemIndex, FX_BOOL bSelected);
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void SetSingleSelect(int32_t nItemIndex);
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void InvalidateItem(int32_t nItemIndex);
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void SelectItems();
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FX_BOOL IsItemVisible(int32_t nItemIndex) const;
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void SetScrollInfo();
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void SetScrollPosY(FX_FLOAT fy);
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void AddItem(const FX_WCHAR* str);
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CFX_WideString GetItemText(int32_t nIndex) const;
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void SetItemSelect(int32_t nItemIndex, FX_BOOL bSelected);
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int32_t GetLastSelected() const;
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FX_WCHAR Toupper(FX_WCHAR c) const;
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CPWL_List_Notify* m_pNotify;
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FX_BOOL m_bNotifyFlag;
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CFX_FloatPoint m_ptScrollPos;
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CPLST_Select m_aSelItems; // for multiple
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int32_t m_nSelItem; // for single
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int32_t m_nFootIndex; // for multiple
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FX_BOOL m_bCtrlSel; // for multiple
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int32_t m_nCaretIndex; // for multiple
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CLST_ArrayTemplate<CFX_ListItem*> m_aListItems;
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FX_FLOAT m_fFontSize;
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IPVT_FontMap* m_pFontMap;
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FX_BOOL m_bMultiple;
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};
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#endif // FPDFSDK_FXEDIT_INCLUDE_FXET_LIST_H_
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