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// 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.
#include <map>
#include <memory>
#include <vector>
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/unowned_ptr.h"
#include "fpdfsdk/pwl/cpwl_edit_impl.h"
class IPVT_FontMap;
class CPWL_ListCtrl {
class NotifyIface {
virtual ~NotifyIface();
virtual void OnSetScrollInfoY(float fPlateMin,
float fPlateMax,
float fContentMin,
float fContentMax,
float fSmallStep,
float fBigStep) = 0;
virtual void OnSetScrollPosY(float fy) = 0;
virtual void OnInvalidateRect(const CFX_FloatRect& rect) = 0;
void SetNotify(NotifyIface* pNotify) { m_pNotify = 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);
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 { return m_nCaretIndex; }
int32_t GetSelect() const { return m_nSelItem; }
int32_t GetTopItem() const;
CFX_FloatRect GetContentRect() const;
int32_t GetItemIndex(const CFX_PointF& point) const;
void AddString(const WideString& str);
void SetTopItem(int32_t nIndex);
void Select(int32_t nItemIndex);
void Deselect(int32_t nItemIndex);
void SetCaret(int32_t nItemIndex);
void Clear();
void Cancel();
WideString GetText() const;
void SetFontMap(IPVT_FontMap* pFontMap) { m_pFontMap = pFontMap; }
void SetFontSize(float fFontSize) { m_fFontSize = fFontSize; }
CFX_FloatRect GetPlateRect() const { return m_rcPlate; }
void SetPlateRect(const CFX_FloatRect& rect);
float GetFontSize() const { return m_fFontSize; }
CPWL_EditImpl* GetItemEdit(int32_t nIndex) const;
int32_t GetCount() const;
bool IsItemSelected(int32_t nIndex) const;
float GetFirstHeight() const;
void SetMultipleSel(bool bMultiple) { m_bMultiple = bMultiple; }
bool IsMultipleSel() const { return m_bMultiple; }
int32_t FindNext(int32_t nIndex, wchar_t nChar) const;
int32_t GetFirstSelected() const;
class Item {
void SetFontMap(IPVT_FontMap* pFontMap);
CPWL_EditImpl* GetEdit() const { return m_pEdit.get(); }
void SetRect(const CFX_FloatRect& rect) { m_rcListItem = rect; }
void SetSelect(bool bSelected) { m_bSelected = bSelected; }
void SetText(const WideString& text);
void SetFontSize(float fFontSize);
WideString GetText() const;
CFX_FloatRect GetRect() const { return m_rcListItem; }
bool IsSelected() const { return m_bSelected; }
float GetItemHeight() const;
uint16_t GetFirstChar() const;
CPWL_EditImpl::Iterator* GetIterator() const;
bool m_bSelected = false;
CFX_FloatRect m_rcListItem;
std::unique_ptr<CPWL_EditImpl> const m_pEdit;
class SelectState {
enum State { DESELECTING = -1, NORMAL = 0, SELECTING = 1 };
using const_iterator = std::map<int32_t, State>::const_iterator;
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(); }
std::map<int32_t, State> m_Items;
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;
CFX_PointF InnerToOuter(const CFX_PointF& point) const;
CFX_PointF OuterToInner(const CFX_PointF& point) const;
CFX_FloatRect InnerToOuter(const CFX_FloatRect& rect) const;
CFX_FloatRect OuterToInner(const CFX_FloatRect& rect) const;
void OnVK(int32_t nItemIndex, bool bShift, bool bCtrl);
bool IsValid(int32_t nItemIndex) const;
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 WideString& str);
WideString GetItemText(int32_t nIndex) const;
void SetItemSelect(int32_t nIndex, bool bSelected);
int32_t GetLastSelected() const;
CFX_PointF GetBTPoint() const {
return CFX_PointF(m_rcPlate.left,;
CFX_FloatRect m_rcPlate;
CFX_FloatRect m_rcContent;
CFX_PointF m_ptScrollPos;
float m_fFontSize = 0.0f;
// For single:
int32_t m_nSelItem = -1;
// For multiple:
SelectState m_SelectState;
int32_t m_nFootIndex = -1;
int32_t m_nCaretIndex = -1;
bool m_bCtrlSel = false;
bool m_bMultiple = false;
bool m_bNotifyFlag = false;
UnownedPtr<NotifyIface> m_pNotify;
std::vector<std::unique_ptr<Item>> m_ListItems;
UnownedPtr<IPVT_FontMap> m_pFontMap;