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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. 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() {}
float Height() const {
if (top > bottom)
return top - bottom;
return bottom - top;
}
};
class CFX_ListItem final {
public:
CFX_ListItem();
~CFX_ListItem();
void SetFontMap(IPVT_FontMap* pFontMap);
CFX_Edit* GetEdit() const;
void SetRect(const CFX_FloatRect& rect);
void SetSelect(bool bSelected);
void SetText(const CFX_WideString& text);
void SetFontSize(float fFontSize);
CFX_WideString GetText() const;
CFX_FloatRect 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;
CFX_FloatRect 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_
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