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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 XFA_FWL_CORE_IFWL_EDIT_H_
#define XFA_FWL_CORE_IFWL_EDIT_H_
#include <deque>
#include <memory>
#include <vector>
#include "xfa/fde/ifde_txtedtdorecord.h"
#include "xfa/fde/ifde_txtedtengine.h"
#include "xfa/fwl/core/cfwl_event.h"
#include "xfa/fwl/core/cfwl_widget.h"
#include "xfa/fwl/core/ifwl_dataprovider.h"
#include "xfa/fwl/core/ifwl_scrollbar.h"
#include "xfa/fxgraphics/cfx_path.h"
#define FWL_STYLEEXT_EDT_ReadOnly (1L << 0)
#define FWL_STYLEEXT_EDT_MultiLine (1L << 1)
#define FWL_STYLEEXT_EDT_WantReturn (1L << 2)
#define FWL_STYLEEXT_EDT_NoHideSel (1L << 3)
#define FWL_STYLEEXT_EDT_AutoHScroll (1L << 4)
#define FWL_STYLEEXT_EDT_AutoVScroll (1L << 5)
#define FWL_STYLEEXT_EDT_NoRedoUndo (1L << 6)
#define FWL_STYLEEXT_EDT_Validate (1L << 7)
#define FWL_STYLEEXT_EDT_Password (1L << 8)
#define FWL_STYLEEXT_EDT_Number (1L << 9)
#define FWL_STYLEEXT_EDT_HSelfAdaption (1L << 10)
#define FWL_STYLEEXT_EDT_VSelfAdaption (1L << 11)
#define FWL_STYLEEXT_EDT_VerticalLayout (1L << 12)
#define FWL_STYLEEXT_EDT_VerticalChars (1L << 13)
#define FWL_STYLEEXT_EDT_ReverseLine (1L << 14)
#define FWL_STYLEEXT_EDT_ArabicShapes (1L << 15)
#define FWL_STYLEEXT_EDT_ExpandTab (1L << 16)
#define FWL_STYLEEXT_EDT_CombText (1L << 17)
#define FWL_STYLEEXT_EDT_HNear (0L << 18)
#define FWL_STYLEEXT_EDT_HCenter (1L << 18)
#define FWL_STYLEEXT_EDT_HFar (2L << 18)
#define FWL_STYLEEXT_EDT_VNear (0L << 20)
#define FWL_STYLEEXT_EDT_VCenter (1L << 20)
#define FWL_STYLEEXT_EDT_VFar (2L << 20)
#define FWL_STYLEEXT_EDT_Justified (1L << 22)
#define FWL_STYLEEXT_EDT_Distributed (2L << 22)
#define FWL_STYLEEXT_EDT_HAlignMask (3L << 18)
#define FWL_STYLEEXT_EDT_VAlignMask (3L << 20)
#define FWL_STYLEEXT_EDT_HAlignModeMask (3L << 22)
#define FWL_STYLEEXT_EDT_InnerCaret (1L << 24)
#define FWL_STYLEEXT_EDT_ShowScrollbarFocus (1L << 25)
#define FWL_STYLEEXT_EDT_OuterScrollbar (1L << 26)
#define FWL_STYLEEXT_EDT_LastLineHeight (1L << 27)
enum FWL_EDT_TEXTCHANGED {
FWL_EDT_TEXTCHANGED_Insert = 0,
FWL_EDT_TEXTCHANGED_Delete,
FWL_EDT_TEXTCHANGED_Replace,
};
FWL_EVENT_DEF(CFWL_EvtEdtTextChanged,
CFWL_EventType::TextChanged,
int32_t nChangeType;
CFX_WideString wsInsert;
CFX_WideString wsDelete;
CFX_WideString wsPrevText;)
FWL_EVENT_DEF(CFWL_EvtEdtTextFull, CFWL_EventType::TextFull)
FWL_EVENT_DEF(CFWL_EvtEdtPreSelfAdaption,
CFWL_EventType::PreSelfAdaption,
bool bHSelfAdaption;
bool bVSelfAdaption;
CFX_RectF rtAfterChange;)
FWL_EVENT_DEF(CFWL_EvtEdtValidate,
CFWL_EventType::Validate,
IFWL_Widget* pDstWidget;
CFX_WideString wsInsert;
bool bValidate;)
FWL_EVENT_DEF(CFWL_EvtEdtCheckWord,
CFWL_EventType::CheckWord,
CFX_ByteString bsWord;
bool bCheckWord;)
FWL_EVENT_DEF(CFWL_EvtEdtGetSuggestWords,
CFWL_EventType::GetSuggestedWords,
bool bSuggestWords;
CFX_ByteString bsWord;
std::vector<CFX_ByteString> bsArraySuggestWords;)
class IFDE_TxtEdtDoRecord;
class IFWL_Edit;
class CFWL_MsgActivate;
class CFWL_MsgDeactivate;
class CFWL_MsgMouse;
class CFWL_WidgetProperties;
class IFWL_Caret;
class IFWL_EditDP : public IFWL_DataProvider {};
class IFWL_Edit : public IFWL_Widget {
public:
IFWL_Edit(const IFWL_App* app,
std::unique_ptr<CFWL_WidgetProperties> properties,
IFWL_Widget* pOuter);
~IFWL_Edit() override;
// IFWL_Widget:
FWL_Type GetClassID() const override;
FWL_Error GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
FWL_Error SetWidgetRect(const CFX_RectF& rect) override;
FWL_Error Update() override;
FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
void SetStates(uint32_t dwStates, bool bSet = true) override;
FWL_Error DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = nullptr) override;
FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnProcessEvent(CFWL_Event* pEvent) override;
void OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) override;
virtual FWL_Error SetText(const CFX_WideString& wsText);
virtual int32_t GetTextLength() const;
virtual FWL_Error GetText(CFX_WideString& wsText,
int32_t nStart = 0,
int32_t nCount = -1) const;
virtual FWL_Error ClearText();
virtual int32_t GetCaretPos() const;
virtual int32_t SetCaretPos(int32_t nIndex, bool bBefore = true);
virtual FWL_Error AddSelRange(int32_t nStart, int32_t nCount = -1);
virtual int32_t CountSelRanges();
virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart);
virtual FWL_Error ClearSelections();
virtual int32_t GetLimit();
virtual FWL_Error SetLimit(int32_t nLimit);
virtual FWL_Error SetAliasChar(FX_WCHAR wAlias);
virtual FWL_Error Insert(int32_t nStart,
const FX_WCHAR* lpText,
int32_t nLen);
virtual FWL_Error DeleteSelections();
virtual FWL_Error DeleteRange(int32_t nStart, int32_t nCount = -1);
virtual FWL_Error Replace(int32_t nStart,
int32_t nLen,
const CFX_WideStringC& wsReplace);
virtual FWL_Error DoClipboard(int32_t iCmd);
virtual bool Copy(CFX_WideString& wsCopy);
virtual bool Cut(CFX_WideString& wsCut);
virtual bool Paste(const CFX_WideString& wsPaste);
virtual bool Delete();
virtual bool Redo(const IFDE_TxtEdtDoRecord* pRecord);
virtual bool Undo(const IFDE_TxtEdtDoRecord* pRecord);
virtual bool Undo();
virtual bool Redo();
virtual bool CanUndo();
virtual bool CanRedo();
virtual FWL_Error SetTabWidth(FX_FLOAT fTabWidth, bool bEquidistant);
virtual FWL_Error SetOuter(IFWL_Widget* pOuter);
virtual FWL_Error SetNumberRange(int32_t iMin, int32_t iMax);
virtual FWL_Error SetBackgroundColor(uint32_t color);
virtual FWL_Error SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize);
void On_CaretChanged(CFDE_TxtEdtEngine* pEdit,
int32_t nPage,
bool bVisible = true);
void On_TextChanged(CFDE_TxtEdtEngine* pEdit,
FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo);
void On_SelChanged(CFDE_TxtEdtEngine* pEdit);
bool On_PageLoad(CFDE_TxtEdtEngine* pEdit,
int32_t nPageIndex,
int32_t nPurpose);
bool On_PageUnload(CFDE_TxtEdtEngine* pEdit,
int32_t nPageIndex,
int32_t nPurpose);
void On_AddDoRecord(CFDE_TxtEdtEngine* pEdit, IFDE_TxtEdtDoRecord* pRecord);
bool On_Validate(CFDE_TxtEdtEngine* pEdit, CFX_WideString& wsText);
void SetScrollOffset(FX_FLOAT fScrollOffset);
bool GetSuggestWords(CFX_PointF pointf,
std::vector<CFX_ByteString>& sSuggest);
bool ReplaceSpellCheckWord(CFX_PointF pointf,
const CFX_ByteStringC& bsReplace);
protected:
friend class CFWL_TxtEdtEventSink;
void DrawTextBk(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix = nullptr);
void DrawContent(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix = nullptr);
void UpdateEditEngine();
void UpdateEditParams();
void UpdateEditLayout();
bool UpdateOffset();
bool UpdateOffset(IFWL_ScrollBar* pScrollBar, FX_FLOAT fPosChanged);
void UpdateVAlignment();
void UpdateCaret();
IFWL_ScrollBar* UpdateScroll();
void Layout();
void LayoutScrollBar();
void DeviceToEngine(CFX_PointF& pt);
void InitScrollBar(bool bVert = true);
void InitEngine();
virtual void ShowCaret(bool bVisible, CFX_RectF* pRect = nullptr);
bool ValidateNumberChar(FX_WCHAR cNum);
void InitCaret();
void ClearRecord();
bool IsShowScrollBar(bool bVert);
bool IsContentHeightOverflow();
int32_t AddDoRecord(IFDE_TxtEdtDoRecord* pRecord);
void ProcessInsertError(int32_t iError);
void DrawSpellCheck(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = nullptr);
void AddSpellCheckObj(CFX_Path& PathData,
int32_t nStart,
int32_t nCount,
FX_FLOAT fOffSetX,
FX_FLOAT fOffSetY);
int32_t GetWordAtPoint(CFX_PointF pointf, int32_t& nCount);
CFX_RectF m_rtClient;
CFX_RectF m_rtEngine;
CFX_RectF m_rtStatic;
FX_FLOAT m_fVAlignOffset;
FX_FLOAT m_fScrollOffsetX;
FX_FLOAT m_fScrollOffsetY;
std::unique_ptr<CFDE_TxtEdtEngine> m_pEdtEngine;
bool m_bLButtonDown;
int32_t m_nSelStart;
int32_t m_nLimit;
FX_FLOAT m_fSpaceAbove;
FX_FLOAT m_fSpaceBelow;
FX_FLOAT m_fFontSize;
FX_ARGB m_argbSel;
bool m_bSetRange;
int32_t m_iMin;
int32_t m_iMax;
std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar;
std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar;
std::unique_ptr<IFWL_Caret> m_pCaret;
CFX_WideString m_wsCache;
uint32_t m_backColor;
bool m_updateBackColor;
CFX_WideString m_wsFont;
std::deque<std::unique_ptr<IFDE_TxtEdtDoRecord>> m_DoRecords;
int32_t m_iCurRecord;
int32_t m_iMaxRecord;
private:
void DoActivate(CFWL_MsgActivate* pMsg);
void DoDeactivate(CFWL_MsgDeactivate* pMsg);
void DoButtonDown(CFWL_MsgMouse* pMsg);
void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
void OnLButtonDown(CFWL_MsgMouse* pMsg);
void OnLButtonUp(CFWL_MsgMouse* pMsg);
void OnButtonDblClk(CFWL_MsgMouse* pMsg);
void OnMouseMove(CFWL_MsgMouse* pMsg);
void OnKeyDown(CFWL_MsgKey* pMsg);
void OnChar(CFWL_MsgKey* pMsg);
bool OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos);
};
#endif // XFA_FWL_CORE_IFWL_EDIT_H_
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