Remove RichText support from fpdfsdk/fxedit.

This CL removes the support code for RichText from fxedit as it is currently unused.

Review-Url: https://codereview.chromium.org/2146503002

11 files changed, 20 insertions, 1293 deletions

diff --git a/core/fpdfdoc/cpdf_variabletext.cpp b/core/fpdfdoc/cpdf_variabletext.cpp
index 1ac36ade86..082af3775c 100644
--- a/core/fpdfdoc/cpdf_variabletext.cpp
+++ b/core/fpdfdoc/cpdf_variabletext.cpp
@@ -15,7 +15,6 @@
 
 namespace {
 
-const float kDefaultFontSize = 18.0f;
 const float kFontScale = 0.001f;
 const uint8_t kReturnLength = 1;
 const float kScalePercent = 0.01f;
@@ -253,7 +252,6 @@ CPDF_VariableText::CPDF_VariableText()
       m_wSubWord(0),
       m_fFontSize(0.0f),
       m_bInitial(FALSE),
-      m_bRichText(FALSE),
       m_pVTProvider(nullptr) {}
 
 CPDF_VariableText::~CPDF_VariableText() {
@@ -263,11 +261,6 @@ CPDF_VariableText::~CPDF_VariableText() {
 void CPDF_VariableText::Initialize() {
   if (!m_bInitial) {
     CPVT_SectionInfo secinfo;
-    if (m_bRichText) {
-      secinfo.pSecProps.reset(new CPVT_SecProps(0.0f, 0.0f, 0));
-      secinfo.pWordProps.reset(new CPVT_WordProps(
-          GetDefaultFontIndex(), kDefaultFontSize, 0, ScriptType::Normal, 0));
-    }
     CPVT_WordPlace place;
     place.nSecIndex = 0;
     AddSection(place, secinfo);
@@ -300,13 +293,6 @@ CPVT_WordPlace CPDF_VariableText::InsertWord(const CPVT_WordPlace& place,
 
   CPVT_WordPlace newplace = place;
   newplace.nWordIndex++;
-  if (m_bRichText) {
-    CPVT_WordProps* pNewProps =
-        pWordProps ? new CPVT_WordProps(*pWordProps) : new CPVT_WordProps();
-    pNewProps->nFontIndex =
-        GetWordFontIndex(word, charset, pWordProps->nFontIndex);
-    return AddWord(newplace, CPVT_WordInfo(word, charset, -1, pNewProps));
-  }
   int32_t nFontIndex =
       GetSubWord() > 0 ? GetDefaultFontIndex()
                        : GetWordFontIndex(word, charset, GetDefaultFontIndex());
@@ -331,12 +317,6 @@ CPVT_WordPlace CPDF_VariableText::InsertSection(
   if (CSection* pSection = m_SectionArray.GetAt(wordplace.nSecIndex)) {
     CPVT_WordPlace NewPlace(wordplace.nSecIndex + 1, 0, -1);
     CPVT_SectionInfo secinfo;
-    if (m_bRichText) {
-      if (pSecProps)
-        secinfo.pSecProps.reset(new CPVT_SecProps(*pSecProps));
-      if (pWordProps)
-        secinfo.pWordProps.reset(new CPVT_WordProps(*pWordProps));
-    }
     AddSection(NewPlace, secinfo);
     newplace = NewPlace;
     if (CSection* pNewSection = m_SectionArray.GetAt(NewPlace.nSecIndex)) {
@@ -424,12 +404,6 @@ void CPDF_VariableText::SetText(const FX_WCHAR* text,
   CFX_WideString swText = text;
   CPVT_WordPlace wp(0, 0, -1);
   CPVT_SectionInfo secinfo;
-  if (m_bRichText) {
-    if (pSecProps)
-      secinfo.pSecProps.reset(new CPVT_SecProps(*pSecProps));
-    if (pWordProps)
-      secinfo.pWordProps.reset(new CPVT_WordProps(*pWordProps));
-  }
   if (CSection* pSection = m_SectionArray.GetAt(0))
     pSection->m_SecInfo = secinfo;
 
@@ -801,17 +775,11 @@ const CFX_FloatRect& CPDF_VariableText::GetPlateRect() const {
 
 FX_FLOAT CPDF_VariableText::GetWordFontSize(const CPVT_WordInfo& WordInfo,
                                             FX_BOOL bFactFontSize) {
-  return m_bRichText && WordInfo.pWordProps
-             ? (WordInfo.pWordProps->nScriptType == ScriptType::Normal ||
-                        bFactFontSize
-                    ? WordInfo.pWordProps->fFontSize
-                    : WordInfo.pWordProps->fFontSize * VARIABLETEXT_HALF)
-             : GetFontSize();
+  return GetFontSize();
 }
 
 int32_t CPDF_VariableText::GetWordFontIndex(const CPVT_WordInfo& WordInfo) {
-  return m_bRichText && WordInfo.pWordProps ? WordInfo.pWordProps->nFontIndex
-                                            : WordInfo.nFontIndex;
+  return WordInfo.nFontIndex;
 }
 
 FX_FLOAT CPDF_VariableText::GetWordWidth(int32_t nFontIndex,
@@ -838,17 +806,11 @@ FX_FLOAT CPDF_VariableText::GetWordWidth(const CPVT_WordInfo& WordInfo) {
 }
 
 FX_FLOAT CPDF_VariableText::GetLineAscent(const CPVT_SectionInfo& SecInfo) {
-  return m_bRichText && SecInfo.pWordProps
-             ? GetFontAscent(SecInfo.pWordProps->nFontIndex,
-                             SecInfo.pWordProps->fFontSize)
-             : GetFontAscent(GetDefaultFontIndex(), GetFontSize());
+  return GetFontAscent(GetDefaultFontIndex(), GetFontSize());
 }
 
 FX_FLOAT CPDF_VariableText::GetLineDescent(const CPVT_SectionInfo& SecInfo) {
-  return m_bRichText && SecInfo.pWordProps
-             ? GetFontDescent(SecInfo.pWordProps->nFontIndex,
-                              SecInfo.pWordProps->fFontSize)
-             : GetFontDescent(GetDefaultFontIndex(), GetFontSize());
+  return GetFontDescent(GetDefaultFontIndex(), GetFontSize());
 }
 
 FX_FLOAT CPDF_VariableText::GetFontAscent(int32_t nFontIndex,
@@ -884,28 +846,23 @@ FX_FLOAT CPDF_VariableText::GetWordDescent(const CPVT_WordInfo& WordInfo,
 }
 
 FX_FLOAT CPDF_VariableText::GetLineLeading(const CPVT_SectionInfo& SecInfo) {
-  return m_bRichText && SecInfo.pSecProps ? SecInfo.pSecProps->fLineLeading
-                                          : m_fLineLeading;
+  return m_fLineLeading;
 }
 
 FX_FLOAT CPDF_VariableText::GetLineIndent(const CPVT_SectionInfo& SecInfo) {
-  return m_bRichText && SecInfo.pSecProps ? SecInfo.pSecProps->fLineIndent
-                                          : 0.0f;
+  return 0.0f;
 }
 
 int32_t CPDF_VariableText::GetAlignment(const CPVT_SectionInfo& SecInfo) {
-  return m_bRichText && SecInfo.pSecProps ? SecInfo.pSecProps->nAlignment
-                                          : m_nAlignment;
+  return m_nAlignment;
 }
 
 FX_FLOAT CPDF_VariableText::GetCharSpace(const CPVT_WordInfo& WordInfo) {
-  return m_bRichText && WordInfo.pWordProps ? WordInfo.pWordProps->fCharSpace
-                                            : m_fCharSpace;
+  return m_fCharSpace;
 }
 
 int32_t CPDF_VariableText::GetHorzScale(const CPVT_WordInfo& WordInfo) {
-  return m_bRichText && WordInfo.pWordProps ? WordInfo.pWordProps->nHorzScale
-                                            : m_nHorzScale;
+  return m_nHorzScale;
 }
 
 void CPDF_VariableText::ClearSectionRightWords(const CPVT_WordPlace& place) {
diff --git a/core/fpdfdoc/include/cpdf_variabletext.h b/core/fpdfdoc/include/cpdf_variabletext.h
index 36b2eb46a5..86a30289db 100644
--- a/core/fpdfdoc/include/cpdf_variabletext.h
+++ b/core/fpdfdoc/include/cpdf_variabletext.h
@@ -102,12 +102,10 @@ class CPDF_VariableText : private CPDF_EditContainer {
   void SetFontSize(FX_FLOAT fFontSize) { m_fFontSize = fFontSize; }
   void SetCharArray(int32_t nCharArray = 0) { m_nCharArray = nCharArray; }
   void SetAutoFontSize(FX_BOOL bAuto = TRUE) { m_bAutoFontSize = bAuto; }
-  void SetRichText(FX_BOOL bRichText) { m_bRichText = bRichText; }
   void SetLineLeading(FX_FLOAT fLineLeading) { m_fLineLeading = fLineLeading; }
   void Initialize();
 
   FX_BOOL IsValid() const { return m_bInitial; }
-  FX_BOOL IsRichText() const { return m_bRichText; }
 
   void RearrangeAll();
   void RearrangePart(const CPVT_WordRange& PlaceRange);
@@ -245,7 +243,6 @@ class CPDF_VariableText : private CPDF_EditContainer {
   uint16_t m_wSubWord;
   FX_FLOAT m_fFontSize;
   FX_BOOL m_bInitial;
-  FX_BOOL m_bRichText;
   CPDF_VariableText::Provider* m_pVTProvider;
   std::unique_ptr<CPDF_VariableText::Iterator> m_pVTIterator;
 };
diff --git a/fpdfsdk/fxedit/fxet_edit.cpp b/fpdfsdk/fxedit/fxet_edit.cpp
index 1a3289b26d..550dd1d78f 100644
--- a/fpdfsdk/fxedit/fxet_edit.cpp
+++ b/fpdfsdk/fxedit/fxet_edit.cpp
@@ -606,49 +606,6 @@ void CFXEU_Clear::Undo() {
   }
 }
 
-CFXEU_ClearRich::CFXEU_ClearRich(CFX_Edit* pEdit,
-                                 const CPVT_WordPlace& wpOldPlace,
-                                 const CPVT_WordPlace& wpNewPlace,
-                                 const CPVT_WordRange& wrSel,
-                                 uint16_t word,
-                                 int32_t charset,
-                                 const CPVT_SecProps& SecProps,
-                                 const CPVT_WordProps& WordProps)
-    : m_pEdit(pEdit),
-      m_wpOld(wpOldPlace),
-      m_wpNew(wpNewPlace),
-      m_wrSel(wrSel),
-      m_Word(word),
-      m_nCharset(charset),
-      m_SecProps(SecProps),
-      m_WordProps(WordProps) {}
-
-CFXEU_ClearRich::~CFXEU_ClearRich() {}
-
-void CFXEU_ClearRich::Redo() {
-  if (m_pEdit && IsLast()) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetSel(m_wrSel.BeginPos, m_wrSel.EndPos);
-    m_pEdit->Clear(FALSE, TRUE);
-  }
-}
-
-void CFXEU_ClearRich::Undo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wpOld);
-    if (m_wpNew.SecCmp(m_wpOld) != 0) {
-      m_pEdit->InsertReturn(&m_SecProps, &m_WordProps, FALSE, FALSE);
-    } else {
-      m_pEdit->InsertWord(m_Word, m_nCharset, &m_WordProps, FALSE, FALSE);
-    }
-
-    if (IsFirst()) {
-      m_pEdit->PaintInsertText(m_wrSel.BeginPos, m_wrSel.EndPos);
-      m_pEdit->SetSel(m_wrSel.BeginPos, m_wrSel.EndPos);
-    }
-  }
-}
 CFXEU_InsertText::CFXEU_InsertText(CFX_Edit* pEdit,
                                    const CPVT_WordPlace& wpOldPlace,
                                    const CPVT_WordPlace& wpNewPlace,
@@ -688,88 +645,6 @@ void CFXEU_InsertText::Undo() {
   }
 }
 
-CFXEU_SetSecProps::CFXEU_SetSecProps(CFX_Edit* pEdit,
-                                     const CPVT_WordPlace& place,
-                                     EDIT_PROPS_E ep,
-                                     const CPVT_SecProps& oldsecprops,
-                                     const CPVT_WordProps& oldwordprops,
-                                     const CPVT_SecProps& newsecprops,
-                                     const CPVT_WordProps& newwordprops,
-                                     const CPVT_WordRange& range)
-    : m_pEdit(pEdit),
-      m_wpPlace(place),
-      m_wrPlace(range),
-      m_eProps(ep),
-      m_OldSecProps(oldsecprops),
-      m_NewSecProps(newsecprops),
-      m_OldWordProps(oldwordprops),
-      m_NewWordProps(newwordprops) {}
-
-CFXEU_SetSecProps::~CFXEU_SetSecProps() {}
-
-void CFXEU_SetSecProps::Redo() {
-  if (m_pEdit) {
-    m_pEdit->SetSecProps(m_eProps, m_wpPlace, &m_NewSecProps, &m_NewWordProps,
-                         m_wrPlace, FALSE);
-    if (IsLast()) {
-      m_pEdit->SelectNone();
-      m_pEdit->PaintSetProps(m_eProps, m_wrPlace);
-      m_pEdit->SetSel(m_wrPlace.BeginPos, m_wrPlace.EndPos);
-    }
-  }
-}
-
-void CFXEU_SetSecProps::Undo() {
-  if (m_pEdit) {
-    m_pEdit->SetSecProps(m_eProps, m_wpPlace, &m_OldSecProps, &m_OldWordProps,
-                         m_wrPlace, FALSE);
-    if (IsFirst()) {
-      m_pEdit->SelectNone();
-      m_pEdit->PaintSetProps(m_eProps, m_wrPlace);
-      m_pEdit->SetSel(m_wrPlace.BeginPos, m_wrPlace.EndPos);
-    }
-  }
-}
-
-CFXEU_SetWordProps::CFXEU_SetWordProps(CFX_Edit* pEdit,
-                                       const CPVT_WordPlace& place,
-                                       EDIT_PROPS_E ep,
-                                       const CPVT_WordProps& oldprops,
-                                       const CPVT_WordProps& newprops,
-                                       const CPVT_WordRange& range)
-    : m_pEdit(pEdit),
-      m_wpPlace(place),
-      m_wrPlace(range),
-      m_eProps(ep),
-      m_OldWordProps(oldprops),
-      m_NewWordProps(newprops) {}
-
-CFXEU_SetWordProps::~CFXEU_SetWordProps() {}
-
-void CFXEU_SetWordProps::Redo() {
-  if (m_pEdit) {
-    m_pEdit->SetWordProps(m_eProps, m_wpPlace, &m_NewWordProps, m_wrPlace,
-                          FALSE);
-    if (IsLast()) {
-      m_pEdit->SelectNone();
-      m_pEdit->PaintSetProps(m_eProps, m_wrPlace);
-      m_pEdit->SetSel(m_wrPlace.BeginPos, m_wrPlace.EndPos);
-    }
-  }
-}
-
-void CFXEU_SetWordProps::Undo() {
-  if (m_pEdit) {
-    m_pEdit->SetWordProps(m_eProps, m_wpPlace, &m_OldWordProps, m_wrPlace,
-                          FALSE);
-    if (IsFirst()) {
-      m_pEdit->SelectNone();
-      m_pEdit->PaintSetProps(m_eProps, m_wrPlace);
-      m_pEdit->SetSel(m_wrPlace.BeginPos, m_wrPlace.EndPos);
-    }
-  }
-}
-
 CFX_Edit::CFX_Edit(CPDF_VariableText* pVT)
     : m_pVT(pVT),
       m_pNotify(nullptr),
@@ -788,7 +663,6 @@ CFX_Edit::CFX_Edit(CPDF_VariableText* pVT)
       m_bEnableRefresh(TRUE),
       m_rcOldContent(0.0f, 0.0f, 0.0f, 0.0f),
       m_bEnableUndo(TRUE),
-      m_bNotify(TRUE),
       m_bOprNotify(FALSE),
       m_pGroupUndoItem(nullptr) {
   ASSERT(pVT);
@@ -1090,481 +964,6 @@ CPVT_WordRange CFX_Edit::CombineWordRange(const CPVT_WordRange& wr1,
   return wrRet;
 }
 
-FX_BOOL CFX_Edit::IsRichText() const {
-  return m_pVT->IsRichText();
-}
-
-void CFX_Edit::SetRichText(FX_BOOL bRichText, FX_BOOL bPaint) {
-  m_pVT->SetRichText(bRichText);
-  if (bPaint)
-    Paint();
-}
-
-FX_BOOL CFX_Edit::SetRichFontIndex(int32_t nFontIndex) {
-  CPVT_WordProps WordProps;
-  WordProps.nFontIndex = nFontIndex;
-  return SetRichTextProps(EP_FONTINDEX, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichFontSize(FX_FLOAT fFontSize) {
-  CPVT_WordProps WordProps;
-  WordProps.fFontSize = fFontSize;
-  return SetRichTextProps(EP_FONTSIZE, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextColor(FX_COLORREF dwColor) {
-  CPVT_WordProps WordProps;
-  WordProps.dwWordColor = dwColor;
-  return SetRichTextProps(EP_WORDCOLOR, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextScript(CPDF_VariableText::ScriptType nScriptType) {
-  CPVT_WordProps WordProps;
-  WordProps.nScriptType = nScriptType;
-  return SetRichTextProps(EP_SCRIPTTYPE, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextBold(FX_BOOL bBold) {
-  CPVT_WordProps WordProps;
-  if (bBold)
-    WordProps.nWordStyle |= PVTWORD_STYLE_BOLD;
-  return SetRichTextProps(EP_BOLD, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextItalic(FX_BOOL bItalic) {
-  CPVT_WordProps WordProps;
-  if (bItalic)
-    WordProps.nWordStyle |= PVTWORD_STYLE_ITALIC;
-  return SetRichTextProps(EP_ITALIC, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextUnderline(FX_BOOL bUnderline) {
-  CPVT_WordProps WordProps;
-  if (bUnderline)
-    WordProps.nWordStyle |= PVTWORD_STYLE_UNDERLINE;
-  return SetRichTextProps(EP_UNDERLINE, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextCrossout(FX_BOOL bCrossout) {
-  CPVT_WordProps WordProps;
-  if (bCrossout)
-    WordProps.nWordStyle |= PVTWORD_STYLE_CROSSOUT;
-  return SetRichTextProps(EP_CROSSOUT, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextCharSpace(FX_FLOAT fCharSpace) {
-  CPVT_WordProps WordProps;
-  WordProps.fCharSpace = fCharSpace;
-  return SetRichTextProps(EP_CHARSPACE, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextHorzScale(int32_t nHorzScale) {
-  CPVT_WordProps WordProps;
-  WordProps.nHorzScale = nHorzScale;
-  return SetRichTextProps(EP_HORZSCALE, nullptr, &WordProps);
-}
-
-FX_BOOL CFX_Edit::SetRichTextLineLeading(FX_FLOAT fLineLeading) {
-  CPVT_SecProps SecProps;
-  SecProps.fLineLeading = fLineLeading;
-  return SetRichTextProps(EP_LINELEADING, &SecProps, nullptr);
-}
-
-FX_BOOL CFX_Edit::SetRichTextLineIndent(FX_FLOAT fLineIndent) {
-  CPVT_SecProps SecProps;
-  SecProps.fLineIndent = fLineIndent;
-  return SetRichTextProps(EP_LINEINDENT, &SecProps, nullptr);
-}
-
-FX_BOOL CFX_Edit::SetRichTextAlignment(int32_t nAlignment) {
-  CPVT_SecProps SecProps;
-  SecProps.nAlignment = nAlignment;
-  return SetRichTextProps(EP_ALIGNMENT, &SecProps, nullptr);
-}
-
-FX_BOOL CFX_Edit::SetRichTextProps(EDIT_PROPS_E eProps,
-                                   const CPVT_SecProps* pSecProps,
-                                   const CPVT_WordProps* pWordProps) {
-  if (!m_pVT->IsValid() || !m_pVT->IsRichText())
-    return FALSE;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  CPVT_WordRange wrTemp = m_SelState.ConvertToWordRange();
-
-  m_pVT->UpdateWordPlace(wrTemp.BeginPos);
-  m_pVT->UpdateWordPlace(wrTemp.EndPos);
-  pIterator->SetAt(wrTemp.BeginPos);
-
-  BeginGroupUndo(L"");
-  FX_BOOL bSet =
-      SetSecProps(eProps, wrTemp.BeginPos, pSecProps, pWordProps, wrTemp, TRUE);
-
-  while (pIterator->NextWord()) {
-    CPVT_WordPlace place = pIterator->GetAt();
-    if (place.WordCmp(wrTemp.EndPos) > 0)
-      break;
-    FX_BOOL bSet1 =
-        SetSecProps(eProps, place, pSecProps, pWordProps, wrTemp, TRUE);
-    FX_BOOL bSet2 = SetWordProps(eProps, place, pWordProps, wrTemp, TRUE);
-
-    if (!bSet)
-      bSet = (bSet1 || bSet2);
-  }
-
-  EndGroupUndo();
-
-  if (bSet)
-    PaintSetProps(eProps, wrTemp);
-
-  return bSet;
-}
-
-void CFX_Edit::PaintSetProps(EDIT_PROPS_E eProps, const CPVT_WordRange& wr) {
-  switch (eProps) {
-    case EP_LINELEADING:
-    case EP_LINEINDENT:
-    case EP_ALIGNMENT:
-      RearrangePart(wr);
-      ScrollToCaret();
-      Refresh(RP_ANALYSE);
-      SetCaretOrigin();
-      SetCaretInfo();
-      break;
-    case EP_WORDCOLOR:
-    case EP_UNDERLINE:
-    case EP_CROSSOUT:
-      Refresh(RP_OPTIONAL, &wr);
-      break;
-    case EP_FONTINDEX:
-    case EP_FONTSIZE:
-    case EP_SCRIPTTYPE:
-    case EP_CHARSPACE:
-    case EP_HORZSCALE:
-    case EP_BOLD:
-    case EP_ITALIC:
-      RearrangePart(wr);
-      ScrollToCaret();
-
-      CPVT_WordRange wrRefresh(m_pVT->GetSectionBeginPlace(wr.BeginPos),
-                               m_pVT->GetSectionEndPlace(wr.EndPos));
-      Refresh(RP_ANALYSE, &wrRefresh);
-
-      SetCaretOrigin();
-      SetCaretInfo();
-      break;
-  }
-}
-
-FX_BOOL CFX_Edit::SetSecProps(EDIT_PROPS_E eProps,
-                              const CPVT_WordPlace& place,
-                              const CPVT_SecProps* pSecProps,
-                              const CPVT_WordProps* pWordProps,
-                              const CPVT_WordRange& wr,
-                              FX_BOOL bAddUndo) {
-  if (!m_pVT->IsValid() || !m_pVT->IsRichText())
-    return FALSE;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  FX_BOOL bSet = FALSE;
-  CPVT_Section secinfo;
-  CPVT_Section OldSecinfo;
-
-  CPVT_WordPlace oldplace = pIterator->GetAt();
-
-  if (eProps == EP_LINELEADING || eProps == EP_LINEINDENT ||
-      eProps == EP_ALIGNMENT) {
-    if (pSecProps) {
-      pIterator->SetAt(place);
-      if (pIterator->GetSection(secinfo)) {
-        if (bAddUndo)
-          OldSecinfo = secinfo;
-
-        switch (eProps) {
-          case EP_LINELEADING:
-            if (!FX_EDIT_IsFloatEqual(secinfo.SecProps.fLineLeading,
-                                      pSecProps->fLineLeading)) {
-              secinfo.SecProps.fLineLeading = pSecProps->fLineLeading;
-              bSet = TRUE;
-            }
-            break;
-          case EP_LINEINDENT:
-            if (!FX_EDIT_IsFloatEqual(secinfo.SecProps.fLineIndent,
-                                      pSecProps->fLineIndent)) {
-              secinfo.SecProps.fLineIndent = pSecProps->fLineIndent;
-              bSet = TRUE;
-            }
-            break;
-          case EP_ALIGNMENT:
-            if (secinfo.SecProps.nAlignment != pSecProps->nAlignment) {
-              secinfo.SecProps.nAlignment = pSecProps->nAlignment;
-              bSet = TRUE;
-            }
-            break;
-          default:
-            break;
-        }
-      }
-    }
-  } else {
-    if (pWordProps && place == m_pVT->GetSectionBeginPlace(place)) {
-      pIterator->SetAt(place);
-      if (pIterator->GetSection(secinfo)) {
-        if (bAddUndo)
-          OldSecinfo = secinfo;
-
-        switch (eProps) {
-          case EP_FONTINDEX:
-            if (secinfo.WordProps.nFontIndex != pWordProps->nFontIndex) {
-              secinfo.WordProps.nFontIndex = pWordProps->nFontIndex;
-              bSet = TRUE;
-            }
-            break;
-          case EP_FONTSIZE:
-            if (!FX_EDIT_IsFloatEqual(secinfo.WordProps.fFontSize,
-                                      pWordProps->fFontSize)) {
-              secinfo.WordProps.fFontSize = pWordProps->fFontSize;
-              bSet = TRUE;
-            }
-            break;
-          case EP_WORDCOLOR:
-            if (secinfo.WordProps.dwWordColor != pWordProps->dwWordColor) {
-              secinfo.WordProps.dwWordColor = pWordProps->dwWordColor;
-              bSet = TRUE;
-            }
-            break;
-          case EP_SCRIPTTYPE:
-            if (secinfo.WordProps.nScriptType != pWordProps->nScriptType) {
-              secinfo.WordProps.nScriptType = pWordProps->nScriptType;
-              bSet = TRUE;
-            }
-            break;
-          case EP_CHARSPACE:
-            if (!FX_EDIT_IsFloatEqual(secinfo.WordProps.fCharSpace,
-                                      pWordProps->fCharSpace)) {
-              secinfo.WordProps.fCharSpace = pWordProps->fCharSpace;
-              bSet = TRUE;
-            }
-            break;
-          case EP_HORZSCALE:
-            if (secinfo.WordProps.nHorzScale != pWordProps->nHorzScale) {
-              secinfo.WordProps.nHorzScale = pWordProps->nHorzScale;
-              bSet = TRUE;
-            }
-            break;
-          case EP_UNDERLINE:
-            if (pWordProps->nWordStyle & PVTWORD_STYLE_UNDERLINE) {
-              if ((secinfo.WordProps.nWordStyle & PVTWORD_STYLE_UNDERLINE) ==
-                  0) {
-                secinfo.WordProps.nWordStyle |= PVTWORD_STYLE_UNDERLINE;
-                bSet = TRUE;
-              }
-            } else {
-              if ((secinfo.WordProps.nWordStyle & PVTWORD_STYLE_UNDERLINE) !=
-                  0) {
-                secinfo.WordProps.nWordStyle &= ~PVTWORD_STYLE_UNDERLINE;
-                bSet = TRUE;
-              }
-            }
-            break;
-          case EP_CROSSOUT:
-            if (pWordProps->nWordStyle & PVTWORD_STYLE_CROSSOUT) {
-              if ((secinfo.WordProps.nWordStyle & PVTWORD_STYLE_CROSSOUT) ==
-                  0) {
-                secinfo.WordProps.nWordStyle |= PVTWORD_STYLE_CROSSOUT;
-                bSet = TRUE;
-              }
-            } else {
-              if ((secinfo.WordProps.nWordStyle & PVTWORD_STYLE_CROSSOUT) !=
-                  0) {
-                secinfo.WordProps.nWordStyle &= ~PVTWORD_STYLE_CROSSOUT;
-                bSet = TRUE;
-              }
-            }
-            break;
-          case EP_BOLD:
-            if (pWordProps->nWordStyle & PVTWORD_STYLE_BOLD) {
-              if ((secinfo.WordProps.nWordStyle & PVTWORD_STYLE_BOLD) == 0) {
-                secinfo.WordProps.nWordStyle |= PVTWORD_STYLE_BOLD;
-                bSet = TRUE;
-              }
-            } else {
-              if ((secinfo.WordProps.nWordStyle & PVTWORD_STYLE_BOLD) != 0) {
-                secinfo.WordProps.nWordStyle &= ~PVTWORD_STYLE_BOLD;
-                bSet = TRUE;
-              }
-            }
-            break;
-          case EP_ITALIC:
-            if (pWordProps->nWordStyle & PVTWORD_STYLE_ITALIC) {
-              if ((secinfo.WordProps.nWordStyle & PVTWORD_STYLE_ITALIC) == 0) {
-                secinfo.WordProps.nWordStyle |= PVTWORD_STYLE_ITALIC;
-                bSet = TRUE;
-              }
-            } else {
-              if ((secinfo.WordProps.nWordStyle & PVTWORD_STYLE_ITALIC) != 0) {
-                secinfo.WordProps.nWordStyle &= ~PVTWORD_STYLE_ITALIC;
-                bSet = TRUE;
-              }
-            }
-            break;
-          default:
-            break;
-        }
-      }
-    }
-  }
-
-  if (bSet) {
-    pIterator->SetSection(secinfo);
-
-    if (bAddUndo && m_bEnableUndo) {
-      AddEditUndoItem(new CFXEU_SetSecProps(
-          this, place, eProps, OldSecinfo.SecProps, OldSecinfo.WordProps,
-          secinfo.SecProps, secinfo.WordProps, wr));
-    }
-  }
-
-  pIterator->SetAt(oldplace);
-
-  return bSet;
-}
-
-FX_BOOL CFX_Edit::SetWordProps(EDIT_PROPS_E eProps,
-                               const CPVT_WordPlace& place,
-                               const CPVT_WordProps* pWordProps,
-                               const CPVT_WordRange& wr,
-                               FX_BOOL bAddUndo) {
-  if (!m_pVT->IsValid() || !m_pVT->IsRichText())
-    return FALSE;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  FX_BOOL bSet = FALSE;
-  CPVT_Word wordinfo;
-  CPVT_Word OldWordinfo;
-
-  CPVT_WordPlace oldplace = pIterator->GetAt();
-
-  if (pWordProps) {
-    pIterator->SetAt(place);
-    if (pIterator->GetWord(wordinfo)) {
-      if (bAddUndo)
-        OldWordinfo = wordinfo;
-
-      switch (eProps) {
-        case EP_FONTINDEX:
-          if (wordinfo.WordProps.nFontIndex != pWordProps->nFontIndex) {
-            if (IPVT_FontMap* pFontMap = GetFontMap()) {
-              wordinfo.WordProps.nFontIndex = pFontMap->GetWordFontIndex(
-                  wordinfo.Word, wordinfo.nCharset, pWordProps->nFontIndex);
-            }
-            bSet = TRUE;
-          }
-          break;
-        case EP_FONTSIZE:
-          if (!FX_EDIT_IsFloatEqual(wordinfo.WordProps.fFontSize,
-                                    pWordProps->fFontSize)) {
-            wordinfo.WordProps.fFontSize = pWordProps->fFontSize;
-            bSet = TRUE;
-          }
-          break;
-        case EP_WORDCOLOR:
-          if (wordinfo.WordProps.dwWordColor != pWordProps->dwWordColor) {
-            wordinfo.WordProps.dwWordColor = pWordProps->dwWordColor;
-            bSet = TRUE;
-          }
-          break;
-        case EP_SCRIPTTYPE:
-          if (wordinfo.WordProps.nScriptType != pWordProps->nScriptType) {
-            wordinfo.WordProps.nScriptType = pWordProps->nScriptType;
-            bSet = TRUE;
-          }
-          break;
-        case EP_CHARSPACE:
-          if (!FX_EDIT_IsFloatEqual(wordinfo.WordProps.fCharSpace,
-                                    pWordProps->fCharSpace)) {
-            wordinfo.WordProps.fCharSpace = pWordProps->fCharSpace;
-            bSet = TRUE;
-          }
-          break;
-        case EP_HORZSCALE:
-          if (wordinfo.WordProps.nHorzScale != pWordProps->nHorzScale) {
-            wordinfo.WordProps.nHorzScale = pWordProps->nHorzScale;
-            bSet = TRUE;
-          }
-          break;
-        case EP_UNDERLINE:
-          if (pWordProps->nWordStyle & PVTWORD_STYLE_UNDERLINE) {
-            if ((wordinfo.WordProps.nWordStyle & PVTWORD_STYLE_UNDERLINE) ==
-                0) {
-              wordinfo.WordProps.nWordStyle |= PVTWORD_STYLE_UNDERLINE;
-              bSet = TRUE;
-            }
-          } else {
-            if ((wordinfo.WordProps.nWordStyle & PVTWORD_STYLE_UNDERLINE) !=
-                0) {
-              wordinfo.WordProps.nWordStyle &= ~PVTWORD_STYLE_UNDERLINE;
-              bSet = TRUE;
-            }
-          }
-          break;
-        case EP_CROSSOUT:
-          if (pWordProps->nWordStyle & PVTWORD_STYLE_CROSSOUT) {
-            if ((wordinfo.WordProps.nWordStyle & PVTWORD_STYLE_CROSSOUT) == 0) {
-              wordinfo.WordProps.nWordStyle |= PVTWORD_STYLE_CROSSOUT;
-              bSet = TRUE;
-            }
-          } else {
-            if ((wordinfo.WordProps.nWordStyle & PVTWORD_STYLE_CROSSOUT) != 0) {
-              wordinfo.WordProps.nWordStyle &= ~PVTWORD_STYLE_CROSSOUT;
-              bSet = TRUE;
-            }
-          }
-          break;
-        case EP_BOLD:
-          if (pWordProps->nWordStyle & PVTWORD_STYLE_BOLD) {
-            if ((wordinfo.WordProps.nWordStyle & PVTWORD_STYLE_BOLD) == 0) {
-              wordinfo.WordProps.nWordStyle |= PVTWORD_STYLE_BOLD;
-              bSet = TRUE;
-            }
-          } else {
-            if ((wordinfo.WordProps.nWordStyle & PVTWORD_STYLE_BOLD) != 0) {
-              wordinfo.WordProps.nWordStyle &= ~PVTWORD_STYLE_BOLD;
-              bSet = TRUE;
-            }
-          }
-          break;
-        case EP_ITALIC:
-          if (pWordProps->nWordStyle & PVTWORD_STYLE_ITALIC) {
-            if ((wordinfo.WordProps.nWordStyle & PVTWORD_STYLE_ITALIC) == 0) {
-              wordinfo.WordProps.nWordStyle |= PVTWORD_STYLE_ITALIC;
-              bSet = TRUE;
-            }
-          } else {
-            if ((wordinfo.WordProps.nWordStyle & PVTWORD_STYLE_ITALIC) != 0) {
-              wordinfo.WordProps.nWordStyle &= ~PVTWORD_STYLE_ITALIC;
-              bSet = TRUE;
-            }
-          }
-          break;
-        default:
-          break;
-      }
-    }
-  }
-
-  if (bSet) {
-    pIterator->SetWord(wordinfo);
-
-    if (bAddUndo && m_bEnableUndo) {
-      AddEditUndoItem(new CFXEU_SetWordProps(
-          this, place, eProps, OldWordinfo.WordProps, wordinfo.WordProps, wr));
-    }
-  }
-
-  pIterator->SetAt(oldplace);
-  return bSet;
-}
-
 void CFX_Edit::SetText(const FX_WCHAR* text,
                        int32_t charset,
                        const CPVT_SecProps* pSecProps,
@@ -1694,7 +1093,7 @@ void CFX_Edit::RearrangePart(const CPVT_WordRange& range) {
 }
 
 void CFX_Edit::SetContentChanged() {
-  if (m_bNotify && m_pNotify) {
+  if (m_pNotify) {
     CFX_FloatRect rcContent = m_pVT->GetContentRect();
     if (rcContent.Width() != m_rcOldContent.Width() ||
         rcContent.Height() != m_rcOldContent.Height()) {
@@ -1797,7 +1196,7 @@ CFX_FloatRect CFX_Edit::EditToVT(const CFX_FloatRect& rect) const {
 }
 
 void CFX_Edit::SetScrollInfo() {
-  if (m_bNotify && m_pNotify) {
+  if (m_pNotify) {
     CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
     CFX_FloatRect rcContent = m_pVT->GetContentRect();
 
@@ -1824,7 +1223,7 @@ void CFX_Edit::SetScrollPosX(FX_FLOAT fx) {
       m_ptScrollPos.x = fx;
       Refresh(RP_NOANALYSE);
 
-      if (m_bNotify && m_pNotify) {
+      if (m_pNotify) {
         if (!m_bNotifyFlag) {
           m_bNotifyFlag = TRUE;
           m_pNotify->IOnSetScrollPosX(fx);
@@ -1844,7 +1243,7 @@ void CFX_Edit::SetScrollPosY(FX_FLOAT fy) {
       m_ptScrollPos.y = fy;
       Refresh(RP_NOANALYSE);
 
-      if (m_bNotify && m_pNotify) {
+      if (m_pNotify) {
         if (!m_bNotifyFlag) {
           m_bNotifyFlag = TRUE;
           m_pNotify->IOnSetScrollPosY(fy);
@@ -1959,7 +1358,7 @@ void CFX_Edit::Refresh(REFRESH_PLAN_E ePlan,
     m_Refresh.NoAnalyse();
     m_ptRefreshScrollPos = m_ptScrollPos;
 
-    if (m_bNotify && m_pNotify) {
+    if (m_pNotify) {
       if (!m_bNotifyFlag) {
         m_bNotifyFlag = TRUE;
         if (const CFX_Edit_RectArray* pRects = m_Refresh.GetRefreshRects()) {
@@ -2073,7 +1472,7 @@ void CFX_Edit::RefreshWordRange(const CPVT_WordRange& wr) {
                            wordinfo.ptWord.x + wordinfo.fWidth,
                            lineinfo.ptLine.y + lineinfo.fLineAscent);
 
-      if (m_bNotify && m_pNotify) {
+      if (m_pNotify) {
         if (!m_bNotifyFlag) {
           m_bNotifyFlag = TRUE;
           CFX_FloatRect rcRefresh = VTToEdit(rcWord);
@@ -2087,7 +1486,7 @@ void CFX_Edit::RefreshWordRange(const CPVT_WordRange& wr) {
                            lineinfo.ptLine.x + lineinfo.fLineWidth,
                            lineinfo.ptLine.y + lineinfo.fLineAscent);
 
-      if (m_bNotify && m_pNotify) {
+      if (m_pNotify) {
         if (!m_bNotifyFlag) {
           m_bNotifyFlag = TRUE;
           CFX_FloatRect rcRefresh = VTToEdit(rcLine);
@@ -2107,7 +1506,7 @@ void CFX_Edit::SetCaret(const CPVT_WordPlace& place) {
 }
 
 void CFX_Edit::SetCaretInfo() {
-  if (m_bNotify && m_pNotify) {
+  if (m_pNotify) {
     if (!m_bNotifyFlag) {
       CFX_FloatPoint ptHead(0.0f, 0.0f), ptFoot(0.0f, 0.0f);
 
@@ -2133,38 +1532,6 @@ void CFX_Edit::SetCaretInfo() {
       m_bNotifyFlag = FALSE;
     }
   }
-
-  SetCaretChange();
-}
-
-void CFX_Edit::SetCaretChange() {
-  if (m_wpCaret == m_wpOldCaret)
-    return;
-
-  if (!m_bNotify || !m_pVT->IsRichText() || !m_pNotify)
-    return;
-
-  CPVT_SecProps SecProps;
-  CPVT_WordProps WordProps;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  pIterator->SetAt(m_wpCaret);
-  CPVT_Word word;
-  CPVT_Section section;
-
-  if (pIterator->GetSection(section)) {
-    SecProps = section.SecProps;
-    WordProps = section.WordProps;
-  }
-
-  if (pIterator->GetWord(word))
-    WordProps = word.WordProps;
-
-  if (!m_bNotifyFlag) {
-    m_bNotifyFlag = TRUE;
-    m_pNotify->IOnCaretChange(SecProps, WordProps);
-    m_bNotifyFlag = FALSE;
-  }
 }
 
 void CFX_Edit::SetCaret(int32_t nPos) {
@@ -2662,44 +2029,8 @@ FX_BOOL CFX_Edit::Clear(FX_BOOL bAddUndo, FX_BOOL bPaint) {
 
   CPVT_WordRange range = m_SelState.ConvertToWordRange();
 
-  if (bAddUndo && m_bEnableUndo) {
-    if (m_pVT->IsRichText()) {
-      BeginGroupUndo(L"");
-
-      CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-      pIterator->SetAt(range.EndPos);
-
-      CPVT_Word wordinfo;
-      CPVT_Section secinfo;
-      do {
-        CPVT_WordPlace place = pIterator->GetAt();
-        if (place.WordCmp(range.BeginPos) <= 0)
-          break;
-
-        CPVT_WordPlace oldplace = m_pVT->GetPrevWordPlace(place);
-
-        if (oldplace.SecCmp(place) != 0) {
-          if (pIterator->GetSection(secinfo)) {
-            AddEditUndoItem(new CFXEU_ClearRich(
-                this, oldplace, place, range, wordinfo.Word, wordinfo.nCharset,
-                secinfo.SecProps, secinfo.WordProps));
-          }
-        } else {
-          if (pIterator->GetWord(wordinfo)) {
-            oldplace = m_pVT->AdjustLineHeader(oldplace, TRUE);
-            place = m_pVT->AdjustLineHeader(place, TRUE);
-
-            AddEditUndoItem(new CFXEU_ClearRich(
-                this, oldplace, place, range, wordinfo.Word, wordinfo.nCharset,
-                secinfo.SecProps, wordinfo.WordProps));
-          }
-        }
-      } while (pIterator->PrevWord());
-      EndGroupUndo();
-    } else {
-      AddEditUndoItem(new CFXEU_Clear(this, range, GetSelText()));
-    }
-  }
+  if (bAddUndo && m_bEnableUndo)
+    AddEditUndoItem(new CFXEU_Clear(this, range, GetSelText()));
 
   SelectNone();
   SetCaret(m_pVT->DeleteWords(range));
@@ -2898,10 +2229,6 @@ void CFX_Edit::EnableUndo(FX_BOOL bUndo) {
   m_bEnableUndo = bUndo;
 }
 
-void CFX_Edit::EnableNotify(FX_BOOL bNotify) {
-  m_bNotify = bNotify;
-}
-
 void CFX_Edit::EnableOprNotify(FX_BOOL bNotify) {
   m_bOprNotify = bNotify;
 }
diff --git a/fpdfsdk/fxedit/fxet_pageobjs.cpp b/fpdfsdk/fxedit/fxet_pageobjs.cpp
index 29ad135bca..98ec6f5318 100644
--- a/fpdfsdk/fxedit/fxet_pageobjs.cpp
+++ b/fpdfsdk/fxedit/fxet_pageobjs.cpp
@@ -19,20 +19,6 @@
 
 namespace {
 
-CFX_FloatRect GetUnderLineRect(const CPVT_Word& word) {
-  return CFX_FloatRect(word.ptWord.x, word.ptWord.y + word.fDescent * 0.5f,
-                       word.ptWord.x + word.fWidth,
-                       word.ptWord.y + word.fDescent * 0.25f);
-}
-
-CFX_FloatRect GetCrossoutRect(const CPVT_Word& word) {
-  return CFX_FloatRect(word.ptWord.x,
-                       word.ptWord.y + (word.fAscent + word.fDescent) * 0.5f +
-                           word.fDescent * 0.25f,
-                       word.ptWord.x + word.fWidth,
-                       word.ptWord.y + (word.fAscent + word.fDescent) * 0.5f);
-}
-
 void DrawTextString(CFX_RenderDevice* pDevice,
                     const CFX_FloatPoint& pt,
                     CPDF_Font* pFont,
@@ -94,25 +80,6 @@ void DrawTextString(CFX_RenderDevice* pDevice,
   }
 }
 
-void AddRectToPageObjects(CPDF_PageObjectHolder* pObjectHolder,
-                          FX_COLORREF crFill,
-                          const CFX_FloatRect& rcFill) {
-  std::unique_ptr<CPDF_PathObject> pPathObj(new CPDF_PathObject);
-  CFX_PathData* pPathData = pPathObj->m_Path.GetModify();
-  pPathData->AppendRect(rcFill.left, rcFill.bottom, rcFill.right, rcFill.top);
-
-  FX_FLOAT rgb[3];
-  rgb[0] = FXARGB_R(crFill) / 255.0f;
-  rgb[1] = FXARGB_G(crFill) / 255.0f;
-  rgb[2] = FXARGB_B(crFill) / 255.0f;
-  pPathObj->m_ColorState.SetFillColor(
-      CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3);
-
-  pPathObj->m_FillType = FXFILL_ALTERNATE;
-  pPathObj->m_bStroke = FALSE;
-  pObjectHolder->GetPageObjectList()->push_back(std::move(pPathObj));
-}
-
 CPDF_TextObject* AddTextObjToPageObjects(CPDF_PageObjectHolder* pObjectHolder,
                                          FX_COLORREF crText,
                                          CPDF_Font* pFont,
@@ -152,53 +119,6 @@ CPDF_TextObject* AddTextObjToPageObjects(CPDF_PageObjectHolder* pObjectHolder,
 
 }  // namespace
 
-void IFX_Edit::DrawUnderline(CFX_RenderDevice* pDevice,
-                             CFX_Matrix* pUser2Device,
-                             IFX_Edit* pEdit,
-                             FX_COLORREF color,
-                             const CFX_FloatRect& rcClip,
-                             const CFX_FloatPoint& ptOffset,
-                             const CPVT_WordRange* pRange) {
-  pDevice->SaveState();
-
-  if (!rcClip.IsEmpty()) {
-    CFX_FloatRect rcTemp = rcClip;
-    pUser2Device->TransformRect(rcTemp);
-    pDevice->SetClip_Rect(rcTemp.ToFxRect());
-  }
-
-  IFX_Edit_Iterator* pIterator = pEdit->GetIterator();
-  if (pEdit->GetFontMap()) {
-    if (pRange)
-      pIterator->SetAt(pRange->BeginPos);
-    else
-      pIterator->SetAt(0);
-
-    while (pIterator->NextWord()) {
-      CPVT_WordPlace place = pIterator->GetAt();
-      if (pRange && place.WordCmp(pRange->EndPos) > 0)
-        break;
-
-      CPVT_Word word;
-      if (pIterator->GetWord(word)) {
-        CFX_PathData pathUnderline;
-        CFX_FloatRect rcUnderline = GetUnderLineRect(word);
-        rcUnderline.left += ptOffset.x;
-        rcUnderline.right += ptOffset.x;
-        rcUnderline.top += ptOffset.y;
-        rcUnderline.bottom += ptOffset.y;
-        pathUnderline.AppendRect(rcUnderline.left, rcUnderline.bottom,
-                                 rcUnderline.right, rcUnderline.top);
-
-        pDevice->DrawPath(&pathUnderline, pUser2Device, nullptr, color, 0,
-                          FXFILL_WINDING);
-      }
-    }
-  }
-
-  pDevice->RestoreState(false);
-}
-
 void IFX_Edit::DrawEdit(CFX_RenderDevice* pDevice,
                         CFX_Matrix* pUser2Device,
                         IFX_Edit* pEdit,
@@ -323,131 +243,6 @@ void IFX_Edit::DrawEdit(CFX_RenderDevice* pDevice,
   pDevice->RestoreState(false);
 }
 
-void IFX_Edit::DrawRichEdit(CFX_RenderDevice* pDevice,
-                            CFX_Matrix* pUser2Device,
-                            IFX_Edit* pEdit,
-                            const CFX_FloatRect& rcClip,
-                            const CFX_FloatPoint& ptOffset,
-                            const CPVT_WordRange* pRange) {
-  CPVT_WordRange wrSelect = pEdit->GetSelectWordRange();
-
-  FX_COLORREF crCurText = ArgbEncode(255, 0, 0, 0);
-  FX_COLORREF crOld = crCurText;
-  FX_BOOL bSelect = FALSE;
-  const FX_COLORREF crWhite = ArgbEncode(255, 255, 255, 255);
-  const FX_COLORREF crSelBK = ArgbEncode(255, 0, 51, 113);
-
-  CFX_ByteTextBuf sTextBuf;
-  CPVT_WordProps wp;
-  CFX_FloatPoint ptBT(0.0f, 0.0f);
-
-  pDevice->SaveState();
-
-  if (!rcClip.IsEmpty()) {
-    CFX_FloatRect rcTemp = rcClip;
-    pUser2Device->TransformRect(rcTemp);
-    pDevice->SetClip_Rect(rcTemp.ToFxRect());
-  }
-
-  IFX_Edit_Iterator* pIterator = pEdit->GetIterator();
-  if (IPVT_FontMap* pFontMap = pEdit->GetFontMap()) {
-    if (pRange)
-      pIterator->SetAt(pRange->BeginPos);
-    else
-      pIterator->SetAt(0);
-
-    CPVT_WordPlace oldplace;
-
-    while (pIterator->NextWord()) {
-      CPVT_WordPlace place = pIterator->GetAt();
-      if (pRange && place.WordCmp(pRange->EndPos) > 0)
-        break;
-
-      CPVT_Word word;
-      if (pIterator->GetWord(word)) {
-        word.WordProps.fFontSize = word.fFontSize;
-
-        crCurText = ArgbEncode(255, word.WordProps.dwWordColor);
-
-        if (wrSelect.IsExist()) {
-          bSelect = place.WordCmp(wrSelect.BeginPos) > 0 &&
-                    place.WordCmp(wrSelect.EndPos) <= 0;
-          if (bSelect) {
-            crCurText = crWhite;
-          }
-        }
-
-        if (bSelect) {
-          CPVT_Line line;
-          pIterator->GetLine(line);
-
-          CFX_PathData pathSelBK;
-          pathSelBK.AppendRect(word.ptWord.x + ptOffset.x,
-                               line.ptLine.y + line.fLineDescent + ptOffset.y,
-                               word.ptWord.x + word.fWidth + ptOffset.x,
-                               line.ptLine.y + line.fLineAscent + ptOffset.y);
-
-          pDevice->DrawPath(&pathSelBK, pUser2Device, nullptr, crSelBK, 0,
-                            FXFILL_WINDING);
-        }
-
-        if (place.LineCmp(oldplace) != 0 || word.WordProps.fCharSpace > 0.0f ||
-            word.WordProps.nHorzScale != 100 ||
-            FXSYS_memcmp(&word.WordProps, &wp, sizeof(CPVT_WordProps)) != 0 ||
-            crOld != crCurText) {
-          if (sTextBuf.GetLength() > 0) {
-            DrawTextString(
-                pDevice,
-                CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
-                pFontMap->GetPDFFont(wp.nFontIndex), wp.fFontSize, pUser2Device,
-                sTextBuf.MakeString(), crOld, 0, wp.nHorzScale);
-
-            sTextBuf.Clear();
-          }
-          wp = word.WordProps;
-          ptBT = word.ptWord;
-          crOld = crCurText;
-        }
-
-        sTextBuf << GetPDFWordString(pFontMap, word.WordProps.nFontIndex,
-                                     word.Word, 0)
-                        .AsStringC();
-
-        if (word.WordProps.nWordStyle & PVTWORD_STYLE_UNDERLINE) {
-          CFX_PathData pathUnderline;
-          CFX_FloatRect rcUnderline = GetUnderLineRect(word);
-          pathUnderline.AppendRect(rcUnderline.left, rcUnderline.bottom,
-                                   rcUnderline.right, rcUnderline.top);
-
-          pDevice->DrawPath(&pathUnderline, pUser2Device, nullptr, crCurText, 0,
-                            FXFILL_WINDING);
-        }
-
-        if (word.WordProps.nWordStyle & PVTWORD_STYLE_CROSSOUT) {
-          CFX_PathData pathCrossout;
-          CFX_FloatRect rcCrossout = GetCrossoutRect(word);
-          pathCrossout.AppendRect(rcCrossout.left, rcCrossout.bottom,
-                                  rcCrossout.right, rcCrossout.top);
-
-          pDevice->DrawPath(&pathCrossout, pUser2Device, nullptr, crCurText, 0,
-                            FXFILL_WINDING);
-        }
-
-        oldplace = place;
-      }
-    }
-
-    if (sTextBuf.GetLength() > 0) {
-      DrawTextString(
-          pDevice, CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
-          pFontMap->GetPDFFont(wp.nFontIndex), wp.fFontSize, pUser2Device,
-          sTextBuf.MakeString(), crOld, 0, wp.nHorzScale);
-    }
-  }
-
-  pDevice->RestoreState(false);
-}
-
 void IFX_Edit::GeneratePageObjects(
     CPDF_PageObjectHolder* pObjectHolder,
     IFX_Edit* pEdit,
@@ -509,127 +304,3 @@ void IFX_Edit::GeneratePageObjects(
     }
   }
 }
-
-void IFX_Edit::GenerateRichPageObjects(
-    CPDF_PageObjectHolder* pObjectHolder,
-    IFX_Edit* pEdit,
-    const CFX_FloatPoint& ptOffset,
-    const CPVT_WordRange* pRange,
-    CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray) {
-  FX_COLORREF crCurText = ArgbEncode(255, 0, 0, 0);
-  FX_COLORREF crOld = crCurText;
-
-  CFX_ByteTextBuf sTextBuf;
-  CPVT_WordProps wp;
-  CFX_FloatPoint ptBT(0.0f, 0.0f);
-
-  ObjArray.RemoveAll();
-
-  IFX_Edit_Iterator* pIterator = pEdit->GetIterator();
-  if (IPVT_FontMap* pFontMap = pEdit->GetFontMap()) {
-    if (pRange)
-      pIterator->SetAt(pRange->BeginPos);
-    else
-      pIterator->SetAt(0);
-
-    CPVT_WordPlace oldplace;
-
-    while (pIterator->NextWord()) {
-      CPVT_WordPlace place = pIterator->GetAt();
-      if (pRange && place.WordCmp(pRange->EndPos) > 0)
-        break;
-
-      CPVT_Word word;
-      if (pIterator->GetWord(word)) {
-        word.WordProps.fFontSize = word.fFontSize;
-
-        crCurText = ArgbEncode(255, word.WordProps.dwWordColor);
-
-        if (place.LineCmp(oldplace) != 0 || word.WordProps.fCharSpace > 0.0f ||
-            word.WordProps.nHorzScale != 100 ||
-            FXSYS_memcmp(&word.WordProps, &wp, sizeof(CPVT_WordProps)) != 0 ||
-            crOld != crCurText) {
-          if (sTextBuf.GetLength() > 0) {
-            ObjArray.Add(AddTextObjToPageObjects(
-                pObjectHolder, crOld, pFontMap->GetPDFFont(wp.nFontIndex),
-                wp.fFontSize, wp.fCharSpace, wp.nHorzScale,
-                CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
-                sTextBuf.MakeString()));
-
-            sTextBuf.Clear();
-          }
-
-          wp = word.WordProps;
-          ptBT = word.ptWord;
-          crOld = crCurText;
-        }
-
-        sTextBuf << GetPDFWordString(pFontMap, word.WordProps.nFontIndex,
-                                     word.Word, 0)
-                        .AsStringC();
-
-        if (word.WordProps.nWordStyle & PVTWORD_STYLE_UNDERLINE) {
-          CFX_FloatRect rcUnderline = GetUnderLineRect(word);
-          rcUnderline.left += ptOffset.x;
-          rcUnderline.right += ptOffset.x;
-          rcUnderline.top += ptOffset.y;
-          rcUnderline.bottom += ptOffset.y;
-
-          AddRectToPageObjects(pObjectHolder, crCurText, rcUnderline);
-        }
-
-        if (word.WordProps.nWordStyle & PVTWORD_STYLE_CROSSOUT) {
-          CFX_FloatRect rcCrossout = GetCrossoutRect(word);
-          rcCrossout.left += ptOffset.x;
-          rcCrossout.right += ptOffset.x;
-          rcCrossout.top += ptOffset.y;
-          rcCrossout.bottom += ptOffset.y;
-
-          AddRectToPageObjects(pObjectHolder, crCurText, rcCrossout);
-        }
-
-        oldplace = place;
-      }
-    }
-
-    if (sTextBuf.GetLength() > 0) {
-      ObjArray.Add(AddTextObjToPageObjects(
-          pObjectHolder, crOld, pFontMap->GetPDFFont(wp.nFontIndex),
-          wp.fFontSize, wp.fCharSpace, wp.nHorzScale,
-          CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
-          sTextBuf.MakeString()));
-    }
-  }
-}
-
-void IFX_Edit::GenerateUnderlineObjects(CPDF_PageObjectHolder* pObjectHolder,
-                                        IFX_Edit* pEdit,
-                                        const CFX_FloatPoint& ptOffset,
-                                        const CPVT_WordRange* pRange,
-                                        FX_COLORREF color) {
-  IFX_Edit_Iterator* pIterator = pEdit->GetIterator();
-  if (pEdit->GetFontMap()) {
-    if (pRange)
-      pIterator->SetAt(pRange->BeginPos);
-    else
-      pIterator->SetAt(0);
-
-    CPVT_WordPlace oldplace;
-
-    while (pIterator->NextWord()) {
-      CPVT_WordPlace place = pIterator->GetAt();
-      if (pRange && place.WordCmp(pRange->EndPos) > 0)
-        break;
-
-      CPVT_Word word;
-      if (pIterator->GetWord(word)) {
-        CFX_FloatRect rcUnderline = GetUnderLineRect(word);
-        rcUnderline.left += ptOffset.x;
-        rcUnderline.right += ptOffset.x;
-        rcUnderline.top += ptOffset.y;
-        rcUnderline.bottom += ptOffset.y;
-        AddRectToPageObjects(pObjectHolder, color, rcUnderline);
-      }
-    }
-  }
-}
diff --git a/fpdfsdk/fxedit/include/fx_edit.h b/fpdfsdk/fxedit/include/fx_edit.h
index 710c06f809..cface7daa5 100644
--- a/fpdfsdk/fxedit/include/fx_edit.h
+++ b/fpdfsdk/fxedit/include/fx_edit.h
@@ -77,10 +77,6 @@ class IFX_Edit_Notify {
                            const CFX_FloatPoint& ptHead,
                            const CFX_FloatPoint& ptFoot,
                            const CPVT_WordPlace& place) = 0;
-  // if the caret position is changed ,send the information of current postion
-  // to user.
-  virtual void IOnCaretChange(const CPVT_SecProps& secProps,
-                              const CPVT_WordProps& wordProps) = 0;
   // if the text area is changed, send the information to user.
   virtual void IOnContentChange(const CFX_FloatRect& rcContent) = 0;
   // Invalidate the rectangle relative to the bounding box of edit.
@@ -242,54 +238,6 @@ class IFX_Edit {
   virtual void SetTextOverflow(FX_BOOL bAllowed = FALSE,
                                FX_BOOL bPaint = TRUE) = 0;
 
-  // query if the edit is richedit.
-  virtual FX_BOOL IsRichText() const = 0;
-
-  // set the edit is richedit.
-  virtual void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE) = 0;
-
-  // set the fontsize of selected text.
-  virtual FX_BOOL SetRichFontSize(FX_FLOAT fFontSize) = 0;
-
-  // set the fontindex of selected text, user can change the font of selected
-  // text.
-  virtual FX_BOOL SetRichFontIndex(int32_t nFontIndex) = 0;
-
-  // set the textcolor of selected text.
-  virtual FX_BOOL SetRichTextColor(FX_COLORREF dwColor) = 0;
-
-  // set the text script type of selected text. (0:normal 1:superscript
-  // 2:subscript)
-  virtual FX_BOOL SetRichTextScript(
-      CPDF_VariableText::ScriptType nScriptType) = 0;
-
-  // set the bold font style of selected text.
-  virtual FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE) = 0;
-
-  // set the italic font style of selected text.
-  virtual FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE) = 0;
-
-  // set the underline style of selected text.
-  virtual FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE) = 0;
-
-  // set the crossout style of selected text.
-  virtual FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE) = 0;
-
-  // set the charspace of selected text, in user coordinate.
-  virtual FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace) = 0;
-
-  // set the horizontal scale of selected text, default value is 100.
-  virtual FX_BOOL SetRichTextHorzScale(int32_t nHorzScale = 100) = 0;
-
-  // set the leading of selected section, in user coordinate.
-  virtual FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading) = 0;
-
-  // set the indent of selected section, in user coordinate.
-  virtual FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent) = 0;
-
-  // set the alignment of selected section, nAlignment(0:left 1:middle 2:right)
-  virtual FX_BOOL SetRichTextAlignment(int32_t nAlignment) = 0;
-
   // set the selected range of text.
   // if nStartChar == 0 and nEndChar == -1, select all the text.
   virtual void SetSel(int32_t nStartChar, int32_t nEndChar) = 0;
@@ -413,9 +361,6 @@ class IFX_Edit {
   // allow undo/redo?
   virtual void EnableUndo(FX_BOOL bUndo) = 0;
 
-  // allow notify?
-  virtual void EnableNotify(FX_BOOL bNotify) = 0;
-
   // allow opr notify?
   virtual void EnableOprNotify(FX_BOOL bNotify) = 0;
 
@@ -493,19 +438,6 @@ class IFX_Edit {
                        const CPVT_WordRange* pRange,
                        CFX_SystemHandler* pSystemHandler,
                        void* pFFLData);
-  static void DrawUnderline(CFX_RenderDevice* pDevice,
-                            CFX_Matrix* pUser2Device,
-                            IFX_Edit* pEdit,
-                            FX_COLORREF color,
-                            const CFX_FloatRect& rcClip,
-                            const CFX_FloatPoint& ptOffset,
-                            const CPVT_WordRange* pRange);
-  static void DrawRichEdit(CFX_RenderDevice* pDevice,
-                           CFX_Matrix* pUser2Device,
-                           IFX_Edit* pEdit,
-                           const CFX_FloatRect& rcClip,
-                           const CFX_FloatPoint& ptOffset,
-                           const CPVT_WordRange* pRange);
   static void GeneratePageObjects(
       CPDF_PageObjectHolder* pObjectHolder,
       IFX_Edit* pEdit,
@@ -513,17 +445,6 @@ class IFX_Edit {
       const CPVT_WordRange* pRange,
       FX_COLORREF crText,
       CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
-  static void GenerateRichPageObjects(
-      CPDF_PageObjectHolder* pObjectHolder,
-      IFX_Edit* pEdit,
-      const CFX_FloatPoint& ptOffset,
-      const CPVT_WordRange* pRange,
-      CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
-  static void GenerateUnderlineObjects(CPDF_PageObjectHolder* pObjectHolder,
-                                       IFX_Edit* pEdit,
-                                       const CFX_FloatPoint& ptOffset,
-                                       const CPVT_WordRange* pRange,
-                                       FX_COLORREF color);
 
  protected:
   virtual ~IFX_Edit() {}
diff --git a/fpdfsdk/fxedit/include/fxet_edit.h b/fpdfsdk/fxedit/include/fxet_edit.h
index aab26556b8..6f1a6d6530 100644
--- a/fpdfsdk/fxedit/include/fxet_edit.h
+++ b/fpdfsdk/fxedit/include/fxet_edit.h
@@ -331,34 +331,6 @@ class CFXEU_Clear : public CFX_Edit_UndoItem {
   CFX_WideString m_swText;
 };
 
-class CFXEU_ClearRich : public CFX_Edit_UndoItem {
- public:
-  CFXEU_ClearRich(CFX_Edit* pEdit,
-                  const CPVT_WordPlace& wpOldPlace,
-                  const CPVT_WordPlace& wpNewPlace,
-                  const CPVT_WordRange& wrSel,
-                  uint16_t word,
-                  int32_t charset,
-                  const CPVT_SecProps& SecProps,
-                  const CPVT_WordProps& WordProps);
-  ~CFXEU_ClearRich() override;
-
-  // CFX_Edit_UndoItem
-  void Redo() override;
-  void Undo() override;
-
- private:
-  CFX_Edit* m_pEdit;
-
-  CPVT_WordPlace m_wpOld;
-  CPVT_WordPlace m_wpNew;
-  CPVT_WordRange m_wrSel;
-  uint16_t m_Word;
-  int32_t m_nCharset;
-  CPVT_SecProps m_SecProps;
-  CPVT_WordProps m_WordProps;
-};
-
 class CFXEU_InsertText : public CFX_Edit_UndoItem {
  public:
   CFXEU_InsertText(CFX_Edit* pEdit,
@@ -385,58 +357,6 @@ class CFXEU_InsertText : public CFX_Edit_UndoItem {
   CPVT_WordProps m_WordProps;
 };
 
-class CFXEU_SetSecProps : public CFX_Edit_UndoItem {
- public:
-  CFXEU_SetSecProps(CFX_Edit* pEdit,
-                    const CPVT_WordPlace& place,
-                    EDIT_PROPS_E ep,
-                    const CPVT_SecProps& oldsecprops,
-                    const CPVT_WordProps& oldwordprops,
-                    const CPVT_SecProps& newsecprops,
-                    const CPVT_WordProps& newwordprops,
-                    const CPVT_WordRange& range);
-  ~CFXEU_SetSecProps() override;
-
-  // CFX_Edit_UndoItem
-  void Redo() override;
-  void Undo() override;
-
- private:
-  CFX_Edit* m_pEdit;
-  CPVT_WordPlace m_wpPlace;
-  CPVT_WordRange m_wrPlace;
-  EDIT_PROPS_E m_eProps;
-
-  CPVT_SecProps m_OldSecProps;
-  CPVT_SecProps m_NewSecProps;
-  CPVT_WordProps m_OldWordProps;
-  CPVT_WordProps m_NewWordProps;
-};
-
-class CFXEU_SetWordProps : public CFX_Edit_UndoItem {
- public:
-  CFXEU_SetWordProps(CFX_Edit* pEdit,
-                     const CPVT_WordPlace& place,
-                     EDIT_PROPS_E ep,
-                     const CPVT_WordProps& oldprops,
-                     const CPVT_WordProps& newprops,
-                     const CPVT_WordRange& range);
-  ~CFXEU_SetWordProps() override;
-
-  // CFX_Edit_UndoItem
-  void Redo() override;
-  void Undo() override;
-
- private:
-  CFX_Edit* m_pEdit;
-  CPVT_WordPlace m_wpPlace;
-  CPVT_WordRange m_wrPlace;
-  EDIT_PROPS_E m_eProps;
-
-  CPVT_WordProps m_OldWordProps;
-  CPVT_WordProps m_NewWordProps;
-};
-
 class CFX_Edit : public IFX_Edit {
   friend class CFX_Edit_Iterator;
   friend class CFXEU_InsertWord;
@@ -444,9 +364,6 @@ class CFX_Edit : public IFX_Edit {
   friend class CFXEU_Backspace;
   friend class CFXEU_Delete;
   friend class CFXEU_Clear;
-  friend class CFXEU_ClearRich;
-  friend class CFXEU_SetSecProps;
-  friend class CFXEU_SetWordProps;
   friend class CFXEU_InsertText;
 
  public:
@@ -478,21 +395,6 @@ class CFX_Edit : public IFX_Edit {
   void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE) override;
   void SetTextOverflow(FX_BOOL bAllowed = FALSE,
                        FX_BOOL bPaint = TRUE) override;
-  FX_BOOL IsRichText() const override;
-  void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE) override;
-  FX_BOOL SetRichFontSize(FX_FLOAT fFontSize) override;
-  FX_BOOL SetRichFontIndex(int32_t nFontIndex) override;
-  FX_BOOL SetRichTextColor(FX_COLORREF dwColor) override;
-  FX_BOOL SetRichTextScript(CPDF_VariableText::ScriptType nScriptType) override;
-  FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE) override;
-  FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE) override;
-  FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE) override;
-  FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE) override;
-  FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace) override;
-  FX_BOOL SetRichTextHorzScale(int32_t nHorzScale = 100) override;
-  FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading) override;
-  FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent) override;
-  FX_BOOL SetRichTextAlignment(int32_t nAlignment) override;
   void OnMouseDown(const CFX_FloatPoint& point,
                    FX_BOOL bShift,
                    FX_BOOL bCtrl) override;
@@ -551,7 +453,6 @@ class CFX_Edit : public IFX_Edit {
   void SelectNone() override;
   FX_BOOL IsSelected() const override;
   void Paint() override;
-  void EnableNotify(FX_BOOL bNotify) override;
   void EnableRefresh(FX_BOOL bRefresh) override;
   void RefreshWordRange(const CPVT_WordRange& wr) override;
   void SetCaret(int32_t nPos) override;
@@ -614,21 +515,6 @@ class CFX_Edit : public IFX_Edit {
                      const CPVT_WordProps* pWordProps,
                      FX_BOOL bAddUndo,
                      FX_BOOL bPaint);
-  FX_BOOL SetRichTextProps(EDIT_PROPS_E eProps,
-                           const CPVT_SecProps* pSecProps,
-                           const CPVT_WordProps* pWordProps);
-  FX_BOOL SetSecProps(EDIT_PROPS_E eProps,
-                      const CPVT_WordPlace& place,
-                      const CPVT_SecProps* pSecProps,
-                      const CPVT_WordProps* pWordProps,
-                      const CPVT_WordRange& wr,
-                      FX_BOOL bAddUndo);
-  FX_BOOL SetWordProps(EDIT_PROPS_E eProps,
-                       const CPVT_WordPlace& place,
-                       const CPVT_WordProps* pWordProps,
-                       const CPVT_WordRange& wr,
-                       FX_BOOL bAddUndo);
-  void PaintSetProps(EDIT_PROPS_E eProps, const CPVT_WordRange& wr);
   void PaintInsertText(const CPVT_WordPlace& wpOld,
                        const CPVT_WordPlace& wpNew);
 
@@ -646,7 +532,6 @@ class CFX_Edit : public IFX_Edit {
   void SetCaret(const CPVT_WordPlace& place);
   void SetCaretInfo();
   void SetCaretOrigin();
-  void SetCaretChange();
 
   CPVT_WordRange GetLatinWordsRange(const CPVT_WordPlace& place) const;
   CPVT_WordRange CombineWordRange(const CPVT_WordRange& wr1,
@@ -685,7 +570,6 @@ class CFX_Edit : public IFX_Edit {
   FX_BOOL m_bEnableRefresh;
   CFX_FloatRect m_rcOldContent;
   FX_BOOL m_bEnableUndo;
-  FX_BOOL m_bNotify;
   FX_BOOL m_bOprNotify;
   CFX_Edit_GroupUndoItem* m_pGroupUndoItem;
 };
diff --git a/fpdfsdk/javascript/Field.cpp b/fpdfsdk/javascript/Field.cpp
index 8d7fe1b186..ee910329d5 100644
--- a/fpdfsdk/javascript/Field.cpp
+++ b/fpdfsdk/javascript/Field.cpp
@@ -2225,8 +2225,6 @@ FX_BOOL Field::richText(IJS_Context* cc,
 
     if (m_bDelay) {
       AddDelay_Bool(FP_RICHTEXT, bVP);
-    } else {
-      Field::SetRichText(m_pDocument, m_FieldName, m_nFormControlIndex, bVP);
     }
   } else {
     std::vector<CPDF_FormField*> FieldArray = GetFormFields(m_FieldName);
@@ -2246,25 +2244,12 @@ FX_BOOL Field::richText(IJS_Context* cc,
   return TRUE;
 }
 
-void Field::SetRichText(CPDFSDK_Document* pDocument,
-                        const CFX_WideString& swFieldName,
-                        int nControlIndex,
-                        bool b) {
-  // Not supported.
-}
-
 FX_BOOL Field::richValue(IJS_Context* cc,
                          CJS_PropValue& vp,
                          CFX_WideString& sError) {
   return TRUE;
 }
 
-void Field::SetRichValue(CPDFSDK_Document* pDocument,
-                         const CFX_WideString& swFieldName,
-                         int nControlIndex) {
-  // Not supported.
-}
-
 FX_BOOL Field::rotation(IJS_Context* cc,
                         CJS_PropValue& vp,
                         CFX_WideString& sError) {
@@ -3506,8 +3491,7 @@ void Field::DoDelay(CPDFSDK_Document* pDocument, CJS_DelayData* pData) {
                      pData->rect);
       break;
     case FP_RICHTEXT:
-      Field::SetRichText(pDocument, pData->sFieldName, pData->nControlIndex,
-                         pData->b);
+      // Not supported.
       break;
     case FP_RICHVALUE:
       break;
diff --git a/fpdfsdk/javascript/Field.h b/fpdfsdk/javascript/Field.h
index 2972909149..5697865b7c 100644
--- a/fpdfsdk/javascript/Field.h
+++ b/fpdfsdk/javascript/Field.h
@@ -374,13 +374,6 @@ class Field : public CJS_EmbedObj {
                       const CFX_WideString& swFieldName,
                       int nControlIndex,
                       const CFX_FloatRect& rect);
-  static void SetRichText(CPDFSDK_Document* pDocument,
-                          const CFX_WideString& swFieldName,
-                          int nControlIndex,
-                          bool b);
-  static void SetRichValue(CPDFSDK_Document* pDocument,
-                           const CFX_WideString& swFieldName,
-                           int nControlIndex);
   static void SetRotation(CPDFSDK_Document* pDocument,
                           const CFX_WideString& swFieldName,
                           int nControlIndex,
diff --git a/fpdfsdk/pdfwindow/PWL_EditCtrl.cpp b/fpdfsdk/pdfwindow/PWL_EditCtrl.cpp
index e74a6d8b32..4802c78fdb 100644
--- a/fpdfsdk/pdfwindow/PWL_EditCtrl.cpp
+++ b/fpdfsdk/pdfwindow/PWL_EditCtrl.cpp
@@ -566,9 +566,6 @@ void CPWL_EditCtrl::IOnSetCaret(FX_BOOL bVisible,
   OnNotify(this, PNM_SETCARETINFO, (intptr_t)&cInfo, (intptr_t) nullptr);
 }
 
-void CPWL_EditCtrl::IOnCaretChange(const CPVT_SecProps& secProps,
-                                   const CPVT_WordProps& wordProps) {}
-
 void CPWL_EditCtrl::IOnContentChange(const CFX_FloatRect& rcContent) {
   if (IsValid()) {
     if (m_pEditNotify) {
diff --git a/fpdfsdk/pdfwindow/PWL_EditCtrl.h b/fpdfsdk/pdfwindow/PWL_EditCtrl.h
index a8de08aaa6..b21c480b7d 100644
--- a/fpdfsdk/pdfwindow/PWL_EditCtrl.h
+++ b/fpdfsdk/pdfwindow/PWL_EditCtrl.h
@@ -138,8 +138,6 @@ class CPWL_EditCtrl : public CPWL_Wnd, public IFX_Edit_Notify {
                    const CFX_FloatPoint& ptHead,
                    const CFX_FloatPoint& ptFoot,
                    const CPVT_WordPlace& place) override;
-  void IOnCaretChange(const CPVT_SecProps& secProps,
-                      const CPVT_WordProps& wordProps) override;
   void IOnContentChange(const CFX_FloatRect& rcContent) override;
   void IOnInvalidateRect(CFX_FloatRect* pRect) override;
 
diff --git a/fpdfsdk/pdfwindow/PWL_ListBox.h b/fpdfsdk/pdfwindow/PWL_ListBox.h
index 37299e12df..eea0862a8b 100644
--- a/fpdfsdk/pdfwindow/PWL_ListBox.h
+++ b/fpdfsdk/pdfwindow/PWL_ListBox.h
@@ -40,8 +40,6 @@ class CPWL_List_Notify : public IFX_List_Notify {
                    const CFX_FloatPoint& ptHead,
                    const CFX_FloatPoint& ptFoot,
                    const CPVT_WordPlace& place);
-  void IOnCaretChange(const CPVT_SecProps& secProps,
-                      const CPVT_WordProps& wordProps);
 
  private:
   CPWL_ListBox* m_pList;