diff --git a/fpdfsdk/formfiller/cffl_formfiller.cpp b/fpdfsdk/formfiller/cffl_formfiller.cpp
new file mode 100644
index 0000000..732ea86
--- /dev/null
+++ b/fpdfsdk/formfiller/cffl_formfiller.cpp
@@ -0,0 +1,728 @@
+// 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
+
+#include "fpdfsdk/formfiller/cffl_formfiller.h"
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
+#include "fpdfsdk/formfiller/cba_fontmap.h"
+#include "fpdfsdk/include/fsdk_common.h"
+#include "fpdfsdk/include/fsdk_mgr.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
+
+#define GetRed(rgb) ((uint8_t)(rgb))
+#define GetGreen(rgb) ((uint8_t)(((FX_WORD)(rgb)) >> 8))
+#define GetBlue(rgb) ((uint8_t)((rgb) >> 16))
+
+#define FFL_HINT_ELAPSE 800
+
+CFFL_FormFiller::CFFL_FormFiller(CPDFDoc_Environment* pApp,
+                                 CPDFSDK_Annot* pAnnot)
+    : m_pApp(pApp), m_pAnnot(pAnnot), m_bValid(FALSE), m_ptOldPos(0, 0) {
+  m_pWidget = (CPDFSDK_Widget*)pAnnot;
+}
+
+CFFL_FormFiller::~CFFL_FormFiller() {
+  for (const auto& it : m_Maps) {
+    CPWL_Wnd* pWnd = it.second;
+    CFFL_PrivateData* pData = (CFFL_PrivateData*)pWnd->GetAttachedData();
+    pWnd->InvalidateProvider(this);
+    pWnd->Destroy();
+    delete pWnd;
+    delete pData;
+  }
+  m_Maps.clear();
+}
+
+void CFFL_FormFiller::SetWindowRect(CPDFSDK_PageView* pPageView,
+                                    const CFX_FloatRect& rcWindow) {
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    pWnd->Move(CFX_FloatRect(rcWindow), TRUE, FALSE);
+  }
+}
+
+CFX_FloatRect CFFL_FormFiller::GetWindowRect(CPDFSDK_PageView* pPageView) {
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    return pWnd->GetWindowRect();
+  }
+
+  return CFX_FloatRect(0, 0, 0, 0);
+}
+
+FX_RECT CFFL_FormFiller::GetViewBBox(CPDFSDK_PageView* pPageView,
+                                     CPDFSDK_Annot* pAnnot) {
+  ASSERT(pPageView);
+  ASSERT(pAnnot);
+
+  CFX_FloatRect rcAnnot = m_pWidget->GetRect();
+
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    CFX_FloatRect rcWindow = pWnd->GetWindowRect();
+    rcAnnot = PWLtoFFL(rcWindow);
+  }
+
+  CFX_FloatRect rcWin = rcAnnot;
+
+  CFX_FloatRect rcFocus = GetFocusBox(pPageView);
+  if (!rcFocus.IsEmpty())
+    rcWin.Union(rcFocus);
+
+  CFX_FloatRect rect = CPWL_Utils::InflateRect(rcWin, 1);
+
+  return rect.GetOutterRect();
+}
+
+void CFFL_FormFiller::OnDraw(CPDFSDK_PageView* pPageView,
+                             CPDFSDK_Annot* pAnnot,
+                             CFX_RenderDevice* pDevice,
+                             CFX_Matrix* pUser2Device,
+                             FX_DWORD dwFlags) {
+  ASSERT(pAnnot->GetPDFAnnot()->GetSubType() == "Widget");
+
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    CFX_Matrix mt = GetCurMatrix();
+    mt.Concat(*pUser2Device);
+    pWnd->DrawAppearance(pDevice, &mt);
+  } else {
+    CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
+    if (CFFL_IFormFiller::IsVisible(pWidget))
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
+  }
+}
+
+void CFFL_FormFiller::OnDrawDeactive(CPDFSDK_PageView* pPageView,
+                                     CPDFSDK_Annot* pAnnot,
+                                     CFX_RenderDevice* pDevice,
+                                     CFX_Matrix* pUser2Device,
+                                     FX_DWORD dwFlags) {
+  CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
+  pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
+}
+
+void CFFL_FormFiller::OnCreate(CPDFSDK_Annot* pAnnot) {}
+
+void CFFL_FormFiller::OnLoad(CPDFSDK_Annot* pAnnot) {}
+
+void CFFL_FormFiller::OnDelete(CPDFSDK_Annot* pAnnot) {}
+
+void CFFL_FormFiller::OnMouseEnter(CPDFSDK_PageView* pPageView,
+                                   CPDFSDK_Annot* pAnnot) {}
+
+void CFFL_FormFiller::OnMouseExit(CPDFSDK_PageView* pPageView,
+                                  CPDFSDK_Annot* pAnnot) {
+  EndTimer();
+  ASSERT(m_pWidget);
+}
+
+FX_BOOL CFFL_FormFiller::OnLButtonDown(CPDFSDK_PageView* pPageView,
+                                       CPDFSDK_Annot* pAnnot,
+                                       FX_UINT nFlags,
+                                       const CFX_FloatPoint& point) {
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, TRUE)) {
+    m_bValid = TRUE;
+    FX_RECT rect = GetViewBBox(pPageView, pAnnot);
+    InvalidateRect(rect.left, rect.top, rect.right, rect.bottom);
+
+    if (!rect.Contains((int)point.x, (int)point.y))
+      return FALSE;
+
+    return pWnd->OnLButtonDown(WndtoPWL(pPageView, point), nFlags);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CFFL_FormFiller::OnLButtonUp(CPDFSDK_PageView* pPageView,
+                                     CPDFSDK_Annot* pAnnot,
+                                     FX_UINT nFlags,
+                                     const CFX_FloatPoint& point) {
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    FX_RECT rcFFL = GetViewBBox(pPageView, pAnnot);
+    InvalidateRect(rcFFL.left, rcFFL.top, rcFFL.right, rcFFL.bottom);
+    pWnd->OnLButtonUp(WndtoPWL(pPageView, point), nFlags);
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CFFL_FormFiller::OnLButtonDblClk(CPDFSDK_PageView* pPageView,
+                                         CPDFSDK_Annot* pAnnot,
+                                         FX_UINT nFlags,
+                                         const CFX_FloatPoint& point) {
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    pWnd->OnLButtonDblClk(WndtoPWL(pPageView, point), nFlags);
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CFFL_FormFiller::OnMouseMove(CPDFSDK_PageView* pPageView,
+                                     CPDFSDK_Annot* pAnnot,
+                                     FX_UINT nFlags,
+                                     const CFX_FloatPoint& point) {
+  if ((m_ptOldPos.x != point.x) || (m_ptOldPos.y != point.y)) {
+    m_ptOldPos = point;
+  }
+
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    pWnd->OnMouseMove(WndtoPWL(pPageView, point), nFlags);
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CFFL_FormFiller::OnMouseWheel(CPDFSDK_PageView* pPageView,
+                                      CPDFSDK_Annot* pAnnot,
+                                      FX_UINT nFlags,
+                                      short zDelta,
+                                      const CFX_FloatPoint& point) {
+  if (!IsValid())
+    return FALSE;
+
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, TRUE)) {
+    return pWnd->OnMouseWheel(zDelta, WndtoPWL(pPageView, point), nFlags);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CFFL_FormFiller::OnRButtonDown(CPDFSDK_PageView* pPageView,
+                                       CPDFSDK_Annot* pAnnot,
+                                       FX_UINT nFlags,
+                                       const CFX_FloatPoint& point) {
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, TRUE)) {
+    pWnd->OnRButtonDown(WndtoPWL(pPageView, point), nFlags);
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CFFL_FormFiller::OnRButtonUp(CPDFSDK_PageView* pPageView,
+                                     CPDFSDK_Annot* pAnnot,
+                                     FX_UINT nFlags,
+                                     const CFX_FloatPoint& point) {
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    pWnd->OnRButtonUp(WndtoPWL(pPageView, point), nFlags);
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CFFL_FormFiller::OnKeyDown(CPDFSDK_Annot* pAnnot,
+                                   FX_UINT nKeyCode,
+                                   FX_UINT nFlags) {
+  if (IsValid()) {
+    CPDFSDK_PageView* pPageView = GetCurPageView();
+    ASSERT(pPageView);
+
+    if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+      return pWnd->OnKeyDown(nKeyCode, nFlags);
+    }
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CFFL_FormFiller::OnChar(CPDFSDK_Annot* pAnnot,
+                                FX_UINT nChar,
+                                FX_UINT nFlags) {
+  if (IsValid()) {
+    CPDFSDK_PageView* pPageView = GetCurPageView();
+    ASSERT(pPageView);
+
+    if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+      return pWnd->OnChar(nChar, nFlags);
+    }
+  }
+
+  return FALSE;
+}
+
+void CFFL_FormFiller::SetFocusForAnnot(CPDFSDK_Annot* pAnnot, FX_UINT nFlag) {
+  CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
+  UnderlyingPageType* pPage = pWidget->GetUnderlyingPage();
+  CPDFSDK_Document* pDoc = m_pApp->GetSDKDocument();
+  CPDFSDK_PageView* pPageView = pDoc->GetPageView(pPage);
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, TRUE))
+    pWnd->SetFocus();
+
+  m_bValid = TRUE;
+  FX_RECT rcRect = GetViewBBox(pPageView, pAnnot);
+  InvalidateRect(rcRect.left, rcRect.top, rcRect.right, rcRect.bottom);
+}
+
+void CFFL_FormFiller::KillFocusForAnnot(CPDFSDK_Annot* pAnnot, FX_UINT nFlag) {
+  if (!IsValid())
+    return;
+
+  CPDFSDK_PageView* pPageView = GetCurPageView();
+  if (!pPageView)
+    return;
+
+  CommitData(pPageView, nFlag);
+
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE))
+    pWnd->KillFocus();
+
+  FX_BOOL bDestroyPDFWindow;
+  switch (m_pWidget->GetFieldType()) {
+    case FIELDTYPE_PUSHBUTTON:
+    case FIELDTYPE_CHECKBOX:
+    case FIELDTYPE_RADIOBUTTON:
+      bDestroyPDFWindow = TRUE;
+      break;
+    default:
+      bDestroyPDFWindow = FALSE;
+      break;
+  }
+  EscapeFiller(pPageView, bDestroyPDFWindow);
+}
+
+FX_BOOL CFFL_FormFiller::IsValid() const {
+  return m_bValid;
+}
+
+PWL_CREATEPARAM CFFL_FormFiller::GetCreateParam() {
+  ASSERT(m_pApp);
+
+  PWL_CREATEPARAM cp;
+  cp.pParentWnd = NULL;
+  cp.pProvider = this;
+  cp.rcRectWnd = GetPDFWindowRect();
+
+  FX_DWORD dwCreateFlags = PWS_BORDER | PWS_BACKGROUND | PWS_VISIBLE;
+  FX_DWORD dwFieldFlag = m_pWidget->GetFieldFlags();
+  if (dwFieldFlag & FIELDFLAG_READONLY) {
+    dwCreateFlags |= PWS_READONLY;
+  }
+
+  FX_COLORREF color;
+  if (m_pWidget->GetFillColor(color)) {
+    cp.sBackgroundColor =
+        CPWL_Color(GetRed(color), GetGreen(color), GetBlue(color));
+  }
+
+  if (m_pWidget->GetBorderColor(color)) {
+    cp.sBorderColor =
+        CPWL_Color(GetRed(color), GetGreen(color), GetBlue(color));
+  }
+
+  cp.sTextColor = CPWL_Color(COLORTYPE_GRAY, 0);
+
+  if (m_pWidget->GetTextColor(color)) {
+    cp.sTextColor = CPWL_Color(GetRed(color), GetGreen(color), GetBlue(color));
+  }
+
+  cp.fFontSize = m_pWidget->GetFontSize();
+  cp.dwBorderWidth = m_pWidget->GetBorderWidth();
+
+  int nBorderStyle = m_pWidget->GetBorderStyle();
+
+  switch (nBorderStyle) {
+    case BBS_SOLID:
+      cp.nBorderStyle = PBS_SOLID;
+      break;
+    case BBS_DASH:
+      cp.nBorderStyle = PBS_DASH;
+      cp.sDash = CPWL_Dash(3, 3, 0);
+      break;
+    case BBS_BEVELED:
+      cp.nBorderStyle = PBS_BEVELED;
+      cp.dwBorderWidth *= 2;
+      break;
+    case BBS_INSET:
+      cp.nBorderStyle = PBS_INSET;
+      cp.dwBorderWidth *= 2;
+      break;
+    case BBS_UNDERLINE:
+      cp.nBorderStyle = PBS_UNDERLINED;
+      break;
+  }
+
+  if (cp.fFontSize <= 0) {
+    dwCreateFlags |= PWS_AUTOFONTSIZE;
+  }
+
+  cp.dwFlags = dwCreateFlags;
+  cp.pSystemHandler = m_pApp->GetSysHandler();
+  return cp;
+}
+
+CPWL_Wnd* CFFL_FormFiller::GetPDFWindow(CPDFSDK_PageView* pPageView,
+                                        FX_BOOL bNew) {
+  ASSERT(pPageView);
+
+  auto it = m_Maps.find(pPageView);
+  const bool found = it != m_Maps.end();
+  CPWL_Wnd* pWnd = found ? it->second : nullptr;
+  if (!bNew)
+    return pWnd;
+
+  if (found) {
+    CFFL_PrivateData* pPrivateData = (CFFL_PrivateData*)pWnd->GetAttachedData();
+    if (pPrivateData->nWidgetAge != m_pWidget->GetAppearanceAge()) {
+      return ResetPDFWindow(
+          pPageView, m_pWidget->GetValueAge() == pPrivateData->nValueAge);
+    }
+  } else {
+    PWL_CREATEPARAM cp = GetCreateParam();
+    cp.hAttachedWnd = (FX_HWND)m_pWidget;
+
+    CFFL_PrivateData* pPrivateData = new CFFL_PrivateData;
+    pPrivateData->pWidget = m_pWidget;
+    pPrivateData->pPageView = pPageView;
+    pPrivateData->nWidgetAge = m_pWidget->GetAppearanceAge();
+    pPrivateData->nValueAge = 0;
+
+    cp.pAttachedData = pPrivateData;
+
+    pWnd = NewPDFWindow(cp, pPageView);
+    m_Maps[pPageView] = pWnd;
+  }
+
+  return pWnd;
+}
+
+void CFFL_FormFiller::DestroyPDFWindow(CPDFSDK_PageView* pPageView) {
+  auto it = m_Maps.find(pPageView);
+  if (it == m_Maps.end())
+    return;
+
+  CPWL_Wnd* pWnd = it->second;
+  CFFL_PrivateData* pData = (CFFL_PrivateData*)pWnd->GetAttachedData();
+  pWnd->Destroy();
+  delete pWnd;
+  delete pData;
+
+  m_Maps.erase(it);
+}
+
+CFX_Matrix CFFL_FormFiller::GetWindowMatrix(void* pAttachedData) {
+  if (CFFL_PrivateData* pPrivateData = (CFFL_PrivateData*)pAttachedData) {
+    if (pPrivateData->pPageView) {
+      CFX_Matrix mtPageView;
+      pPrivateData->pPageView->GetCurrentMatrix(mtPageView);
+      CFX_Matrix mt = GetCurMatrix();
+      mt.Concat(mtPageView);
+
+      return mt;
+    }
+  }
+  return CFX_Matrix(1, 0, 0, 1, 0, 0);
+}
+
+CFX_Matrix CFFL_FormFiller::GetCurMatrix() {
+  CFX_Matrix mt;
+
+  CFX_FloatRect rcDA;
+  m_pWidget->GetPDFAnnot()->GetRect(rcDA);
+
+  switch (m_pWidget->GetRotate()) {
+    default:
+    case 0:
+      mt = CFX_Matrix(1, 0, 0, 1, 0, 0);
+      break;
+    case 90:
+      mt = CFX_Matrix(0, 1, -1, 0, rcDA.right - rcDA.left, 0);
+      break;
+    case 180:
+      mt = CFX_Matrix(-1, 0, 0, -1, rcDA.right - rcDA.left,
+                      rcDA.top - rcDA.bottom);
+      break;
+    case 270:
+      mt = CFX_Matrix(0, -1, 1, 0, 0, rcDA.top - rcDA.bottom);
+      break;
+  }
+  mt.e += rcDA.left;
+  mt.f += rcDA.bottom;
+
+  return mt;
+}
+
+CFX_WideString CFFL_FormFiller::LoadPopupMenuString(int nIndex) {
+  ASSERT(m_pApp);
+
+  return L"";
+}
+
+CFX_FloatRect CFFL_FormFiller::GetPDFWindowRect() const {
+  CFX_FloatRect rectAnnot;
+  m_pWidget->GetPDFAnnot()->GetRect(rectAnnot);
+
+  FX_FLOAT fWidth = rectAnnot.right - rectAnnot.left;
+  FX_FLOAT fHeight = rectAnnot.top - rectAnnot.bottom;
+  if ((m_pWidget->GetRotate() / 90) & 0x01)
+    return CFX_FloatRect(0, 0, fHeight, fWidth);
+
+  return CFX_FloatRect(0, 0, fWidth, fHeight);
+}
+
+CPDFSDK_PageView* CFFL_FormFiller::GetCurPageView() {
+  UnderlyingPageType* pPage = m_pAnnot->GetUnderlyingPage();
+  CPDFSDK_Document* pSDKDoc = m_pApp->GetSDKDocument();
+  return pSDKDoc ? pSDKDoc->GetPageView(pPage) : nullptr;
+}
+
+CFX_FloatRect CFFL_FormFiller::GetFocusBox(CPDFSDK_PageView* pPageView) {
+  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
+    CFX_FloatRect rcFocus = FFLtoWnd(pPageView, PWLtoFFL(pWnd->GetFocusRect()));
+    CFX_FloatRect rcPage = pPageView->GetPDFPage()->GetPageBBox();
+    if (rcPage.Contains(rcFocus))
+      return rcFocus;
+  }
+  return CFX_FloatRect(0, 0, 0, 0);
+}
+
+CFX_FloatRect CFFL_FormFiller::FFLtoPWL(const CFX_FloatRect& rect) {
+  CFX_Matrix mt;
+  mt.SetReverse(GetCurMatrix());
+
+  CFX_FloatRect temp = rect;
+  mt.TransformRect(temp);
+
+  return temp;
+}
+
+CFX_FloatRect CFFL_FormFiller::PWLtoFFL(const CFX_FloatRect& rect) {
+  CFX_Matrix mt = GetCurMatrix();
+
+  CFX_FloatRect temp = rect;
+  mt.TransformRect(temp);
+
+  return temp;
+}
+
+CFX_FloatPoint CFFL_FormFiller::FFLtoPWL(const CFX_FloatPoint& point) {
+  CFX_Matrix mt;
+  mt.SetReverse(GetCurMatrix());
+
+  CFX_FloatPoint pt = point;
+  mt.Transform(pt.x, pt.y);
+
+  return pt;
+}
+
+CFX_FloatPoint CFFL_FormFiller::PWLtoFFL(const CFX_FloatPoint& point) {
+  CFX_Matrix mt = GetCurMatrix();
+
+  CFX_FloatPoint pt = point;
+  mt.Transform(pt.x, pt.y);
+
+  return pt;
+}
+
+CFX_FloatPoint CFFL_FormFiller::WndtoPWL(CPDFSDK_PageView* pPageView,
+                                         const CFX_FloatPoint& pt) {
+  return FFLtoPWL(pt);
+}
+
+CFX_FloatRect CFFL_FormFiller::FFLtoWnd(CPDFSDK_PageView* pPageView,
+                                        const CFX_FloatRect& rect) {
+  return rect;
+}
+
+FX_BOOL CFFL_FormFiller::CommitData(CPDFSDK_PageView* pPageView,
+                                    FX_UINT nFlag) {
+  if (IsDataChanged(pPageView)) {
+    FX_BOOL bRC = TRUE;
+    FX_BOOL bExit = FALSE;
+    CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller();
+    pIFormFiller->OnKeyStrokeCommit(m_pWidget, pPageView, bRC, bExit, nFlag);
+    if (bExit)
+      return TRUE;
+    if (!bRC) {
+      ResetPDFWindow(pPageView, FALSE);
+      return TRUE;
+    }
+
+    pIFormFiller->OnValidate(m_pWidget, pPageView, bRC, bExit, nFlag);
+    if (bExit)
+      return TRUE;
+    if (!bRC) {
+      ResetPDFWindow(pPageView, FALSE);
+      return TRUE;
+    }
+
+    SaveData(pPageView);
+    pIFormFiller->OnCalculate(m_pWidget, pPageView, bExit, nFlag);
+    if (bExit)
+      return TRUE;
+
+    pIFormFiller->OnFormat(m_pWidget, pPageView, bExit, nFlag);
+  }
+  return TRUE;
+}
+
+FX_BOOL CFFL_FormFiller::IsDataChanged(CPDFSDK_PageView* pPageView) {
+  return FALSE;
+}
+
+void CFFL_FormFiller::SaveData(CPDFSDK_PageView* pPageView) {}
+
+#ifdef PDF_ENABLE_XFA
+FX_BOOL CFFL_FormFiller::IsFieldFull(CPDFSDK_PageView* pPageView) {
+  return FALSE;
+}
+#endif  // PDF_ENABLE_XFA
+
+void CFFL_FormFiller::SetChangeMark() {
+  m_pApp->FFI_OnChange();
+}
+
+void CFFL_FormFiller::GetActionData(CPDFSDK_PageView* pPageView,
+                                    CPDF_AAction::AActionType type,
+                                    PDFSDK_FieldAction& fa) {
+  fa.sValue = m_pWidget->GetValue();
+}
+
+void CFFL_FormFiller::SetActionData(CPDFSDK_PageView* pPageView,
+                                    CPDF_AAction::AActionType type,
+                                    const PDFSDK_FieldAction& fa) {}
+
+FX_BOOL CFFL_FormFiller::IsActionDataChanged(CPDF_AAction::AActionType type,
+                                             const PDFSDK_FieldAction& faOld,
+                                             const PDFSDK_FieldAction& faNew) {
+  return FALSE;
+}
+
+void CFFL_FormFiller::SaveState(CPDFSDK_PageView* pPageView) {}
+
+void CFFL_FormFiller::RestoreState(CPDFSDK_PageView* pPageView) {}
+
+CPWL_Wnd* CFFL_FormFiller::ResetPDFWindow(CPDFSDK_PageView* pPageView,
+                                          FX_BOOL bRestoreValue) {
+  return GetPDFWindow(pPageView, FALSE);
+}
+
+void CFFL_FormFiller::TimerProc() {}
+
+IFX_SystemHandler* CFFL_FormFiller::GetSystemHandler() const {
+  return m_pApp->GetSysHandler();
+}
+
+void CFFL_FormFiller::EscapeFiller(CPDFSDK_PageView* pPageView,
+                                   FX_BOOL bDestroyPDFWindow) {
+  m_bValid = FALSE;
+
+  FX_RECT rcRect = GetViewBBox(pPageView, m_pWidget);
+  InvalidateRect(rcRect.left, rcRect.top, rcRect.right, rcRect.bottom);
+
+  if (bDestroyPDFWindow)
+    DestroyPDFWindow(pPageView);
+}
+
+void CFFL_FormFiller::InvalidateRect(double left,
+                                     double top,
+                                     double right,
+                                     double bottom) {
+  UnderlyingPageType* pPage = m_pWidget->GetUnderlyingPage();
+  m_pApp->FFI_Invalidate(pPage, left, top, right, bottom);
+}
+
+CFFL_Button::CFFL_Button(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pWidget)
+    : CFFL_FormFiller(pApp, pWidget), m_bMouseIn(FALSE), m_bMouseDown(FALSE) {}
+
+CFFL_Button::~CFFL_Button() {}
+
+void CFFL_Button::OnMouseEnter(CPDFSDK_PageView* pPageView,
+                               CPDFSDK_Annot* pAnnot) {
+  m_bMouseIn = TRUE;
+  FX_RECT rect = GetViewBBox(pPageView, pAnnot);
+  InvalidateRect(rect.left, rect.top, rect.right, rect.bottom);
+}
+
+void CFFL_Button::OnMouseExit(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot) {
+  m_bMouseIn = FALSE;
+
+  FX_RECT rect = GetViewBBox(pPageView, pAnnot);
+  InvalidateRect(rect.left, rect.top, rect.right, rect.bottom);
+  EndTimer();
+  ASSERT(m_pWidget);
+}
+
+FX_BOOL CFFL_Button::OnLButtonDown(CPDFSDK_PageView* pPageView,
+                                   CPDFSDK_Annot* pAnnot,
+                                   FX_UINT nFlags,
+                                   const CFX_FloatPoint& point) {
+  CFX_FloatRect rcAnnot = pAnnot->GetRect();
+  if (!rcAnnot.Contains(point.x, point.y))
+    return FALSE;
+
+  m_bMouseDown = TRUE;
+  m_bValid = TRUE;
+  FX_RECT rect = GetViewBBox(pPageView, pAnnot);
+  InvalidateRect(rect.left, rect.top, rect.right, rect.bottom);
+  return TRUE;
+}
+
+FX_BOOL CFFL_Button::OnLButtonUp(CPDFSDK_PageView* pPageView,
+                                 CPDFSDK_Annot* pAnnot,
+                                 FX_UINT nFlags,
+                                 const CFX_FloatPoint& point) {
+  CFX_FloatRect rcAnnot = pAnnot->GetRect();
+  if (!rcAnnot.Contains(point.x, point.y))
+    return FALSE;
+
+  m_bMouseDown = FALSE;
+  m_pWidget->GetPDFPage();
+
+  FX_RECT rect = GetViewBBox(pPageView, pAnnot);
+  InvalidateRect(rect.left, rect.top, rect.right, rect.bottom);
+  return TRUE;
+}
+
+FX_BOOL CFFL_Button::OnMouseMove(CPDFSDK_PageView* pPageView,
+                                 CPDFSDK_Annot* pAnnot,
+                                 FX_UINT nFlags,
+                                 const CFX_FloatPoint& point) {
+  ASSERT(m_pApp);
+
+  return TRUE;
+}
+
+void CFFL_Button::OnDraw(CPDFSDK_PageView* pPageView,
+                         CPDFSDK_Annot* pAnnot,
+                         CFX_RenderDevice* pDevice,
+                         CFX_Matrix* pUser2Device,
+                         FX_DWORD dwFlags) {
+  ASSERT(pPageView);
+  CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
+  CPDF_FormControl* pCtrl = pWidget->GetFormControl();
+  CPDF_FormControl::HighlightingMode eHM = pCtrl->GetHighlightingMode();
+
+  if (eHM != CPDF_FormControl::Push) {
+    pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
+    return;
+  }
+
+  if (m_bMouseDown) {
+    if (pWidget->IsWidgetAppearanceValid(CPDF_Annot::Down))
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Down, NULL);
+    else
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
+  } else if (m_bMouseIn) {
+    if (pWidget->IsWidgetAppearanceValid(CPDF_Annot::Rollover))
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Rollover,
+                              NULL);
+    else
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
+  } else {
+    pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
+  }
+}
+
+void CFFL_Button::OnDrawDeactive(CPDFSDK_PageView* pPageView,
+                                 CPDFSDK_Annot* pAnnot,
+                                 CFX_RenderDevice* pDevice,
+                                 CFX_Matrix* pUser2Device,
+                                 FX_DWORD dwFlags) {
+  OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);
+}