Move xfa/src up to xfa/.

This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1803723002 .

1 files changed, 1161 insertions, 0 deletions

diff --git a/xfa/fwl/basewidget/fwl_datetimepickerimp.cpp b/xfa/fwl/basewidget/fwl_datetimepickerimp.cpp
new file mode 100644
index 0000000000..cd82dde5ac
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_datetimepickerimp.cpp
@@ -0,0 +1,1161 @@
+// 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 "xfa/fwl/basewidget/fwl_datetimepickerimp.h"
+
+#include "xfa/fwl/basewidget/fwl_editimp.h"
+#include "xfa/fwl/basewidget/fwl_formproxyimp.h"
+#include "xfa/fwl/basewidget/fwl_monthcalendarimp.h"
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/basewidget/fwl_spinbutton.h"
+
+#define FWL_DTP_WIDTH 100
+#define FWL_DTP_HEIGHT 20
+
+// static
+IFWL_DateTimePicker* IFWL_DateTimePicker::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_DateTimePicker* pDateTimePicker = new IFWL_DateTimePicker;
+  CFWL_DateTimePickerImp* pDateTimePickerImpl =
+      new CFWL_DateTimePickerImp(properties, pOuter);
+  pDateTimePicker->SetImpl(pDateTimePickerImpl);
+  pDateTimePickerImpl->SetInterface(pDateTimePicker);
+  return pDateTimePicker;
+}
+
+// Static
+IFWL_DateTimeForm* IFWL_DateTimeForm::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_DateTimeForm* pDateTimeForm = new IFWL_DateTimeForm;
+  CFWL_FormProxyImp* pFormProxyImpl = new CFWL_FormProxyImp(properties, pOuter);
+  pDateTimeForm->SetImpl(pFormProxyImpl);
+  pFormProxyImpl->SetInterface(pDateTimeForm);
+  return pDateTimeForm;
+}
+
+// static
+IFWL_DateTimeCalender* IFWL_DateTimeCalender::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_DateTimeCalender* pDateTimeCalendar = new IFWL_DateTimeCalender;
+  CFWL_DateTimeCalendar* pDateTimeCalendarImpl =
+      new CFWL_DateTimeCalendar(properties, pOuter);
+  pDateTimeCalendar->SetImpl(pDateTimeCalendarImpl);
+  pDateTimeCalendarImpl->SetInterface(pDateTimeCalendar);
+  return pDateTimeCalendar;
+}
+
+// static
+IFWL_DateTimeEdit* IFWL_DateTimeEdit::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_DateTimeEdit* pDateTimeEdit = new IFWL_DateTimeEdit;
+  CFWL_DateTimeEdit* pDateTimeEditImpl =
+      new CFWL_DateTimeEdit(properties, pOuter);
+  pDateTimeEdit->SetImpl(pDateTimeEditImpl);
+  pDateTimeEditImpl->SetInterface(pDateTimeEdit);
+  return pDateTimeEdit;
+}
+
+IFWL_DateTimePicker::IFWL_DateTimePicker() {}
+int32_t IFWL_DateTimePicker::CountSelRanges() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->GetDataTimeEdit()
+      ->CountSelRanges();
+}
+int32_t IFWL_DateTimePicker::GetSelRange(int32_t nIndex, int32_t& nStart) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->GetDataTimeEdit()
+      ->GetSelRange(nIndex, nStart);
+}
+FWL_ERR IFWL_DateTimePicker::GetCurSel(int32_t& iYear,
+                                       int32_t& iMonth,
+                                       int32_t& iDay) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->GetCurSel(iYear, iMonth, iDay);
+}
+FWL_ERR IFWL_DateTimePicker::SetCurSel(int32_t iYear,
+                                       int32_t iMonth,
+                                       int32_t iDay) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->SetCurSel(iYear, iMonth, iDay);
+}
+FWL_ERR IFWL_DateTimePicker::SetEditText(const CFX_WideString& wsText) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->SetEditText(wsText);
+}
+FWL_ERR IFWL_DateTimePicker::GetEditText(CFX_WideString& wsText,
+                                         int32_t nStart,
+                                         int32_t nCount) const {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->GetEditText(wsText, nStart, nCount);
+}
+FX_BOOL IFWL_DateTimePicker::CanUndo() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanUndo();
+}
+FX_BOOL IFWL_DateTimePicker::CanRedo() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanRedo();
+}
+FX_BOOL IFWL_DateTimePicker::Undo() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Undo();
+}
+FX_BOOL IFWL_DateTimePicker::Redo() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Redo();
+}
+FX_BOOL IFWL_DateTimePicker::CanCopy() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanCopy();
+}
+FX_BOOL IFWL_DateTimePicker::CanCut() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanCut();
+}
+FX_BOOL IFWL_DateTimePicker::CanSelectAll() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanSelectAll();
+}
+FX_BOOL IFWL_DateTimePicker::Copy(CFX_WideString& wsCopy) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Copy(wsCopy);
+}
+FX_BOOL IFWL_DateTimePicker::Cut(CFX_WideString& wsCut) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Cut(wsCut);
+}
+FX_BOOL IFWL_DateTimePicker::Paste(const CFX_WideString& wsPaste) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Paste(wsPaste);
+}
+FX_BOOL IFWL_DateTimePicker::SelectAll() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->SelectAll();
+}
+FX_BOOL IFWL_DateTimePicker::Delete() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Delete();
+}
+FX_BOOL IFWL_DateTimePicker::DeSelect() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->DeSelect();
+}
+FWL_ERR IFWL_DateTimePicker::GetBBox(CFX_RectF& rect) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->GetBBox(rect);
+}
+FWL_ERR IFWL_DateTimePicker::SetEditLimit(int32_t nLimit) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->SetEditLimit(nLimit);
+}
+FWL_ERR IFWL_DateTimePicker::ModifyEditStylesEx(FX_DWORD dwStylesExAdded,
+                                                FX_DWORD dwStylesExRemoved) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->ModifyEditStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+CFWL_DateTimeEdit::CFWL_DateTimeEdit(const CFWL_WidgetImpProperties& properties,
+                                     IFWL_Widget* pOuter)
+    : CFWL_EditImp(properties, pOuter) {}
+FWL_ERR CFWL_DateTimeEdit::Initialize() {
+  m_pDelegate = new CFWL_DateTimeEditImpDelegate(this);
+  if (CFWL_EditImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimeEdit::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_EditImp::Finalize();
+}
+CFWL_DateTimeEditImpDelegate::CFWL_DateTimeEditImpDelegate(
+    CFWL_DateTimeEdit* pOwner)
+    : CFWL_EditImpDelegate(pOwner), m_pOwner(pOwner) {}
+int32_t CFWL_DateTimeEditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_OnProcessMessage(pMessage);
+  }
+  FX_DWORD dwHashCode = pMessage->GetClassID();
+  if (dwHashCode == FWL_MSGHASH_SetFocus ||
+      dwHashCode == FWL_MSGHASH_KillFocus) {
+    IFWL_Widget* pOuter = m_pOwner->GetOuter();
+    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(pMessage);
+  }
+  return 1;
+}
+int32_t CFWL_DateTimeEditImpDelegate::DisForm_OnProcessMessage(
+    CFWL_Message* pMessage) {
+  FX_DWORD dwHashCode = pMessage->GetClassID();
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    if (dwHashCode == FWL_MSGHASH_Mouse) {
+      CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
+      if (pMouse->m_dwCmd == FWL_MSGMOUSECMD_LButtonDown ||
+          pMouse->m_dwCmd == FWL_MSGMOUSECMD_RButtonDown) {
+        if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+          m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+        }
+        CFWL_DateTimePickerImp* pDateTime =
+            static_cast<CFWL_DateTimePickerImp*>(m_pOwner->m_pOuter->GetImpl());
+        if (pDateTime->IsMonthCalendarShowed()) {
+          CFX_RectF rtInvalidate;
+          pDateTime->GetWidgetRect(rtInvalidate);
+          pDateTime->ShowMonthCalendar(FALSE);
+          rtInvalidate.Offset(-rtInvalidate.left, -rtInvalidate.top);
+          pDateTime->Repaint(&rtInvalidate);
+        }
+      }
+    } else if (dwHashCode == FWL_MSGHASH_Key) {
+      return CFWL_EditImpDelegate::OnProcessMessage(pMessage);
+    }
+  }
+  return CFWL_EditImpDelegate::OnProcessMessage(pMessage);
+}
+CFWL_DateTimeCalendar::CFWL_DateTimeCalendar(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_MonthCalendarImp(properties, pOuter) {}
+FWL_ERR CFWL_DateTimeCalendar::Initialize() {
+  if (CFWL_MonthCalendarImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  delete m_pDelegate;
+  m_pDelegate = new CFWL_DateTimeCalendarImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimeCalendar::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_MonthCalendarImp::Finalize();
+}
+CFWL_DateTimeCalendarImpDelegate::CFWL_DateTimeCalendarImpDelegate(
+    CFWL_DateTimeCalendar* pOwner)
+    : CFWL_MonthCalendarImpDelegate(pOwner), m_pOwner(pOwner) {
+  m_bFlag = FALSE;
+}
+int32_t CFWL_DateTimeCalendarImpDelegate::OnProcessMessage(
+    CFWL_Message* pMessage) {
+  FX_DWORD dwCode = pMessage->GetClassID();
+  if (dwCode == FWL_MSGHASH_SetFocus || dwCode == FWL_MSGHASH_KillFocus) {
+    IFWL_Widget* pOuter = m_pOwner->GetOuter();
+    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(NULL);
+    return pDelegate->OnProcessMessage(pMessage);
+  } else if (dwCode == FWL_MSGHASH_Mouse) {
+    CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+    if (pMsg->m_dwCmd == FWL_MSGMOUSECMD_LButtonDown) {
+      OnLButtonDownEx(pMsg);
+      return 1;
+    } else if (pMsg->m_dwCmd == FWL_MSGMOUSECMD_LButtonUp) {
+      OnLButtonUpEx(pMsg);
+      return 1;
+    }
+  }
+  return CFWL_MonthCalendarImpDelegate::OnProcessMessage(pMessage);
+}
+void CFWL_DateTimeCalendarImpDelegate::OnLButtonDownEx(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtLBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iLBtnPartStates = FWL_PARTSTATE_MCD_Pressed;
+    m_pOwner->PrevMonth();
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  } else if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates |= FWL_PARTSTATE_MCD_Pressed;
+    m_pOwner->NextMonth();
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  } else if (m_pOwner->m_rtToday.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if ((m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoToday) ==
+        0) {
+      m_pOwner->JumpToToday();
+      m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    }
+  } else {
+    IFWL_DateTimePicker* pIPicker =
+        static_cast<IFWL_DateTimePicker*>(m_pOwner->m_pOuter);
+    CFWL_DateTimePickerImp* pPicker =
+        static_cast<CFWL_DateTimePickerImp*>(pIPicker->GetImpl());
+    if (pPicker->IsMonthCalendarShowed()) {
+      m_bFlag = 1;
+    }
+  }
+}
+void CFWL_DateTimeCalendarImpDelegate::OnLButtonUpEx(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_OnLButtonUpEx(pMsg);
+  }
+  if (m_pOwner->m_rtLBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iLBtnPartStates = 0;
+    m_pOwner->Repaint(&m_pOwner->m_rtLBtn);
+    return;
+  }
+  if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates = 0;
+    m_pOwner->Repaint(&m_pOwner->m_rtRBtn);
+    return;
+  }
+  if (m_pOwner->m_rtToday.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    return;
+  }
+  int32_t iOldSel = 0;
+  if (m_pOwner->m_arrSelDays.GetSize() > 0) {
+    iOldSel = m_pOwner->m_arrSelDays[0];
+  }
+  int32_t iCurSel = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+  CFX_RectF rt;
+  IFWL_DateTimePicker* pIPicker =
+      static_cast<IFWL_DateTimePicker*>(m_pOwner->m_pOuter);
+  CFWL_DateTimePickerImp* pPicker =
+      static_cast<CFWL_DateTimePickerImp*>(pIPicker->GetImpl());
+  pPicker->m_pForm->GetWidgetRect(rt);
+  rt.Set(0, 0, rt.width, rt.height);
+  if (iCurSel > 0) {
+    FWL_DATEINFO* lpDatesInfo =
+        (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iCurSel - 1);
+    CFX_RectF rtInvalidate(lpDatesInfo->rect);
+    if (iOldSel > 0 && iOldSel <= m_pOwner->m_arrDates.GetSize()) {
+      lpDatesInfo = (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iOldSel - 1);
+      rtInvalidate.Union(lpDatesInfo->rect);
+    }
+    m_pOwner->AddSelDay(iCurSel);
+    if (!m_pOwner->m_pOuter)
+      return;
+    pPicker->ProcessSelChanged(m_pOwner->m_iCurYear, m_pOwner->m_iCurMonth,
+                               iCurSel);
+    pPicker->ShowMonthCalendar(FALSE);
+  } else if (m_bFlag && (!rt.Contains(pMsg->m_fx, pMsg->m_fy))) {
+    IFWL_DateTimePicker* pIPicker =
+        static_cast<IFWL_DateTimePicker*>(m_pOwner->m_pOuter);
+    CFWL_DateTimePickerImp* pPicker =
+        static_cast<CFWL_DateTimePickerImp*>(pIPicker->GetImpl());
+    pPicker->ShowMonthCalendar(FALSE);
+  }
+  m_bFlag = 0;
+}
+void CFWL_DateTimeCalendarImpDelegate::OnMouseMoveEx(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_MultiSelect) {
+    return;
+  }
+  FX_BOOL bRepaint = FALSE;
+  CFX_RectF rtInvalidate;
+  rtInvalidate.Set(0, 0, 0, 0);
+  if (m_pOwner->m_rtDates.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    int32_t iHover = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+    bRepaint = m_pOwner->m_iHovered != iHover;
+    if (bRepaint) {
+      if (m_pOwner->m_iHovered > 0) {
+        m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
+      }
+      if (iHover > 0) {
+        CFX_RectF rtDay;
+        m_pOwner->GetDayRect(iHover, rtDay);
+        if (rtInvalidate.IsEmpty()) {
+          rtInvalidate = rtDay;
+        } else {
+          rtInvalidate.Union(rtDay);
+        }
+      }
+    }
+    m_pOwner->m_iHovered = iHover;
+    CFWL_Event_DtpHoverChanged ev;
+    ev.hoverday = iHover;
+    m_pOwner->DispatchEvent(&ev);
+  } else {
+    bRepaint = m_pOwner->m_iHovered > 0;
+    if (bRepaint) {
+      m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
+    }
+    m_pOwner->m_iHovered = -1;
+  }
+  if (bRepaint && !rtInvalidate.IsEmpty()) {
+    m_pOwner->Repaint(&rtInvalidate);
+  }
+}
+int32_t CFWL_DateTimeCalendarImpDelegate::DisForm_OnProcessMessage(
+    CFWL_Message* pMessage) {
+  if (pMessage->GetClassID() == FWL_MSGHASH_Mouse) {
+    CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+    if (pMsg->m_dwCmd == FWL_MSGMOUSECMD_LButtonUp) {
+      DisForm_OnLButtonUpEx(pMsg);
+      return 1;
+    }
+  }
+  return CFWL_MonthCalendarImpDelegate::OnProcessMessage(pMessage);
+}
+void CFWL_DateTimeCalendarImpDelegate::DisForm_OnLButtonUpEx(
+    CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtLBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iLBtnPartStates = 0;
+    m_pOwner->Repaint(&(m_pOwner->m_rtLBtn));
+    return;
+  }
+  if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates = 0;
+    m_pOwner->Repaint(&(m_pOwner->m_rtRBtn));
+    return;
+  }
+  if (m_pOwner->m_rtToday.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    return;
+  }
+  int32_t iOldSel = 0;
+  if (m_pOwner->m_arrSelDays.GetSize() > 0) {
+    iOldSel = m_pOwner->m_arrSelDays[0];
+  }
+  int32_t iCurSel = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+  if (iCurSel > 0) {
+    FWL_DATEINFO* lpDatesInfo =
+        (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iCurSel - 1);
+    CFX_RectF rtInvalidate(lpDatesInfo->rect);
+    if (iOldSel > 0 && iOldSel <= m_pOwner->m_arrDates.GetSize()) {
+      lpDatesInfo = (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iOldSel - 1);
+      rtInvalidate.Union(lpDatesInfo->rect);
+    }
+    m_pOwner->AddSelDay(iCurSel);
+    CFWL_DateTimePickerImp* pDateTime =
+        static_cast<CFWL_DateTimePickerImp*>(m_pOwner->m_pOuter->GetImpl());
+    pDateTime->ProcessSelChanged(m_pOwner->m_iCurYear, m_pOwner->m_iCurMonth,
+                                 iCurSel);
+    pDateTime->ShowMonthCalendar(FALSE);
+  }
+}
+CFWL_DateTimePickerImp::CFWL_DateTimePickerImp(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_iBtnState(1),
+      m_iYear(-1),
+      m_iMonth(-1),
+      m_iDay(-1),
+      m_bLBtnDown(FALSE),
+      m_pEdit(nullptr),
+      m_pMonthCal(nullptr),
+      m_pForm(nullptr) {
+  m_rtBtn.Set(0, 0, 0, 0);
+}
+CFWL_DateTimePickerImp::~CFWL_DateTimePickerImp() {}
+FWL_ERR CFWL_DateTimePickerImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_DateTimePicker;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_DateTimePickerImp::GetClassID() const {
+  return FWL_CLASSHASH_DateTimePicker;
+}
+FWL_ERR CFWL_DateTimePickerImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_DateTimePickerImpDelegate(this);
+  m_pProperties->m_dwStyleExes = FWL_STYLEEXT_DTP_ShortDateFormat;
+  CFWL_WidgetImpProperties propMonth;
+  propMonth.m_dwStyles = FWL_WGTSTYLE_Popup | FWL_WGTSTYLE_Border;
+  propMonth.m_dwStates = FWL_WGTSTATE_Invisible;
+  propMonth.m_pDataProvider = &m_MonthCalendarDP;
+  propMonth.m_pParent = m_pInterface;
+  propMonth.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pMonthCal.reset(IFWL_DateTimeCalender::Create(propMonth, m_pInterface));
+  m_pMonthCal->Initialize();
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  rtMonthCal.Set(0, 0, rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtMonthCal);
+  CFWL_WidgetImpProperties propEdit;
+  propEdit.m_pParent = m_pInterface;
+  propEdit.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pEdit.reset(IFWL_DateTimeEdit::Create(propEdit, m_pInterface));
+  m_pEdit->Initialize();
+  RegisterEventTarget(m_pMonthCal.get());
+  RegisterEventTarget(m_pEdit.get());
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::Finalize() {
+  if (m_pEdit) {
+    m_pEdit->Finalize();
+  }
+  if (m_pMonthCal) {
+    m_pMonthCal->Finalize();
+  }
+  if (m_pForm) {
+    m_pForm->Finalize();
+  }
+  UnregisterEventTarget();
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_DateTimePickerImp::GetWidgetRect(CFX_RectF& rect,
+                                              FX_BOOL bAutoSize) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_GetWidgetRect(rect, bAutoSize);
+  }
+  if (bAutoSize) {
+    rect.Set(0, 0, FWL_DTP_WIDTH, FWL_DTP_HEIGHT);
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::Update() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_Update();
+  }
+  if (m_iLock) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  m_pEdit->SetThemeProvider(m_pProperties->m_pThemeProvider);
+  GetClientRect(m_rtClient);
+  FX_FLOAT* pFWidth =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+  if (!pFWidth)
+    return FWL_ERR_Indefinite;
+  FX_FLOAT fBtn = *pFWidth;
+  m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top, fBtn - 1,
+              m_rtClient.height - 1);
+  CFX_RectF rtEdit;
+  rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn,
+             m_rtClient.height);
+  m_pEdit->SetWidgetRect(rtEdit);
+  ReSetEditAlignment();
+  m_pEdit->Update();
+  if (!(m_pMonthCal->GetThemeProvider())) {
+    m_pMonthCal->SetThemeProvider(m_pProperties->m_pThemeProvider);
+  }
+  if (m_pProperties->m_pDataProvider) {
+    IFWL_DateTimePickerDP* pData =
+        static_cast<IFWL_DateTimePickerDP*>(m_pProperties->m_pDataProvider);
+    pData->GetToday(m_pInterface, m_MonthCalendarDP.m_iCurYear,
+                    m_MonthCalendarDP.m_iCurMonth, m_MonthCalendarDP.m_iCurDay);
+  }
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  CFX_RectF rtPopUp;
+  rtPopUp.Set(rtMonthCal.left, rtMonthCal.top + FWL_DTP_HEIGHT,
+              rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtPopUp);
+  m_pMonthCal->Update();
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_DateTimePickerImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_HitTest(fx, fy);
+  }
+  if (m_rtClient.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Client;
+  }
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rect;
+    m_pMonthCal->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Client;
+    }
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+FWL_ERR CFWL_DateTimePickerImp::DrawWidget(CFX_Graphics* pGraphics,
+                                           const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_DTP_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_DTP_Edge, pTheme, pMatrix);
+  }
+  if (!m_rtBtn.IsEmpty()) {
+    DrawDropDownButton(pGraphics, pTheme, pMatrix);
+  }
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_DrawWidget(pGraphics, pMatrix);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::SetThemeProvider(IFWL_ThemeProvider* pTP) {
+  m_pProperties->m_pThemeProvider = pTP;
+  m_pMonthCal->SetThemeProvider(pTP);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::GetCurSel(int32_t& iYear,
+                                          int32_t& iMonth,
+                                          int32_t& iDay) {
+  iYear = m_iYear;
+  iMonth = m_iMonth;
+  iDay = m_iDay;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::SetCurSel(int32_t iYear,
+                                          int32_t iMonth,
+                                          int32_t iDay) {
+  if (iYear <= 0 || iYear >= 3000)
+    return FWL_ERR_Indefinite;
+  if (iMonth <= 0 || iMonth >= 13)
+    return FWL_ERR_Indefinite;
+  if (iDay <= 0 || iDay >= 32)
+    return FWL_ERR_Indefinite;
+  m_iYear = iYear;
+  m_iMonth = iMonth;
+  m_iDay = iDay;
+  m_pMonthCal->SetSelect(iYear, iMonth, iDay);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::SetEditText(const CFX_WideString& wsText) {
+  if (!m_pEdit)
+    return FWL_ERR_Indefinite;
+  int32_t iRet = m_pEdit->SetText(wsText);
+  Repaint(&m_rtClient);
+  CFWL_Event_DtpEditChanged ev;
+  ev.m_wsText = wsText;
+  DispatchEvent(&ev);
+  return iRet;
+}
+FWL_ERR CFWL_DateTimePickerImp::GetEditText(CFX_WideString& wsText,
+                                            int32_t nStart,
+                                            int32_t nCount) const {
+  if (m_pEdit) {
+    return m_pEdit->GetText(wsText, nStart, nCount);
+  }
+  return FWL_ERR_Indefinite;
+}
+FX_BOOL CFWL_DateTimePickerImp::CanUndo() {
+  return m_pEdit->CanUndo();
+}
+FX_BOOL CFWL_DateTimePickerImp::CanRedo() {
+  return m_pEdit->CanRedo();
+}
+FX_BOOL CFWL_DateTimePickerImp::Undo() {
+  return m_pEdit->Undo();
+}
+FX_BOOL CFWL_DateTimePickerImp::Redo() {
+  return m_pEdit->Redo();
+}
+FX_BOOL CFWL_DateTimePickerImp::CanCopy() {
+  int32_t nCount = m_pEdit->CountSelRanges();
+  return nCount > 0;
+}
+FX_BOOL CFWL_DateTimePickerImp::CanCut() {
+  if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly) {
+    return FALSE;
+  }
+  int32_t nCount = m_pEdit->CountSelRanges();
+  return nCount > 0;
+}
+FX_BOOL CFWL_DateTimePickerImp::CanSelectAll() {
+  return m_pEdit->GetTextLength() > 0;
+}
+FX_BOOL CFWL_DateTimePickerImp::Copy(CFX_WideString& wsCopy) {
+  return m_pEdit->Copy(wsCopy);
+}
+FX_BOOL CFWL_DateTimePickerImp::Cut(CFX_WideString& wsCut) {
+  return m_pEdit->Cut(wsCut);
+}
+FX_BOOL CFWL_DateTimePickerImp::Paste(const CFX_WideString& wsPaste) {
+  return m_pEdit->Paste(wsPaste);
+}
+FX_BOOL CFWL_DateTimePickerImp::SelectAll() {
+  return m_pEdit->AddSelRange(0) == FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_DateTimePickerImp::Delete() {
+  return m_pEdit->ClearText() == FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_DateTimePickerImp::DeSelect() {
+  return m_pEdit->ClearSelections() == FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::GetBBox(CFX_RectF& rect) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_GetBBox(rect);
+  }
+  rect = m_pProperties->m_rtWidget;
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rtMonth;
+    m_pMonthCal->GetWidgetRect(rtMonth);
+    rtMonth.Offset(m_pProperties->m_rtWidget.left,
+                   m_pProperties->m_rtWidget.top);
+    rect.Union(rtMonth);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::SetEditLimit(int32_t nLimit) {
+  return m_pEdit->SetLimit(nLimit);
+}
+FWL_ERR CFWL_DateTimePickerImp::ModifyEditStylesEx(FX_DWORD dwStylesExAdded,
+                                                   FX_DWORD dwStylesExRemoved) {
+  return m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+void CFWL_DateTimePickerImp::DrawDropDownButton(CFX_Graphics* pGraphics,
+                                                IFWL_ThemeProvider* pTheme,
+                                                const CFX_Matrix* pMatrix) {
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_DTP_Spin) ==
+      FWL_STYLEEXT_DTP_Spin) {
+    CFWL_WidgetImpProperties prop;
+    prop.m_dwStyleExes |= FWL_STYLEEXE_SPB_Vert;
+    prop.m_pParent = m_pInterface;
+    prop.m_rtWidget = m_rtBtn;
+    IFWL_SpinButton* pSpin = IFWL_SpinButton::Create(prop, m_pInterface);
+    pSpin->Initialize();
+  } else {
+    CFWL_ThemeBackground param;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_DTP_DropDownButton;
+    param.m_dwStates = m_iBtnState;
+    param.m_pGraphics = pGraphics;
+    param.m_rtPart = m_rtBtn;
+    if (pMatrix) {
+      param.m_matrix.Concat(*pMatrix);
+    }
+    pTheme->DrawBackground(&param);
+  }
+}
+void CFWL_DateTimePickerImp::FormatDateString(int32_t iYear,
+                                              int32_t iMonth,
+                                              int32_t iDay,
+                                              CFX_WideString& wsText) {
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_DTP_ShortDateFormat) ==
+      FWL_STYLEEXT_DTP_ShortDateFormat) {
+    wsText.Format(L"%d-%d-%d", iYear, iMonth, iDay);
+  } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_DTP_LongDateFormat) ==
+             FWL_STYLEEXT_DTP_LongDateFormat) {
+    wsText.Format(L"%d Year %d Month %d Day", iYear, iMonth, iDay);
+  } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_DTP_TimeFormat) ==
+             FWL_STYLEEXT_DTP_TimeFormat) {
+  }
+}
+void CFWL_DateTimePickerImp::ShowMonthCalendar(FX_BOOL bActivate) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_ShowMonthCalendar(bActivate);
+  }
+  if (IsMonthCalendarShowed() == bActivate) {
+    return;
+  }
+  if (!m_pForm) {
+    InitProxyForm();
+  }
+  if (bActivate) {
+    CFX_RectF rtMonth;
+    m_pMonthCal->GetWidgetRect(rtMonth);
+    CFX_RectF rtAnchor;
+    rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width,
+                 m_pProperties->m_rtWidget.height);
+    GetPopupPos(0, rtMonth.height, rtAnchor, rtMonth);
+    m_pForm->SetWidgetRect(rtMonth);
+    rtMonth.left = rtMonth.top = 0;
+    m_pMonthCal->SetStates(FWL_WGTSTATE_Invisible, !bActivate);
+    m_pMonthCal->SetWidgetRect(rtMonth);
+    m_pMonthCal->Update();
+    m_pForm->DoModal();
+  } else {
+    m_pForm->EndDoModal();
+  }
+}
+FX_BOOL CFWL_DateTimePickerImp::IsMonthCalendarShowed() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_IsMonthCalendarShowed();
+  }
+  if (!m_pForm)
+    return FALSE;
+  return !(m_pForm->GetStates() & FWL_WGTSTATE_Invisible);
+}
+void CFWL_DateTimePickerImp::ReSetEditAlignment() {
+  if (!m_pEdit)
+    return;
+  FX_DWORD dwStylExes = m_pProperties->m_dwStyleExes;
+  FX_DWORD dwAdd = 0;
+  switch (dwStylExes & FWL_STYLEEXT_DTP_EditHAlignMask) {
+    case FWL_STYLEEXT_DTP_EditHCenter: {
+      dwAdd |= FWL_STYLEEXT_EDT_HCenter;
+      break;
+    }
+    case FWL_STYLEEXT_DTP_EditHFar: {
+      dwAdd |= FWL_STYLEEXT_EDT_HFar;
+      break;
+    }
+    default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; }
+  }
+  switch (dwStylExes & FWL_STYLEEXT_DTP_EditVAlignMask) {
+    case FWL_STYLEEXT_DTP_EditVCenter: {
+      dwAdd |= FWL_STYLEEXT_EDT_VCenter;
+      break;
+    }
+    case FWL_STYLEEXT_DTP_EditVFar: {
+      dwAdd |= FWL_STYLEEXT_EDT_VFar;
+      break;
+    }
+    default: { dwAdd |= FWL_STYLEEXT_EDT_VNear; }
+  }
+  if (dwStylExes & FWL_STYLEEXT_DTP_EditJustified) {
+    dwAdd |= FWL_STYLEEXT_EDT_Justified;
+  }
+  if (dwStylExes & FWL_STYLEEXT_DTP_EditDistributed) {
+    dwAdd |= FWL_STYLEEXT_EDT_Distributed;
+  }
+  m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask |
+                                     FWL_STYLEEXT_EDT_HAlignModeMask |
+                                     FWL_STYLEEXT_EDT_VAlignMask);
+}
+void CFWL_DateTimePickerImp::ProcessSelChanged(int32_t iYear,
+                                               int32_t iMonth,
+                                               int32_t iDay) {
+  m_iYear = iYear;
+  m_iMonth = iMonth;
+  m_iDay = iDay;
+  CFX_WideString wsText;
+  FormatDateString(m_iYear, m_iMonth, m_iDay, wsText);
+  m_pEdit->SetText(wsText);
+  m_pEdit->Update();
+  Repaint(&m_rtClient);
+  CFWL_Event_DtpSelectChanged ev;
+  ev.m_pSrcTarget = m_pInterface;
+  ev.iYear = m_iYear;
+  ev.iMonth = m_iMonth;
+  ev.iDay = m_iDay;
+  DispatchEvent(&ev);
+}
+void CFWL_DateTimePickerImp::InitProxyForm() {
+  if (m_pForm)
+    return;
+  if (!m_pMonthCal)
+    return;
+  CFWL_WidgetImpProperties propForm;
+  propForm.m_dwStyles = FWL_WGTSTYLE_Popup;
+  propForm.m_dwStates = FWL_WGTSTATE_Invisible;
+  propForm.m_pOwner = m_pInterface;
+  m_pForm.reset(IFWL_DateTimeForm::Create(propForm, m_pMonthCal.get()));
+  m_pForm->Initialize();
+  m_pMonthCal->SetParent(m_pForm.get());
+}
+IFWL_DateTimeEdit* CFWL_DateTimePickerImp::GetDataTimeEdit() {
+  return m_pEdit.get();
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_Initialize() {
+  m_pProperties->m_dwStyleExes = FWL_STYLEEXT_DTP_ShortDateFormat;
+  DisForm_InitDateTimeCalendar();
+  DisForm_InitDateTimeEdit();
+  RegisterEventTarget(m_pMonthCal.get());
+  RegisterEventTarget(m_pEdit.get());
+  return FWL_ERR_Succeeded;
+}
+void CFWL_DateTimePickerImp::DisForm_InitDateTimeCalendar() {
+  if (m_pMonthCal) {
+    return;
+  }
+  CFWL_WidgetImpProperties propMonth;
+  propMonth.m_dwStyles =
+      FWL_WGTSTYLE_Popup | FWL_WGTSTYLE_Border | FWL_WGTSTYLE_EdgeSunken;
+  propMonth.m_dwStates = FWL_WGTSTATE_Invisible;
+  propMonth.m_pParent = m_pInterface;
+  propMonth.m_pDataProvider = &m_MonthCalendarDP;
+  propMonth.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pMonthCal.reset(IFWL_DateTimeCalender::Create(propMonth, m_pInterface));
+  m_pMonthCal->Initialize();
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  rtMonthCal.Set(0, 0, rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtMonthCal);
+}
+void CFWL_DateTimePickerImp::DisForm_InitDateTimeEdit() {
+  if (m_pEdit) {
+    return;
+  }
+  CFWL_WidgetImpProperties propEdit;
+  propEdit.m_pParent = m_pInterface;
+  propEdit.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pEdit.reset(IFWL_DateTimeEdit::Create(propEdit, m_pInterface));
+  m_pEdit->Initialize();
+}
+FX_BOOL CFWL_DateTimePickerImp::DisForm_IsMonthCalendarShowed() {
+  if (!m_pMonthCal)
+    return FALSE;
+  return !(m_pMonthCal->GetStates() & FWL_WGTSTATE_Invisible);
+}
+void CFWL_DateTimePickerImp::DisForm_ShowMonthCalendar(FX_BOOL bActivate) {
+  FX_BOOL bShowed = IsMonthCalendarShowed();
+  if (bShowed == bActivate) {
+    return;
+  }
+  if (bActivate) {
+    CFX_RectF rtMonthCal;
+    m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+    FX_FLOAT fPopupMin = rtMonthCal.height;
+    FX_FLOAT fPopupMax = rtMonthCal.height;
+    CFX_RectF rtAnchor(m_pProperties->m_rtWidget);
+    rtAnchor.width = rtMonthCal.width;
+    rtMonthCal.left = m_rtClient.left;
+    rtMonthCal.top = rtAnchor.Height();
+    GetPopupPos(fPopupMin, fPopupMax, rtAnchor, rtMonthCal);
+    m_pMonthCal->SetWidgetRect(rtMonthCal);
+    if (m_iYear > 0 && m_iMonth > 0 && m_iDay > 0) {
+      m_pMonthCal->SetSelect(m_iYear, m_iMonth, m_iDay);
+    }
+    m_pMonthCal->Update();
+  }
+  m_pMonthCal->SetStates(FWL_WGTSTATE_Invisible, !bActivate);
+  if (bActivate) {
+    CFWL_MsgSetFocus msg;
+    msg.m_pDstTarget = m_pMonthCal.get();
+    msg.m_pSrcTarget = m_pEdit.get();
+    IFWL_WidgetDelegate* pDelegate = m_pEdit->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(&msg);
+  }
+  CFX_RectF rtInvalidate, rtCal;
+  rtInvalidate.Set(0, 0, m_pProperties->m_rtWidget.width,
+                   m_pProperties->m_rtWidget.height);
+  m_pMonthCal->GetWidgetRect(rtCal);
+  rtInvalidate.Union(rtCal);
+  rtInvalidate.Inflate(2, 2);
+  Repaint(&rtInvalidate);
+}
+FX_DWORD CFWL_DateTimePickerImp::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  CFX_RectF rect;
+  rect.Set(0, 0, m_pProperties->m_rtWidget.width,
+           m_pProperties->m_rtWidget.height);
+  if (rect.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Edit;
+  }
+  if (DisForm_IsNeedShowButton()) {
+    rect.width += m_fBtn;
+  }
+  if (rect.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Client;
+  }
+  if (IsMonthCalendarShowed()) {
+    m_pMonthCal->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Client;
+    }
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+FX_BOOL CFWL_DateTimePickerImp::DisForm_IsNeedShowButton() {
+  FX_BOOL bFocus = m_pProperties->m_dwStates & FWL_WGTSTATE_Focused ||
+                   m_pMonthCal->GetStates() & FWL_WGTSTATE_Focused ||
+                   m_pEdit->GetStates() & FWL_WGTSTATE_Focused;
+  return bFocus;
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_Update() {
+  if (m_iLock) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  m_pEdit->SetThemeProvider(m_pProperties->m_pThemeProvider);
+  GetClientRect(m_rtClient);
+  m_pEdit->SetWidgetRect(m_rtClient);
+  ReSetEditAlignment();
+  m_pEdit->Update();
+  if (m_pMonthCal->GetThemeProvider() == NULL) {
+    m_pMonthCal->SetThemeProvider(m_pProperties->m_pThemeProvider);
+  }
+  if (m_pProperties->m_pDataProvider) {
+    IFWL_DateTimePickerDP* pData =
+        static_cast<IFWL_DateTimePickerDP*>(m_pProperties->m_pDataProvider);
+    pData->GetToday(m_pInterface, m_MonthCalendarDP.m_iCurYear,
+                    m_MonthCalendarDP.m_iCurMonth, m_MonthCalendarDP.m_iCurDay);
+  }
+  FX_FLOAT* pWidth =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+  if (!pWidth)
+    return 0;
+  m_fBtn = *pWidth;
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  CFX_RectF rtPopUp;
+  rtPopUp.Set(rtMonthCal.left, rtMonthCal.top + FWL_DTP_HEIGHT,
+              rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtPopUp);
+  m_pMonthCal->Update();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_GetWidgetRect(CFX_RectF& rect,
+                                                      FX_BOOL bAutoSize) {
+  rect = m_pProperties->m_rtWidget;
+  if (DisForm_IsNeedShowButton()) {
+    rect.width += m_fBtn;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_GetBBox(CFX_RectF& rect) {
+  rect = m_pProperties->m_rtWidget;
+  if (DisForm_IsNeedShowButton()) {
+    rect.width += m_fBtn;
+  }
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rtMonth;
+    m_pMonthCal->GetWidgetRect(rtMonth);
+    rtMonth.Offset(m_pProperties->m_rtWidget.left,
+                   m_pProperties->m_rtWidget.top);
+    rect.Union(rtMonth);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_DrawWidget(CFX_Graphics* pGraphics,
+                                                   const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (m_pEdit) {
+    CFX_RectF rtEdit;
+    m_pEdit->GetWidgetRect(rtEdit);
+    CFX_Matrix mt;
+    mt.Set(1, 0, 0, 1, rtEdit.left, rtEdit.top);
+    if (pMatrix) {
+      mt.Concat(*pMatrix);
+    }
+    m_pEdit->DrawWidget(pGraphics, &mt);
+  }
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rtMonth;
+    m_pMonthCal->GetWidgetRect(rtMonth);
+    CFX_Matrix mt;
+    mt.Set(1, 0, 0, 1, rtMonth.left, rtMonth.top);
+    if (pMatrix) {
+      mt.Concat(*pMatrix);
+    }
+    m_pMonthCal->DrawWidget(pGraphics, &mt);
+  }
+  return FWL_ERR_Succeeded;
+}
+CFWL_DateTimePickerImpDelegate::CFWL_DateTimePickerImpDelegate(
+    CFWL_DateTimePickerImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_DateTimePickerImpDelegate::OnProcessMessage(
+    CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMouse->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseLeave: {
+          OnMouseLeave(pMouse);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    default:
+      break;
+  }
+  if (dwMsgCode == FWL_MSGHASH_Key &&
+      m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
+    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+    return pDelegate->OnProcessMessage(pMessage);
+  }
+  return CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+}
+FWL_ERR CFWL_DateTimePickerImpDelegate::OnDrawWidget(
+    CFX_Graphics* pGraphics,
+    const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_DateTimePickerImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
+                                                    FX_BOOL bSet) {
+  if (!pMsg)
+    return;
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_OnFocusChanged(pMsg, bSet);
+  }
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= (FWL_WGTSTATE_Focused);
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused);
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  }
+  if (pMsg->m_pSrcTarget == m_pOwner->m_pMonthCal.get() &&
+      m_pOwner->IsMonthCalendarShowed()) {
+    m_pOwner->ShowMonthCalendar(FALSE);
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_DateTimePickerImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+    m_pOwner->SetFocus(TRUE);
+  }
+  if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if (m_pOwner->IsMonthCalendarShowed()) {
+      m_pOwner->ShowMonthCalendar(FALSE);
+      CFWL_Event_DtpCloseUp ev;
+      m_pOwner->DispatchEvent(&ev);
+    } else {
+      if (!(m_pOwner->m_pProperties->m_dwStyleExes &
+            FWL_STYLEEXT_DTP_TimeFormat)) {
+        m_pOwner->ShowMonthCalendar(TRUE);
+        CFWL_Event_DtpDropDown ev;
+        m_pOwner->DispatchEvent(&ev);
+      } else {
+      }
+      m_pOwner->m_bLBtnDown = TRUE;
+      m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    }
+  }
+}
+void CFWL_DateTimePickerImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  m_pOwner->m_bLBtnDown = FALSE;
+  if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_DTP_Hovered;
+  } else {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_DTP_Normal;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+}
+void CFWL_DateTimePickerImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+  } else {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_DTP_Normal;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+}
+void CFWL_DateTimePickerImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  m_pOwner->m_iBtnState = FWL_PARTSTATE_DTP_Normal;
+  m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+}
+void CFWL_DateTimePickerImpDelegate::DisForm_OnFocusChanged(CFWL_Message* pMsg,
+                                                            FX_BOOL bSet) {
+  CFX_RectF rtInvalidate(m_pOwner->m_rtBtn);
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+    if (m_pOwner->m_pEdit &&
+        !(m_pOwner->m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly)) {
+      m_pOwner->m_rtBtn.Set(m_pOwner->m_pProperties->m_rtWidget.width, 0,
+                            m_pOwner->m_fBtn,
+                            m_pOwner->m_pProperties->m_rtWidget.height - 1);
+    }
+    rtInvalidate = m_pOwner->m_rtBtn;
+    pMsg->m_pDstTarget = m_pOwner->m_pEdit.get();
+    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(pMsg);
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+    m_pOwner->m_rtBtn.Set(0, 0, 0, 0);
+    if (m_pOwner->DisForm_IsMonthCalendarShowed()) {
+      m_pOwner->ShowMonthCalendar(FALSE);
+    }
+    if (m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
+      pMsg->m_pSrcTarget = m_pOwner->m_pEdit.get();
+      IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+      pDelegate->OnProcessMessage(pMsg);
+    }
+  }
+  rtInvalidate.Inflate(2, 2);
+  m_pOwner->Repaint(&rtInvalidate);
+}