Merge the CFWL_*Imp classes into the IFWL_* classes.

This Cl merges the implementation classes up into the IFWL classes as the
intermediate classes were just acting as proxies.

Review-Url: https://chromiumcodereview.appspot.com/2432423002

1 files changed, 873 insertions, 0 deletions

diff --git a/xfa/fwl/core/ifwl_datetimepicker.cpp b/xfa/fwl/core/ifwl_datetimepicker.cpp
new file mode 100644
index 0000000000..ce5f28bf08
--- /dev/null
+++ b/xfa/fwl/core/ifwl_datetimepicker.cpp
@@ -0,0 +1,873 @@
+// 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/core/ifwl_datetimepicker.h"
+
+#include "xfa/fwl/core/cfwl_message.h"
+#include "xfa/fwl/core/cfwl_themebackground.h"
+#include "xfa/fwl/core/cfwl_widgetmgr.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/ifwl_datetimecalendar.h"
+#include "xfa/fwl/core/ifwl_datetimeedit.h"
+#include "xfa/fwl/core/ifwl_formproxy.h"
+#include "xfa/fwl/core/ifwl_spinbutton.h"
+#include "xfa/fwl/core/ifwl_themeprovider.h"
+
+namespace {
+
+const int kDateTimePickerWidth = 100;
+const int kDateTimePickerHeight = 20;
+
+}  // namespace
+
+// static
+IFWL_DateTimePicker* IFWL_DateTimePicker::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  return new IFWL_DateTimePicker(properties, pOuter);
+}
+
+IFWL_DateTimePicker::IFWL_DateTimePicker(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : IFWL_Widget(properties, pOuter),
+      m_iBtnState(1),
+      m_iYear(-1),
+      m_iMonth(-1),
+      m_iDay(-1),
+      m_bLBtnDown(FALSE) {
+  m_rtBtn.Set(0, 0, 0, 0);
+}
+
+IFWL_DateTimePicker::~IFWL_DateTimePicker() {}
+
+FWL_Error IFWL_DateTimePicker::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_DateTimePicker;
+  return FWL_Error::Succeeded;
+}
+
+FWL_Type IFWL_DateTimePicker::GetClassID() const {
+  return FWL_Type::DateTimePicker;
+}
+
+FWL_Error IFWL_DateTimePicker::Initialize() {
+  if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
+    return FWL_Error::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 = this;
+  propMonth.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pMonthCal.reset(IFWL_DateTimeCalendar::Create(propMonth, this));
+  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 = this;
+  propEdit.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pEdit.reset(IFWL_DateTimeEdit::Create(propEdit, this));
+  m_pEdit->Initialize();
+  RegisterEventTarget(m_pMonthCal.get());
+  RegisterEventTarget(m_pEdit.get());
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::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 IFWL_Widget::Finalize();
+}
+
+FWL_Error IFWL_DateTimePicker::GetWidgetRect(CFX_RectF& rect,
+                                             FX_BOOL bAutoSize) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_GetWidgetRect(rect, bAutoSize);
+  }
+  if (bAutoSize) {
+    rect.Set(0, 0, kDateTimePickerWidth, kDateTimePickerHeight);
+    IFWL_Widget::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::Update() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_Update();
+  }
+  if (m_iLock) {
+    return FWL_Error::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(CFWL_WidgetCapacity::ScrollBarWidth));
+  if (!pFWidth)
+    return FWL_Error::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(this, 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 + kDateTimePickerHeight,
+              rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtPopUp);
+  m_pMonthCal->Update();
+  return FWL_Error::Succeeded;
+}
+
+int32_t IFWL_DateTimePicker::CountSelRanges() {
+  return GetDataTimeEdit()->CountSelRanges();
+}
+
+int32_t IFWL_DateTimePicker::GetSelRange(int32_t nIndex, int32_t& nStart) {
+  return GetDataTimeEdit()->GetSelRange(nIndex, nStart);
+}
+
+FWL_WidgetHit IFWL_DateTimePicker::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_pWidgetMgr->IsFormDisabled())
+    return DisForm_HitTest(fx, fy);
+  if (m_rtClient.Contains(fx, fy))
+    return FWL_WidgetHit::Client;
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rect;
+    m_pMonthCal->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy))
+      return FWL_WidgetHit::Client;
+  }
+  return FWL_WidgetHit::Unknown;
+}
+
+FWL_Error IFWL_DateTimePicker::DrawWidget(CFX_Graphics* pGraphics,
+                                          const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_Error::Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_Error::Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
+  }
+  if (!m_rtBtn.IsEmpty()) {
+    DrawDropDownButton(pGraphics, pTheme, pMatrix);
+  }
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_DrawWidget(pGraphics, pMatrix);
+  }
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::SetThemeProvider(IFWL_ThemeProvider* pTP) {
+  m_pProperties->m_pThemeProvider = pTP;
+  m_pMonthCal->SetThemeProvider(pTP);
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::GetCurSel(int32_t& iYear,
+                                         int32_t& iMonth,
+                                         int32_t& iDay) {
+  iYear = m_iYear;
+  iMonth = m_iMonth;
+  iDay = m_iDay;
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::SetCurSel(int32_t iYear,
+                                         int32_t iMonth,
+                                         int32_t iDay) {
+  if (iYear <= 0 || iYear >= 3000)
+    return FWL_Error::Indefinite;
+  if (iMonth <= 0 || iMonth >= 13)
+    return FWL_Error::Indefinite;
+  if (iDay <= 0 || iDay >= 32)
+    return FWL_Error::Indefinite;
+  m_iYear = iYear;
+  m_iMonth = iMonth;
+  m_iDay = iDay;
+  m_pMonthCal->SetSelect(iYear, iMonth, iDay);
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::SetEditText(const CFX_WideString& wsText) {
+  if (!m_pEdit)
+    return FWL_Error::Indefinite;
+
+  FWL_Error iRet = m_pEdit->SetText(wsText);
+  Repaint(&m_rtClient);
+  CFWL_Event_DtpEditChanged ev;
+  ev.m_wsText = wsText;
+  DispatchEvent(&ev);
+  return iRet;
+}
+
+FWL_Error IFWL_DateTimePicker::GetEditText(CFX_WideString& wsText,
+                                           int32_t nStart,
+                                           int32_t nCount) const {
+  if (m_pEdit) {
+    return m_pEdit->GetText(wsText, nStart, nCount);
+  }
+  return FWL_Error::Indefinite;
+}
+
+FX_BOOL IFWL_DateTimePicker::CanUndo() {
+  return m_pEdit->CanUndo();
+}
+
+FX_BOOL IFWL_DateTimePicker::CanRedo() {
+  return m_pEdit->CanRedo();
+}
+
+FX_BOOL IFWL_DateTimePicker::Undo() {
+  return m_pEdit->Undo();
+}
+
+FX_BOOL IFWL_DateTimePicker::Redo() {
+  return m_pEdit->Redo();
+}
+
+FX_BOOL IFWL_DateTimePicker::CanCopy() {
+  int32_t nCount = m_pEdit->CountSelRanges();
+  return nCount > 0;
+}
+
+FX_BOOL IFWL_DateTimePicker::CanCut() {
+  if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly) {
+    return FALSE;
+  }
+  int32_t nCount = m_pEdit->CountSelRanges();
+  return nCount > 0;
+}
+
+FX_BOOL IFWL_DateTimePicker::CanSelectAll() {
+  return m_pEdit->GetTextLength() > 0;
+}
+
+FX_BOOL IFWL_DateTimePicker::Copy(CFX_WideString& wsCopy) {
+  return m_pEdit->Copy(wsCopy);
+}
+
+FX_BOOL IFWL_DateTimePicker::Cut(CFX_WideString& wsCut) {
+  return m_pEdit->Cut(wsCut);
+}
+
+FX_BOOL IFWL_DateTimePicker::Paste(const CFX_WideString& wsPaste) {
+  return m_pEdit->Paste(wsPaste);
+}
+
+FX_BOOL IFWL_DateTimePicker::SelectAll() {
+  return m_pEdit->AddSelRange(0) == FWL_Error::Succeeded;
+}
+
+FX_BOOL IFWL_DateTimePicker::Delete() {
+  return m_pEdit->ClearText() == FWL_Error::Succeeded;
+}
+
+FX_BOOL IFWL_DateTimePicker::DeSelect() {
+  return m_pEdit->ClearSelections() == FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::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_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::SetEditLimit(int32_t nLimit) {
+  return m_pEdit->SetLimit(nLimit);
+}
+
+FWL_Error IFWL_DateTimePicker::ModifyEditStylesEx(uint32_t dwStylesExAdded,
+                                                  uint32_t dwStylesExRemoved) {
+  return m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+
+void IFWL_DateTimePicker::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 = this;
+    prop.m_rtWidget = m_rtBtn;
+    IFWL_SpinButton* pSpin = IFWL_SpinButton::Create(prop, this);
+    pSpin->Initialize();
+  } else {
+    CFWL_ThemeBackground param;
+    param.m_pWidget = this;
+    param.m_iPart = CFWL_Part::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 IFWL_DateTimePicker::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 IFWL_DateTimePicker::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 IFWL_DateTimePicker::IsMonthCalendarShowed() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_IsMonthCalendarShowed();
+  }
+  if (!m_pForm)
+    return FALSE;
+  return !(m_pForm->GetStates() & FWL_WGTSTATE_Invisible);
+}
+
+void IFWL_DateTimePicker::ReSetEditAlignment() {
+  if (!m_pEdit)
+    return;
+  uint32_t dwStylExes = m_pProperties->m_dwStyleExes;
+  uint32_t 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 IFWL_DateTimePicker::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 = this;
+  ev.iYear = m_iYear;
+  ev.iMonth = m_iMonth;
+  ev.iDay = m_iDay;
+  DispatchEvent(&ev);
+}
+
+void IFWL_DateTimePicker::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 = this;
+  m_pForm.reset(IFWL_FormProxy::Create(propForm, m_pMonthCal.get()));
+  m_pForm->Initialize();
+  m_pMonthCal->SetParent(m_pForm.get());
+}
+
+IFWL_DateTimeEdit* IFWL_DateTimePicker::GetDataTimeEdit() {
+  return m_pEdit.get();
+}
+
+FWL_Error IFWL_DateTimePicker::DisForm_Initialize() {
+  m_pProperties->m_dwStyleExes = FWL_STYLEEXT_DTP_ShortDateFormat;
+  DisForm_InitDateTimeCalendar();
+  DisForm_InitDateTimeEdit();
+  RegisterEventTarget(m_pMonthCal.get());
+  RegisterEventTarget(m_pEdit.get());
+  return FWL_Error::Succeeded;
+}
+
+void IFWL_DateTimePicker::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 = this;
+  propMonth.m_pDataProvider = &m_MonthCalendarDP;
+  propMonth.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pMonthCal.reset(IFWL_DateTimeCalendar::Create(propMonth, this));
+  m_pMonthCal->Initialize();
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  rtMonthCal.Set(0, 0, rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtMonthCal);
+}
+
+void IFWL_DateTimePicker::DisForm_InitDateTimeEdit() {
+  if (m_pEdit) {
+    return;
+  }
+  CFWL_WidgetImpProperties propEdit;
+  propEdit.m_pParent = this;
+  propEdit.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pEdit.reset(IFWL_DateTimeEdit::Create(propEdit, this));
+  m_pEdit->Initialize();
+}
+
+FX_BOOL IFWL_DateTimePicker::DisForm_IsMonthCalendarShowed() {
+  if (!m_pMonthCal)
+    return FALSE;
+  return !(m_pMonthCal->GetStates() & FWL_WGTSTATE_Invisible);
+}
+
+void IFWL_DateTimePicker::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(nullptr);
+    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);
+}
+
+FWL_WidgetHit IFWL_DateTimePicker::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_WidgetHit::Edit;
+  if (DisForm_IsNeedShowButton())
+    rect.width += m_fBtn;
+  if (rect.Contains(fx, fy))
+    return FWL_WidgetHit::Client;
+  if (IsMonthCalendarShowed()) {
+    m_pMonthCal->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy))
+      return FWL_WidgetHit::Client;
+  }
+  return FWL_WidgetHit::Unknown;
+}
+
+FX_BOOL IFWL_DateTimePicker::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_Error IFWL_DateTimePicker::DisForm_Update() {
+  if (m_iLock)
+    return FWL_Error::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())
+    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(this, m_MonthCalendarDP.m_iCurYear,
+                    m_MonthCalendarDP.m_iCurMonth, m_MonthCalendarDP.m_iCurDay);
+  }
+  FX_FLOAT* pWidth = static_cast<FX_FLOAT*>(
+      GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
+  if (!pWidth)
+    return FWL_Error::Succeeded;
+
+  m_fBtn = *pWidth;
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  CFX_RectF rtPopUp;
+  rtPopUp.Set(rtMonthCal.left, rtMonthCal.top + kDateTimePickerHeight,
+              rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtPopUp);
+  m_pMonthCal->Update();
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::DisForm_GetWidgetRect(CFX_RectF& rect,
+                                                     FX_BOOL bAutoSize) {
+  rect = m_pProperties->m_rtWidget;
+  if (DisForm_IsNeedShowButton()) {
+    rect.width += m_fBtn;
+  }
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::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_Error::Succeeded;
+}
+
+FWL_Error IFWL_DateTimePicker::DisForm_DrawWidget(CFX_Graphics* pGraphics,
+                                                  const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_Error::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_Error::Succeeded;
+}
+
+CFWL_DateTimePickerImpDelegate::CFWL_DateTimePickerImpDelegate(
+    IFWL_DateTimePicker* pOwner)
+    : m_pOwner(pOwner) {}
+
+void CFWL_DateTimePickerImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return;
+
+  switch (pMessage->GetClassID()) {
+    case CFWL_MessageType::SetFocus: {
+      OnFocusChanged(pMessage, TRUE);
+      break;
+    }
+    case CFWL_MessageType::KillFocus: {
+      OnFocusChanged(pMessage, FALSE);
+      break;
+    }
+    case CFWL_MessageType::Mouse: {
+      CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
+      switch (pMouse->m_dwCmd) {
+        case FWL_MouseCommand::LeftButtonDown: {
+          OnLButtonDown(pMouse);
+          break;
+        }
+        case FWL_MouseCommand::LeftButtonUp: {
+          OnLButtonUp(pMouse);
+          break;
+        }
+        case FWL_MouseCommand::Move: {
+          OnMouseMove(pMouse);
+          break;
+        }
+        case FWL_MouseCommand::Leave: {
+          OnMouseLeave(pMouse);
+          break;
+        }
+        default:
+          break;
+      }
+      break;
+    }
+    case CFWL_MessageType::Key: {
+      if (m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
+        IFWL_WidgetDelegate* pDelegate =
+            m_pOwner->m_pEdit->SetDelegate(nullptr);
+        pDelegate->OnProcessMessage(pMessage);
+        return;
+      }
+      break;
+    }
+    default:
+      break;
+  }
+
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+}
+
+void CFWL_DateTimePickerImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                  const CFX_Matrix* pMatrix) {
+  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 = CFWL_PartState_Hovered;
+  } else {
+    m_pOwner->m_iBtnState = CFWL_PartState_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 = CFWL_PartState_Normal;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+}
+
+void CFWL_DateTimePickerImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  m_pOwner->m_iBtnState = CFWL_PartState_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(nullptr);
+    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(nullptr);
+      pDelegate->OnProcessMessage(pMsg);
+    }
+  }
+  rtInvalidate.Inflate(2, 2);
+  m_pOwner->Repaint(&rtInvalidate);
+}
+
+IFWL_DateTimePicker::CFWL_MonthCalendarImpDP::CFWL_MonthCalendarImpDP() {
+  m_iCurYear = 2010;
+  m_iCurMonth = 3;
+  m_iCurDay = 29;
+}
+
+FWL_Error IFWL_DateTimePicker::CFWL_MonthCalendarImpDP::GetCaption(
+    IFWL_Widget* pWidget,
+    CFX_WideString& wsCaption) {
+  return FWL_Error::Succeeded;
+}
+
+int32_t IFWL_DateTimePicker::CFWL_MonthCalendarImpDP::GetCurDay(
+    IFWL_Widget* pWidget) {
+  return m_iCurDay;
+}
+
+int32_t IFWL_DateTimePicker::CFWL_MonthCalendarImpDP::GetCurMonth(
+    IFWL_Widget* pWidget) {
+  return m_iCurMonth;
+}
+
+int32_t IFWL_DateTimePicker::CFWL_MonthCalendarImpDP::GetCurYear(
+    IFWL_Widget* pWidget) {
+  return m_iCurYear;
+}