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, 1098 insertions, 0 deletions

diff --git a/xfa/fwl/basewidget/fwl_monthcalendarimp.cpp b/xfa/fwl/basewidget/fwl_monthcalendarimp.cpp
new file mode 100644
index 0000000000..e6dad35481
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_monthcalendarimp.cpp
@@ -0,0 +1,1098 @@
+// 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_monthcalendarimp.h"
+
+#include <algorithm>
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_monthcalendar.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+#define MONTHCAL_HSEP_HEIGHT 1
+#define MONTHCAL_VSEP_WIDTH 1
+#define MONTHCAL_HMARGIN 3
+#define MONTHCAL_VMARGIN 2
+#define MONTHCAL_ROWS 9
+#define MONTHCAL_COLUMNS 7
+#define MONTHCAL_HEADER_BTN_VMARGIN 7
+#define MONTHCAL_HEADER_BTN_HMARGIN 5
+
+// static
+IFWL_MonthCalendar* IFWL_MonthCalendar::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_MonthCalendar* pMonthCalendar = new IFWL_MonthCalendar;
+  CFWL_MonthCalendarImp* pMonthCalendarImpl =
+      new CFWL_MonthCalendarImp(properties, pOuter);
+  pMonthCalendar->SetImpl(pMonthCalendarImpl);
+  pMonthCalendarImpl->SetInterface(pMonthCalendar);
+  return pMonthCalendar;
+}
+IFWL_MonthCalendar::IFWL_MonthCalendar() {}
+int32_t IFWL_MonthCalendar::CountSelect() {
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())->CountSelect();
+}
+FX_BOOL IFWL_MonthCalendar::GetSelect(int32_t& iYear,
+                                      int32_t& iMonth,
+                                      int32_t& iDay,
+                                      int32_t nIndex) {
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())
+      ->GetSelect(iYear, iMonth, iDay, nIndex);
+}
+FX_BOOL IFWL_MonthCalendar::SetSelect(int32_t iYear,
+                                      int32_t iMonth,
+                                      int32_t iDay) {
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())
+      ->SetSelect(iYear, iMonth, iDay);
+}
+
+CFWL_MonthCalendarImp::CFWL_MonthCalendarImp(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_iCurYear(2011),
+      m_iCurMonth(1),
+      m_iYear(2011),
+      m_iMonth(1),
+      m_iDay(1),
+      m_iHovered(-1),
+      m_iLBtnPartStates(FWL_PARTSTATE_MCD_Normal),
+      m_iRBtnPartStates(FWL_PARTSTATE_MCD_Normal) {
+  m_rtHead.Reset();
+  m_rtWeek.Reset();
+  m_rtLBtn.Reset();
+  m_rtRBtn.Reset();
+  m_rtDates.Reset();
+  m_rtHSep.Reset();
+  m_rtHeadText.Reset();
+  m_rtToday.Reset();
+  m_rtTodayFlag.Reset();
+  m_rtClient.Reset();
+  m_rtWeekNum.Reset();
+  m_rtWeekNumSep.Reset();
+  m_pDateTime = new CFX_DateTime;
+  m_bInit = FALSE;
+  m_iMaxSel = 1;
+}
+CFWL_MonthCalendarImp::~CFWL_MonthCalendarImp() {
+  ClearDateItem();
+  delete m_pDateTime;
+  m_arrSelDays.RemoveAll();
+}
+FWL_ERR CFWL_MonthCalendarImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_MonthCalendar;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_MonthCalendarImp::GetClassID() const {
+  return FWL_CLASSHASH_MonthCalendar;
+}
+FWL_ERR CFWL_MonthCalendarImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_MonthCalendarImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_MonthCalendarImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_MonthCalendarImp::GetWidgetRect(CFX_RectF& rect,
+                                             FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    CFX_SizeF fs = CalcSize(TRUE);
+    rect.Set(0, 0, fs.x, fs.y);
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_MonthCalendarImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  GetCapValue();
+  if (!m_bInit) {
+    m_bInit = InitDate();
+  }
+  ClearDateItem();
+  ReSetDateItem();
+  LayOut();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_MonthCalendarImp::DrawWidget(CFX_Graphics* pGraphics,
+                                          const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (m_pProperties->m_pThemeProvider == NULL) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_MCD_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_MCD_Edge, pTheme, pMatrix);
+  }
+  DrawBkground(pGraphics, pTheme, pMatrix);
+  DrawHeadBK(pGraphics, pTheme, pMatrix);
+  DrawLButton(pGraphics, pTheme, pMatrix);
+  DrawRButton(pGraphics, pTheme, pMatrix);
+  DrawSeperator(pGraphics, pTheme, pMatrix);
+  DrawDatesInBK(pGraphics, pTheme, pMatrix);
+  DrawDatesInCircle(pGraphics, pTheme, pMatrix);
+  DrawCaption(pGraphics, pTheme, pMatrix);
+  DrawWeek(pGraphics, pTheme, pMatrix);
+  DrawDatesIn(pGraphics, pTheme, pMatrix);
+  DrawDatesOut(pGraphics, pTheme, pMatrix);
+  DrawToday(pGraphics, pTheme, pMatrix);
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_WeekNumbers) {
+    DrawWeekNumberSep(pGraphics, pTheme, pMatrix);
+    DrawWeekNumber(pGraphics, pTheme, pMatrix);
+  }
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_MonthCalendarImp::CountSelect() {
+  return m_arrSelDays.GetSize();
+}
+FX_BOOL CFWL_MonthCalendarImp::GetSelect(int32_t& iYear,
+                                         int32_t& iMonth,
+                                         int32_t& iDay,
+                                         int32_t nIndex) {
+  if (nIndex >= m_arrSelDays.GetSize()) {
+    return FALSE;
+  }
+  iYear = m_iCurYear;
+  iMonth = m_iCurMonth;
+  iDay = m_arrSelDays[nIndex];
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::SetSelect(int32_t iYear,
+                                         int32_t iMonth,
+                                         int32_t iDay) {
+  ChangeToMonth(iYear, iMonth);
+  return AddSelDay(iDay);
+}
+void CFWL_MonthCalendarImp::DrawBkground(CFX_Graphics* pGraphics,
+                                         IFWL_ThemeProvider* pTheme,
+                                         const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_Background;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtClient;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawHeadBK(CFX_Graphics* pGraphics,
+                                       IFWL_ThemeProvider* pTheme,
+                                       const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_Header;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtHead;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawLButton(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_LBtn;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = m_iLBtnPartStates;
+  params.m_rtPart = m_rtLBtn;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawRButton(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_RBtn;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = m_iRBtnPartStates;
+  params.m_rtPart = m_rtRBtn;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawCaption(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText textParam;
+  textParam.m_pWidget = m_pInterface;
+  textParam.m_iPart = FWL_PART_MCD_Caption;
+  textParam.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  textParam.m_pGraphics = pGraphics;
+  int32_t iYear;
+  int32_t iMonth;
+  iYear = m_iCurYear;
+  iMonth = m_iCurMonth;
+  CFX_WideString wsCation;
+  GetHeadText(iYear, iMonth, wsCation);
+  textParam.m_wsText = wsCation;
+  m_szHead = CalcTextSize(textParam.m_wsText, m_pProperties->m_pThemeProvider);
+  CalcHeadSize();
+  textParam.m_rtPart = m_rtHeadText;
+  textParam.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+  textParam.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  if (pMatrix) {
+    textParam.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawText(&textParam);
+}
+void CFWL_MonthCalendarImp::DrawSeperator(CFX_Graphics* pGraphics,
+                                          IFWL_ThemeProvider* pTheme,
+                                          const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_HSeparator;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtHSep;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawDatesInBK(CFX_Graphics* pGraphics,
+                                          IFWL_ThemeProvider* pTheme,
+                                          const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_DateInBK;
+  params.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t j = 0; j < iCount; j++) {
+    FWL_DATEINFO* pDataInfo = (FWL_DATEINFO*)m_arrDates.GetAt(j);
+    if (pDataInfo->dwStates & FWL_ITEMSTATE_MCD_Selected) {
+      params.m_dwStates |= FWL_PARTSTATE_MCD_Selected;
+      if (((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoTodayCircle) ==
+           0) &&
+          pDataInfo->dwStates & FWL_ITEMSTATE_MCD_Flag) {
+        params.m_dwStates |= FWL_PARTSTATE_MCD_Flagged;
+      }
+      if (pDataInfo->dwStates & FWL_ITEMSTATE_MCD_Focused) {
+        params.m_dwStates |= FWL_PARTSTATE_MCD_Focused;
+      }
+    } else if (j == m_iHovered - 1) {
+      params.m_dwStates |= FWL_PARTSTATE_MCD_Hovered;
+    } else if (pDataInfo->dwStates & FWL_ITEMSTATE_MCD_Flag) {
+      params.m_dwStates = FWL_PARTSTATE_MCD_Flagged;
+      pTheme->DrawBackground(&params);
+    }
+    params.m_rtPart = pDataInfo->rect;
+    pTheme->DrawBackground(&params);
+    params.m_dwStates = 0;
+  }
+}
+void CFWL_MonthCalendarImp::DrawWeek(CFX_Graphics* pGraphics,
+                                     IFWL_ThemeProvider* pTheme,
+                                     const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_Week;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  CFX_RectF rtDayOfWeek;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  for (int32_t i = 0; i < 7; i++) {
+    rtDayOfWeek.Set(m_rtWeek.left + i * (m_szCell.x + MONTHCAL_HMARGIN * 2),
+                    m_rtWeek.top, m_szCell.x, m_szCell.y);
+    CFX_WideString* wsWeekDay = static_cast<CFX_WideString*>(
+        pTheme->GetCapacity(&params, i + FWL_MCCAPACITY_Sun));
+    params.m_rtPart = rtDayOfWeek;
+    params.m_wsText = *wsWeekDay;
+    params.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+    pTheme->DrawText(&params);
+  }
+}
+void CFWL_MonthCalendarImp::DrawWeekNumber(CFX_Graphics* pGraphics,
+                                           IFWL_ThemeProvider* pTheme,
+                                           const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_WeekNum;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
+  CFX_WideString wsWeekNum;
+  params.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  int32_t iWeekNum = 0;
+  int32_t iMonthNum = m_pDateTime->GetMonth();
+  int32_t iDayNum = FX_DaysInMonth(m_iCurYear, iMonthNum);
+  int32_t iTemp = 0;
+  FX_FLOAT fVStartPos = m_rtClient.top + m_fHeadHei + m_fHSepHei;
+  FX_FLOAT fHStartPos = m_rtClient.left;
+  for (int32_t i = 1; i <= iDayNum; i += 7) {
+    iTemp++;
+    iWeekNum = CalWeekNumber(m_iCurYear, iMonthNum, i);
+    m_rtWeekNum.Set(fHStartPos, fVStartPos + m_fDateCellHei * iTemp,
+                    m_fWeekNumWid, m_fDateCellHei);
+    wsWeekNum.Format(L"%d", iWeekNum);
+    params.m_wsText = wsWeekNum;
+    params.m_rtPart = m_rtWeekNum;
+    pTheme->DrawText(&params);
+  }
+}
+void CFWL_MonthCalendarImp::DrawWeekNumberSep(CFX_Graphics* pGraphics,
+                                              IFWL_ThemeProvider* pTheme,
+                                              const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_WeekNumSep;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtWeekNumSep;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawToday(CFX_Graphics* pGraphics,
+                                      IFWL_ThemeProvider* pTheme,
+                                      const CFX_Matrix* pMatrix) {
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoToday) {
+    return;
+  }
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_Today;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
+  CFX_WideString* wsDay = static_cast<CFX_WideString*>(
+      pTheme->GetCapacity(&params, FWL_MCCAPACITY_Today));
+  CFX_WideString wsText;
+  GetTodayText(m_iYear, m_iMonth, m_iDay, wsText);
+  params.m_wsText = *wsDay + wsText;
+  m_szToday = CalcTextSize(params.m_wsText, m_pProperties->m_pThemeProvider);
+  CalcTodaySize();
+  params.m_rtPart = m_rtToday;
+  params.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawText(&params);
+}
+void CFWL_MonthCalendarImp::DrawDatesIn(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_DatesIn;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t j = 0; j < iCount; j++) {
+    FWL_DATEINFO* pDataInfo = (FWL_DATEINFO*)m_arrDates.GetAt(j);
+    params.m_wsText = pDataInfo->wsDay;
+    params.m_rtPart = pDataInfo->rect;
+    params.m_dwStates = pDataInfo->dwStates;
+    if (j + 1 == m_iHovered) {
+      params.m_dwStates |= FWL_PARTSTATE_MCD_Hovered;
+    }
+    params.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+    pTheme->DrawText(&params);
+  }
+}
+void CFWL_MonthCalendarImp::DrawDatesOut(CFX_Graphics* pGraphics,
+                                         IFWL_ThemeProvider* pTheme,
+                                         const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_DatesOut;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawText(&params);
+}
+void CFWL_MonthCalendarImp::DrawDatesInCircle(CFX_Graphics* pGraphics,
+                                              IFWL_ThemeProvider* pTheme,
+                                              const CFX_Matrix* pMatrix) {
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoTodayCircle) {
+    return;
+  }
+  if (m_iMonth != m_iCurMonth || m_iYear != m_iCurYear) {
+    return;
+  }
+  if (m_iDay < 1 || m_iDay > m_arrDates.GetSize()) {
+    return;
+  }
+  FWL_DATEINFO* pDate = (FWL_DATEINFO*)m_arrDates[m_iDay - 1];
+  if (!pDate)
+    return;
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_DateInCircle;
+  params.m_pGraphics = pGraphics;
+  params.m_rtPart = pDate->rect;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawTodayCircle(CFX_Graphics* pGraphics,
+                                            IFWL_ThemeProvider* pTheme,
+                                            const CFX_Matrix* pMatrix) {
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoToday) {
+    return;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoTodayCircle) {
+    return;
+  }
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_TodayCircle;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtTodayFlag;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+CFX_SizeF CFWL_MonthCalendarImp::CalcSize(FX_BOOL bAutoSize) {
+  if (!m_pProperties->m_pThemeProvider)
+    return CFX_SizeF();
+
+  if (!bAutoSize) {
+    GetClientRect(m_rtClient);
+    return CFX_SizeF(m_rtClient.width, m_rtClient.height);
+  }
+
+  CFX_SizeF fs;
+  CFWL_ThemePart params;
+  params.m_pWidget = m_pInterface;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  CFX_WideString* wsText = NULL;
+  FX_FLOAT fMaxWeekW = 0.0f;
+  FX_FLOAT fMaxWeekH = 0.0f;
+  for (FX_DWORD week = FWL_MCCAPACITY_Sun; week <= FWL_MCCAPACITY_Sat; week++) {
+    wsText = static_cast<CFX_WideString*>(pTheme->GetCapacity(&params, week));
+    CFX_SizeF sz = CalcTextSize(*wsText, m_pProperties->m_pThemeProvider);
+    fMaxWeekW = (fMaxWeekW >= sz.x) ? fMaxWeekW : sz.x;
+    fMaxWeekH = (fMaxWeekH >= sz.y) ? fMaxWeekH : sz.y;
+  }
+  FX_FLOAT fDayMaxW = 0.0f;
+  FX_FLOAT fDayMaxH = 0.0f;
+  for (int day = 10; day <= 31; day++) {
+    CFX_WideString wsDay;
+    wsDay.Format(L"%d", day);
+    CFX_SizeF sz = CalcTextSize(wsDay, m_pProperties->m_pThemeProvider);
+    fDayMaxW = (fDayMaxW >= sz.x) ? fDayMaxW : sz.x;
+    fDayMaxH = (fDayMaxH >= sz.y) ? fDayMaxH : sz.y;
+  }
+  m_szCell.x = FX_FLOAT((fMaxWeekW >= fDayMaxW) ? (int)(fMaxWeekW + 0.5)
+                                                : (int)(fDayMaxW + 0.5));
+  m_szCell.y = (fMaxWeekH >= fDayMaxH) ? fMaxWeekH : fDayMaxH;
+  fs.x = m_szCell.x * MONTHCAL_COLUMNS +
+         MONTHCAL_HMARGIN * MONTHCAL_COLUMNS * 2 +
+         MONTHCAL_HEADER_BTN_HMARGIN * 2;
+  FX_FLOAT fMonthMaxW = 0.0f;
+  FX_FLOAT fMonthMaxH = 0.0f;
+  for (FX_DWORD month = FWL_MCCAPACITY_January;
+       month <= FWL_MCCAPACITY_December; month++) {
+    wsText = static_cast<CFX_WideString*>(pTheme->GetCapacity(&params, month));
+    CFX_SizeF sz = CalcTextSize(*wsText, m_pProperties->m_pThemeProvider);
+    fMonthMaxW = (fMonthMaxW >= sz.x) ? fMonthMaxW : sz.x;
+    fMonthMaxH = (fMonthMaxH >= sz.y) ? fMonthMaxH : sz.y;
+  }
+  CFX_WideString wsYear;
+  GetHeadText(m_iYear, m_iMonth, wsYear);
+  CFX_SizeF szYear = CalcTextSize(wsYear, m_pProperties->m_pThemeProvider);
+  fMonthMaxH = std::max(fMonthMaxH, szYear.y);
+  m_szHead = CFX_SizeF(fMonthMaxW + szYear.x, fMonthMaxH);
+  fMonthMaxW = m_szHead.x + MONTHCAL_HEADER_BTN_HMARGIN * 2 + m_szCell.x * 2;
+  fs.x = std::max(fs.x, fMonthMaxW);
+  CFX_WideString wsToday;
+  GetTodayText(m_iYear, m_iMonth, m_iDay, wsToday);
+  wsText = static_cast<CFX_WideString*>(
+      pTheme->GetCapacity(&params, FWL_MCCAPACITY_Today));
+  m_wsToday = *wsText + wsToday;
+  m_szToday = CalcTextSize(wsToday, m_pProperties->m_pThemeProvider);
+  m_szToday.y = (m_szToday.y >= m_szCell.y) ? m_szToday.y : m_szCell.y;
+  fs.y = m_szCell.x + m_szCell.y * (MONTHCAL_ROWS - 2) + m_szToday.y +
+         MONTHCAL_VMARGIN * MONTHCAL_ROWS * 2 + MONTHCAL_HEADER_BTN_VMARGIN * 4;
+  return fs;
+}
+
+void CFWL_MonthCalendarImp::CalcHeadSize() {
+  FX_FLOAT fHeadHMargin = (m_rtClient.width - m_szHead.x) / 2;
+  FX_FLOAT fHeadVMargin = (m_szCell.x - m_szHead.y) / 2;
+  m_rtHeadText.Set(m_rtClient.left + fHeadHMargin,
+                   m_rtClient.top + MONTHCAL_HEADER_BTN_VMARGIN +
+                       MONTHCAL_VMARGIN + fHeadVMargin,
+                   m_szHead.x, m_szHead.y);
+}
+void CFWL_MonthCalendarImp::CalcTodaySize() {
+  m_rtTodayFlag.Set(
+      m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN + MONTHCAL_HMARGIN,
+      m_rtDates.bottom() + MONTHCAL_HEADER_BTN_VMARGIN + MONTHCAL_VMARGIN,
+      m_szCell.x, m_szToday.y);
+  m_rtToday.Set(
+      m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN + m_szCell.x +
+          MONTHCAL_HMARGIN * 2,
+      m_rtDates.bottom() + MONTHCAL_HEADER_BTN_VMARGIN + MONTHCAL_VMARGIN,
+      m_szToday.x, m_szToday.y);
+}
+void CFWL_MonthCalendarImp::LayOut() {
+  GetClientRect(m_rtClient);
+  {
+    m_rtHead.Set(
+        m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN, m_rtClient.top,
+        m_rtClient.width - MONTHCAL_HEADER_BTN_HMARGIN * 2,
+        m_szCell.x + (MONTHCAL_HEADER_BTN_VMARGIN + MONTHCAL_VMARGIN) * 2);
+    m_rtWeek.Set(m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN,
+                 m_rtHead.bottom(),
+                 m_rtClient.width - MONTHCAL_HEADER_BTN_HMARGIN * 2,
+                 m_szCell.y + MONTHCAL_VMARGIN * 2);
+    m_rtLBtn.Set(m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN,
+                 m_rtClient.top + MONTHCAL_HEADER_BTN_VMARGIN, m_szCell.x,
+                 m_szCell.x);
+    m_rtRBtn.Set(m_rtClient.left + m_rtClient.width -
+                     MONTHCAL_HEADER_BTN_HMARGIN - m_szCell.x,
+                 m_rtClient.top + MONTHCAL_HEADER_BTN_VMARGIN, m_szCell.x,
+                 m_szCell.x);
+    m_rtHSep.Set(
+        m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN + MONTHCAL_HMARGIN,
+        m_rtWeek.bottom() - MONTHCAL_VMARGIN,
+        m_rtClient.width - (MONTHCAL_HEADER_BTN_HMARGIN + MONTHCAL_HMARGIN) * 2,
+        MONTHCAL_HSEP_HEIGHT);
+    m_rtDates.Set(m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN,
+                  m_rtWeek.bottom(),
+                  m_rtClient.width - MONTHCAL_HEADER_BTN_HMARGIN * 2,
+                  m_szCell.y * (MONTHCAL_ROWS - 3) +
+                      MONTHCAL_VMARGIN * (MONTHCAL_ROWS - 3) * 2);
+  }
+  CalDateItem();
+}
+void CFWL_MonthCalendarImp::CalDateItem() {
+  FX_BOOL bNewWeek = FALSE;
+  int32_t iWeekOfMonth = 0;
+  FX_FLOAT fLeft = m_rtDates.left;
+  FX_FLOAT fTop = m_rtDates.top;
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(i);
+    if (bNewWeek) {
+      iWeekOfMonth++;
+      bNewWeek = FALSE;
+    }
+    pDateInfo->rect.Set(
+        fLeft + pDateInfo->iDayOfWeek * (m_szCell.x + (MONTHCAL_HMARGIN * 2)),
+        fTop + iWeekOfMonth * (m_szCell.y + (MONTHCAL_VMARGIN * 2)),
+        m_szCell.x + (MONTHCAL_HMARGIN * 2),
+        m_szCell.y + (MONTHCAL_VMARGIN * 2));
+    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_WeekNumbers) {
+      pDateInfo->rect.Offset(m_fWeekNumWid, 0);
+    }
+    if (pDateInfo->iDayOfWeek >= 6) {
+      bNewWeek = TRUE;
+    }
+  }
+}
+void CFWL_MonthCalendarImp::GetCapValue() {
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  CFWL_ThemePart part;
+  part.m_pWidget = m_pInterface;
+  m_fHeadWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_WIDTH));
+  m_fHeadHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_Height));
+  m_fHeadBtnWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_BTN_WIDTH));
+  m_fHeadBtnHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_BTN_HEIGHT));
+  m_fHeadBtnHMargin = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_BTN_HMARGIN));
+  m_fHeadBtnVMargin = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_BTN_VMARGIN));
+  m_fHeadTextWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_TEXTWIDHT));
+  m_fHeadTextHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_TEXTHEIGHT));
+  m_fHeadTextHMargin = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_TEXT_HMARGIN));
+  m_fHeadTextVMargin = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_TEXT_VMARGIN));
+  m_fHSepWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HSEP_WIDTH));
+  m_fHSepHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HSEP_HEIGHT));
+  m_fWeekNumWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WEEKNUM_WIDTH));
+  m_fSepDOffset = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_SEP_DOFFSET));
+  m_fSepX = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_SEP_X));
+  m_fSepY = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_SEP_Y));
+  m_fWeekNumHeigh = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WEEKNUM_HEIGHT));
+  m_fWeekWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WEEK_WIDTH));
+  m_fWeekHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WEEK_HEIGHT));
+  m_fDateCellWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_DATES_CELL_WIDTH));
+  m_fDateCellHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_DATES_CELL_HEIGHT));
+  m_fTodayWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_TODAY_WIDHT));
+  m_fTodayHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_TODAY_HEIGHT));
+  m_fTodayFlagWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_TODAY_FLAG_WIDHT));
+  m_fMCWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WIDTH));
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_WeekNumbers) {
+    m_fMCWid += m_fWeekNumWid;
+  }
+  m_fMCHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEIGHT));
+}
+int32_t CFWL_MonthCalendarImp::CalWeekNumber(int32_t iYear,
+                                             int32_t iMonth,
+                                             int32_t iDay) {
+  return 0;
+}
+FX_BOOL CFWL_MonthCalendarImp::GetMinDate(int32_t& iYear,
+                                          int32_t& iMonth,
+                                          int32_t& iDay) {
+  iYear = m_dtMin.iYear;
+  iMonth = m_dtMin.iMonth;
+  iDay = m_dtMin.iDay;
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::SetMinDate(int32_t iYear,
+                                          int32_t iMonth,
+                                          int32_t iDay) {
+  m_dtMin = DATE(iYear, iMonth, iDay);
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::GetMaxDate(int32_t& iYear,
+                                          int32_t& iMonth,
+                                          int32_t& iDay) {
+  iYear = m_dtMax.iYear;
+  iMonth = m_dtMax.iMonth;
+  iDay = m_dtMax.iDay;
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::SetMaxDate(int32_t iYear,
+                                          int32_t iMonth,
+                                          int32_t iDay) {
+  m_dtMax = DATE(iYear, iMonth, iDay);
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::InitDate() {
+  if (m_pProperties->m_pDataProvider) {
+    IFWL_MonthCalendarDP* pDateProv =
+        static_cast<IFWL_MonthCalendarDP*>(m_pProperties->m_pDataProvider);
+    m_iYear = pDateProv->GetCurYear(m_pInterface);
+    m_iMonth = pDateProv->GetCurMonth(m_pInterface);
+    m_iDay = pDateProv->GetCurDay(m_pInterface);
+    m_iCurYear = m_iYear;
+    m_iCurMonth = m_iMonth;
+  } else {
+    m_iDay = 1;
+    m_iMonth = 1;
+    m_iYear = 1;
+    m_iCurYear = m_iYear;
+    m_iCurMonth = m_iMonth;
+  }
+  GetTodayText(m_iYear, m_iMonth, m_iDay, m_wsToday);
+  GetHeadText(m_iCurYear, m_iCurMonth, m_wsHead);
+  m_dtMin = DATE(1500, 12, 1);
+  m_dtMax = DATE(2200, 1, 1);
+  return TRUE;
+}
+void CFWL_MonthCalendarImp::ClearDateItem() {
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_DATEINFO* pData = (FWL_DATEINFO*)m_arrDates.GetAt(i);
+    delete pData;
+  }
+  m_arrDates.RemoveAll();
+}
+void CFWL_MonthCalendarImp::ReSetDateItem() {
+  m_pDateTime->Set(m_iCurYear, m_iCurMonth, 1);
+  int32_t iDays = FX_DaysInMonth(m_iCurYear, m_iCurMonth);
+  int32_t iDayOfWeek = m_pDateTime->GetDayOfWeek();
+  for (int32_t i = 0; i < iDays; i++) {
+    if (iDayOfWeek >= 7) {
+      iDayOfWeek = 0;
+    }
+    CFX_WideString wsDay;
+    wsDay.Format(L"%d", i + 1);
+    FX_DWORD dwStates = 0;
+    if (m_iYear == m_iCurYear && m_iMonth == m_iCurMonth && m_iDay == (i + 1)) {
+      dwStates |= FWL_ITEMSTATE_MCD_Flag;
+    }
+    if (m_arrSelDays.Find(i + 1) != -1) {
+      dwStates |= FWL_ITEMSTATE_MCD_Selected;
+    }
+    CFX_RectF rtDate;
+    rtDate.Set(0, 0, 0, 0);
+    m_arrDates.Add(
+        new FWL_DATEINFO(i + 1, iDayOfWeek, dwStates, rtDate, wsDay));
+    iDayOfWeek++;
+  }
+}
+FX_BOOL CFWL_MonthCalendarImp::NextMonth() {
+  int32_t iYear = m_iCurYear, iMonth = m_iCurMonth;
+  if (iMonth >= 12) {
+    iMonth = 1;
+    iYear++;
+  } else {
+    iMonth++;
+  }
+  DATE dt(m_iCurYear, m_iCurMonth, 1);
+  if (!(dt < m_dtMax)) {
+    return FALSE;
+  }
+  m_iCurYear = iYear, m_iCurMonth = iMonth;
+  ChangeToMonth(m_iCurYear, m_iCurMonth);
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::PrevMonth() {
+  int32_t iYear = m_iCurYear, iMonth = m_iCurMonth;
+  if (iMonth <= 1) {
+    iMonth = 12;
+    iYear--;
+  } else {
+    iMonth--;
+  }
+  DATE dt(m_iCurYear, m_iCurMonth, 1);
+  if (!(dt > m_dtMin)) {
+    return FALSE;
+  }
+  m_iCurYear = iYear, m_iCurMonth = iMonth;
+  ChangeToMonth(m_iCurYear, m_iCurMonth);
+  return TRUE;
+}
+void CFWL_MonthCalendarImp::ChangeToMonth(int32_t iYear, int32_t iMonth) {
+  m_iCurYear = iYear;
+  m_iCurMonth = iMonth;
+  m_iHovered = -1;
+  ClearDateItem();
+  ReSetDateItem();
+  CalDateItem();
+  GetHeadText(m_iCurYear, m_iCurMonth, m_wsHead);
+}
+FX_BOOL CFWL_MonthCalendarImp::RemoveSelDay(int32_t iDay, FX_BOOL bAll) {
+  if (iDay == -1 && !bAll) {
+    return FALSE;
+  }
+  if (bAll) {
+    int32_t iCount = m_arrSelDays.GetSize();
+    int32_t iDatesCount = m_arrDates.GetSize();
+    for (int32_t i = 0; i < iCount; i++) {
+      int32_t iSelDay = m_arrSelDays.GetAt(i);
+      if (iSelDay <= iDatesCount) {
+        FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(iSelDay - 1);
+        pDateInfo->dwStates &= ~FWL_ITEMSTATE_MCD_Selected;
+      }
+    }
+    m_arrSelDays.RemoveAll();
+  } else {
+    int32_t index = m_arrSelDays.Find(iDay);
+    if (index == -1) {
+      return FALSE;
+    }
+    int32_t iSelDay = m_arrSelDays.GetAt(iDay);
+    int32_t iDatesCount = m_arrDates.GetSize();
+    if (iSelDay <= iDatesCount) {
+      FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(iSelDay - 1);
+      pDateInfo->dwStates &= ~FWL_ITEMSTATE_MCD_Selected;
+    }
+    m_arrSelDays.RemoveAt(index);
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::AddSelDay(int32_t iDay) {
+  FXSYS_assert(iDay > 0);
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_MultiSelect) {
+  } else {
+    if (m_arrSelDays.Find(iDay) == -1) {
+      RemoveSelDay(-1, TRUE);
+      if (iDay <= m_arrDates.GetSize()) {
+        FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(iDay - 1);
+        pDateInfo->dwStates |= FWL_ITEMSTATE_MCD_Selected;
+      }
+      m_arrSelDays.Add(iDay);
+    }
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::JumpToToday() {
+  if (m_iYear != m_iCurYear || m_iMonth != m_iCurMonth) {
+    m_iCurYear = m_iYear;
+    m_iCurMonth = m_iMonth;
+    ChangeToMonth(m_iYear, m_iMonth);
+    AddSelDay(m_iDay);
+  } else {
+    if (m_arrSelDays.Find(m_iDay) == -1) {
+      AddSelDay(m_iDay);
+    }
+  }
+  return TRUE;
+}
+void CFWL_MonthCalendarImp::GetHeadText(int32_t iYear,
+                                        int32_t iMonth,
+                                        CFX_WideString& wsHead) {
+  FXSYS_assert(iMonth > 0 && iMonth < 13);
+  static const FX_WCHAR* const pMonth[] = {
+      L"January",   L"February", L"March",    L"April",
+      L"May",       L"June",     L"July",     L"August",
+      L"September", L"October",  L"November", L"December"};
+  wsHead.Format(L"%s, %d", pMonth[iMonth - 1], iYear);
+}
+void CFWL_MonthCalendarImp::GetTodayText(int32_t iYear,
+                                         int32_t iMonth,
+                                         int32_t iDay,
+                                         CFX_WideString& wsToday) {
+  wsToday.Format(L", %d/%d/%d", iDay, iMonth, iYear);
+}
+int32_t CFWL_MonthCalendarImp::GetDayAtPoint(FX_FLOAT x, FX_FLOAT y) {
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(i);
+    if (pDateInfo->rect.Contains(x, y)) {
+      return ++i;
+    }
+  }
+  return -1;
+}
+FX_BOOL CFWL_MonthCalendarImp::GetDayRect(int32_t iDay, CFX_RectF& rtDay) {
+  if (iDay <= 0 || iDay > m_arrDates.GetSize()) {
+    return FALSE;
+  }
+  FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates[iDay - 1];
+  if (!pDateInfo)
+    return FALSE;
+  rtDay = pDateInfo->rect;
+  return TRUE;
+}
+CFWL_MonthCalendarImpDelegate::CFWL_MonthCalendarImpDelegate(
+    CFWL_MonthCalendarImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_MonthCalendarImpDelegate::OnProcessMessage(
+    CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  int32_t iRet = 1;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      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; }
+      }
+      break;
+    }
+    default: {
+      iRet = 0;
+      break;
+    }
+  }
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+  return iRet;
+}
+FWL_ERR CFWL_MonthCalendarImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                    const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+
+void CFWL_MonthCalendarImpDelegate::OnActivate(CFWL_Message* pMsg) {}
+
+void CFWL_MonthCalendarImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
+                                                   FX_BOOL bSet) {
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_MonthCalendarImpDelegate::OnLButtonDown(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 {
+    if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_MultiSelect) {
+    } else {
+      int32_t iOldSel = 0;
+      if (m_pOwner->m_arrSelDays.GetSize() > 0) {
+        iOldSel = m_pOwner->m_arrSelDays[0];
+      } else {
+        return;
+      }
+      int32_t iCurSel = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+      FX_BOOL bSelChanged = iCurSel > 0 && iCurSel != iOldSel;
+      if (bSelChanged) {
+        FWL_DATEINFO* lpDatesInfo =
+            (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iCurSel - 1);
+        CFX_RectF rtInvalidate(lpDatesInfo->rect);
+        if (iOldSel > 0) {
+          lpDatesInfo = (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iOldSel - 1);
+          rtInvalidate.Union(lpDatesInfo->rect);
+        }
+        m_pOwner->AddSelDay(iCurSel);
+        CFWL_EvtClick wmClick;
+        wmClick.m_pSrcTarget = m_pOwner->m_pInterface;
+        m_pOwner->DispatchEvent(&wmClick);
+        CFWL_EventMcdDateChanged wmDateSelected;
+        wmDateSelected.m_iStartDay = iCurSel;
+        wmDateSelected.m_iEndDay = iCurSel;
+        wmDateSelected.m_iOldMonth = m_pOwner->m_iCurMonth;
+        wmDateSelected.m_iOldYear = m_pOwner->m_iCurYear;
+        wmDateSelected.m_pSrcTarget = m_pOwner->m_pInterface;
+        m_pOwner->DispatchEvent(&wmDateSelected);
+        m_pOwner->Repaint(&rtInvalidate);
+      }
+    }
+  }
+}
+void CFWL_MonthCalendarImpDelegate::OnLButtonUp(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);
+  } else if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates = 0;
+    m_pOwner->Repaint(&m_pOwner->m_rtRBtn);
+  } else if (m_pOwner->m_rtDates.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    int32_t iDay = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+    if (iDay != -1) {
+      m_pOwner->AddSelDay(iDay);
+    }
+  }
+}
+void CFWL_MonthCalendarImpDelegate::OnMouseMove(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;
+  } 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);
+  }
+}
+void CFWL_MonthCalendarImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_iHovered > 0) {
+    CFX_RectF rtInvalidate;
+    rtInvalidate.Set(0, 0, 0, 0);
+    m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
+    m_pOwner->m_iHovered = -1;
+    if (!rtInvalidate.IsEmpty()) {
+      m_pOwner->Repaint(&rtInvalidate);
+    }
+  }
+}