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// 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.
#include <memory>
#include <utility>
#include "xfa/fwl/cfwl_datetimeedit.h"
#include "xfa/fwl/cfwl_event.h"
#include "xfa/fwl/cfwl_monthcalendar.h"
#include "xfa/fwl/cfwl_widget.h"
#include "xfa/fwl/cfwl_widgetproperties.h"
#define FWL_STYLEEXT_DTP_LongDateFormat 0
#define FWL_STYLEEXT_DTP_ShortDateFormat (1L << 1)
#define FWL_STYLEEXT_DTP_EditHNear 0
#define FWL_STYLEEXT_DTP_EditHCenter (1L << 4)
#define FWL_STYLEEXT_DTP_EditHFar (2L << 4)
#define FWL_STYLEEXT_DTP_EditVNear 0
#define FWL_STYLEEXT_DTP_EditVCenter (1L << 6)
#define FWL_STYLEEXT_DTP_EditVFar (2L << 6)
#define FWL_STYLEEXT_DTP_EditJustified (1L << 8)
#define FWL_STYLEEXT_DTP_EditHAlignMask (3L << 4)
#define FWL_STYLEEXT_DTP_EditVAlignMask (3L << 6)
class CFWL_DateTimeEdit;
class CFWL_DateTimePicker final : public CFWL_Widget {
explicit CFWL_DateTimePicker(const CFWL_App* pApp);
~CFWL_DateTimePicker() override;
// CFWL_Widget
FWL_Type GetClassID() const override;
void Update() override;
FWL_WidgetHit HitTest(const CFX_PointF& point) override;
void DrawWidget(CXFA_Graphics* pGraphics, const CFX_Matrix& matrix) override;
void SetThemeProvider(IFWL_ThemeProvider* pTP) override;
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnDrawWidget(CXFA_Graphics* pGraphics,
const CFX_Matrix& matrix) override;
void GetCurSel(int32_t& iYear, int32_t& iMonth, int32_t& iDay);
void SetCurSel(int32_t iYear, int32_t iMonth, int32_t iDay);
void SetEditText(const WideString& wsText);
int32_t GetEditTextLength() const;
WideString GetEditText() const;
void ClearText();
void SelectAll();
void ClearSelection();
bool HasSelection() const { return m_pEdit->HasSelection(); }
// Returns <start, count> of the selection.
std::pair<size_t, size_t> GetSelection() const {
return m_pEdit->GetSelection();
Optional<WideString> Copy();
Optional<WideString> Cut();
bool Paste(const WideString& wsPaste);
bool Undo();
bool Redo();
bool CanUndo();
bool CanRedo();
CFX_RectF GetBBox() const;
void SetEditLimit(int32_t nLimit) { m_pEdit->SetLimit(nLimit); }
void ModifyEditStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved);
bool IsMonthCalendarVisible() const;
void ShowMonthCalendar(bool bActivate);
void ProcessSelChanged(int32_t iYear, int32_t iMonth, int32_t iDay);
void DrawDropDownButton(CXFA_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix);
WideString FormatDateString(int32_t iYear, int32_t iMonth, int32_t iDay);
void ResetEditAlignment();
void GetPopupPos(float fMinHeight,
float fMaxHeight,
const CFX_RectF& rtAnchor,
CFX_RectF* pPopupRect);
void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
void OnLButtonDown(CFWL_MessageMouse* pMsg);
void OnLButtonUp(CFWL_MessageMouse* pMsg);
void OnMouseMove(CFWL_MessageMouse* pMsg);
void OnMouseLeave(CFWL_MessageMouse* pMsg);
bool NeedsToShowButton() const;
CFX_RectF m_rtBtn;
CFX_RectF m_rtClient;
int32_t m_iBtnState;
int32_t m_iYear;
int32_t m_iMonth;
int32_t m_iDay;
bool m_bLBtnDown;
std::unique_ptr<CFWL_DateTimeEdit> m_pEdit;
std::unique_ptr<CFWL_MonthCalendar> m_pMonthCal;
float m_fBtn;