466 lines
13 KiB
C++
466 lines
13 KiB
C++
// Copyright 2014 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fwl/cfwl_datetimepicker.h"
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#include "xfa/fwl/cfwl_app.h"
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#include "xfa/fwl/cfwl_event.h"
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#include "xfa/fwl/cfwl_eventselectchanged.h"
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#include "xfa/fwl/cfwl_messagemouse.h"
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#include "xfa/fwl/cfwl_messagesetfocus.h"
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#include "xfa/fwl/cfwl_notedriver.h"
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#include "xfa/fwl/cfwl_themebackground.h"
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#include "xfa/fwl/cfwl_widgetmgr.h"
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#include "xfa/fwl/ifwl_themeprovider.h"
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namespace {
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constexpr int kDateTimePickerHeight = 20;
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} // namespace
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CFWL_DateTimePicker::CFWL_DateTimePicker(CFWL_App* app)
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: CFWL_Widget(app,
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Properties{0, FWL_STYLEEXT_DTP_ShortDateFormat, 0},
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nullptr),
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m_pEdit(cppgc::MakeGarbageCollected<CFWL_DateTimeEdit>(
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app->GetHeap()->GetAllocationHandle(),
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app,
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Properties(),
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this)),
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m_pMonthCal(cppgc::MakeGarbageCollected<CFWL_MonthCalendar>(
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app->GetHeap()->GetAllocationHandle(),
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app,
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Properties{FWL_STYLE_WGT_Popup | FWL_STYLE_WGT_Border, 0,
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FWL_STATE_WGT_Invisible},
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this)) {
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m_pMonthCal->SetWidgetRect(
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CFX_RectF(0, 0, m_pMonthCal->GetAutosizedWidgetRect().Size()));
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CFWL_NoteDriver* pNoteDriver = GetFWLApp()->GetNoteDriver();
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pNoteDriver->RegisterEventTarget(this, m_pMonthCal);
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pNoteDriver->RegisterEventTarget(this, m_pEdit);
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}
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CFWL_DateTimePicker::~CFWL_DateTimePicker() = default;
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void CFWL_DateTimePicker::PreFinalize() {
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UnregisterEventTarget();
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CFWL_Widget::PreFinalize();
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}
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void CFWL_DateTimePicker::Trace(cppgc::Visitor* visitor) const {
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CFWL_Widget::Trace(visitor);
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visitor->Trace(m_pEdit);
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visitor->Trace(m_pMonthCal);
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}
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FWL_Type CFWL_DateTimePicker::GetClassID() const {
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return FWL_Type::DateTimePicker;
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}
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void CFWL_DateTimePicker::Update() {
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if (IsLocked())
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return;
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m_ClientRect = GetClientRect();
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m_pEdit->SetWidgetRect(m_ClientRect);
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ResetEditAlignment();
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m_pEdit->Update();
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m_fBtn = GetThemeProvider()->GetScrollBarWidth();
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CFX_RectF rtMonthCal = m_pMonthCal->GetAutosizedWidgetRect();
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CFX_RectF rtPopUp(rtMonthCal.left, rtMonthCal.top + kDateTimePickerHeight,
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rtMonthCal.width, rtMonthCal.height);
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m_pMonthCal->SetWidgetRect(rtPopUp);
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m_pMonthCal->Update();
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}
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FWL_WidgetHit CFWL_DateTimePicker::HitTest(const CFX_PointF& point) {
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CFX_RectF rect(0, 0, m_WidgetRect.width, m_WidgetRect.height);
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if (rect.Contains(point))
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return FWL_WidgetHit::Edit;
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if (NeedsToShowButton())
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rect.width += m_fBtn;
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if (rect.Contains(point))
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return FWL_WidgetHit::Client;
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if (IsMonthCalendarVisible()) {
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if (m_pMonthCal->GetWidgetRect().Contains(point))
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return FWL_WidgetHit::Client;
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}
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return FWL_WidgetHit::Unknown;
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}
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void CFWL_DateTimePicker::DrawWidget(CFGAS_GEGraphics* pGraphics,
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const CFX_Matrix& matrix) {
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if (!pGraphics)
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return;
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if (HasBorder())
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DrawBorder(pGraphics, CFWL_ThemePart::Part::kBorder, matrix);
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if (!m_BtnRect.IsEmpty())
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DrawDropDownButton(pGraphics, matrix);
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if (m_pEdit) {
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CFX_RectF rtEdit = m_pEdit->GetWidgetRect();
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CFX_Matrix mt(1, 0, 0, 1, rtEdit.left, rtEdit.top);
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mt.Concat(matrix);
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m_pEdit->DrawWidget(pGraphics, mt);
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}
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if (!IsMonthCalendarVisible())
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return;
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CFX_RectF rtMonth = m_pMonthCal->GetWidgetRect();
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CFX_Matrix mt(1, 0, 0, 1, rtMonth.left, rtMonth.top);
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mt.Concat(matrix);
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m_pMonthCal->DrawWidget(pGraphics, mt);
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}
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void CFWL_DateTimePicker::GetCurSel(int32_t& iYear,
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int32_t& iMonth,
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int32_t& iDay) {
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iYear = m_iYear;
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iMonth = m_iMonth;
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iDay = m_iDay;
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}
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void CFWL_DateTimePicker::SetCurSel(int32_t iYear,
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int32_t iMonth,
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int32_t iDay) {
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if (iYear <= 0 || iYear >= 3000)
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return;
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if (iMonth <= 0 || iMonth >= 13)
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return;
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if (iDay <= 0 || iDay >= 32)
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return;
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m_iYear = iYear;
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m_iMonth = iMonth;
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m_iDay = iDay;
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m_pMonthCal->SetSelect(iYear, iMonth, iDay);
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}
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void CFWL_DateTimePicker::SetEditText(const WideString& wsText) {
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if (!m_pEdit)
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return;
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m_pEdit->SetText(wsText);
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RepaintRect(m_ClientRect);
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CFWL_Event ev(CFWL_Event::Type::EditChanged);
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DispatchEvent(&ev);
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}
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WideString CFWL_DateTimePicker::GetEditText() const {
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return m_pEdit ? m_pEdit->GetText() : WideString();
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}
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size_t CFWL_DateTimePicker::GetEditTextLength() const {
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return m_pEdit ? m_pEdit->GetTextLength() : 0;
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}
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CFX_RectF CFWL_DateTimePicker::GetBBox() const {
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CFX_RectF rect = m_WidgetRect;
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if (NeedsToShowButton())
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rect.width += m_fBtn;
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if (!IsMonthCalendarVisible())
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return rect;
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CFX_RectF rtMonth = m_pMonthCal->GetWidgetRect();
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rtMonth.Offset(m_WidgetRect.left, m_WidgetRect.top);
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rect.Union(rtMonth);
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return rect;
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}
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void CFWL_DateTimePicker::ModifyEditStyleExts(uint32_t dwStyleExtsAdded,
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uint32_t dwStyleExtsRemoved) {
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m_pEdit->ModifyStyleExts(dwStyleExtsAdded, dwStyleExtsRemoved);
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}
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void CFWL_DateTimePicker::DrawDropDownButton(CFGAS_GEGraphics* pGraphics,
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const CFX_Matrix& mtMatrix) {
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CFWL_ThemeBackground param(CFWL_ThemePart::Part::kDropDownButton, this,
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pGraphics);
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param.m_dwStates = m_iBtnState;
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param.m_PartRect = m_BtnRect;
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param.m_matrix = mtMatrix;
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GetThemeProvider()->DrawBackground(param);
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}
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WideString CFWL_DateTimePicker::FormatDateString(int32_t iYear,
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int32_t iMonth,
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int32_t iDay) {
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if (m_Properties.m_dwStyleExts & FWL_STYLEEXT_DTP_ShortDateFormat)
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return WideString::Format(L"%d-%d-%d", iYear, iMonth, iDay);
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return WideString::Format(L"%d Year %d Month %d Day", iYear, iMonth, iDay);
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}
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void CFWL_DateTimePicker::ShowMonthCalendar() {
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if (IsMonthCalendarVisible())
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return;
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CFX_RectF rtMonthCal = m_pMonthCal->GetAutosizedWidgetRect();
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float fPopupMin = rtMonthCal.height;
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float fPopupMax = rtMonthCal.height;
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CFX_RectF rtAnchor = m_WidgetRect;
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rtAnchor.width = rtMonthCal.width;
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rtMonthCal.left = m_ClientRect.left;
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rtMonthCal.top = rtAnchor.Height();
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GetPopupPos(fPopupMin, fPopupMax, rtAnchor, &rtMonthCal);
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m_pMonthCal->SetWidgetRect(rtMonthCal);
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if (m_iYear > 0 && m_iMonth > 0 && m_iDay > 0)
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m_pMonthCal->SetSelect(m_iYear, m_iMonth, m_iDay);
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m_pMonthCal->Update();
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m_pMonthCal->RemoveStates(FWL_STATE_WGT_Invisible);
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CFWL_MessageSetFocus msg(m_pMonthCal);
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m_pEdit->GetDelegate()->OnProcessMessage(&msg);
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RepaintInflatedMonthCalRect();
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}
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void CFWL_DateTimePicker::HideMonthCalendar() {
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if (!IsMonthCalendarVisible())
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return;
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m_pMonthCal->SetStates(FWL_STATE_WGT_Invisible);
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RepaintInflatedMonthCalRect();
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}
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void CFWL_DateTimePicker::RepaintInflatedMonthCalRect() {
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CFX_RectF rtInvalidate(0, 0, m_WidgetRect.width, m_WidgetRect.height);
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CFX_RectF rtCal = m_pMonthCal->GetWidgetRect();
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rtInvalidate.Union(rtCal);
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rtInvalidate.Inflate(2, 2);
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RepaintRect(rtInvalidate);
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}
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bool CFWL_DateTimePicker::IsMonthCalendarVisible() const {
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return m_pMonthCal && m_pMonthCal->IsVisible();
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}
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void CFWL_DateTimePicker::ResetEditAlignment() {
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if (!m_pEdit)
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return;
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uint32_t dwAdd = 0;
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switch (m_Properties.m_dwStyleExts & FWL_STYLEEXT_DTP_EditHAlignMask) {
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case FWL_STYLEEXT_DTP_EditHCenter: {
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dwAdd |= FWL_STYLEEXT_EDT_HCenter;
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break;
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}
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case FWL_STYLEEXT_DTP_EditHFar: {
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dwAdd |= FWL_STYLEEXT_EDT_HFar;
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break;
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}
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default: {
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dwAdd |= FWL_STYLEEXT_EDT_HNear;
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break;
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}
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}
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switch (m_Properties.m_dwStyleExts & FWL_STYLEEXT_DTP_EditVAlignMask) {
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case FWL_STYLEEXT_DTP_EditVCenter: {
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dwAdd |= FWL_STYLEEXT_EDT_VCenter;
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break;
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}
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case FWL_STYLEEXT_DTP_EditVFar: {
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dwAdd |= FWL_STYLEEXT_EDT_VFar;
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break;
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}
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default: {
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dwAdd |= FWL_STYLEEXT_EDT_VNear;
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break;
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}
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}
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if (m_Properties.m_dwStyleExts & FWL_STYLEEXT_DTP_EditJustified)
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dwAdd |= FWL_STYLEEXT_EDT_Justified;
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m_pEdit->ModifyStyleExts(dwAdd, FWL_STYLEEXT_EDT_HAlignMask |
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FWL_STYLEEXT_EDT_HAlignModeMask |
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FWL_STYLEEXT_EDT_VAlignMask);
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}
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void CFWL_DateTimePicker::ProcessSelChanged(int32_t iYear,
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int32_t iMonth,
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int32_t iDay) {
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m_iYear = iYear;
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m_iMonth = iMonth;
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m_iDay = iDay;
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m_pEdit->SetText(FormatDateString(m_iYear, m_iMonth, m_iDay));
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m_pEdit->Update();
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RepaintRect(m_ClientRect);
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CFWL_EventSelectChanged ev(this, m_iYear, m_iMonth, m_iDay);
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DispatchEvent(&ev);
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}
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bool CFWL_DateTimePicker::NeedsToShowButton() const {
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return m_Properties.m_dwStates & FWL_STATE_WGT_Focused ||
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m_pMonthCal->GetStates() & FWL_STATE_WGT_Focused ||
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m_pEdit->GetStates() & FWL_STATE_WGT_Focused;
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}
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void CFWL_DateTimePicker::OnProcessMessage(CFWL_Message* pMessage) {
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switch (pMessage->GetType()) {
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case CFWL_Message::Type::kSetFocus:
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OnFocusGained(pMessage);
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break;
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case CFWL_Message::Type::kKillFocus:
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OnFocusLost(pMessage);
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break;
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case CFWL_Message::Type::kMouse: {
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CFWL_MessageMouse* pMouse = static_cast<CFWL_MessageMouse*>(pMessage);
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switch (pMouse->m_dwCmd) {
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case CFWL_MessageMouse::MouseCommand::kLeftButtonDown:
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OnLButtonDown(pMouse);
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break;
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case CFWL_MessageMouse::MouseCommand::kLeftButtonUp:
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OnLButtonUp(pMouse);
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break;
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case CFWL_MessageMouse::MouseCommand::kMove:
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OnMouseMove(pMouse);
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break;
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case CFWL_MessageMouse::MouseCommand::kLeave:
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OnMouseLeave(pMouse);
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break;
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default:
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break;
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}
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break;
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}
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case CFWL_Message::Type::kKey: {
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if (m_pEdit->GetStates() & FWL_STATE_WGT_Focused) {
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m_pEdit->GetDelegate()->OnProcessMessage(pMessage);
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return;
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}
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break;
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}
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default:
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break;
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}
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// Dst target could be |this|, continue only if not destroyed by above.
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if (pMessage->GetDstTarget())
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CFWL_Widget::OnProcessMessage(pMessage);
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}
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void CFWL_DateTimePicker::OnDrawWidget(CFGAS_GEGraphics* pGraphics,
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const CFX_Matrix& matrix) {
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DrawWidget(pGraphics, matrix);
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}
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void CFWL_DateTimePicker::OnFocusGained(CFWL_Message* pMsg) {
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m_Properties.m_dwStates |= FWL_STATE_WGT_Focused;
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if (m_pEdit && !(m_pEdit->GetStyleExts() & FWL_STYLEEXT_EDT_ReadOnly)) {
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m_BtnRect =
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CFX_RectF(m_WidgetRect.width, 0, m_fBtn, m_WidgetRect.height - 1);
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}
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CFX_RectF rtInvalidate(m_BtnRect);
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pMsg->SetDstTarget(m_pEdit);
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m_pEdit->GetDelegate()->OnProcessMessage(pMsg);
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rtInvalidate.Inflate(2, 2);
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RepaintRect(rtInvalidate);
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}
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void CFWL_DateTimePicker::OnFocusLost(CFWL_Message* pMsg) {
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CFX_RectF rtInvalidate(m_BtnRect);
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m_Properties.m_dwStates &= ~FWL_STATE_WGT_Focused;
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m_BtnRect = CFX_RectF();
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HideMonthCalendar();
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if (m_pEdit->GetStates() & FWL_STATE_WGT_Focused)
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m_pEdit->GetDelegate()->OnProcessMessage(pMsg);
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rtInvalidate.Inflate(2, 2);
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RepaintRect(rtInvalidate);
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}
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void CFWL_DateTimePicker::OnLButtonDown(CFWL_MessageMouse* pMsg) {
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if (!pMsg)
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return;
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if (!m_BtnRect.Contains(pMsg->m_pos))
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return;
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if (IsMonthCalendarVisible()) {
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HideMonthCalendar();
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return;
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}
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ShowMonthCalendar();
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m_bLBtnDown = true;
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RepaintRect(m_ClientRect);
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}
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void CFWL_DateTimePicker::OnLButtonUp(CFWL_MessageMouse* pMsg) {
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if (!pMsg)
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return;
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m_bLBtnDown = false;
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if (m_BtnRect.Contains(pMsg->m_pos))
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m_iBtnState = CFWL_PartState::kHovered;
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else
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m_iBtnState = CFWL_PartState::kNormal;
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RepaintRect(m_BtnRect);
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}
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void CFWL_DateTimePicker::OnMouseMove(CFWL_MessageMouse* pMsg) {
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if (!m_BtnRect.Contains(pMsg->m_pos))
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m_iBtnState = CFWL_PartState::kNormal;
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RepaintRect(m_BtnRect);
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}
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void CFWL_DateTimePicker::OnMouseLeave(CFWL_MessageMouse* pMsg) {
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if (!pMsg)
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return;
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m_iBtnState = CFWL_PartState::kNormal;
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RepaintRect(m_BtnRect);
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}
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void CFWL_DateTimePicker::GetPopupPos(float fMinHeight,
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float fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF* pPopupRect) {
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GetWidgetMgr()->GetAdapterPopupPos(this, fMinHeight, fMaxHeight, rtAnchor,
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pPopupRect);
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}
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void CFWL_DateTimePicker::ClearText() {
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m_pEdit->ClearText();
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}
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void CFWL_DateTimePicker::SelectAll() {
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m_pEdit->SelectAll();
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}
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void CFWL_DateTimePicker::ClearSelection() {
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m_pEdit->ClearSelection();
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}
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absl::optional<WideString> CFWL_DateTimePicker::Copy() {
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return m_pEdit->Copy();
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}
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absl::optional<WideString> CFWL_DateTimePicker::Cut() {
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return m_pEdit->Cut();
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}
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bool CFWL_DateTimePicker::Paste(const WideString& wsPaste) {
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return m_pEdit->Paste(wsPaste);
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}
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bool CFWL_DateTimePicker::Undo() {
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return m_pEdit->Undo();
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}
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bool CFWL_DateTimePicker::Redo() {
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return m_pEdit->Redo();
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}
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bool CFWL_DateTimePicker::CanUndo() {
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return m_pEdit->CanUndo();
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}
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bool CFWL_DateTimePicker::CanRedo() {
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return m_pEdit->CanRedo();
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}
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