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