blob: fad9a9b37a8e45c785c7f1ababea649418f8f9f5 [file] [log] [blame]
// Copyright 2017 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/fxfa/cxfa_fftextedit.h"
#include <utility>
#include "xfa/fwl/cfwl_datetimepicker.h"
#include "xfa/fwl/cfwl_edit.h"
#include "xfa/fwl/cfwl_eventcheckword.h"
#include "xfa/fwl/cfwl_eventtarget.h"
#include "xfa/fwl/cfwl_eventtextchanged.h"
#include "xfa/fwl/cfwl_messagekillfocus.h"
#include "xfa/fwl/cfwl_messagesetfocus.h"
#include "xfa/fwl/cfwl_notedriver.h"
#include "xfa/fxfa/cxfa_eventparam.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/cxfa_para.h"
namespace {
CFWL_Edit* ToEdit(CFWL_Widget* widget) {
return static_cast<CFWL_Edit*>(widget);
}
} // namespace
CXFA_FFTextEdit::CXFA_FFTextEdit(CXFA_Node* pNode)
: CXFA_FFField(pNode), m_pOldDelegate(nullptr) {}
CXFA_FFTextEdit::~CXFA_FFTextEdit() {
if (m_pNormalWidget) {
CFWL_NoteDriver* pNoteDriver =
m_pNormalWidget->GetOwnerApp()->GetNoteDriver();
pNoteDriver->UnregisterEventTarget(m_pNormalWidget.get());
}
}
bool CXFA_FFTextEdit::LoadWidget() {
auto pNewWidget = pdfium::MakeUnique<CFWL_Edit>(
GetFWLApp(), pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr);
CFWL_Edit* pFWLEdit = pNewWidget.get();
m_pNormalWidget = std::move(pNewWidget);
m_pNormalWidget->SetLayoutItem(this);
CFWL_NoteDriver* pNoteDriver =
m_pNormalWidget->GetOwnerApp()->GetNoteDriver();
pNoteDriver->RegisterEventTarget(m_pNormalWidget.get(),
m_pNormalWidget.get());
m_pOldDelegate = m_pNormalWidget->GetDelegate();
m_pNormalWidget->SetDelegate(this);
m_pNormalWidget->LockUpdate();
UpdateWidgetProperty();
pFWLEdit->SetText(
m_pNode->GetWidgetAcc()->GetValue(XFA_VALUEPICTURE_Display));
m_pNormalWidget->UnlockUpdate();
return CXFA_FFField::LoadWidget();
}
void CXFA_FFTextEdit::UpdateWidgetProperty() {
CFWL_Edit* pWidget = static_cast<CFWL_Edit*>(m_pNormalWidget.get());
if (!pWidget)
return;
uint32_t dwStyle = 0;
uint32_t dwExtendedStyle =
FWL_STYLEEXT_EDT_ShowScrollbarFocus | FWL_STYLEEXT_EDT_OuterScrollbar;
dwExtendedStyle |= UpdateUIProperty();
if (m_pNode->GetWidgetAcc()->IsMultiLine()) {
dwExtendedStyle |= FWL_STYLEEXT_EDT_MultiLine | FWL_STYLEEXT_EDT_WantReturn;
if (!m_pNode->GetWidgetAcc()->IsVerticalScrollPolicyOff()) {
dwStyle |= FWL_WGTSTYLE_VScroll;
dwExtendedStyle |= FWL_STYLEEXT_EDT_AutoVScroll;
}
} else if (!m_pNode->GetWidgetAcc()->IsHorizontalScrollPolicyOff()) {
dwExtendedStyle |= FWL_STYLEEXT_EDT_AutoHScroll;
}
if (!m_pNode->IsOpenAccess() || !GetDoc()->GetXFADoc()->IsInteractive()) {
dwExtendedStyle |= FWL_STYLEEXT_EDT_ReadOnly;
dwExtendedStyle |= FWL_STYLEEXT_EDT_MultiLine;
}
XFA_Element eType;
int32_t iMaxChars;
std::tie(eType, iMaxChars) = m_pNode->GetWidgetAcc()->GetMaxChars();
if (eType == XFA_Element::ExData)
iMaxChars = 0;
Optional<int32_t> numCells = m_pNode->GetWidgetAcc()->GetNumberOfCells();
if (!numCells) {
pWidget->SetLimit(iMaxChars);
} else if (*numCells == 0) {
dwExtendedStyle |= FWL_STYLEEXT_EDT_CombText;
pWidget->SetLimit(iMaxChars > 0 ? iMaxChars : 1);
} else {
dwExtendedStyle |= FWL_STYLEEXT_EDT_CombText;
pWidget->SetLimit(*numCells);
}
dwExtendedStyle |= GetAlignment();
m_pNormalWidget->ModifyStyles(dwStyle, 0xFFFFFFFF);
m_pNormalWidget->ModifyStylesEx(dwExtendedStyle, 0xFFFFFFFF);
}
bool CXFA_FFTextEdit::OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point) {
if (!PtInActiveRect(point))
return false;
if (!IsFocused()) {
m_dwStatus |= XFA_WidgetStatus_Focused;
UpdateFWLData();
AddInvalidateRect();
}
SetButtonDown(true);
CFWL_MessageMouse ms(nullptr, m_pNormalWidget.get());
ms.m_dwCmd = FWL_MouseCommand::LeftButtonDown;
ms.m_dwFlags = dwFlags;
ms.m_pos = FWLToClient(point);
TranslateFWLMessage(&ms);
return true;
}
bool CXFA_FFTextEdit::OnRButtonDown(uint32_t dwFlags, const CFX_PointF& point) {
if (!m_pNode->IsOpenAccess())
return false;
if (!PtInActiveRect(point))
return false;
if (!IsFocused()) {
m_dwStatus |= XFA_WidgetStatus_Focused;
UpdateFWLData();
AddInvalidateRect();
}
SetButtonDown(true);
CFWL_MessageMouse ms(nullptr, nullptr);
ms.m_dwCmd = FWL_MouseCommand::RightButtonDown;
ms.m_dwFlags = dwFlags;
ms.m_pos = FWLToClient(point);
TranslateFWLMessage(&ms);
return true;
}
bool CXFA_FFTextEdit::OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point) {
if (!CXFA_FFField::OnRButtonUp(dwFlags, point))
return false;
GetDoc()->GetDocEnvironment()->PopupMenu(this, point);
return true;
}
bool CXFA_FFTextEdit::OnSetFocus(CXFA_FFWidget* pOldWidget) {
m_dwStatus &= ~XFA_WidgetStatus_TextEditValueChanged;
if (!IsFocused()) {
m_dwStatus |= XFA_WidgetStatus_Focused;
UpdateFWLData();
AddInvalidateRect();
}
CXFA_FFWidget::OnSetFocus(pOldWidget);
CFWL_MessageSetFocus ms(nullptr, m_pNormalWidget.get());
TranslateFWLMessage(&ms);
return true;
}
bool CXFA_FFTextEdit::OnKillFocus(CXFA_FFWidget* pNewWidget) {
CFWL_MessageKillFocus ms(nullptr, m_pNormalWidget.get());
TranslateFWLMessage(&ms);
m_dwStatus &= ~XFA_WidgetStatus_Focused;
SetEditScrollOffset();
ProcessCommittedData();
UpdateFWLData();
AddInvalidateRect();
CXFA_FFWidget::OnKillFocus(pNewWidget);
m_dwStatus &= ~XFA_WidgetStatus_TextEditValueChanged;
return true;
}
bool CXFA_FFTextEdit::CommitData() {
WideString wsText = static_cast<CFWL_Edit*>(m_pNormalWidget.get())->GetText();
if (m_pNode->GetWidgetAcc()->SetValue(XFA_VALUEPICTURE_Edit, wsText)) {
m_pNode->GetWidgetAcc()->UpdateUIDisplay(GetDoc()->GetDocView(), this);
return true;
}
ValidateNumberField(wsText);
return false;
}
void CXFA_FFTextEdit::ValidateNumberField(const WideString& wsText) {
CXFA_WidgetAcc* pAcc = GetNode()->GetWidgetAcc();
if (!pAcc || pAcc->GetUIType() != XFA_Element::NumericEdit)
return;
IXFA_AppProvider* pAppProvider = GetApp()->GetAppProvider();
if (!pAppProvider)
return;
WideString wsSomField = pAcc->GetNode()->GetSOMExpression();
pAppProvider->MsgBox(WideString::Format(L"%ls can not contain %ls",
wsText.c_str(), wsSomField.c_str()),
pAppProvider->GetAppTitle(), XFA_MBICON_Error,
XFA_MB_OK);
}
bool CXFA_FFTextEdit::IsDataChanged() {
return (m_dwStatus & XFA_WidgetStatus_TextEditValueChanged) != 0;
}
uint32_t CXFA_FFTextEdit::GetAlignment() {
CXFA_Para* para = m_pNode->GetParaIfExists();
if (!para)
return 0;
uint32_t dwExtendedStyle = 0;
switch (para->GetHorizontalAlign()) {
case XFA_AttributeEnum::Center:
dwExtendedStyle |= FWL_STYLEEXT_EDT_HCenter;
break;
case XFA_AttributeEnum::Justify:
dwExtendedStyle |= FWL_STYLEEXT_EDT_Justified;
break;
case XFA_AttributeEnum::JustifyAll:
case XFA_AttributeEnum::Radix:
break;
case XFA_AttributeEnum::Right:
dwExtendedStyle |= FWL_STYLEEXT_EDT_HFar;
break;
default:
dwExtendedStyle |= FWL_STYLEEXT_EDT_HNear;
break;
}
switch (para->GetVerticalAlign()) {
case XFA_AttributeEnum::Middle:
dwExtendedStyle |= FWL_STYLEEXT_EDT_VCenter;
break;
case XFA_AttributeEnum::Bottom:
dwExtendedStyle |= FWL_STYLEEXT_EDT_VFar;
break;
default:
dwExtendedStyle |= FWL_STYLEEXT_EDT_VNear;
break;
}
return dwExtendedStyle;
}
bool CXFA_FFTextEdit::UpdateFWLData() {
if (!m_pNormalWidget)
return false;
CFWL_Edit* pEdit = static_cast<CFWL_Edit*>(m_pNormalWidget.get());
XFA_VALUEPICTURE eType = XFA_VALUEPICTURE_Display;
if (IsFocused())
eType = XFA_VALUEPICTURE_Edit;
bool bUpdate = false;
if (m_pNode->GetWidgetAcc()->GetUIType() == XFA_Element::TextEdit &&
!m_pNode->GetWidgetAcc()->GetNumberOfCells()) {
XFA_Element elementType;
int32_t iMaxChars;
std::tie(elementType, iMaxChars) = m_pNode->GetWidgetAcc()->GetMaxChars();
if (elementType == XFA_Element::ExData)
iMaxChars = eType == XFA_VALUEPICTURE_Edit ? iMaxChars : 0;
if (pEdit->GetLimit() != iMaxChars) {
pEdit->SetLimit(iMaxChars);
bUpdate = true;
}
} else if (m_pNode->GetWidgetAcc()->GetUIType() == XFA_Element::Barcode) {
int32_t nDataLen = 0;
if (eType == XFA_VALUEPICTURE_Edit)
nDataLen = m_pNode->GetBarcodeAttribute_DataLength().value_or(0);
pEdit->SetLimit(nDataLen);
bUpdate = true;
}
WideString wsText = m_pNode->GetWidgetAcc()->GetValue(eType);
WideString wsOldText = pEdit->GetText();
if (wsText != wsOldText || (eType == XFA_VALUEPICTURE_Edit && bUpdate)) {
pEdit->SetText(wsText);
bUpdate = true;
}
if (bUpdate)
m_pNormalWidget->Update();
return true;
}
void CXFA_FFTextEdit::OnTextChanged(CFWL_Widget* pWidget,
const WideString& wsChanged,
const WideString& wsPrevText) {
m_dwStatus |= XFA_WidgetStatus_TextEditValueChanged;
CXFA_EventParam eParam;
eParam.m_eType = XFA_EVENT_Change;
eParam.m_wsChange = wsChanged;
eParam.m_pTarget = m_pNode->GetWidgetAcc();
eParam.m_wsPrevText = wsPrevText;
CFWL_Edit* pEdit = static_cast<CFWL_Edit*>(m_pNormalWidget.get());
if (m_pNode->GetWidgetAcc()->GetUIType() == XFA_Element::DateTimeEdit) {
CFWL_DateTimePicker* pDateTime = (CFWL_DateTimePicker*)pEdit;
eParam.m_wsNewText = pDateTime->GetEditText();
if (pDateTime->HasSelection()) {
size_t count;
std::tie(eParam.m_iSelStart, count) = pDateTime->GetSelection();
eParam.m_iSelEnd = eParam.m_iSelStart + count;
}
} else {
eParam.m_wsNewText = pEdit->GetText();
if (pEdit->HasSelection())
std::tie(eParam.m_iSelStart, eParam.m_iSelEnd) = pEdit->GetSelection();
}
m_pNode->ProcessEvent(GetDocView(), XFA_AttributeEnum::Change, &eParam);
}
void CXFA_FFTextEdit::OnTextFull(CFWL_Widget* pWidget) {
CXFA_EventParam eParam;
eParam.m_eType = XFA_EVENT_Full;
eParam.m_pTarget = m_pNode->GetWidgetAcc();
m_pNode->ProcessEvent(GetDocView(), XFA_AttributeEnum::Full, &eParam);
}
bool CXFA_FFTextEdit::CheckWord(const ByteStringView& sWord) {
return sWord.IsEmpty() ||
m_pNode->GetWidgetAcc()->GetUIType() != XFA_Element::TextEdit;
}
void CXFA_FFTextEdit::OnProcessMessage(CFWL_Message* pMessage) {
m_pOldDelegate->OnProcessMessage(pMessage);
}
void CXFA_FFTextEdit::OnProcessEvent(CFWL_Event* pEvent) {
CXFA_FFField::OnProcessEvent(pEvent);
switch (pEvent->GetType()) {
case CFWL_Event::Type::TextChanged: {
CFWL_EventTextChanged* event =
static_cast<CFWL_EventTextChanged*>(pEvent);
WideString wsChange;
OnTextChanged(m_pNormalWidget.get(), wsChange, event->wsPrevText);
break;
}
case CFWL_Event::Type::TextFull: {
OnTextFull(m_pNormalWidget.get());
break;
}
case CFWL_Event::Type::CheckWord: {
WideString wstr(L"FWL_EVENT_DTP_SelectChanged");
CFWL_EventCheckWord* event = static_cast<CFWL_EventCheckWord*>(pEvent);
event->bCheckWord = CheckWord(event->bsWord.AsStringView());
break;
}
default:
break;
}
m_pOldDelegate->OnProcessEvent(pEvent);
}
void CXFA_FFTextEdit::OnDrawWidget(CXFA_Graphics* pGraphics,
const CFX_Matrix& matrix) {
m_pOldDelegate->OnDrawWidget(pGraphics, matrix);
}
bool CXFA_FFTextEdit::CanUndo() {
return ToEdit(m_pNormalWidget.get())->CanUndo();
}
bool CXFA_FFTextEdit::CanRedo() {
return ToEdit(m_pNormalWidget.get())->CanRedo();
}
bool CXFA_FFTextEdit::Undo() {
return ToEdit(m_pNormalWidget.get())->Undo();
}
bool CXFA_FFTextEdit::Redo() {
return ToEdit(m_pNormalWidget.get())->Redo();
}
bool CXFA_FFTextEdit::CanCopy() {
return ToEdit(m_pNormalWidget.get())->HasSelection();
}
bool CXFA_FFTextEdit::CanCut() {
if (ToEdit(m_pNormalWidget.get())->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly)
return false;
return ToEdit(m_pNormalWidget.get())->HasSelection();
}
bool CXFA_FFTextEdit::CanPaste() {
return !(ToEdit(m_pNormalWidget.get())->GetStylesEx() &
FWL_STYLEEXT_EDT_ReadOnly);
}
bool CXFA_FFTextEdit::CanSelectAll() {
return ToEdit(m_pNormalWidget.get())->GetTextLength() > 0;
}
Optional<WideString> CXFA_FFTextEdit::Copy() {
return ToEdit(m_pNormalWidget.get())->Copy();
}
Optional<WideString> CXFA_FFTextEdit::Cut() {
return ToEdit(m_pNormalWidget.get())->Cut();
}
bool CXFA_FFTextEdit::Paste(const WideString& wsPaste) {
return ToEdit(m_pNormalWidget.get())->Paste(wsPaste);
}
void CXFA_FFTextEdit::SelectAll() {
ToEdit(m_pNormalWidget.get())->SelectAll();
}
void CXFA_FFTextEdit::Delete() {
ToEdit(m_pNormalWidget.get())->ClearText();
}
void CXFA_FFTextEdit::DeSelect() {
ToEdit(m_pNormalWidget.get())->ClearSelection();
}
FormFieldType CXFA_FFTextEdit::GetFormFieldType() {
return FormFieldType::kXFA_TextField;
}