// 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/parser/cxfa_node.h" CXFA_FFTextEdit::CXFA_FFTextEdit(CXFA_WidgetAcc* pDataAcc) : CXFA_FFField(pDataAcc), 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(); CFX_WideString wsText; m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Display); pFWLEdit->SetText(wsText); 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_pDataAcc->IsMultiLine()) { dwExtendedStyle |= FWL_STYLEEXT_EDT_MultiLine | FWL_STYLEEXT_EDT_WantReturn; if (m_pDataAcc->GetVerticalScrollPolicy() != XFA_ATTRIBUTEENUM_Off) { dwStyle |= FWL_WGTSTYLE_VScroll; dwExtendedStyle |= FWL_STYLEEXT_EDT_AutoVScroll; } } else if (m_pDataAcc->GetHorizontalScrollPolicy() != XFA_ATTRIBUTEENUM_Off) { dwExtendedStyle |= FWL_STYLEEXT_EDT_AutoHScroll; } if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open || !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) { dwExtendedStyle |= FWL_STYLEEXT_EDT_ReadOnly; dwExtendedStyle |= FWL_STYLEEXT_EDT_MultiLine; } XFA_Element eType = XFA_Element::Unknown; int32_t iMaxChars = m_pDataAcc->GetMaxChars(eType); if (eType == XFA_Element::ExData) iMaxChars = 0; int32_t iNumCells = m_pDataAcc->GetNumberOfCells(); if (iNumCells == 0) { dwExtendedStyle |= FWL_STYLEEXT_EDT_CombText; pWidget->SetLimit(iMaxChars > 0 ? iMaxChars : 1); } else if (iNumCells > 0) { dwExtendedStyle |= FWL_STYLEEXT_EDT_CombText; pWidget->SetLimit(iNumCells); } else { pWidget->SetLimit(iMaxChars); } 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_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open) 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() { CFX_WideString wsText = static_cast<CFWL_Edit*>(m_pNormalWidget.get())->GetText(); if (m_pDataAcc->SetValue(wsText, XFA_VALUEPICTURE_Edit)) { m_pDataAcc->UpdateUIDisplay(this); return true; } ValidateNumberField(wsText); return false; } void CXFA_FFTextEdit::ValidateNumberField(const CFX_WideString& wsText) { CXFA_WidgetAcc* pAcc = GetDataAcc(); if (!pAcc || pAcc->GetUIType() != XFA_Element::NumericEdit) return; IXFA_AppProvider* pAppProvider = GetApp()->GetAppProvider(); if (!pAppProvider) return; CFX_WideString wsSomField; pAcc->GetNode()->GetSOMExpression(wsSomField); CFX_WideString wsMessage; wsMessage.Format(L"%s can not contain %s", wsText.c_str(), wsSomField.c_str()); pAppProvider->MsgBox(wsMessage, 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_pDataAcc->GetPara(); 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_pDataAcc->GetUIType() == XFA_Element::TextEdit && m_pDataAcc->GetNumberOfCells() < 0) { XFA_Element elementType = XFA_Element::Unknown; int32_t iMaxChars = m_pDataAcc->GetMaxChars(elementType); if (elementType == XFA_Element::ExData) iMaxChars = eType == XFA_VALUEPICTURE_Edit ? iMaxChars : 0; if (pEdit->GetLimit() != iMaxChars) { pEdit->SetLimit(iMaxChars); bUpdate = true; } } else if (m_pDataAcc->GetUIType() == XFA_Element::Barcode) { int32_t nDataLen = 0; if (eType == XFA_VALUEPICTURE_Edit) m_pDataAcc->GetBarcodeAttribute_DataLength(&nDataLen); pEdit->SetLimit(nDataLen); bUpdate = true; } CFX_WideString wsText; m_pDataAcc->GetValue(wsText, eType); CFX_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 CFX_WideString& wsChanged, const CFX_WideString& wsPrevText) { m_dwStatus |= XFA_WidgetStatus_TextEditValueChanged; CXFA_EventParam eParam; eParam.m_eType = XFA_EVENT_Change; eParam.m_wsChange = wsChanged; eParam.m_pTarget = m_pDataAcc.Get(); eParam.m_wsPrevText = wsPrevText; CFWL_Edit* pEdit = static_cast<CFWL_Edit*>(m_pNormalWidget.get()); if (m_pDataAcc->GetUIType() == XFA_Element::DateTimeEdit) { CFWL_DateTimePicker* pDateTime = (CFWL_DateTimePicker*)pEdit; eParam.m_wsNewText = pDateTime->GetEditText(); if (pDateTime->HasSelection()) { std::tie(eParam.m_iSelStart, eParam.m_iSelEnd) = pDateTime->GetSelection(); } } else { eParam.m_wsNewText = pEdit->GetText(); if (pEdit->HasSelection()) std::tie(eParam.m_iSelStart, eParam.m_iSelEnd) = pEdit->GetSelection(); } m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Change, &eParam); } void CXFA_FFTextEdit::OnTextFull(CFWL_Widget* pWidget) { CXFA_EventParam eParam; eParam.m_eType = XFA_EVENT_Full; eParam.m_pTarget = m_pDataAcc.Get(); m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Full, &eParam); } bool CXFA_FFTextEdit::CheckWord(const CFX_ByteStringC& sWord) { return sWord.IsEmpty() || m_pDataAcc->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); CFX_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: { CFX_WideString wstr(L"FWL_EVENT_DTP_SelectChanged"); CFWL_EventCheckWord* event = static_cast<CFWL_EventCheckWord*>(pEvent); event->bCheckWord = CheckWord(event->bsWord.AsStringC()); break; } default: break; } m_pOldDelegate->OnProcessEvent(pEvent); } void CXFA_FFTextEdit::OnDrawWidget(CXFA_Graphics* pGraphics, const CFX_Matrix& matrix) { m_pOldDelegate->OnDrawWidget(pGraphics, matrix); }