// 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. http://www.foxitsoftware.com #include "fpdfsdk/formfiller/cffl_textfield.h" #include "fpdfsdk/cpdfsdk_formfillenvironment.h" #include "fpdfsdk/cpdfsdk_widget.h" #include "fpdfsdk/formfiller/cba_fontmap.h" #include "fpdfsdk/fsdk_common.h" #include "third_party/base/ptr_util.h" CFFL_TextField::CFFL_TextField(CPDFSDK_FormFillEnvironment* pApp, CPDFSDK_Annot* pAnnot) : CFFL_FormFiller(pApp, pAnnot) {} CFFL_TextField::~CFFL_TextField() { for (const auto& it : m_Maps) it.second->InvalidateFocusHandler(this); // See comment in cffl_formfiller.h. // The font map should be stored somewhere more appropriate so it will live // until the PWL_Edit is done with it. pdfium:566 DestroyWindows(); } PWL_CREATEPARAM CFFL_TextField::GetCreateParam() { PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam(); int nFlags = m_pWidget->GetFieldFlags(); if (nFlags & FIELDFLAG_PASSWORD) { cp.dwFlags |= PES_PASSWORD; } if (nFlags & FIELDFLAG_MULTILINE) { cp.dwFlags |= PES_MULTILINE | PES_AUTORETURN | PES_TOP; if (!(nFlags & FIELDFLAG_DONOTSCROLL)) { cp.dwFlags |= PWS_VSCROLL | PES_AUTOSCROLL; } } else { cp.dwFlags |= PES_CENTER; if (!(nFlags & FIELDFLAG_DONOTSCROLL)) { cp.dwFlags |= PES_AUTOSCROLL; } } if (nFlags & FIELDFLAG_COMB) { cp.dwFlags |= PES_CHARARRAY; } if (nFlags & FIELDFLAG_RICHTEXT) { cp.dwFlags |= PES_RICH; } cp.dwFlags |= PES_UNDO; switch (m_pWidget->GetAlignment()) { default: case BF_ALIGN_LEFT: cp.dwFlags |= PES_LEFT; break; case BF_ALIGN_MIDDLE: cp.dwFlags |= PES_MIDDLE; break; case BF_ALIGN_RIGHT: cp.dwFlags |= PES_RIGHT; break; } if (!m_pFontMap) { m_pFontMap = pdfium::MakeUnique<CBA_FontMap>( m_pWidget, m_pFormFillEnv->GetSysHandler()); } cp.pFontMap = m_pFontMap.get(); cp.pFocusHandler = this; return cp; } CPWL_Wnd* CFFL_TextField::NewPDFWindow(const PWL_CREATEPARAM& cp, CPDFSDK_PageView* pPageView) { CPWL_Edit* pWnd = new CPWL_Edit(); pWnd->AttachFFLData(this); pWnd->Create(cp); pWnd->SetFillerNotify(m_pFormFillEnv->GetInteractiveFormFiller()); int32_t nMaxLen = m_pWidget->GetMaxLen(); CFX_WideString swValue = m_pWidget->GetValue(); if (nMaxLen > 0) { if (pWnd->HasFlag(PES_CHARARRAY)) { pWnd->SetCharArray(nMaxLen); pWnd->SetAlignFormatV(PEAV_CENTER); } else { pWnd->SetLimitChar(nMaxLen); } } pWnd->SetText(swValue); return pWnd; } bool CFFL_TextField::OnChar(CPDFSDK_Annot* pAnnot, uint32_t nChar, uint32_t nFlags) { switch (nChar) { case FWL_VKEY_Return: if (!(m_pWidget->GetFieldFlags() & FIELDFLAG_MULTILINE)) { CPDFSDK_PageView* pPageView = GetCurPageView(true); ASSERT(pPageView); m_bValid = !m_bValid; m_pFormFillEnv->Invalidate(pAnnot->GetUnderlyingPage(), pAnnot->GetRect().ToFxRect()); if (m_bValid) { if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, true)) pWnd->SetFocus(); } else { if (CommitData(pPageView, nFlags)) { DestroyPDFWindow(pPageView); return true; } return false; } } break; case FWL_VKEY_Escape: { CPDFSDK_PageView* pPageView = GetCurPageView(true); ASSERT(pPageView); EscapeFiller(pPageView, true); return true; } } return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags); } bool CFFL_TextField::IsDataChanged(CPDFSDK_PageView* pPageView) { if (CPWL_Edit* pEdit = (CPWL_Edit*)GetPDFWindow(pPageView, false)) return pEdit->GetText() != m_pWidget->GetValue(); return false; } void CFFL_TextField::SaveData(CPDFSDK_PageView* pPageView) { if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, false)) { CFX_WideString sOldValue = m_pWidget->GetValue(); CFX_WideString sNewValue = pWnd->GetText(); m_pWidget->SetValue(sNewValue, false); m_pWidget->ResetFieldAppearance(true); m_pWidget->UpdateField(); SetChangeMark(); } } void CFFL_TextField::GetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type, PDFSDK_FieldAction& fa) { switch (type) { case CPDF_AAction::KeyStroke: if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, false)) { fa.bFieldFull = pWnd->IsTextFull(); fa.sValue = pWnd->GetText(); if (fa.bFieldFull) { fa.sChange = L""; fa.sChangeEx = L""; } } break; case CPDF_AAction::Validate: if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, false)) { fa.sValue = pWnd->GetText(); } break; case CPDF_AAction::LoseFocus: case CPDF_AAction::GetFocus: fa.sValue = m_pWidget->GetValue(); break; default: break; } } void CFFL_TextField::SetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type, const PDFSDK_FieldAction& fa) { switch (type) { case CPDF_AAction::KeyStroke: if (CPWL_Edit* pEdit = (CPWL_Edit*)GetPDFWindow(pPageView, false)) { pEdit->SetFocus(); pEdit->SetSel(fa.nSelStart, fa.nSelEnd); pEdit->ReplaceSel(fa.sChange); } break; default: break; } } bool CFFL_TextField::IsActionDataChanged(CPDF_AAction::AActionType type, const PDFSDK_FieldAction& faOld, const PDFSDK_FieldAction& faNew) { switch (type) { case CPDF_AAction::KeyStroke: return (!faOld.bFieldFull && faOld.nSelEnd != faNew.nSelEnd) || faOld.nSelStart != faNew.nSelStart || faOld.sChange != faNew.sChange; default: break; } return false; } void CFFL_TextField::SaveState(CPDFSDK_PageView* pPageView) { ASSERT(pPageView); if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, false)) { pWnd->GetSel(m_State.nStart, m_State.nEnd); m_State.sValue = pWnd->GetText(); } } void CFFL_TextField::RestoreState(CPDFSDK_PageView* pPageView) { ASSERT(pPageView); if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, true)) { pWnd->SetText(m_State.sValue); pWnd->SetSel(m_State.nStart, m_State.nEnd); } } CPWL_Wnd* CFFL_TextField::ResetPDFWindow(CPDFSDK_PageView* pPageView, bool bRestoreValue) { if (bRestoreValue) SaveState(pPageView); DestroyPDFWindow(pPageView); CPWL_Wnd* pRet = nullptr; if (bRestoreValue) { RestoreState(pPageView); pRet = GetPDFWindow(pPageView, false); } else { pRet = GetPDFWindow(pPageView, true); } m_pWidget->UpdateField(); return pRet; } #ifdef PDF_ENABLE_XFA bool CFFL_TextField::IsFieldFull(CPDFSDK_PageView* pPageView) { if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, false)) { return pWnd->IsTextFull(); } return false; } #endif // PDF_ENABLE_XFA void CFFL_TextField::OnSetFocus(CPWL_Wnd* pWnd) { ASSERT(m_pFormFillEnv); if (pWnd->GetClassName() != PWL_CLASSNAME_EDIT) return; CPWL_Edit* pEdit = (CPWL_Edit*)pWnd; pEdit->SetCharSet(FXFONT_GB2312_CHARSET); pEdit->SetReadyToInput(); CFX_WideString wsText = pEdit->GetText(); int nCharacters = wsText.GetLength(); CFX_ByteString bsUTFText = wsText.UTF16LE_Encode(); auto* pBuffer = reinterpret_cast<const unsigned short*>(bsUTFText.c_str()); m_pFormFillEnv->OnSetFieldInputFocus(pBuffer, nCharacters, true); }