| // 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_combobox.h" |
| |
| #include <utility> |
| |
| #include "constants/form_flags.h" |
| #include "core/fpdfdoc/cba_fontmap.h" |
| #include "fpdfsdk/cpdfsdk_formfillenvironment.h" |
| #include "fpdfsdk/cpdfsdk_widget.h" |
| #include "fpdfsdk/formfiller/cffl_interactiveformfiller.h" |
| #include "fpdfsdk/pwl/cpwl_combo_box.h" |
| |
| CFFL_ComboBox::CFFL_ComboBox(CPDFSDK_FormFillEnvironment* pApp, |
| CPDFSDK_Widget* pWidget) |
| : CFFL_TextObject(pApp, pWidget) {} |
| |
| CFFL_ComboBox::~CFFL_ComboBox() { |
| 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(); |
| } |
| |
| CPWL_Wnd::CreateParams CFFL_ComboBox::GetCreateParam() { |
| CPWL_Wnd::CreateParams cp = CFFL_TextObject::GetCreateParam(); |
| if (m_pWidget->GetFieldFlags() & pdfium::form_flags::kChoiceEdit) |
| cp.dwFlags |= PCBS_ALLOWCUSTOMTEXT; |
| |
| cp.pFontMap = MaybeCreateFontMap(); |
| cp.pFocusHandler = this; |
| return cp; |
| } |
| |
| std::unique_ptr<CPWL_Wnd> CFFL_ComboBox::NewPWLWindow( |
| const CPWL_Wnd::CreateParams& cp, |
| std::unique_ptr<IPWL_SystemHandler::PerWindowData> pAttachedData) { |
| auto pWnd = std::make_unique<CPWL_ComboBox>(cp, std::move(pAttachedData)); |
| pWnd->AttachFFLData(this); |
| pWnd->Realize(); |
| |
| CFFL_InteractiveFormFiller* pFormFiller = |
| m_pFormFillEnv->GetInteractiveFormFiller(); |
| pWnd->SetFillerNotify(pFormFiller); |
| |
| int32_t nCurSel = m_pWidget->GetSelectedIndex(0); |
| WideString swText; |
| if (nCurSel < 0) |
| swText = m_pWidget->GetValue(); |
| else |
| swText = m_pWidget->GetOptionLabel(nCurSel); |
| |
| for (int32_t i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) |
| pWnd->AddString(m_pWidget->GetOptionLabel(i)); |
| |
| pWnd->SetSelect(nCurSel); |
| pWnd->SetText(swText); |
| return std::move(pWnd); |
| } |
| |
| bool CFFL_ComboBox::OnChar(CPDFSDK_Annot* pAnnot, |
| uint32_t nChar, |
| uint32_t nFlags) { |
| return CFFL_TextObject::OnChar(pAnnot, nChar, nFlags); |
| } |
| |
| bool CFFL_ComboBox::IsDataChanged(CPDFSDK_PageView* pPageView) { |
| auto* pWnd = GetComboBox(pPageView, false); |
| if (!pWnd) |
| return false; |
| |
| int32_t nCurSel = pWnd->GetSelect(); |
| if (!(m_pWidget->GetFieldFlags() & pdfium::form_flags::kChoiceEdit)) |
| return nCurSel != m_pWidget->GetSelectedIndex(0); |
| |
| if (nCurSel >= 0) |
| return nCurSel != m_pWidget->GetSelectedIndex(0); |
| |
| return pWnd->GetText() != m_pWidget->GetValue(); |
| } |
| |
| void CFFL_ComboBox::SaveData(CPDFSDK_PageView* pPageView) { |
| CPWL_ComboBox* pWnd = GetComboBox(pPageView, false); |
| if (!pWnd) |
| return; |
| |
| WideString swText = pWnd->GetText(); |
| int32_t nCurSel = pWnd->GetSelect(); |
| bool bSetValue = false; |
| if (m_pWidget->GetFieldFlags() & pdfium::form_flags::kChoiceEdit) |
| bSetValue = (nCurSel < 0) || (swText != m_pWidget->GetOptionLabel(nCurSel)); |
| |
| if (bSetValue) { |
| m_pWidget->SetValue(swText, NotificationOption::kDoNotNotify); |
| } else { |
| m_pWidget->GetSelectedIndex(0); |
| m_pWidget->SetOptionSelection(nCurSel, true, |
| NotificationOption::kDoNotNotify); |
| } |
| ObservedPtr<CPDFSDK_Widget> observed_widget(m_pWidget.Get()); |
| ObservedPtr<CFFL_ComboBox> observed_this(this); |
| m_pWidget->ResetFieldAppearance(); |
| if (!observed_widget) |
| return; |
| |
| m_pWidget->UpdateField(); |
| if (!observed_widget || !observed_this) |
| return; |
| |
| SetChangeMark(); |
| } |
| |
| void CFFL_ComboBox::GetActionData(CPDFSDK_PageView* pPageView, |
| CPDF_AAction::AActionType type, |
| CPDFSDK_FieldAction& fa) { |
| switch (type) { |
| case CPDF_AAction::kKeyStroke: |
| if (CPWL_ComboBox* pComboBox = GetComboBox(pPageView, false)) { |
| if (CPWL_Edit* pEdit = pComboBox->GetEdit()) { |
| fa.bFieldFull = pEdit->IsTextFull(); |
| std::tie(fa.nSelStart, fa.nSelEnd) = pEdit->GetSelection(); |
| fa.sValue = pEdit->GetText(); |
| fa.sChangeEx = GetSelectExportText(); |
| |
| if (fa.bFieldFull) { |
| fa.sChange.clear(); |
| fa.sChangeEx.clear(); |
| } |
| } |
| } |
| break; |
| case CPDF_AAction::kValidate: |
| if (CPWL_ComboBox* pComboBox = GetComboBox(pPageView, false)) { |
| if (CPWL_Edit* pEdit = pComboBox->GetEdit()) { |
| fa.sValue = pEdit->GetText(); |
| } |
| } |
| break; |
| case CPDF_AAction::kLoseFocus: |
| case CPDF_AAction::kGetFocus: |
| fa.sValue = m_pWidget->GetValue(); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void CFFL_ComboBox::SetActionData(CPDFSDK_PageView* pPageView, |
| CPDF_AAction::AActionType type, |
| const CPDFSDK_FieldAction& fa) { |
| switch (type) { |
| case CPDF_AAction::kKeyStroke: |
| if (CPWL_ComboBox* pComboBox = GetComboBox(pPageView, false)) { |
| if (CPWL_Edit* pEdit = pComboBox->GetEdit()) { |
| pEdit->SetSelection(fa.nSelStart, fa.nSelEnd); |
| pEdit->ReplaceSelection(fa.sChange); |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void CFFL_ComboBox::SaveState(CPDFSDK_PageView* pPageView) { |
| CPWL_ComboBox* pComboBox = GetComboBox(pPageView, false); |
| if (!pComboBox) |
| return; |
| |
| m_State.nIndex = pComboBox->GetSelect(); |
| |
| CPWL_Edit* pEdit = pComboBox->GetEdit(); |
| if (!pEdit) |
| return; |
| |
| std::tie(m_State.nStart, m_State.nEnd) = pEdit->GetSelection(); |
| m_State.sValue = pEdit->GetText(); |
| } |
| |
| void CFFL_ComboBox::RestoreState(CPDFSDK_PageView* pPageView) { |
| CPWL_ComboBox* pComboBox = GetComboBox(pPageView, true); |
| if (!pComboBox) |
| return; |
| |
| if (m_State.nIndex >= 0) { |
| pComboBox->SetSelect(m_State.nIndex); |
| return; |
| } |
| |
| CPWL_Edit* pEdit = pComboBox->GetEdit(); |
| if (!pEdit) |
| return; |
| |
| pEdit->SetText(m_State.sValue); |
| pEdit->SetSelection(m_State.nStart, m_State.nEnd); |
| } |
| |
| bool CFFL_ComboBox::SetIndexSelected(int index, bool selected) { |
| if (!IsValid() || !selected) |
| return false; |
| |
| if (index < 0 || index >= m_pWidget->CountOptions()) |
| return false; |
| |
| CPWL_ComboBox* pWnd = GetComboBox(GetCurPageView(), false); |
| if (!pWnd) |
| return false; |
| |
| pWnd->SetSelect(index); |
| return true; |
| } |
| |
| bool CFFL_ComboBox::IsIndexSelected(int index) { |
| if (!IsValid()) |
| return false; |
| |
| if (index < 0 || index >= m_pWidget->CountOptions()) |
| return false; |
| |
| CPWL_ComboBox* pWnd = GetComboBox(GetCurPageView(), false); |
| return pWnd && index == pWnd->GetSelect(); |
| } |
| |
| #ifdef PDF_ENABLE_XFA |
| bool CFFL_ComboBox::IsFieldFull(CPDFSDK_PageView* pPageView) { |
| CPWL_ComboBox* pComboBox = GetComboBox(pPageView, false); |
| if (!pComboBox) |
| return false; |
| |
| CPWL_Edit* pEdit = pComboBox->GetEdit(); |
| return pEdit && pEdit->IsTextFull(); |
| } |
| #endif // PDF_ENABLE_XFA |
| |
| void CFFL_ComboBox::OnSetFocus(CPWL_Edit* pEdit) { |
| pEdit->SetCharSet(FX_CHARSET_ChineseSimplified); |
| pEdit->SetReadyToInput(); |
| |
| WideString wsText = pEdit->GetText(); |
| int nCharacters = wsText.GetLength(); |
| ByteString bsUTFText = wsText.ToUTF16LE(); |
| auto* pBuffer = reinterpret_cast<const unsigned short*>(bsUTFText.c_str()); |
| m_pFormFillEnv->OnSetFieldInputFocus(pBuffer, nCharacters, true); |
| } |
| |
| WideString CFFL_ComboBox::GetSelectExportText() { |
| WideString swRet; |
| |
| CPWL_ComboBox* pComboBox = GetComboBox(GetCurPageView(), false); |
| int nExport = pComboBox ? pComboBox->GetSelect() : -1; |
| |
| if (nExport >= 0) { |
| if (CPDF_FormField* pFormField = m_pWidget->GetFormField()) { |
| swRet = pFormField->GetOptionValue(nExport); |
| if (swRet.IsEmpty()) |
| swRet = pFormField->GetOptionLabel(nExport); |
| } |
| } |
| |
| return swRet; |
| } |
| |
| CPWL_ComboBox* CFFL_ComboBox::GetComboBox(CPDFSDK_PageView* pPageView, |
| bool bNew) { |
| return static_cast<CPWL_ComboBox*>(GetPWLWindow(pPageView, bNew)); |
| } |