| // 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/include/formfiller/FFL_ComboBox.h" |
| |
| #include "fpdfsdk/include/formfiller/FFL_CBA_Fontmap.h" |
| #include "fpdfsdk/include/formfiller/FFL_FormFiller.h" |
| #include "fpdfsdk/include/formfiller/FFL_IFormFiller.h" |
| #include "fpdfsdk/include/fsdk_common.h" |
| #include "fpdfsdk/include/fsdk_mgr.h" |
| #include "fpdfsdk/include/pdfwindow/PWL_ComboBox.h" |
| |
| CFFL_ComboBox::CFFL_ComboBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot) |
| : CFFL_FormFiller(pApp, pAnnot), m_pFontMap(NULL) { |
| m_State.nIndex = 0; |
| m_State.nStart = 0; |
| m_State.nEnd = 0; |
| } |
| |
| CFFL_ComboBox::~CFFL_ComboBox() { |
| for (const auto& it : m_Maps) |
| it.second->InvalidateFocusHandler(this); |
| delete m_pFontMap; |
| } |
| |
| PWL_CREATEPARAM CFFL_ComboBox::GetCreateParam() { |
| PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam(); |
| |
| int nFlags = m_pWidget->GetFieldFlags(); |
| if (nFlags & FIELDFLAG_EDIT) { |
| cp.dwFlags |= PCBS_ALLOWCUSTOMTEXT; |
| } |
| |
| if (!m_pFontMap) |
| m_pFontMap = new CBA_FontMap(m_pWidget, GetSystemHandler()); |
| cp.pFontMap = m_pFontMap; |
| cp.pFocusHandler = this; |
| |
| return cp; |
| } |
| |
| CPWL_Wnd* CFFL_ComboBox::NewPDFWindow(const PWL_CREATEPARAM& cp, |
| CPDFSDK_PageView* pPageView) { |
| CPWL_ComboBox* pWnd = new CPWL_ComboBox(); |
| pWnd->AttachFFLData(this); |
| pWnd->Create(cp); |
| |
| CFFL_IFormFiller* pFormFiller = m_pApp->GetIFormFiller(); |
| pWnd->SetFillerNotify(pFormFiller); |
| |
| int32_t nCurSel = m_pWidget->GetSelectedIndex(0); |
| CFX_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).c_str()); |
| } |
| |
| pWnd->SetSelect(nCurSel); |
| pWnd->SetText(swText.c_str()); |
| return pWnd; |
| } |
| |
| FX_BOOL CFFL_ComboBox::OnChar(CPDFSDK_Annot* pAnnot, |
| FX_UINT nChar, |
| FX_UINT nFlags) { |
| return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags); |
| } |
| |
| FX_BOOL CFFL_ComboBox::IsDataChanged(CPDFSDK_PageView* pPageView) { |
| CPWL_ComboBox* pWnd = (CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE); |
| if (!pWnd) |
| return FALSE; |
| |
| int32_t nCurSel = pWnd->GetSelect(); |
| if (!(m_pWidget->GetFieldFlags() & FIELDFLAG_EDIT)) |
| 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 = |
| static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE)); |
| if (!pWnd) |
| return; |
| |
| CFX_WideString swText = pWnd->GetText(); |
| int32_t nCurSel = pWnd->GetSelect(); |
| |
| bool bSetValue = false; |
| |
| if (m_pWidget->GetFieldFlags() & FIELDFLAG_EDIT) |
| bSetValue = (nCurSel < 0) || (swText != m_pWidget->GetOptionLabel(nCurSel)); |
| |
| if (bSetValue) { |
| m_pWidget->SetValue(swText, FALSE); |
| } else { |
| m_pWidget->GetSelectedIndex(0); |
| m_pWidget->SetOptionSelection(nCurSel, TRUE, FALSE); |
| } |
| |
| m_pWidget->ResetFieldAppearance(TRUE); |
| m_pWidget->UpdateField(); |
| SetChangeMark(); |
| |
| m_pWidget->GetPDFPage(); |
| } |
| |
| void CFFL_ComboBox::GetActionData(CPDFSDK_PageView* pPageView, |
| CPDF_AAction::AActionType type, |
| PDFSDK_FieldAction& fa) { |
| switch (type) { |
| case CPDF_AAction::KeyStroke: |
| if (CPWL_ComboBox* pComboBox = |
| static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) { |
| if (CPWL_Edit* pEdit = pComboBox->GetEdit()) { |
| fa.bFieldFull = pEdit->IsTextFull(); |
| int nSelStart = 0; |
| int nSelEnd = 0; |
| pEdit->GetSel(nSelStart, nSelEnd); |
| fa.nSelEnd = nSelEnd; |
| fa.nSelStart = nSelStart; |
| fa.sValue = pEdit->GetText(); |
| fa.sChangeEx = GetSelectExportText(); |
| |
| if (fa.bFieldFull) { |
| fa.sChange = L""; |
| fa.sChangeEx = L""; |
| } |
| } |
| } |
| break; |
| case CPDF_AAction::Validate: |
| if (CPWL_ComboBox* pComboBox = |
| static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) { |
| if (CPWL_Edit* pEdit = pComboBox->GetEdit()) { |
| fa.sValue = pEdit->GetText(); |
| } |
| } |
| break; |
| case CPDF_AAction::LoseFocus: |
| case CPDF_AAction::GetFocus: |
| fa.sValue = m_pWidget->GetValue(); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void CFFL_ComboBox::SetActionData(CPDFSDK_PageView* pPageView, |
| CPDF_AAction::AActionType type, |
| const PDFSDK_FieldAction& fa) { |
| switch (type) { |
| case CPDF_AAction::KeyStroke: |
| if (CPWL_ComboBox* pComboBox = |
| static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) { |
| if (CPWL_Edit* pEdit = pComboBox->GetEdit()) { |
| pEdit->SetSel(fa.nSelStart, fa.nSelEnd); |
| pEdit->ReplaceSel(fa.sChange.c_str()); |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| FX_BOOL CFFL_ComboBox::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_ComboBox::SaveState(CPDFSDK_PageView* pPageView) { |
| ASSERT(pPageView); |
| |
| if (CPWL_ComboBox* pComboBox = |
| static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) { |
| m_State.nIndex = pComboBox->GetSelect(); |
| |
| if (CPWL_Edit* pEdit = pComboBox->GetEdit()) { |
| pEdit->GetSel(m_State.nStart, m_State.nEnd); |
| m_State.sValue = pEdit->GetText(); |
| } |
| } |
| } |
| |
| void CFFL_ComboBox::RestoreState(CPDFSDK_PageView* pPageView) { |
| ASSERT(pPageView); |
| |
| if (CPWL_ComboBox* pComboBox = |
| static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, TRUE))) { |
| if (m_State.nIndex >= 0) { |
| pComboBox->SetSelect(m_State.nIndex); |
| } else { |
| if (CPWL_Edit* pEdit = pComboBox->GetEdit()) { |
| pEdit->SetText(m_State.sValue.c_str()); |
| pEdit->SetSel(m_State.nStart, m_State.nEnd); |
| } |
| } |
| } |
| } |
| |
| CPWL_Wnd* CFFL_ComboBox::ResetPDFWindow(CPDFSDK_PageView* pPageView, |
| FX_BOOL bRestoreValue) { |
| if (bRestoreValue) |
| SaveState(pPageView); |
| |
| DestroyPDFWindow(pPageView); |
| |
| CPWL_Wnd* pRet = NULL; |
| |
| if (bRestoreValue) { |
| RestoreState(pPageView); |
| pRet = GetPDFWindow(pPageView, FALSE); |
| } else { |
| pRet = GetPDFWindow(pPageView, TRUE); |
| } |
| |
| m_pWidget->UpdateField(); |
| |
| return pRet; |
| } |
| |
| void CFFL_ComboBox::OnSetFocus(CPWL_Wnd* pWnd) { |
| ASSERT(m_pApp); |
| |
| if (pWnd->GetClassName() == PWL_CLASSNAME_EDIT) { |
| CPWL_Edit* pEdit = (CPWL_Edit*)pWnd; |
| pEdit->SetCharSet(134); |
| pEdit->SetCodePage(936); |
| |
| pEdit->SetReadyToInput(); |
| CFX_WideString wsText = pEdit->GetText(); |
| int nCharacters = wsText.GetLength(); |
| CFX_ByteString bsUTFText = wsText.UTF16LE_Encode(); |
| unsigned short* pBuffer = (unsigned short*)bsUTFText.c_str(); |
| m_pApp->FFI_OnSetFieldInputFocus(m_pWidget->GetFormField(), pBuffer, |
| nCharacters, TRUE); |
| |
| pEdit->SetEditNotify(this); |
| } |
| } |
| |
| void CFFL_ComboBox::OnKillFocus(CPWL_Wnd* pWnd) { |
| ASSERT(m_pApp); |
| } |
| |
| void CFFL_ComboBox::OnAddUndo(CPWL_Edit* pEdit) { |
| ASSERT(pEdit); |
| } |
| |
| CFX_WideString CFFL_ComboBox::GetSelectExportText() { |
| CFX_WideString swRet; |
| |
| int nExport = -1; |
| CPDFSDK_PageView* pPageView = GetCurPageView(); |
| if (CPWL_ComboBox* pComboBox = |
| (CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE)) { |
| nExport = pComboBox->GetSelect(); |
| } |
| |
| if (nExport >= 0) { |
| if (CPDF_FormField* pFormField = m_pWidget->GetFormField()) { |
| swRet = pFormField->GetOptionValue(nExport); |
| if (swRet.IsEmpty()) |
| swRet = pFormField->GetOptionLabel(nExport); |
| } |
| } |
| |
| return swRet; |
| } |