blob: 91db0959dbec7104f84c75a5dfbf24fddb500468 [file] [log] [blame]
// 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) {
CPWL_Edit* pEdit = (CPWL_Edit*)pWnd;
pEdit->SetCharSet(FXFONT_GB2312_CHARSET);
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_pFormFillEnv->OnSetFieldInputFocus(pBuffer, nCharacters, true);
}
}