// Copyright 2016 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/cpdfsdk_widget.h"
#include <memory>
#include <sstream>
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/parser/cpdf_reference.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fpdfapi/parser/cpdf_string.h"
#include "core/fpdfdoc/cpdf_defaultappearance.h"
#include "core/fpdfdoc/cpdf_formcontrol.h"
#include "core/fpdfdoc/cpdf_formfield.h"
#include "core/fpdfdoc/cpdf_iconfit.h"
#include "core/fpdfdoc/cpdf_interform.h"
#include "core/fxge/cfx_graphstatedata.h"
#include "core/fxge/cfx_pathdata.h"
#include "core/fxge/cfx_renderdevice.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_interform.h"
#include "fpdfsdk/cpdfsdk_pageview.h"
#include "fpdfsdk/formfiller/cba_fontmap.h"
#include "fpdfsdk/fsdk_actionhandler.h"
#include "fpdfsdk/fsdk_define.h"
#include "fpdfsdk/pwl/cpwl_appstream.h"
#include "fpdfsdk/pwl/cpwl_edit.h"
#ifdef PDF_ENABLE_XFA
#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
#include "xfa/fxfa/cxfa_eventparam.h"
#include "xfa/fxfa/cxfa_ffdocview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/cxfa_ffwidgethandler.h"
#include "xfa/fxfa/cxfa_widgetacc.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#endif // PDF_ENABLE_XFA
namespace {
// Convert a FX_ARGB to a FX_COLORREF.
FX_COLORREF ARGBToColorRef(FX_ARGB argb) {
return (((static_cast<uint32_t>(argb) & 0x00FF0000) >> 16) |
(static_cast<uint32_t>(argb) & 0x0000FF00) |
((static_cast<uint32_t>(argb) & 0x000000FF) << 16));
}
} // namespace
CPDFSDK_Widget::CPDFSDK_Widget(CPDF_Annot* pAnnot,
CPDFSDK_PageView* pPageView,
CPDFSDK_InterForm* pInterForm)
: CPDFSDK_BAAnnot(pAnnot, pPageView),
m_pInterForm(pInterForm),
m_nAppearanceAge(0),
m_nValueAge(0)
#ifdef PDF_ENABLE_XFA
,
m_hMixXFAWidget(nullptr),
m_pWidgetHandler(nullptr)
#endif // PDF_ENABLE_XFA
{
}
CPDFSDK_Widget::~CPDFSDK_Widget() {}
#ifdef PDF_ENABLE_XFA
CXFA_FFWidget* CPDFSDK_Widget::GetMixXFAWidget() const {
CPDFXFA_Context* pContext = m_pPageView->GetFormFillEnv()->GetXFAContext();
if (pContext->GetFormType() == FormType::kXFAForeground) {
if (!m_hMixXFAWidget) {
if (CXFA_FFDocView* pDocView = pContext->GetXFADocView()) {
WideString sName;
if (GetFieldType() == FormFieldType::kRadioButton) {
sName = GetAnnotName();
if (sName.IsEmpty())
sName = GetName();
} else {
sName = GetName();
}
if (!sName.IsEmpty())
m_hMixXFAWidget = pDocView->GetWidgetByName(sName, nullptr);
}
}
return m_hMixXFAWidget.Get();
}
return nullptr;
}
CXFA_FFWidget* CPDFSDK_Widget::GetGroupMixXFAWidget() {
CPDFXFA_Context* pContext = m_pPageView->GetFormFillEnv()->GetXFAContext();
if (pContext->GetFormType() != FormType::kXFAForeground)
return nullptr;
CXFA_FFDocView* pDocView = pContext->GetXFADocView();
if (!pDocView)
return nullptr;
WideString sName = GetName();
return !sName.IsEmpty() ? pDocView->GetWidgetByName(sName, nullptr) : nullptr;
}
CXFA_FFWidgetHandler* CPDFSDK_Widget::GetXFAWidgetHandler() const {
CPDFXFA_Context* pContext = m_pPageView->GetFormFillEnv()->GetXFAContext();
if (pContext->GetFormType() != FormType::kXFAForeground)
return nullptr;
if (!m_pWidgetHandler) {
CXFA_FFDocView* pDocView = pContext->GetXFADocView();
if (pDocView)
m_pWidgetHandler = pDocView->GetWidgetHandler();
}
return m_pWidgetHandler.Get();
}
static XFA_EVENTTYPE GetXFAEventType(PDFSDK_XFAAActionType eXFAAAT) {
XFA_EVENTTYPE eEventType = XFA_EVENT_Unknown;
switch (eXFAAAT) {
case PDFSDK_XFA_Click:
eEventType = XFA_EVENT_Click;
break;
case PDFSDK_XFA_Full:
eEventType = XFA_EVENT_Full;
break;
case PDFSDK_XFA_PreOpen:
eEventType = XFA_EVENT_PreOpen;
break;
case PDFSDK_XFA_PostOpen:
eEventType = XFA_EVENT_PostOpen;
break;
}
return eEventType;
}
static XFA_EVENTTYPE GetXFAEventType(CPDF_AAction::AActionType eAAT,
bool bWillCommit) {
XFA_EVENTTYPE eEventType = XFA_EVENT_Unknown;
switch (eAAT) {
case CPDF_AAction::CursorEnter:
eEventType = XFA_EVENT_MouseEnter;
break;
case CPDF_AAction::CursorExit:
eEventType = XFA_EVENT_MouseExit;
break;
case CPDF_AAction::ButtonDown:
eEventType = XFA_EVENT_MouseDown;
break;
case CPDF_AAction::ButtonUp:
eEventType = XFA_EVENT_MouseUp;
break;
case CPDF_AAction::GetFocus:
eEventType = XFA_EVENT_Enter;
break;
case CPDF_AAction::LoseFocus:
eEventType = XFA_EVENT_Exit;
break;
case CPDF_AAction::PageOpen:
case CPDF_AAction::PageClose:
case CPDF_AAction::PageVisible:
case CPDF_AAction::PageInvisible:
break;
case CPDF_AAction::KeyStroke:
if (!bWillCommit)
eEventType = XFA_EVENT_Change;
break;
case CPDF_AAction::Validate:
eEventType = XFA_EVENT_Validate;
break;
case CPDF_AAction::OpenPage:
case CPDF_AAction::ClosePage:
case CPDF_AAction::Format:
case CPDF_AAction::Calculate:
case CPDF_AAction::CloseDocument:
case CPDF_AAction::SaveDocument:
case CPDF_AAction::DocumentSaved:
case CPDF_AAction::PrintDocument:
case CPDF_AAction::DocumentPrinted:
break;
case CPDF_AAction::NumberOfActions:
NOTREACHED();
break;
}
return eEventType;
}
bool CPDFSDK_Widget::HasXFAAAction(PDFSDK_XFAAActionType eXFAAAT) {
CXFA_FFWidget* hWidget = GetMixXFAWidget();
if (!hWidget)
return false;
CXFA_FFWidgetHandler* pXFAWidgetHandler = GetXFAWidgetHandler();
if (!pXFAWidgetHandler)
return false;
XFA_EVENTTYPE eEventType = GetXFAEventType(eXFAAAT);
if ((eEventType == XFA_EVENT_Click || eEventType == XFA_EVENT_Change) &&
GetFieldType() == FormFieldType::kRadioButton) {
if (CXFA_FFWidget* hGroupWidget = GetGroupMixXFAWidget()) {
if (pXFAWidgetHandler->HasEvent(hGroupWidget->GetNode()->GetWidgetAcc(),
eEventType)) {
return true;
}
}
}
return pXFAWidgetHandler->HasEvent(hWidget->GetNode()->GetWidgetAcc(),
eEventType);
}
bool CPDFSDK_Widget::OnXFAAAction(PDFSDK_XFAAActionType eXFAAAT,
PDFSDK_FieldAction& data,
CPDFSDK_PageView* pPageView) {
CPDFXFA_Context* pContext = m_pPageView->GetFormFillEnv()->GetXFAContext();
CXFA_FFWidget* hWidget = GetMixXFAWidget();
if (!hWidget)
return false;
XFA_EVENTTYPE eEventType = GetXFAEventType(eXFAAAT);
if (eEventType == XFA_EVENT_Unknown)
return false;
CXFA_FFWidgetHandler* pXFAWidgetHandler = GetXFAWidgetHandler();
if (!pXFAWidgetHandler)
return false;
CXFA_EventParam param;
param.m_eType = eEventType;
param.m_wsChange = data.sChange;
param.m_iCommitKey = data.nCommitKey;
param.m_bShift = data.bShift;
param.m_iSelStart = data.nSelStart;
param.m_iSelEnd = data.nSelEnd;
param.m_wsFullText = data.sValue;
param.m_bKeyDown = data.bKeyDown;
param.m_bModifier = data.bModifier;
param.m_wsNewText = data.sValue;
if (data.nSelEnd > data.nSelStart)
param.m_wsNewText.Delete(data.nSelStart, data.nSelEnd - data.nSelStart);
for (const auto& c : data.sChange)
param.m_wsNewText.Insert(data.nSelStart, c);
param.m_wsPrevText = data.sValue;
if ((eEventType == XFA_EVENT_Click || eEventType == XFA_EVENT_Change) &&
GetFieldType() == FormFieldType::kRadioButton) {
if (CXFA_FFWidget* hGroupWidget = GetGroupMixXFAWidget()) {
CXFA_WidgetAcc* pAcc = hGroupWidget->GetNode()->GetWidgetAcc();
param.m_pTarget = pAcc;
if (pXFAWidgetHandler->ProcessEvent(pAcc, ¶m) !=
XFA_EVENTERROR_Success) {
return false;
}
}
}
CXFA_WidgetAcc* pAcc = hWidget->GetNode()->GetWidgetAcc();
param.m_pTarget = pAcc;
int32_t nRet = pXFAWidgetHandler->ProcessEvent(pAcc, ¶m);
if (CXFA_FFDocView* pDocView = pContext->GetXFADocView())
pDocView->UpdateDocView();
return nRet == XFA_EVENTERROR_Success;
}
void CPDFSDK_Widget::Synchronize(bool bSynchronizeElse) {
CXFA_FFWidget* hWidget = GetMixXFAWidget();
if (!hWidget)
return;
CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc();
if (!pWidgetAcc)
return;
CPDF_FormField* pFormField = GetFormField();
switch (GetFieldType()) {
case FormFieldType::kCheckBox:
case FormFieldType::kRadioButton: {
CPDF_FormControl* pFormCtrl = GetFormControl();
XFA_CHECKSTATE eCheckState =
pFormCtrl->IsChecked() ? XFA_CHECKSTATE_On : XFA_CHECKSTATE_Off;
pWidgetAcc->SetCheckState(eCheckState, true);
break;
}
case FormFieldType::kTextField:
pWidgetAcc->SetValue(XFA_VALUEPICTURE_Edit, pFormField->GetValue());
break;
case FormFieldType::kListBox: {
pWidgetAcc->ClearAllSelections();
for (int i = 0, sz = pFormField->CountSelectedItems(); i < sz; i++) {
int nIndex = pFormField->GetSelectedIndex(i);
if (nIndex > -1 && nIndex < pWidgetAcc->CountChoiceListItems(false))
pWidgetAcc->SetItemState(nIndex, true, false, false, true);
}
break;
}
case FormFieldType::kComboBox: {
pWidgetAcc->ClearAllSelections();
for (int i = 0, sz = pFormField->CountSelectedItems(); i < sz; i++) {
int nIndex = pFormField->GetSelectedIndex(i);
if (nIndex > -1 && nIndex < pWidgetAcc->CountChoiceListItems(false))
pWidgetAcc->SetItemState(nIndex, true, false, false, true);
}
pWidgetAcc->SetValue(XFA_VALUEPICTURE_Edit, pFormField->GetValue());
break;
}
default:
break;
}
if (bSynchronizeElse) {
CPDFXFA_Context* context = m_pPageView->GetFormFillEnv()->GetXFAContext();
context->GetXFADocView()->ProcessValueChanged(pWidgetAcc);
}
}
void CPDFSDK_Widget::SynchronizeXFAValue() {
CPDFXFA_Context* pContext = m_pPageView->GetFormFillEnv()->GetXFAContext();
CXFA_FFDocView* pXFADocView = pContext->GetXFADocView();
if (!pXFADocView)
return;
if (CXFA_FFWidget* hWidget = GetMixXFAWidget()) {
if (GetXFAWidgetHandler()) {
CPDFSDK_Widget::SynchronizeXFAValue(pXFADocView, hWidget, GetFormField(),
GetFormControl());
}
}
}
void CPDFSDK_Widget::SynchronizeXFAItems() {
CPDFXFA_Context* pContext = m_pPageView->GetFormFillEnv()->GetXFAContext();
CXFA_FFDocView* pXFADocView = pContext->GetXFADocView();
if (!pXFADocView)
return;
if (CXFA_FFWidget* hWidget = GetMixXFAWidget()) {
if (GetXFAWidgetHandler())
SynchronizeXFAItems(pXFADocView, hWidget, GetFormField(), nullptr);
}
}
void CPDFSDK_Widget::SynchronizeXFAValue(CXFA_FFDocView* pXFADocView,
CXFA_FFWidget* hWidget,
CPDF_FormField* pFormField,
CPDF_FormControl* pFormControl) {
ASSERT(hWidget);
ASSERT(pFormControl);
switch (pFormField->GetFieldType()) {
case FormFieldType::kCheckBox: {
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
pFormField->CheckControl(
pFormField->GetControlIndex(pFormControl),
pWidgetAcc->GetCheckState() == XFA_CHECKSTATE_On, true);
}
break;
}
case FormFieldType::kRadioButton: {
// TODO(weili): Check whether we need to handle checkbox and radio
// button differently, otherwise, merge these two cases.
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
pFormField->CheckControl(
pFormField->GetControlIndex(pFormControl),
pWidgetAcc->GetCheckState() == XFA_CHECKSTATE_On, true);
}
break;
}
case FormFieldType::kTextField: {
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
pFormField->SetValue(pWidgetAcc->GetValue(XFA_VALUEPICTURE_Display),
true);
}
break;
}
case FormFieldType::kListBox: {
pFormField->ClearSelection(false);
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
for (int i = 0, sz = pWidgetAcc->CountSelectedItems(); i < sz; i++) {
int nIndex = pWidgetAcc->GetSelectedItem(i);
if (nIndex > -1 && nIndex < pFormField->CountOptions()) {
pFormField->SetItemSelection(nIndex, true, true);
}
}
}
break;
}
case FormFieldType::kComboBox: {
pFormField->ClearSelection(false);
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
for (int i = 0, sz = pWidgetAcc->CountSelectedItems(); i < sz; i++) {
int nIndex = pWidgetAcc->GetSelectedItem(i);
if (nIndex > -1 && nIndex < pFormField->CountOptions()) {
pFormField->SetItemSelection(nIndex, true, true);
}
}
pFormField->SetValue(pWidgetAcc->GetValue(XFA_VALUEPICTURE_Display),
true);
}
break;
}
default:
break;
}
}
void CPDFSDK_Widget::SynchronizeXFAItems(CXFA_FFDocView* pXFADocView,
CXFA_FFWidget* hWidget,
CPDF_FormField* pFormField,
CPDF_FormControl* pFormControl) {
ASSERT(hWidget);
switch (pFormField->GetFieldType()) {
case FormFieldType::kListBox: {
pFormField->ClearSelection(false);
pFormField->ClearOptions(true);
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
for (int i = 0, sz = pWidgetAcc->CountChoiceListItems(false); i < sz;
i++) {
pFormField->InsertOption(
pWidgetAcc->GetChoiceListItem(i, false).value_or(L""), i, true);
}
}
break;
}
case FormFieldType::kComboBox: {
pFormField->ClearSelection(false);
pFormField->ClearOptions(false);
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
for (int i = 0, sz = pWidgetAcc->CountChoiceListItems(false); i < sz;
i++) {
pFormField->InsertOption(
pWidgetAcc->GetChoiceListItem(i, false).value_or(L""), i, false);
}
}
pFormField->SetValue(L"", true);
break;
}
default:
break;
}
}
#endif // PDF_ENABLE_XFA
bool CPDFSDK_Widget::IsWidgetAppearanceValid(CPDF_Annot::AppearanceMode mode) {
CPDF_Dictionary* pAP = m_pAnnot->GetAnnotDict()->GetDictFor("AP");
if (!pAP)
return false;
// Choose the right sub-ap
const char* ap_entry = "N";
if (mode == CPDF_Annot::Down)
ap_entry = "D";
else if (mode == CPDF_Annot::Rollover)
ap_entry = "R";
if (!pAP->KeyExist(ap_entry))
ap_entry = "N";
// Get the AP stream or subdirectory
CPDF_Object* psub = pAP->GetDirectObjectFor(ap_entry);
if (!psub)
return false;
FormFieldType fieldType = GetFieldType();
switch (fieldType) {
case FormFieldType::kPushButton:
case FormFieldType::kComboBox:
case FormFieldType::kListBox:
case FormFieldType::kTextField:
case FormFieldType::kSignature:
return psub->IsStream();
case FormFieldType::kCheckBox:
case FormFieldType::kRadioButton:
if (CPDF_Dictionary* pSubDict = psub->AsDictionary()) {
return !!pSubDict->GetStreamFor(GetAppState());
}
return false;
default:
return true;
}
}
FormFieldType CPDFSDK_Widget::GetFieldType() const {
CPDF_FormField* pField = GetFormField();
return pField ? pField->GetFieldType() : FormFieldType::kUnknown;
}
bool CPDFSDK_Widget::IsAppearanceValid() {
#ifdef PDF_ENABLE_XFA
CPDFXFA_Context* pContext = m_pPageView->GetFormFillEnv()->GetXFAContext();
FormType formType = pContext->GetFormType();
if (formType == FormType::kXFAFull)
return true;
#endif // PDF_ENABLE_XFA
return CPDFSDK_BAAnnot::IsAppearanceValid();
}
int CPDFSDK_Widget::GetLayoutOrder() const {
return 2;
}
int CPDFSDK_Widget::GetFieldFlags() const {
CPDF_InterForm* pPDFInterForm = m_pInterForm->GetInterForm();
CPDF_FormControl* pFormControl =
pPDFInterForm->GetControlByDict(m_pAnnot->GetAnnotDict());
CPDF_FormField* pFormField = pFormControl->GetField();
return pFormField->GetFieldFlags();
}
bool CPDFSDK_Widget::IsSignatureWidget() const {
return GetFieldType() == FormFieldType::kSignature;
}
CPDF_FormField* CPDFSDK_Widget::GetFormField() const {
CPDF_FormControl* pControl = GetFormControl();
return pControl ? pControl->GetField() : nullptr;
}
CPDF_FormControl* CPDFSDK_Widget::GetFormControl() const {
CPDF_InterForm* pPDFInterForm = m_pInterForm->GetInterForm();
return pPDFInterForm->GetControlByDict(GetAnnotDict());
}
CPDF_FormControl* CPDFSDK_Widget::GetFormControl(
CPDF_InterForm* pInterForm,
const CPDF_Dictionary* pAnnotDict) {
ASSERT(pAnnotDict);
return pInterForm->GetControlByDict(pAnnotDict);
}
int CPDFSDK_Widget::GetRotate() const {
CPDF_FormControl* pCtrl = GetFormControl();
return pCtrl->GetRotation() % 360;
}
#ifdef PDF_ENABLE_XFA
WideString CPDFSDK_Widget::GetName() const {
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetFullName();
}
#endif // PDF_ENABLE_XFA
bool CPDFSDK_Widget::GetFillColor(FX_COLORREF& color) const {
CPDF_FormControl* pFormCtrl = GetFormControl();
int iColorType = 0;
color = ARGBToColorRef(pFormCtrl->GetBackgroundColor(iColorType));
return iColorType != CFX_Color::kTransparent;
}
bool CPDFSDK_Widget::GetBorderColor(FX_COLORREF& color) const {
CPDF_FormControl* pFormCtrl = GetFormControl();
int iColorType = 0;
color = ARGBToColorRef(pFormCtrl->GetBorderColor(iColorType));
return iColorType != CFX_Color::kTransparent;
}
bool CPDFSDK_Widget::GetTextColor(FX_COLORREF& color) const {
CPDF_FormControl* pFormCtrl = GetFormControl();
CPDF_DefaultAppearance da = pFormCtrl->GetDefaultAppearance();
if (!da.HasColor())
return false;
FX_ARGB argb;
int iColorType = CFX_Color::kTransparent;
da.GetColor(argb, iColorType);
color = ARGBToColorRef(argb);
return iColorType != CFX_Color::kTransparent;
}
float CPDFSDK_Widget::GetFontSize() const {
CPDF_FormControl* pFormCtrl = GetFormControl();
CPDF_DefaultAppearance pDa = pFormCtrl->GetDefaultAppearance();
float fFontSize;
pDa.GetFont(&fFontSize);
return fFontSize;
}
int CPDFSDK_Widget::GetSelectedIndex(int nIndex) const {
#ifdef PDF_ENABLE_XFA
if (CXFA_FFWidget* hWidget = GetMixXFAWidget()) {
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
if (nIndex < pWidgetAcc->CountSelectedItems())
return pWidgetAcc->GetSelectedItem(nIndex);
}
}
#endif // PDF_ENABLE_XFA
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetSelectedIndex(nIndex);
}
#ifdef PDF_ENABLE_XFA
WideString CPDFSDK_Widget::GetValue(bool bDisplay) const {
if (CXFA_FFWidget* hWidget = GetMixXFAWidget()) {
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
return pWidgetAcc->GetValue(bDisplay ? XFA_VALUEPICTURE_Display
: XFA_VALUEPICTURE_Edit);
}
}
#else
WideString CPDFSDK_Widget::GetValue() const {
#endif // PDF_ENABLE_XFA
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetValue();
}
WideString CPDFSDK_Widget::GetDefaultValue() const {
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetDefaultValue();
}
WideString CPDFSDK_Widget::GetOptionLabel(int nIndex) const {
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetOptionLabel(nIndex);
}
int CPDFSDK_Widget::CountOptions() const {
CPDF_FormField* pFormField = GetFormField();
return pFormField->CountOptions();
}
bool CPDFSDK_Widget::IsOptionSelected(int nIndex) const {
#ifdef PDF_ENABLE_XFA
if (CXFA_FFWidget* hWidget = GetMixXFAWidget()) {
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc()) {
if (nIndex > -1 && nIndex < pWidgetAcc->CountChoiceListItems(false))
return pWidgetAcc->GetItemState(nIndex);
return false;
}
}
#endif // PDF_ENABLE_XFA
CPDF_FormField* pFormField = GetFormField();
return pFormField->IsItemSelected(nIndex);
}
int CPDFSDK_Widget::GetTopVisibleIndex() const {
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetTopVisibleIndex();
}
bool CPDFSDK_Widget::IsChecked() const {
#ifdef PDF_ENABLE_XFA
if (CXFA_FFWidget* hWidget = GetMixXFAWidget()) {
if (CXFA_WidgetAcc* pWidgetAcc = hWidget->GetNode()->GetWidgetAcc())
return pWidgetAcc->GetCheckState() == XFA_CHECKSTATE_On;
}
#endif // PDF_ENABLE_XFA
CPDF_FormControl* pFormCtrl = GetFormControl();
return pFormCtrl->IsChecked();
}
int CPDFSDK_Widget::GetAlignment() const {
CPDF_FormControl* pFormCtrl = GetFormControl();
return pFormCtrl->GetControlAlignment();
}
int CPDFSDK_Widget::GetMaxLen() const {
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetMaxLen();
}
void CPDFSDK_Widget::SetCheck(bool bChecked, bool bNotify) {
CPDF_FormControl* pFormCtrl = GetFormControl();
CPDF_FormField* pFormField = pFormCtrl->GetField();
pFormField->CheckControl(pFormField->GetControlIndex(pFormCtrl), bChecked,
bNotify);
#ifdef PDF_ENABLE_XFA
if (!IsWidgetAppearanceValid(CPDF_Annot::Normal))
ResetAppearance(true);
if (!bNotify)
Synchronize(true);
#endif // PDF_ENABLE_XFA
}
void CPDFSDK_Widget::SetValue(const WideString& sValue, bool bNotify) {
CPDF_FormField* pFormField = GetFormField();
pFormField->SetValue(sValue, bNotify);
#ifdef PDF_ENABLE_XFA
if (!bNotify)
Synchronize(true);
#endif // PDF_ENABLE_XFA
}
void CPDFSDK_Widget::SetDefaultValue(const WideString& sValue) {}
void CPDFSDK_Widget::SetOptionSelection(int index,
bool bSelected,
bool bNotify) {
CPDF_FormField* pFormField = GetFormField();
pFormField->SetItemSelection(index, bSelected, bNotify);
#ifdef PDF_ENABLE_XFA
if (!bNotify)
Synchronize(true);
#endif // PDF_ENABLE_XFA
}
void CPDFSDK_Widget::ClearSelection(bool bNotify) {
CPDF_FormField* pFormField = GetFormField();
pFormField->ClearSelection(bNotify);
#ifdef PDF_ENABLE_XFA
if (!bNotify)
Synchronize(true);
#endif // PDF_ENABLE_XFA
}
void CPDFSDK_Widget::SetTopVisibleIndex(int index) {}
void CPDFSDK_Widget::SetAppModified() {
m_bAppModified = true;
}
void CPDFSDK_Widget::ClearAppModified() {
m_bAppModified = false;
}
bool CPDFSDK_Widget::IsAppModified() const {
return m_bAppModified;
}
#ifdef PDF_ENABLE_XFA
void CPDFSDK_Widget::ResetAppearance(bool bValueChanged) {
switch (GetFieldType()) {
case FormFieldType::kTextField:
case FormFieldType::kComboBox: {
bool bFormatted = false;
WideString sValue = OnFormat(bFormatted);
ResetAppearance(bFormatted ? &sValue : nullptr, true);
break;
}
default:
ResetAppearance(nullptr, false);
break;
}
}
#endif // PDF_ENABLE_XFA
void CPDFSDK_Widget::ResetAppearance(const WideString* sValue,
bool bValueChanged) {
SetAppModified();
m_nAppearanceAge++;
if (bValueChanged)
m_nValueAge++;
CPWL_AppStream appStream(this, GetAPDict());
switch (GetFieldType()) {
case FormFieldType::kPushButton:
appStream.SetAsPushButton();
break;
case FormFieldType::kCheckBox:
appStream.SetAsCheckBox();
break;
case FormFieldType::kRadioButton:
appStream.SetAsRadioButton();
break;
case FormFieldType::kComboBox:
appStream.SetAsComboBox(sValue);
break;
case FormFieldType::kListBox:
appStream.SetAsListBox();
break;
case FormFieldType::kTextField:
appStream.SetAsTextField(sValue);
break;
default:
break;
}
m_pAnnot->ClearCachedAP();
}
WideString CPDFSDK_Widget::OnFormat(bool& bFormatted) {
CPDF_FormField* pFormField = GetFormField();
ASSERT(pFormField);
return m_pInterForm->OnFormat(pFormField, bFormatted);
}
void CPDFSDK_Widget::ResetFieldAppearance(bool bValueChanged) {
CPDF_FormField* pFormField = GetFormField();
ASSERT(pFormField);
m_pInterForm->ResetFieldAppearance(pFormField, nullptr, bValueChanged);
}
void CPDFSDK_Widget::DrawAppearance(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
CPDF_Annot::AppearanceMode mode,
const CPDF_RenderOptions* pOptions) {
FormFieldType fieldType = GetFieldType();
if ((fieldType == FormFieldType::kCheckBox ||
fieldType == FormFieldType::kRadioButton) &&
mode == CPDF_Annot::Normal &&
!IsWidgetAppearanceValid(CPDF_Annot::Normal)) {
CFX_PathData pathData;
CFX_FloatRect rcAnnot = GetRect();
pathData.AppendRect(rcAnnot.left, rcAnnot.bottom, rcAnnot.right,
rcAnnot.top);
CFX_GraphStateData gsd;
gsd.m_LineWidth = 0.0f;
pDevice->DrawPath(&pathData, &mtUser2Device, &gsd, 0, 0xFFAAAAAA,
FXFILL_ALTERNATE);
} else {
CPDFSDK_BAAnnot::DrawAppearance(pDevice, mtUser2Device, mode, pOptions);
}
}
void CPDFSDK_Widget::UpdateField() {
CPDF_FormField* pFormField = GetFormField();
ASSERT(pFormField);
m_pInterForm->UpdateField(pFormField);
}
void CPDFSDK_Widget::DrawShadow(CFX_RenderDevice* pDevice,
CPDFSDK_PageView* pPageView) {
FormFieldType fieldType = GetFieldType();
if (!m_pInterForm->IsNeedHighLight(fieldType))
return;
CFX_Matrix page2device;
pPageView->GetCurrentMatrix(page2device);
CFX_FloatRect rcDevice = GetRect();
CFX_PointF tmp =
page2device.Transform(CFX_PointF(rcDevice.left, rcDevice.bottom));
rcDevice.left = tmp.x;
rcDevice.bottom = tmp.y;
tmp = page2device.Transform(CFX_PointF(rcDevice.right, rcDevice.top));
rcDevice.right = tmp.x;
rcDevice.top = tmp.y;
rcDevice.Normalize();
FX_RECT rcDev = rcDevice.ToFxRect();
pDevice->FillRect(
&rcDev, ArgbEncode(static_cast<int>(m_pInterForm->GetHighlightAlpha()),
m_pInterForm->GetHighlightColor(fieldType)));
}
CFX_FloatRect CPDFSDK_Widget::GetClientRect() const {
CFX_FloatRect rcWindow = GetRotatedRect();
float fBorderWidth = (float)GetBorderWidth();
switch (GetBorderStyle()) {
case BorderStyle::BEVELED:
case BorderStyle::INSET:
fBorderWidth *= 2.0f;
break;
default:
break;
}
return rcWindow.GetDeflated(fBorderWidth, fBorderWidth);
}
CFX_FloatRect CPDFSDK_Widget::GetRotatedRect() const {
CFX_FloatRect rectAnnot = GetRect();
float fWidth = rectAnnot.right - rectAnnot.left;
float fHeight = rectAnnot.top - rectAnnot.bottom;
CPDF_FormControl* pControl = GetFormControl();
CFX_FloatRect rcPDFWindow;
switch (abs(pControl->GetRotation() % 360)) {
case 0:
case 180:
default:
rcPDFWindow = CFX_FloatRect(0, 0, fWidth, fHeight);
break;
case 90:
case 270:
rcPDFWindow = CFX_FloatRect(0, 0, fHeight, fWidth);
break;
}
return rcPDFWindow;
}
CFX_Matrix CPDFSDK_Widget::GetMatrix() const {
CFX_Matrix mt;
CPDF_FormControl* pControl = GetFormControl();
CFX_FloatRect rcAnnot = GetRect();
float fWidth = rcAnnot.right - rcAnnot.left;
float fHeight = rcAnnot.top - rcAnnot.bottom;
switch (abs(pControl->GetRotation() % 360)) {
default:
case 0:
break;
case 90:
mt = CFX_Matrix(0, 1, -1, 0, fWidth, 0);
break;
case 180:
mt = CFX_Matrix(-1, 0, 0, -1, fWidth, fHeight);
break;
case 270:
mt = CFX_Matrix(0, -1, 1, 0, 0, fHeight);
break;
}
return mt;
}
CFX_Color CPDFSDK_Widget::GetTextPWLColor() const {
CFX_Color crText = CFX_Color(CFX_Color::kGray, 0);
CPDF_FormControl* pFormCtrl = GetFormControl();
CPDF_DefaultAppearance da = pFormCtrl->GetDefaultAppearance();
if (da.HasColor()) {
int32_t iColorType;
float fc[4];
da.GetColor(iColorType, fc);
crText = CFX_Color(iColorType, fc[0], fc[1], fc[2], fc[3]);
}
return crText;
}
CFX_Color CPDFSDK_Widget::GetBorderPWLColor() const {
CFX_Color crBorder;
CPDF_FormControl* pFormCtrl = GetFormControl();
int32_t iColorType;
float fc[4];
pFormCtrl->GetOriginalBorderColor(iColorType, fc);
if (iColorType > 0)
crBorder = CFX_Color(iColorType, fc[0], fc[1], fc[2], fc[3]);
return crBorder;
}
CFX_Color CPDFSDK_Widget::GetFillPWLColor() const {
CFX_Color crFill;
CPDF_FormControl* pFormCtrl = GetFormControl();
int32_t iColorType;
float fc[4];
pFormCtrl->GetOriginalBackgroundColor(iColorType, fc);
if (iColorType > 0)
crFill = CFX_Color(iColorType, fc[0], fc[1], fc[2], fc[3]);
return crFill;
}
bool CPDFSDK_Widget::OnAAction(CPDF_AAction::AActionType type,
PDFSDK_FieldAction& data,
CPDFSDK_PageView* pPageView) {
CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv();
#ifdef PDF_ENABLE_XFA
CPDFXFA_Context* pContext = pFormFillEnv->GetXFAContext();
if (CXFA_FFWidget* hWidget = GetMixXFAWidget()) {
XFA_EVENTTYPE eEventType = GetXFAEventType(type, data.bWillCommit);
if (eEventType != XFA_EVENT_Unknown) {
if (CXFA_FFWidgetHandler* pXFAWidgetHandler = GetXFAWidgetHandler()) {
CXFA_EventParam param;
param.m_eType = eEventType;
param.m_wsChange = data.sChange;
param.m_iCommitKey = data.nCommitKey;
param.m_bShift = data.bShift;
param.m_iSelStart = data.nSelStart;
param.m_iSelEnd = data.nSelEnd;
param.m_wsFullText = data.sValue;
param.m_bKeyDown = data.bKeyDown;
param.m_bModifier = data.bModifier;
param.m_wsNewText = data.sValue;
if (data.nSelEnd > data.nSelStart)
param.m_wsNewText.Delete(data.nSelStart,
data.nSelEnd - data.nSelStart);
for (int i = data.sChange.GetLength() - 1; i >= 0; i--)
param.m_wsNewText.Insert(data.nSelStart, data.sChange[i]);
param.m_wsPrevText = data.sValue;
CXFA_WidgetAcc* pAcc = hWidget->GetNode()->GetWidgetAcc();
param.m_pTarget = pAcc;
int32_t nRet = pXFAWidgetHandler->ProcessEvent(pAcc, ¶m);
if (CXFA_FFDocView* pDocView = pContext->GetXFADocView())
pDocView->UpdateDocView();
if (nRet == XFA_EVENTERROR_Success)
return true;
}
}
}
#endif // PDF_ENABLE_XFA
CPDF_Action action = GetAAction(type);
if (action.GetDict() && action.GetType() != CPDF_Action::Unknown) {
CPDFSDK_ActionHandler* pActionHandler = pFormFillEnv->GetActionHandler();
return pActionHandler->DoAction_Field(action, type, pFormFillEnv,
GetFormField(), data);
}
return false;
}
CPDF_Action CPDFSDK_Widget::GetAAction(CPDF_AAction::AActionType eAAT) {
switch (eAAT) {
case CPDF_AAction::CursorEnter:
case CPDF_AAction::CursorExit:
case CPDF_AAction::ButtonDown:
case CPDF_AAction::ButtonUp:
case CPDF_AAction::GetFocus:
case CPDF_AAction::LoseFocus:
case CPDF_AAction::PageOpen:
case CPDF_AAction::PageClose:
case CPDF_AAction::PageVisible:
case CPDF_AAction::PageInvisible:
return CPDFSDK_BAAnnot::GetAAction(eAAT);
case CPDF_AAction::KeyStroke:
case CPDF_AAction::Format:
case CPDF_AAction::Validate:
case CPDF_AAction::Calculate: {
CPDF_FormField* pField = GetFormField();
if (pField->GetAdditionalAction().GetDict())
return pField->GetAdditionalAction().GetAction(eAAT);
return CPDFSDK_BAAnnot::GetAAction(eAAT);
}
default:
break;
}
return CPDF_Action(nullptr);
}
WideString CPDFSDK_Widget::GetAlternateName() const {
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetAlternateName();
}