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// Copyright 2016 The PDFium Authors
// 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 "constants/access_permissions.h"
#include "constants/annotation_common.h"
#include "constants/appearance.h"
#include "constants/form_flags.h"
#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_bafontmap.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_interactiveform.h"
#include "core/fxge/cfx_fillrenderoptions.h"
#include "core/fxge/cfx_graphstatedata.h"
#include "core/fxge/cfx_path.h"
#include "core/fxge/cfx_renderdevice.h"
#include "fpdfsdk/cpdfsdk_appstream.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_interactiveform.h"
#include "fpdfsdk/cpdfsdk_pageview.h"
#include "fpdfsdk/formfiller/cffl_fieldaction.h"
#include "fpdfsdk/pwl/cpwl_edit.h"
#include "third_party/base/check.h"
#include "third_party/base/notreached.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/parser/cxfa_node.h"
#endif // PDF_ENABLE_XFA
CPDFSDK_Widget::CPDFSDK_Widget(CPDF_Annot* pAnnot,
CPDFSDK_PageView* pPageView,
CPDFSDK_InteractiveForm* pInteractiveForm)
: CPDFSDK_BAAnnot(pAnnot, pPageView),
m_pInteractiveForm(pInteractiveForm) {}
CPDFSDK_Widget::~CPDFSDK_Widget() {
GetInteractiveFormFiller()->OnDelete(this);
m_pInteractiveForm->RemoveMap(GetFormControl());
}
#ifdef PDF_ENABLE_XFA
CXFA_FFWidget* CPDFSDK_Widget::GetMixXFAWidget() const {
CPDF_Document::Extension* pContext =
GetPageView()->GetFormFillEnv()->GetDocExtension();
if (!pContext || !pContext->ContainsExtensionForegroundForm())
return nullptr;
CXFA_FFDocView* pDocView =
static_cast<CPDFXFA_Context*>(pContext)->GetXFADocView();
if (!pDocView)
return nullptr;
WideString sName;
if (GetFieldType() == FormFieldType::kRadioButton) {
sName = GetAnnotName();
if (sName.IsEmpty())
sName = GetName();
} else {
sName = GetName();
}
if (sName.IsEmpty())
return nullptr;
return pDocView->GetWidgetByName(sName, nullptr);
}
CXFA_FFWidget* CPDFSDK_Widget::GetGroupMixXFAWidget() const {
CPDF_Document::Extension* pContext =
GetPageView()->GetFormFillEnv()->GetDocExtension();
if (!pContext || !pContext->ContainsExtensionForegroundForm())
return nullptr;
CXFA_FFDocView* pDocView =
static_cast<CPDFXFA_Context*>(pContext)->GetXFADocView();
if (!pDocView)
return nullptr;
WideString sName = GetName();
return !sName.IsEmpty() ? pDocView->GetWidgetByName(sName, nullptr) : nullptr;
}
CXFA_FFWidgetHandler* CPDFSDK_Widget::GetXFAWidgetHandler() const {
CPDF_Document::Extension* pContext =
GetPageView()->GetFormFillEnv()->GetDocExtension();
if (!pContext || !pContext->ContainsExtensionForegroundForm())
return nullptr;
CXFA_FFDocView* pDocView =
static_cast<CPDFXFA_Context*>(pContext)->GetXFADocView();
return pDocView ? pDocView->GetWidgetHandler() : nullptr;
}
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::kCursorEnter:
eEventType = XFA_EVENT_MouseEnter;
break;
case CPDF_AAction::kCursorExit:
eEventType = XFA_EVENT_MouseExit;
break;
case CPDF_AAction::kButtonDown:
eEventType = XFA_EVENT_MouseDown;
break;
case CPDF_AAction::kButtonUp:
eEventType = XFA_EVENT_MouseUp;
break;
case CPDF_AAction::kGetFocus:
eEventType = XFA_EVENT_Enter;
break;
case CPDF_AAction::kLoseFocus:
eEventType = XFA_EVENT_Exit;
break;
case CPDF_AAction::kPageOpen:
case CPDF_AAction::kPageClose:
case CPDF_AAction::kPageVisible:
case CPDF_AAction::kPageInvisible:
break;
case CPDF_AAction::kKeyStroke:
if (!bWillCommit)
eEventType = XFA_EVENT_Change;
break;
case CPDF_AAction::kValidate:
eEventType = XFA_EVENT_Validate;
break;
case CPDF_AAction::kOpenPage:
case CPDF_AAction::kClosePage:
case CPDF_AAction::kFormat:
case CPDF_AAction::kCalculate:
case CPDF_AAction::kCloseDocument:
case CPDF_AAction::kSaveDocument:
case CPDF_AAction::kDocumentSaved:
case CPDF_AAction::kPrintDocument:
case CPDF_AAction::kDocumentPrinted:
break;
case CPDF_AAction::kDocumentOpen:
case CPDF_AAction::kNumberOfActions:
NOTREACHED_NORETURN();
}
return eEventType;
}
bool CPDFSDK_Widget::HasXFAAAction(PDFSDK_XFAAActionType eXFAAAT) const {
CXFA_FFWidget* pWidget = GetMixXFAWidget();
if (!pWidget)
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) {
CXFA_FFWidget* hGroupWidget = GetGroupMixXFAWidget();
if (hGroupWidget &&
hGroupWidget->HasEventUnderHandler(eEventType, pXFAWidgetHandler)) {
return true;
}
}
return pWidget->HasEventUnderHandler(eEventType, pXFAWidgetHandler);
}
bool CPDFSDK_Widget::OnXFAAAction(PDFSDK_XFAAActionType eXFAAAT,
CFFL_FieldAction* data,
const CPDFSDK_PageView* pPageView) {
auto* pContext = static_cast<CPDFXFA_Context*>(
GetPageView()->GetFormFillEnv()->GetDocExtension());
if (!pContext)
return false;
CXFA_FFWidget* pWidget = GetMixXFAWidget();
if (!pWidget)
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 = 0;
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_wsPrevText = data->sValue;
if ((eEventType == XFA_EVENT_Click || eEventType == XFA_EVENT_Change) &&
GetFieldType() == FormFieldType::kRadioButton) {
CXFA_FFWidget* hGroupWidget = GetGroupMixXFAWidget();
if (hGroupWidget &&
!hGroupWidget->ProcessEventUnderHandler(&param, pXFAWidgetHandler)) {
return false;
}
}
bool ret = pWidget->ProcessEventUnderHandler(&param, pXFAWidgetHandler);
CXFA_FFDocView* pDocView = pContext->GetXFADocView();
if (pDocView)
pDocView->UpdateDocView();
return ret;
}
void CPDFSDK_Widget::Synchronize(bool bSynchronizeElse) {
CXFA_FFWidget* hWidget = GetMixXFAWidget();
if (!hWidget)
return;
CXFA_Node* node = hWidget->GetNode();
if (!node->IsWidgetReady())
return;
CPDF_FormField* pFormField = GetFormField();
switch (GetFieldType()) {
case FormFieldType::kCheckBox:
case FormFieldType::kRadioButton: {
CPDF_FormControl* pFormCtrl = GetFormControl();
XFA_CheckState eCheckState =
pFormCtrl->IsChecked() ? XFA_CheckState::kOn : XFA_CheckState::kOff;
node->SetCheckState(eCheckState);
break;
}
case FormFieldType::kTextField:
node->SetValue(XFA_ValuePicture::kEdit, pFormField->GetValue());
break;
case FormFieldType::kComboBox:
case FormFieldType::kListBox: {
node->ClearAllSelections();
for (int i = 0; i < pFormField->CountSelectedItems(); ++i) {
int nIndex = pFormField->GetSelectedIndex(i);
if (nIndex > -1 &&
static_cast<size_t>(nIndex) < node->CountChoiceListItems(false)) {
node->SetItemState(nIndex, true, false, false);
}
}
if (GetFieldType() == FormFieldType::kComboBox)
node->SetValue(XFA_ValuePicture::kEdit, pFormField->GetValue());
break;
}
default:
break;
}
if (bSynchronizeElse) {
auto* context = static_cast<CPDFXFA_Context*>(
GetPageView()->GetFormFillEnv()->GetDocExtension());
context->GetXFADocView()->ProcessValueChanged(node);
}
}
bool CPDFSDK_Widget::HandleXFAAAction(
CPDF_AAction::AActionType type,
CFFL_FieldAction* data,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
auto* pContext =
static_cast<CPDFXFA_Context*>(pFormFillEnv->GetDocExtension());
if (!pContext)
return false;
CXFA_FFWidget* hWidget = GetMixXFAWidget();
if (!hWidget)
return false;
XFA_EVENTTYPE eEventType = GetXFAEventType(type, data->bWillCommit);
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 = 0;
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_wsPrevText = data->sValue;
bool ret = hWidget->ProcessEventUnderHandler(&param, pXFAWidgetHandler);
CXFA_FFDocView* pDocView = pContext->GetXFADocView();
if (pDocView)
pDocView->UpdateDocView();
return ret;
}
#endif // PDF_ENABLE_XFA
bool CPDFSDK_Widget::IsWidgetAppearanceValid(
CPDF_Annot::AppearanceMode mode) const {
RetainPtr<const CPDF_Dictionary> pAP =
GetAnnotDict()->GetDictFor(pdfium::annotation::kAP);
if (!pAP)
return false;
// Choose the right sub-ap
const char* ap_entry = "N";
if (mode == CPDF_Annot::AppearanceMode::kDown)
ap_entry = "D";
else if (mode == CPDF_Annot::AppearanceMode::kRollover)
ap_entry = "R";
if (!pAP->KeyExist(ap_entry))
ap_entry = "N";
// Get the AP stream or subdirectory
RetainPtr<const 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 (const CPDF_Dictionary* pSubDict = pSub->AsDictionary()) {
return !!pSubDict->GetStreamFor(GetAppState());
}
return false;
default:
return true;
}
}
bool CPDFSDK_Widget::IsPushHighlighted() const {
return GetFormControl()->GetHighlightingMode() == CPDF_FormControl::kPush;
}
FormFieldType CPDFSDK_Widget::GetFieldType() const {
CPDF_FormField* pField = GetFormField();
return pField ? pField->GetFieldType() : FormFieldType::kUnknown;
}
void CPDFSDK_Widget::SetRect(const CFX_FloatRect& rect) {
DCHECK(rect.right - rect.left >= 1.0f);
DCHECK(rect.top - rect.bottom >= 1.0f);
GetMutableAnnotDict()->SetRectFor(pdfium::annotation::kRect, rect);
}
bool CPDFSDK_Widget::IsAppearanceValid() {
#ifdef PDF_ENABLE_XFA
CPDF_Document::Extension* pContext =
GetPageView()->GetFormFillEnv()->GetDocExtension();
if (pContext && pContext->ContainsExtensionFullForm())
return true;
#endif // PDF_ENABLE_XFA
return CPDFSDK_BAAnnot::IsAppearanceValid();
}
int CPDFSDK_Widget::GetLayoutOrder() const {
return 2;
}
int CPDFSDK_Widget::GetFieldFlags() const {
return GetFormField()->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_InteractiveForm* pPDFInteractiveForm =
m_pInteractiveForm->GetInteractiveForm();
return pPDFInteractiveForm->GetControlByDict(GetAnnotDict());
}
int CPDFSDK_Widget::GetRotate() const {
CPDF_FormControl* pCtrl = GetFormControl();
return pCtrl->GetRotation() % 360;
}
#ifdef PDF_ENABLE_XFA
WideString CPDFSDK_Widget::GetName() const {
return GetFormField()->GetFullName();
}
#endif // PDF_ENABLE_XFA
absl::optional<FX_COLORREF> CPDFSDK_Widget::GetFillColor() const {
CFX_Color::TypeAndARGB type_argb_pair =
GetFormControl()->GetColorARGB(pdfium::appearance::kBG);
if (type_argb_pair.color_type == CFX_Color::Type::kTransparent)
return absl::nullopt;
return ArgbToColorRef(type_argb_pair.argb);
}
absl::optional<FX_COLORREF> CPDFSDK_Widget::GetBorderColor() const {
CFX_Color::TypeAndARGB type_argb_pair =
GetFormControl()->GetColorARGB(pdfium::appearance::kBC);
if (type_argb_pair.color_type == CFX_Color::Type::kTransparent)
return absl::nullopt;
return ArgbToColorRef(type_argb_pair.argb);
}
absl::optional<FX_COLORREF> CPDFSDK_Widget::GetTextColor() const {
CPDF_DefaultAppearance da = GetFormControl()->GetDefaultAppearance();
absl::optional<CFX_Color::TypeAndARGB> maybe_type_argb_pair =
da.GetColorARGB();
if (!maybe_type_argb_pair.has_value())
return absl::nullopt;
if (maybe_type_argb_pair.value().color_type == CFX_Color::Type::kTransparent)
return absl::nullopt;
return ArgbToColorRef(maybe_type_argb_pair.value().argb);
}
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()) {
CXFA_Node* node = hWidget->GetNode();
if (node->IsWidgetReady()) {
if (nIndex < node->CountSelectedItems())
return node->GetSelectedItem(nIndex);
}
}
#endif // PDF_ENABLE_XFA
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetSelectedIndex(nIndex);
}
WideString CPDFSDK_Widget::GetValue() const {
#ifdef PDF_ENABLE_XFA
if (CXFA_FFWidget* hWidget = GetMixXFAWidget()) {
CXFA_Node* node = hWidget->GetNode();
if (node->IsWidgetReady())
return node->GetValue(XFA_ValuePicture::kDisplay);
}
#endif // PDF_ENABLE_XFA
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetValue();
}
WideString CPDFSDK_Widget::GetExportValue() const {
CPDF_FormControl* pFormCtrl = GetFormControl();
return pFormCtrl->GetExportValue();
}
WideString CPDFSDK_Widget::GetOptionLabel(int nIndex) const {
CPDF_FormField* pFormField = GetFormField();
return pFormField->GetOptionLabel(nIndex);
}
WideString CPDFSDK_Widget::GetSelectExportText(int nIndex) const {
if (nIndex < 0)
return WideString();
CPDF_FormField* pFormField = GetFormField();
if (!pFormField)
return WideString();
WideString swRet = pFormField->GetOptionValue(nIndex);
if (!swRet.IsEmpty())
return swRet;
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()) {
CXFA_Node* node = hWidget->GetNode();
if (node->IsWidgetReady()) {
if (nIndex > -1 &&
static_cast<size_t>(nIndex) < node->CountChoiceListItems(false)) {
return node->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()) {
CXFA_Node* node = hWidget->GetNode();
if (node->IsWidgetReady())
return node->GetCheckState() == XFA_CheckState::kOn;
}
#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) {
CPDF_FormControl* pFormCtrl = GetFormControl();
CPDF_FormField* pFormField = pFormCtrl->GetField();
pFormField->CheckControl(pFormField->GetControlIndex(pFormCtrl), bChecked,
NotificationOption::kDoNotNotify);
#ifdef PDF_ENABLE_XFA
if (!IsWidgetAppearanceValid(CPDF_Annot::AppearanceMode::kNormal))
ResetXFAAppearance(CPDFSDK_Widget::kValueChanged);
Synchronize(true);
#endif // PDF_ENABLE_XFA
}
void CPDFSDK_Widget::SetValue(const WideString& sValue) {
CPDF_FormField* pFormField = GetFormField();
pFormField->SetValue(sValue, NotificationOption::kDoNotNotify);
#ifdef PDF_ENABLE_XFA
Synchronize(true);
#endif // PDF_ENABLE_XFA
}
void CPDFSDK_Widget::SetOptionSelection(int index) {
CPDF_FormField* pFormField = GetFormField();
pFormField->SetItemSelection(index, NotificationOption::kDoNotNotify);
#ifdef PDF_ENABLE_XFA
Synchronize(true);
#endif // PDF_ENABLE_XFA
}
void CPDFSDK_Widget::ClearSelection() {
CPDF_FormField* pFormField = GetFormField();
pFormField->ClearSelection(NotificationOption::kDoNotNotify);
#ifdef PDF_ENABLE_XFA
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::ResetXFAAppearance(ValueChanged bValueChanged) {
switch (GetFieldType()) {
case FormFieldType::kTextField:
case FormFieldType::kComboBox: {
ResetAppearance(OnFormat(), kValueChanged);
break;
}
default:
ResetAppearance(absl::nullopt, kValueUnchanged);
break;
}
}
#endif // PDF_ENABLE_XFA
void CPDFSDK_Widget::ResetAppearance(absl::optional<WideString> sValue,
ValueChanged bValueChanged) {
SetAppModified();
m_nAppearanceAge++;
if (bValueChanged == kValueChanged)
m_nValueAge++;
CPDFSDK_AppStream appStream(this, GetAPDict().Get());
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;
}
ClearCachedAnnotAP();
}
absl::optional<WideString> CPDFSDK_Widget::OnFormat() {
CPDF_FormField* pFormField = GetFormField();
DCHECK(pFormField);
return m_pInteractiveForm->OnFormat(pFormField);
}
void CPDFSDK_Widget::ResetFieldAppearance() {
CPDF_FormField* pFormField = GetFormField();
DCHECK(pFormField);
m_pInteractiveForm->ResetFieldAppearance(pFormField, absl::nullopt);
}
void CPDFSDK_Widget::OnDraw(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
bool bDrawAnnots) {
if (IsSignatureWidget()) {
DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::AppearanceMode::kNormal);
return;
}
GetInteractiveFormFiller()->OnDraw(GetPageView(), this, pDevice,
mtUser2Device);
}
bool CPDFSDK_Widget::DoHitTest(const CFX_PointF& point) {
if (IsSignatureWidget() || !IsVisible())
return false;
if (GetFieldFlags() & pdfium::form_flags::kReadOnly)
return false;
bool do_hit_test = GetFieldType() == FormFieldType::kPushButton;
if (!do_hit_test) {
uint32_t perms = GetPDFPage()->GetDocument()->GetUserPermissions(
/*get_owner_perms=*/true);
do_hit_test = (perms & pdfium::access_permissions::kFillForm) ||
(perms & pdfium::access_permissions::kModifyAnnotation);
}
return do_hit_test && GetViewBBox().Contains(point);
}
CFX_FloatRect CPDFSDK_Widget::GetViewBBox() {
if (IsSignatureWidget())
return CFX_FloatRect();
auto* form_filler = GetInteractiveFormFiller();
return CFX_FloatRect(form_filler->GetViewBBox(GetPageView(), this));
}
void CPDFSDK_Widget::OnMouseEnter(Mask<FWL_EVENTFLAG> nFlags) {
if (IsSignatureWidget())
return;
ObservedPtr<CPDFSDK_Widget> observer(this);
GetInteractiveFormFiller()->OnMouseEnter(GetPageView(), observer, nFlags);
}
void CPDFSDK_Widget::OnMouseExit(Mask<FWL_EVENTFLAG> nFlags) {
if (IsSignatureWidget())
return;
ObservedPtr<CPDFSDK_Widget> observer(this);
GetInteractiveFormFiller()->OnMouseExit(GetPageView(), observer, nFlags);
}
bool CPDFSDK_Widget::OnLButtonDown(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
if (IsSignatureWidget())
return false;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnLButtonDown(GetPageView(), observer,
nFlags, point);
}
bool CPDFSDK_Widget::OnLButtonUp(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
if (IsSignatureWidget())
return false;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnLButtonUp(GetPageView(), observer,
nFlags, point);
}
bool CPDFSDK_Widget::OnLButtonDblClk(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
if (IsSignatureWidget())
return false;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnLButtonDblClk(GetPageView(), observer,
nFlags, point);
}
bool CPDFSDK_Widget::OnMouseMove(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
if (IsSignatureWidget())
return false;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnMouseMove(GetPageView(), observer,
nFlags, point);
}
bool CPDFSDK_Widget::OnMouseWheel(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point,
const CFX_Vector& delta) {
if (IsSignatureWidget())
return false;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnMouseWheel(GetPageView(), observer,
nFlags, point, delta);
}
bool CPDFSDK_Widget::OnRButtonDown(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
if (IsSignatureWidget())
return false;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnRButtonDown(GetPageView(), observer,
nFlags, point);
}
bool CPDFSDK_Widget::OnRButtonUp(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
if (IsSignatureWidget())
return false;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnRButtonUp(GetPageView(), observer,
nFlags, point);
}
bool CPDFSDK_Widget::OnChar(uint32_t nChar, Mask<FWL_EVENTFLAG> nFlags) {
return !IsSignatureWidget() &&
GetInteractiveFormFiller()->OnChar(this, nChar, nFlags);
}
bool CPDFSDK_Widget::OnKeyDown(FWL_VKEYCODE nKeyCode,
Mask<FWL_EVENTFLAG> nFlags) {
return !IsSignatureWidget() &&
GetInteractiveFormFiller()->OnKeyDown(this, nKeyCode, nFlags);
}
bool CPDFSDK_Widget::OnSetFocus(Mask<FWL_EVENTFLAG> nFlags) {
if (!IsFocusableAnnot(GetPDFAnnot()->GetSubtype()))
return false;
if (IsSignatureWidget())
return true;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnSetFocus(observer, nFlags);
}
bool CPDFSDK_Widget::OnKillFocus(Mask<FWL_EVENTFLAG> nFlags) {
if (!IsFocusableAnnot(GetPDFAnnot()->GetSubtype()))
return false;
if (IsSignatureWidget())
return true;
ObservedPtr<CPDFSDK_Widget> observer(this);
return GetInteractiveFormFiller()->OnKillFocus(observer, nFlags);
}
bool CPDFSDK_Widget::CanUndo() {
return !IsSignatureWidget() && GetInteractiveFormFiller()->CanUndo(this);
}
bool CPDFSDK_Widget::CanRedo() {
return !IsSignatureWidget() && GetInteractiveFormFiller()->CanRedo(this);
}
bool CPDFSDK_Widget::Undo() {
return !IsSignatureWidget() && GetInteractiveFormFiller()->Undo(this);
}
bool CPDFSDK_Widget::Redo() {
return !IsSignatureWidget() && GetInteractiveFormFiller()->Redo(this);
}
WideString CPDFSDK_Widget::GetText() {
if (IsSignatureWidget())
return WideString();
return GetInteractiveFormFiller()->GetText(this);
}
WideString CPDFSDK_Widget::GetSelectedText() {
if (IsSignatureWidget())
return WideString();
return GetInteractiveFormFiller()->GetSelectedText(this);
}
void CPDFSDK_Widget::ReplaceAndKeepSelection(const WideString& text) {
if (IsSignatureWidget())
return;
GetInteractiveFormFiller()->ReplaceAndKeepSelection(this, text);
}
void CPDFSDK_Widget::ReplaceSelection(const WideString& text) {
if (IsSignatureWidget())
return;
GetInteractiveFormFiller()->ReplaceSelection(this, text);
}
bool CPDFSDK_Widget::SelectAllText() {
return !IsSignatureWidget() &&
GetInteractiveFormFiller()->SelectAllText(this);
}
bool CPDFSDK_Widget::SetIndexSelected(int index, bool selected) {
ObservedPtr<CPDFSDK_Widget> observer(this);
return !IsSignatureWidget() && GetInteractiveFormFiller()->SetIndexSelected(
observer, index, selected);
}
bool CPDFSDK_Widget::IsIndexSelected(int index) {
ObservedPtr<CPDFSDK_Widget> observer(this);
return !IsSignatureWidget() &&
GetInteractiveFormFiller()->IsIndexSelected(observer, index);
}
void CPDFSDK_Widget::DrawAppearance(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
CPDF_Annot::AppearanceMode mode) {
FormFieldType fieldType = GetFieldType();
if ((fieldType == FormFieldType::kCheckBox ||
fieldType == FormFieldType::kRadioButton) &&
mode == CPDF_Annot::AppearanceMode::kNormal &&
!IsWidgetAppearanceValid(CPDF_Annot::AppearanceMode::kNormal)) {
CFX_GraphStateData gsd;
gsd.m_LineWidth = 0.0f;
CFX_Path path;
path.AppendFloatRect(GetRect());
pDevice->DrawPath(path, &mtUser2Device, &gsd, 0, 0xFFAAAAAA,
CFX_FillRenderOptions::EvenOddOptions());
} else {
CPDFSDK_BAAnnot::DrawAppearance(pDevice, mtUser2Device, mode);
}
}
void CPDFSDK_Widget::UpdateField() {
CPDF_FormField* pFormField = GetFormField();
DCHECK(pFormField);
m_pInteractiveForm->UpdateField(pFormField);
}
void CPDFSDK_Widget::DrawShadow(CFX_RenderDevice* pDevice,
CPDFSDK_PageView* pPageView) {
FormFieldType fieldType = GetFieldType();
if (!m_pInteractiveForm->IsNeedHighLight(fieldType))
return;
CFX_Matrix page2device = pPageView->GetCurrentMatrix();
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();
pDevice->FillRect(
rcDevice.ToFxRect(),
AlphaAndColorRefToArgb(
static_cast<int>(m_pInteractiveForm->GetHighlightAlpha()),
m_pInteractiveForm->GetHighlightColor(fieldType)));
}
CFX_FloatRect CPDFSDK_Widget::GetClientRect() const {
CFX_FloatRect rcWindow = GetRotatedRect();
float fBorderWidth = GetBorderWidth();
switch (GetBorderStyle()) {
case BorderStyle::kBeveled:
case BorderStyle::kInset:
fBorderWidth *= 2.0f;
break;
default:
break;
}
return rcWindow.GetDeflated(fBorderWidth, fBorderWidth);
}
CFX_FloatRect CPDFSDK_Widget::GetRotatedRect() const {
CFX_FloatRect rectAnnot = GetRect();
float fWidth = rectAnnot.Width();
float fHeight = rectAnnot.Height();
CPDF_FormControl* pControl = GetFormControl();
CFX_FloatRect rcPWLWindow;
switch (abs(pControl->GetRotation() % 360)) {
case 0:
case 180:
default:
rcPWLWindow = CFX_FloatRect(0, 0, fWidth, fHeight);
break;
case 90:
case 270:
rcPWLWindow = CFX_FloatRect(0, 0, fHeight, fWidth);
break;
}
return rcPWLWindow;
}
CFX_Matrix CPDFSDK_Widget::GetMatrix() const {
CFX_Matrix mt;
CPDF_FormControl* pControl = GetFormControl();
CFX_FloatRect rcAnnot = GetRect();
float fWidth = rcAnnot.Width();
float fHeight = rcAnnot.Height();
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 {
CPDF_FormControl* pFormCtrl = GetFormControl();
absl::optional<CFX_Color> crText =
pFormCtrl->GetDefaultAppearance().GetColor();
return crText.value_or(CFX_Color(CFX_Color::Type::kGray, 0));
}
CFX_Color CPDFSDK_Widget::GetBorderPWLColor() const {
CPDF_FormControl* pFormCtrl = GetFormControl();
return pFormCtrl->GetOriginalBorderColor();
}
CFX_Color CPDFSDK_Widget::GetFillPWLColor() const {
CPDF_FormControl* pFormCtrl = GetFormControl();
return pFormCtrl->GetOriginalBackgroundColor();
}
bool CPDFSDK_Widget::OnAAction(CPDF_AAction::AActionType type,
CFFL_FieldAction* data,
const CPDFSDK_PageView* pPageView) {
CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv();
#ifdef PDF_ENABLE_XFA
if (HandleXFAAAction(type, data, pFormFillEnv))
return true;
#endif // PDF_ENABLE_XFA
CPDF_Action action = GetAAction(type);
if (action.GetType() != CPDF_Action::Type::kUnknown) {
pFormFillEnv->DoActionField(action, type, GetFormField(), data);
}
return false;
}
void CPDFSDK_Widget::OnLoad() {
if (IsSignatureWidget())
return;
if (!IsAppearanceValid())
ResetAppearance(absl::nullopt, CPDFSDK_Widget::kValueUnchanged);
FormFieldType field_type = GetFieldType();
if (field_type == FormFieldType::kTextField ||
field_type == FormFieldType::kComboBox) {
ObservedPtr<CPDFSDK_Annot> pObserved(this);
absl::optional<WideString> sValue = OnFormat();
if (!pObserved)
return;
if (sValue.has_value() && field_type == FormFieldType::kComboBox)
ResetAppearance(sValue, CPDFSDK_Widget::kValueUnchanged);
}
#ifdef PDF_ENABLE_XFA
auto* pContext = GetPageView()->GetFormFillEnv()->GetDocExtension();
if (pContext && pContext->ContainsExtensionForegroundForm()) {
if (!IsAppearanceValid() && !GetValue().IsEmpty())
ResetXFAAppearance(CPDFSDK_Widget::kValueUnchanged);
}
#endif // PDF_ENABLE_XFA
}
CPDF_Action CPDFSDK_Widget::GetAAction(CPDF_AAction::AActionType eAAT) {
switch (eAAT) {
case CPDF_AAction::kCursorEnter:
case CPDF_AAction::kCursorExit:
case CPDF_AAction::kButtonDown:
case CPDF_AAction::kButtonUp:
case CPDF_AAction::kGetFocus:
case CPDF_AAction::kLoseFocus:
case CPDF_AAction::kPageOpen:
case CPDF_AAction::kPageClose:
case CPDF_AAction::kPageVisible:
case CPDF_AAction::kPageInvisible:
return CPDFSDK_BAAnnot::GetAAction(eAAT);
case CPDF_AAction::kKeyStroke:
case CPDF_AAction::kFormat:
case CPDF_AAction::kValidate:
case CPDF_AAction::kCalculate: {
CPDF_FormField* pField = GetFormField();
if (pField->GetAdditionalAction().HasDict())
return pField->GetAdditionalAction().GetAction(eAAT);
return CPDFSDK_BAAnnot::GetAAction(eAAT);
}
default:
break;
}
return CPDF_Action(nullptr);
}
CFFL_InteractiveFormFiller* CPDFSDK_Widget::GetInteractiveFormFiller() {
return GetPageView()->GetFormFillEnv()->GetInteractiveFormFiller();
}