void CFFL_Button::OnDraw(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device) {
ASSERT(pPageView);
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
CPDF_FormControl* pCtrl = pWidget->GetFormControl();
if (pCtrl->GetHighlightingMode() != CPDF_FormControl::Push) {
pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Normal,
nullptr);
return;
}
if (m_bMouseDown) {
if (pWidget->IsWidgetAppearanceValid(CPDF_Annot::Down)) {
pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Down,
nullptr);
} else {
pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Normal,
nullptr);
}
return;
}
if (m_bMouseIn) {
if (pWidget->IsWidgetAppearanceValid(CPDF_Annot::Rollover)) {
pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Rollover,
nullptr);
} else {
pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Normal,
nullptr);
}
return;
}
pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Normal, nullptr);
}
bool CFFL_CheckBox::OnChar(CPDFSDK_Annot* pAnnot,
uint32_t nChar,
uint32_t nFlags) {
switch (nChar) {
case FWL_VKEY_Return:
case FWL_VKEY_Space: {
CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
ASSERT(pPageView);
CPDFSDK_Annot::ObservedPtr pObserved(m_pWidget.Get());
if (m_pFormFillEnv->GetInteractiveFormFiller()->OnButtonUp(
&pObserved, pPageView, nFlags)) {
if (!pObserved)
m_pWidget = nullptr;
return true;
}
if (!pObserved) {
m_pWidget = nullptr;
return true;
}
CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
CPWL_CheckBox* pWnd = GetCheckBox(pPageView, true);
if (pWnd) {
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
pWnd->SetCheck(!pWidget->IsChecked());
}
return CommitData(pPageView, nFlags);
}
default:
return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
}
}
bool CFFL_InteractiveFormFiller::OnValidate(CPDFSDK_Annot::ObservedPtr* pAnnot,
CPDFSDK_PageView* pPageView,
uint32_t nFlag) {
if (m_bNotifying)
return true;
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get());
if (!pWidget->GetAAction(CPDF_AAction::kValidate).GetDict())
return true;
ASSERT(pPageView);
m_bNotifying = true;
pWidget->ClearAppModified();
CPDFSDK_FieldAction fa;
fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag);
fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag);
fa.bKeyDown = true;
fa.bRC = true;
CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, false);
pFormFiller->GetActionData(pPageView, CPDF_AAction::kValidate, fa);
pFormFiller->SaveState(pPageView);
pWidget->OnAAction(CPDF_AAction::kValidate, &fa, pPageView);
if (!pAnnot->HasObservable())
return true;
m_bNotifying = false;
return fa.bRC;
}
bool CFFL_InteractiveFormFiller::OnPostOpen(CPDFSDK_Annot::ObservedPtr* pAnnot,
CPDFSDK_PageView* pPageView,
uint32_t nFlag) {
if (m_bNotifying)
return false;
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get());
if (!pWidget->HasXFAAAction(PDFSDK_XFA_PostOpen))
return false;
m_bNotifying = true;
uint32_t nAge = pWidget->GetAppearanceAge();
uint32_t nValueAge = pWidget->GetValueAge();
CPDFSDK_FieldAction fa;
fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag);
fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag);
pWidget->OnXFAAAction(PDFSDK_XFA_PostOpen, &fa, pPageView);
m_bNotifying = false;
if (!pAnnot->HasObservable() || !IsValidAnnot(pPageView, pWidget))
return true;
if (nAge == pWidget->GetAppearanceAge())
return false;
if (CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, false))
pFormFiller->ResetPDFWindow(pPageView, nValueAge == pWidget->GetValueAge());
return true;
}
bool CFFL_InteractiveFormFiller::OnKillFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) {
if (!pAnnot->HasObservable())
return false;
ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET);
CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), false);
if (!pFormFiller)
return true;
pFormFiller->KillFocusForAnnot(pAnnot->Get(), nFlag);
if (!pAnnot->HasObservable())
return false;
if (m_bNotifying)
return true;
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get());
if (!pWidget->GetAAction(CPDF_AAction::kLoseFocus).GetDict())
return true;
m_bNotifying = true;
pWidget->ClearAppModified();
CPDFSDK_PageView* pPageView = pWidget->GetPageView();
ASSERT(pPageView);
CPDFSDK_FieldAction fa;
fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag);
fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag);
pFormFiller->GetActionData(pPageView, CPDF_AAction::kLoseFocus, fa);
pWidget->OnAAction(CPDF_AAction::kLoseFocus, &fa, pPageView);
m_bNotifying = false;
return pAnnot->HasObservable();
}
void CFFL_InteractiveFormFiller::OnMouseExit(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) {
ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET);
if (!m_bNotifying) {
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get());
if (pWidget->GetAAction(CPDF_AAction::kCursorExit).GetDict()) {
m_bNotifying = true;
uint32_t nValueAge = pWidget->GetValueAge();
pWidget->ClearAppModified();
ASSERT(pPageView);
CPDFSDK_FieldAction fa;
fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag);
fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag);
pWidget->OnAAction(CPDF_AAction::kCursorExit, &fa, pPageView);
m_bNotifying = false;
if (!pAnnot->HasObservable())
return;
if (pWidget->IsAppModified()) {
if (CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, false)) {
pFormFiller->ResetPDFWindow(pPageView,
nValueAge == pWidget->GetValueAge());
}
}
}
}
if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), false))
pFormFiller->OnMouseExit(pPageView, pAnnot->Get());
}
CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::GetNextAnnot(CPDFSDK_Annot* pSDKAnnot,
bool bNext) {
#ifdef PDF_ENABLE_XFA
CPDFSDK_PageView* pPageView = pSDKAnnot->GetPageView();
CPDFXFA_Page* pPage = pPageView->GetPDFXFAPage();
if (pPage && !pPage->AsPDFPage()) {
// For xfa annots in XFA pages not backed by PDF pages.
std::unique_ptr<IXFA_WidgetIterator> pWidgetIterator(
pPage->GetXFAPageView()->CreateWidgetIterator(
XFA_TRAVERSEWAY_Tranvalse, XFA_WidgetStatus_Visible |
XFA_WidgetStatus_Viewable |
XFA_WidgetStatus_Focused));
if (!pWidgetIterator)
return nullptr;
if (pWidgetIterator->GetCurrentWidget() != pSDKAnnot->GetXFAWidget())
pWidgetIterator->SetCurrentWidget(pSDKAnnot->GetXFAWidget());
CXFA_FFWidget* hNextFocus = bNext ? pWidgetIterator->MoveToNext()
: pWidgetIterator->MoveToPrevious();
if (!hNextFocus && pSDKAnnot)
hNextFocus = pWidgetIterator->MoveToFirst();
return pPageView->GetAnnotByXFAWidget(hNextFocus);
}
#endif // PDF_ENABLE_XFA
// For PDF annots.
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pSDKAnnot);
CPDFSDK_AnnotIterator ai(pWidget->GetPageView(), pWidget->GetAnnotSubtype());
return bNext ? ai.GetNextAnnot(pWidget) : ai.GetPrevAnnot(pWidget);
}
void CFFL_InteractiveFormFiller::OnDraw(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device) {
ASSERT(pPageView);
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
if (!IsVisible(pWidget))
return;
CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false);
if (pFormFiller && pFormFiller->IsValid()) {
pFormFiller->OnDraw(pPageView, pAnnot, pDevice, mtUser2Device);
pAnnot->GetPDFPage();
if (m_pFormFillEnv->GetFocusAnnot() != pAnnot)
return;
CFX_FloatRect rcFocus = pFormFiller->GetFocusBox(pPageView);
if (rcFocus.IsEmpty())
return;
CFX_PathData path;
path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.top), FXPT_TYPE::MoveTo,
false);
path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.bottom),
FXPT_TYPE::LineTo, false);
path.AppendPoint(CFX_PointF(rcFocus.right, rcFocus.bottom),
FXPT_TYPE::LineTo, false);
path.AppendPoint(CFX_PointF(rcFocus.right, rcFocus.top), FXPT_TYPE::LineTo,
false);
path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.top), FXPT_TYPE::LineTo,
false);
CFX_GraphStateData gsd;
gsd.m_DashArray = {1.0f};
gsd.m_DashPhase = 0;
gsd.m_LineWidth = 1.0f;
pDevice->DrawPath(&path, &mtUser2Device, &gsd, 0, ArgbEncode(255, 0, 0, 0),
FXFILL_ALTERNATE);
return;
}
pFormFiller = GetFormFiller(pAnnot, false);
if (pFormFiller) {
pFormFiller->OnDrawDeactive(pPageView, pAnnot, pDevice, mtUser2Device);
} else {
pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Normal,
nullptr);
}
if (!IsReadOnly(pWidget) && IsFillingAllowed(pWidget))
pWidget->DrawShadow(pDevice, pPageView);
}
void CFFL_InteractiveFormFiller::OnCalculate(CPDFSDK_Annot::ObservedPtr* pAnnot,
CPDFSDK_PageView* pPageView,
uint32_t nFlag) {
if (m_bNotifying)
return;
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get());
if (pWidget) {
CPDFSDK_InteractiveForm* pForm =
pPageView->GetFormFillEnv()->GetInteractiveForm();
pForm->OnCalculate(pWidget->GetFormField());
}
m_bNotifying = false;
}
CFFL_FormFiller* CFFL_InteractiveFormFiller::GetFormFiller(
CPDFSDK_Annot* pAnnot,
bool bRegister) {
auto it = m_Maps.find(pAnnot);
if (it != m_Maps.end())
return it->second.get();
if (!bRegister)
return nullptr;
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
FormFieldType fieldType = pWidget->GetFieldType();
std::unique_ptr<CFFL_FormFiller> pFormFiller;
switch (fieldType) {
case FormFieldType::kPushButton:
pFormFiller =
pdfium::MakeUnique<CFFL_PushButton>(m_pFormFillEnv.Get(), pWidget);
break;
case FormFieldType::kCheckBox:
pFormFiller =
pdfium::MakeUnique<CFFL_CheckBox>(m_pFormFillEnv.Get(), pWidget);
break;
case FormFieldType::kRadioButton:
pFormFiller =
pdfium::MakeUnique<CFFL_RadioButton>(m_pFormFillEnv.Get(), pWidget);
break;
case FormFieldType::kTextField:
pFormFiller =
pdfium::MakeUnique<CFFL_TextField>(m_pFormFillEnv.Get(), pWidget);
break;
case FormFieldType::kListBox:
pFormFiller =
pdfium::MakeUnique<CFFL_ListBox>(m_pFormFillEnv.Get(), pWidget);
break;
case FormFieldType::kComboBox:
pFormFiller =
pdfium::MakeUnique<CFFL_ComboBox>(m_pFormFillEnv.Get(), pWidget);
break;
case FormFieldType::kUnknown:
default:
break;
}
if (!pFormFiller)
return nullptr;
CFFL_FormFiller* result = pFormFiller.get();
m_Maps[pAnnot] = std::move(pFormFiller);
return result;
}
bool CFFL_CheckBox::OnLButtonUp(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
CFFL_Button::OnLButtonUp(pPageView, pAnnot, nFlags, point);
if (!IsValid())
return true;
CPWL_CheckBox* pWnd = GetCheckBox(pPageView, true);
if (pWnd) {
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
pWnd->SetCheck(!pWidget->IsChecked());
}
return CommitData(pPageView, nFlags);
}
void CFFL_InteractiveFormFiller::OnFormat(CPDFSDK_Annot::ObservedPtr* pAnnot,
CPDFSDK_PageView* pPageView,
uint32_t nFlag) {
if (m_bNotifying)
return;
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get());
ASSERT(pWidget);
CPDFSDK_InteractiveForm* pForm =
pPageView->GetFormFillEnv()->GetInteractiveForm();
Optional<WideString> sValue = pForm->OnFormat(pWidget->GetFormField());
if (!pAnnot->HasObservable())
return;
if (sValue.has_value()) {
pForm->ResetFieldAppearance(pWidget->GetFormField(), sValue, true);
pForm->UpdateField(pWidget->GetFormField());
}
m_bNotifying = false;
}
bool CFFL_InteractiveFormFiller::OnLButtonDown(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET);
if (!m_bNotifying) {
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get());
if (Annot_HitTest(pPageView, pAnnot->Get(), point) &&
pWidget->GetAAction(CPDF_AAction::kButtonDown).GetDict()) {
m_bNotifying = true;
uint32_t nValueAge = pWidget->GetValueAge();
pWidget->ClearAppModified();
ASSERT(pPageView);
CPDFSDK_FieldAction fa;
fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlags);
fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlags);
pWidget->OnAAction(CPDF_AAction::kButtonDown, &fa, pPageView);
m_bNotifying = false;
if (!pAnnot->HasObservable())
return true;
if (!IsValidAnnot(pPageView, pAnnot->Get()))
return true;
if (pWidget->IsAppModified()) {
if (CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, false)) {
pFormFiller->ResetPDFWindow(pPageView,
nValueAge == pWidget->GetValueAge());
}
}
}
}
CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), false);
return pFormFiller &&
pFormFiller->OnLButtonDown(pPageView, pAnnot->Get(), nFlags, point);
}
bool CFFL_InteractiveFormFiller::OnLButtonUp(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET);
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get());
bool bSetFocus;
switch (pWidget->GetFieldType()) {
case FormFieldType::kPushButton:
case FormFieldType::kCheckBox:
case FormFieldType::kRadioButton: {
FX_RECT bbox = GetViewBBox(pPageView, pAnnot->Get());
bSetFocus =
bbox.Contains(static_cast<int>(point.x), static_cast<int>(point.y));
break;
}
default:
bSetFocus = true;
break;
}
if (bSetFocus)
m_pFormFillEnv->SetFocusAnnot(pAnnot);
CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), false);
bool bRet = pFormFiller &&
pFormFiller->OnLButtonUp(pPageView, pAnnot->Get(), nFlags, point);
if (m_pFormFillEnv->GetFocusAnnot() != pAnnot->Get())
return bRet;
if (OnButtonUp(pAnnot, pPageView, nFlags) || !pAnnot)
return true;
#ifdef PDF_ENABLE_XFA
if (OnClick(pAnnot, pPageView, nFlags) || !pAnnot)
return true;
#endif // PDF_ENABLE_XFA
return bRet;
}
