// 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_interactiveformfiller.h" #include "core/fpdfapi/page/cpdf_page.h" #include "core/fpdfapi/parser/cpdf_document.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/cpdfsdk_widget.h" #include "fpdfsdk/formfiller/cffl_checkbox.h" #include "fpdfsdk/formfiller/cffl_combobox.h" #include "fpdfsdk/formfiller/cffl_formfiller.h" #include "fpdfsdk/formfiller/cffl_listbox.h" #include "fpdfsdk/formfiller/cffl_pushbutton.h" #include "fpdfsdk/formfiller/cffl_radiobutton.h" #include "fpdfsdk/formfiller/cffl_textfield.h" #include "third_party/base/stl_util.h" CFFL_InteractiveFormFiller::CFFL_InteractiveFormFiller( CPDFSDK_FormFillEnvironment* pFormFillEnv) : m_pFormFillEnv(pFormFillEnv), m_bNotifying(false) {} CFFL_InteractiveFormFiller::~CFFL_InteractiveFormFiller() {} bool CFFL_InteractiveFormFiller::Annot_HitTest(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, const CFX_PointF& point) { return pAnnot->GetRect().Contains(point); } FX_RECT CFFL_InteractiveFormFiller::GetViewBBox(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) { if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false)) return pFormFiller->GetViewBBox(pPageView, pAnnot); ASSERT(pPageView); CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot(); CFX_FloatRect rcWin = pPDFAnnot->GetRect(); if (!rcWin.IsEmpty()) { rcWin.Inflate(1, 1); rcWin.Normalize(); } return rcWin.GetOuterRect(); } void CFFL_InteractiveFormFiller::OnDraw(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device) { ASSERT(pPageView); CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot); if (!IsVisible(pWidget)) return; CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false); if (pFormFiller && pFormFiller->IsValid()) { pFormFiller->OnDraw(pPageView, pAnnot, pDevice, pUser2Device); 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.SetDashCount(1); gsd.m_DashArray[0] = 1.0f; gsd.m_DashPhase = 0; gsd.m_LineWidth = 1.0f; pDevice->DrawPath(&path, pUser2Device, &gsd, 0, ArgbEncode(255, 0, 0, 0), FXFILL_ALTERNATE); return; } pFormFiller = GetFormFiller(pAnnot, false); if (pFormFiller) pFormFiller->OnDrawDeactive(pPageView, pAnnot, pDevice, pUser2Device); else pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); if (!IsReadOnly(pWidget) && IsFillingAllowed(pWidget)) pWidget->DrawShadow(pDevice, pPageView); } void CFFL_InteractiveFormFiller::OnDelete(CPDFSDK_Annot* pAnnot) { UnRegisterFormFiller(pAnnot); } void CFFL_InteractiveFormFiller::OnMouseEnter( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlag) { ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); if (!m_bNotifying) { CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (pWidget->GetAAction(CPDF_AAction::CursorEnter).GetDict()) { m_bNotifying = true; int nValueAge = pWidget->GetValueAge(); pWidget->ClearAppModified(); ASSERT(pPageView); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); pWidget->OnAAction(CPDF_AAction::CursorEnter, fa, pPageView); m_bNotifying = false; if (!(*pAnnot)) return; if (pWidget->IsAppModified()) { if (CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, false)) { pFormFiller->ResetPDFWindow(pPageView, pWidget->GetValueAge() == nValueAge); } } } } if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), true)) pFormFiller->OnMouseEnter(pPageView, pAnnot->Get()); } 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 = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (pWidget->GetAAction(CPDF_AAction::CursorExit).GetDict()) { m_bNotifying = true; pWidget->GetAppearanceAge(); int nValueAge = pWidget->GetValueAge(); pWidget->ClearAppModified(); ASSERT(pPageView); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); pWidget->OnAAction(CPDF_AAction::CursorExit, fa, pPageView); m_bNotifying = false; if (!(*pAnnot)) 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()); } 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 = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (Annot_HitTest(pPageView, pAnnot->Get(), point) && pWidget->GetAAction(CPDF_AAction::ButtonDown).GetDict()) { m_bNotifying = true; pWidget->GetAppearanceAge(); int nValueAge = pWidget->GetValueAge(); pWidget->ClearAppModified(); ASSERT(pPageView); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlags); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlags); pWidget->OnAAction(CPDF_AAction::ButtonDown, fa, pPageView); m_bNotifying = false; if (!(*pAnnot)) 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 = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); bool bSetFocus; switch (pWidget->GetFieldType()) { case FIELDTYPE_PUSHBUTTON: case FIELDTYPE_CHECKBOX: case FIELDTYPE_RADIOBUTTON: { 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; } bool CFFL_InteractiveFormFiller::OnButtonUp(CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return false; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (!pWidget->GetAAction(CPDF_AAction::ButtonUp).GetDict()) return false; m_bNotifying = true; int nAge = pWidget->GetAppearanceAge(); int nValueAge = pWidget->GetValueAge(); ASSERT(pPageView); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); pWidget->OnAAction(CPDF_AAction::ButtonUp, fa, pPageView); m_bNotifying = false; if (!(*pAnnot) || !IsValidAnnot(pPageView, pWidget)) return true; if (nAge == pWidget->GetAppearanceAge()) return false; CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, false); if (pFormFiller) pFormFiller->ResetPDFWindow(pPageView, nValueAge == pWidget->GetValueAge()); return true; } bool CFFL_InteractiveFormFiller::OnLButtonDblClk( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), false); return pFormFiller && pFormFiller->OnLButtonDblClk(pPageView, pAnnot->Get(), nFlags, point); } bool CFFL_InteractiveFormFiller::OnMouseMove(CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), true); return pFormFiller && pFormFiller->OnMouseMove(pPageView, pAnnot->Get(), nFlags, point); } bool CFFL_InteractiveFormFiller::OnMouseWheel( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, short zDelta, const CFX_PointF& point) { ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), false); return pFormFiller && pFormFiller->OnMouseWheel(pPageView, pAnnot->Get(), nFlags, zDelta, point); } bool CFFL_InteractiveFormFiller::OnRButtonDown( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), false); return pFormFiller && pFormFiller->OnRButtonDown(pPageView, pAnnot->Get(), nFlags, point); } bool CFFL_InteractiveFormFiller::OnRButtonUp(CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), false); return pFormFiller && pFormFiller->OnRButtonUp(pPageView, pAnnot->Get(), nFlags, point); } bool CFFL_InteractiveFormFiller::OnKeyDown(CPDFSDK_Annot* pAnnot, uint32_t nKeyCode, uint32_t nFlags) { ASSERT(pAnnot->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false); return pFormFiller && pFormFiller->OnKeyDown(pAnnot, nKeyCode, nFlags); } bool CFFL_InteractiveFormFiller::OnChar(CPDFSDK_Annot* pAnnot, uint32_t nChar, uint32_t nFlags) { ASSERT(pAnnot->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); if (nChar == FWL_VKEY_Tab) return true; CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false); return pFormFiller && pFormFiller->OnChar(pAnnot, nChar, nFlags); } bool CFFL_InteractiveFormFiller::OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlag) { if (!(*pAnnot)) return false; ASSERT((*pAnnot)->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); if (!m_bNotifying) { CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (pWidget->GetAAction(CPDF_AAction::GetFocus).GetDict()) { m_bNotifying = true; pWidget->GetAppearanceAge(); int nValueAge = pWidget->GetValueAge(); pWidget->ClearAppModified(); CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, true); if (!pFormFiller) return false; CPDFSDK_PageView* pPageView = (*pAnnot)->GetPageView(); ASSERT(pPageView); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); pFormFiller->GetActionData(pPageView, CPDF_AAction::GetFocus, fa); pWidget->OnAAction(CPDF_AAction::GetFocus, fa, pPageView); m_bNotifying = false; if (!(*pAnnot)) return false; if (pWidget->IsAppModified()) { if (CFFL_FormFiller* pFiller = GetFormFiller(pWidget, false)) { pFiller->ResetPDFWindow(pPageView, nValueAge == pWidget->GetValueAge()); } } } } if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot->Get(), true)) pFormFiller->SetFocusForAnnot(pAnnot->Get(), nFlag); return true; } bool CFFL_InteractiveFormFiller::OnKillFocus(CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlag) { if (!(*pAnnot)) 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)) return false; if (m_bNotifying) return true; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (!pWidget->GetAAction(CPDF_AAction::LoseFocus).GetDict()) return true; m_bNotifying = true; pWidget->ClearAppModified(); CPDFSDK_PageView* pPageView = pWidget->GetPageView(); ASSERT(pPageView); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); pFormFiller->GetActionData(pPageView, CPDF_AAction::LoseFocus, fa); pWidget->OnAAction(CPDF_AAction::LoseFocus, fa, pPageView); m_bNotifying = false; return !!(*pAnnot); } bool CFFL_InteractiveFormFiller::IsVisible(CPDFSDK_Widget* pWidget) { return pWidget->IsVisible(); } bool CFFL_InteractiveFormFiller::IsReadOnly(CPDFSDK_Widget* pWidget) { int nFieldFlags = pWidget->GetFieldFlags(); return (nFieldFlags & FIELDFLAG_READONLY) == FIELDFLAG_READONLY; } bool CFFL_InteractiveFormFiller::IsFillingAllowed(CPDFSDK_Widget* pWidget) { if (pWidget->GetFieldType() == FIELDTYPE_PUSHBUTTON) return false; CPDF_Page* pPage = pWidget->GetPDFPage(); uint32_t dwPermissions = pPage->m_pDocument->GetUserPermissions(); return (dwPermissions & FPDFPERM_FILL_FORM) || (dwPermissions & FPDFPERM_ANNOT_FORM) || (dwPermissions & FPDFPERM_MODIFY); } 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; // TODO(thestig): How do we know |pAnnot| is a CPDFSDK_Widget? CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot); int nFieldType = pWidget->GetFieldType(); CFFL_FormFiller* pFormFiller; switch (nFieldType) { case FIELDTYPE_PUSHBUTTON: pFormFiller = new CFFL_PushButton(m_pFormFillEnv.Get(), pWidget); break; case FIELDTYPE_CHECKBOX: pFormFiller = new CFFL_CheckBox(m_pFormFillEnv.Get(), pWidget); break; case FIELDTYPE_RADIOBUTTON: pFormFiller = new CFFL_RadioButton(m_pFormFillEnv.Get(), pWidget); break; case FIELDTYPE_TEXTFIELD: pFormFiller = new CFFL_TextField(m_pFormFillEnv.Get(), pWidget); break; case FIELDTYPE_LISTBOX: pFormFiller = new CFFL_ListBox(m_pFormFillEnv.Get(), pWidget); break; case FIELDTYPE_COMBOBOX: pFormFiller = new CFFL_ComboBox(m_pFormFillEnv.Get(), pWidget); break; case FIELDTYPE_UNKNOWN: default: pFormFiller = nullptr; break; } if (!pFormFiller) return nullptr; m_Maps[pAnnot].reset(pFormFiller); return pFormFiller; } void CFFL_InteractiveFormFiller::RemoveFormFiller(CPDFSDK_Annot* pAnnot) { if (pAnnot) UnRegisterFormFiller(pAnnot); } CFX_WideString CFFL_InteractiveFormFiller::GetSelectedText( CPDFSDK_Annot* pAnnot) { ASSERT(pAnnot->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false); return pFormFiller ? pFormFiller->GetSelectedText(pAnnot) : CFX_WideString(); } void CFFL_InteractiveFormFiller::ReplaceSelection(CPDFSDK_Annot* pAnnot, const CFX_WideString& text) { ASSERT(pAnnot->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false); if (!pFormFiller) return; pFormFiller->ReplaceSelection(pAnnot, text); } void CFFL_InteractiveFormFiller::UnRegisterFormFiller(CPDFSDK_Annot* pAnnot) { auto it = m_Maps.find(pAnnot); if (it == m_Maps.end()) return; m_Maps.erase(it); } void CFFL_InteractiveFormFiller::QueryWherePopup(void* pPrivateData, float fPopupMin, float fPopupMax, bool* bBottom, float* fPopupRet) { CFFL_PrivateData* pData = reinterpret_cast<CFFL_PrivateData*>(pPrivateData); CPDFSDK_Widget* pWidget = pData->pWidget; auto* pPage = pWidget->GetPDFPage(); CFX_FloatRect rcPageView(0, pPage->GetPageHeight(), pPage->GetPageWidth(), 0); rcPageView.Normalize(); CFX_FloatRect rcAnnot = pWidget->GetRect(); float fTop = 0.0f; float fBottom = 0.0f; switch (pWidget->GetRotate() / 90) { default: case 0: fTop = rcPageView.top - rcAnnot.top; fBottom = rcAnnot.bottom - rcPageView.bottom; break; case 1: fTop = rcAnnot.left - rcPageView.left; fBottom = rcPageView.right - rcAnnot.right; break; case 2: fTop = rcAnnot.bottom - rcPageView.bottom; fBottom = rcPageView.top - rcAnnot.top; break; case 3: fTop = rcPageView.right - rcAnnot.right; fBottom = rcAnnot.left - rcPageView.left; break; } constexpr float kMaxListBoxHeight = 140; const float fMaxListBoxHeight = pdfium::clamp(kMaxListBoxHeight, fPopupMin, fPopupMax); if (fBottom > fMaxListBoxHeight) { *fPopupRet = fMaxListBoxHeight; *bBottom = true; return; } if (fTop > fMaxListBoxHeight) { *fPopupRet = fMaxListBoxHeight; *bBottom = false; return; } if (fTop > fBottom) { *fPopupRet = fTop; *bBottom = false; } else { *fPopupRet = fBottom; *bBottom = true; } } bool CFFL_InteractiveFormFiller::OnKeyStrokeCommit( CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return true; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (!pWidget->GetAAction(CPDF_AAction::KeyStroke).GetDict()) return true; ASSERT(pPageView); m_bNotifying = true; pWidget->ClearAppModified(); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); fa.bWillCommit = true; fa.bKeyDown = true; fa.bRC = true; CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, false); pFormFiller->GetActionData(pPageView, CPDF_AAction::KeyStroke, fa); pFormFiller->SaveState(pPageView); pWidget->OnAAction(CPDF_AAction::KeyStroke, fa, pPageView); if (!(*pAnnot)) return true; m_bNotifying = false; return fa.bRC; } bool CFFL_InteractiveFormFiller::OnValidate(CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return true; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (!pWidget->GetAAction(CPDF_AAction::Validate).GetDict()) return true; ASSERT(pPageView); m_bNotifying = true; pWidget->ClearAppModified(); PDFSDK_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::Validate, fa); pFormFiller->SaveState(pPageView); pWidget->OnAAction(CPDF_AAction::Validate, fa, pPageView); if (!(*pAnnot)) return true; m_bNotifying = false; return fa.bRC; } void CFFL_InteractiveFormFiller::OnCalculate(CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); ASSERT(pWidget); CPDFSDK_InterForm* pInterForm = pPageView->GetFormFillEnv()->GetInterForm(); pInterForm->OnCalculate(pWidget->GetFormField()); m_bNotifying = false; } void CFFL_InteractiveFormFiller::OnFormat(CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); ASSERT(pWidget); CPDFSDK_InterForm* pInterForm = pPageView->GetFormFillEnv()->GetInterForm(); bool bFormatted = false; CFX_WideString sValue = pInterForm->OnFormat(pWidget->GetFormField(), bFormatted); if (!(*pAnnot)) return; if (bFormatted) { pInterForm->ResetFieldAppearance(pWidget->GetFormField(), &sValue, true); pInterForm->UpdateField(pWidget->GetFormField()); } m_bNotifying = false; } #ifdef PDF_ENABLE_XFA bool CFFL_InteractiveFormFiller::OnClick(CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return false; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (!pWidget->HasXFAAAction(PDFSDK_XFA_Click)) return false; m_bNotifying = true; int nAge = pWidget->GetAppearanceAge(); int nValueAge = pWidget->GetValueAge(); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); pWidget->OnXFAAAction(PDFSDK_XFA_Click, fa, pPageView); m_bNotifying = false; if (!(*pAnnot) || !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 false; } bool CFFL_InteractiveFormFiller::OnFull(CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return false; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (!pWidget->HasXFAAAction(PDFSDK_XFA_Full)) return false; m_bNotifying = true; int nAge = pWidget->GetAppearanceAge(); int nValueAge = pWidget->GetValueAge(); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); pWidget->OnXFAAAction(PDFSDK_XFA_Full, fa, pPageView); m_bNotifying = false; if (!(*pAnnot) || !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::OnPopupPreOpen(void* pPrivateData, uint32_t nFlag) { CFFL_PrivateData* pData = reinterpret_cast<CFFL_PrivateData*>(pPrivateData); ASSERT(pData); ASSERT(pData->pWidget); CPDFSDK_Annot::ObservedPtr pObserved(pData->pWidget); return OnPreOpen(&pObserved, pData->pPageView, nFlag) || !pObserved; } bool CFFL_InteractiveFormFiller::OnPopupPostOpen(void* pPrivateData, uint32_t nFlag) { CFFL_PrivateData* pData = reinterpret_cast<CFFL_PrivateData*>(pPrivateData); ASSERT(pData); ASSERT(pData->pWidget); CPDFSDK_Annot::ObservedPtr pObserved(pData->pWidget); return OnPostOpen(&pObserved, pData->pPageView, nFlag) || !pObserved; } bool CFFL_InteractiveFormFiller::OnPreOpen(CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return false; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (!pWidget->HasXFAAAction(PDFSDK_XFA_PreOpen)) return false; m_bNotifying = true; int nAge = pWidget->GetAppearanceAge(); int nValueAge = pWidget->GetValueAge(); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); pWidget->OnXFAAAction(PDFSDK_XFA_PreOpen, fa, pPageView); m_bNotifying = false; if (!(*pAnnot) || !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::OnPostOpen(CPDFSDK_Annot::ObservedPtr* pAnnot, CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (m_bNotifying) return false; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot->Get()); if (!pWidget->HasXFAAAction(PDFSDK_XFA_PostOpen)) return false; m_bNotifying = true; int nAge = pWidget->GetAppearanceAge(); int nValueAge = pWidget->GetValueAge(); PDFSDK_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) || !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; } #endif // PDF_ENABLE_XFA bool CFFL_InteractiveFormFiller::IsValidAnnot(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) { return pPageView && pPageView->IsValidAnnot(pAnnot->GetPDFAnnot()); } std::pair<bool, bool> CFFL_InteractiveFormFiller::OnBeforeKeyStroke( void* pPrivateData, CFX_WideString& strChange, const CFX_WideString& strChangeEx, int nSelStart, int nSelEnd, bool bKeyDown, uint32_t nFlag) { bool bRC = true; bool bExit = false; CFFL_PrivateData* pData = reinterpret_cast<CFFL_PrivateData*>(pPrivateData); ASSERT(pData->pWidget); CFFL_FormFiller* pFormFiller = GetFormFiller(pData->pWidget, false); #ifdef PDF_ENABLE_XFA if (pFormFiller->IsFieldFull(pData->pPageView)) { CPDFSDK_Annot::ObservedPtr pObserved(pData->pWidget); if (OnFull(&pObserved, pData->pPageView, nFlag) || !pObserved) return {bRC, true}; } #endif // PDF_ENABLE_XFA if (m_bNotifying || !pData->pWidget->GetAAction(CPDF_AAction::KeyStroke).GetDict()) { return {bRC, bExit}; } CFX_AutoRestorer<bool> restorer(&m_bNotifying); m_bNotifying = true; int nAge = pData->pWidget->GetAppearanceAge(); int nValueAge = pData->pWidget->GetValueAge(); CPDFSDK_FormFillEnvironment* pFormFillEnv = pData->pPageView->GetFormFillEnv(); PDFSDK_FieldAction fa; fa.bModifier = CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); fa.bShift = CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); fa.sChange = strChange; fa.sChangeEx = strChangeEx; fa.bKeyDown = bKeyDown; fa.bWillCommit = false; fa.bRC = true; fa.nSelStart = nSelStart; fa.nSelEnd = nSelEnd; pFormFiller->GetActionData(pData->pPageView, CPDF_AAction::KeyStroke, fa); pFormFiller->SaveState(pData->pPageView); CPDFSDK_Annot::ObservedPtr pObserved(pData->pWidget); if (!pData->pWidget->OnAAction(CPDF_AAction::KeyStroke, fa, pData->pPageView)) { if (!IsValidAnnot(pData->pPageView, pData->pWidget)) bExit = true; return {bRC, bExit}; } if (!pObserved || !IsValidAnnot(pData->pPageView, pData->pWidget)) return {bRC, true}; if (nAge != pData->pWidget->GetAppearanceAge()) { CPWL_Wnd* pWnd = pFormFiller->ResetPDFWindow( pData->pPageView, nValueAge == pData->pWidget->GetValueAge()); pData = reinterpret_cast<CFFL_PrivateData*>(pWnd->GetAttachedData()); bExit = true; } if (fa.bRC) pFormFiller->SetActionData(pData->pPageView, CPDF_AAction::KeyStroke, fa); else pFormFiller->RestoreState(pData->pPageView); bRC = false; if (pFormFillEnv->GetFocusAnnot() == pData->pWidget) return {bRC, bExit}; pFormFiller->CommitData(pData->pPageView, nFlag); return {bRC, true}; }