| // 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_xfawidgethandler.h" |
| |
| #include "core/fpdfdoc/cpdf_interform.h" |
| #include "fpdfsdk/cpdfsdk_annot.h" |
| #include "fpdfsdk/cpdfsdk_formfillenvironment.h" |
| #include "fpdfsdk/cpdfsdk_interform.h" |
| #include "fpdfsdk/cpdfsdk_pageview.h" |
| #include "fpdfsdk/cpdfsdk_xfawidget.h" |
| #include "fpdfsdk/fpdfxfa/cpdfxfa_context.h" |
| #include "xfa/fwl/cfwl_app.h" |
| #include "xfa/fwl/fwl_widgethit.h" |
| #include "xfa/fxfa/cxfa_ffdocview.h" |
| #include "xfa/fxfa/cxfa_ffpageview.h" |
| #include "xfa/fxfa/cxfa_ffwidget.h" |
| #include "xfa/fxfa/cxfa_ffwidgethandler.h" |
| #include "xfa/fxfa/fxfa_basic.h" |
| #include "xfa/fxfa/parser/cxfa_node.h" |
| #include "xfa/fxgraphics/cxfa_graphics.h" |
| |
| CPDFSDK_XFAWidgetHandler::CPDFSDK_XFAWidgetHandler( |
| CPDFSDK_FormFillEnvironment* pFormFillEnv) |
| : m_pFormFillEnv(pFormFillEnv) {} |
| |
| CPDFSDK_XFAWidgetHandler::~CPDFSDK_XFAWidgetHandler() {} |
| |
| bool CPDFSDK_XFAWidgetHandler::CanAnswer(CPDFSDK_Annot* pAnnot) { |
| return !!pAnnot->GetXFAWidget(); |
| } |
| |
| CPDFSDK_Annot* CPDFSDK_XFAWidgetHandler::NewAnnot(CPDF_Annot* pAnnot, |
| CPDFSDK_PageView* pPage) { |
| return nullptr; |
| } |
| |
| CPDFSDK_Annot* CPDFSDK_XFAWidgetHandler::NewAnnot(CXFA_FFWidget* pAnnot, |
| CPDFSDK_PageView* pPage) { |
| CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); |
| CPDFSDK_XFAWidget* pWidget = new CPDFSDK_XFAWidget(pAnnot, pPage, pInterForm); |
| pInterForm->AddXFAMap(pAnnot, pWidget); |
| return pWidget; |
| } |
| |
| void CPDFSDK_XFAWidgetHandler::OnDraw(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot, |
| CFX_RenderDevice* pDevice, |
| CFX_Matrix* pUser2Device, |
| bool bDrawAnnots) { |
| ASSERT(pPageView); |
| ASSERT(pAnnot); |
| |
| CXFA_Graphics gs(pDevice); |
| |
| CFX_Matrix mt = *pUser2Device; |
| bool bIsHighlight = false; |
| if (pPageView->GetFormFillEnv()->GetFocusAnnot() != pAnnot) |
| bIsHighlight = true; |
| |
| GetXFAWidgetHandler(pAnnot)->RenderWidget(pAnnot->GetXFAWidget(), &gs, mt, |
| bIsHighlight); |
| |
| // to do highlight and shadow |
| } |
| |
| void CPDFSDK_XFAWidgetHandler::OnLoad(CPDFSDK_Annot* pAnnot) {} |
| |
| void CPDFSDK_XFAWidgetHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) { |
| CPDFSDK_XFAWidget* pWidget = ToXFAWidget(pAnnot); |
| CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm(); |
| pInterForm->RemoveXFAMap(pWidget->GetXFAWidget()); |
| |
| delete pWidget; |
| } |
| |
| CFX_FloatRect CPDFSDK_XFAWidgetHandler::GetViewBBox(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot) { |
| CXFA_Node* node = pAnnot->GetXFAWidget()->GetNode(); |
| ASSERT(node->IsWidgetReady()); |
| |
| CFX_RectF rcBBox; |
| if (node->GetFFWidgetType() == XFA_FFWidgetType::kSignature) { |
| rcBBox = pAnnot->GetXFAWidget()->GetBBox(XFA_WidgetStatus_Visible, |
| CXFA_FFWidget::kDrawFocus); |
| } else { |
| rcBBox = pAnnot->GetXFAWidget()->GetBBox(XFA_WidgetStatus_None, |
| CXFA_FFWidget::kDoNotDrawFocus); |
| } |
| CFX_FloatRect rcWidget(rcBBox.left, rcBBox.top, rcBBox.left + rcBBox.width, |
| rcBBox.top + rcBBox.height); |
| rcWidget.left -= 1.0f; |
| rcWidget.right += 1.0f; |
| rcWidget.bottom -= 1.0f; |
| rcWidget.top += 1.0f; |
| |
| return rcWidget; |
| } |
| |
| WideString CPDFSDK_XFAWidgetHandler::GetText(CPDFSDK_Annot* pAnnot) { |
| if (!pAnnot) |
| return WideString(); |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->GetText(pAnnot->GetXFAWidget()); |
| } |
| |
| WideString CPDFSDK_XFAWidgetHandler::GetSelectedText(CPDFSDK_Annot* pAnnot) { |
| if (!pAnnot) |
| return WideString(); |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->GetSelectedText(pAnnot->GetXFAWidget()); |
| } |
| |
| void CPDFSDK_XFAWidgetHandler::ReplaceSelection(CPDFSDK_Annot* pAnnot, |
| const WideString& text) { |
| if (!pAnnot) |
| return; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->PasteText(pAnnot->GetXFAWidget(), text); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::CanUndo(CPDFSDK_Annot* pAnnot) { |
| if (!pAnnot) |
| return false; |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->CanUndo(pAnnot->GetXFAWidget()); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::CanRedo(CPDFSDK_Annot* pAnnot) { |
| if (!pAnnot) |
| return false; |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->CanRedo(pAnnot->GetXFAWidget()); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::Undo(CPDFSDK_Annot* pAnnot) { |
| if (!pAnnot) |
| return false; |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->Undo(pAnnot->GetXFAWidget()); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::Redo(CPDFSDK_Annot* pAnnot) { |
| if (!pAnnot) |
| return false; |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->Redo(pAnnot->GetXFAWidget()); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::HitTest(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot, |
| const CFX_PointF& point) { |
| if (!pPageView || !pAnnot) |
| return false; |
| |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv(); |
| if (!pFormFillEnv) |
| return false; |
| |
| CPDFXFA_Context* pContext = pFormFillEnv->GetXFAContext(); |
| if (!pContext) |
| return false; |
| |
| CXFA_FFDocView* pDocView = pContext->GetXFADocView(); |
| if (!pDocView) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = pDocView->GetWidgetHandler(); |
| if (!pWidgetHandler) |
| return false; |
| |
| FWL_WidgetHit dwHitTest = |
| pWidgetHandler->OnHitTest(pAnnot->GetXFAWidget(), point); |
| return dwHitTest != FWL_WidgetHit::Unknown; |
| } |
| |
| void CPDFSDK_XFAWidgetHandler::OnMouseEnter(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlag) { |
| if (!pPageView || !(*pAnnot)) |
| return; |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| pWidgetHandler->OnMouseEnter((*pAnnot)->GetXFAWidget()); |
| } |
| |
| void CPDFSDK_XFAWidgetHandler::OnMouseExit(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlag) { |
| if (!pPageView || !(*pAnnot)) |
| return; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| pWidgetHandler->OnMouseExit((*pAnnot)->GetXFAWidget()); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnLButtonDown(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| if (!pPageView || !(*pAnnot)) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| return pWidgetHandler->OnLButtonDown((*pAnnot)->GetXFAWidget(), |
| GetFWLFlags(nFlags), point); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnLButtonUp(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| if (!pPageView || !(*pAnnot)) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| return pWidgetHandler->OnLButtonUp((*pAnnot)->GetXFAWidget(), |
| GetFWLFlags(nFlags), point); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnLButtonDblClk( |
| CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| if (!pPageView || !(*pAnnot)) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| return pWidgetHandler->OnLButtonDblClk((*pAnnot)->GetXFAWidget(), |
| GetFWLFlags(nFlags), point); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnMouseMove(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| if (!pPageView || !(*pAnnot)) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| return pWidgetHandler->OnMouseMove((*pAnnot)->GetXFAWidget(), |
| GetFWLFlags(nFlags), point); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnMouseWheel(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlags, |
| short zDelta, |
| const CFX_PointF& point) { |
| if (!pPageView || !(*pAnnot)) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| return pWidgetHandler->OnMouseWheel((*pAnnot)->GetXFAWidget(), |
| GetFWLFlags(nFlags), zDelta, point); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnRButtonDown(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| if (!pPageView || !(*pAnnot)) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| return pWidgetHandler->OnRButtonDown((*pAnnot)->GetXFAWidget(), |
| GetFWLFlags(nFlags), point); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnRButtonUp(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| if (!pPageView || !(*pAnnot)) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| return pWidgetHandler->OnRButtonUp((*pAnnot)->GetXFAWidget(), |
| GetFWLFlags(nFlags), point); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnRButtonDblClk( |
| CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| if (!pPageView || !(*pAnnot)) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
| return pWidgetHandler->OnRButtonDblClk((*pAnnot)->GetXFAWidget(), |
| GetFWLFlags(nFlags), point); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnChar(CPDFSDK_Annot* pAnnot, |
| uint32_t nChar, |
| uint32_t nFlags) { |
| if (!pAnnot) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->OnChar(pAnnot->GetXFAWidget(), nChar, |
| GetFWLFlags(nFlags)); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, |
| int nKeyCode, |
| int nFlag) { |
| if (!pAnnot) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->OnKeyDown(pAnnot->GetXFAWidget(), nKeyCode, |
| GetFWLFlags(nFlag)); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, |
| int nKeyCode, |
| int nFlag) { |
| if (!pAnnot) |
| return false; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
| return pWidgetHandler->OnKeyUp(pAnnot->GetXFAWidget(), nKeyCode, |
| GetFWLFlags(nFlag)); |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlag) { |
| return true; |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnKillFocus(CPDFSDK_Annot::ObservedPtr* pAnnot, |
| uint32_t nFlag) { |
| CXFA_FFWidget* hWidget = *pAnnot ? (*pAnnot)->GetXFAWidget() : nullptr; |
| if (!hWidget) |
| return true; |
| |
| CXFA_FFPageView* pXFAPageView = hWidget->GetPageView(); |
| if (!pXFAPageView) |
| return true; |
| |
| pXFAPageView->GetDocView()->SetFocus(nullptr); |
| return true; |
| } |
| |
| bool CPDFSDK_XFAWidgetHandler::OnXFAChangedFocus( |
| CPDFSDK_Annot::ObservedPtr* pOldAnnot, |
| CPDFSDK_Annot::ObservedPtr* pNewAnnot) { |
| CXFA_FFWidgetHandler* pWidgetHandler = nullptr; |
| if (*pOldAnnot) |
| pWidgetHandler = GetXFAWidgetHandler(pOldAnnot->Get()); |
| else if (*pNewAnnot) |
| pWidgetHandler = GetXFAWidgetHandler(pNewAnnot->Get()); |
| |
| if (!pWidgetHandler) |
| return true; |
| |
| CXFA_FFWidget* hWidget = *pNewAnnot ? (*pNewAnnot)->GetXFAWidget() : nullptr; |
| if (!hWidget) |
| return true; |
| |
| CXFA_FFPageView* pXFAPageView = hWidget->GetPageView(); |
| if (!pXFAPageView) |
| return true; |
| |
| bool bRet = pXFAPageView->GetDocView()->SetFocus(hWidget); |
| if (pXFAPageView->GetDocView()->GetFocusWidget() == hWidget) |
| bRet = true; |
| |
| return bRet; |
| } |
| |
| CXFA_FFWidgetHandler* CPDFSDK_XFAWidgetHandler::GetXFAWidgetHandler( |
| CPDFSDK_Annot* pAnnot) { |
| if (!pAnnot) |
| return nullptr; |
| |
| CPDFSDK_PageView* pPageView = pAnnot->GetPageView(); |
| if (!pPageView) |
| return nullptr; |
| |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv(); |
| if (!pFormFillEnv) |
| return nullptr; |
| |
| CPDFXFA_Context* pDoc = pFormFillEnv->GetXFAContext(); |
| if (!pDoc) |
| return nullptr; |
| |
| CXFA_FFDocView* pDocView = pDoc->GetXFADocView(); |
| if (!pDocView) |
| return nullptr; |
| |
| return pDocView->GetWidgetHandler(); |
| } |
| |
| uint32_t CPDFSDK_XFAWidgetHandler::GetFWLFlags(uint32_t dwFlag) { |
| uint32_t dwFWLFlag = 0; |
| |
| if (dwFlag & FWL_EVENTFLAG_ControlKey) |
| dwFWLFlag |= FWL_KEYFLAG_Ctrl; |
| if (dwFlag & FWL_EVENTFLAG_LeftButtonDown) |
| dwFWLFlag |= FWL_KEYFLAG_LButton; |
| if (dwFlag & FWL_EVENTFLAG_MiddleButtonDown) |
| dwFWLFlag |= FWL_KEYFLAG_MButton; |
| if (dwFlag & FWL_EVENTFLAG_RightButtonDown) |
| dwFWLFlag |= FWL_KEYFLAG_RButton; |
| if (dwFlag & FWL_EVENTFLAG_ShiftKey) |
| dwFWLFlag |= FWL_KEYFLAG_Shift; |
| if (dwFlag & FWL_EVENTFLAG_AltKey) |
| dwFWLFlag |= FWL_KEYFLAG_Alt; |
| |
| return dwFWLFlag; |
| } |