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356 lines
12 KiB
356 lines
12 KiB
// Copyright 2016 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#include "fpdfsdk/cpdfsdk_xfawidgethandler.h" |
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#include "core/fpdfdoc/cpdf_interform.h" |
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#include "fpdfsdk/cpdfsdk_annot.h" |
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#include "fpdfsdk/cpdfsdk_formfillenvironment.h" |
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#include "fpdfsdk/cpdfsdk_interform.h" |
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#include "fpdfsdk/cpdfsdk_pageview.h" |
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#include "fpdfsdk/cpdfsdk_xfawidget.h" |
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#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h" |
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#include "xfa/fwl/cfwl_app.h" |
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#include "xfa/fwl/fwl_widgethit.h" |
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#include "xfa/fxfa/fxfa_basic.h" |
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#include "xfa/fxfa/xfa_ffdocview.h" |
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#include "xfa/fxfa/xfa_ffpageview.h" |
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#include "xfa/fxfa/xfa_ffwidget.h" |
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#include "xfa/fxfa/xfa_ffwidgethandler.h" |
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#include "xfa/fxgraphics/cfx_graphics.h" |
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CPDFSDK_XFAWidgetHandler::CPDFSDK_XFAWidgetHandler( |
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CPDFSDK_FormFillEnvironment* pFormFillEnv) |
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: m_pFormFillEnv(pFormFillEnv) {} |
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CPDFSDK_XFAWidgetHandler::~CPDFSDK_XFAWidgetHandler() {} |
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bool CPDFSDK_XFAWidgetHandler::CanAnswer(CPDFSDK_Annot* pAnnot) { |
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return !!pAnnot->GetXFAWidget(); |
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} |
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CPDFSDK_Annot* CPDFSDK_XFAWidgetHandler::NewAnnot(CPDF_Annot* pAnnot, |
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CPDFSDK_PageView* pPage) { |
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return nullptr; |
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} |
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CPDFSDK_Annot* CPDFSDK_XFAWidgetHandler::NewAnnot(CXFA_FFWidget* pAnnot, |
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CPDFSDK_PageView* pPage) { |
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CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); |
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CPDFSDK_XFAWidget* pWidget = new CPDFSDK_XFAWidget(pAnnot, pPage, pInterForm); |
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pInterForm->AddXFAMap(pAnnot, pWidget); |
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return pWidget; |
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} |
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void CPDFSDK_XFAWidgetHandler::OnDraw(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot* pAnnot, |
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CFX_RenderDevice* pDevice, |
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CFX_Matrix* pUser2Device, |
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bool bDrawAnnots) { |
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ASSERT(pPageView); |
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ASSERT(pAnnot); |
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CFX_Graphics gs(pDevice); |
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CFX_Matrix mt = *pUser2Device; |
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bool bIsHighlight = false; |
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if (pPageView->GetFormFillEnv()->GetFocusAnnot() != pAnnot) |
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bIsHighlight = true; |
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GetXFAWidgetHandler(pAnnot)->RenderWidget(pAnnot->GetXFAWidget(), &gs, &mt, |
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bIsHighlight); |
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// to do highlight and shadow |
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} |
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void CPDFSDK_XFAWidgetHandler::OnLoad(CPDFSDK_Annot* pAnnot) {} |
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void CPDFSDK_XFAWidgetHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) { |
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CPDFSDK_XFAWidget* pWidget = reinterpret_cast<CPDFSDK_XFAWidget*>(pAnnot); |
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CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm(); |
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pInterForm->RemoveXFAMap(pWidget->GetXFAWidget()); |
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delete pWidget; |
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} |
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CFX_FloatRect CPDFSDK_XFAWidgetHandler::GetViewBBox(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot* pAnnot) { |
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ASSERT(pAnnot); |
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CFX_RectF rcBBox; |
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XFA_Element eType = pAnnot->GetXFAWidget()->GetDataAcc()->GetUIType(); |
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if (eType == XFA_Element::Signature) |
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rcBBox = pAnnot->GetXFAWidget()->GetBBox(XFA_WidgetStatus_Visible, true); |
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else |
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rcBBox = pAnnot->GetXFAWidget()->GetBBox(XFA_WidgetStatus_None); |
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CFX_FloatRect rcWidget(rcBBox.left, rcBBox.top, rcBBox.left + rcBBox.width, |
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rcBBox.top + rcBBox.height); |
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rcWidget.left -= 1.0f; |
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rcWidget.right += 1.0f; |
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rcWidget.bottom -= 1.0f; |
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rcWidget.top += 1.0f; |
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return rcWidget; |
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} |
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bool CPDFSDK_XFAWidgetHandler::HitTest(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot* pAnnot, |
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const CFX_PointF& point) { |
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if (!pPageView || !pAnnot) |
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return false; |
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CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv(); |
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if (!pFormFillEnv) |
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return false; |
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CPDFXFA_Context* pContext = pFormFillEnv->GetXFAContext(); |
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if (!pContext) |
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return false; |
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CXFA_FFDocView* pDocView = pContext->GetXFADocView(); |
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if (!pDocView) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = pDocView->GetWidgetHandler(); |
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if (!pWidgetHandler) |
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return false; |
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FWL_WidgetHit dwHitTest = |
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pWidgetHandler->OnHitTest(pAnnot->GetXFAWidget(), point); |
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return dwHitTest != FWL_WidgetHit::Unknown; |
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} |
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void CPDFSDK_XFAWidgetHandler::OnMouseEnter(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlag) { |
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if (!pPageView || !(*pAnnot)) |
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return; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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pWidgetHandler->OnMouseEnter((*pAnnot)->GetXFAWidget()); |
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} |
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void CPDFSDK_XFAWidgetHandler::OnMouseExit(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlag) { |
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if (!pPageView || !(*pAnnot)) |
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return; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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pWidgetHandler->OnMouseExit((*pAnnot)->GetXFAWidget()); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnLButtonDown(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlags, |
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const CFX_PointF& point) { |
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if (!pPageView || !(*pAnnot)) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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return pWidgetHandler->OnLButtonDown((*pAnnot)->GetXFAWidget(), |
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GetFWLFlags(nFlags), point); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnLButtonUp(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlags, |
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const CFX_PointF& point) { |
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if (!pPageView || !(*pAnnot)) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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return pWidgetHandler->OnLButtonUp((*pAnnot)->GetXFAWidget(), |
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GetFWLFlags(nFlags), point); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnLButtonDblClk( |
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CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlags, |
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const CFX_PointF& point) { |
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if (!pPageView || !(*pAnnot)) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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return pWidgetHandler->OnLButtonDblClk((*pAnnot)->GetXFAWidget(), |
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GetFWLFlags(nFlags), point); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnMouseMove(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlags, |
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const CFX_PointF& point) { |
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if (!pPageView || !(*pAnnot)) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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return pWidgetHandler->OnMouseMove((*pAnnot)->GetXFAWidget(), |
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GetFWLFlags(nFlags), point); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnMouseWheel(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlags, |
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short zDelta, |
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const CFX_PointF& point) { |
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if (!pPageView || !(*pAnnot)) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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return pWidgetHandler->OnMouseWheel((*pAnnot)->GetXFAWidget(), |
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GetFWLFlags(nFlags), zDelta, point); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnRButtonDown(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlags, |
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const CFX_PointF& point) { |
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if (!pPageView || !(*pAnnot)) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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return pWidgetHandler->OnRButtonDown((*pAnnot)->GetXFAWidget(), |
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GetFWLFlags(nFlags), point); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnRButtonUp(CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlags, |
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const CFX_PointF& point) { |
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if (!pPageView || !(*pAnnot)) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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return pWidgetHandler->OnRButtonUp((*pAnnot)->GetXFAWidget(), |
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GetFWLFlags(nFlags), point); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnRButtonDblClk( |
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CPDFSDK_PageView* pPageView, |
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CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlags, |
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const CFX_PointF& point) { |
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if (!pPageView || !(*pAnnot)) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot->Get()); |
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return pWidgetHandler->OnRButtonDblClk((*pAnnot)->GetXFAWidget(), |
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GetFWLFlags(nFlags), point); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnChar(CPDFSDK_Annot* pAnnot, |
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uint32_t nChar, |
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uint32_t nFlags) { |
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if (!pAnnot) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
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return pWidgetHandler->OnChar(pAnnot->GetXFAWidget(), nChar, |
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GetFWLFlags(nFlags)); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, |
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int nKeyCode, |
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int nFlag) { |
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if (!pAnnot) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
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return pWidgetHandler->OnKeyDown(pAnnot->GetXFAWidget(), nKeyCode, |
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GetFWLFlags(nFlag)); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, |
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int nKeyCode, |
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int nFlag) { |
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if (!pAnnot) |
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return false; |
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CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); |
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return pWidgetHandler->OnKeyUp(pAnnot->GetXFAWidget(), nKeyCode, |
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GetFWLFlags(nFlag)); |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlag) { |
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return true; |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnKillFocus(CPDFSDK_Annot::ObservedPtr* pAnnot, |
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uint32_t nFlag) { |
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return true; |
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} |
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bool CPDFSDK_XFAWidgetHandler::OnXFAChangedFocus( |
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CPDFSDK_Annot::ObservedPtr* pOldAnnot, |
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CPDFSDK_Annot::ObservedPtr* pNewAnnot) { |
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CXFA_FFWidgetHandler* pWidgetHandler = nullptr; |
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if (*pOldAnnot) |
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pWidgetHandler = GetXFAWidgetHandler(pOldAnnot->Get()); |
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else if (*pNewAnnot) |
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pWidgetHandler = GetXFAWidgetHandler(pNewAnnot->Get()); |
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if (!pWidgetHandler) |
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return true; |
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CXFA_FFWidget* hWidget = *pNewAnnot ? (*pNewAnnot)->GetXFAWidget() : nullptr; |
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if (!hWidget) |
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return true; |
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CXFA_FFPageView* pXFAPageView = hWidget->GetPageView(); |
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if (!pXFAPageView) |
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return true; |
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bool bRet = pXFAPageView->GetDocView()->SetFocus(hWidget); |
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if (pXFAPageView->GetDocView()->GetFocusWidget() == hWidget) |
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bRet = true; |
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return bRet; |
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} |
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CXFA_FFWidgetHandler* CPDFSDK_XFAWidgetHandler::GetXFAWidgetHandler( |
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CPDFSDK_Annot* pAnnot) { |
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if (!pAnnot) |
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return nullptr; |
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CPDFSDK_PageView* pPageView = pAnnot->GetPageView(); |
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if (!pPageView) |
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return nullptr; |
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CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv(); |
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if (!pFormFillEnv) |
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return nullptr; |
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CPDFXFA_Context* pDoc = pFormFillEnv->GetXFAContext(); |
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if (!pDoc) |
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return nullptr; |
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CXFA_FFDocView* pDocView = pDoc->GetXFADocView(); |
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if (!pDocView) |
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return nullptr; |
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return pDocView->GetWidgetHandler(); |
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} |
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uint32_t CPDFSDK_XFAWidgetHandler::GetFWLFlags(uint32_t dwFlag) { |
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uint32_t dwFWLFlag = 0; |
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if (dwFlag & FWL_EVENTFLAG_ControlKey) |
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dwFWLFlag |= FWL_KEYFLAG_Ctrl; |
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if (dwFlag & FWL_EVENTFLAG_LeftButtonDown) |
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dwFWLFlag |= FWL_KEYFLAG_LButton; |
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if (dwFlag & FWL_EVENTFLAG_MiddleButtonDown) |
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dwFWLFlag |= FWL_KEYFLAG_MButton; |
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if (dwFlag & FWL_EVENTFLAG_RightButtonDown) |
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dwFWLFlag |= FWL_KEYFLAG_RButton; |
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if (dwFlag & FWL_EVENTFLAG_ShiftKey) |
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dwFWLFlag |= FWL_KEYFLAG_Shift; |
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if (dwFlag & FWL_EVENTFLAG_AltKey) |
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dwFWLFlag |= FWL_KEYFLAG_Alt; |
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return dwFWLFlag; |
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}
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