diff options
Diffstat (limited to 'fpdfsdk/cpdfsdk_xfawidgethandler.cpp')
| -rw-r--r-- | fpdfsdk/cpdfsdk_xfawidgethandler.cpp | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/fpdfsdk/cpdfsdk_xfawidgethandler.cpp b/fpdfsdk/cpdfsdk_xfawidgethandler.cpp new file mode 100644 index 0000000000..9a9a7a8a4a --- /dev/null +++ b/fpdfsdk/cpdfsdk_xfawidgethandler.cpp @@ -0,0 +1,386 @@ +// 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/include/cpdfsdk_xfawidgethandler.h" + +#include "core/fpdfdoc/include/cpdf_interform.h" +#include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" +#include "fpdfsdk/include/cpdfsdk_annot.h" +#include "fpdfsdk/include/cpdfsdk_interform.h" +#include "fpdfsdk/include/cpdfsdk_xfawidget.h" +#include "fpdfsdk/include/fsdk_mgr.h" +#include "xfa/fxfa/include/fxfa_basic.h" +#include "xfa/fxfa/include/xfa_ffdocview.h" +#include "xfa/fxfa/include/xfa_ffpageview.h" +#include "xfa/fxfa/include/xfa_ffwidget.h" +#include "xfa/fxfa/include/xfa_ffwidgethandler.h" +#include "xfa/fxgraphics/include/cfx_graphics.h" +#include "xfa/fwl/core/include/fwl_widgethit.h" + +CPDFSDK_XFAWidgetHandler::CPDFSDK_XFAWidgetHandler(CPDFDoc_Environment* pApp) + : m_pApp(pApp) {} + +CPDFSDK_XFAWidgetHandler::~CPDFSDK_XFAWidgetHandler() {} + +CFX_ByteString CPDFSDK_XFAWidgetHandler::GetType() { + return FSDK_XFAWIDGET_TYPENAME; +} + +FX_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_Document* pSDKDoc = m_pApp->GetSDKDocument(); + CPDFSDK_InterForm* pInterForm = pSDKDoc->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, + uint32_t dwFlags) { + ASSERT(pPageView); + ASSERT(pAnnot); + + CPDFSDK_Document* pSDKDoc = pPageView->GetSDKDocument(); + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + + CFX_Graphics gs; + gs.Create(pDevice); + + CFX_Matrix mt; + mt = *pUser2Device; + + FX_BOOL bIsHighlight = FALSE; + if (pSDKDoc->GetFocusAnnot() != pAnnot) + bIsHighlight = TRUE; + + pWidgetHandler->RenderWidget(pAnnot->GetXFAWidget(), &gs, &mt, bIsHighlight); + + // to do highlight and shadow +} + +void CPDFSDK_XFAWidgetHandler::OnDrawSleep(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + CFX_RenderDevice* pDevice, + CFX_Matrix* pUser2Device, + const CFX_FloatRect& rcWindow, + uint32_t dwFlags) {} + +void CPDFSDK_XFAWidgetHandler::OnCreate(CPDFSDK_Annot* pAnnot) {} + +void CPDFSDK_XFAWidgetHandler::OnLoad(CPDFSDK_Annot* pAnnot) {} + +void CPDFSDK_XFAWidgetHandler::OnDelete(CPDFSDK_Annot* pAnnot) {} + +void CPDFSDK_XFAWidgetHandler::OnRelease(CPDFSDK_Annot* pAnnot) {} + +void CPDFSDK_XFAWidgetHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) { + CPDFSDK_XFAWidget* pWidget = reinterpret_cast<CPDFSDK_XFAWidget*>(pAnnot); + CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm(); + pInterForm->RemoveXFAMap(pWidget->GetXFAWidget()); + + delete pWidget; +} + +void CPDFSDK_XFAWidgetHandler::DeleteAnnot(CPDFSDK_Annot* pAnnot) {} + +CFX_FloatRect CPDFSDK_XFAWidgetHandler::GetViewBBox(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot) { + ASSERT(pAnnot); + + CFX_RectF rcBBox; + XFA_Element eType = pAnnot->GetXFAWidget()->GetDataAcc()->GetUIType(); + if (eType == XFA_Element::Signature) + pAnnot->GetXFAWidget()->GetBBox(rcBBox, XFA_WidgetStatus_Visible, TRUE); + else + pAnnot->GetXFAWidget()->GetBBox(rcBBox, XFA_WidgetStatus_None); + + 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; +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::HitTest(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CPDFSDK_Document* pSDKDoc = pPageView->GetSDKDocument(); + if (!pSDKDoc) + return FALSE; + + CPDFXFA_Document* pDoc = pSDKDoc->GetXFADocument(); + if (!pDoc) + return FALSE; + + CXFA_FFDocView* pDocView = pDoc->GetXFADocView(); + if (!pDocView) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = pDocView->GetWidgetHandler(); + if (!pWidgetHandler) + return FALSE; + + FWL_WidgetHit dwHitTest = + pWidgetHandler->OnHitTest(pAnnot->GetXFAWidget(), point.x, point.y); + return dwHitTest != FWL_WidgetHit::Unknown; +} + +void CPDFSDK_XFAWidgetHandler::OnMouseEnter(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlag) { + if (!pPageView || !pAnnot) + return; + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + pWidgetHandler->OnMouseEnter(pAnnot->GetXFAWidget()); +} + +void CPDFSDK_XFAWidgetHandler::OnMouseExit(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlag) { + if (!pPageView || !pAnnot) + return; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + pWidgetHandler->OnMouseExit(pAnnot->GetXFAWidget()); +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnLButtonDown(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + return pWidgetHandler->OnLButtonDown(pAnnot->GetXFAWidget(), + GetFWLFlags(nFlags), point.x, point.y); +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnLButtonUp(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + return pWidgetHandler->OnLButtonUp(pAnnot->GetXFAWidget(), + GetFWLFlags(nFlags), point.x, point.y); +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnLButtonDblClk(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + return pWidgetHandler->OnLButtonDblClk(pAnnot->GetXFAWidget(), + GetFWLFlags(nFlags), point.x, point.y); +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnMouseMove(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + return pWidgetHandler->OnMouseMove(pAnnot->GetXFAWidget(), + GetFWLFlags(nFlags), point.x, point.y); +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnMouseWheel(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + short zDelta, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + return pWidgetHandler->OnMouseWheel( + pAnnot->GetXFAWidget(), GetFWLFlags(nFlags), zDelta, point.x, point.y); +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnRButtonDown(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + return pWidgetHandler->OnRButtonDown(pAnnot->GetXFAWidget(), + GetFWLFlags(nFlags), point.x, point.y); +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnRButtonUp(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + return pWidgetHandler->OnRButtonUp(pAnnot->GetXFAWidget(), + GetFWLFlags(nFlags), point.x, point.y); +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnRButtonDblClk(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pPageView || !pAnnot) + return FALSE; + + CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot); + return pWidgetHandler->OnRButtonDblClk(pAnnot->GetXFAWidget(), + GetFWLFlags(nFlags), point.x, point.y); +} + +FX_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)); +} + +FX_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)); +} + +FX_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)); +} + +void CPDFSDK_XFAWidgetHandler::OnDeSelected(CPDFSDK_Annot* pAnnot) {} + +void CPDFSDK_XFAWidgetHandler::OnSelected(CPDFSDK_Annot* pAnnot) {} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnSetFocus(CPDFSDK_Annot* pAnnot, + uint32_t nFlag) { + return TRUE; +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnKillFocus(CPDFSDK_Annot* pAnnot, + uint32_t nFlag) { + return TRUE; +} + +FX_BOOL CPDFSDK_XFAWidgetHandler::OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot, + CPDFSDK_Annot* pNewAnnot) { + CXFA_FFWidgetHandler* pWidgetHandler = nullptr; + + if (pOldAnnot) + pWidgetHandler = GetXFAWidgetHandler(pOldAnnot); + else if (pNewAnnot) + pWidgetHandler = GetXFAWidgetHandler(pNewAnnot); + + if (pWidgetHandler) { + FX_BOOL bRet = TRUE; + CXFA_FFWidget* hWidget = pNewAnnot ? pNewAnnot->GetXFAWidget() : nullptr; + if (hWidget) { + CXFA_FFPageView* pXFAPageView = hWidget->GetPageView(); + if (pXFAPageView) { + bRet = pXFAPageView->GetDocView()->SetFocus(hWidget); + if (pXFAPageView->GetDocView()->GetFocusWidget() == hWidget) + bRet = TRUE; + } + } + return bRet; + } + + return TRUE; +} + +CXFA_FFWidgetHandler* CPDFSDK_XFAWidgetHandler::GetXFAWidgetHandler( + CPDFSDK_Annot* pAnnot) { + if (!pAnnot) + return nullptr; + + CPDFSDK_PageView* pPageView = pAnnot->GetPageView(); + if (!pPageView) + return nullptr; + + CPDFSDK_Document* pSDKDoc = pPageView->GetSDKDocument(); + if (!pSDKDoc) + return nullptr; + + CPDFXFA_Document* pDoc = pSDKDoc->GetXFADocument(); + if (!pDoc) + return nullptr; + + CXFA_FFDocView* pDocView = pDoc->GetXFADocView(); + if (!pDocView) + return nullptr; + + return pDocView->GetWidgetHandler(); +} + +const uint32_t FWL_KEYFLAG_Ctrl = (1 << 0); +const uint32_t FWL_KEYFLAG_Alt = (1 << 1); +const uint32_t FWL_KEYFLAG_Shift = (1 << 2); +const uint32_t FWL_KEYFLAG_LButton = (1 << 3); +const uint32_t FWL_KEYFLAG_RButton = (1 << 4); +const uint32_t FWL_KEYFLAG_MButton = (1 << 5); + +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; +} |