// 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_formfiller.h" #include "core/fpdfapi/page/cpdf_page.h" #include "core/fxge/cfx_renderdevice.h" #include "fpdfsdk/cpdfsdk_formfillenvironment.h" #include "fpdfsdk/cpdfsdk_pageview.h" #include "fpdfsdk/cpdfsdk_widget.h" #include "fpdfsdk/formfiller/cba_fontmap.h" #include "fpdfsdk/fsdk_common.h" #include "fpdfsdk/pdfwindow/cpwl_utils.h" #define GetRed(rgb) ((uint8_t)(rgb)) #define GetGreen(rgb) ((uint8_t)(((uint16_t)(rgb)) >> 8)) #define GetBlue(rgb) ((uint8_t)((rgb) >> 16)) #define FFL_HINT_ELAPSE 800 CFFL_FormFiller::CFFL_FormFiller(CPDFSDK_FormFillEnvironment* pFormFillEnv, CPDFSDK_Widget* pWidget) : m_pFormFillEnv(pFormFillEnv), m_pWidget(pWidget), m_bValid(false) { ASSERT(m_pFormFillEnv); } CFFL_FormFiller::~CFFL_FormFiller() { DestroyWindows(); } void CFFL_FormFiller::DestroyWindows() { for (const auto& it : m_Maps) { CPWL_Wnd* pWnd = it.second; CFFL_PrivateData* pData = (CFFL_PrivateData*)pWnd->GetAttachedData(); pWnd->InvalidateProvider(this); pWnd->Destroy(); delete pWnd; delete pData; } m_Maps.clear(); } void CFFL_FormFiller::SetWindowRect(CPDFSDK_PageView* pPageView, const CFX_FloatRect& rcWindow) { if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false)) { pWnd->Move(CFX_FloatRect(rcWindow), true, false); } } CFX_FloatRect CFFL_FormFiller::GetWindowRect(CPDFSDK_PageView* pPageView) { if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false)) { return pWnd->GetWindowRect(); } return CFX_FloatRect(0, 0, 0, 0); } FX_RECT CFFL_FormFiller::GetViewBBox(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) { ASSERT(pPageView); ASSERT(pAnnot); CFX_FloatRect rcAnnot = m_pWidget->GetRect(); if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false)) { CFX_FloatRect rcWindow = pWnd->GetWindowRect(); rcAnnot = PWLtoFFL(rcWindow); } CFX_FloatRect rcWin = rcAnnot; CFX_FloatRect rcFocus = GetFocusBox(pPageView); if (!rcFocus.IsEmpty()) rcWin.Union(rcFocus); CFX_FloatRect rect = CPWL_Utils::InflateRect(rcWin, 1); return rect.GetOuterRect(); } void CFFL_FormFiller::OnDraw(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device) { ASSERT(pAnnot->GetPDFAnnot()->GetSubtype() == CPDF_Annot::Subtype::WIDGET); if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false)) { CFX_Matrix mt = GetCurMatrix(); mt.Concat(*pUser2Device); pWnd->DrawAppearance(pDevice, &mt); } else { CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot; if (CFFL_InteractiveFormFiller::IsVisible(pWidget)) pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); } } void CFFL_FormFiller::OnDrawDeactive(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device) { CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot; pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); } void CFFL_FormFiller::OnMouseEnter(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) {} void CFFL_FormFiller::OnMouseExit(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) { EndTimer(); ASSERT(m_pWidget); } bool CFFL_FormFiller::OnLButtonDown(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, true)) { m_bValid = true; FX_RECT rect = GetViewBBox(pPageView, pAnnot); InvalidateRect(rect); if (!rect.Contains(static_cast<int>(point.x), static_cast<int>(point.y))) return false; return pWnd->OnLButtonDown(WndtoPWL(pPageView, point), nFlags); } return false; } bool CFFL_FormFiller::OnLButtonUp(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false); if (!pWnd) return false; InvalidateRect(GetViewBBox(pPageView, pAnnot)); pWnd->OnLButtonUp(WndtoPWL(pPageView, point), nFlags); return true; } bool CFFL_FormFiller::OnLButtonDblClk(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false); if (!pWnd) return false; pWnd->OnLButtonDblClk(WndtoPWL(pPageView, point), nFlags); return true; } bool CFFL_FormFiller::OnMouseMove(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { if (m_ptOldPos != point) m_ptOldPos = point; CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false); if (!pWnd) return false; pWnd->OnMouseMove(WndtoPWL(pPageView, point), nFlags); return true; } bool CFFL_FormFiller::OnMouseWheel(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, short zDelta, const CFX_PointF& point) { if (!IsValid()) return false; CPWL_Wnd* pWnd = GetPDFWindow(pPageView, true); return pWnd && pWnd->OnMouseWheel(zDelta, WndtoPWL(pPageView, point), nFlags); } bool CFFL_FormFiller::OnRButtonDown(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { CPWL_Wnd* pWnd = GetPDFWindow(pPageView, true); if (!pWnd) return false; pWnd->OnRButtonDown(WndtoPWL(pPageView, point), nFlags); return true; } bool CFFL_FormFiller::OnRButtonUp(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false); if (!pWnd) return false; pWnd->OnRButtonUp(WndtoPWL(pPageView, point), nFlags); return true; } bool CFFL_FormFiller::OnKeyDown(CPDFSDK_Annot* pAnnot, uint32_t nKeyCode, uint32_t nFlags) { if (IsValid()) { CPDFSDK_PageView* pPageView = GetCurPageView(true); ASSERT(pPageView); if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false)) { return pWnd->OnKeyDown(nKeyCode, nFlags); } } return false; } bool CFFL_FormFiller::OnChar(CPDFSDK_Annot* pAnnot, uint32_t nChar, uint32_t nFlags) { if (IsValid()) { CPDFSDK_PageView* pPageView = GetCurPageView(true); ASSERT(pPageView); if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false)) { return pWnd->OnChar(nChar, nFlags); } } return false; } CFX_WideString CFFL_FormFiller::GetSelectedText(CPDFSDK_Annot* pAnnot) { if (!IsValid()) return CFX_WideString(); CPDFSDK_PageView* pPageView = GetCurPageView(true); ASSERT(pPageView); CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false); return pWnd ? pWnd->GetSelectedText() : CFX_WideString(); } void CFFL_FormFiller::SetFocusForAnnot(CPDFSDK_Annot* pAnnot, uint32_t nFlag) { CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot; UnderlyingPageType* pPage = pWidget->GetUnderlyingPage(); CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(pPage, true); if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, true)) pWnd->SetFocus(); m_bValid = true; InvalidateRect(GetViewBBox(pPageView, pAnnot)); } void CFFL_FormFiller::KillFocusForAnnot(CPDFSDK_Annot* pAnnot, uint32_t nFlag) { if (!IsValid()) return; CPDFSDK_PageView* pPageView = GetCurPageView(false); if (!pPageView) return; if (!CommitData(pPageView, nFlag)) return; if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false)) pWnd->KillFocus(); bool bDestroyPDFWindow; switch (m_pWidget->GetFieldType()) { case FIELDTYPE_PUSHBUTTON: case FIELDTYPE_CHECKBOX: case FIELDTYPE_RADIOBUTTON: bDestroyPDFWindow = true; break; default: bDestroyPDFWindow = false; break; } EscapeFiller(pPageView, bDestroyPDFWindow); } bool CFFL_FormFiller::IsValid() const { return m_bValid; } PWL_CREATEPARAM CFFL_FormFiller::GetCreateParam() { PWL_CREATEPARAM cp; cp.pParentWnd = nullptr; cp.pProvider.Reset(this); cp.rcRectWnd = GetPDFWindowRect(); uint32_t dwCreateFlags = PWS_BORDER | PWS_BACKGROUND | PWS_VISIBLE; uint32_t dwFieldFlag = m_pWidget->GetFieldFlags(); if (dwFieldFlag & FIELDFLAG_READONLY) { dwCreateFlags |= PWS_READONLY; } FX_COLORREF color; if (m_pWidget->GetFillColor(color)) { cp.sBackgroundColor = CPWL_Color(GetRed(color), GetGreen(color), GetBlue(color)); } if (m_pWidget->GetBorderColor(color)) { cp.sBorderColor = CPWL_Color(GetRed(color), GetGreen(color), GetBlue(color)); } cp.sTextColor = CPWL_Color(COLORTYPE_GRAY, 0); if (m_pWidget->GetTextColor(color)) { cp.sTextColor = CPWL_Color(GetRed(color), GetGreen(color), GetBlue(color)); } cp.fFontSize = m_pWidget->GetFontSize(); cp.dwBorderWidth = m_pWidget->GetBorderWidth(); cp.nBorderStyle = m_pWidget->GetBorderStyle(); switch (cp.nBorderStyle) { case BorderStyle::DASH: cp.sDash = CPWL_Dash(3, 3, 0); break; case BorderStyle::BEVELED: cp.dwBorderWidth *= 2; break; case BorderStyle::INSET: cp.dwBorderWidth *= 2; break; default: break; } if (cp.fFontSize <= 0) dwCreateFlags |= PWS_AUTOFONTSIZE; cp.dwFlags = dwCreateFlags; cp.pSystemHandler = m_pFormFillEnv->GetSysHandler(); return cp; } CPWL_Wnd* CFFL_FormFiller::GetPDFWindow(CPDFSDK_PageView* pPageView, bool bNew) { ASSERT(pPageView); auto it = m_Maps.find(pPageView); const bool found = it != m_Maps.end(); CPWL_Wnd* pWnd = found ? it->second : nullptr; if (!bNew) return pWnd; if (found) { CFFL_PrivateData* pPrivateData = (CFFL_PrivateData*)pWnd->GetAttachedData(); if (pPrivateData->nWidgetAge != m_pWidget->GetAppearanceAge()) { return ResetPDFWindow( pPageView, m_pWidget->GetValueAge() == pPrivateData->nValueAge); } } else { PWL_CREATEPARAM cp = GetCreateParam(); cp.pAttachedWidget.Reset(m_pWidget.Get()); CFFL_PrivateData* pPrivateData = new CFFL_PrivateData; pPrivateData->pWidget = m_pWidget.Get(); pPrivateData->pPageView = pPageView; pPrivateData->nWidgetAge = m_pWidget->GetAppearanceAge(); pPrivateData->nValueAge = 0; cp.pAttachedData = pPrivateData; pWnd = NewPDFWindow(cp); m_Maps[pPageView] = pWnd; } return pWnd; } void CFFL_FormFiller::DestroyPDFWindow(CPDFSDK_PageView* pPageView) { auto it = m_Maps.find(pPageView); if (it == m_Maps.end()) return; CPWL_Wnd* pWnd = it->second; CFFL_PrivateData* pData = (CFFL_PrivateData*)pWnd->GetAttachedData(); pWnd->Destroy(); delete pWnd; delete pData; m_Maps.erase(it); } CFX_Matrix CFFL_FormFiller::GetWindowMatrix(void* pAttachedData) { CFX_Matrix mt; auto* pPrivateData = reinterpret_cast<CFFL_PrivateData*>(pAttachedData); if (!pAttachedData || !pPrivateData->pPageView) return mt; CFX_Matrix mtPageView; pPrivateData->pPageView->GetCurrentMatrix(mtPageView); mt = GetCurMatrix(); mt.Concat(mtPageView); return mt; } CFX_Matrix CFFL_FormFiller::GetCurMatrix() { CFX_Matrix mt; CFX_FloatRect rcDA = m_pWidget->GetPDFAnnot()->GetRect(); switch (m_pWidget->GetRotate()) { default: case 0: break; case 90: mt = CFX_Matrix(0, 1, -1, 0, rcDA.right - rcDA.left, 0); break; case 180: mt = CFX_Matrix(-1, 0, 0, -1, rcDA.right - rcDA.left, rcDA.top - rcDA.bottom); break; case 270: mt = CFX_Matrix(0, -1, 1, 0, 0, rcDA.top - rcDA.bottom); break; } mt.e += rcDA.left; mt.f += rcDA.bottom; return mt; } CFX_FloatRect CFFL_FormFiller::GetPDFWindowRect() const { CFX_FloatRect rectAnnot = m_pWidget->GetPDFAnnot()->GetRect(); float fWidth = rectAnnot.right - rectAnnot.left; float fHeight = rectAnnot.top - rectAnnot.bottom; if ((m_pWidget->GetRotate() / 90) & 0x01) return CFX_FloatRect(0, 0, fHeight, fWidth); return CFX_FloatRect(0, 0, fWidth, fHeight); } CPDFSDK_PageView* CFFL_FormFiller::GetCurPageView(bool renew) { UnderlyingPageType* pPage = m_pWidget->GetUnderlyingPage(); return m_pFormFillEnv->GetPageView(pPage, renew); } CFX_FloatRect CFFL_FormFiller::GetFocusBox(CPDFSDK_PageView* pPageView) { if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, false)) { CFX_FloatRect rcFocus = FFLtoWnd(pPageView, PWLtoFFL(pWnd->GetFocusRect())); CFX_FloatRect rcPage = pPageView->GetPDFPage()->GetPageBBox(); if (rcPage.Contains(rcFocus)) return rcFocus; } return CFX_FloatRect(0, 0, 0, 0); } CFX_FloatRect CFFL_FormFiller::FFLtoPWL(const CFX_FloatRect& rect) { CFX_Matrix mt; mt.SetReverse(GetCurMatrix()); CFX_FloatRect temp = rect; mt.TransformRect(temp); return temp; } CFX_FloatRect CFFL_FormFiller::PWLtoFFL(const CFX_FloatRect& rect) { CFX_Matrix mt = GetCurMatrix(); CFX_FloatRect temp = rect; mt.TransformRect(temp); return temp; } CFX_PointF CFFL_FormFiller::FFLtoPWL(const CFX_PointF& point) { CFX_Matrix mt; mt.SetReverse(GetCurMatrix()); return mt.Transform(point); } CFX_PointF CFFL_FormFiller::PWLtoFFL(const CFX_PointF& point) { return GetCurMatrix().Transform(point); } CFX_PointF CFFL_FormFiller::WndtoPWL(CPDFSDK_PageView* pPageView, const CFX_PointF& pt) { return FFLtoPWL(pt); } CFX_FloatRect CFFL_FormFiller::FFLtoWnd(CPDFSDK_PageView* pPageView, const CFX_FloatRect& rect) { return rect; } bool CFFL_FormFiller::CommitData(CPDFSDK_PageView* pPageView, uint32_t nFlag) { if (IsDataChanged(pPageView)) { bool bRC = true; bool bExit = false; CFFL_InteractiveFormFiller* pFormFiller = m_pFormFillEnv->GetInteractiveFormFiller(); CPDFSDK_Annot::ObservedPtr pObserved(m_pWidget.Get()); pFormFiller->OnKeyStrokeCommit(&pObserved, pPageView, bRC, bExit, nFlag); if (!pObserved) return false; if (bExit) return true; if (!bRC) { ResetPDFWindow(pPageView, false); return true; } pFormFiller->OnValidate(&pObserved, pPageView, bRC, bExit, nFlag); if (!pObserved) return false; if (bExit) return true; if (!bRC) { ResetPDFWindow(pPageView, false); return true; } SaveData(pPageView); pFormFiller->OnCalculate(&pObserved, pPageView, bExit, nFlag); if (!pObserved) return false; if (bExit) return true; pFormFiller->OnFormat(&pObserved, pPageView, bExit, nFlag); if (!pObserved) return false; if (bExit) return true; } return true; } bool CFFL_FormFiller::IsDataChanged(CPDFSDK_PageView* pPageView) { return false; } void CFFL_FormFiller::SaveData(CPDFSDK_PageView* pPageView) {} #ifdef PDF_ENABLE_XFA bool CFFL_FormFiller::IsFieldFull(CPDFSDK_PageView* pPageView) { return false; } #endif // PDF_ENABLE_XFA void CFFL_FormFiller::SetChangeMark() { m_pFormFillEnv->OnChange(); } void CFFL_FormFiller::GetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type, PDFSDK_FieldAction& fa) { fa.sValue = m_pWidget->GetValue(); } void CFFL_FormFiller::SetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type, const PDFSDK_FieldAction& fa) {} bool CFFL_FormFiller::IsActionDataChanged(CPDF_AAction::AActionType type, const PDFSDK_FieldAction& faOld, const PDFSDK_FieldAction& faNew) { return false; } void CFFL_FormFiller::SaveState(CPDFSDK_PageView* pPageView) {} void CFFL_FormFiller::RestoreState(CPDFSDK_PageView* pPageView) {} CPWL_Wnd* CFFL_FormFiller::ResetPDFWindow(CPDFSDK_PageView* pPageView, bool bRestoreValue) { return GetPDFWindow(pPageView, false); } void CFFL_FormFiller::TimerProc() {} CFX_SystemHandler* CFFL_FormFiller::GetSystemHandler() const { return m_pFormFillEnv->GetSysHandler(); } void CFFL_FormFiller::EscapeFiller(CPDFSDK_PageView* pPageView, bool bDestroyPDFWindow) { m_bValid = false; InvalidateRect(GetViewBBox(pPageView, m_pWidget.Get())); if (bDestroyPDFWindow) DestroyPDFWindow(pPageView); } void CFFL_FormFiller::InvalidateRect(const FX_RECT& rect) { m_pFormFillEnv->Invalidate(m_pWidget->GetUnderlyingPage(), rect); } CFFL_Button::CFFL_Button(CPDFSDK_FormFillEnvironment* pApp, CPDFSDK_Widget* pWidget) : CFFL_FormFiller(pApp, pWidget), m_bMouseIn(false), m_bMouseDown(false) {} CFFL_Button::~CFFL_Button() {} void CFFL_Button::OnMouseEnter(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) { m_bMouseIn = true; InvalidateRect(GetViewBBox(pPageView, pAnnot)); } void CFFL_Button::OnMouseExit(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) { m_bMouseIn = false; InvalidateRect(GetViewBBox(pPageView, pAnnot)); EndTimer(); ASSERT(m_pWidget); } bool CFFL_Button::OnLButtonDown(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { if (!pAnnot->GetRect().Contains(point)) return false; m_bMouseDown = true; m_bValid = true; InvalidateRect(GetViewBBox(pPageView, pAnnot)); return true; } bool CFFL_Button::OnLButtonUp(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { if (!pAnnot->GetRect().Contains(point)) return false; m_bMouseDown = false; m_pWidget->GetPDFPage(); InvalidateRect(GetViewBBox(pPageView, pAnnot)); return true; } bool CFFL_Button::OnMouseMove(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_PointF& point) { return true; } void CFFL_Button::OnDraw(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device) { ASSERT(pPageView); CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot; CPDF_FormControl* pCtrl = pWidget->GetFormControl(); CPDF_FormControl::HighlightingMode eHM = pCtrl->GetHighlightingMode(); if (eHM != CPDF_FormControl::Push) { pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); return; } if (m_bMouseDown) { if (pWidget->IsWidgetAppearanceValid(CPDF_Annot::Down)) pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Down, nullptr); else pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); } else if (m_bMouseIn) { if (pWidget->IsWidgetAppearanceValid(CPDF_Annot::Rollover)) pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Rollover, nullptr); else pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); } else { pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); } } void CFFL_Button::OnDrawDeactive(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device) { OnDraw(pPageView, pAnnot, pDevice, pUser2Device); }