C++ IFWL_Widget类代码示例

IFWL_Widget* CFWL_WidgetMgr::GetWidgetAtPoint(IFWL_Widget* parent,
                                              FX_FLOAT x,
                                              FX_FLOAT y) {
  if (!parent)
    return nullptr;
  FX_FLOAT x1;
  FX_FLOAT y1;
  IFWL_Widget* child = GetLastChildWidget(parent);
  while (child) {
    if ((child->GetStates() & FWL_WGTSTATE_Invisible) == 0) {
      x1 = x;
      y1 = y;
      CFX_Matrix matrixOnParent;
      child->GetMatrix(matrixOnParent);
      CFX_Matrix m;
      m.SetIdentity();
      m.SetReverse(matrixOnParent);
      m.TransformPoint(x1, y1);
      CFX_RectF bounds;
      child->GetWidgetRect(bounds);
      if (bounds.Contains(x1, y1)) {
        x1 -= bounds.left;
        y1 -= bounds.top;
        return GetWidgetAtPoint(child, x1, y1);
      }
    }
    child = GetPriorSiblingWidget(child);
  }
  return parent;
}

void CFWL_WidgetMgrDelegate::OnProcessMessageToForm(CFWL_Message* pMessage) {
  if (!pMessage)
    return;
  if (!pMessage->m_pDstTarget)
    return;

  IFWL_Widget* pDstWidget = pMessage->m_pDstTarget;
  IFWL_App* pApp = pDstWidget->GetOwnerApp();
  if (!pApp)
    return;

  CFWL_NoteDriver* pNoteDriver =
      static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
  if (!pNoteDriver)
    return;

  if (m_pWidgetMgr->IsThreadEnabled())
    pMessage = static_cast<CFWL_Message*>(pMessage->Clone());
  if (m_pWidgetMgr->IsFormDisabled())
    pNoteDriver->ProcessMessage(pMessage);
  else
    pNoteDriver->QueueMessage(pMessage);

#if (_FX_OS_ == _FX_MACOSX_)
  CFWL_NoteLoop* pTopLoop = pNoteDriver->GetTopLoop();
  if (pTopLoop)
    pNoteDriver->UnqueueMessage(pTopLoop);
#endif

  if (m_pWidgetMgr->IsThreadEnabled())
    pMessage->Release();

  return;
}

FX_BOOL CFWL_NoteDriver::DoDeactivate(CFWL_MsgDeactivate* pMsg,
                                      IFWL_Widget* pMessageForm) {
  if (m_bFullScreen) {
    return FALSE;
  }
  int32_t iTrackLoop = m_noteLoopQueue.GetSize();
  if (iTrackLoop <= 0)
    return FALSE;
  if (iTrackLoop == 1) {
    if (pMessageForm->IsInstance(FX_WSTRC(L"FWL_FORMPROXY"))) {
      return FALSE;
    }
    if (pMsg->m_pSrcTarget &&
        pMsg->m_pSrcTarget->IsInstance(FX_WSTRC(L"FWL_FORMPROXY"))) {
      return FALSE;
    }
    if (pMsg->m_pSrcTarget && pMsg->m_pSrcTarget->GetClassID() == 1111984755) {
      return FALSE;
    }
    return TRUE;
  }
  IFWL_Widget* pDst = pMsg->m_pDstTarget;
  if (!pDst)
    return FALSE;
#if (_FX_OS_ == _FX_MACOSX_)
  if (pDst == pMessageForm && pDst->IsInstance(L"FWL_FORMPROXY")) {
    return TRUE;
  }
#endif
  return pDst != pMessageForm &&
         !pDst->IsInstance(FX_WSTRC(L"FWL_FORMPROXY")) &&
         !pMessageForm->IsInstance(FX_WSTRC(L"FWL_FORMPROXY"));
}

bool CXFA_FFDateTimeEdit::LoadWidget() {
  CFWL_DateTimePicker* pWidget = new CFWL_DateTimePicker(GetFWLApp());
  pWidget->Initialize();
  m_pNormalWidget = pWidget;
  m_pNormalWidget->SetLayoutItem(this);
  IFWL_Widget* pIWidget = m_pNormalWidget->GetWidget();
  CFWL_NoteDriver* pNoteDriver = pIWidget->GetOwnerApp()->GetNoteDriver();
  pNoteDriver->RegisterEventTarget(pIWidget, pIWidget);

  m_pOldDelegate = m_pNormalWidget->GetDelegate();
  m_pNormalWidget->SetDelegate(this);
  m_pNormalWidget->LockUpdate();

  CFX_WideString wsText;
  m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Display);
  pWidget->SetEditText(wsText);
  if (CXFA_Value value = m_pDataAcc->GetFormValue()) {
    switch (value.GetChildValueClassID()) {
      case XFA_Element::Date: {
        if (!wsText.IsEmpty()) {
          CXFA_LocaleValue lcValue = XFA_GetLocaleValue(m_pDataAcc);
          CFX_Unitime date = lcValue.GetDate();
          if ((FX_UNITIME)date != 0) {
            pWidget->SetCurSel(date.GetYear(), date.GetMonth(), date.GetDay());
          }
        }
      } break;
      default:
        break;
    }
  }
  UpdateWidgetProperty();
  m_pNormalWidget->UnlockUpdate();
  return CXFA_FFField::LoadWidget();
}

bool CXFA_FFComboBox::LoadWidget() {
  CFWL_ComboBox* pComboBox = new CFWL_ComboBox(GetFWLApp());
  pComboBox->Initialize();
  m_pNormalWidget = (CFWL_Widget*)pComboBox;
  m_pNormalWidget->SetLayoutItem(this);

  IFWL_Widget* pWidget = m_pNormalWidget->GetWidget();
  CFWL_NoteDriver* pNoteDriver = pWidget->GetOwnerApp()->GetNoteDriver();
  pNoteDriver->RegisterEventTarget(pWidget, pWidget);

  m_pOldDelegate = m_pNormalWidget->GetDelegate();
  m_pNormalWidget->SetDelegate(this);
  m_pNormalWidget->LockUpdate();

  CFX_WideStringArray wsLabelArray;
  m_pDataAcc->GetChoiceListItems(wsLabelArray, false);
  int32_t iItems = wsLabelArray.GetSize();
  for (int32_t i = 0; i < iItems; i++) {
    pComboBox->AddString(wsLabelArray[i].AsStringC());
  }
  CFX_Int32Array iSelArray;
  m_pDataAcc->GetSelectedItems(iSelArray);
  int32_t iSelCount = iSelArray.GetSize();
  if (iSelCount > 0) {
    pComboBox->SetCurSel(iSelArray[0]);
  } else {
    CFX_WideString wsText;
    m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Raw);
    pComboBox->SetEditText(wsText);
  }
  UpdateWidgetProperty();
  m_pNormalWidget->UnlockUpdate();
  return CXFA_FFField::LoadWidget();
}

void IFWL_Widget::GetMatrix(CFX_Matrix& matrix, bool bGlobal) {
  if (!m_pProperties)
    return;
  if (!bGlobal) {
    matrix.SetIdentity();
    return;
  }

  IFWL_Widget* parent = GetParent();
  CFX_ArrayTemplate<IFWL_Widget*> parents;
  while (parent) {
    parents.Add(parent);
    parent = parent->GetParent();
  }
  matrix.SetIdentity();
  CFX_Matrix ctmOnParent;
  CFX_RectF rect;
  int32_t count = parents.GetSize();
  for (int32_t i = count - 2; i >= 0; i--) {
    parent = parents.GetAt(i);
    parent->GetMatrix(ctmOnParent, false);
    parent->GetWidgetRect(rect);
    matrix.Concat(ctmOnParent, true);
    matrix.Translate(rect.left, rect.top, true);
  }
  CFX_Matrix m;
  m.SetIdentity();
  matrix.Concat(m, true);
  parents.RemoveAll();
}

FX_BOOL CFWL_NoteDriver::DoMouseEx(CFWL_MsgMouse* pMsg,
                                   IFWL_Widget* pMessageForm) {
  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
  if (!pWidgetMgr)
    return FALSE;
  IFWL_Widget* pTarget = NULL;
  if (m_pGrab)
    pTarget = m_pGrab;
  if (!pTarget) {
    pTarget =
        pWidgetMgr->GetWidgetAtPoint(pMessageForm, pMsg->m_fx, pMsg->m_fy);
    while (pTarget && pTarget->GetClassID() == FWL_CLASSHASH_Grid) {
      pTarget = pTarget->GetParent();
    }
  }
  if (pTarget) {
    if (pMessageForm != pTarget) {
      pMessageForm->TransformTo(pTarget, pMsg->m_fx, pMsg->m_fy);
    }
  }
  if (!pTarget)
    return FALSE;
  pMsg->m_pDstTarget = pTarget;
  return TRUE;
}

FWL_Error CFWL_WidgetMgr::RepaintWidget(IFWL_Widget* pWidget,
                                        const CFX_RectF* pRect) {
  if (!m_pAdapter)
    return FWL_Error::Indefinite;
  IFWL_Widget* pNative = pWidget;
  CFX_RectF rect(*pRect);
  if (IsFormDisabled()) {
    IFWL_Widget* pOuter = pWidget->GetOuter();
    while (pOuter) {
      CFX_RectF rtTemp;
      pNative->GetWidgetRect(rtTemp);
      rect.left += rtTemp.left;
      rect.top += rtTemp.top;
      pNative = pOuter;
      pOuter = pOuter->GetOuter();
    }
  } else if (!IsAbleNative(pWidget)) {
    pNative = GetSystemFormWidget(pWidget);
    if (!pNative)
      return FWL_Error::Indefinite;
    pWidget->TransformTo(pNative, rect.left, rect.top);
  }
  AddRedrawCounts(pNative);
  return m_pAdapter->RepaintWidget(pNative, &rect);
}

void IFWL_ComboList::ClientToOuter(FX_FLOAT& fx, FX_FLOAT& fy) {
  fx += m_pProperties->m_rtWidget.left, fy += m_pProperties->m_rtWidget.top;
  IFWL_Widget* pOwner = GetOwner();
  if (!pOwner)
    return;
  pOwner->TransformTo(m_pOuter, fx, fy);
}

void CFWL_NoteDriver::MouseSecondary(CFWL_MsgMouse* pMsg) {
  IFWL_Widget* pTarget = pMsg->m_pDstTarget;
  if (pTarget == m_pHover) {
    return;
  }
  if (m_pHover) {
    CFWL_MsgMouse msLeave;
    msLeave.m_pDstTarget = m_pHover;
    msLeave.m_fx = pMsg->m_fx;
    msLeave.m_fy = pMsg->m_fy;
    pTarget->TransformTo(m_pHover, msLeave.m_fx, msLeave.m_fy);
    msLeave.m_dwFlags = 0;
    msLeave.m_dwCmd = FWL_MSGMOUSECMD_MouseLeave;
    DispatchMessage(&msLeave, NULL);
  }
  if (pTarget->GetClassID() == FWL_CLASSHASH_Form) {
    m_pHover = NULL;
    return;
  }
  m_pHover = pTarget;
  CFWL_MsgMouse msHover;
  msHover.m_pDstTarget = pTarget;
  msHover.m_fx = pMsg->m_fx;
  msHover.m_fy = pMsg->m_fy;
  msHover.m_dwFlags = 0;
  msHover.m_dwCmd = FWL_MSGMOUSECMD_MouseHover;
  DispatchMessage(&msHover, NULL);
}

CXFA_FFListBox::~CXFA_FFListBox() {
  if (m_pNormalWidget) {
    IFWL_Widget* pWidget = m_pNormalWidget->GetWidget();
    CFWL_NoteDriver* pNoteDriver = pWidget->GetOwnerApp()->GetNoteDriver();
    pNoteDriver->UnregisterEventTarget(pWidget);
  }
}

CXFA_FFWidget* XFA_ThemeGetOuterWidget(IFWL_Widget* pWidget) {
  IFWL_Widget* pOuter = pWidget;
  while (pOuter && pOuter->GetOuter())
    pOuter = pOuter->GetOuter();

  return pOuter ? static_cast<CXFA_FFWidget*>(pOuter->GetLayoutItem())
                : nullptr;
}

IFWL_Widget* IFWL_Widget::GetRootOuter() {
  IFWL_Widget* pRet = m_pOuter;
  if (!pRet)
    return nullptr;

  while (IFWL_Widget* pOuter = pRet->GetOuter())
    pRet = pOuter;
  return pRet;
}

static void FWL_SetChildThemeID(IFWL_Widget* pParent, uint32_t dwThemeID) {
  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
  IFWL_Widget* pChild = pWidgetMgr->GetFirstChildWidget(pParent);
  while (pChild) {
    IFWL_ThemeProvider* pTheme = pChild->GetThemeProvider();
    if (pTheme) {
      pTheme->SetThemeID(pChild, dwThemeID, FALSE);
    }
    FWL_SetChildThemeID(pChild, dwThemeID);
    pChild = pWidgetMgr->GetNextSiblingWidget(pChild);
  }
}

void CFWL_WidgetMgrDelegate::DrawChild(IFWL_Widget* parent,
                                       const CFX_RectF& rtClip,
                                       CFX_Graphics* pGraphics,
                                       const CFX_Matrix* pMatrix) {
  if (!parent)
    return;

  FX_BOOL bFormDisable = m_pWidgetMgr->IsFormDisabled();
  IFWL_Widget* pNextChild = m_pWidgetMgr->GetFirstChildWidget(parent);
  while (pNextChild) {
    IFWL_Widget* child = pNextChild;
    pNextChild = m_pWidgetMgr->GetNextSiblingWidget(child);
    if (child->GetStates() & FWL_WGTSTATE_Invisible)
      continue;

    CFX_RectF rtWidget;
    child->GetWidgetRect(rtWidget);
    if (rtWidget.IsEmpty())
      continue;

    CFX_Matrix widgetMatrix;
    CFX_RectF clipBounds(rtWidget);
    if (!bFormDisable)
      child->GetMatrix(widgetMatrix, TRUE);
    if (pMatrix)
      widgetMatrix.Concat(*pMatrix);

    if (!bFormDisable) {
      widgetMatrix.TransformPoint(clipBounds.left, clipBounds.top);
      clipBounds.Intersect(rtClip);
      if (clipBounds.IsEmpty())
        continue;

      pGraphics->SaveGraphState();
      pGraphics->SetClipRect(clipBounds);
    }
    widgetMatrix.Translate(rtWidget.left, rtWidget.top, TRUE);
    IFWL_WidgetDelegate* pDelegate = child->SetDelegate(nullptr);
    if (pDelegate) {
      if (m_pWidgetMgr->IsFormDisabled() ||
          IsNeedRepaint(child, &widgetMatrix, rtClip)) {
        pDelegate->OnDrawWidget(pGraphics, &widgetMatrix);
      }
    }
    if (!bFormDisable)
      pGraphics->RestoreGraphState();

    DrawChild(child, clipBounds, pGraphics,
              bFormDisable ? &widgetMatrix : pMatrix);
    child = m_pWidgetMgr->GetNextSiblingWidget(child);
  }
}