コード例 #1
0
ファイル: cfwl_widgetmgr.cpp プロジェクト: hfiguiere/pdfium
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;
}
コード例 #2
0
ファイル: ifwl_widget.cpp プロジェクト: documentcloud/pdfium
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();
}
コード例 #3
0
ファイル: cfwl_widgetmgr.cpp プロジェクト: hfiguiere/pdfium
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);
  }
}