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C++ nsBoxLayoutState::GetRenderingContext方法代码示例

本文整理汇总了C++中nsBoxLayoutState::GetRenderingContext方法的典型用法代码示例。如果您正苦于以下问题：C++ nsBoxLayoutState::GetRenderingContext方法的具体用法？C++ nsBoxLayoutState::GetRenderingContext怎么用？C++ nsBoxLayoutState::GetRenderingContext使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类nsBoxLayoutState的用法示例。


在下文中一共展示了nsBoxLayoutState::GetRenderingContext方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: origin

NS_IMETHODIMP
nsTextBoxFrame::DoLayout(nsBoxLayoutState& aBoxLayoutState)
{
    if (mNeedsReflowCallback) {
        nsIReflowCallback* cb = new nsAsyncAccesskeyUpdate(this);
        if (cb) {
            PresContext()->PresShell()->PostReflowCallback(cb);
        }
        mNeedsReflowCallback = PR_FALSE;
    }

    mState |= NS_STATE_NEED_LAYOUT;

    nsresult rv = nsLeafBoxFrame::DoLayout(aBoxLayoutState);

    const nsStyleText* textStyle = GetStyleText();
    if (textStyle->mTextShadow) {
      nsPoint origin(0,0);
      nsRect textRect = CalcTextRect(*aBoxLayoutState.GetRenderingContext(), origin);
      nsRect overflowRect(nsLayoutUtils::GetTextShadowRectsUnion(textRect, this));
      overflowRect.UnionRect(overflowRect, nsRect(nsPoint(0, 0), GetSize()));
      FinishAndStoreOverflow(&overflowRect, GetSize());
    }
    return rv;
}
开发者ID:lofter2011，项目名称:Icefox，代码行数:25，代码来源:nsTextBoxFrame.cpp

示例2: maxSize

nsSize
nsBox::GetMaxSize(nsBoxLayoutState& aState)
{
  NS_ASSERTION(aState.GetRenderingContext(), "must have rendering context");

  nsSize maxSize(NS_INTRINSICSIZE, NS_INTRINSICSIZE);
  DISPLAY_MAX_SIZE(this, maxSize);

  if (IsCollapsed(aState))
    return maxSize;

  AddBorderAndPadding(maxSize);
  nsIBox::AddCSSMaxSize(aState, this, maxSize);
  return maxSize;
}
开发者ID:MozillaOnline，项目名称:gecko-dev，代码行数:15，代码来源:nsBox.cpp

示例3: min

nsSize
nsBox::GetMinSize(nsBoxLayoutState& aState)
{
  NS_ASSERTION(aState.GetRenderingContext(), "must have rendering context");

  nsSize min(0,0);
  DISPLAY_MIN_SIZE(this, min);

  if (IsCollapsed(aState))
    return min;

  AddBorderAndPadding(min);
  nsIBox::AddCSSMinSize(aState, this, min);
  return min;
}
开发者ID:MozillaOnline，项目名称:gecko-dev，代码行数:15，代码来源:nsBox.cpp

示例4: GetTextSize

void
nsTextBoxFrame::CalcTextSize(nsBoxLayoutState& aBoxLayoutState)
{
    if (mNeedsRecalc)
    {
        nsSize size;
        nsPresContext* presContext = aBoxLayoutState.PresContext();
        nsIRenderingContext* rendContext = aBoxLayoutState.GetRenderingContext();
        if (rendContext) {
            GetTextSize(presContext, *rendContext,
                        mTitle, size, mAscent);
            mTextSize = size;
            mNeedsRecalc = PR_FALSE;
        }
    }
}
开发者ID:lofter2011，项目名称:Icefox，代码行数:16，代码来源:nsTextBoxFrame.cpp

示例5: maxSize

nsSize
nsBox::GetXULMaxSize(nsBoxLayoutState& aState)
{
  NS_ASSERTION(aState.GetRenderingContext(), "must have rendering context");

  nsSize maxSize(NS_INTRINSICSIZE, NS_INTRINSICSIZE);
  DISPLAY_MAX_SIZE(this, maxSize);

  if (IsXULCollapsed())
    return maxSize;

  AddBorderAndPadding(maxSize);
  bool widthSet, heightSet;
  nsIFrame::AddXULMaxSize(this, maxSize, widthSet, heightSet);
  return maxSize;
}
开发者ID:brendandahl，项目名称:positron，代码行数:16，代码来源:nsBox.cpp

示例6: min

nsSize
nsBox::GetXULMinSize(nsBoxLayoutState& aState)
{
  NS_ASSERTION(aState.GetRenderingContext(), "must have rendering context");

  nsSize min(0,0);
  DISPLAY_MIN_SIZE(this, min);

  if (IsXULCollapsed())
    return min;

  AddBorderAndPadding(min);
  bool widthSet, heightSet;
  nsIFrame::AddXULMinSize(aState, this, min, widthSet, heightSet);
  return min;
}
开发者ID:brendandahl，项目名称:positron，代码行数:16，代码来源:nsBox.cpp

示例7: pref

nsSize
nsBox::GetPrefSize(nsBoxLayoutState& aState)
{
  NS_ASSERTION(aState.GetRenderingContext(), "must have rendering context");

  nsSize pref(0,0);
  DISPLAY_PREF_SIZE(this, pref);

  if (IsCollapsed(aState))
    return pref;

  AddBorderAndPadding(pref);
  nsIBox::AddCSSPrefSize(aState, this, pref);

  nsSize minSize = GetMinSize(aState);
  nsSize maxSize = GetMaxSize(aState);
  return BoundsCheck(minSize, pref, maxSize);
}
开发者ID:MozillaOnline，项目名称:gecko-dev，代码行数:18，代码来源:nsBox.cpp

示例8: pref

nsSize
nsBox::GetXULPrefSize(nsBoxLayoutState& aState)
{
  NS_ASSERTION(aState.GetRenderingContext(), "must have rendering context");

  nsSize pref(0,0);
  DISPLAY_PREF_SIZE(this, pref);

  if (IsXULCollapsed())
    return pref;

  AddBorderAndPadding(pref);
  bool widthSet, heightSet;
  nsIFrame::AddXULPrefSize(this, pref, widthSet, heightSet);

  nsSize minSize = GetXULMinSize(aState);
  nsSize maxSize = GetXULMaxSize(aState);
  return BoundsCheck(minSize, pref, maxSize);
}
开发者ID:brendandahl，项目名称:positron，代码行数:19，代码来源:nsBox.cpp

示例9: margin

nscoord
nsListBoxBodyFrame::ComputeIntrinsicISize(nsBoxLayoutState& aBoxLayoutState)
{
  if (mStringWidth != -1)
    return mStringWidth;

  nscoord largestWidth = 0;

  int32_t index = 0;
  nsCOMPtr<nsIDOMElement> firstRowEl;
  GetItemAtIndex(index, getter_AddRefs(firstRowEl));
  nsCOMPtr<nsIContent> firstRowContent(do_QueryInterface(firstRowEl));

  if (firstRowContent) {
    RefPtr<nsStyleContext> styleContext;
    nsPresContext *presContext = aBoxLayoutState.PresContext();
    styleContext = presContext->StyleSet()->
      ResolveStyleFor(firstRowContent->AsElement(), nullptr,
                      ConsumeStyleBehavior::DontConsume,
                      LazyComputeBehavior::Allow);

    nscoord width = 0;
    nsMargin margin(0,0,0,0);

    if (styleContext->StylePadding()->GetPadding(margin))
      width += margin.LeftRight();
    width += styleContext->StyleBorder()->GetComputedBorder().LeftRight();
    if (styleContext->StyleMargin()->GetMargin(margin))
      width += margin.LeftRight();

    FlattenedChildIterator iter(mContent);
    for (nsIContent* child = iter.GetNextChild(); child; child = iter.GetNextChild()) {
      if (child->IsXULElement(nsGkAtoms::listitem)) {
        nsRenderingContext* rendContext = aBoxLayoutState.GetRenderingContext();
        if (rendContext) {
          nsAutoString value;
          uint32_t textCount = child->GetChildCount();
          for (uint32_t j = 0; j < textCount; ++j) {
            nsIContent* text = child->GetChildAt(j);
            if (text && text->IsNodeOfType(nsINode::eTEXT)) {
              text->AppendTextTo(value);
            }
          }

          RefPtr<nsFontMetrics> fm =
            nsLayoutUtils::GetFontMetricsForStyleContext(styleContext);

          nscoord textWidth =
            nsLayoutUtils::AppUnitWidthOfStringBidi(value, this, *fm,
                                                    *rendContext);
          textWidth += width;

          if (textWidth > largestWidth) 
            largestWidth = textWidth;
        }
      }
    }
  }

  mStringWidth = largestWidth;
  return mStringWidth;
}
开发者ID:mephisto41，项目名称:gecko-dev，代码行数:62，代码来源:nsListBoxBodyFrame.cpp

示例10: if

PRBool 
nsIBox::AddCSSMinSize(nsBoxLayoutState& aState, nsIBox* aBox, nsSize& aSize)
{

    PRBool widthSet = PR_FALSE;
    PRBool heightSet = PR_FALSE;
    PRBool canOverride = PR_TRUE;

    // See if a native theme wants to supply a minimum size.
    const nsStyleDisplay* display = aBox->GetStyleDisplay();
    if (display->mAppearance) {
      nsITheme *theme = aState.PresContext()->GetTheme();
      if (theme && theme->ThemeSupportsWidget(aState.PresContext(), aBox, display->mAppearance)) {
        nsIntSize size;
        nsIRenderingContext* rendContext = aState.GetRenderingContext();
        if (rendContext) {
          theme->GetMinimumWidgetSize(rendContext, aBox,
                                      display->mAppearance, &size, &canOverride);
          if (size.width) {
            aSize.width = aState.PresContext()->DevPixelsToAppUnits(size.width);
            widthSet = PR_TRUE;
          }
          if (size.height) {
            aSize.height = aState.PresContext()->DevPixelsToAppUnits(size.height);
            heightSet = PR_TRUE;
          }
        }
      }
    }

    // add in the css min, max, pref
    const nsStylePosition* position = aBox->GetStylePosition();

    // same for min size. Unfortunately min size is always set to 0. So for now
    // we will assume 0 means not set.
    if (position->mMinWidth.GetUnit() == eStyleUnit_Coord) {
        nscoord min = position->mMinWidth.GetCoordValue();
        if (min && (!widthSet || (min > aSize.width && canOverride))) {
           aSize.width = min;
           widthSet = PR_TRUE;
        }
    } else if (position->mMinWidth.GetUnit() == eStyleUnit_Percent) {
        NS_ASSERTION(position->mMinWidth.GetPercentValue() == 0.0f,
          "Non-zero percentage values not currently supported");
        aSize.width = 0;
        widthSet = PR_TRUE;
    }
    // XXX Handle eStyleUnit_Enumerated?
    // (Handling the eStyleUnit_Enumerated types requires
    // GetPrefSize/GetMinSize methods that don't consider
    // (min-/max-/)(width/height) properties.

    if (position->mMinHeight.GetUnit() == eStyleUnit_Coord) {
        nscoord min = position->mMinHeight.GetCoordValue();
        if (min && (!heightSet || (min > aSize.height && canOverride))) {
           aSize.height = min;
           heightSet = PR_TRUE;
        }
    } else if (position->mMinHeight.GetUnit() == eStyleUnit_Percent) {
        NS_ASSERTION(position->mMinHeight.GetPercentValue() == 0.0f,
          "Non-zero percentage values not currently supported");
        aSize.height = 0;
        heightSet = PR_TRUE;
    }

    nsIContent* content = aBox->GetContent();
    if (content) {
        nsAutoString value;
        PRInt32 error;

        content->GetAttr(kNameSpaceID_None, nsGkAtoms::minwidth, value);
        if (!value.IsEmpty())
        {
            value.Trim("%");

            nscoord val =
              nsPresContext::CSSPixelsToAppUnits(value.ToInteger(&error));
            if (val > aSize.width)
              aSize.width = val;
            widthSet = PR_TRUE;
        }

        content->GetAttr(kNameSpaceID_None, nsGkAtoms::minheight, value);
        if (!value.IsEmpty())
        {
            value.Trim("%");

            nscoord val =
              nsPresContext::CSSPixelsToAppUnits(value.ToInteger(&error));
            if (val > aSize.height)
              aSize.height = val;

            heightSet = PR_TRUE;
        }
    }

    return (widthSet && heightSet);
}
开发者ID:MozillaOnline，项目名称:gecko-dev，代码行数:98，代码来源:nsBox.cpp

示例11: margin

nscoord
nsListBoxBodyFrame::ComputeIntrinsicWidth(nsBoxLayoutState& aBoxLayoutState)
{
  if (mStringWidth != -1)
    return mStringWidth;

  nscoord largestWidth = 0;

  PRInt32 index = 0;
  nsCOMPtr<nsIDOMElement> firstRowEl;
  GetItemAtIndex(index, getter_AddRefs(firstRowEl));
  nsCOMPtr<nsIContent> firstRowContent(do_QueryInterface(firstRowEl));

  if (firstRowContent) {
    nsRefPtr<nsStyleContext> styleContext;
    nsPresContext *presContext = aBoxLayoutState.PresContext();
    styleContext = presContext->StyleSet()->
      ResolveStyleFor(firstRowContent->AsElement(), nsnull);

    nscoord width = 0;
    nsMargin margin(0,0,0,0);

    if (styleContext->GetStylePadding()->GetPadding(margin))
      width += margin.LeftRight();
    width += styleContext->GetStyleBorder()->GetActualBorder().LeftRight();
    if (styleContext->GetStyleMargin()->GetMargin(margin))
      width += margin.LeftRight();


    ChildIterator iter, last;
    PRUint32 i = 0;
    for (ChildIterator::Init(mContent, &iter, &last);
         iter != last && i < 100;
         ++iter, ++i) {
      nsIContent *child = (*iter);

      if (child->Tag() == nsGkAtoms::listitem) {
        nsRenderingContext* rendContext = aBoxLayoutState.GetRenderingContext();
        if (rendContext) {
          nsAutoString value;
          PRUint32 textCount = child->GetChildCount();
          for (PRUint32 j = 0; j < textCount; ++j) {
            nsIContent* text = child->GetChildAt(j);
            if (text && text->IsNodeOfType(nsINode::eTEXT)) {
              text->AppendTextTo(value);
            }
          }

          nsRefPtr<nsFontMetrics> fm;
          nsLayoutUtils::GetFontMetricsForStyleContext(styleContext,
                                                       getter_AddRefs(fm));
          rendContext->SetFont(fm);

          nscoord textWidth =
            nsLayoutUtils::GetStringWidth(this, rendContext, value.get(), value.Length());
          textWidth += width;

          if (textWidth > largestWidth) 
            largestWidth = textWidth;
        }
      }
    }
  }

  mStringWidth = largestWidth;
  return mStringWidth;
}
开发者ID:Anachid，项目名称:mozilla-central，代码行数:67，代码来源:nsListBoxBodyFrame.cpp

示例12: margin

nscoord
nsListBoxBodyFrame::ComputeIntrinsicWidth(nsBoxLayoutState& aBoxLayoutState)
{
  if (mStringWidth != -1)
    return mStringWidth;

  nscoord largestWidth = 0;

  PRInt32 index = 0;
  nsCOMPtr<nsIDOMElement> firstRowEl;
  GetItemAtIndex(index, getter_AddRefs(firstRowEl));
  nsCOMPtr<nsIContent> firstRowContent(do_QueryInterface(firstRowEl));

  if (firstRowContent) {
    nsRefPtr<nsStyleContext> styleContext;
    nsPresContext *presContext = aBoxLayoutState.PresContext();
    styleContext = presContext->StyleSet()->
      ResolveStyleFor(firstRowContent, nsnull);

    nscoord width = 0;
    nsMargin margin(0,0,0,0);

    if (styleContext->GetStylePadding()->GetPadding(margin))
      width += margin.LeftRight();
    width += styleContext->GetStyleBorder()->GetBorder().LeftRight();
    if (styleContext->GetStyleMargin()->GetMargin(margin))
      width += margin.LeftRight();

    nsIContent* listbox = mContent->GetBindingParent();
    NS_ENSURE_TRUE(listbox, largestWidth);

    PRUint32 childCount = listbox->GetChildCount();

    for (PRUint32 i = 0; i < childCount && i < 100; ++i) {
      nsIContent *child = listbox->GetChildAt(i);

      if (child->Tag() == nsGkAtoms::listitem) {
        nsIRenderingContext* rendContext = aBoxLayoutState.GetRenderingContext();
        if (rendContext) {
          nsAutoString value;
          PRUint32 textCount = child->GetChildCount();
          for (PRUint32 j = 0; j < textCount; ++j) {
            nsIContent* text = child->GetChildAt(j);
            if (text && text->IsNodeOfType(nsINode::eTEXT)) {
              text->AppendTextTo(value);
            }
          }

          nsLayoutUtils::SetFontFromStyle(rendContext, styleContext);

          nscoord textWidth =
            nsLayoutUtils::GetStringWidth(this, rendContext, value.get(), value.Length());
          textWidth += width;

          if (textWidth > largestWidth) 
            largestWidth = textWidth;
        }
      }
    }
  }

  mStringWidth = largestWidth;
  return mStringWidth;
}
开发者ID:binoc-software，项目名称:mozilla-cvs，代码行数:64，代码来源:nsListBoxBodyFrame.cpp


注：本文中的nsBoxLayoutState::GetRenderingContext方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。