C++ Ptr::dynamicAttribute方法代码示例

QList<QTextLayout::FormatRange> KateRenderer::decorationsForLine( const Kate::TextLine& textLine, int line, bool selectionsOnly, KateRenderRange* completionHighlight, bool completionSelected ) const
{
  QList<QTextLayout::FormatRange> newHighlight;

  // Don't compute the highlighting if there isn't going to be any highlighting
  QList<Kate::TextRange *> rangesWithAttributes = m_doc->buffer().rangesForLine (line, m_printerFriendly ? 0 : m_view, true);
  if (selectionsOnly || textLine->attributesList().count() || rangesWithAttributes.count()) {
    RenderRangeList renderRanges;

    // Add the inbuilt highlighting to the list
    NormalRenderRange* inbuiltHighlight = new NormalRenderRange();
    const QVector<Kate::TextLineData::Attribute> &al = textLine->attributesList();
    for (int i = 0; i < al.count(); ++i)
      if (al[i].length > 0 && al[i].attributeValue > 0)
        inbuiltHighlight->addRange(new KTextEditor::Range(KTextEditor::Cursor(line, al[i].offset), al[i].length), specificAttribute(al[i].attributeValue));
    renderRanges.append(inbuiltHighlight);

    if (!completionHighlight) {
      // check for dynamic hl stuff
      const QSet<Kate::TextRange *> *rangesMouseIn = m_view ? m_view->rangesMouseIn () : 0;
      const QSet<Kate::TextRange *> *rangesCaretIn = m_view ? m_view->rangesCaretIn () : 0;
      bool anyDynamicHlsActive = m_view && (!rangesMouseIn->empty() || !rangesCaretIn->empty());

      // sort all ranges, we want that the most specific ranges win during rendering, multiple equal ranges are kind of random, still better than old smart rangs behavior ;)
      qSort (rangesWithAttributes.begin(), rangesWithAttributes.end(), rangeLessThanForRenderer);

      // loop over all ranges
      for (int i = 0; i < rangesWithAttributes.size(); ++i) {
        // real range
        Kate::TextRange *kateRange = rangesWithAttributes[i];

        // calculate attribute, default: normal attribute
        KTextEditor::Attribute::Ptr attribute = kateRange->attribute();
        if (anyDynamicHlsActive) {
          // check mouse in
          if (KTextEditor::Attribute::Ptr attributeMouseIn = attribute->dynamicAttribute (KTextEditor::Attribute::ActivateMouseIn)) {
            if (rangesMouseIn->contains (kateRange))
              attribute = attributeMouseIn;
          }

          // check caret in
          if (KTextEditor::Attribute::Ptr attributeCaretIn = attribute->dynamicAttribute (KTextEditor::Attribute::ActivateCaretIn)) {
            if (rangesCaretIn->contains (kateRange))
              attribute = attributeCaretIn;
          }
        }

        // span range
        NormalRenderRange *additionaHl = new NormalRenderRange();
        additionaHl->addRange(new KTextEditor::Range (*kateRange), attribute);
        renderRanges.append(additionaHl);
      }
    } else {
      // Add the code completion arbitrary highlight to the list
      renderRanges.append(completionHighlight);
    }

    // Add selection highlighting if we're creating the selection decorations
    if ((selectionsOnly && showSelections() && m_view->selection()) || (completionHighlight && completionSelected) || m_view->blockSelection()) {
      NormalRenderRange* selectionHighlight = new NormalRenderRange();

      // Set up the selection background attribute TODO: move this elsewhere, eg. into the config?
      static KTextEditor::Attribute::Ptr backgroundAttribute;
      if (!backgroundAttribute)
        backgroundAttribute = KTextEditor::Attribute::Ptr(new KTextEditor::Attribute());

      backgroundAttribute->setBackground(config()->selectionColor());
      backgroundAttribute->setForeground(attribute(KTextEditor::HighlightInterface::dsNormal)->selectedForeground().color());

      // Create a range for the current selection
      if (completionHighlight && completionSelected)
        selectionHighlight->addRange(new KTextEditor::Range(line, 0, line + 1, 0), backgroundAttribute);
      else
        if(m_view->blockSelection() && m_view->selectionRange().overlapsLine(line))
          selectionHighlight->addRange(new KTextEditor::Range(m_doc->rangeOnLine(m_view->selectionRange(), line)), backgroundAttribute);
        else {
          selectionHighlight->addRange(new KTextEditor::Range(m_view->selectionRange()), backgroundAttribute);
        }

      renderRanges.append(selectionHighlight);
    // highlighting for the vi visual modes
    }

    KTextEditor::Cursor currentPosition, endPosition;

    // Calculate the range which we need to iterate in order to get the highlighting for just this line
    if (selectionsOnly) {
      if(m_view->blockSelection()) {
        KTextEditor::Range subRange = m_doc->rangeOnLine(m_view->selectionRange(), line);
        currentPosition = subRange.start();
        endPosition = subRange.end();
      } else {
        KTextEditor::Range rangeNeeded = m_view->selectionRange() & KTextEditor::Range(line, 0, line + 1, 0);

        currentPosition = qMax(KTextEditor::Cursor(line, 0), rangeNeeded.start());
        endPosition = qMin(KTextEditor::Cursor(line + 1, 0), rangeNeeded.end());
      }
    } else {
      currentPosition = KTextEditor::Cursor(line, 0);
      endPosition = KTextEditor::Cursor(line + 1, 0);
//.........这里部分代码省略.........