C++ (Cpp) InlineTextBox::containsCaretOffset示例

示例#1

文件： Position.cpp 项目： FilipBE/qtextended

bool Position::inRenderedText() const
{
    if (isNull() || !node()->isTextNode())
        return false;
        
    RenderObject *renderer = node()->renderer();
    if (!renderer)
        return false;
    
    RenderText *textRenderer = static_cast<RenderText *>(renderer);
    for (InlineTextBox *box = textRenderer->firstTextBox(); box; box = box->nextTextBox()) {
        if (offset() < box->m_start && !textRenderer->containsReversedText()) {
            // The offset we're looking for is before this node
            // this means the offset must be in content that is
            // not rendered. Return false.
            return false;
        }
        if (box->containsCaretOffset(offset()))
            // Return false for offsets inside composed characters.
            return offset() == 0 || offset() == textRenderer->nextOffset(textRenderer->previousOffset(offset()));
    }
    
    return false;
}