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C++ VisibleSelection::isContentRichlyEditable方法代码示例

本文整理汇总了C++中VisibleSelection::isContentRichlyEditable方法的典型用法代码示例。如果您正苦于以下问题:C++ VisibleSelection::isContentRichlyEditable方法的具体用法?C++ VisibleSelection::isContentRichlyEditable怎么用?C++ VisibleSelection::isContentRichlyEditable使用的例子?那么恭喜您, 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VisibleSelection的用法示例。


在下文中一共展示了VisibleSelection::isContentRichlyEditable方法的1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: concludeEditDrag

bool DragController::concludeEditDrag(DragData* dragData)
{
    ASSERT(dragData);

    RefPtr<HTMLInputElement> fileInput = m_fileInputElementUnderMouse;
    if (m_fileInputElementUnderMouse) {
        m_fileInputElementUnderMouse->setCanReceiveDroppedFiles(false);
        m_fileInputElementUnderMouse = 0;
    }

    if (!m_documentUnderMouse)
        return false;

    IntPoint point = m_documentUnderMouse->view()->windowToContents(dragData->clientPosition());
    Element* element = elementUnderMouse(m_documentUnderMouse.get(), point);
    if (!element)
        return false;
    Frame* innerFrame = element->ownerDocument()->frame();
    ASSERT(innerFrame);

    if (m_page->dragCaretController()->hasCaret() && !dispatchTextInputEventFor(innerFrame, dragData))
        return true;

    if (dragData->containsColor()) {
        Color color = dragData->asColor();
        if (!color.isValid())
            return false;
        RefPtr<Range> innerRange = innerFrame->selection()->toNormalizedRange();
        RefPtr<StylePropertySet> style = StylePropertySet::create();
        style->setProperty(CSSPropertyColor, color.serialized(), false);
        if (!innerFrame->editor()->shouldApplyStyle(style.get(), innerRange.get()))
            return false;
        m_client->willPerformDragDestinationAction(DragDestinationActionEdit, dragData);
        innerFrame->editor()->applyStyle(style.get(), EditActionSetColor);
        return true;
    }

    if (dragData->containsFiles() && fileInput) {
        // fileInput should be the element we hit tested for, unless it was made
        // display:none in a drop event handler.
        ASSERT(fileInput == element || !fileInput->renderer());
        if (fileInput->disabled())
            return false;

        Vector<String> filenames;
        dragData->asFilenames(filenames);
        if (filenames.isEmpty())
            return false;

        fileInput->receiveDroppedFiles(filenames);
        m_client->willPerformDragDestinationAction(DragDestinationActionUpload, dragData);
        return true;
    }

    if (!m_page->dragController()->canProcessDrag(dragData)) {
        m_page->dragCaretController()->clear();
        return false;
    }

    VisibleSelection dragCaret = m_page->dragCaretController()->caretPosition();
    m_page->dragCaretController()->clear();
    RefPtr<Range> range = dragCaret.toNormalizedRange();
    RefPtr<Element> rootEditableElement = innerFrame->selection()->rootEditableElement();

    // For range to be null a WebKit client must have done something bad while
    // manually controlling drag behaviour
    if (!range)
        return false;
    CachedResourceLoader* cachedResourceLoader = range->ownerDocument()->cachedResourceLoader();
    ResourceCacheValidationSuppressor validationSuppressor(cachedResourceLoader);
    if (dragIsMove(innerFrame->selection(), dragData) || dragCaret.isContentRichlyEditable()) {
        bool chosePlainText = false;
        RefPtr<DocumentFragment> fragment = documentFragmentFromDragData(dragData, innerFrame, range, true, chosePlainText);
        if (!fragment || !innerFrame->editor()->shouldInsertFragment(fragment, range, EditorInsertActionDropped)) {
            return false;
        }

        m_client->willPerformDragDestinationAction(DragDestinationActionEdit, dragData);
        if (dragIsMove(innerFrame->selection(), dragData)) {
            // NSTextView behavior is to always smart delete on moving a selection,
            // but only to smart insert if the selection granularity is word granularity.
            bool smartDelete = innerFrame->editor()->smartInsertDeleteEnabled();
            bool smartInsert = smartDelete && innerFrame->selection()->granularity() == WordGranularity && dragData->canSmartReplace();
            applyCommand(MoveSelectionCommand::create(fragment, dragCaret.base(), smartInsert, smartDelete));
        } else {
            if (setSelectionToDragCaret(innerFrame, dragCaret, range, point)) {
                ReplaceSelectionCommand::CommandOptions options = ReplaceSelectionCommand::SelectReplacement | ReplaceSelectionCommand::PreventNesting;
                if (dragData->canSmartReplace())
                    options |= ReplaceSelectionCommand::SmartReplace;
                if (chosePlainText)
                    options |= ReplaceSelectionCommand::MatchStyle;
                applyCommand(ReplaceSelectionCommand::create(m_documentUnderMouse.get(), fragment, options));
            }
        }
    } else {
        String text = dragData->asPlainText(innerFrame);
        if (text.isEmpty() || !innerFrame->editor()->shouldInsertText(text, range.get(), EditorInsertActionDropped)) {
            return false;
        }

//.........这里部分代码省略.........
开发者ID:,项目名称:,代码行数:101,代码来源:


注:本文中的VisibleSelection::isContentRichlyEditable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。