C++ View::cursorPosition方法代码示例

///The first definition that belongs to a context that surrounds the current cursor
Declaration* cursorContextDeclaration() {
  KTextEditor::View* view = ICore::self()->documentController()->activeTextDocumentView();
  if(!view)
    return nullptr;

  KDevelop::DUChainReadLocker lock( DUChain::lock() );

  TopDUContext* ctx = DUChainUtils::standardContextForUrl(view->document()->url());
  if(!ctx)
    return nullptr;

  KTextEditor::Cursor cursor(view->cursorPosition());

  DUContext* subCtx = ctx->findContext(ctx->transformToLocalRevision(cursor));

  while(subCtx && !subCtx->owner())
    subCtx = subCtx->parentContext();

  Declaration* definition = nullptr;

  if(!subCtx || !subCtx->owner())
    definition = DUChainUtils::declarationInLine(cursor, ctx);
  else
    definition = subCtx->owner();

  if(!definition)
    return nullptr;

  return definition;
}

QString KateCTagsView::currentWord( )
{
    KTextEditor::View *kv = mainWindow()->activeView();
    if (!kv) {
        kDebug() << "no KTextEditor::View" << endl;
        return QString();
    }

    if (kv->selection()) {
        return kv->selectionText();
    }

    if (!kv->cursorPosition().isValid()) {
        kDebug() << "cursor not valid!" << endl;
        return QString();
    }

    int line = kv->cursorPosition().line();
    int col = kv->cursorPosition().column();
    bool includeColon = m_ctagsUi.cmdEdit->text().contains("--extra=+q");

    QString linestr = kv->document()->line(line);

    int startPos = qMax(qMin(col, linestr.length()-1), 0);
    int endPos = startPos;
    while (startPos >= 0 && (linestr[startPos].isLetterOrNumber() ||
        (linestr[startPos] == ':' && includeColon) ||
        linestr[startPos] == '_' ||
        linestr[startPos] == '~'))
    {
        startPos--;
    }
    while (endPos < (int)linestr.length() && (linestr[endPos].isLetterOrNumber() ||
        (linestr[endPos] == ':' && includeColon) ||
        linestr[endPos] == '_')) {
        endPos++;
    }
    if  (startPos == endPos) {
        kDebug() << "no word found!" << endl;
        return QString();
    }

    //kDebug() << linestr.mid(startPos+1, endPos-startPos-1);
    return linestr.mid(startPos+1, endPos-startPos-1);
}

// /home/follinge/projects/kscope-kde4/src/editorpage4.h:61:7: error: candidate is: bool kscope4::EditorPage::getCursorPos(uint&, uint&)
bool EditorPage::getCursorPos(int& nLine, int& nCol)
{
    KTextEditor::View* pCursorIf;

    // Acquire the view cursor
    pCursorIf = dynamic_cast<KTextEditor::View*>(m_pView);
    if (pCursorIf == NULL)
        return false;

    // Get the cursor position (adjusted to 1-based counting)
    //pCursorIf->cursorPosition(&nLine, &nCol);
    pCursorIf->cursorPosition().position(nLine, nCol);
    nLine++;
    nCol++;

    return true;
}

void KDevelop::DocumentationController::doShowDocumentation()
{
    IDocument* doc = ICore::self()->documentController()->activeDocument();
    if(!doc)
      return;
    
    KTextEditor::Document* textDoc = doc->textDocument();
    if(!textDoc)
      return;
    
    KTextEditor::View* view = textDoc->activeView();
    if(!view)
      return;
    
    KDevelop::DUChainReadLocker lock( DUChain::lock() );
    
    Declaration *dec = DUChainUtils::declarationForDefinition( DUChainUtils::itemUnderCursor( doc->url(), SimpleCursor(view->cursorPosition()) ) );
    
    if(dec) {
        KSharedPtr< IDocumentation > documentation = documentationForDeclaration(dec);
        if(documentation) {
            showDocumentation(documentation);
        }
    }
}

QWidget* QuickOpenPlugin::specialObjectNavigationWidget() const
{
  KTextEditor::View* view = ICore::self()->documentController()->activeTextDocumentView();
  if( !view )
    return nullptr;

  QUrl url = ICore::self()->documentController()->activeDocument()->url();

  const auto languages = ICore::self()->languageController()->languagesForUrl(url);
  foreach (const auto language, languages) {
    QWidget* w = language->specialLanguageObjectNavigationWidget(url, KTextEditor::Cursor(view->cursorPosition()) );
    if(w)
      return w;
  }

Declaration* cursorDeclaration() {

  KTextEditor::View* view = ICore::self()->documentController()->activeTextDocumentView();
  if(!view)
    return nullptr;

  KDevelop::DUChainReadLocker lock( DUChain::lock() );

  return DUChainUtils::declarationForDefinition( DUChainUtils::itemUnderCursor( view->document()->url(), KTextEditor::Cursor(view->cursorPosition()) ).declaration );
}