C++ (Cpp) selectedNode Examples

Example #1

File: nsXULMenuAccessible.cpp Project: EdgarChen/mozilla-cvs-history

// Interface methods
NS_IMETHODIMP nsXULSelectableAccessible::GetSelectedChildren(nsIArray **aChildren)
{
  *aChildren = nsnull;
  if (!mSelectControl) {
    return NS_ERROR_FAILURE;
  }

  nsCOMPtr<nsIAccessibilityService> accService = GetAccService();
  NS_ENSURE_TRUE(accService, NS_ERROR_FAILURE);

  nsCOMPtr<nsIMutableArray> selectedAccessibles =
    do_CreateInstance(NS_ARRAY_CONTRACTID);
  NS_ENSURE_STATE(selectedAccessibles);

  // For XUL multi-select control
  nsCOMPtr<nsIDOMXULMultiSelectControlElement> xulMultiSelect =
    do_QueryInterface(mSelectControl);
  nsCOMPtr<nsIAccessible> selectedAccessible;
  if (xulMultiSelect) {
    PRInt32 length = 0;
    xulMultiSelect->GetSelectedCount(&length);
    for (PRInt32 index = 0; index < length; index++) {
      nsCOMPtr<nsIDOMXULSelectControlItemElement> selectedItem;
      xulMultiSelect->GetSelectedItem(index, getter_AddRefs(selectedItem));
      nsCOMPtr<nsIDOMNode> selectedNode(do_QueryInterface(selectedItem));
      accService->GetAccessibleInWeakShell(selectedNode, mWeakShell,
                                           getter_AddRefs(selectedAccessible));
      if (selectedAccessible)
        selectedAccessibles->AppendElement(selectedAccessible, PR_FALSE);
    }
  }
  else {  // Single select?
    nsCOMPtr<nsIDOMXULSelectControlItemElement> selectedItem;
    mSelectControl->GetSelectedItem(getter_AddRefs(selectedItem));
    nsCOMPtr<nsIDOMNode> selectedNode(do_QueryInterface(selectedItem));
    if(selectedNode) {
      accService->GetAccessibleInWeakShell(selectedNode, mWeakShell,
                                           getter_AddRefs(selectedAccessible));
      if (selectedAccessible)
        selectedAccessibles->AppendElement(selectedAccessible, PR_FALSE);
    }
  }

  PRUint32 uLength = 0;
  selectedAccessibles->GetLength(&uLength);
  if (uLength != 0) { // length of nsIArray containing selected options
    NS_ADDREF(*aChildren = selectedAccessibles);
  }

  return NS_OK;
}

Example #2

File: diagramwindow.cpp Project: Volatilexian/Diagram

void DiagramWindow::cut()
{
    Node *node = selectedNode();
    if(!node)
        return;

    copy();
    delete node;
}

Example #3

File: diagramwindow.cpp Project: Volatilexian/Diagram

void DiagramWindow::copy()
{
    Node *node = selectedNode();
    if(!node)
        return;

    QString str = QString("Node %1 %2 %3 %4")
            .arg(node->textColor().name())
            .arg(node->outlineColor().name())
            .arg(node->backgroundColor().name())
            .arg(node->text());
    QApplication::clipboard()->setText(str);
}

Example #4

File: diagramwindow.cpp Project: Volatilexian/Diagram

void DiagramWindow::properties()
{
    Node *node = selectedNode();
    Link *link = selectedLink();

    if(node)
    {
        PropertiesDialog dialog(node, this);
        dialog.exec();
    }
    else if(link)
    {
        QColor color = QColorDialog::getColor(link->color(), this);
        if(color.isValid())
            link->setColor(color);
    }
}

Example #5

File: diagramwindow.cpp Project: Volatilexian/Diagram

void DiagramWindow::updateActions()
{
    bool hasSelection = !scene->selectedItems().isEmpty();
    bool isNode = (selectedNode() != 0);
    bool isNodePair = (selectedNodePair() != QPair<Node *, Node *>());

    cutAction->setEnabled(isNode);
    copyAction->setEnabled(isNode);
    addLinkAction->setEnabled(isNodePair);
    deleteAction->setEnabled(hasSelection);
    bringToFrontAction->setEnabled(isNode);
    sendToBackAction->setEnabled(isNode);
    propertiesAction->setEnabled(isNode);

    foreach(QAction *action, view->actions())
        view->removeAction(action);

    foreach(QAction *action, editMenu->actions())
        if(action->isEnabled())
            view->addAction(action);
}

Example #6

File: diagramwindow.cpp Project: Volatilexian/Diagram

void DiagramWindow::setZValue(int z)
{
    Node *node = selectedNode();
    if(node)
        node->setZValue(z);
}