C++ TQListViewItem::firstChild方法代码示例

void Zone::getSelectedZonelist(TDEListView *listView)
{
     _remotezonelist.clear();

     /* loop through all entries */
     TQListViewItem *root = listView->firstChild();
     while (root) {
	if (root->firstChild()) {
		root = root->firstChild();
		continue;
	}

	TQCheckListItem *cl = (TQCheckListItem*) root;
	if (cl->isOn()) {
		_remotezonelist.append(cl->text(2));
	}

	if (root->nextSibling()) {
		root = root->nextSibling();
		continue;
	}
	root = root->parent();
	if (root)
		root = root->nextSibling();
     }
}

TQListViewItem* KMWLocal::lookForItem( const TQString& uri )
{
	for ( int i=0; i<4; i++ )
	{
		TQListViewItem *item = m_parents[ i ]->firstChild();
		while ( item )
			if ( item->text( 1 ) == uri )
				if ( item->firstChild() )
					return item->firstChild();
				else
					return item;
			else
				item = item->nextSibling();
	}
	return 0;
}

void KJanusWidget::InsertTreeListItem(const TQStringList &items, const TQPixmap &pixmap, TQFrame *page)
{
  bool isTop = true;
  TQListViewItem *curTop = 0, *child, *last, *newChild;
  unsigned int index = 1;
  TQStringList curPath;

  for ( TQStringList::ConstIterator it = items.begin(); it != items.end(); ++it, index++ ) {
    TQString name = (*it);
    bool isPath = ( index != items.count() );

    // Find the first child.
    if (isTop) {
      child = mTreeList->firstChild();
    }
    else {
      child = curTop->firstChild();
    }

    // Now search for a child with the current Name, and if it we doesn't
    // find it, then remember the location of the last child.
    for (last = 0; child && child->text(0) != name ; last = child, child = child->nextSibling());

    if (!last && !child) {
      // This node didn't have any children at all, lets just insert the
      // new child.
      if (isTop)
        newChild = new TQListViewItem(mTreeList, name);
      else
        newChild = new TQListViewItem(curTop, name);

    }
    else if (child) {
      // we found the given name in this child.
      if (!isPath) {
        kdDebug() << "The element inserted was already in the TreeList box!" << endl;
        return;
      }
      else {
        // Ok we found the folder
        newChild  = child;
      }
    }
    else {
      // the node had some children, but we didn't find the given name
      if (isTop)
        newChild = new TQListViewItem(mTreeList, last, name);
      else
        newChild = new TQListViewItem(curTop, last, name);
    }

    // Now make the element expandable if it is a path component, and make
    // ready for next loop
    if (isPath) {
      newChild->setExpandable(true);
      curTop = newChild;
      isTop = false;
      curPath << name;

      TQString key = curPath.join("_/_");
      if (mFolderIconMap.contains(key)) {
        TQPixmap p = mFolderIconMap[key];
        newChild->setPixmap(0,p);
      }
    }
    else {
      if (mShowIconsInTreeList) {
        newChild->setPixmap(0, pixmap);
      }
      mTreeListToPageStack.insert(newChild, page);
    }
  }
}