C++ QListViewItem::depth方法代码示例

void ActionConfigDialog::slotDeleteAction()
{
    if ( KMessageBox::warningContinueCancel(this, i18n("<qt>Removing the action removes all the references to it.\nAre you sure you want to remove the <b>%1</b> action?</qt>").arg(currentAction->text()),QString::null,KStdGuiItem::del()) == KMessageBox::Continue )
  {
    QString actionName = currentAction->name();
    emit deleteUserAction(currentAction);
    currentAction = 0L;
    //update the tree view
    QListViewItem *listItem;
    QListViewItemIterator it(actionTreeView);
    while (it.current())
    {
      listItem = it.current();
      if (listItem->depth() > 0 && listItem->text(2) == actionName)
      {
        ++it;
        delete listItem;
      } else
      {
        ++it;
      }
    }
    slotSelectionChanged(actionTreeView->currentItem());
  }
}

bool ListViewDnd::dropEvent( QDropEvent * event )
{
    if ( dragInside ) {
    
	if ( dMode & NullDrop ) { // combined with Move, a NullDrop will delete an item
	    event->accept();
	    emit dropped( 0 ); // a NullDrop
	    return TRUE;
	}
	
	QPoint pos = event->pos();

	ListViewItemDrag::DropRelation dr = ListViewItemDrag::Sibling;
	QListViewItem *item = itemAt( pos );
	int dpos = dropDepth( item, pos );

	if ( item ) {
	    if ( dpos > item->depth() && !(dMode & Flat) ) {
		// Child node
		dr = ListViewItemDrag::Child;
	    } else if ( dpos < item->depth() ) {
		// Parent(s) Sibling
		while ( item && (item->depth() > dpos) )
		    item = item->parent();
	    }
	}

	if ( ListViewItemDrag::decode( event, (QListView *) src, item, dr ) ) {
	    event->accept();
	    emit dropped( 0 ); // Use ID instead of item?
	}
    }

    line->hide();
    dragInside = FALSE;

    return TRUE;
}

void DirectoryView::contentsMousePressEvent( QMouseEvent* e )
{
    QListView::contentsMousePressEvent(e);
    QPoint p( contentsToViewport( e->pos() ) );
    QListViewItem *i = itemAt( p );
    if ( i ) {
        // if the user clicked into the root decoration of the item, don't try to start a drag!
        if ( p.x() > header()->cellPos( header()->mapToActual( 0 ) ) +
             treeStepSize() * ( i->depth() + ( rootIsDecorated() ? 1 : 0) ) + itemMargin() ||
             p.x() < header()->cellPos( header()->mapToActual( 0 ) ) ) {
            presspos = e->pos();
            mousePressed = TRUE;
        }
    }
}

void VCSliderProperties::slotLevelCapabilityButtonClicked()
{
	QListViewItem* item = NULL;
	QStringList list;

	item = m_levelList->currentItem();
	if (item == NULL || item->depth() != 2)
		return;

	list = QStringList::split("-", item->text(KColumnRange));
	Q_ASSERT(list.size() == 2);

	m_levelLowLimitSpin->setValue(list[0].toInt());
	m_levelHighLimitSpin->setValue(list[1].toInt());
}

void KOTodoListView::contentsMousePressEvent(QMouseEvent* e)
{
  QListView::contentsMousePressEvent(e);
  QPoint p(contentsToViewport(e->pos()));
  QListViewItem *i = itemAt(p);
  if (i) {
    // if the user clicked into the root decoration of the item, don't
    // try to start a drag!
    if (p.x() > header()->sectionPos(header()->mapToIndex(0)) +
        treeStepSize() * (i->depth() + (rootIsDecorated() ? 1 : 0)) +
        itemMargin() ||
        p.x() < header()->sectionPos(header()->mapToIndex(0))) {
      if (e->button()==Qt::LeftButton) {
        mPressPos = e->pos();
        mMousePressed = true;
      }
    }
  }
}

ActionConfigDialog::ActionConfigDialog(const QDict<ToolbarEntry> &toolbarList, KMainWindow* parent, const char* name, bool modal, WFlags fl, const QString& defaultAction )
    :ActionConfigDialogS( parent, name, modal, fl )
{
  m_mainWindow = parent;
  m_toolbarList = toolbarList;
  buttonOk->setIconSet(SmallIconSet("button_ok"));
  buttonCancel->setIconSet(SmallIconSet("button_cancel"));
  buttonApply->setIconSet(SmallIconSet("apply"));
  //buttonHelp->setIconSet(SmallIconSet("help"));

  currentAction = 0L;
  m_toolbarItem = 0L;

  connect(actionTreeView, SIGNAL(contextMenu(KListView *,QListViewItem *,const QPoint &)),
                          SLOT(slotContextMenu(KListView *,QListViewItem *,const QPoint &)));
  connect(actionTreeView, SIGNAL(selectionChanged(QListViewItem *)),
                          SLOT(slotSelectionChanged(QListViewItem *)));
  connect(shortcutKeyButton, SIGNAL(capturedShortcut(const KShortcut &)),
                             SLOT(slotShortcutCaptured(const KShortcut &)));
  connect(scriptPath, SIGNAL(activated(const QString&)),
                      SLOT(slotTextChanged(const QString&)));
  connect(this, SIGNAL(addToolbar()), m_mainWindow, SLOT(slotAddToolbar()));
  connect(this, SIGNAL(removeToolbar(const QString&)), m_mainWindow, SLOT(slotRemoveToolbar(const QString&)));
  connect(this, SIGNAL(deleteUserAction(KAction*)), m_mainWindow, SLOT(slotDeleteAction(KAction*)));
  connect(this, SIGNAL(configureToolbars(const QString&)), m_mainWindow, SLOT(slotConfigureToolbars(const QString&)));
//fill up the tree view with the toolbars and actions
  actionTreeView->setSorting(-1);
  allActionsItem = new KListViewItem(actionTreeView, i18n("All"));
  actionTreeView->insertItem(allActionsItem);
  QListViewItem *item, *oldItem = allActionsItem;
  KAction *action;
  QString toolbarName;
  QString toolbarId;
  ToolbarTabWidget *tb = ToolbarTabWidget::ref();
  QRegExp r("\\&(?!\\&)");
  KActionCollection *ac = m_mainWindow->actionCollection();
  for (int i = 0; i < tb->count(); i++)
  {
    toolbarName = tb->label(i);
    toolbarName.replace(r, "");
    item = new KListViewItem(actionTreeView, oldItem, i18n(toolbarName.utf8()));
    actionTreeView->insertItem(item);

    toolbarId = tb->id(i);
    QListViewItem *oldActionItem = 0L;
    ToolbarEntry *p_toolbar = m_toolbarList[toolbarId];
    if (p_toolbar)
    {
      QDomNode node = p_toolbar->guiClient->domDocument().firstChild().firstChild().firstChild();
      while (!node.isNull())
      {
        if (node.nodeName() == "Action")
        {
          action = ac->action(node.toElement().attribute("name"));
          if (action)
          {
            oldActionItem = new KListViewItem(item, oldActionItem, action->text().replace(r,""), action->shortcut().toString(), action->name());
            oldActionItem->setPixmap(0, SmallIcon(action->icon()) );
          }
        }
        node = node.nextSibling();
      }
      if (tb->label(tb->currentPageIndex()).replace(r, "") == toolbarName)
      {
         item->setOpen(true);
         if (item->firstChild())
         {
           if (defaultAction.isEmpty())
           {
             actionTreeView->setCurrentItem(item->firstChild());
           } else
           {
             QListViewItem *actionItem = item->firstChild();
             while (actionItem && actionItem->depth() > 0)
             {
                if (actionItem->text(0) == defaultAction || actionItem->text(0) == defaultAction + "...")
                {
                  actionTreeView->setCurrentItem(actionItem);
                  break;
                }
                actionItem = actionItem->nextSibling();
             }
           }
         }
      }
    }
    oldItem = item;
  }
  uint acCount = ac->count();
  for (uint i = 0; i < acCount; i++)
  {
    action = ac->action(i);
    item = new KListViewItem(allActionsItem, action->text().replace(r, ""),  action->shortcut().toString(), action->name());
    item->setPixmap(0, SmallIcon(action->icon()) );
  }
  allActionsItem->sortChildItems(0, true);

  treeMenu = new KPopupMenu(actionTreeView);
  treeMenu->insertItem(i18n("&Add New Toolbar"), this, SLOT(slotAddToolbar()));
  treeMenu->insertItem(i18n("&Remove Toolbar"), this, SLOT(slotRemoveToolbar()));
//.........这里部分代码省略.........

void ActionConfigDialog::saveCurrentAction()
{
  static_cast<TagAction *>(currentAction)->setModified(true);
  QString s;
  QDomElement el = static_cast<TagAction *>(currentAction)->data();
  s = actionIcon->icon();
  el.setAttribute("icon", s);
  currentAction->setIcon(s);
  QString oldText = el.attribute("text");
  s = lineText->text();
  s.replace('&', "&&");
  el.setAttribute("text", s);
  currentAction->setText(s);
  s = lineToolTip->text();
  el.setAttribute("tooltip", s);
  currentAction->setToolTip(s);
  s = "";
  if (customShortcut->isChecked())
  {
    s = selectedShortcut.toString();
    currentAction->setShortcut(selectedShortcut);
  } else
  {
    currentAction->setShortcut(KShortcut());
  }
  el.setAttribute("shortcut", s);


//update the tree view
  QListViewItem *listItem;
  QListViewItemIterator it(actionTreeView);
  while (it.current())
  {
    listItem = it.current();
    if (listItem->depth() > 0 && listItem->text(2) == currentAction->name())
    {
      listItem->setPixmap(0, SmallIcon(actionIcon->icon()));
      listItem->setText(0, lineText->text());
      listItem->setText(1, currentAction->shortcut().toString());
    }
    ++it;
  }

//remove all the detailed settings
  QDomElement item = el.namedItem("tag").toElement();
  if ( !item.isNull() )
      el.removeChild(item);
  item = el.namedItem("tag").toElement();
  if ( !item.isNull() )
      el.removeChild(item);
  item = el.namedItem("xtag").toElement();
  if ( !item.isNull() )
      el.removeChild(item);
  item = el.namedItem("script").toElement();
  if ( !item.isNull() )
      el.removeChild(item);
  item = el.namedItem("text").toElement();
  if ( !item.isNull() )
      el.removeChild(item);
//add the new detailed settings
  QDomDocument document = QDomDocument();
  int type = typeCombo->currentItem();
  switch (type)
  {
    case 1:{
        el.setAttribute("type","script");
        item = document.createElement("script");
        switch (inputBox->currentItem())
        {
          case 1:{ item.setAttribute("input", "current");
                   break;
                 }
          case 2:{ item.setAttribute("input", "selected");
                   break;
                 }
          default:{ item.setAttribute("input", "none");
                    break;
                  }
        }
        switch (outputBox->currentItem())
        {
          case 1:{ item.setAttribute("output", "cursor");
                   break;
                 }
          case 2:{ item.setAttribute("output", "selection");
                   break;
                 }
          case 3:{ item.setAttribute("output", "replace");
                   break;
                 }
          case 4:{ item.setAttribute("output", "new");
                   break;
                 }
          case 5:{ item.setAttribute("output", "message");
                   break;
                 }
          default:{ item.setAttribute("output", "none");
                    break;
                  }
        }
//.........这里部分代码省略.........