void OperationsDelegate::setEditorData(QWidget *editor,
                                       const QModelIndex &index) const
      {
      const QVariant value = index.data(Qt::EditRole);
      if (value.type() == QVariant::StringList) {
            QListWidget *lw = qobject_cast<QListWidget *>(editor);
            const auto items = lw->findItems(index.data(Qt::DisplayRole).toString(), Qt::MatchExactly);
            if (!items.empty())
                  lw->setCurrentItem(items.first());
            else
                  lw->setCurrentItem(lw->item(0));

            const int extraWidth = 25;
            const int extraHeight = 6;
            lw->setMinimumWidth(lw->sizeHintForColumn(0) + extraWidth);
                        // to prevent possible hiding bottom part of the list
            const int h = lw->count() * (lw->visualItemRect(lw->currentItem()).height() + extraHeight);
            const int y = (lw->parentWidget() && (lw->parentWidget()->rect().bottom() < lw->y() + h))
                        ? lw->parentWidget()->rect().bottom() - h - extraHeight : lw->y();
            lw->setGeometry(lw->x(), y, lw->width(), h);
                        // now lw can be partially hidden behind the tree view
                        // if tree view has small rect, so set parent of lw
                        // to app window and map coordinates accordingly to leave lw in place
            const auto globalCoord = lw->parentWidget()->mapToGlobal(lw->geometry().topLeft());
            lw->setParent(appWindow);
            const auto newLocalCoord = appWindow->mapFromGlobal(globalCoord);
            lw->setGeometry(newLocalCoord.x(), newLocalCoord.y(), lw->width(), h);
            }
      else        // single value
            QStyledItemDelegate::setEditorData(editor, index);
      }
dmz::V8Value
dmz::JsModuleUiV8QtBasic::_list_widget_find_items (const v8::Arguments &Args) {

   v8::HandleScope scope;
   V8Value result = v8::Undefined ();

   JsModuleUiV8QtBasic *self = _to_self (Args);
   if (self) {

      QListWidget *table = self->v8_to_qobject<QListWidget> (Args.This ());
      if (table) {

         if (Args.Length ()) {

            QString str (v8_to_qstring (Args[0]));
            Qt::MatchFlags flag = Qt::MatchExactly;
            if (Args.Length () > 1) {

               flag = (Qt::MatchFlags)v8_to_uint32 (Args[1]);
            }
            QList<QListWidgetItem *> items = table->findItems (str, flag);
            const int Length = items.count ();
            V8Array array = v8::Array::New (Length);
            for (int ix = 0; ix < Length; ++ix) {

               V8Value value = self->create_v8_qlistwidgetitem (items.at (ix));
               array->Set (v8::Integer::New (ix), value);
            }
            result = array;
         }
      }
   }

   return scope.Close (result);
}
Exemple #3
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void MainWindow::onLabelRemoved(medusa::Label const & label)
{
  QString labelName = QString::fromStdString(label.GetName());
  QListWidget *curList = nullptr;

  switch (label.GetType())
  {
  case medusa::Label::LabelData:   curList = dataList;   break;
  case medusa::Label::LabelCode:   curList = codeList;   break;
  case medusa::Label::LabelString: curList = stringList; break;
  default:                                               break;
  }

  if (curList != nullptr)
  {
    auto items = curList->findItems(labelName, Qt::MatchExactly);

    // something bad happened
    if (items.size() != 1) return;

    auto item = items.takeFirst();
    curList->removeItemWidget(item);
    delete item;
  }

  if (label.GetType() & medusa::Label::LabelImported)
    curList = importedList;
  else if (label.GetType() & medusa::Label::LabelExported)
    curList = exportedList;

  if (curList != nullptr)
  {
    auto items = curList->findItems(labelName, Qt::MatchExactly);

    // something bad happened
    if (items.size() != 1) return;

    auto item = items.takeFirst();
    curList->removeItemWidget(item);
    delete item;
  }
}