Warning, file /education/kstars/kstars/widgets/draglistbox.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*
     SPDX-FileCopyrightText: 2005 Jason Harris <kstars@30doradus.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "draglistbox.h"
 
 #include <KLocalizedString>
 
 #include <QDrag>
 #include <QDragEnterEvent>
 #include <QDropEvent>
 #include <QMimeData>
 #include <QMouseEvent>
 
 DragListBox::DragListBox(QWidget *parent, const char *name) : QListWidget(parent)
 {
     if (name)
     {
         setObjectName(name);
     }
     setAcceptDrops(true);
 }
 
 bool DragListBox::contains(const QString &s) const
 {
     QList<QListWidgetItem *> foundList = findItems(s, Qt::MatchExactly);
     if (foundList.isEmpty())
         return false;
     else
         return true;
 }
 
 void DragListBox::dragEnterEvent(QDragEnterEvent *evt)
 {
     if (evt->mimeData()->hasText())
     {
         evt->acceptProposedAction();
     }
     else
     {
         evt->ignore();
     }
 }
 
 void DragListBox::dragMoveEvent(QDragMoveEvent *evt)
 {
     if (evt->mimeData()->hasText())
     {
         evt->acceptProposedAction();
     }
     else
     {
         evt->ignore();
     }
 }
 
 void DragListBox::dropEvent(QDropEvent *evt)
 {
     QString text;
 
     if (evt->mimeData()->hasText())
     {
         text = evt->mimeData()->text();
 
         //Copy an item dragged from FieldPool to FieldList
         //If we dragged an "Ignore" item from the FieldPool to the FieldList, then we don't
         //need to insert the item, because FieldPool already has a persistent Ignore item.
         if (!(text == i18n("Ignore") && QString(evt->source()->objectName()) == "FieldList" && evt->source() != this))
         {
             QListWidgetItem *lwi = itemAt(evt->pos());
             if (lwi == nullptr && evt->pos().y() > visualItemRect(item(count() - 1)).bottom())
             {
                 addItem(text);
             }
             else
             {
                 int i = row(itemAt(evt->pos()));
                 insertItem(i, text);
             }
         }
 
         //Remove an item dragged from FieldList to FieldPool.
         //If we dragged the "Ignore" item from FieldList to FieldPool, then we don't
         //want to remove the item from the FieldPool
         if (!(text == i18n("Ignore") && QString(evt->source()->objectName()) == "FieldPool" && evt->source() != this))
         {
             DragListBox *fp = (DragListBox *)evt->source();
             delete fp->takeItem(fp->currentRow());
         }
     }
     evt->acceptProposedAction();
 }
 
 void DragListBox::mousePressEvent(QMouseEvent *evt)
 {
     QListWidget::mousePressEvent(evt);
 
     if (evt->button() == Qt::LeftButton)
     {
         leftButtonDown = true;
     }
 }
 
 void DragListBox::mouseReleaseEvent(QMouseEvent *evt)
 {
     QListWidget::mouseReleaseEvent(evt);
 
     if (evt->button() == Qt::LeftButton)
     {
         leftButtonDown = false;
     }
 }
 
 void DragListBox::mouseMoveEvent(QMouseEvent *evt)
 {
     if (leftButtonDown)
     {
         leftButtonDown = false; //Don't create multiple QDrag objects!
 
         QDrag *drag         = new QDrag(this);
         QMimeData *mimeData = new QMimeData;
         mimeData->setText(currentItem()->text());
         drag->setMimeData(mimeData);
 
         drag->exec();
         evt->accept();
     }
 }