File indexing completed on 2024-04-21 03:42:44

 /*
     SPDX-FileCopyrightText: 2001 Jason Harris <jharris@30doradus.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include "ui_finddialog.h"
 #include "catalogsdb.h"
 
 #include <QDialog>
 #include <QKeyEvent>
 
 class QTimer;
 class QComboBox;
 class QStringListModel;
 class QSortFilterProxyModel;
 class SkyObjectListModel;
 class SkyObject;
 class DeepSkyObject;
 
 class FindDialogUI : public QFrame, public Ui::FindDialog
 {
     Q_OBJECT
   public:
     explicit FindDialogUI(QWidget *parent = nullptr);
 };
 
 /**
  * @class FindDialog
  * Dialog window for finding SkyObjects by name.  The dialog contains
  * a QListBox showing the list of named objects, a QLineEdit for filtering
  * the list by name, and a QCombobox for filtering the list by object type.
  *
  * 2018-12 JM: The dialog is a singleton since we need a single instance in KStars.
  * @short Find Object Dialog
  * @author Jason Harris
  * @author Jasem Mutlaq
  * @version 1.1
  */
 class FindDialog : public QDialog
 {
     Q_OBJECT
   public:
     static FindDialog *Instance();
 
     /**
      * @return the target object (need not be the same as currently selected object!)
      *
      * @note Avoid using selectedObject()
      */
     inline SkyObject *targetObject() { return m_targetObject; }
 
 
     /**
      * @brief exec overrides base's QDialog::exec() to provide a parent widget.
      * @param parent is the widget to position the FindDialog instance againt.
      * @return QDialog::exec() result.
      */
     int execWithParent(QWidget* parent = nullptr);
 
     // Backend methods
     /**
      * @short Do some post processing on the search text to interpret what the user meant
      * This could include replacing text like "m93" with "m 93"
      */
     static QString processSearchText(QString searchText);
 
     // FIXME: Move this method to a better place, maybe into the NameResolver
     /**
      * @short Resolves an object using the internet and adds it to the database
      * @note Can only be called when KStars is fully initialized
      * @return a pointer to the DeepSkyObject (instance managed by internetResolvedComponent) if successful, nullptr otherwise
      */
     static CatalogObject *resolveAndAdd(CatalogsDB::DBManager &db_manager, const QString &query);
 
   public slots:
     /**
      * When Text is entered in the QLineEdit, filter the List of objects
      * so that only objects which start with the filter text are shown.
      */
     void filterList();
 
     // FIXME: Still valid for QDialog?  i.e., does QDialog have a slotOk() ?
     /**
      * Overloading the Standard QDialogBase slotOk() to show a "sorry"
      * message box if no object is selected and internet resolution was
      * disabled/failed when the user presses Ok.  The window is not
      * closed in this case.
      */
     void slotOk();
 
     /**
      * @short This slot resolves the object on the internet, ignoring the selection on the list
      */
     void slotResolve();
 
   private slots:
     /** Init object list after opening dialog. */
     void init();
 
     /** Set the selected item to the first item in the list */
     void initSelection();
 
     void enqueueSearch();
 
     void slotDetails();
 
     /** Enable/disable the OK button, and set the default button */
     void slotUpdateButtons();
 
   protected:
     /**
      * Process Keystrokes.  The Up and Down arrow keys are used to select the
      * Previous/Next item in the listbox of named objects.  The Esc key closes
      * the window with no selection, using reject().
      * @param e The QKeyEvent pointer
      */
     void keyPressEvent(QKeyEvent *e) override;
 
     void showEvent(QShowEvent *e) override;
 
     /** @return the currently-selected item from the listbox of named objects */
     SkyObject *selectedObject() const;
 
   private:
     /**
      * Constructor. Creates all widgets and packs them in QLayouts. Connects
      * Signals and Slots. Runs initObjectList().
      */
     explicit FindDialog(QWidget *parent = nullptr);
 
     static FindDialog *m_Instance;
 
     /**
      * @short processSearchText(QString) called on the text entered in the find dialog
      */
     inline QString processSearchText() { return processSearchText(ui->SearchBox->text()); }
 
     /** @short Finishes the processing towards closing the dialog initiated by slotOk() or slotResolve() */
     void finishProcessing(SkyObject *selObj = nullptr, bool resolve = true);
 
     /** @short pre-filter the list of objects according to the selected object type. */
     void filterByType();
 
     FindDialogUI *ui { nullptr };
     SkyObjectListModel *fModel { nullptr };
     QSortFilterProxyModel *sortModel { nullptr };
     QTimer *timer { nullptr };
     bool listFiltered { false };
     std::size_t m_currentSearchSequence { 0 };
     QPushButton *okB { nullptr };
     SkyObject *m_targetObject { nullptr };
 
     // History
     QComboBox *m_HistoryCombo { nullptr};
     QList<SkyObject *> m_HistoryList;
 
     // DSO Database
     CatalogsDB::DBManager m_dbManager; // runs in this thread
 };