kstars/kstars/finddialog.h

   1 /***************************************************************************
   2                           finddialog.h  -  K Desktop Planetarium
   3                              -------------------
   4     begin                : Wed Jul 4 2001
   5     copyright            : (C) 2001 by Jason Harris
   6     email                : jharris@30doradus.org
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18
  19
  20
  21 #ifndef FINDDIALOG_H
  22 #define FINDDIALOG_H
  23
  24 #include <kdialogbase.h>
  25
  26 class QVBoxLayout;
  27 class QHBoxLayout;
  28 class QGridLayout;
  29 class QLabel;
  30 class QLineEdit;
  31 class QComboBox;
  32 class QListBox;
  33 class QListBoxItem;
  34 //class QStringList;
  35 class SkyObjectNameListItem;
  36
  37 /**@class FindDialog
  38         *Dialog window for finding SkyObjects by name.  The dialog contains
  39         *a QListBox showing the list of named objects, a QLineEdit for filtering
  40         *the list by name, and a QCombobox for filtering the list by object type.
  41         *
  42         *@short Find Object Dialog
  43         *@author Jason Harris
  44         *@version 1.0
  45         */
  46
  47 class FindDialog : public KDialogBase  {
  48 Q_OBJECT
  49
  50 public:
  51 /**Constructor. Creates all widgets and packs them in QLayouts.  Connects
  52         *Signals and Slots.  Runs initObjectList().
  53         */
  54         FindDialog( QWidget* parent = 0 );
  55
  56 /**Destructor
  57         */
  58         ~FindDialog();
  59
  60 /**@return the currently-selected item from the listbox of named objects
  61         */
  62         SkyObjectNameListItem * currentItem() const { return currentitem; }
  63
  64 public slots:
  65 /**When Text is entered in the QLineEdit, filter the List of objects
  66         *so that only objects which start with the filter text are shown.
  67         */
  68         void filter();
  69
  70 /**When the selection of the object type QComboBox is changed, filter
  71         *the List of objects so that only objects of the selected Type are shown.
  72         */
  73         void filterByType();
  74
  75 /**Overloading the Standard KDialogBase slotOk() to show a "sorry" message
  76         *box if no object is selected when the user presses Ok.  The window is
  77         *not closed in this case.
  78         */
  79         void slotOk();
  80
  81 private slots:
  82 /**Init object list after opening dialog.
  83         */
  84         void init();
  85
  86 /**Set the selected item in the list to the item specified.
  87         */
  88         void updateSelection (QListBoxItem *);
  89
  90 /**Change current filter options.
  91         */
  92         void setFilter( int f );
  93
  94 protected:
  95 /**Process Keystrokes.  The Up and Down arrow keys are used to select the
  96         *Previous/Next item in the listbox of named objects.
  97         *@param e The QKeyEvent pointer
  98         */
  99         void keyPressEvent( QKeyEvent *e );
 100
 101 private:
 102 /**
 103         *Automatically select the first item in the list
 104         */
 105         void setListItemEnabled();
 106
 107         QVBoxLayout *vlay;
 108         QHBoxLayout *hlay;
 109         QListBox *SearchList;
 110         QLineEdit *SearchBox;
 111         QLabel *filterTypeLabel;
 112         QComboBox *filterType;
 113
 114         SkyObjectNameListItem *currentitem;
 115
 116         int Filter;
 117 };
 118
 119 #endif