runtime/khelpcenter/htmlsearch/ktagcombobox.h

   1 /*
   2  * ktagcombobox.h - A combobox with support for submenues, icons and tags
   3  *
   4  * Copyright (c) 1999-2000 Hans Petter Bieker <bieker@kde.org>
   5  *
   6  * Requires the Qt widget libraries, available at no cost at
   7  * http://www.troll.no/
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  22  */
  23
  24
  25 #ifndef __KTAGCOMBOBOX_H__
  26 #define __KTAGCOMBOBOX_H__
  27
  28 #include <QComboBox>
  29
  30 class QPopupMenu;
  31
  32 /*
  33  * This class should be just like qcombobox, but it should be possible
  34  * to have have a QIcon for each entry, and each entry should have a tag.
  35  *
  36  * It has also support for sub menus.
  37  */
  38 class KTagComboBox : public QComboBox
  39 {
  40   Q_OBJECT
  41
  42 public:
  43   explicit KTagComboBox(QWidget *parent=0, const char *name=0);
  44   ~KTagComboBox();
  45
  46   void insertItem(const QIcon& icon, const QString &text, const QString &tag, const QString &submenu = QString(), int index=-1 );
  47   void insertItem(const QString &text, const QString &tag, const QString &submenu = QString(), int index=-1 );
  48   void insertSeparator(const QString &submenu = QString(), int index=-1 );
  49   void insertSubmenu(const QString &text, const QString &tag, const QString &submenu = QString(), int index=-1);
  50
  51   int count() const;
  52   void clear();
  53
  54   /*
  55    * Tag of the selected item
  56    */
  57   QString currentTag() const;
  58   QString tag ( int i ) const;
  59   bool containsTag (const QString &str ) const;
  60
  61   /*
  62    * Set the current item
  63    */
  64   int currentItem() const;
  65   void setCurrentItem(int i);
  66   void setCurrentItem(const QString &code);
  67
  68   // widget stuff
  69   virtual void setFont( const QFont & );
  70
  71 Q_SIGNALS:
  72   void activated( int index );
  73   void highlighted( int index );
  74
  75 private Q_SLOTS:
  76   void internalActivate( int );
  77   void internalHighlight( int );
  78
  79 protected:
  80   void paintEvent( QPaintEvent * );
  81   void mousePressEvent( QMouseEvent * );
  82   void keyPressEvent( QKeyEvent *e );
  83   void popupMenu();
  84
  85 private:
  86   // work space for the new class
  87   QStringList tags;
  88   QPopupMenu *popup, *old_popup;
  89   int current;
  90 };
  91
  92 #endif