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+/* This file is part of the KDE libraries
+    Copyright (C) 2000 David Faure <faure@kde.org>, Alexander Neundorf <neundorf@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+    Boston, MA 02111-1307, USA.
+*/
+
+#ifndef KEDITLISTBOX_H
+#define KEDITLISTBOX_H
+
+#include <qgroupbox.h>
+#include <qlistbox.h>
+
+class KLineEdit;
+class KComboBox;
+class QPushButton;
+
+class KEditListBoxPrivate;
+/**
+ * An editable listbox
+ *
+ * This class provides a editable listbox ;-), this means
+ * a listbox which is accompanied by a line edit to enter new
+ * items into the listbox and pushbuttons to add and remove
+ * items from the listbox and two buttons to move items up and down.
+ */
+class KEditListBox : public QGroupBox
+{
+   Q_OBJECT
+
+public:
+    /// @since 3.1
+    class CustomEditor
+    {
+    public:
+        CustomEditor()
+            : m_representationWidget( 0L ),
+              m_lineEdit( 0L ) {}
+        CustomEditor( QWidget *repWidget, KLineEdit *edit )
+            : m_representationWidget( repWidget ),
+              m_lineEdit( edit ) {}
+        CustomEditor( KComboBox *combo );
+
+        void setRepresentationWidget( QWidget *repWidget ) {
+            m_representationWidget = repWidget;
+        }
+        void setLineEdit( KLineEdit *edit ) {
+            m_lineEdit = edit;
+        }
+
+        virtual QWidget   *representationWidget() const {
+            return m_representationWidget;
+        }
+        virtual KLineEdit *lineEdit() const {
+            return m_lineEdit;
+        }
+
+    protected:
+        QWidget *m_representationWidget;
+        KLineEdit *m_lineEdit;
+    };
+
+   public:
+
+      /**
+       * Enumeration of the buttons, the listbox offers. Specify them in the
+       * constructor in the buttons parameter.
+       */
+      enum Button { Add = 1, Remove = 2, UpDown = 4, All = Add|Remove|UpDown };
+
+      /**
+       * Create an editable listbox.
+       *
+       * If @p checkAtEntering is true, after every character you type
+       * in the line edit KEditListBox will enable or disable
+       * the Add-button, depending whether the current content of the
+       * line edit is already in the listbox. Maybe this can become a
+       * performance hit with large lists on slow machines.
+       * If @p checkAtEntering is false,
+       * it will be checked if you press the Add-button. It is not
+       * possible to enter items twice into the listbox.
+       */
+      KEditListBox(QWidget *parent = 0, const char *name = 0,
+		   bool checkAtEntering=false, int buttons = All );
+      /**
+       * Create an editable listbox.
+       *
+       * The same as the other constructor, additionally it takes
+       * @title, which will be the title of the frame around the listbox.
+       */
+      KEditListBox(const QString& title, QWidget *parent = 0,
+		   const char *name = 0, bool checkAtEntering=false,
+		   int buttons = All );
+
+      /**
+       * Another constructor, which allows to use a custom editing widget
+       * instead of the standard KLineEdit widget. E.g. you can use a 
+       * @ref KURLRequester or a @ref KComboBox as input widget. The custom
+       * editor must consist of a lineedit and optionally another widget that
+       * is used as representation. A KComboBox or a KURLRequester have a
+       * KLineEdit as child-widget for example, so the KComboBox is used as
+       * the representation widget.
+       *
+       * @see KURLRequester::customEditor()
+       * @since 3.1
+       */
+      KEditListBox( const QString& title,
+                    const CustomEditor &customEditor,
+                    QWidget *parent = 0, const char *name = 0,
+                    bool checkAtEntering = false, int buttons = All );
+
+      virtual ~KEditListBox();
+
+      /**
+       * Return a pointer to the embedded QListBox.
+       */
+      QListBox* listBox() const     { return m_listBox; }
+      /**
+       * Return a pointer to the embedded QLineEdit.
+       */
+      KLineEdit* lineEdit() const     { return m_lineEdit; }
+      /**
+       * Return a pointer to the Add button
+       */
+      QPushButton* addButton() const     { return servNewButton; }
+      /**
+       * Return a pointer to the Remove button
+       */
+      QPushButton* removeButton() const     { return servRemoveButton; }
+      /**
+       * Return a pointer to the Up button
+       */
+      QPushButton* upButton() const     { return servUpButton; }
+      /**
+       * Return a pointer to the Down button
+       */
+      QPushButton* downButton() const     { return servDownButton; }
+
+      /**
+       * See @ref QListBox::count()
+       */
+      int count() const   { return int(m_listBox->count()); }
+      /**
+       * See @ref QListBox::insertStringList()
+       */
+      void insertStringList(const QStringList& list, int index=-1);
+      /**
+       * See @ref QListBox::insertStringList()
+       */
+      void insertStrList(const QStrList* list, int index=-1);
+      /**
+       * See @ref QListBox::insertStrList()
+       */
+      void insertStrList(const QStrList& list, int index=-1);
+      /**
+       * See @ref QListBox::insertStrList()
+       */
+      void insertStrList(const char ** list, int numStrings=-1, int index=-1);
+      /**
+       * See @ref QListBox::insertItem()
+       */
+      void insertItem(const QString& text, int index=-1) {m_listBox->insertItem(text,index);}
+      /**
+       * Clears both the listbox and the line edit.
+       */
+      void clear();
+      /**
+       * See @ref QListBox::text()
+       */
+      QString text(int index) const { return m_listBox->text(index); }
+      /**
+       * See @ref QListBox::currentItem()
+       */
+      int currentItem() const;
+      /**
+       * See @ref QListBox::currentText()
+       */
+      QString currentText() const  { return m_listBox->currentText(); }
+
+      /**
+       * @returns a stringlist of all items in the listbox
+       */
+      QStringList items() const;
+
+   signals:
+      void changed();
+
+   protected slots:
+      //the names should be self-explaining
+      void moveItemUp();
+      void moveItemDown();
+      void addItem();
+      void removeItem();
+      void enableMoveButtons(int index);
+      void typedSomething(const QString& text);
+
+   private:
+      QListBox *m_listBox;
+      QPushButton *servUpButton, *servDownButton;
+      QPushButton *servNewButton, *servRemoveButton;
+      KLineEdit *m_lineEdit;
+
+      //this is called in both ctors, to avoid code duplication
+      void init( bool checkAtEntering, int buttons,
+                 QWidget *representationWidget = 0L );
+
+   protected:
+      virtual void virtual_hook( int id, void* data );
+   private:
+      //our lovely private d-pointer
+      KEditListBoxPrivate *d;
+};
+
+#endif