/* This file is part of the KDE project
   Copyright (C) 2001 Carsten Pfeiffer <pfeiffer@kde.org>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This program 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
    General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef KONQ_COMBO_H
#define KONQ_COMBO_H

#include <khistorycombobox.h>

class QEvent;
class QKeyEvent;
class QPixmap;
class KCompletion;
class KConfig;

// we use KHistoryCombo _only_ for the up/down keyboard handling, otherwise
// KComboBox would do fine.
class KonqCombo : public KHistoryComboBox
{
    Q_OBJECT

public:
    explicit KonqCombo(QWidget *parent);
    ~KonqCombo();

    // initializes with the completion object and calls loadItems()
    void init(KCompletion *);

    // determines internally if it's temporary or final
    void setURL(const QString &url);

    void setTemporary(const QString &);
    void setTemporary(const QString &, const QPixmap &);
    void clearTemporary(bool makeCurrent = true);
    void removeURL(const QString &url);

    void insertPermanent(const QString &);

    void updatePixmaps();

    void loadItems();
    void saveItems();

    static void setConfig(KConfig *);

    virtual void popup();

    void setPageSecurity(int);

    void insertItem(const QString &text, int index = -1, const QString &title = QString());
    void insertItem(const QPixmap &pixmap, const QString &text, int index = -1, const QString &title = QString());

protected:
    void keyPressEvent(QKeyEvent *) Q_DECL_OVERRIDE;
    bool eventFilter(QObject *, QEvent *) Q_DECL_OVERRIDE;
    void mousePressEvent(QMouseEvent *) Q_DECL_OVERRIDE;
    void mouseMoveEvent(QMouseEvent *) Q_DECL_OVERRIDE;
    void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
    void selectWord(QKeyEvent *e);

Q_SIGNALS:
    /**
      Specialized signal that emits the state of the modifier
      keys along with the actual activated text.
     */
    void activated(const QString &, Qt::KeyboardModifiers);

    /**
      User has clicked on the security lock in the combobar
     */
    void showPageSecurity();

private Q_SLOTS:
    void slotCleared();
    void slotSetIcon(int index);
    void slotActivated(const QString &text);
    void slotTextEdited(const QString &text);
    void slotReturnPressed();
    void slotCompletionModeChanged(KCompletion::CompletionMode);

private:
    void updateItem(const QPixmap &pix, const QString &, int index, const QString &title);
    void saveState();
    void restoreState();
    void applyPermanent();
    QString temporaryItem() const
    {
        return itemText(temporary);
    }
    void removeDuplicates(int index);

    bool m_returnPressed;
    bool m_permanent;
    int m_cursorPos;
    int m_currentIndex;
    QString m_currentText;
    QString m_selectedText;
    QPoint m_dragStart;
    int m_pageSecurity;

    void getStyleOption(QStyleOptionComboBox *combo);

    static KConfig *s_config;
    static const int temporary; // the index of our temporary item
};

#endif // KONQ_COMBO_H
