/*
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *
 *  RawTherapee 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  Class created by Jean-Christophe FRISCH, aka 'Hombre'
 */
#ifndef _POPUPCOMMON_
#define _POPUPCOMMON_

#include <glibmm/ustring.h>
#include <gtkmm/enums.h>
#include <sigc++/signal.h>
#include <vector>

namespace Gtk {
class Grid;
class Menu;
class Button;
class ImageMenuItem;
} // namespace Gtk

typedef struct _GdkEventButton GdkEventButton;

class RTImage;

class PopUpCommon {

public:
    typedef sigc::signal<void, int> type_signal_changed;
    typedef sigc::signal<void, int> type_signal_item_selected;
    type_signal_changed signal_changed();
    type_signal_item_selected signal_item_selected();
    Gtk::Grid *buttonGroup; // this is the widget to be packed

    PopUpCommon(Gtk::Button *button, const Glib::ustring &label = "");
    virtual ~PopUpCommon();
    bool addEntry(const Glib::ustring &fileName, const Glib::ustring &label);
    int getEntryCount() const;
    bool setSelected(int entryNum);
    int getSelected() const;
    void setButtonHint();
    void show();
    void set_tooltip_text(const Glib::ustring &text);
    void setItemSensitivity(int i, bool isSensitive);

    void setRelief(Gtk::ReliefStyle s);

private:
    type_signal_changed messageChanged;
    type_signal_item_selected messageItemSelected;

    std::vector<Glib::ustring> imageFilenames;
    std::vector<const RTImage *> images;
    Glib::ustring buttonHint;
    RTImage *buttonImage;
    Gtk::Grid *imageContainer;
    Gtk::Menu *menu;
    Gtk::Button *button;
    Gtk::Button *arrowButton;
    int selected;
    bool hasMenu;

    void showMenu(GdkEventButton *event);

protected:
    virtual int posToIndex(int p) const { return p; }
    virtual int indexToPos(int i) const { return i; }

    void entrySelected(int i);
};

inline PopUpCommon::type_signal_changed PopUpCommon::signal_changed()
{
    return messageChanged;
}

inline PopUpCommon::type_signal_item_selected
PopUpCommon::signal_item_selected()
{
    return messageItemSelected;
}

inline int PopUpCommon::getEntryCount() const { return images.size(); }

inline int PopUpCommon::getSelected() const { return posToIndex(selected); }

#endif
