floating_text_entry.h

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/*
 * Copyright (C) 2014-2016 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2017 Robin Gareus <robin@gareus.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; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#pragma once
 
#include <gtkmm/entry.h>
#include <gtkmm/window.h>
 
class FloatingTextEntry : public Gtk::Window
{
public:
        FloatingTextEntry (Gtk::Window* parent, const std::string& initial_contents);
 
        /* 1st argument to handler is the new text
         * 2nd argument is 0, 1 or -1 to indicate:
         *  - do not move to next editable field
         *  - move to next editable field
         *  - move to previous editable field.
         */
        sigc::signal2<void,std::string,int> use_text;
 
private:
        Gtk::Entry entry;
        bool entry_changed;
 
        /* handlers for Entry events */
        bool entry_focus_out (GdkEventFocus*);
        bool key_press (GdkEventKey*);
        bool key_release (GdkEventKey*);
        void activated ();
        bool button_press (GdkEventButton*);
        void changed ();
        void idle_delete_self ();
        void disconect_signals ();
 
        std::list<sigc::connection> _connections;
 
        /* handlers for window events */
 
        void on_realize ();
        void on_hide ();
};