stateful_button.h

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/*
 * Copyright (C) 2005 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.
 */
 
#ifndef _WIDGETS_STATEFUL_BUTTON_H_
#define _WIDGETS_STATEFUL_BUTTON_H_
 
#include <vector>
 
#include <gtkmm/togglebutton.h>
 
#include "widgets/visibility.h"
 
namespace ArdourWidgets {
 
class LIBWIDGETS_API StateButton
{
public:
        StateButton();
        virtual ~StateButton() {}
 
        void set_visual_state (int);
        int  get_visual_state () { return visual_state; }
        void set_self_managed (bool yn) { _self_managed = yn; }
        virtual void set_widget_name (const std::string& name) = 0;
 
protected:
        int  visual_state;
        bool _self_managed;
        bool _is_realized;
        bool style_changing;
        Gtk::StateType state_before_prelight;
        bool is_toggle;
 
        virtual std::string  get_widget_name() const = 0;
        virtual Gtk::Widget* get_child_widget () = 0;
 
        void avoid_prelight_on_style_changed (const Glib::RefPtr<Gtk::Style>& style, GtkWidget* widget);
        void avoid_prelight_on_state_changed (Gtk::StateType old_state, GtkWidget* widget);
};
 
 
class LIBWIDGETS_API StatefulToggleButton : public StateButton, public Gtk::ToggleButton
{
public:
        StatefulToggleButton();
        explicit StatefulToggleButton(const std::string &label);
        ~StatefulToggleButton() {}
        void set_widget_name (const std::string& name);
 
protected:
        void on_realize ();
        void on_toggled ();
        void on_style_changed (const Glib::RefPtr<Gtk::Style>& style);
        void on_state_changed (Gtk::StateType old_state);
 
        Gtk::Widget* get_child_widget ();
        std::string get_widget_name() const { return get_name(); }
};
 
class LIBWIDGETS_API StatefulButton : public StateButton, public Gtk::Button
{
public:
        StatefulButton();
        explicit StatefulButton(const std::string &label);
        virtual ~StatefulButton() {}
        void set_widget_name (const std::string& name);
 
protected:
        void on_realize ();
        void on_style_changed (const Glib::RefPtr<Gtk::Style>& style);
        void on_state_changed (Gtk::StateType old_state);
 
        Gtk::Widget* get_child_widget ();
        std::string get_widget_name() const { return get_name(); }
};
 
} /* end namespace */
 
#endif