barcontroller.h

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/*
 * Copyright (C) 2004 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_BAR_CONTROLLER_H_
#define _WIDGETS_BAR_CONTROLLER_H_
 
#include <ytkmm/alignment.h>
#include <cairo.h>
 
#include "widgets/binding_proxy.h"
#include "widgets/slider_controller.h"
#include "widgets/visibility.h"
 
namespace ArdourWidgets {
 
class LIBWIDGETS_API BarController : public Gtk::Alignment
{
public:
        BarController (Gtk::Adjustment& adj, std::shared_ptr<PBD::Controllable>);
 
        virtual ~BarController ();
 
        void set_sensitive (bool yn);
        void set_digits (guint d) { _slider.get_spin_button().set_digits (d); }
 
        ArdourFader::Tweaks tweaks() const { return _slider.tweaks (); }
        void set_tweaks (ArdourFader::Tweaks t) { _slider.set_tweaks (t);}
 
        sigc::signal<void,int> StartGesture;
        sigc::signal<void,int> StopGesture;
 
        /* export this to allow direct connection to button events */
        Gtk::Widget& event_widget() { return _slider; }
 
        sigc::signal<void, bool> SpinnerActive;
 
protected:
        bool on_button_press_event (GdkEventButton*);
        bool on_button_release_event (GdkEventButton*);
        void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
 
        virtual std::string get_label (double& /*x*/) {
                return "";
        }
 
private:
        HSliderController _slider;
        bool entry_focus_out (GdkEventFocus*);
        void entry_activated ();
        void before_expose ();
 
        gint switch_to_bar ();
        gint switch_to_spinner ();
 
        bool _switching;
        bool _switch_on_release;
 
        void passtrhu_gesture_start (int state) { StartGesture (state); }
        void passtrhu_gesture_stop  (int state) { StopGesture (state); }
};
 
 
}; /* namespace */
 
#endif // __gtkmm2ext_bar_controller_h__