automation_track.h

/*
 * Copyright (C) 2018-2019 Alexandros Theodotou <alex at zrythm dot org>
 *
 * This file is part of Zrythm
 *
 * Zrythm is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Zrythm 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Zrythm.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef __GUI_WIDGETS_AUTOMATION_TRACK_H__
#define __GUI_WIDGETS_AUTOMATION_TRACK_H__
 
#include <gtk/gtk.h>
 
#define AUTOMATION_TRACK_WIDGET_TYPE (automation_track_widget_get_type ())
G_DECLARE_FINAL_TYPE (
  AutomationTrackWidget,
  automation_track_widget,
  Z,
  AUTOMATION_TRACK_WIDGET,
  GtkGrid)
 
typedef struct _TrackWidget                     TrackWidget;
typedef struct AutomationTrack                  AutomationTrack;
typedef struct _DigitalMeterWidget              DigitalMeterWidget;
typedef struct Track                            Track;
typedef struct _AutomationPointWidget           AutomationPointWidget;
typedef struct AutomationTrack                  AutomationTrack;
typedef struct _AutomatableSelectorButtonWidget AutomatableSelectorButtonWidget;
 
typedef struct _AutomationTrackWidget
{
  GtkGrid                           parent_instance;
  AutomatableSelectorButtonWidget * selector;
  GtkTreeModel *                    selector_model;
  GtkBox *                          value_box;
  DigitalMeterWidget *              value;
  GtkToggleButton *                 mute_toggle;
 
  AutomationTrack * at;
 
  char * path;
 
  float last_val;
 
  gulong selector_changed_cb_id;
 
  GtkLabel * current_val;
} AutomationTrackWidget;
 
AutomationTrackWidget *
automation_track_widget_new (AutomationTrack * at);
 
void
automation_track_widget_refresh (AutomationTrackWidget * self);
 
void
automation_track_widget_update_current_val (AutomationTrackWidget * self);
 
int
automation_track_get_y_px_from_normalized_val (
  AutomationTrackWidget * self,
  float                   fval);
 
float
automation_track_widget_get_fvalue_at_y (
  AutomationTrackWidget * self,
  double                  _start_y);
 
double
automation_track_widget_get_y (
  AutomationTrackWidget * self,
  AutomationPointWidget * ap);
 
#endif