fader.h

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// SPDX-FileCopyrightText: © 2018-2023 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __GUI_WIDGETS_FADER_H__
#define __GUI_WIDGETS_FADER_H__
 
#include "gtk_wrapper.h"
 
#define FADER_WIDGET_TYPE (fader_widget_get_type ())
G_DECLARE_FINAL_TYPE (FaderWidget, fader_widget, Z, FADER_WIDGET, GtkWidget)
 
typedef struct Fader Fader;
 
typedef struct _FaderWidget
{
  GtkWidget        parent_instance;
  GtkGestureDrag * drag;
  Fader *          fader;
  double           last_x;
  double           last_y;
  bool             hover;
  bool             dragging;
  GdkRGBA          end_color;
 
  float amp_at_start;
 
  PangoLayout * layout;
 
  GtkPopoverMenu * popover_menu;
 
  /* --- accessibility --- */
 
  double last_reported_amp;
} FaderWidget;
 
void
fader_widget_setup (FaderWidget * self, Fader * fader, int height);
 
#endif