bar_slider.h

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// SPDX-FileCopyrightText: © 2019-2022 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __GUI_WIDGETS_BAR_SLIDER_H__
#define __GUI_WIDGETS_BAR_SLIDER_H__
 
#include "utils/types.h"
#include "utils/ui.h"
 
#include <gtk/gtk.h>
 
#define BAR_SLIDER_WIDGET_TYPE (bar_slider_widget_get_type ())
G_DECLARE_FINAL_TYPE (
  BarSliderWidget,
  bar_slider_widget,
  Z,
  BAR_SLIDER_WIDGET,
  GtkWidget)
 
typedef struct Port Port;
 
typedef enum BarSliderType
{
  BAR_SLIDER_TYPE_NORMAL,
 
  BAR_SLIDER_TYPE_PORT_MULTIPLIER,
 
  BAR_SLIDER_TYPE_CONTROL_PORT,
} BarSliderType;
 
typedef struct _BarSliderWidget
{
  GtkWidget parent_instance;
 
  int decimals;
 
  char suffix[600];
 
  char prefix[600];
 
  float max;
 
  float min;
 
  float zero;
 
  GenericFloatGetter getter;
 
  GenericFloatGetter snapped_getter;
 
  GenericFloatSetter setter;
 
  GenericFloatSetter init_setter;
 
  GenericFloatSetter end_setter;
 
  Port * port;
 
  int width;
 
  int height;
 
  void * object;
 
  GtkGestureDrag * drag;
 
  double last_x;
 
  double start_x;
 
  UiDragMode mode;
 
  int hover;
 
  BarSliderType type;
 
  int show_value;
 
  int editable;
 
  int convert_to_percentage;
 
  PangoLayout * layout;
 
  float last_real_val;
  int   last_width_extent;
  int   last_height_extent;
  char  last_extent_str[3000];
 
} BarSliderWidget;
 
BarSliderWidget *
_bar_slider_widget_new (
  BarSliderType type,
  float (*get_val) (void *),
  void (*set_val) (void *, float),
  void *       object,
  float        min,
  float        max,
  int          w,
  int          h,
  float        zero,
  int          convert_to_percentage,
  int          decimals,
  UiDragMode   mode,
  const char * prefix,
  const char * suffix);
 
#define bar_slider_widget_new( \
  getter, setter, obj, min, max, w, h, zero, dec, mode, suffix) \
  _bar_slider_widget_new ( \
    BAR_SLIDER_TYPE_NORMAL, (float (*) (void *)) getter, \
    (void (*) (void *, float)) setter, (void *) obj, min, max, w, h, zero, 0, \
    dec, mode, "", suffix)
 
#define bar_slider_widget_new_port_connection(conn, prefix) \
  _bar_slider_widget_new ( \
    BAR_SLIDER_TYPE_PORT_MULTIPLIER, NULL, NULL, (void *) conn, 0.f, 1.f, 160, \
    20, 0.f, 1, 0, UI_DRAG_MODE_CURSOR, prefix, " %")
 
#endif