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[batteryviewer] / chart.h

#ifndef BV_CHART_H
#define BV_CHART_H

/*
 * h/t https://ptomato.name/advanced-gtk-techniques/html/custom-container.html
 * for examples of how to make GTK widgets
 */

#include <glib-object.h>
#include <gtk/gtk.h>

G_BEGIN_DECLS

#define BV_CHART_TYPE (bv_chart_get_type())
#define BV_CHART(obj)                                                          \
  (G_TYPE_CHECK_INSTANCE_CAST((obj), BV_CHART_TYPE, BVChart))
#define BV_CHART_CLASS(klass)                                                  \
  (G_TYPE_CHECK_CLASS_CAST((klass), BV_CHART_TYPE, BVChartClass))
#define BV_IS_CHART(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), BV_CHART_TYPE))
#define BV_IS_CHART_CLASS(klass)                                               \
  (G_TYPE_CHECK_CLASS_TYPE((klass), BV_CHART_TYPE))

typedef struct _BVChart BVChart;
typedef struct _BVChartClass BVChartClass;

struct _BVChart {
  GtkDrawingArea parent_instance;
};

struct _BVChartClass {
  GtkDrawingAreaClass parent_class;
};

GType bv_chart_get_type(void) G_GNUC_CONST;
GtkWidget *bv_chart_new(void);
void bv_chart_add_point(BVChart *chart, float x, float y);

G_END_DECLS

#endif /* BV_CHART_H */