git.scottworley.com Git - batteryviewer/blob - chart.h

   1 #ifndef BV_CHART_H
   2 #define BV_CHART_H
   3
   4 /*
   5  * h/t https://ptomato.name/advanced-gtk-techniques/html/custom-container.html
   6  * for examples of how to make GTK widgets
   7  */
   8
   9 #include <glib-object.h>
  10 #include <gtk/gtk.h>
  11
  12 G_BEGIN_DECLS
  13
  14 #define BV_CHART_TYPE (bv_chart_get_type())
  15 #define BV_CHART(obj)                                                          \
  16   (G_TYPE_CHECK_INSTANCE_CAST((obj), BV_CHART_TYPE, BVChart))
  17 #define BV_CHART_CLASS(klass)                                                  \
  18   (G_TYPE_CHECK_CLASS_CAST((klass), BV_CHART_TYPE, BVChartClass))
  19 #define BV_IS_CHART(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), BV_CHART_TYPE))
  20 #define BV_IS_CHART_CLASS(klass)                                               \
  21   (G_TYPE_CHECK_CLASS_TYPE((klass), BV_CHART_TYPE))
  22
  23 typedef struct _BVChart BVChart;
  24 typedef struct _BVChartClass BVChartClass;
  25
  26 struct _BVChart {
  27   GtkDrawingArea parent_instance;
  28 };
  29
  30 struct _BVChartClass {
  31   GtkDrawingAreaClass parent_class;
  32 };
  33
  34 GType bv_chart_get_type(void) G_GNUC_CONST;
  35 GtkWidget *bv_chart_new(void);
  36 void bv_chart_add_point(BVChart *chart, float x, float y);
  37
  38 G_END_DECLS
  39
  40 #endif /* BV_CHART_H */