Track min & max coordinates

[batteryviewer] / batteryviewer.c

#include "chart.h"
#include <gtk/gtk.h>

static void activate(GtkApplication *app,
                     gpointer user_data __attribute__((unused))) {

  GtkWidget *window = gtk_application_window_new(app);
  gtk_window_set_title(GTK_WINDOW(window), "Window");
  gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);

  GtkWidget *chart_box = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
  gtk_container_add(GTK_CONTAINER(window), chart_box);

  GtkWidget *chart = bv_chart_new();
  gtk_container_add(GTK_CONTAINER(chart_box), chart);

  gtk_widget_show_all(window);
}

int main(int argc, char **argv) {

  GtkApplication *app =
      gtk_application_new("org.gtk.example", G_APPLICATION_DEFAULT_FLAGS);
  g_signal_connect(app, "activate", G_CALLBACK(activate), NULL);
  int status = g_application_run(G_APPLICATION(app), argc, argv);
  g_object_unref(app);

  return status;
}