git.scottworley.com Git - batteryviewer/blob - batteryviewer.c

   1 #include "chart.h"
   2 #include <gtk/gtk.h>
   3
   4 struct State {
   5   BVChart *voltage;
   6   BVChart *current;
   7 };
   8
   9 static gboolean collect_data(struct State *state __attribute__((unused))) {
  10   return TRUE;
  11 }
  12
  13 static void activate(GtkApplication *app, gpointer user_data) {
  14
  15   GtkWidget *window = gtk_application_window_new(app);
  16   gtk_window_set_title(GTK_WINDOW(window), "BatteryViewer");
  17   gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
  18
  19   GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 1);
  20   gtk_container_add(GTK_CONTAINER(window), box);
  21
  22   struct State *state = (struct State *)user_data;
  23   state->voltage = BV_CHART(bv_chart_new());
  24   bv_chart_add_point(state->voltage, 0.0, 0.0);
  25   bv_chart_add_point(state->voltage, 1.0, 1.0);
  26   bv_chart_add_point(state->voltage, 3.0, 2.0);
  27   gboolean expand = TRUE;
  28   gboolean fill = TRUE;
  29   guint padding = 0;
  30   gtk_box_pack_start(GTK_BOX(box), GTK_WIDGET(state->voltage), expand, fill,
  31                      padding);
  32
  33   state->current = BV_CHART(bv_chart_new());
  34   bv_chart_add_point(state->current, 0.0, 1.0);
  35   bv_chart_add_point(state->current, 1.0, 0.0);
  36   gtk_box_pack_end(GTK_BOX(box), GTK_WIDGET(state->current), expand, fill,
  37                    padding);
  38
  39   gtk_widget_show_all(window);
  40
  41   g_timeout_add_seconds(1, (GSourceFunc)collect_data, user_data);
  42 }
  43
  44 int main(int argc, char **argv) {
  45   struct State state;
  46
  47   GtkApplication *app = gtk_application_new("com.scottworley.batteryviewer",
  48                                             G_APPLICATION_DEFAULT_FLAGS);
  49   g_signal_connect(app, "activate", G_CALLBACK(activate), &state);
  50   int status = g_application_run(G_APPLICATION(app), argc, argv);
  51   g_object_unref(app);
  52
  53   return status;
  54 }