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

   1 #include <gtk/gtk.h>
   2
   3 static void print_hello(GtkWidget *widget __attribute__((unused)),
   4                         gpointer data __attribute__((unused))) {
   5   g_print("Hello World\n");
   6 }
   7
   8 static void activate(GtkApplication *app,
   9                      gpointer user_data __attribute__((unused))) {
  10
  11   GtkWidget *window = gtk_application_window_new(app);
  12   gtk_window_set_title(GTK_WINDOW(window), "Window");
  13   gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
  14
  15   GtkWidget *button_box = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
  16   gtk_container_add(GTK_CONTAINER(window), button_box);
  17
  18   GtkWidget *button = gtk_button_new_with_label("Hello World");
  19   g_signal_connect(button, "clicked", G_CALLBACK(print_hello), NULL);
  20   g_signal_connect_swapped(button, "clicked", G_CALLBACK(gtk_widget_destroy),
  21                            window);
  22   gtk_container_add(GTK_CONTAINER(button_box), button);
  23
  24   gtk_widget_show_all(window);
  25 }
  26
  27 int main(int argc, char **argv) {
  28
  29   GtkApplication *app =
  30       gtk_application_new("org.gtk.example", G_APPLICATION_DEFAULT_FLAGS);
  31   g_signal_connect(app, "activate", G_CALLBACK(activate), NULL);
  32   int status = g_application_run(G_APPLICATION(app), argc, argv);
  33   g_object_unref(app);
  34
  35   return status;
  36 }