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   GtkWidget *window;
  11   GtkWidget *button;
  12
  13   window = gtk_application_window_new(app);
  14   gtk_window_set_title(GTK_WINDOW(window), "Window");
  15   gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
  16
  17   button = gtk_button_new_with_label("Hello World");
  18   g_signal_connect(button, "clicked", G_CALLBACK(print_hello), NULL);
  19   gtk_window_set_child(GTK_WINDOW(window), button);
  20
  21   gtk_window_present(GTK_WINDOW(window));
  22 }
  23
  24 int main(int argc, char **argv) {
  25   GtkApplication *app;
  26   int status;
  27
  28   app = gtk_application_new("org.gtk.example", G_APPLICATION_DEFAULT_FLAGS);
  29   g_signal_connect(app, "activate", G_CALLBACK(activate), NULL);
  30   status = g_application_run(G_APPLICATION(app), argc, argv);
  31   g_object_unref(app);
  32
  33   return status;
  34 }