gtk: 4 → 3 :(

[batteryviewer] / batteryviewer.c

diff --git a/batteryviewer.c b/batteryviewer.c
index 4a1a8509076c4e0225b104c21a31b52a09886ac2..6c4304cd643bde66f9dee732497724adc25c5308 100644 (file)
--- a/batteryviewer.c
+++ b/batteryviewer.c
@@ -1,22 +1,30 @@
 #include <gtk/gtk.h>
 
-static void print_hello(GtkWidget *widget, gpointer data) {
+static void print_hello(GtkWidget *widget __attribute__((unused)),
+                        gpointer data __attribute__((unused))) {
   g_print("Hello World\n");
 }
 
-static void activate(GtkApplication *app, gpointer user_data) {
+static void activate(GtkApplication *app,
+                     gpointer user_data __attribute__((unused))) {
   GtkWidget *window;
   GtkWidget *button;
+  GtkWidget *button_box;
 
   window = gtk_application_window_new(app);
   gtk_window_set_title(GTK_WINDOW(window), "Window");
   gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
 
+  button_box = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
+  gtk_container_add(GTK_CONTAINER(window), button_box);
+
   button = gtk_button_new_with_label("Hello World");
   g_signal_connect(button, "clicked", G_CALLBACK(print_hello), NULL);
-  gtk_window_set_child(GTK_WINDOW(window), button);
+  g_signal_connect_swapped(button, "clicked", G_CALLBACK(gtk_widget_destroy),
+                           window);
+  gtk_container_add(GTK_CONTAINER(button_box), button);
 
-  gtk_window_present(GTK_WINDOW(window));
+  gtk_widget_show_all(window);
 }
 
 int main(int argc, char **argv) {