learning-GTK/example-4.c
Vincent Batts ddfb728687
*: add source from drawing example and using gtk builder
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
2024-04-02 12:53:31 -04:00

59 lines
1.5 KiB
C

#include <gtk/gtk.h>
#include <glib/gstdio.h>
static void
print_hello (GtkWidget *widget,
gpointer data)
{
g_print ("Hello World\n");
}
static void
quit_cb (GtkWindow *window)
{
gtk_window_close (window);
}
static void
activate (GtkApplication *app,
gpointer user_data)
{
/* Construct a GtkBuilder instance and load our UI description */
GtkBuilder *builder = gtk_builder_new ();
gtk_builder_add_from_file (builder, "builder.ui", NULL);
/* Connect signal handlers to the constructed widgets. */
GObject *window = gtk_builder_get_object (builder, "window");
gtk_window_set_application (GTK_WINDOW (window), app);
GObject *button = gtk_builder_get_object (builder, "button1");
g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL);
button = gtk_builder_get_object (builder, "button2");
g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL);
button = gtk_builder_get_object (builder, "quit");
g_signal_connect_swapped (button, "clicked", G_CALLBACK (quit_cb), window);
gtk_widget_set_visible (GTK_WIDGET (window), TRUE);
/* We do not need the builder any more */
g_object_unref (builder);
}
int
main (int argc,
char *argv[])
{
#ifdef GTK_SRCDIR
g_chdir (GTK_SRCDIR);
#endif
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;
}