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#include <gtk/gtk.h>
static int counter = 0;
void greet(GtkWidget* widget, gpointer data)
{
// printf equivalent in GTK+
g_print("Welcome to GTK\n");
g_print("%s clicked %d times\n",
(char*)data, ++counter);
}
void destroy(GtkWidget* widget, gpointer data)
{
gtk_main_quit();
}
int main(int argc, char* argv[])
{
GtkWidget* window;
GtkWidget* button;
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect(window, "destroy",
G_CALLBACK(destroy), NULL);
/* Let's set the border width of the window to 20.
* You may play with the value and see the
* difference. */
gtk_container_set_border_width(GTK_CONTAINER(window), 20);
button = gtk_button_new_with_label("Click Me!");
g_signal_connect(GTK_OBJECT(button),
"clicked", G_CALLBACK(greet),
"button");
gtk_container_add(GTK_CONTAINER(window), button);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
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