Cette application vous accueille dans le terminal.
#include <gtk/gtk.h>
/*This is the callback function. It is a handler function
which reacts to the signal. In this case, it will grab the
text input from the entry box and print out a line to the user.*/
static void
on_activate (GtkEntry *entry,
gpointer user_data)
{
const char *name;
name = gtk_entry_get_text (entry);
g_print ("\nHello %s!\n\n", name);
}
static void
activate (GtkApplication *app,
gpointer user_data)
{
GtkWidget *window;
GtkWidget *entry_box;
/*Create a window with a title, a default size,
and a set border width*/
window = gtk_application_window_new (app);
gtk_window_set_title (GTK_WINDOW (window), "What is your name?");
gtk_window_set_default_size (GTK_WINDOW (window), 300, 100);
gtk_container_set_border_width (GTK_CONTAINER (window), 10);
/*Create a new entry box, and add it to the window*/
entry_box = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (window), entry_box);
/*Connecting the activate signal to the callback*/
g_signal_connect (GTK_ENTRY (entry_box), "activate",
G_CALLBACK (on_activate), NULL);
gtk_widget_show_all (window);
}
int
main (int argc, char **argv)
{
GtkApplication *app;
int status;
app = gtk_application_new ("org.gtk.example", G_APPLICATION_FLAGS_NONE);
g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
status = g_application_run (G_APPLICATION (app), argc, argv);
g_object_unref (app);
return status;
}
Dans cet exemple, les éléments suivants sont utilisés :
GtkApplication
GtkWindow
GtkEntry