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| #include <gtk/gtk.h>
GdkPixbuf *load_released_button_bitmap()
{
GdkPixbuf *src_pixbuf=NULL;
GdkPixbuf *dest_pixbuf=NULL;
src_pixbuf=gdk_pixbuf_new_from_file("./buttons.bmp", NULL);
if (src_pixbuf)
{
dest_pixbuf=gdk_pixbuf_new_subpixbuf(src_pixbuf, 171, 0, 30, 30);
g_object_unref(src_pixbuf);
}
else
printf("Chargement de l'image echoué.\n");
return dest_pixbuf;
}
GdkPixbuf *load_pressed_button_bitmap()
{
GdkPixbuf *src_pixbuf=NULL;
GdkPixbuf *dest_pixbuf=NULL;
src_pixbuf=gdk_pixbuf_new_from_file("./buttons.bmp", NULL);
if (src_pixbuf)
{
dest_pixbuf=gdk_pixbuf_new_subpixbuf(src_pixbuf, 201, 0, 30, 30);
g_object_unref(src_pixbuf);
}
else
printf("Chargement de l'image echoué.\n");
return dest_pixbuf;
}
void CMouse_on_button(GtkButton *bouton, GdkPixbuf *pressed_image_button)
{
gtk_button_set_image(bouton, gtk_image_new_from_pixbuf(pressed_image_button));
}
void CMouse_out_button(GtkButton *bouton, GdkPixbuf *released_image_button)
{
gtk_button_set_image(bouton,gtk_image_new_from_pixbuf(released_image_button));
}
void init_window()
{
GtkWidget *fenetre_principale=NULL;
GtkWidget *bouton=NULL;
GdkPixbuf *pressed_image_button=NULL;
GdkPixbuf *released_image_button=NULL;
// Chargement des bitmaps du bouton
pressed_image_button=load_pressed_button_bitmap();
released_image_button=load_released_button_bitmap();
/* création de la fenêtre principale */
fenetre_principale=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(fenetre_principale), "test bitmap");
// Création d'un bouton graphique
bouton=gtk_button_new();
gtk_button_set_image(GTK_BUTTON(bouton),
gtk_image_new_from_pixbuf(released_image_button));
gtk_container_add(GTK_CONTAINER(fenetre_principale), bouton);
/* Affectation des signaux lors du clic et relaché sur le bouton pour changer
l'image du bouton.*/
g_signal_connect(G_OBJECT(bouton), "pressed",
(GCallback)CMouse_on_button, pressed_image_button);
g_signal_connect(G_OBJECT(bouton), "released",
(GCallback)CMouse_out_button, released_image_button);
// Affection des signaux pour fermeture de l'application
g_signal_connect(G_OBJECT(fenetre_principale), "destroy",
(GCallback)gtk_main_quit, NULL);
// Affichage de la fenêtre
gtk_widget_show_all(fenetre_principale);
}
gint main(gint argc,gchar **argv)
{
gtk_init(&argc, &argv);
init_window();
gtk_main();
return 0;
} |
