Re: destroy_signal

[Chris Wareham <chris wareham iosystems co uk>]

Monserrat Seisdedos Nuñez wrote:
> Hello everybody:
>
> I have a window, it has the X button to destroy it.
> but i want the X button to just hide it not to destroy it. In the destroy
> callback i wrote down:
>
> gtk_window_hide(window);
>
> but it seems to destroy the window as well.
>
> Maybe i can mask the destroy signal for this window, can anybody help me?

/* gcc -Wall -g test.c -o test `pkg-config --cflags --libs gtk+-2.0` */

#include <gtk/gtk.h>

static void close_app(GtkWidget *, gpointer);
static gint delete_event(GtkWidget *, GdkEvent *, gpointer);
static void destroy(GtkWidget *, gpointer);

int main(int argc, char *argv[]) {
    GtkWidget *window;
    GtkWidget *button;

    gtk_init(&argc, &argv);

    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

/* set a callback for the "delete_event" signal (generated by the window
   manager when the user clicks the close button on the window frame) */
    g_signal_connect(G_OBJECT(window), "delete_event",
        G_CALLBACK(delete_event), NULL);

/* called if we return FALSE in the "delete_event" callback */
    g_signal_connect(G_OBJECT(window), "destroy",
        G_CALLBACK(destroy), NULL);

    gtk_container_set_border_width(GTK_CONTAINER(window), 10);

    button = gtk_button_new_with_label("Close");
    g_signal_connect(G_OBJECT(button), "clicked",
        G_CALLBACK(close_app), NULL);

    gtk_container_add(GTK_CONTAINER(window), button);

    gtk_widget_show(button);

    gtk_widget_show(window);

    gtk_main();

    return 0;
}

void close_app(GtkWidget *widget, gpointer data) {
    gtk_main_quit();
}

gint delete_event(GtkWidget *widget, GdkEvent *event, gpointer data) {
	g_print("delete_event : attempting to iconify\n");

	gtk_window_iconify(GTK_WINDOW(data));

/* change to FALSE and app will be destroyed with a "delete_event" */

    return TRUE;
}

void destroy(GtkWidget *widget, gpointer data) {
    gtk_main_quit();
}

--
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cwareham btinternet com (home)