#include <gtk/gtk.h>

void opent1(GtkWidget *w, gpointer ud){
    GtkWindow *mainWin = GTK_WINDOW(ud);
    GtkWidget *btn = gtk_button_new_with_label("Dead Button");
    GtkWidget *t1;

    t1 = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_transient_for(GTK_WINDOW(t1), mainWin);
    gtk_window_set_title(GTK_WINDOW(t1), "Transient #1");
    gtk_container_add(GTK_CONTAINER(t1), btn);
    gtk_widget_show_all(t1);
}

void opent2(GtkWidget *w, gpointer ud){
    GtkWindow *mainWin = GTK_WINDOW(ud);
    GtkWidget *lbl = gtk_label_new("This is transient #2");
    GtkWidget *t2;
    t2 = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_transient_for(GTK_WINDOW(t2), mainWin);
    gtk_window_set_title(GTK_WINDOW(t2), "Transient #2");
    gtk_container_add(GTK_CONTAINER(t2), lbl);
    gtk_widget_show_all(t2);
}

int main(int argc, char **argv){
    GtkWidget *mainWin;
    GtkWidget *hbox;
    GtkWidget *btnT1;
    GtkWidget *btnT2;

    gtk_init(&argc, &argv);

    mainWin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(mainWin), "Multiple Transient Windows");
    
    hbox=gtk_hbox_new(FALSE, 1);
    
    btnT1 = gtk_button_new_with_label("Open Transient #1");

    btnT2 = gtk_button_new_with_label("Open Transient #2");

    gtk_box_pack_start(GTK_BOX(hbox), btnT1, FALSE, FALSE, 1);
    gtk_box_pack_start(GTK_BOX(hbox), btnT2, FALSE, FALSE, 1);

    gtk_container_add(GTK_CONTAINER(mainWin), hbox);

    g_signal_connect(G_OBJECT(mainWin), "delete-event", 
                     G_CALLBACK(gtk_main_quit), (gpointer)mainWin);

    g_signal_connect(G_OBJECT(btnT1), "clicked", 
                     G_CALLBACK(opent1), (gpointer)mainWin);

    g_signal_connect(G_OBJECT(btnT2), "clicked", 
                     G_CALLBACK(opent2), (gpointer)mainWin);

    gtk_widget_show_all(mainWin);

    gtk_main();

    return 0;

}