/** hideshow.c **/
#include <gnome.h>

gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data);
void eventHideShow(GtkWidget *widget,GtkWidget *button);
GtkWidget *createLayout();

int main(int argc,char *argv[])
{
    GtkWidget *app;
    GtkWidget *hideshow;
    GtkWidget *button;
    GtkWidget *box;

    gnome_init("hideshow","1.0",argc,argv);
    app = gnome_app_new("hideshow","Widget Hiding");
    gtk_container_set_border_width(GTK_CONTAINER(app),30);
    gtk_signal_connect(GTK_OBJECT(app),"delete_event",
            GTK_SIGNAL_FUNC(eventDelete),NULL);
    gtk_signal_connect(GTK_OBJECT(app),"destroy",
            GTK_SIGNAL_FUNC(eventDestroy),NULL);


    box = gtk_hbox_new(FALSE,0);
    hideshow = gtk_button_new_with_label("Hide/Show");
    gtk_box_pack_start(GTK_BOX(box),hideshow,
            FALSE,TRUE,0);
    button = gtk_button_new_with_label("Button");
    gtk_signal_connect(GTK_OBJECT(hideshow),"clicked",
            GTK_SIGNAL_FUNC(eventHideShow),button);
    gtk_box_pack_start(GTK_BOX(box),button,
            FALSE,TRUE,0);
    gnome_app_set_contents(GNOME_APP(app),box);
    gtk_widget_show_all(app);

    gtk_main();
    exit(0);
}
void eventHideShow(GtkWidget *widget,GtkWidget *button) {
    if(GTK_WIDGET_VISIBLE(button))
        gtk_widget_hide(button);
    else
        gtk_widget_show(button);
}
gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    return(FALSE);
}
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    gtk_main_quit();
    return(0);
}