GTK+ Forums

#include <stdlib.h>
#include <gtk/gtk.h>

GtkWidget *win;
GtkWidget *vbox;
GtkWidget *button;

static void helloDialog (GtkWidget *wid, GtkWidget *win, gpointer user_data)
{
    char* message = "Shit happens\nalmost all the time.";
    GtkWidget *dialog, *label, *content_area;
    dialog = gtk_dialog_new_with_buttons ("May be error",
                                          GTK_WINDOW(win),
                                          GTK_DIALOG_DESTROY_WITH_PARENT|GTK_MESSAGE_ERROR,
                                          "Maybe", 1,
                                          "Possible", 2,
                                          NULL);

    gtk_widget_set_size_request(dialog, 350, 200);
    gtk_dialog_set_default_response(GTK_DIALOG(dialog), 2);
    content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
    label = gtk_label_new(message);
    g_signal_connect_swapped(dialog, "response", G_CALLBACK(gtk_widget_destroy), dialog);
    gtk_container_add(GTK_CONTAINER(content_area), label);
    gtk_widget_show_all(dialog);
}

int main (int argc, char *argv[])
{
    /* Initialize GTK+ */
    g_log_set_handler("Gtk", G_LOG_LEVEL_WARNING, (GLogFunc) gtk_false, NULL);
    gtk_init(&argc, &argv);
    g_log_set_handler("Gtk", G_LOG_LEVEL_WARNING, g_log_default_handler, NULL);

    /* Create the main window */
    win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_container_set_border_width(GTK_CONTAINER(win), 8);
    gtk_window_set_title(GTK_WINDOW(win), "Hello");
    gtk_window_set_position(GTK_WINDOW(win), GTK_WIN_POS_CENTER);
    gtk_widget_realize(win);
    g_signal_connect(win, "destroy", gtk_main_quit, NULL);

    /* Create a vertical box with buttons */
    vbox = gtk_vbox_new(TRUE, 6);
    gtk_container_add(GTK_CONTAINER (win), vbox);

    button = gtk_button_new_from_stock(GTK_STOCK_DIALOG_INFO);
    g_signal_connect(G_OBJECT (button), "clicked", G_CALLBACK(helloDialog), (gpointer)win);
    gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, TRUE, 0);

    button = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
    g_signal_connect(button, "clicked", gtk_main_quit, NULL);
    gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, TRUE, 0);

    /* Enter the main loop */
    gtk_widget_show_all(win);
    gtk_main();
    return 0;
}

static void helloDialog (GtkWidget *wid, GtkWidget *win)
{
    char* message = "Things happen\nalmost all the time.";
    GtkWidget *dialog;

    dialog = gtk_message_dialog_new(
        GTK_WINDOW(win),
        GTK_DIALOG_DESTROY_WITH_PARENT|GTK_DIALOG_MODAL,
        GTK_MESSAGE_ERROR,
        GTK_BUTTONS_NONE,
        message
    );
    gtk_dialog_add_buttons(GTK_DIALOG(dialog),
        "Maybe", 1,
        "Possible", 2,
        NULL
    );

    gtk_widget_set_size_request(dialog, 350, 200);
    gtk_dialog_set_default_response(GTK_DIALOG(dialog), 2);
    g_signal_connect_swapped(dialog, "response", G_CALLBACK(gtk_widget_destroy), dialog);
    gtk_widget_show_all(dialog);
}

    dialog = gtk_message_dialog_new
             (GTK_WINDOW(win),
              GTK_DIALOG_DESTROY_WITH_PARENT,
              GTK_MESSAGE_ERROR,
              GTK_BUTTONS_NONE,
              "%s", message);