source: trunk/third/gnome-utils/gdialog/msgbox.c @ 18641

/*
 *  msgbox.c -- implements the message box and info box
 *
 *  AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "dialog.h"

#define DIALOG_INFOBOX_TIMEOUT 5000 /* Quit after 5 sec. in --infobox mode */

static gboolean dialog_infobox_quit (gpointer data)
{
        gtk_main_quit ();
        return FALSE; /* Automatically calls g_source_remove */
}

static void cancelled(GtkWidget *w, gpointer *d)
{
        exit(-1);
}

static void okayed(GtkWidget *w, int button, gpointer *d)
{
        exit(0);
}


/*
 * Display a message box. Program will pause and display an "OK" button
 * if the parameter 'pause' is non-zero.
 */
int dialog_msgbox(const char *title, const char *prompt, int height, int width,
                  int pause)
{
        int i, x, y, key = 0;
        WINDOW *dialog;


        if (gnome_mode) {
                GtkWidget *w;

                w = gtk_dialog_new_with_buttons (title, NULL,
                                                GTK_DIALOG_DESTROY_WITH_PARENT,
                                                GTK_STOCK_OK,
                                                GTK_RESPONSE_OK,
                                                NULL);
                gtk_window_set_position (GTK_WINDOW (w), GTK_WIN_POS_CENTER);

                label_autowrap (GTK_DIALOG (w)->vbox, prompt, width);

                gtk_signal_connect(GTK_OBJECT(w), "close",
                        GTK_SIGNAL_FUNC(cancelled), NULL);
                gtk_signal_connect_object (GTK_OBJECT (w), "response",
                              GTK_SIGNAL_FUNC (okayed),NULL);
                gtk_widget_show_all(w);

                /*
                 * For --infobox mode.
                 */
                if (!pause) {
                        if (fork ()) {
                                return 0;
                        } else {
                                g_timeout_add (DIALOG_INFOBOX_TIMEOUT,
                                               dialog_infobox_quit, NULL);
                        }
                }

                gtk_main();
                return 0;
        }
        /* center dialog box on screen */
        x = (COLS - width) / 2;
        y = (LINES - height) / 2;

#ifndef NO_COLOR_CURSES
        if (use_shadow)
                draw_shadow(stdscr, y, x, height, width);
#endif
        dialog = newwin(height, width, y, x);
#ifdef WITH_GPM
        mouse_setbase(x, y);
#endif
        keypad(dialog, TRUE);

        draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);

        if (title != NULL) {
                wattrset(dialog, title_attr);
                wmove(dialog, 0, (width - strlen(title)) / 2 - 1);
                waddch(dialog, ' ');
                waddstr(dialog, title);
                waddch(dialog, ' ');
        }
        wattrset(dialog, dialog_attr);
        print_autowrap(dialog, prompt, width - 2, 1, 2);

        if (pause) {
                wattrset(dialog, border_attr);
                wmove(dialog, height - 3, 0);
                waddch(dialog, ACS_LTEE);
                for (i = 0; i < width - 2; i++)
                        waddch(dialog, ACS_HLINE);
                wattrset(dialog, dialog_attr);
                waddch(dialog, ACS_RTEE);
                wmove(dialog, height - 2, 1);
                for (i = 0; i < width - 2; i++)
                        waddch(dialog, ' ');
#ifdef WITH_GPM
                mouse_mkbutton(height - 2, width / 2 - 4, 6, '\n');
#endif
                print_button(dialog, "  OK  ",
                             height - 2, width / 2 - 4, TRUE);

                wrefresh(dialog);
                while (key != ESC && key != '\n' && key != ' ')
                        key = mouse_wgetch(dialog);
        } else {
                key = '\n';
                wrefresh(dialog);
        }

        delwin(dialog);
        return key == ESC ? -1 : 0;
}