about.c

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/*
 * Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf 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; version 2 of the License.
 *
 * NetSurf 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, see <http://www.gnu.org/licenses/>.
 */

/**
 * \file gtk/about.c
 *
 * Implementation of gtk about dialog.
 */

#include <stdlib.h>
#include <stdint.h>

#include "utils/messages.h"
#include "utils/nsoption.h"
#include "utils/nsurl.h"
#include "netsurf/browser_window.h"
#include "desktop/version.h"

#include "gtk/warn.h"
#include "gtk/compat.h"
#include "gtk/about.h"

#define ABOUT_RESPONSE_ID_LICENCE 1
#define ABOUT_RESPONSE_ID_CREDITS 2


/**
 * Open a url and a browser window/tab
 *
 * \param url_text The text of the url to open
 */
static void about_open(const char *url_text)
{
        nsurl *url;
        nserror ret;
        enum browser_window_create_flags flags = BW_CREATE_HISTORY;

        if (nsoption_bool(show_single_tab) == true) {
                flags |= BW_CREATE_TAB;
        }

        ret = nsurl_create(url_text, &url);
        if (ret == NSERROR_OK) {
                ret = browser_window_create(flags, url, NULL, NULL, NULL);
                nsurl_unref(url);
        }

        if (ret != NSERROR_OK) {
                nsgtk_warning(messages_get_errorcode(ret), 0);
        }
}

/**
 * About dialog response handling.
 *
 * \param dialog The dialog widget
 * \param response_id The response ID from the user clicking.
 * \param user_data The value from the signal connection.
 */
static void
nsgtk_about_dialog_response(GtkDialog *dialog,
                            gint response_id,
                            gpointer user_data)
{
        switch (response_id) {

        case ABOUT_RESPONSE_ID_LICENCE:
                about_open("about:licence");
                break;

        case ABOUT_RESPONSE_ID_CREDITS:
                about_open("about:credits");
                break;
        }

        /* close about dialog */
        gtk_widget_destroy(GTK_WIDGET(dialog));
}

void nsgtk_about_dialog_init(GtkWindow *parent)
{
        GtkWidget *dialog, *vbox, *label;
        gchar *name_string;
        GList *pixbufs;

        /* Create the dialog */
        dialog = gtk_dialog_new_with_buttons("About NetSurf",
                                             parent,
                                             GTK_DIALOG_DESTROY_WITH_PARENT,
                                             "Licence", ABOUT_RESPONSE_ID_LICENCE,
                                             "Credits", ABOUT_RESPONSE_ID_CREDITS,
                                             "Close", GTK_RESPONSE_CANCEL,
                                             NULL, NULL);

        vbox = nsgtk_vbox_new(FALSE, 8);

        gtk_box_pack_start(GTK_BOX(nsgtk_dialog_get_content_area(GTK_DIALOG(dialog))), vbox, TRUE, TRUE, 0);

        /* NetSurf icon */
        pixbufs = gtk_window_get_default_icon_list();
        if (pixbufs != NULL) {
                GtkWidget *image;

                image = nsgtk_image_new_from_pixbuf_icon(GDK_PIXBUF(g_list_nth_data(pixbufs, 0)),
                                                         GTK_ICON_SIZE_DIALOG);
                g_list_free(pixbufs);

                gtk_box_pack_start(GTK_BOX(vbox), image, FALSE, FALSE, 0);
        }

        /* version string */
        label = gtk_label_new (NULL);
        name_string = g_markup_printf_escaped("<span size=\"xx-large\" weight=\"bold\">NetSurf %s</span>", netsurf_version);
        gtk_label_set_markup (GTK_LABEL (label), name_string);
        g_free(name_string);
        gtk_label_set_selectable (GTK_LABEL (label), TRUE);
        gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
        gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);

        label = gtk_label_new(messages_get("AboutDesc"));
        gtk_label_set_selectable(GTK_LABEL (label), TRUE);
        gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
        gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
        gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);

        label = gtk_label_new(messages_get("NetSurfCopyright"));
        gtk_label_set_selectable(GTK_LABEL(label), TRUE);
        gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
        gtk_box_pack_start(GTK_BOX (vbox), label, FALSE, FALSE, 0);

        /* Remove separator */
        nsgtk_dialog_set_has_separator(GTK_DIALOG (dialog), FALSE);

        /* Ensure that the dialog box response is processed. */
        g_signal_connect_swapped(dialog,
                                  "response",
                                  G_CALLBACK(nsgtk_about_dialog_response),
                                  dialog);

        /* Add the label, and show everything we've added to the dialog. */
        gtk_widget_show_all(dialog);
}