Sylpheed

/*

 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client

 * Copyright (C) 1999-2007 Hiroyuki Yamamoto

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */

#ifdef HAVE_CONFIG_H

#  include "config.h"

#endif

#include "defs.h"

#include <glib.h>

#include <glib/gi18n.h>

#include <gdk/gdkkeysyms.h>

#include <gtk/gtkwidget.h>

#include <gtk/gtkwindow.h>

#include <gtk/gtksignal.h>

#include <gtk/gtkvbox.h>

#include <gtk/gtkhbox.h>

#include <gtk/gtklabel.h>

#include <gtk/gtkhseparator.h>

#include <gtk/gtkscrolledwindow.h>

#include <gtk/gtktextview.h>

#include <gtk/gtkbutton.h>

#include <gtk/gtkstock.h>

#if HAVE_SYS_UTSNAME_H

#  include <sys/utsname.h>

#endif

#include "about.h"

#include "gtkutils.h"

#include "stock_pixmap.h"

#include "prefs_common.h"

#include "utils.h"

#include "version.h"

static GtkWidget *window;

static void about_create(void);

static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event);

static void about_uri_clicked(GtkButton *button, gpointer data);

void about_show(void)

{

        if (!window)

                about_create();

        else

                gtk_window_present(GTK_WINDOW(window));

}

static void about_create(void)

{

        GtkWidget *vbox;

        GtkWidget *pixmap;

        GtkWidget *label;

        GtkWidget *hbox;

        GtkWidget *button;

        GtkWidget *scrolledwin;

        GtkWidget *text;

        GtkWidget *confirm_area;

        GtkWidget *ok_button;

        GtkTextBuffer *buffer;

        GtkTextIter iter;

        GtkStyle *style;

        GdkColormap *cmap;

        GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};

        gboolean success[2];

#if HAVE_SYS_UTSNAME_H

        struct utsname utsbuf;

#endif

        gchar buf[1024];

        gint i;

        window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

        gtk_window_set_title(GTK_WINDOW(window), _("About"));

        gtk_container_set_border_width(GTK_CONTAINER(window), 8);

        gtk_widget_set_size_request(window, 518, 358);

        gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);

        g_signal_connect(G_OBJECT(window), "delete_event",

                         G_CALLBACK(gtk_widget_hide_on_delete), NULL);

        g_signal_connect(G_OBJECT(window), "key_press_event",

                         G_CALLBACK(key_pressed), NULL);

        gtk_widget_realize(window);

        vbox = gtk_vbox_new(FALSE, 6);

        gtk_container_add(GTK_CONTAINER(window), vbox);

        pixmap = stock_pixbuf_widget(window, STOCK_PIXMAP_SYLPHEED_LOGO);

        gtk_box_pack_start(GTK_BOX(vbox), pixmap, FALSE, FALSE, 0);

        label = gtk_label_new("version "VERSION);

        gtk_label_set_selectable(GTK_LABEL(label), TRUE);

        gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);

#if HAVE_SYS_UTSNAME_H

        uname(&utsbuf);

        g_snprintf(buf, sizeof(buf),

                   "GTK+ %d.%d.%d / GLib %d.%d.%d\n"

                   "Operating System: %s %s (%s)",

                   gtk_major_version, gtk_minor_version, gtk_micro_version,

                   glib_major_version, glib_minor_version, glib_micro_version,

                   utsbuf.sysname, utsbuf.release, utsbuf.machine);

#elif defined(G_OS_WIN32)

        g_snprintf(buf, sizeof(buf),

                   "GTK+ %d.%d.%d / GLib %d.%d.%d\n"

                   "Operating System: %s",

                   gtk_major_version, gtk_minor_version, gtk_micro_version,

                   glib_major_version, glib_minor_version, glib_micro_version,

                   "Win32");

#else

        g_snprintf(buf, sizeof(buf),

                   "GTK+ %d.%d.%d / GLib %d.%d.%d\n"

                   "Operating System: unknown",

                   gtk_major_version, gtk_minor_version, gtk_micro_version,

                   glib_major_version, glib_minor_version, glib_micro_version);

#endif

        label = gtk_label_new(buf);

        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);

        g_snprintf(buf, sizeof(buf),

                   "Compiled-in features:%s",

#if USE_THREADS

                   " gthread"

#endif

#if INET6

                   " IPv6"

#endif

#if HAVE_ICONV

                   " iconv"

#endif

#if HAVE_LIBCOMPFACE

                   " compface"

#endif

#if USE_GPGME

                   " GnuPG"

#endif

#if USE_SSL

                   " OpenSSL"

#endif

#if USE_LDAP

                   " LDAP"

#endif

#if USE_JPILOT

                   " JPilot"

#endif

#if USE_GTKSPELL

                   " GtkSpell"

#endif

#if USE_ONIGURUMA

                   " Oniguruma"

#endif

        "");

        label = gtk_label_new(buf);

        gtk_label_set_selectable(GTK_LABEL(label), TRUE);

        gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);

        label = gtk_label_new

                ("Copyright (C) 1999-2007 Hiroyuki Yamamoto <hiro-y@kcn.ne.jp>");

        gtk_label_set_selectable(GTK_LABEL(label), TRUE);

        gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);

        hbox = gtk_hbox_new(FALSE, 0);

        gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);

        button = gtk_button_new_with_label(" "HOMEPAGE_URI" ");

        gtk_box_pack_start(GTK_BOX(hbox), button, TRUE, FALSE, 0);

        gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);

        g_signal_connect(G_OBJECT(button), "clicked",

                         G_CALLBACK(about_uri_clicked), NULL);

        buf[0] = ' ';

        for (i = 1; i <= strlen(HOMEPAGE_URI); i++) buf[i] = '_';

        strcpy(buf + i, " ");

        gtk_label_set_pattern(GTK_LABEL(GTK_BIN(button)->child), buf);

        cmap = gdk_window_get_colormap(window->window);

        gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);

        if (success[0] == TRUE && success[1] == TRUE) {

                gtk_widget_ensure_style(GTK_BIN(button)->child);

                style = gtk_style_copy

                        (gtk_widget_get_style(GTK_BIN(button)->child));

                style->fg[GTK_STATE_NORMAL]   = uri_color[0];

                style->fg[GTK_STATE_ACTIVE]   = uri_color[1];

                style->fg[GTK_STATE_PRELIGHT] = uri_color[0];

                gtk_widget_set_style(GTK_BIN(button)->child, style);

        } else

                g_warning("about_create(): color allocation failed.\n");

        scrolledwin = gtk_scrolled_window_new(NULL, NULL);

        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),

                                       GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);

        gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),

                                            GTK_SHADOW_IN);

        gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);

        text = gtk_text_view_new();

        gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);

        gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);

        gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);

        gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);

        gtk_container_add(GTK_CONTAINER(scrolledwin), text);

        buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));

        gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);

#if USE_GPGME

        gtk_text_buffer_insert(buffer, &iter,

                _("GPGME is copyright 2001 by Werner Koch <dd9jn@gnu.org>\n\n"), -1);

#endif /* USE_GPGME */

        gtk_text_buffer_insert(buffer, &iter,

                _("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, or (at your option) "

                  "any later version.\n\n"), -1);

        gtk_text_buffer_insert(buffer, &iter,

                _("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.\n\n"), -1);

        gtk_text_buffer_insert(buffer, &iter,

                _("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., 59 Temple Place - Suite 330, Boston, "

                  "MA 02111-1307, USA."), -1);

        gtkut_stock_button_set_create(&confirm_area, &ok_button, GTK_STOCK_OK,

                                      NULL, NULL, NULL, NULL);

        gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);

        gtk_widget_grab_default(ok_button);

        gtk_widget_grab_focus(ok_button);

        g_signal_connect_closure

                (G_OBJECT(ok_button), "clicked",

                 g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide_on_delete),

                                     window, NULL), FALSE);

        gtk_widget_show_all(window);

}

static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event)

{

        if (event && event->keyval == GDK_Escape)

                gtk_widget_hide(window);

        return FALSE;

}

static void about_uri_clicked(GtkButton *button, gpointer data)

{

        open_uri(HOMEPAGE_URI, prefs_common.uri_cmd);

}