src/gtk/about.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtkwidget.h>
  30 #include <gtk/gtkwindow.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtkhbox.h>
  34 #include <gtk/gtklabel.h>
  35 #include <gtk/gtkhseparator.h>
  36 #include <gtk/gtkscrolledwindow.h>
  37 #include <gtk/gtktext.h>
  38 #include <gtk/gtkbutton.h>
  39 #if HAVE_SYS_UTSNAME_H
  40 #  include <sys/utsname.h>
  41 #endif
  42
  43 #include "about.h"
  44 #include "gtkutils.h"
  45 #include "stock_pixmap.h"
  46 #include "prefs_common.h"
  47 #include "utils.h"
  48 #include "version.h"
  49 #include "authors.h"
  50 #include "codeconv.h"
  51 #include "menu.h"
  52 #include "textview.h"
  53
  54 static GtkWidget *window;
  55 static gchar* uri_hover = NULL;
  56 static GtkTextIter uri_hover_start_iter;
  57 static GtkTextIter uri_hover_end_iter;
  58 static GdkCursor *hand_cursor = NULL;
  59 static GdkCursor *text_cursor = NULL;
  60
  61 static void about_create(void);
  62 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event);
  63 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
  64                                         GdkEvent *event, GtkTextIter *iter,
  65                                         GtkWidget *textview);
  66 static void about_open_link_cb(GtkWidget *widget, guint action, void *data);
  67 static void about_copy_link_cb(GtkWidget *widget, guint action, void *data);
  68 static gboolean about_textview_motion_notify(GtkWidget *widget,
  69                                         GdkEventMotion *event,
  70                                         GtkWidget *textview);
  71 static gboolean about_textview_leave_notify(GtkWidget *widget,
  72                                         GdkEventCrossing *event,
  73                                         GtkWidget *textview);
  74 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y);
  75
  76 static GtkItemFactoryEntry textview_link_popup_entries[] =
  77 {
  78         {N_("/_Open with Web browser"), NULL, about_open_link_cb, 0, NULL},
  79         {N_("/Copy this _link"),        NULL, about_copy_link_cb, 0, NULL},
  80 };
  81
  82 static GtkWidget *link_popupmenu;
  83
  84
  85 void about_show(void)
  86 {
  87         if (!window)
  88                 about_create();
  89         else
  90                 gtk_window_present(GTK_WINDOW(window));
  91 }
  92
  93 static void about_create(void)
  94 {
  95         GtkWidget *vbox1;
  96         GtkWidget *image;
  97         GtkWidget *vbox2;
  98         GtkWidget *label;
  99         GtkWidget *button;
 100         GtkWidget *scrolledwin;
 101         GtkWidget *notebook;
 102         GtkWidget *hbox;
 103         char *markup;
 104         GtkWidget *text;
 105         GtkWidget *confirm_area;
 106         GtkWidget *close_button;
 107         GtkTextBuffer *buffer;
 108         GtkTextIter iter;
 109         GtkTextTag *tag;
 110         GdkColor uri_color;
 111         GdkPixbuf *active_pixbuf;
 112         GdkPixbuf *inactive_pixbuf;
 113         static GdkGeometry geometry;
 114 #if HAVE_SYS_UTSNAME_H
 115         struct utsname utsbuf;
 116 #endif
 117         gchar buf[1024];
 118         gint i;
 119
 120         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 121         gtk_window_set_title(GTK_WINDOW(window), _("About Claws Mail"));
 122         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 123         gtk_widget_set_size_request(window, -1, -1);
 124         g_signal_connect(G_OBJECT(window), "delete_event",
 125                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 126         g_signal_connect(G_OBJECT(window), "key_press_event",
 127                          G_CALLBACK(key_pressed), NULL);
 128         gtk_widget_realize(window);
 129
 130         if (!geometry.min_width) {
 131                 geometry.min_width = 420;
 132                 geometry.min_height = 480;
 133         }
 134
 135         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 136                                       GDK_HINT_MIN_SIZE);
 137
 138
 139         vbox1 = gtk_vbox_new(FALSE, 8);
 140         gtk_container_add(GTK_CONTAINER(window), vbox1);
 141
 142         hbox = gtk_hbox_new(FALSE, 0);
 143         gtk_widget_show (hbox);
 144         gtk_box_pack_start(GTK_BOX(vbox1), hbox, TRUE, TRUE, 0);
 145
 146         image = stock_pixmap_widget(window, STOCK_PIXMAP_CLAWS_MAIL_LOGO);
 147         gtk_box_pack_start(GTK_BOX(hbox), image, TRUE, TRUE, 0);
 148
 149         vbox2 = gtk_vbox_new (FALSE, 0);
 150         gtk_box_pack_start(GTK_BOX(hbox), vbox2, TRUE, TRUE, 0);
 151
 152         label = gtk_label_new("");
 153         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 154         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 155         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 156         markup = g_markup_printf_escaped
 157                 ("<span weight=\"bold\" size=\"xx-large\">Claws Mail</span>\nversion %s",
 158                  VERSION);
 159         gtk_label_set_markup(GTK_LABEL(label), markup);
 160         g_free(markup);
 161
 162         button = gtkut_get_link_btn(window, HOMEPAGE_URI, " "HOMEPAGE_URI" ");
 163         gtk_box_pack_start(GTK_BOX(vbox2), button, FALSE, FALSE, 0);
 164
 165         label = gtk_label_new
 166                 (_("Copyright (C) 1999-2006 Hiroyuki Yamamoto <hiro-y@kcn.ne.jp>\n"
 167                  "and the Claws Mail team"));
 168         gtk_misc_set_padding(GTK_MISC(label), 0, 12);
 169         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 170         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 171         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 172         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 173
 174         notebook = gtk_notebook_new();
 175         gtk_widget_set_size_request(notebook, -1, 220);
 176         gtk_widget_show(notebook);
 177
 178         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 179         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 180                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 181         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 182                                             GTK_SHADOW_IN);
 183
 184         text = gtk_text_view_new();
 185         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 186         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 187         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 188         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 189         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 190         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 191         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 192
 193         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 194         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 195
 196         /* textview link style (based upon main prefs) */
 197         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 198                                 (GdkColor*)&uri_color);
 199         tag = gtk_text_buffer_create_tag(buffer, "link",
 200                                 "foreground-gdk", &uri_color,
 201                                 "wrap-mode", GTK_WRAP_NONE,
 202                                 NULL);
 203         gtk_text_buffer_create_tag(buffer, "link-hover",
 204                                 "foreground-gdk", &uri_color,
 205                                 "underline", PANGO_UNDERLINE_SINGLE,
 206                                 NULL);
 207
 208         gtk_text_buffer_insert(buffer, &iter, _(
 209                                 "Claws Mail is a lightweight, fast and "
 210                                 "highly-configurable email client.\n\n"
 211                                 "For further information visit the Claws Mail "
 212                                 "website:\n"), -1);
 213         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, HOMEPAGE_URI, -1,
 214                                 "link", NULL);
 215         gtk_text_buffer_insert(buffer, &iter, _("\n\n"
 216                                 "Claws Mail is free software released "
 217                                 "under the GPL license. If you wish to donate "
 218                                 "to the Claws Mail project you can do "
 219                                 "so at:\n"), -1);
 220         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DONATE_URI, -1,
 221                                 "link", NULL);
 222
 223         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 224                                 "indent", 8,
 225                                 NULL);
 226         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 227                                 "underline", PANGO_UNDERLINE_SINGLE,
 228                                 NULL);
 229
 230         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\n\nSystem Information\n")), -1,
 231                         "underlined-list-title", NULL);
 232
 233 #if HAVE_SYS_UTSNAME_H
 234         uname(&utsbuf);
 235         g_snprintf(buf, sizeof(buf),
 236                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 237                      "Locale: %s (charset: %s)\n"
 238                      "Operating System: %s %s (%s)"),
 239                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 240                    glib_major_version, glib_minor_version, glib_micro_version,
 241                    conv_get_current_locale(), conv_get_locale_charset_str(),
 242                    utsbuf.sysname, utsbuf.release, utsbuf.machine);
 243 #elif defined(G_OS_WIN32)
 244         g_snprintf(buf, sizeof(buf),
 245                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 246                      "Locale: %s (charset: %s)\n"
 247                      "Operating System: %s"),
 248                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 249                    glib_major_version, glib_minor_version, glib_micro_version,
 250                    conv_get_current_locale(), conv_get_locale_charset_str(),
 251                    "Win32");
 252 #else
 253         g_snprintf(buf, sizeof(buf),
 254                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 255                      "Locale: %s (charset: %s)\n"
 256                      "Operating System: unknown"),
 257                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 258                    glib_major_version, glib_minor_version, glib_micro_version,
 259                    conv_get_current_locale(), conv_get_locale_charset_str());
 260 #endif
 261
 262         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, buf, -1,
 263                                                  "indented-list-item", NULL);
 264
 265         gtk_text_buffer_insert(buffer, &iter, "\n", -1);
 266
 267         g_signal_connect(G_OBJECT(tag), "event",
 268                                 G_CALLBACK(about_textview_uri_clicked), text);
 269         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 270                                 G_CALLBACK(about_textview_motion_notify), text);
 271         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 272                                 G_CALLBACK(about_textview_leave_notify), text);
 273
 274         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 275                                 scrolledwin,
 276                                 gtk_label_new_with_mnemonic(_("_Info")));
 277
 278         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 279         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 280                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 281         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 282                                             GTK_SHADOW_IN);
 283
 284         text = gtk_text_view_new();
 285         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 286         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 287         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 288         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 289         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 290         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 291         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 292
 293         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 294         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 295
 296         /* init formatting tag: indentation  for list items */
 297         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 298                                 "indent", 8,
 299                                 NULL);
 300         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 301                                 "underline", PANGO_UNDERLINE_SINGLE,
 302                                 NULL);
 303
 304         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("The Claws Mail Team\n")), -1,
 305                         "underlined-list-title", NULL);
 306
 307         for (i = 0; TEAM_LIST[i] != NULL; i++) {
 308                 if (g_utf8_validate(TEAM_LIST[i], -1, NULL))
 309                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TEAM_LIST[i], -1,
 310                                         "indented-list-item", NULL);
 311                 else {
 312                         gchar *conv = conv_codeset_strdup(TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 313                         if (conv)
 314                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 315                                                 "indented-list-item", NULL);
 316                         g_free(conv);
 317                 }
 318                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 319         }
 320
 321         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nPrevious team members\n")), -1,
 322                         "underlined-list-title", NULL);
 323
 324         for (i = 0; EX_TEAM_LIST[i] != NULL; i++) {
 325                 if (g_utf8_validate(EX_TEAM_LIST[i], -1, NULL))
 326                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, EX_TEAM_LIST[i], -1,
 327                                         "indented-list-item", NULL);
 328                 else {
 329                         gchar *conv = conv_codeset_strdup(EX_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 330                         if (conv)
 331                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 332                                                 "indented-list-item", NULL);
 333                         g_free(conv);
 334                 }
 335                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 336         }
 337
 338         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nThe translation team\n")), -1,
 339                         "underlined-list-title", NULL);
 340
 341         for (i = 0; TRANS_TEAM_LIST[i] != NULL; i++) {
 342                 if (g_utf8_validate(TRANS_TEAM_LIST[i], -1, NULL))
 343                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TRANS_TEAM_LIST[i], -1,
 344                                         "indented-list-item", NULL);
 345                 else {
 346                         gchar *conv = conv_codeset_strdup(TRANS_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 347                         if (conv)
 348                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 349                                                 "indented-list-item", NULL);
 350                         g_free(conv);
 351                 }
 352                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 353         }
 354
 355         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nDocumentation team\n")), -1,
 356                         "underlined-list-title", NULL);
 357
 358         for (i = 0; DOC_TEAM_LIST[i] != NULL; i++) {
 359                 if (g_utf8_validate(DOC_TEAM_LIST[i], -1, NULL))
 360                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DOC_TEAM_LIST[i], -1,
 361                                         "indented-list-item", NULL);
 362                 else {
 363                         gchar *conv = conv_codeset_strdup(DOC_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 364                         if (conv)
 365                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 366                                                 "indented-list-item", NULL);
 367                         g_free(conv);
 368                 }
 369                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 370         }
 371
 372         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nLogo\n")), -1,
 373                         "underlined-list-title", NULL);
 374
 375         for (i = 0; LOGO_LIST[i] != NULL; i++) {
 376                 if (g_utf8_validate(LOGO_LIST[i], -1, NULL))
 377                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, LOGO_LIST[i], -1,
 378                                         "indented-list-item", NULL);
 379                 else {
 380                         gchar *conv = conv_codeset_strdup(LOGO_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 381                         if (conv)
 382                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 383                                                 "indented-list-item", NULL);
 384                         g_free(conv);
 385                 }
 386                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 387         }
 388
 389         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nIcons\n")), -1,
 390                         "underlined-list-title", NULL);
 391
 392         for (i = 0; ICONS_LIST[i] != NULL; i++) {
 393                 if (g_utf8_validate(ICONS_LIST[i], -1, NULL))
 394                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ICONS_LIST[i], -1,
 395                                         "indented-list-item", NULL);
 396                 else {
 397                         gchar *conv = conv_codeset_strdup(ICONS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 398                         if (conv)
 399                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 400                                                 "indented-list-item", NULL);
 401                         g_free(conv);
 402                 }
 403                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 404         }
 405
 406         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nContributors\n")), -1,
 407                         "underlined-list-title", NULL);
 408
 409         for (i = 0; CONTRIBS_LIST[i] != NULL; i++) {
 410                 if (g_utf8_validate(CONTRIBS_LIST[i], -1, NULL))
 411                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, CONTRIBS_LIST[i], -1,
 412                                         "indented-list-item", NULL);
 413                 else {
 414                         gchar *conv = conv_codeset_strdup(CONTRIBS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 415                         if (conv)
 416                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 417                                                 "indented-list-item", NULL);
 418                         g_free(conv);
 419                 }
 420                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 421         }
 422
 423         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 424                                  scrolledwin,
 425                                  gtk_label_new_with_mnemonic(_("_Authors")));
 426
 427         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 428         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 429                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 430         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 431                                             GTK_SHADOW_IN);
 432
 433         text = gtk_text_view_new();
 434         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 435         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 436         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 437         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 438         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 439         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 440         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 441
 442         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 443         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 444
 445         gtk_text_buffer_insert(buffer, &iter, _("Compiled-in Features\n"), -1);
 446
 447         gtk_text_buffer_create_tag(buffer, "bold", "weight", PANGO_WEIGHT_BOLD,
 448                                    NULL);
 449
 450         stock_pixbuf_gdk(window, STOCK_PIXMAP_ACTIVE, &active_pixbuf);
 451         stock_pixbuf_gdk(window, STOCK_PIXMAP_INACTIVE, &inactive_pixbuf);
 452
 453 #if INET6
 454         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 455 #else
 456         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 457 #endif
 458         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" IPv6 "), -1,
 459                                                  "bold", NULL);
 460         gtk_text_buffer_insert(buffer, &iter,
 461                 (gchar *)Q_("IPv6|adds support for IPv6 addresses, the new internet "
 462                             "addressing protocol\n"), -1);
 463
 464 #if HAVE_ICONV
 465         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 466 #else
 467         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 468 #endif
 469         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" iconv "), -1,
 470                                                  "bold", NULL);
 471         gtk_text_buffer_insert(buffer, &iter,
 472                 (gchar *)Q_("iconv|allows converting to and from different character sets\n"), -1);
 473
 474 #if HAVE_LIBCOMPFACE
 475         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 476 #else
 477         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 478 #endif
 479         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" compface "), -1,
 480                                                  "bold", NULL);
 481         gtk_text_buffer_insert(buffer, &iter,
 482                 (gchar *)Q_("compface|adds support for the X-Face header\n"), -1);
 483
 484 #if USE_OPENSSL
 485         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 486 #else
 487         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 488 #endif
 489         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" OpenSSL "), -1,
 490                                                  "bold", NULL);
 491         gtk_text_buffer_insert(buffer, &iter,
 492                 (gchar *)Q_("OpenSSL|adds support for encrypted connections to servers\n"), -1);
 493
 494 #if USE_LDAP
 495         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 496 #else
 497         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 498 #endif
 499         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" LDAP "), -1,
 500                                                  "bold", NULL);
 501         gtk_text_buffer_insert(buffer, &iter,
 502                 (gchar *)Q_("LDAP|adds support for LDAP shared addressbooks\n"), -1);
 503
 504 #if USE_JPILOT
 505         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 506 #else
 507         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 508 #endif
 509         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" JPilot "), -1,
 510                                                  "bold", NULL);
 511         gtk_text_buffer_insert(buffer, &iter,
 512                 (gchar *)Q_("JPilot|adds support for PalmOS addressbooks\n"), -1);
 513
 514 #if USE_ASPELL
 515         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 516 #else
 517         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 518 #endif
 519         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" GNU/aspell "), -1,
 520                                                  "bold", NULL);
 521         gtk_text_buffer_insert(buffer, &iter,
 522                 (gchar *)Q_("GNU/aspell|adds support for spell checking\n"), -1);
 523
 524 #if HAVE_LIBETPAN
 525         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 526 #else
 527         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 528 #endif
 529         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libetpan "), -1,
 530                                                  "bold", NULL);
 531         gtk_text_buffer_insert(buffer, &iter,
 532                 (gchar *)Q_("libetpan|adds support for IMAP servers\n"), -1);
 533
 534 #if USE_GNOMEPRINT
 535         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 536 #else
 537         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 538 #endif
 539         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libgnomeprint "), -1,
 540                                                  "bold", NULL);
 541         gtk_text_buffer_insert(buffer, &iter,
 542                 (gchar *)Q_("libgnomeprint|adds support for a complete print dialog\n"), -1);
 543
 544 #if HAVE_LIBSM
 545         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 546 #else
 547         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 548 #endif
 549         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libSM "), -1,
 550                                                  "bold", NULL);
 551         gtk_text_buffer_insert(buffer, &iter,
 552                 (gchar *)Q_("libSM|adds support for session handling\n"), -1);
 553
 554         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 555                                  scrolledwin,
 556                                  gtk_label_new_with_mnemonic(_("_Features")));
 557
 558         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 559         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 560                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 561         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 562                                             GTK_SHADOW_IN);
 563
 564         text = gtk_text_view_new();
 565         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 566         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 567         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 568         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 569         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 570         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 571
 572         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 573         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 574
 575         gtk_text_buffer_insert(buffer, &iter,
 576                 _("This program is free software; you can redistribute it and/or modify "
 577                   "it under the terms of the GNU General Public License as published by "
 578                   "the Free Software Foundation; either version 2, or (at your option) "
 579                   "any later version.\n\n"), -1);
 580
 581         gtk_text_buffer_insert(buffer, &iter,
 582                 _("This program is distributed in the hope that it will be useful, "
 583                   "but WITHOUT ANY WARRANTY; without even the implied warranty of "
 584                   "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. "
 585                   "See the GNU General Public License for more details.\n\n"), -1);
 586
 587         gtk_text_buffer_insert(buffer, &iter,
 588                 _("You should have received a copy of the GNU General Public License "
 589                   "along with this program; if not, write to the Free Software "
 590                   "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, "
 591                   "MA 02110-1301, USA.\n\n"), -1);
 592 #ifdef USE_OPENSSL
 593         tag = gtk_text_buffer_create_tag(buffer, "link",
 594                 "foreground-gdk", &uri_color,
 595                 NULL);
 596         gtk_text_buffer_create_tag(buffer, "link-hover",
 597                 "foreground-gdk", &uri_color,
 598                 "underline", PANGO_UNDERLINE_SINGLE,
 599                 NULL);
 600
 601         gtk_text_buffer_insert(buffer, &iter,
 602                 _("This product includes software developed by the OpenSSL Project "
 603                   "for use in the OpenSSL Toolkit ("), -1);
 604         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, OPENSSL_URI, -1,
 605                 "link", NULL);
 606         gtk_text_buffer_insert(buffer, &iter, _(").\n"), -1);
 607
 608         g_signal_connect(G_OBJECT(tag), "event",
 609                                 G_CALLBACK(about_textview_uri_clicked), text);
 610         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 611                          G_CALLBACK(about_textview_motion_notify), text);
 612         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 613                                 G_CALLBACK(about_textview_leave_notify), text);
 614 #endif
 615
 616         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 617                                  scrolledwin,
 618                                  gtk_label_new_with_mnemonic(_("_License")));
 619
 620         gtk_box_pack_start(GTK_BOX(vbox1), notebook, TRUE, TRUE, 0);
 621
 622         gtkut_stock_button_set_create(&confirm_area, &close_button, GTK_STOCK_CLOSE,
 623                                       NULL, NULL, NULL, NULL);
 624         gtk_box_pack_end(GTK_BOX(vbox1), confirm_area, FALSE, FALSE, 4);
 625         gtk_widget_grab_default(close_button);
 626         gtk_widget_grab_focus(close_button);
 627         g_signal_connect_closure
 628                 (G_OBJECT(close_button), "clicked",
 629                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide_on_delete),
 630                                      window, NULL), FALSE);
 631
 632         gtk_widget_show_all(window);
 633 }
 634
 635 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event)
 636 {
 637         if (event && event->keyval == GDK_Escape)
 638                 gtk_widget_hide(window);
 639         return FALSE;
 640 }
 641
 642 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
 643                                         GdkEvent *event, GtkTextIter *iter,
 644                                         GtkWidget *textview)
 645 {
 646         GtkTextIter start_iter, end_iter;
 647         GdkEventButton *bevent;
 648         gchar *link = NULL;
 649
 650         if (!event || !tag) {
 651                 return FALSE;
 652         }
 653
 654         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
 655                 && event->type != GDK_BUTTON_RELEASE) {
 656                 return FALSE;
 657         }
 658
 659         /* get link text from tag */
 660         if (get_tag_range(iter, tag, &start_iter,
 661                                    &end_iter) == FALSE) {
 662                 return FALSE;
 663         }
 664         link = gtk_text_iter_get_text(&start_iter, &end_iter);
 665         if (link == NULL) {
 666                 return FALSE;
 667         }
 668
 669         bevent = (GdkEventButton *) event;
 670         if (bevent->button == 1 && event->type == GDK_BUTTON_RELEASE) {
 671                 GtkTextBuffer *buffer;
 672
 673                 /* we shouldn't follow a link if the user has selected something */
 674                 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 675                 gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter);
 676                 if (gtk_text_iter_get_offset(&start_iter) != gtk_text_iter_get_offset(&end_iter)) {
 677                         return FALSE;
 678                 }
 679                 /* open link and do *not* return TRUE so that
 680                    further gtk processing of the signal is done */
 681                 open_uri(link, prefs_common.uri_cmd);
 682
 683         } else {
 684                 if (bevent->button == 3 && event->type == GDK_BUTTON_PRESS) {
 685                         GtkItemFactory *link_popupfactory;
 686                         gint n_entries;
 687
 688                         n_entries = sizeof(textview_link_popup_entries) /
 689                                         sizeof(textview_link_popup_entries[0]);
 690                         link_popupmenu = menu_create_items(
 691                                                         textview_link_popup_entries, n_entries,
 692                                                 "<UriPopupMenu>", &link_popupfactory,
 693                                                 textview);
 694
 695                         g_object_set_data(
 696                                         G_OBJECT(link_popupmenu),
 697                                         "menu_button", link);
 698                         gtk_menu_popup(GTK_MENU(link_popupmenu),
 699                                         NULL, NULL, NULL, NULL,
 700                                         bevent->button, bevent->time);
 701
 702                         return TRUE;
 703                 }
 704         }
 705         return FALSE;
 706 }
 707
 708 static void about_open_link_cb(GtkWidget *widget, guint action, void *data)
 709 {
 710         gchar *link = g_object_get_data(G_OBJECT(link_popupmenu),
 711                                            "menu_button");
 712
 713         if (link == NULL) {
 714                 return;
 715         }
 716
 717         open_uri(link, prefs_common.uri_cmd);
 718         g_object_set_data(G_OBJECT(link_popupmenu), "menu_button",
 719                           NULL);
 720 }
 721
 722 static void about_copy_link_cb(GtkWidget *widget, guint action, void *data)
 723 {
 724         gchar *link = g_object_get_data(G_OBJECT(link_popupmenu),
 725                                            "menu_button");
 726
 727         if (link == NULL) {
 728                 return;
 729         }
 730
 731         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), link, -1);
 732         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), link, -1);
 733         g_object_set_data(G_OBJECT(link_popupmenu), "menu_button", NULL);
 734 }
 735
 736 static gboolean about_textview_motion_notify(GtkWidget *widget,
 737                                         GdkEventMotion *event,
 738                                         GtkWidget *textview)
 739 {
 740         about_textview_uri_update(textview, event->x, event->y);
 741         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
 742
 743         return FALSE;
 744 }
 745
 746 static gboolean about_textview_leave_notify(GtkWidget *widget,
 747                                         GdkEventCrossing *event,
 748                                         GtkWidget *textview)
 749 {
 750         about_textview_uri_update(textview, -1, -1);
 751
 752         return FALSE;
 753 }
 754
 755 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y)
 756 {
 757         GtkTextBuffer *buffer;
 758         GtkTextIter start_iter, end_iter;
 759         gchar *uri = NULL;
 760         gboolean same;
 761
 762         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 763
 764         if (x != -1 && y != -1) {
 765                 gint bx, by;
 766                 GtkTextIter iter;
 767                 GSList *tags;
 768                 GSList *cur;
 769
 770                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview),
 771                                 GTK_TEXT_WINDOW_WIDGET,
 772                                 x, y, &bx, &by);
 773                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview),
 774                                 &iter, bx, by);
 775
 776                 tags = gtk_text_iter_get_tags(&iter);
 777                 for (cur = tags; cur != NULL; cur = cur->next) {
 778                         GtkTextTag *tag = cur->data;
 779                         char *name;
 780
 781                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
 782                         if (strcmp(name, "link") == 0
 783                             && get_tag_range(&iter, tag, &start_iter, &end_iter)) {
 784                                 uri = gtk_text_iter_get_text(&start_iter, &end_iter);
 785                         }
 786                         g_free(name);
 787
 788                         if (uri) {
 789                                 break;
 790                         }
 791                 }
 792                 g_slist_free(tags);
 793         }
 794
 795         /* compare previous hovered link and this one
 796            (here links must be unique in text buffer otherwise ClickableText structures should be
 797            used as in textview.c) */
 798         same = (uri != NULL && uri_hover != NULL
 799                 && strcmp((char*)uri, (char*)uri_hover) == 0);
 800
 801         if (same == FALSE) {
 802                 GdkWindow *window;
 803
 804                 if (uri_hover) {
 805                         gtk_text_buffer_remove_tag_by_name(buffer,
 806                                         "link-hover",
 807                                         &uri_hover_start_iter,
 808                                         &uri_hover_end_iter);
 809                 }
 810
 811                 uri_hover = uri;
 812                 if (uri) {
 813                         uri_hover_start_iter = start_iter;
 814                         uri_hover_end_iter = end_iter;
 815
 816                         gtk_text_buffer_apply_tag_by_name(buffer,
 817                                         "link-hover",
 818                                         &start_iter,
 819                                         &end_iter);
 820                 }
 821
 822                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview),
 823                                                 GTK_TEXT_WINDOW_TEXT);
 824                 if (!hand_cursor)
 825                         hand_cursor = gdk_cursor_new(GDK_HAND2);
 826                 if (!text_cursor)
 827                         text_cursor = gdk_cursor_new(GDK_XTERM);
 828                 gdk_window_set_cursor(window, uri ? hand_cursor : text_cursor);
 829         }
 830 }