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 Sylpheed-Claws 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 *table;
  97         GtkWidget *table2;
  98         GtkWidget *image;
  99         GtkWidget *vbox2;
 100         GtkWidget *label;
 101         GtkWidget *button;
 102         GtkWidget *scrolledwin;
 103         GtkWidget *notebook;
 104         char *markup;
 105         GtkWidget *text;
 106         GtkWidget *confirm_area;
 107         GtkWidget *close_button;
 108         GtkTextBuffer *buffer;
 109         GtkTextIter iter;
 110         GtkTextTag *tag;
 111         GdkColor uri_color;
 112 #if HAVE_SYS_UTSNAME_H
 113         struct utsname utsbuf;
 114 #endif
 115         gchar buf[1024];
 116         gint i;
 117
 118         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 119         gtk_window_set_title(GTK_WINDOW(window), _("About Sylpheed-Claws"));
 120         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 121         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 122         gtk_widget_set_size_request(window, -1, -1);
 123         g_signal_connect(G_OBJECT(window), "delete_event",
 124                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 125         g_signal_connect(G_OBJECT(window), "key_press_event",
 126                          G_CALLBACK(key_pressed), NULL);
 127         gtk_widget_realize(window);
 128
 129         vbox1 = gtk_vbox_new(FALSE, 0);
 130         gtk_container_add(GTK_CONTAINER(window), vbox1);
 131
 132         table = gtk_table_new (1, 2, FALSE);
 133         gtk_box_pack_start(GTK_BOX(vbox1), table, FALSE, FALSE, 0);
 134
 135         image = stock_pixmap_widget(window, STOCK_PIXMAP_SYLPHEED_LOGO);
 136         gtk_table_attach(GTK_TABLE(table), image, 0, 1, 0, 1,
 137                          (GtkAttachOptions) (GTK_SHRINK),
 138                          (GtkAttachOptions) (GTK_SHRINK), 8, 0);
 139
 140         vbox2 = gtk_vbox_new (TRUE, 0);
 141         gtk_table_attach(GTK_TABLE(table), vbox2, 1, 2, 0, 1,
 142                          (GtkAttachOptions) (GTK_EXPAND),
 143                          (GtkAttachOptions) (GTK_FILL), 0, 0);
 144
 145         label = gtk_label_new("");
 146         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 147         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 148         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 149         markup = g_markup_printf_escaped
 150                 ("<span weight=\"bold\" size=\"xx-large\">Sylpheed-Claws</span>\nversion %s",
 151                  VERSION);
 152         gtk_label_set_markup(GTK_LABEL(label), markup);
 153         g_free(markup);
 154
 155         button = gtkut_get_link_btn(window, HOMEPAGE_URI, " "HOMEPAGE_URI" ");
 156         gtk_box_pack_start(GTK_BOX(vbox2), button, FALSE, FALSE, 0);
 157
 158 #if HAVE_SYS_UTSNAME_H
 159         uname(&utsbuf);
 160         g_snprintf(buf, sizeof(buf),
 161                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 162                    "Operating System: %s %s (%s)"),
 163                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 164                    glib_major_version, glib_minor_version, glib_micro_version,
 165                    utsbuf.sysname, utsbuf.release, utsbuf.machine);
 166 #elif defined(G_OS_WIN32)
 167         g_snprintf(buf, sizeof(buf),
 168                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 169                    "Operating System: %s"),
 170                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 171                    glib_major_version, glib_minor_version, glib_micro_version,
 172                    "Win32");
 173 #else
 174         g_snprintf(buf, sizeof(buf),
 175                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 176                    "Operating System: unknown"),
 177                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 178                    glib_major_version, glib_minor_version, glib_micro_version);
 179 #endif
 180
 181         label = gtk_label_new(buf);
 182         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 183         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 184         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 185         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 186
 187         g_snprintf(buf, sizeof(buf),
 188                    _("Compiled-in features:\n%s"),
 189 #if USE_THREADS
 190                    " gthread"
 191 #endif
 192 #if INET6
 193                    " IPv6"
 194 #endif
 195 #if HAVE_ICONV
 196                    " iconv"
 197 #endif
 198 #if HAVE_LIBCOMPFACE
 199                    " compface"
 200 #endif
 201 #if USE_OPENSSL
 202                    " OpenSSL"
 203 #endif
 204 #if USE_LDAP
 205                    " LDAP"
 206 #endif
 207 #if USE_JPILOT
 208                    " JPilot"
 209 #endif
 210 #if USE_ASPELL
 211                    " GNU/aspell"
 212 #endif
 213 #if HAVE_LIBETPAN
 214                    " libetpan"
 215 #endif
 216 #if USE_GNOMEPRINT
 217                    " libgnomeprint"
 218 #endif
 219         "");
 220
 221         label = gtk_label_new(buf);
 222         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 223         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 224         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 225         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 226
 227         table2 = gtk_table_new (2, 3, FALSE);
 228         gtk_box_pack_start(GTK_BOX(vbox1), table2, FALSE, FALSE, 0);
 229
 230         label = gtk_label_new
 231                 (_("Copyright (C) 1999-2006 Hiroyuki Yamamoto <hiro-y@kcn.ne.jp>\n"
 232                  "and the Sylpheed-Claws team"));
 233         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 234         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 235         gtk_table_attach(GTK_TABLE(table2), label, 0, 1, 0, 1,
 236                          (GtkAttachOptions) (GTK_EXPAND),
 237                          (GtkAttachOptions) (GTK_SHRINK), 0, 6);
 238
 239         notebook = gtk_notebook_new();
 240         gtk_widget_set_size_request(notebook, -1, 200);
 241         gtk_widget_show(notebook);
 242
 243         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 244         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 245                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 246         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 247                                             GTK_SHADOW_IN);
 248
 249         text = gtk_text_view_new();
 250         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 251         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 252         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 253         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 254         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 255         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 256         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 257
 258         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 259         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 260
 261         /* textview link style (based upon main prefs) */
 262         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 263                                 (GdkColor*)&uri_color);
 264         tag = gtk_text_buffer_create_tag(buffer, "link",
 265                                 "foreground-gdk", &uri_color,
 266                                 "wrap-mode", GTK_WRAP_NONE,
 267                                 NULL);
 268         gtk_text_buffer_create_tag(buffer, "link-hover",
 269                                 "foreground-gdk", &uri_color,
 270                                 "underline", PANGO_UNDERLINE_SINGLE,
 271                                 NULL);
 272
 273         gtk_text_buffer_insert(buffer, &iter, _(
 274                                 "Sylpheed-Claws is a lightweight, fast and "
 275                                 "highly-configurable e-mail client.\n\n"
 276                                 "For further information visit the Sylpheed-"
 277                                 "Claws website:\n"), -1);
 278         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, HOMEPAGE_URI, -1,
 279                                 "link", NULL);
 280         gtk_text_buffer_insert(buffer, &iter, _("\n\n"
 281                                 "Sylpheed-Claws is free software released "
 282                                 "under the GPL license. If you wish to donate "
 283                                 "to the Sylpheed-Claws project you can do "
 284                                 "so at:\n"), -1);
 285         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DONATE_URI, -1,
 286                                 "link", NULL);
 287         gtk_text_buffer_insert(buffer, &iter, _("\n"), -1);
 288
 289         g_signal_connect(G_OBJECT(tag), "event",
 290                                 G_CALLBACK(about_textview_uri_clicked), text);
 291         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 292                                 G_CALLBACK(about_textview_motion_notify), text);
 293         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 294                                 G_CALLBACK(about_textview_leave_notify), text);
 295
 296         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 297                                 scrolledwin,
 298                                 gtk_label_new_with_mnemonic(_("_Info")));
 299
 300         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 301         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 302                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 303         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 304                                             GTK_SHADOW_IN);
 305
 306         text = gtk_text_view_new();
 307         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 308         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 309         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 310         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 311         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 312         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 313         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 314
 315         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 316         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 317
 318         /* init formatting tag: indentation  for list items */
 319         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 320                                 "indent", 24,
 321                                 NULL);
 322         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 323                                 "underline", PANGO_UNDERLINE_SINGLE,
 324                                 NULL);
 325
 326         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("The Sylpheed-Claws Team\n")), -1,
 327                         "underlined-list-title", NULL);
 328
 329         for (i = 0; TEAM_LIST[i] != NULL; i++) {
 330                 if (g_utf8_validate(TEAM_LIST[i], -1, NULL))
 331                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TEAM_LIST[i], -1,
 332                                         "indented-list-item", NULL);
 333                 else {
 334                         gchar *conv = conv_codeset_strdup(TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 335                         if (conv)
 336                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 337                                                 "indented-list-item", NULL);
 338                         g_free(conv);
 339                 }
 340                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 341         }
 342
 343         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nPrevious team members\n")), -1,
 344                         "underlined-list-title", NULL);
 345
 346         for (i = 0; EX_TEAM_LIST[i] != NULL; i++) {
 347                 if (g_utf8_validate(EX_TEAM_LIST[i], -1, NULL))
 348                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, EX_TEAM_LIST[i], -1,
 349                                         "indented-list-item", NULL);
 350                 else {
 351                         gchar *conv = conv_codeset_strdup(EX_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 352                         if (conv)
 353                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 354                                                 "indented-list-item", NULL);
 355                         g_free(conv);
 356                 }
 357                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 358         }
 359
 360         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nThe translation team\n")), -1,
 361                         "underlined-list-title", NULL);
 362
 363         for (i = 0; TRANS_TEAM_LIST[i] != NULL; i++) {
 364                 if (g_utf8_validate(TRANS_TEAM_LIST[i], -1, NULL))
 365                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TRANS_TEAM_LIST[i], -1,
 366                                         "indented-list-item", NULL);
 367                 else {
 368                         gchar *conv = conv_codeset_strdup(TRANS_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 369                         if (conv)
 370                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 371                                                 "indented-list-item", NULL);
 372                         g_free(conv);
 373                 }
 374                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 375         }
 376
 377         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nDocumentation team\n")), -1,
 378                         "underlined-list-title", NULL);
 379
 380         for (i = 0; DOC_TEAM_LIST[i] != NULL; i++) {
 381                 if (g_utf8_validate(DOC_TEAM_LIST[i], -1, NULL))
 382                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DOC_TEAM_LIST[i], -1,
 383                                         "indented-list-item", NULL);
 384                 else {
 385                         gchar *conv = conv_codeset_strdup(DOC_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 386                         if (conv)
 387                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 388                                                 "undeindented-list-itemitle", NULL);
 389                         g_free(conv);
 390                 }
 391                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 392         }
 393
 394         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nLogo\n")), -1,
 395                         "underlined-list-title", NULL);
 396
 397         for (i = 0; LOGO_LIST[i] != NULL; i++) {
 398                 if (g_utf8_validate(LOGO_LIST[i], -1, NULL))
 399                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, LOGO_LIST[i], -1,
 400                                         "indented-list-item", NULL);
 401                 else {
 402                         gchar *conv = conv_codeset_strdup(LOGO_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 403                         if (conv)
 404                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 405                                                 "indented-list-item", NULL);
 406                         g_free(conv);
 407                 }
 408                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 409         }
 410
 411         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nIcons\n")), -1,
 412                         "underlined-list-title", NULL);
 413
 414         for (i = 0; ICONS_LIST[i] != NULL; i++) {
 415                 if (g_utf8_validate(ICONS_LIST[i], -1, NULL))
 416                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ICONS_LIST[i], -1,
 417                                         "indented-list-item", NULL);
 418                 else {
 419                         gchar *conv = conv_codeset_strdup(ICONS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 420                         if (conv)
 421                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 422                                                 "indented-list-item", NULL);
 423                         g_free(conv);
 424                 }
 425                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 426         }
 427
 428         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nContributors\n")), -1,
 429                         "underlined-list-title", NULL);
 430
 431         for (i = 0; CONTRIBS_LIST[i] != NULL; i++) {
 432                 if (g_utf8_validate(CONTRIBS_LIST[i], -1, NULL))
 433                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, CONTRIBS_LIST[i], -1,
 434                                         "indented-list-item", NULL);
 435                 else {
 436                         gchar *conv = conv_codeset_strdup(CONTRIBS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 437                         if (conv)
 438                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 439                                                 "indented-list-item", NULL);
 440                         g_free(conv);
 441                 }
 442                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 443         }
 444
 445         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 446                                  scrolledwin,
 447                                  gtk_label_new_with_mnemonic(_("_Authors")));
 448
 449         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 450         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 451                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 452         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 453                                             GTK_SHADOW_IN);
 454
 455         text = gtk_text_view_new();
 456         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 457         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 458         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 459         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 460         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 461         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 462
 463         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 464         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 465
 466         gtk_text_buffer_insert(buffer, &iter,
 467                 _("This program is free software; you can redistribute it and/or modify "
 468                   "it under the terms of the GNU General Public License as published by "
 469                   "the Free Software Foundation; either version 2, or (at your option) "
 470                   "any later version.\n\n"), -1);
 471
 472         gtk_text_buffer_insert(buffer, &iter,
 473                 _("This program is distributed in the hope that it will be useful, "
 474                   "but WITHOUT ANY WARRANTY; without even the implied warranty of "
 475                   "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. "
 476                   "See the GNU General Public License for more details.\n\n"), -1);
 477
 478         gtk_text_buffer_insert(buffer, &iter,
 479                 _("You should have received a copy of the GNU General Public License "
 480                   "along with this program; if not, write to the Free Software "
 481                   "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, "
 482                   "MA 02110-1301, USA.\n\n"), -1);
 483 #ifdef USE_OPENSSL
 484         tag = gtk_text_buffer_create_tag(buffer, "link",
 485                 "foreground-gdk", &uri_color,
 486                 NULL);
 487         gtk_text_buffer_create_tag(buffer, "link-hover",
 488                 "foreground-gdk", &uri_color,
 489                 "underline", PANGO_UNDERLINE_SINGLE,
 490                 NULL);
 491
 492         gtk_text_buffer_insert(buffer, &iter,
 493                 _("This product includes software developed by the OpenSSL Project "
 494                   "for use in the OpenSSL Toolkit ("), -1);
 495         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "http://www.openssl.org/", -1,
 496                 "link", NULL);
 497         gtk_text_buffer_insert(buffer, &iter, _(").\n"), -1);
 498
 499         g_signal_connect(G_OBJECT(tag), "event",
 500                                 G_CALLBACK(about_textview_uri_clicked), text);
 501         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 502                          G_CALLBACK(about_textview_motion_notify), text);
 503         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 504                                 G_CALLBACK(about_textview_leave_notify), text);
 505 #endif
 506
 507         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 508                                  scrolledwin,
 509                                  gtk_label_new_with_mnemonic(_("_License")));
 510
 511         gtk_box_pack_start(GTK_BOX(vbox1), notebook, TRUE, TRUE, 0);
 512
 513         gtkut_stock_button_set_create(&confirm_area, &close_button, GTK_STOCK_CLOSE,
 514                                       NULL, NULL, NULL, NULL);
 515         gtk_box_pack_end(GTK_BOX(vbox1), confirm_area, FALSE, FALSE, 4);
 516         gtk_widget_grab_default(close_button);
 517         gtk_widget_grab_focus(close_button);
 518         g_signal_connect_closure
 519                 (G_OBJECT(close_button), "clicked",
 520                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide_on_delete),
 521                                      window, NULL), FALSE);
 522
 523         gtk_widget_show_all(window);
 524 }
 525
 526 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event)
 527 {
 528         if (event && event->keyval == GDK_Escape)
 529                 gtk_widget_hide(window);
 530         return FALSE;
 531 }
 532
 533 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
 534                                         GdkEvent *event, GtkTextIter *iter,
 535                                         GtkWidget *textview)
 536 {
 537         GtkTextIter start_iter, end_iter;
 538         GdkEventButton *bevent;
 539         gchar *link = NULL;
 540
 541         if (!event || !tag) {
 542                 return FALSE;
 543         }
 544
 545         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
 546                 && event->type != GDK_BUTTON_RELEASE) {
 547                 return FALSE;
 548         }
 549
 550         /* get link text from tag */
 551         if (get_tag_range(iter, tag, &start_iter,
 552                                    &end_iter) == FALSE) {
 553                 return FALSE;
 554         }
 555         link = gtk_text_iter_get_text(&start_iter, &end_iter);
 556         if (link == NULL) {
 557                 return FALSE;
 558         }
 559
 560         bevent = (GdkEventButton *) event;
 561         if (bevent->button == 1 && event->type == GDK_BUTTON_RELEASE) {
 562                 GtkTextBuffer *buffer;
 563
 564                 /* we shouldn't follow a link if the user has selected something */
 565                 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 566                 gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter);
 567                 if (gtk_text_iter_get_offset(&start_iter) != gtk_text_iter_get_offset(&end_iter)) {
 568                         return FALSE;
 569                 }
 570                 /* open link and do *not* return TRUE so that
 571                    further gtk processing of the signal is done */
 572                 open_uri(link, prefs_common.uri_cmd);
 573
 574         } else {
 575                 if (bevent->button == 3 && event->type == GDK_BUTTON_PRESS) {
 576                         GtkItemFactory *link_popupfactory;
 577                         gint n_entries;
 578
 579                         n_entries = sizeof(textview_link_popup_entries) /
 580                                         sizeof(textview_link_popup_entries[0]);
 581                         link_popupmenu = menu_create_items(
 582                                                         textview_link_popup_entries, n_entries,
 583                                                 "<UriPopupMenu>", &link_popupfactory,
 584                                                 textview);
 585
 586                         g_object_set_data(
 587                                         G_OBJECT(link_popupmenu),
 588                                         "menu_button", link);
 589                         gtk_menu_popup(GTK_MENU(link_popupmenu),
 590                                         NULL, NULL, NULL, NULL,
 591                                         bevent->button, bevent->time);
 592
 593                         return TRUE;
 594                 }
 595         }
 596         return FALSE;
 597 }
 598
 599 static void about_open_link_cb(GtkWidget *widget, guint action, void *data)
 600 {
 601         gchar *link = g_object_get_data(G_OBJECT(link_popupmenu),
 602                                            "menu_button");
 603
 604         if (link == NULL) {
 605                 return;
 606         }
 607
 608         open_uri(link, prefs_common.uri_cmd);
 609         g_object_set_data(G_OBJECT(link_popupmenu), "menu_button",
 610                           NULL);
 611 }
 612
 613 static void about_copy_link_cb(GtkWidget *widget, guint action, void *data)
 614 {
 615         gchar *link = g_object_get_data(G_OBJECT(link_popupmenu),
 616                                            "menu_button");
 617
 618         if (link == NULL) {
 619                 return;
 620         }
 621
 622         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), link, -1);
 623         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), link, -1);
 624         g_object_set_data(G_OBJECT(link_popupmenu), "menu_button", NULL);
 625 }
 626
 627 static gboolean about_textview_motion_notify(GtkWidget *widget,
 628                                         GdkEventMotion *event,
 629                                         GtkWidget *textview)
 630 {
 631         about_textview_uri_update(textview, event->x, event->y);
 632         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
 633
 634         return FALSE;
 635 }
 636
 637 static gboolean about_textview_leave_notify(GtkWidget *widget,
 638                                         GdkEventCrossing *event,
 639                                         GtkWidget *textview)
 640 {
 641         about_textview_uri_update(textview, -1, -1);
 642
 643         return FALSE;
 644 }
 645
 646 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y)
 647 {
 648         GtkTextBuffer *buffer;
 649         GtkTextIter start_iter, end_iter;
 650         gchar *uri = NULL;
 651         gboolean same;
 652
 653         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 654
 655         if (x != -1 && y != -1) {
 656                 gint bx, by;
 657                 GtkTextIter iter;
 658                 GSList *tags;
 659                 GSList *cur;
 660
 661                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview),
 662                                 GTK_TEXT_WINDOW_WIDGET,
 663                                 x, y, &bx, &by);
 664                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview),
 665                                 &iter, bx, by);
 666
 667                 tags = gtk_text_iter_get_tags(&iter);
 668                 for (cur = tags; cur != NULL; cur = cur->next) {
 669                         GtkTextTag *tag = cur->data;
 670                         char *name;
 671
 672                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
 673                         if (strcmp(name, "link") == 0
 674                             && get_tag_range(&iter, tag, &start_iter, &end_iter)) {
 675                                 uri = gtk_text_iter_get_text(&start_iter, &end_iter);
 676                         }
 677                         g_free(name);
 678
 679                         if (uri) {
 680                                 break;
 681                         }
 682                 }
 683                 g_slist_free(tags);
 684         }
 685
 686         /* compare previous hovered link and this one
 687            (here links must be unique in text buffer otherwise RemoteURI structures should be
 688            used as in textview.c) */
 689         same = (uri != NULL && uri_hover != NULL
 690                 && strcmp((char*)uri, (char*)uri_hover) == 0);
 691
 692         if (same == FALSE) {
 693                 GdkWindow *window;
 694
 695                 if (uri_hover) {
 696                         gtk_text_buffer_remove_tag_by_name(buffer,
 697                                         "link-hover",
 698                                         &uri_hover_start_iter,
 699                                         &uri_hover_end_iter);
 700                 }
 701
 702                 uri_hover = uri;
 703                 if (uri) {
 704                         uri_hover_start_iter = start_iter;
 705                         uri_hover_end_iter = end_iter;
 706
 707                         gtk_text_buffer_apply_tag_by_name(buffer,
 708                                         "link-hover",
 709                                         &start_iter,
 710                                         &end_iter);
 711                 }
 712
 713                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview),
 714                                                 GTK_TEXT_WINDOW_TEXT);
 715                 if (!hand_cursor)
 716                         hand_cursor = gdk_cursor_new(GDK_HAND2);
 717                 if (!text_cursor)
 718                         text_cursor = gdk_cursor_new(GDK_XTERM);
 719                 gdk_window_set_cursor(window, uri ? hand_cursor : text_cursor);
 720         }
 721 }