src/gtk/about.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2020 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 3 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, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.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/gtk.h>
  30 #if HAVE_SYS_UTSNAME_H
  31 #  include <sys/utsname.h>
  32 #endif
  33 #include <errno.h>
  34
  35 #include "about.h"
  36 #include "gtkutils.h"
  37 #include "stock_pixmap.h"
  38 #include "prefs_common.h"
  39 #include "utils.h"
  40 #include "version.h"
  41 #include "authors.h"
  42 #include "codeconv.h"
  43 #include "menu.h"
  44 #include "textview.h"
  45 #include "main.h"
  46 #include "file-utils.h"
  47
  48 extern SessionStats session_stats;
  49 static GtkTextBuffer *stats_text_buffer;
  50
  51 static GtkWidget *window;
  52 static gchar* uri_hover = NULL;
  53 static GtkTextIter uri_hover_start_iter;
  54 static GtkTextIter uri_hover_end_iter;
  55 static GdkCursor *hand_cursor = NULL;
  56 static GdkCursor *text_cursor = NULL;
  57
  58 static void about_create(void);
  59 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event);
  60 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
  61                                         GdkEvent *event, GtkTextIter *iter,
  62                                         GtkWidget *textview);
  63 static gboolean about_textview_motion_notify(GtkWidget *widget,
  64                                         GdkEventMotion *event,
  65                                         GtkWidget *textview);
  66 static gboolean about_textview_leave_notify(GtkWidget *widget,
  67                                         GdkEventCrossing *event,
  68                                         GtkWidget *textview);
  69 static void about_size_allocate_cb(GtkWidget *widget,
  70                                         GtkAllocation *allocation);
  71 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y);
  72 static void about_update_stats(void);
  73
  74 static GtkWidget *link_popupmenu;
  75
  76
  77 void about_show(void)
  78 {
  79         if (!window)
  80                 about_create();
  81         else {
  82                 about_update_stats();
  83                 gtk_window_present(GTK_WINDOW(window));
  84         }
  85
  86 }
  87
  88 #define ADD_TEXT(text) gtk_text_buffer_insert(buffer, &iter, text, -1)
  89
  90 static GtkWidget *about_create_child_page_info(void)
  91 {
  92         GtkWidget *scrolledwin;
  93         GtkWidget *text;
  94         GtkTextBuffer *buffer;
  95         GtkTextIter iter;
  96         GdkColor uri_color;
  97         gchar buf[1024];
  98         GtkTextTag *tag;
  99 #if HAVE_SYS_UTSNAME_H
 100         struct utsname utsbuf;
 101 #endif
 102
 103         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 104         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 105                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 106         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 107                                             GTK_SHADOW_IN);
 108
 109         text = gtk_text_view_new();
 110         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 111         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 112         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 113         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 114         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 115         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 116         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 117
 118         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 119         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 120
 121         /* textview link style (based upon main prefs) */
 122         gtkut_convert_int_to_gdk_color(prefs_common.color[COL_URI],
 123                                 (GdkColor*)&uri_color);
 124         tag = gtk_text_buffer_create_tag(buffer, "link",
 125                                 "foreground-gdk", &uri_color,
 126                                 "wrap-mode", GTK_WRAP_NONE,
 127                                 NULL);
 128         gtk_text_buffer_create_tag(buffer, "link-hover",
 129                                 "foreground-gdk", &uri_color,
 130                                 "underline", PANGO_UNDERLINE_SINGLE,
 131                                 NULL);
 132
 133         ADD_TEXT(_("Claws Mail is a lightweight, fast and highly-configurable "
 134                                 "email client."));
 135         ADD_TEXT("\n\n");
 136         ADD_TEXT(_("For further information visit the Claws Mail website:"));
 137         ADD_TEXT("\n");
 138         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, HOMEPAGE_URI, -1,
 139                                 "link", NULL);
 140         ADD_TEXT("\n\n");
 141         ADD_TEXT(_("For support and discussion subscribe to the Claws Mail "
 142                                 "users' mailing list:"));
 143         ADD_TEXT("\n");
 144         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, USERS_ML_URI, -1,
 145                                 "link", NULL);
 146         ADD_TEXT("\n\n");
 147         ADD_TEXT(_("Claws Mail is free software released "
 148                                 "under the GPL. If you wish to donate "
 149                                 "to the Claws Mail project you can do "
 150                                 "so at:"));
 151         ADD_TEXT("\n");
 152         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DONATE_URI, -1,
 153                                 "link", NULL);
 154
 155         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 156                                 "indent", 8,
 157                                 NULL);
 158         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 159                                 "underline", PANGO_UNDERLINE_SINGLE,
 160                                 NULL);
 161 #ifdef GENERIC_UMPC
 162         ADD_TEXT("\n\n");
 163         ADD_TEXT(_("Copyright (C) 1999-2020\nThe Claws Mail Team\n"
 164                                 "and Hiroyuki Yamamoto"));
 165 #endif
 166         ADD_TEXT("\n\n");
 167         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 168                         (_("System Information\n")), -1, "underlined-list-title", NULL);
 169
 170 #if HAVE_SYS_UTSNAME_H
 171         uname(&utsbuf);
 172         g_snprintf(buf, sizeof(buf),g_strconcat(
 173                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 174                      _("Locale: %s (charset: %s)\n"
 175                      "Operating System: %s %s (%s)"), NULL),
 176                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 177                    glib_major_version, glib_minor_version, glib_micro_version,
 178                    conv_get_current_locale(), conv_get_locale_charset_str(),
 179                    utsbuf.sysname, utsbuf.release, utsbuf.machine);
 180 #elif defined(G_OS_WIN32)
 181         g_snprintf(buf, sizeof(buf),g_strconcat(
 182                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 183                      _("Locale: %s (charset: %s)\n"
 184                      "Operating System: %s"), NULL),
 185                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 186                    glib_major_version, glib_minor_version, glib_micro_version,
 187                    conv_get_current_locale(), conv_get_locale_charset_str(),
 188                    "Win32");
 189 #else
 190         g_snprintf(buf, sizeof(buf),g_strconcat(
 191                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 192                      _("Locale: %s (charset: %s)\n"
 193                      "Operating System: unknown"), NULL),
 194                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 195                    glib_major_version, glib_minor_version, glib_micro_version,
 196                    conv_get_current_locale(), conv_get_locale_charset_str());
 197 #endif
 198
 199         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, buf, -1,
 200                                                  "indented-list-item", NULL);
 201         ADD_TEXT("\n");
 202
 203         g_signal_connect(G_OBJECT(tag), "event",
 204                                 G_CALLBACK(about_textview_uri_clicked), text);
 205         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 206                                 G_CALLBACK(about_textview_motion_notify), text);
 207         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 208                                 G_CALLBACK(about_textview_leave_notify), text);
 209
 210         return scrolledwin;
 211 }
 212
 213 static GtkWidget *about_create_child_page_authors(void)
 214 {
 215         GtkWidget *scrolledwin;
 216         GtkWidget *text;
 217         GtkTextBuffer *buffer;
 218         GtkTextIter iter;
 219         gint i;
 220
 221         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 222         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 223                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 224         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 225                                             GTK_SHADOW_IN);
 226
 227         text = gtk_text_view_new();
 228         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 229         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 230         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 231         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 232         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 233         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 234         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 235
 236         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 237         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 238
 239         /* init formatting tag: indentation for list items */
 240         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 241                                 "indent", 8,
 242                                 NULL);
 243         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 244                                 "underline", PANGO_UNDERLINE_SINGLE,
 245                                 NULL);
 246
 247         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 248                         (_("The Claws Mail Team")), -1, "underlined-list-title", NULL);
 249         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 250
 251         for (i = 0; TEAM_LIST[i] != NULL; i++) {
 252                 if (g_utf8_validate(TEAM_LIST[i], -1, NULL))
 253                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TEAM_LIST[i], -1,
 254                                         "indented-list-item", NULL);
 255                 else {
 256                         gchar *conv = conv_codeset_strdup(TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 257                         if (conv)
 258                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 259                                                 "indented-list-item", NULL);
 260                         g_free(conv);
 261                 }
 262                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 263         }
 264
 265         ADD_TEXT("\n");
 266         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 267                         (_("Previous team members")), -1, "underlined-list-title", NULL);
 268         ADD_TEXT("\n");
 269
 270         for (i = 0; EX_TEAM_LIST[i] != NULL; i++) {
 271                 if (g_utf8_validate(EX_TEAM_LIST[i], -1, NULL))
 272                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, EX_TEAM_LIST[i], -1,
 273                                         "indented-list-item", NULL);
 274                 else {
 275                         gchar *conv = conv_codeset_strdup(EX_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 276                         if (conv)
 277                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 278                                                 "indented-list-item", NULL);
 279                         g_free(conv);
 280                 }
 281                 ADD_TEXT("\n");
 282         }
 283
 284         ADD_TEXT("\n");
 285         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 286                         (_("The translation team")), -1, "underlined-list-title", NULL);
 287         ADD_TEXT("\n");
 288
 289         for (i = 0; TRANS_TEAM_LIST[i] != NULL; i++) {
 290                 if (g_utf8_validate(TRANS_TEAM_LIST[i], -1, NULL))
 291                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TRANS_TEAM_LIST[i], -1,
 292                                         "indented-list-item", NULL);
 293                 else {
 294                         gchar *conv = conv_codeset_strdup(TRANS_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 295                         if (conv)
 296                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 297                                                 "indented-list-item", NULL);
 298                         g_free(conv);
 299                 }
 300                 ADD_TEXT("\n");
 301         }
 302
 303         ADD_TEXT("\n");
 304         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 305                         (_("Documentation team")), -1, "underlined-list-title", NULL);
 306         ADD_TEXT("\n");
 307
 308         for (i = 0; DOC_TEAM_LIST[i] != NULL; i++) {
 309                 if (g_utf8_validate(DOC_TEAM_LIST[i], -1, NULL))
 310                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DOC_TEAM_LIST[i], -1,
 311                                         "indented-list-item", NULL);
 312                 else {
 313                         gchar *conv = conv_codeset_strdup(DOC_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 314                         if (conv)
 315                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 316                                                 "indented-list-item", NULL);
 317                         g_free(conv);
 318                 }
 319                 ADD_TEXT("\n");
 320         }
 321
 322         ADD_TEXT("\n");
 323         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Logo")), -1,
 324                         "underlined-list-title", NULL);
 325         ADD_TEXT("\n");
 326
 327         for (i = 0; LOGO_LIST[i] != NULL; i++) {
 328                 if (g_utf8_validate(LOGO_LIST[i], -1, NULL))
 329                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, LOGO_LIST[i], -1,
 330                                         "indented-list-item", NULL);
 331                 else {
 332                         gchar *conv = conv_codeset_strdup(LOGO_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 333                         if (conv)
 334                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 335                                                 "indented-list-item", NULL);
 336                         g_free(conv);
 337                 }
 338                 ADD_TEXT("\n");
 339         }
 340
 341         ADD_TEXT("\n");
 342         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Icons")), -1,
 343                         "underlined-list-title", NULL);
 344         ADD_TEXT("\n");
 345
 346         for (i = 0; ICONS_LIST[i] != NULL; i++) {
 347                 if (g_utf8_validate(ICONS_LIST[i], -1, NULL))
 348                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ICONS_LIST[i], -1,
 349                                         "indented-list-item", NULL);
 350                 else {
 351                         gchar *conv = conv_codeset_strdup(ICONS_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                 ADD_TEXT("\n");
 358         }
 359
 360         ADD_TEXT("\n");
 361         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Contributors")), -1,
 362                         "underlined-list-title", NULL);
 363         ADD_TEXT("\n");
 364
 365         for (i = 0; CONTRIBS_LIST[i] != NULL; i++) {
 366                 if (g_utf8_validate(CONTRIBS_LIST[i], -1, NULL))
 367                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, CONTRIBS_LIST[i], -1,
 368                                         "indented-list-item", NULL);
 369                 else {
 370                         gchar *conv = conv_codeset_strdup(CONTRIBS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 371                         if (conv)
 372                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 373                                                 "indented-list-item", NULL);
 374                         g_free(conv);
 375                 }
 376                 ADD_TEXT("\n");
 377         }
 378
 379         return scrolledwin;
 380 }
 381
 382 static GtkWidget *about_create_child_page_features(void)
 383 {
 384         GtkWidget *scrolledwin;
 385         GtkWidget *text;
 386         GtkTextBuffer *buffer;
 387         GtkTextIter iter;
 388         GdkPixbuf *active_pixbuf;
 389         GdkPixbuf *inactive_pixbuf;
 390
 391         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 392         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 393                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 394         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 395                                             GTK_SHADOW_IN);
 396
 397         text = gtk_text_view_new();
 398         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 399         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 400         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 401         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 402         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 403         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 404         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 405
 406         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 407         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 408
 409         ADD_TEXT(_("Compiled-in Features"));
 410         ADD_TEXT("\n");
 411
 412         gtk_text_buffer_create_tag(buffer, "bold", "weight", PANGO_WEIGHT_BOLD,
 413                                    NULL);
 414
 415         stock_pixbuf_gdk(STOCK_PIXMAP_CHECKBOX_ON, &active_pixbuf);
 416         stock_pixbuf_gdk(STOCK_PIXMAP_CHECKBOX_OFF, &inactive_pixbuf);
 417
 418 #if HAVE_LIBCOMPFACE
 419         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 420 #else
 421         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 422 #endif
 423         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" compface "), -1,
 424                                                  "bold", NULL);
 425         gtk_text_buffer_insert(buffer, &iter,
 426                 (gchar *)C_("compface", "adds support for the X-Face header\n"), -1);
 427
 428 #if USE_ENCHANT
 429         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 430 #else
 431         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 432 #endif
 433         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" Enchant "), -1,
 434                                                  "bold", NULL);
 435         gtk_text_buffer_insert(buffer, &iter,
 436                 (gchar *)C_("Enchant", "adds support for spell checking\n"), -1);
 437
 438 #if USE_GNUTLS
 439         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 440 #else
 441         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 442 #endif
 443         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" GnuTLS "), -1,
 444                                                  "bold", NULL);
 445         gtk_text_buffer_insert(buffer, &iter,
 446                 (gchar *)C_("GnuTLS", "adds support for encrypted connections to servers\n"), -1);
 447
 448 #if INET6
 449         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 450 #else
 451         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 452 #endif
 453         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" IPv6 "), -1,
 454                                                  "bold", NULL);
 455         gtk_text_buffer_insert(buffer, &iter,
 456                 (gchar *)C_("IPv6", "adds support for IPv6 addresses, the new Internet "
 457                             "addressing protocol\n"), -1);
 458
 459 #if HAVE_ICONV
 460         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 461 #else
 462         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 463 #endif
 464         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" iconv "), -1,
 465                                                  "bold", NULL);
 466         gtk_text_buffer_insert(buffer, &iter,
 467                 (gchar *)C_("iconv", "allows converting to and from different character sets\n"), -1);
 468
 469 #if USE_JPILOT
 470         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 471 #else
 472         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 473 #endif
 474         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" JPilot "), -1,
 475                                                  "bold", NULL);
 476         gtk_text_buffer_insert(buffer, &iter,
 477                 (gchar *)C_("JPilot", "adds support for PalmOS addressbooks\n"), -1);
 478
 479 #if USE_LDAP
 480         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 481 #else
 482         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 483 #endif
 484         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" LDAP "), -1,
 485                                                  "bold", NULL);
 486         gtk_text_buffer_insert(buffer, &iter,
 487                 (gchar *)C_("LDAP", "adds support for LDAP shared addressbooks\n"), -1);
 488
 489 #if HAVE_LIBETPAN
 490         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 491 #else
 492         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 493 #endif
 494         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libetpan "), -1,
 495                                                  "bold", NULL);
 496         gtk_text_buffer_insert(buffer, &iter,
 497                 (gchar *)C_("libetpan", "adds support for IMAP and NNTP servers\n"), -1);
 498
 499 #if HAVE_LIBSM
 500         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 501 #else
 502         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 503 #endif
 504         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libSM "), -1,
 505                                                  "bold", NULL);
 506         gtk_text_buffer_insert(buffer, &iter,
 507                 (gchar *)C_("libSM", "adds support for session handling\n"), -1);
 508
 509 #if HAVE_NETWORKMANAGER_SUPPORT
 510         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 511 #else
 512         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 513 #endif
 514         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" NetworkManager "), -1,
 515                                                  "bold", NULL);
 516         gtk_text_buffer_insert(buffer, &iter,
 517                 (gchar *)C_("NetworkManager", "adds support for detection of network connection changes\n"), -1);
 518
 519 #if HAVE_SVG
 520         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 521 #else
 522         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 523 #endif
 524         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" librSVG "), -1,
 525                                                  "bold", NULL);
 526         gtk_text_buffer_insert(buffer, &iter,
 527                 (gchar *)C_("librSVG", "adds support for SVG themes\n"), -1);
 528
 529         return scrolledwin;
 530 }
 531
 532 static GtkWidget *about_create_child_page_license(void)
 533 {
 534         GtkWidget *scrolledwin;
 535         GtkWidget *text;
 536         GtkTextBuffer *buffer;
 537         GtkTextIter iter;
 538         GdkColor uri_color;
 539         GtkTextTag *tag;
 540
 541         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 542         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 543                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 544         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 545                                             GTK_SHADOW_IN);
 546
 547         text = gtk_text_view_new();
 548         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 549         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 550         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 551         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 552         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 553         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 554
 555         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 556         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 557
 558         ADD_TEXT(
 559                 _("This program is free software; you can redistribute it and/or modify "
 560                   "it under the terms of the GNU General Public License as published by "
 561                   "the Free Software Foundation; either version 3, or (at your option) "
 562                   "any later version."));
 563         ADD_TEXT("\n\n");
 564
 565         ADD_TEXT(
 566                 _("This program is distributed in the hope that it will be useful, "
 567                   "but WITHOUT ANY WARRANTY; without even the implied warranty of "
 568                   "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. "
 569                   "See the GNU General Public License for more details."));
 570         ADD_TEXT("\n\n");
 571
 572         /* textview link style (based upon main prefs) */
 573         gtkut_convert_int_to_gdk_color(prefs_common.color[COL_URI],
 574                         (GdkColor*)&uri_color);
 575
 576         tag = gtk_text_buffer_create_tag(buffer, "link",
 577                 "foreground-gdk", &uri_color,
 578                 NULL);
 579         gtk_text_buffer_create_tag(buffer, "link-hover",
 580                 "foreground-gdk", &uri_color,
 581                 "underline", PANGO_UNDERLINE_SINGLE,
 582                 NULL);
 583
 584         gtk_text_buffer_insert(buffer, &iter, g_strconcat(
 585                 _("You should have received a copy of the GNU General Public License "
 586                   "along with this program. If not, see "), "<", NULL), -1);
 587         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 588                 "http://www.gnu.org/licenses/", -1,
 589                 "link", NULL);
 590         gtk_text_buffer_insert(buffer, &iter, ">. \n\n", -1);
 591
 592         g_signal_connect(G_OBJECT(tag), "event",
 593                                 G_CALLBACK(about_textview_uri_clicked), text);
 594         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 595                          G_CALLBACK(about_textview_motion_notify), text);
 596         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 597                                 G_CALLBACK(about_textview_leave_notify), text);
 598
 599         return scrolledwin;
 600 }
 601
 602 #undef ADD_TEXT
 603
 604 static gboolean release_notes_available(void)
 605 {
 606         gboolean ret = FALSE;
 607         gchar *path = NULL;
 608
 609         path = g_strconcat(DOCDIR, G_DIR_SEPARATOR_S, RELEASE_NOTES_FILE, NULL);
 610         ret = (is_file_exist(path));
 611         g_free(path);
 612
 613         return ret;
 614 }
 615
 616 static GtkWidget *about_create_child_page_release_notes(void)
 617 {
 618         GtkWidget *scrolledwin;
 619         GtkWidget *text;
 620         GtkTextBuffer *buffer;
 621         GtkTextIter iter;
 622         gchar *path, buf[1024];
 623         FILE *fp;
 624
 625         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 626         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 627                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 628         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 629                         GTK_SHADOW_IN);
 630         text = gtk_text_view_new();
 631         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 632         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 633         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 634         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 635         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 636         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 637
 638         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 639         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 640
 641         path = g_strconcat(DOCDIR, G_DIR_SEPARATOR_S, RELEASE_NOTES_FILE, NULL);
 642         if ((fp = claws_fopen(path, "rb")) == NULL) {
 643                 if (ENOENT != errno) FILE_OP_ERROR(path, "claws_fopen");
 644                 g_free(path);
 645                 return scrolledwin;
 646         }
 647         g_free(path);
 648
 649         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 650                 const gchar *src_codeset = conv_get_locale_charset_str();
 651                 const gchar *dest_codeset = CS_UTF_8;
 652                 gchar *tmp;
 653
 654                 tmp = conv_codeset_strdup(buf, src_codeset, dest_codeset);
 655                 if (!tmp) {
 656                         g_warning("Failed to convert character set of action configuration");
 657                         tmp = g_strdup(buf);
 658                 }
 659
 660                 gtk_text_buffer_insert(buffer, &iter, tmp, -1);
 661                 g_free(tmp);
 662         }
 663         claws_fclose(fp);
 664
 665         return scrolledwin;
 666 }
 667
 668 static GtkWidget *about_create_child_page_session_stats(void)
 669 {
 670         GtkWidget *scrolledwin;
 671         GtkWidget *text;
 672         GtkTextIter iter;
 673
 674         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 675         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 676                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 677         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 678                         GTK_SHADOW_IN);
 679         text = gtk_text_view_new();
 680         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 681         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 682         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 683         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 684         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 685         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 686
 687         stats_text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 688
 689         gtk_text_buffer_get_iter_at_offset(stats_text_buffer, &iter, 0);
 690         gtk_text_buffer_create_tag(stats_text_buffer, "indented-list-item",
 691                                 "indent", 8,
 692                                 NULL);
 693         gtk_text_buffer_create_tag(stats_text_buffer, "underlined-list-title",
 694                                 "underline", PANGO_UNDERLINE_SINGLE,
 695                                 NULL);
 696         gtk_text_buffer_create_tag(stats_text_buffer, "bold", "weight", PANGO_WEIGHT_BOLD,
 697                                    NULL);
 698
 699         about_update_stats();
 700
 701         return scrolledwin;
 702 }
 703
 704 static void about_update_stats(void)
 705 {
 706         if (stats_text_buffer != NULL)
 707         {
 708                 GtkTextIter start, end, iter;
 709                 gchar buf[1024];
 710
 711                 gtk_text_buffer_get_start_iter(stats_text_buffer, &start);
 712                 gtk_text_buffer_get_end_iter(stats_text_buffer, &end);
 713                 gtk_text_buffer_delete(stats_text_buffer, &start, &end);
 714
 715                 gtk_text_buffer_get_iter_at_offset(stats_text_buffer, &iter, 0);
 716
 717                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter,
 718                                 (_("Session statistics\n")), -1,
 719                                 "underlined-list-title", NULL);
 720
 721                 if (prefs_common.date_format) {
 722                         struct tm *lt;
 723                         gint len = 100;
 724                         gchar date[len];
 725
 726                         lt = localtime(&session_stats.time_started);
 727                         fast_strftime(date, len, prefs_common.date_format, lt);
 728                         g_snprintf(buf, sizeof(buf), _("Started: %s\n"),
 729                                                 lt ? date : ctime(&session_stats.time_started));
 730                 } else
 731                         g_snprintf(buf, sizeof(buf), _("Started: %s\n"),
 732                                                 ctime(&session_stats.time_started));
 733                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 734                                 "indented-list-item", NULL);
 735
 736                 gtk_text_buffer_insert(stats_text_buffer, &iter, "\n", 1);
 737                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter,
 738                                 (_("Incoming traffic\n")), -1,
 739                                 "underlined-list-title", NULL);
 740
 741                 g_snprintf(buf, sizeof(buf), _("Received messages: %d\n"),
 742                                         session_stats.received);
 743                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 744                                 "indented-list-item", "bold", NULL);
 745
 746                 gtk_text_buffer_insert(stats_text_buffer, &iter, "\n", 1);
 747                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter,
 748                                 (_("Outgoing traffic\n")), -1,
 749                                 "underlined-list-title", NULL);
 750
 751                 g_snprintf(buf, sizeof(buf), _("New/redirected messages: %d\n"),
 752                                         session_stats.sent);
 753                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 754                                 "indented-list-item", NULL);
 755
 756                 g_snprintf(buf, sizeof(buf), _("Replied messages: %d\n"),
 757                                         session_stats.replied);
 758                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 759                                 "indented-list-item", NULL);
 760
 761                 g_snprintf(buf, sizeof(buf), _("Forwarded messages: %d\n"),
 762                                         session_stats.forwarded);
 763                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 764                                 "indented-list-item", NULL);
 765
 766                 g_snprintf(buf, sizeof(buf), _("Total outgoing messages: %d\n"),
 767                                         (session_stats.sent + session_stats.replied +
 768                                          session_stats.forwarded));
 769                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 770                                 "indented-list-item", "bold", NULL);
 771         }
 772 }
 773
 774 static void about_create(void)
 775 {
 776         GtkWidget *vbox1;
 777         GtkWidget *image;
 778         GtkWidget *vbox2;
 779         GtkWidget *label;
 780         GtkWidget *button;
 781         GtkWidget *scrolledwin;
 782         GtkWidget *notebook;
 783         GtkWidget *table;
 784         char *markup;
 785         GtkWidget *confirm_area;
 786         GtkWidget *close_button;
 787         static GdkGeometry geometry;
 788
 789         stats_text_buffer = NULL;
 790
 791         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "about");
 792         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER_ALWAYS);
 793         gtk_window_set_title(GTK_WINDOW(window), _("About Claws Mail"));
 794         gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
 795         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 796         gtk_widget_set_size_request(window, -1, -1);
 797         g_signal_connect(G_OBJECT(window), "size_allocate",
 798                          G_CALLBACK(about_size_allocate_cb), NULL);
 799         g_signal_connect(G_OBJECT(window), "size_allocate",
 800                          G_CALLBACK(about_size_allocate_cb), NULL);
 801         g_signal_connect(G_OBJECT(window), "delete_event",
 802                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 803         g_signal_connect(G_OBJECT(window), "key_press_event",
 804                          G_CALLBACK(key_pressed), NULL);
 805
 806         if (!geometry.min_width) {
 807                 geometry.min_width = 450;
 808                 geometry.min_height = 500;
 809         }
 810
 811         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 812                                       GDK_HINT_MIN_SIZE);
 813         gtk_window_set_default_size(GTK_WINDOW(window), prefs_common.aboutwin_width,
 814                                     prefs_common.aboutwin_height);
 815
 816         gtk_widget_realize(window);
 817
 818         vbox1 = gtk_vbox_new(FALSE, 8);
 819         gtk_container_add(GTK_CONTAINER(window), vbox1);
 820
 821         table = gtk_table_new (2, 1, FALSE);
 822         gtk_box_pack_start(GTK_BOX(vbox1), table,
 823                         FALSE, FALSE, 0);
 824         gtk_container_set_border_width (GTK_CONTAINER (table), 8);
 825         gtk_table_set_row_spacings (GTK_TABLE (table), 8);
 826         gtk_table_set_col_spacings (GTK_TABLE (table), 8);
 827
 828         image = stock_pixmap_widget(STOCK_PIXMAP_CLAWS_MAIL_LOGO);
 829         gtk_table_attach (GTK_TABLE (table), image, 0, 1, 0, 1,
 830                         (GtkAttachOptions) (GTK_EXPAND),
 831                         (GtkAttachOptions) (0), 0, 0);
 832
 833         vbox2 = gtk_vbox_new (FALSE, 4);
 834         gtk_table_attach (GTK_TABLE (table), vbox2, 1, 2, 0, 1,
 835                         (GtkAttachOptions) (GTK_EXPAND),
 836                         (GtkAttachOptions) (0), 0, 0);
 837
 838         label = gtk_label_new("");
 839         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 840         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 841         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 842         markup = g_markup_printf_escaped
 843                 ("<span weight=\"bold\" size=\"xx-large\">Claws Mail</span>\nversion %s",
 844                  VERSION);
 845         gtk_label_set_markup(GTK_LABEL(label), markup);
 846         g_free(markup);
 847
 848         button = gtkut_get_link_btn(window, HOMEPAGE_URI, " "HOMEPAGE_URI" ");
 849         gtk_box_pack_start(GTK_BOX(vbox2), button, FALSE, FALSE, 0);
 850 #ifndef GENERIC_UMPC
 851         label = gtk_label_new
 852                 (_("Copyright (C) 1999-2020\nThe Claws Mail Team\n"
 853                  "and Hiroyuki Yamamoto"));
 854         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 855         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 856         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 857         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 858 #endif
 859         notebook = gtk_notebook_new();
 860         gtk_widget_set_size_request(notebook, -1, 220);
 861         gtk_widget_show(notebook);
 862
 863         if ((scrolledwin = about_create_child_page_info()) != NULL) {
 864                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 865                                 scrolledwin,
 866                                 gtk_label_new_with_mnemonic(_("_Info")));
 867         }
 868
 869         if ((scrolledwin = about_create_child_page_authors()) != NULL) {
 870                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 871                                 scrolledwin,
 872                                 gtk_label_new_with_mnemonic(_("_Authors")));
 873         }
 874
 875         if ((scrolledwin = about_create_child_page_features()) != NULL) {
 876                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 877                                 scrolledwin,
 878                                 gtk_label_new_with_mnemonic(_("_Features")));
 879         }
 880
 881         if ((scrolledwin = about_create_child_page_license()) != NULL) {
 882                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 883                                 scrolledwin,
 884                                 gtk_label_new_with_mnemonic(_("_License")));
 885         }
 886
 887         if (release_notes_available() &&
 888                         (scrolledwin = about_create_child_page_release_notes()) != NULL) {
 889
 890                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 891                                 scrolledwin,
 892                                 gtk_label_new_with_mnemonic(_("_Release Notes")));
 893         }
 894
 895         if ((scrolledwin = about_create_child_page_session_stats()) != NULL) {
 896                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 897                                 scrolledwin,
 898                                 gtk_label_new_with_mnemonic(_("_Statistics")));
 899         }
 900
 901         gtk_box_pack_start(GTK_BOX(vbox1), notebook, TRUE, TRUE, 0);
 902
 903         gtkut_stock_button_set_create(&confirm_area, &close_button, GTK_STOCK_CLOSE,
 904                                       NULL, NULL, NULL, NULL);
 905         gtk_box_pack_end(GTK_BOX(vbox1), confirm_area, FALSE, FALSE, 4);
 906         gtk_widget_grab_default(close_button);
 907         gtk_widget_grab_focus(close_button);
 908         g_signal_connect_closure
 909                 (G_OBJECT(close_button), "clicked",
 910                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide_on_delete),
 911                                      window, NULL), FALSE);
 912
 913         gtk_widget_show_all(window);
 914 }
 915
 916 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event)
 917 {
 918         if (event && event->keyval == GDK_KEY_Escape)
 919                 gtk_widget_hide(window);
 920         return FALSE;
 921 }
 922
 923 static void about_size_allocate_cb(GtkWidget *widget,
 924                                    GtkAllocation *allocation)
 925 {
 926         cm_return_if_fail(allocation != NULL);
 927
 928         prefs_common.aboutwin_width = allocation->width;
 929         prefs_common.aboutwin_height = allocation->height;
 930 }
 931
 932
 933 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
 934                                         GdkEvent *event, GtkTextIter *iter,
 935                                         GtkWidget *textview)
 936 {
 937         GtkTextIter start_iter, end_iter;
 938         GdkEventButton *bevent;
 939         gchar *link = NULL;
 940
 941         if (!event || !tag) {
 942                 return FALSE;
 943         }
 944
 945         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
 946                 && event->type != GDK_BUTTON_RELEASE) {
 947                 return FALSE;
 948         }
 949
 950         /* get link text from tag */
 951         if (get_tag_range(iter, tag, &start_iter,
 952                                    &end_iter) == FALSE) {
 953                 return FALSE;
 954         }
 955         link = gtk_text_iter_get_text(&start_iter, &end_iter);
 956         if (link == NULL) {
 957                 return FALSE;
 958         }
 959
 960         bevent = (GdkEventButton *) event;
 961         if (bevent->button == 1 && event->type == GDK_BUTTON_RELEASE) {
 962                 GtkTextBuffer *buffer;
 963
 964                 /* we shouldn't follow a link if the user has selected something */
 965                 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 966                 gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter);
 967                 if (gtk_text_iter_get_offset(&start_iter) != gtk_text_iter_get_offset(&end_iter)) {
 968                         return FALSE;
 969                 }
 970                 /* open link and do *not* return TRUE so that
 971                    further gtk processing of the signal is done */
 972                 open_uri(link, prefs_common_get_uri_cmd());
 973
 974         } else {
 975                 if (bevent->button == 3 && event->type == GDK_BUTTON_PRESS) {
 976                         link_popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 977                                 gtk_ui_manager_get_widget(gtkut_ui_manager(), "/Menus/TextviewPopupLink")));
 978
 979                         g_object_set_data(
 980                                         G_OBJECT(link_popupmenu),
 981                                         "raw_url", link);
 982                         gtk_menu_popup(GTK_MENU(link_popupmenu),
 983                                         NULL, NULL, NULL, NULL,
 984                                         bevent->button, bevent->time);
 985
 986                         return TRUE;
 987                 }
 988         }
 989         return FALSE;
 990 }
 991
 992 static gboolean about_textview_motion_notify(GtkWidget *widget,
 993                                         GdkEventMotion *event,
 994                                         GtkWidget *textview)
 995 {
 996         about_textview_uri_update(textview, event->x, event->y);
 997         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
 998
 999         return FALSE;
1000 }
1001
1002 static gboolean about_textview_leave_notify(GtkWidget *widget,
1003                                         GdkEventCrossing *event,
1004                                         GtkWidget *textview)
1005 {
1006         about_textview_uri_update(textview, -1, -1);
1007
1008         return FALSE;
1009 }
1010
1011 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y)
1012 {
1013         GtkTextBuffer *buffer;
1014         GtkTextIter start_iter, end_iter;
1015         gchar *uri = NULL;
1016         gboolean same;
1017
1018         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
1019
1020         if (x != -1 && y != -1) {
1021                 gint bx, by;
1022                 GtkTextIter iter;
1023                 GSList *tags;
1024                 GSList *cur;
1025
1026                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview),
1027                                 GTK_TEXT_WINDOW_WIDGET,
1028                                 x, y, &bx, &by);
1029                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview),
1030                                 &iter, bx, by);
1031
1032                 tags = gtk_text_iter_get_tags(&iter);
1033                 for (cur = tags; cur != NULL; cur = cur->next) {
1034                         GtkTextTag *tag = cur->data;
1035                         char *name;
1036
1037                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
1038                         if (strcmp(name, "link") == 0
1039                             && get_tag_range(&iter, tag, &start_iter, &end_iter)) {
1040                                 uri = gtk_text_iter_get_text(&start_iter, &end_iter);
1041                         }
1042                         g_free(name);
1043
1044                         if (uri) {
1045                                 break;
1046                         }
1047                 }
1048                 g_slist_free(tags);
1049         }
1050
1051         /* compare previous hovered link and this one
1052            (here links must be unique in text buffer otherwise ClickableText structures should be
1053            used as in textview.c) */
1054         same = (uri != NULL && uri_hover != NULL
1055                 && strcmp((char*)uri, (char*)uri_hover) == 0);
1056
1057         if (same == FALSE) {
1058                 GdkWindow *window;
1059
1060                 if (uri_hover) {
1061                         gtk_text_buffer_remove_tag_by_name(buffer,
1062                                         "link-hover",
1063                                         &uri_hover_start_iter,
1064                                         &uri_hover_end_iter);
1065                 }
1066
1067                 uri_hover = uri;
1068                 if (uri) {
1069                         uri_hover_start_iter = start_iter;
1070                         uri_hover_end_iter = end_iter;
1071
1072                         gtk_text_buffer_apply_tag_by_name(buffer,
1073                                         "link-hover",
1074                                         &start_iter,
1075                                         &end_iter);
1076                 }
1077
1078                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview),
1079                                                 GTK_TEXT_WINDOW_TEXT);
1080                 if (!hand_cursor)
1081                         hand_cursor = gdk_cursor_new(GDK_HAND2);
1082                 if (!text_cursor)
1083                         text_cursor = gdk_cursor_new(GDK_XTERM);
1084                 gdk_window_set_cursor(window, uri ? hand_cursor : text_cursor);
1085         }
1086 }