src/gtk/about.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2016 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
  47 extern SessionStats session_stats;
  48 static GtkTextBuffer *stats_text_buffer;
  49
  50 static GtkWidget *window;
  51 static gchar* uri_hover = NULL;
  52 static GtkTextIter uri_hover_start_iter;
  53 static GtkTextIter uri_hover_end_iter;
  54 static GdkCursor *hand_cursor = NULL;
  55 static GdkCursor *text_cursor = NULL;
  56
  57 static void about_create(void);
  58 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event);
  59 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
  60                                         GdkEvent *event, GtkTextIter *iter,
  61                                         GtkWidget *textview);
  62 static gboolean about_textview_motion_notify(GtkWidget *widget,
  63                                         GdkEventMotion *event,
  64                                         GtkWidget *textview);
  65 static gboolean about_textview_leave_notify(GtkWidget *widget,
  66                                         GdkEventCrossing *event,
  67                                         GtkWidget *textview);
  68 static void about_size_allocate_cb(GtkWidget *widget,
  69                                         GtkAllocation *allocation);
  70 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y);
  71 static void about_update_stats(void);
  72
  73 static GtkWidget *link_popupmenu;
  74
  75
  76 void about_show(void)
  77 {
  78         if (!window)
  79                 about_create();
  80         else {
  81                 about_update_stats();
  82                 gtk_window_present(GTK_WINDOW(window));
  83         }
  84
  85 }
  86
  87 static GtkWidget *about_create_child_page_info(void)
  88 {
  89         GtkWidget *scrolledwin;
  90         GtkWidget *text;
  91         GtkTextBuffer *buffer;
  92         GtkTextIter iter;
  93         GdkColor uri_color;
  94         gchar buf[1024];
  95         GtkTextTag *tag;
  96 #if HAVE_SYS_UTSNAME_H
  97         struct utsname utsbuf;
  98 #endif
  99
 100         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 101         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 102                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 103         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 104                                             GTK_SHADOW_IN);
 105
 106         text = gtk_text_view_new();
 107         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 108         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 109         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 110         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 111         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 112         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 113         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 114
 115         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 116         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 117
 118         /* textview link style (based upon main prefs) */
 119         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 120                                 (GdkColor*)&uri_color);
 121         tag = gtk_text_buffer_create_tag(buffer, "link",
 122                                 "foreground-gdk", &uri_color,
 123                                 "wrap-mode", GTK_WRAP_NONE,
 124                                 NULL);
 125         gtk_text_buffer_create_tag(buffer, "link-hover",
 126                                 "foreground-gdk", &uri_color,
 127                                 "underline", PANGO_UNDERLINE_SINGLE,
 128                                 NULL);
 129
 130         gtk_text_buffer_insert(buffer, &iter, _(
 131                                 "Claws Mail is a lightweight, fast and "
 132                                 "highly-configurable email client.\n\n"
 133                                 "For further information visit the Claws Mail "
 134                                 "website:\n"), -1);
 135         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, HOMEPAGE_URI, -1,
 136                                 "link", NULL);
 137         gtk_text_buffer_insert(buffer, &iter, _("\n\n"
 138                                 "For support and discussion subscribe to the Claws Mail "
 139                                 "users' mailing list:\n"),-1);
 140         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, USERS_ML_URI, -1,
 141                                 "link", NULL);
 142         gtk_text_buffer_insert(buffer, &iter, _("\n\n"
 143                                 "Claws Mail is free software released "
 144                                 "under the GPL. If you wish to donate "
 145                                 "to the Claws Mail project you can do "
 146                                 "so at:\n"), -1);
 147         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DONATE_URI, -1,
 148                                 "link", NULL);
 149
 150         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 151                                 "indent", 8,
 152                                 NULL);
 153         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 154                                 "underline", PANGO_UNDERLINE_SINGLE,
 155                                 NULL);
 156 #ifdef GENERIC_UMPC
 157         gtk_text_buffer_insert(buffer, &iter, _(
 158                                 "\n\nCopyright (C) 1999-2016\nThe Claws Mail Team\n"
 159                                 " and Hiroyuki Yamamoto"), -1);
 160 #endif
 161         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\n\nSystem Information\n")), -1,
 162                         "underlined-list-title", NULL);
 163
 164 #if HAVE_SYS_UTSNAME_H
 165         uname(&utsbuf);
 166         g_snprintf(buf, sizeof(buf),g_strconcat(
 167                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 168                      _("Locale: %s (charset: %s)\n"
 169                      "Operating System: %s %s (%s)"), NULL),
 170                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 171                    glib_major_version, glib_minor_version, glib_micro_version,
 172                    conv_get_current_locale(), conv_get_locale_charset_str(),
 173                    utsbuf.sysname, utsbuf.release, utsbuf.machine);
 174 #elif defined(G_OS_WIN32)
 175         g_snprintf(buf, sizeof(buf),g_strconcat(
 176                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 177                      _("Locale: %s (charset: %s)\n"
 178                      "Operating System: %s"), NULL),
 179                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 180                    glib_major_version, glib_minor_version, glib_micro_version,
 181                    conv_get_current_locale(), conv_get_locale_charset_str(),
 182                    "Win32");
 183 #else
 184         g_snprintf(buf, sizeof(buf),g_strconcat(
 185                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 186                      _("Locale: %s (charset: %s)\n"
 187                      "Operating System: unknown"), NULL),
 188                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 189                    glib_major_version, glib_minor_version, glib_micro_version,
 190                    conv_get_current_locale(), conv_get_locale_charset_str());
 191 #endif
 192
 193         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, buf, -1,
 194                                                  "indented-list-item", NULL);
 195
 196         gtk_text_buffer_insert(buffer, &iter, "\n", -1);
 197
 198         g_signal_connect(G_OBJECT(tag), "event",
 199                                 G_CALLBACK(about_textview_uri_clicked), text);
 200         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 201                                 G_CALLBACK(about_textview_motion_notify), text);
 202         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 203                                 G_CALLBACK(about_textview_leave_notify), text);
 204
 205         return scrolledwin;
 206 }
 207
 208 static GtkWidget *about_create_child_page_authors(void)
 209 {
 210         GtkWidget *scrolledwin;
 211         GtkWidget *text;
 212         GtkTextBuffer *buffer;
 213         GtkTextIter iter;
 214         gint i;
 215
 216         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 217         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 218                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 219         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 220                                             GTK_SHADOW_IN);
 221
 222         text = gtk_text_view_new();
 223         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 224         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 225         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 226         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 227         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 228         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 229         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 230
 231         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 232         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 233
 234         /* init formatting tag: indentation for list items */
 235         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 236                                 "indent", 8,
 237                                 NULL);
 238         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 239                                 "underline", PANGO_UNDERLINE_SINGLE,
 240                                 NULL);
 241
 242         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("The Claws Mail Team")), -1,
 243                         "underlined-list-title", NULL);
 244         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 245
 246         for (i = 0; TEAM_LIST[i] != NULL; i++) {
 247                 if (g_utf8_validate(TEAM_LIST[i], -1, NULL))
 248                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TEAM_LIST[i], -1,
 249                                         "indented-list-item", NULL);
 250                 else {
 251                         gchar *conv = conv_codeset_strdup(TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 252                         if (conv)
 253                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 254                                                 "indented-list-item", NULL);
 255                         g_free(conv);
 256                 }
 257                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 258         }
 259
 260         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 261         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Previous team members")), -1,
 262                         "underlined-list-title", NULL);
 263         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 264
 265         for (i = 0; EX_TEAM_LIST[i] != NULL; i++) {
 266                 if (g_utf8_validate(EX_TEAM_LIST[i], -1, NULL))
 267                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, EX_TEAM_LIST[i], -1,
 268                                         "indented-list-item", NULL);
 269                 else {
 270                         gchar *conv = conv_codeset_strdup(EX_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 271                         if (conv)
 272                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 273                                                 "indented-list-item", NULL);
 274                         g_free(conv);
 275                 }
 276                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 277         }
 278
 279         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 280         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("The translation team")), -1,
 281                         "underlined-list-title", NULL);
 282         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 283
 284         for (i = 0; TRANS_TEAM_LIST[i] != NULL; i++) {
 285                 if (g_utf8_validate(TRANS_TEAM_LIST[i], -1, NULL))
 286                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TRANS_TEAM_LIST[i], -1,
 287                                         "indented-list-item", NULL);
 288                 else {
 289                         gchar *conv = conv_codeset_strdup(TRANS_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 290                         if (conv)
 291                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 292                                                 "indented-list-item", NULL);
 293                         g_free(conv);
 294                 }
 295                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 296         }
 297
 298         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 299         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Documentation team")), -1,
 300                         "underlined-list-title", NULL);
 301         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 302
 303         for (i = 0; DOC_TEAM_LIST[i] != NULL; i++) {
 304                 if (g_utf8_validate(DOC_TEAM_LIST[i], -1, NULL))
 305                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DOC_TEAM_LIST[i], -1,
 306                                         "indented-list-item", NULL);
 307                 else {
 308                         gchar *conv = conv_codeset_strdup(DOC_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 309                         if (conv)
 310                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 311                                                 "indented-list-item", NULL);
 312                         g_free(conv);
 313                 }
 314                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 315         }
 316
 317         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 318         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Logo")), -1,
 319                         "underlined-list-title", NULL);
 320         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 321
 322         for (i = 0; LOGO_LIST[i] != NULL; i++) {
 323                 if (g_utf8_validate(LOGO_LIST[i], -1, NULL))
 324                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, LOGO_LIST[i], -1,
 325                                         "indented-list-item", NULL);
 326                 else {
 327                         gchar *conv = conv_codeset_strdup(LOGO_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 328                         if (conv)
 329                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 330                                                 "indented-list-item", NULL);
 331                         g_free(conv);
 332                 }
 333                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 334         }
 335
 336         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 337         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Icons")), -1,
 338                         "underlined-list-title", NULL);
 339         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 340
 341         for (i = 0; ICONS_LIST[i] != NULL; i++) {
 342                 if (g_utf8_validate(ICONS_LIST[i], -1, NULL))
 343                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ICONS_LIST[i], -1,
 344                                         "indented-list-item", NULL);
 345                 else {
 346                         gchar *conv = conv_codeset_strdup(ICONS_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(buffer, &iter, "\n", 1);
 356         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Contributors")), -1,
 357                         "underlined-list-title", NULL);
 358         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 359
 360         for (i = 0; CONTRIBS_LIST[i] != NULL; i++) {
 361                 if (g_utf8_validate(CONTRIBS_LIST[i], -1, NULL))
 362                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, CONTRIBS_LIST[i], -1,
 363                                         "indented-list-item", NULL);
 364                 else {
 365                         gchar *conv = conv_codeset_strdup(CONTRIBS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 366                         if (conv)
 367                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 368                                                 "indented-list-item", NULL);
 369                         g_free(conv);
 370                 }
 371                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 372         }
 373
 374         return scrolledwin;
 375 }
 376
 377 static GtkWidget *about_create_child_page_features(void)
 378 {
 379         GtkWidget *scrolledwin;
 380         GtkWidget *text;
 381         GtkTextBuffer *buffer;
 382         GtkTextIter iter;
 383         GdkPixbuf *active_pixbuf;
 384         GdkPixbuf *inactive_pixbuf;
 385
 386         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 387         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 388                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 389         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 390                                             GTK_SHADOW_IN);
 391
 392         text = gtk_text_view_new();
 393         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 394         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 395         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 396         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 397         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 398         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 399         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 400
 401         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 402         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 403
 404         gtk_text_buffer_insert(buffer, &iter, _("Compiled-in Features\n"), -1);
 405
 406         gtk_text_buffer_create_tag(buffer, "bold", "weight", PANGO_WEIGHT_BOLD,
 407                                    NULL);
 408
 409         stock_pixbuf_gdk(STOCK_PIXMAP_CHECKBOX_ON, &active_pixbuf);
 410         stock_pixbuf_gdk(STOCK_PIXMAP_CHECKBOX_OFF, &inactive_pixbuf);
 411
 412 #if HAVE_LIBCOMPFACE
 413         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 414 #else
 415         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 416 #endif
 417         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" compface "), -1,
 418                                                  "bold", NULL);
 419         gtk_text_buffer_insert(buffer, &iter,
 420                 (gchar *)C_("compface", "adds support for the X-Face header\n"), -1);
 421
 422 #if USE_ENCHANT
 423         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 424 #else
 425         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 426 #endif
 427         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" Enchant "), -1,
 428                                                  "bold", NULL);
 429         gtk_text_buffer_insert(buffer, &iter,
 430                 (gchar *)C_("Enchant", "adds support for spell checking\n"), -1);
 431
 432 #if USE_GNUTLS
 433         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 434 #else
 435         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 436 #endif
 437         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" GnuTLS "), -1,
 438                                                  "bold", NULL);
 439         gtk_text_buffer_insert(buffer, &iter,
 440                 (gchar *)C_("GnuTLS", "adds support for encrypted connections to servers\n"), -1);
 441
 442 #if INET6
 443         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 444 #else
 445         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 446 #endif
 447         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" IPv6 "), -1,
 448                                                  "bold", NULL);
 449         gtk_text_buffer_insert(buffer, &iter,
 450                 (gchar *)C_("IPv6", "adds support for IPv6 addresses, the new Internet "
 451                             "addressing protocol\n"), -1);
 452
 453 #if HAVE_ICONV
 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, (" iconv "), -1,
 459                                                  "bold", NULL);
 460         gtk_text_buffer_insert(buffer, &iter,
 461                 (gchar *)C_("iconv", "allows converting to and from different character sets\n"), -1);
 462
 463 #if USE_JPILOT
 464         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 465 #else
 466         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 467 #endif
 468         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" JPilot "), -1,
 469                                                  "bold", NULL);
 470         gtk_text_buffer_insert(buffer, &iter,
 471                 (gchar *)C_("JPilot", "adds support for PalmOS addressbooks\n"), -1);
 472
 473 #if USE_LDAP
 474         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 475 #else
 476         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 477 #endif
 478         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" LDAP "), -1,
 479                                                  "bold", NULL);
 480         gtk_text_buffer_insert(buffer, &iter,
 481                 (gchar *)C_("LDAP", "adds support for LDAP shared addressbooks\n"), -1);
 482
 483 #if HAVE_LIBETPAN
 484         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 485 #else
 486         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 487 #endif
 488         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libetpan "), -1,
 489                                                  "bold", NULL);
 490         gtk_text_buffer_insert(buffer, &iter,
 491                 (gchar *)C_("libetpan", "adds support for IMAP and NNTP servers\n"), -1);
 492
 493 #if HAVE_LIBSM
 494         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 495 #else
 496         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 497 #endif
 498         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libSM "), -1,
 499                                                  "bold", NULL);
 500         gtk_text_buffer_insert(buffer, &iter,
 501                 (gchar *)C_("libSM", "adds support for session handling\n"), -1);
 502
 503 #if HAVE_NETWORKMANAGER_SUPPORT
 504         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 505 #else
 506         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 507 #endif
 508         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" NetworkManager "), -1,
 509                                                  "bold", NULL);
 510         gtk_text_buffer_insert(buffer, &iter,
 511                 (gchar *)C_("NetworkManager", "adds support for detection of network connection changes\n"), -1);
 512
 513 #if HAVE_SVG
 514         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 515 #else
 516         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 517 #endif
 518         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" librSVG "), -1,
 519                                                  "bold", NULL);
 520         gtk_text_buffer_insert(buffer, &iter,
 521                 (gchar *)C_("librSVG", "adds support for SVG themes\n"), -1);
 522
 523         return scrolledwin;
 524 }
 525
 526 static GtkWidget *about_create_child_page_license(void)
 527 {
 528         GtkWidget *scrolledwin;
 529         GtkWidget *text;
 530         GtkTextBuffer *buffer;
 531         GtkTextIter iter;
 532         GdkColor uri_color;
 533         GtkTextTag *tag;
 534
 535         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 536         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 537                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 538         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 539                                             GTK_SHADOW_IN);
 540
 541         text = gtk_text_view_new();
 542         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 543         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 544         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 545         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 546         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 547         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 548
 549         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 550         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 551
 552         gtk_text_buffer_insert(buffer, &iter,
 553                 _("This program is free software; you can redistribute it and/or modify "
 554                   "it under the terms of the GNU General Public License as published by "
 555                   "the Free Software Foundation; either version 3, or (at your option) "
 556                   "any later version.\n\n"), -1);
 557
 558         gtk_text_buffer_insert(buffer, &iter,
 559                 _("This program is distributed in the hope that it will be useful, "
 560                   "but WITHOUT ANY WARRANTY; without even the implied warranty of "
 561                   "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. "
 562                   "See the GNU General Public License for more details.\n\n"), -1);
 563
 564         /* textview link style (based upon main prefs) */
 565         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 566                         (GdkColor*)&uri_color);
 567
 568         tag = gtk_text_buffer_create_tag(buffer, "link",
 569                 "foreground-gdk", &uri_color,
 570                 NULL);
 571         gtk_text_buffer_create_tag(buffer, "link-hover",
 572                 "foreground-gdk", &uri_color,
 573                 "underline", PANGO_UNDERLINE_SINGLE,
 574                 NULL);
 575
 576         gtk_text_buffer_insert(buffer, &iter, g_strconcat(
 577                 _("You should have received a copy of the GNU General Public License "
 578                   "along with this program. If not, see "), "<", NULL), -1);
 579         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 580                 "http://www.gnu.org/licenses/", -1,
 581                 "link", NULL);
 582         gtk_text_buffer_insert(buffer, &iter, ">. \n\n", -1);
 583
 584         g_signal_connect(G_OBJECT(tag), "event",
 585                                 G_CALLBACK(about_textview_uri_clicked), text);
 586         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 587                          G_CALLBACK(about_textview_motion_notify), text);
 588         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 589                                 G_CALLBACK(about_textview_leave_notify), text);
 590
 591         return scrolledwin;
 592 }
 593
 594 static gboolean release_notes_available(void)
 595 {
 596         gboolean ret = FALSE;
 597         gchar *path = NULL;
 598
 599         path = g_strconcat(DOCDIR, G_DIR_SEPARATOR_S, RELEASE_NOTES_FILE, NULL);
 600         ret = (is_file_exist(path));
 601         g_free(path);
 602
 603         return ret;
 604 }
 605
 606 static GtkWidget *about_create_child_page_release_notes(void)
 607 {
 608         GtkWidget *scrolledwin;
 609         GtkWidget *text;
 610         GtkTextBuffer *buffer;
 611         GtkTextIter iter;
 612         gchar *path, buf[1024];
 613         FILE *fp;
 614
 615         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 616         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 617                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 618         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 619                         GTK_SHADOW_IN);
 620         text = gtk_text_view_new();
 621         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 622         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 623         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 624         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 625         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 626         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 627
 628         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 629         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 630
 631         path = g_strconcat(DOCDIR, G_DIR_SEPARATOR_S, RELEASE_NOTES_FILE, NULL);
 632         if ((fp = g_fopen(path, "rb")) == NULL) {
 633                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 634                 g_free(path);
 635                 return scrolledwin;
 636         }
 637         g_free(path);
 638
 639         while (fgets(buf, sizeof(buf), fp) != NULL) {
 640                 const gchar *src_codeset = conv_get_locale_charset_str();
 641                 const gchar *dest_codeset = CS_UTF_8;
 642                 gchar *tmp;
 643
 644                 tmp = conv_codeset_strdup(buf, src_codeset, dest_codeset);
 645                 if (!tmp) {
 646                         g_warning("Failed to convert character set of action configuration");
 647                         tmp = g_strdup(buf);
 648                 }
 649
 650                 gtk_text_buffer_insert(buffer, &iter, tmp, -1);
 651                 g_free(tmp);
 652         }
 653         fclose(fp);
 654
 655         return scrolledwin;
 656 }
 657
 658 static GtkWidget *about_create_child_page_session_stats(void)
 659 {
 660         GtkWidget *scrolledwin;
 661         GtkWidget *text;
 662         GtkTextIter iter;
 663
 664         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 665         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 666                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 667         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 668                         GTK_SHADOW_IN);
 669         text = gtk_text_view_new();
 670         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 671         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 672         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 673         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 674         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 675         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 676
 677         stats_text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 678
 679         gtk_text_buffer_get_iter_at_offset(stats_text_buffer, &iter, 0);
 680         gtk_text_buffer_create_tag(stats_text_buffer, "indented-list-item",
 681                                 "indent", 8,
 682                                 NULL);
 683         gtk_text_buffer_create_tag(stats_text_buffer, "underlined-list-title",
 684                                 "underline", PANGO_UNDERLINE_SINGLE,
 685                                 NULL);
 686         gtk_text_buffer_create_tag(stats_text_buffer, "bold", "weight", PANGO_WEIGHT_BOLD,
 687                                    NULL);
 688
 689         about_update_stats();
 690
 691         return scrolledwin;
 692 }
 693
 694 static void about_update_stats(void)
 695 {
 696         if (stats_text_buffer != NULL)
 697         {
 698                 GtkTextIter start, end, iter;
 699                 gchar buf[1024];
 700
 701                 gtk_text_buffer_get_start_iter(stats_text_buffer, &start);
 702                 gtk_text_buffer_get_end_iter(stats_text_buffer, &end);
 703                 gtk_text_buffer_delete(stats_text_buffer, &start, &end);
 704
 705                 gtk_text_buffer_get_iter_at_offset(stats_text_buffer, &iter, 0);
 706
 707                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter,
 708                                 (_("Session statistics\n")), -1,
 709                                 "underlined-list-title", NULL);
 710
 711                 if (prefs_common.date_format) {
 712                         struct tm *lt;
 713                         gint len = 100;
 714                         gchar date[len];
 715
 716                         lt = localtime(&session_stats.time_started);
 717                         fast_strftime(date, len, prefs_common.date_format, lt);
 718                         g_snprintf(buf, sizeof(buf), _("Started: %s\n"),
 719                                                 lt ? date : ctime(&session_stats.time_started));
 720                 } else
 721                         g_snprintf(buf, sizeof(buf), _("Started: %s\n"),
 722                                                 ctime(&session_stats.time_started));
 723                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 724                                 "indented-list-item", NULL);
 725
 726                 gtk_text_buffer_insert(stats_text_buffer, &iter, "\n", 1);
 727                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter,
 728                                 (_("Incoming traffic\n")), -1,
 729                                 "underlined-list-title", NULL);
 730
 731                 g_snprintf(buf, sizeof(buf), _("Received messages: %d\n"),
 732                                         session_stats.received);
 733                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 734                                 "indented-list-item", "bold", 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                                 (_("Outgoing traffic\n")), -1,
 739                                 "underlined-list-title", NULL);
 740
 741                 g_snprintf(buf, sizeof(buf), _("New/redirected messages: %d\n"),
 742                                         session_stats.sent);
 743                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 744                                 "indented-list-item", NULL);
 745
 746                 g_snprintf(buf, sizeof(buf), _("Replied messages: %d\n"),
 747                                         session_stats.replied);
 748                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 749                                 "indented-list-item", NULL);
 750
 751                 g_snprintf(buf, sizeof(buf), _("Forwarded messages: %d\n"),
 752                                         session_stats.forwarded);
 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), _("Total outgoing messages: %d\n"),
 757                                         (session_stats.sent + session_stats.replied +
 758                                          session_stats.forwarded));
 759                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 760                                 "indented-list-item", "bold", NULL);
 761         }
 762 }
 763
 764 static void about_create(void)
 765 {
 766         GtkWidget *vbox1;
 767         GtkWidget *image;
 768         GtkWidget *vbox2;
 769         GtkWidget *label;
 770         GtkWidget *button;
 771         GtkWidget *scrolledwin;
 772         GtkWidget *notebook;
 773         GtkWidget *table;
 774         char *markup;
 775         GtkWidget *confirm_area;
 776         GtkWidget *close_button;
 777         static GdkGeometry geometry;
 778
 779         stats_text_buffer = NULL;
 780
 781         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "about");
 782         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER_ALWAYS);
 783         gtk_window_set_title(GTK_WINDOW(window), _("About Claws Mail"));
 784         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 785         gtk_widget_set_size_request(window, -1, -1);
 786         g_signal_connect(G_OBJECT(window), "size_allocate",
 787                          G_CALLBACK(about_size_allocate_cb), NULL);
 788         g_signal_connect(G_OBJECT(window), "size_allocate",
 789                          G_CALLBACK(about_size_allocate_cb), NULL);
 790         g_signal_connect(G_OBJECT(window), "delete_event",
 791                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 792         g_signal_connect(G_OBJECT(window), "key_press_event",
 793                          G_CALLBACK(key_pressed), NULL);
 794
 795         if (!geometry.min_width) {
 796                 geometry.min_width = 450;
 797                 geometry.min_height = 500;
 798         }
 799
 800         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 801                                       GDK_HINT_MIN_SIZE);
 802         gtk_window_set_default_size(GTK_WINDOW(window), prefs_common.aboutwin_width,
 803                                     prefs_common.aboutwin_height);
 804
 805         gtk_widget_realize(window);
 806
 807         vbox1 = gtk_vbox_new(FALSE, 8);
 808         gtk_container_add(GTK_CONTAINER(window), vbox1);
 809
 810         table = gtk_table_new (2, 1, FALSE);
 811         gtk_box_pack_start(GTK_BOX(vbox1), table,
 812                         FALSE, FALSE, 0);
 813         gtk_container_set_border_width (GTK_CONTAINER (table), 8);
 814         gtk_table_set_row_spacings (GTK_TABLE (table), 8);
 815         gtk_table_set_col_spacings (GTK_TABLE (table), 8);
 816
 817         image = stock_pixmap_widget(STOCK_PIXMAP_CLAWS_MAIL_LOGO);
 818         gtk_table_attach (GTK_TABLE (table), image, 0, 1, 0, 1,
 819                         (GtkAttachOptions) (GTK_EXPAND),
 820                         (GtkAttachOptions) (0), 0, 0);
 821
 822         vbox2 = gtk_vbox_new (FALSE, 4);
 823         gtk_table_attach (GTK_TABLE (table), vbox2, 1, 2, 0, 1,
 824                         (GtkAttachOptions) (GTK_EXPAND),
 825                         (GtkAttachOptions) (0), 0, 0);
 826
 827         label = gtk_label_new("");
 828         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 829         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 830         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 831         markup = g_markup_printf_escaped
 832                 ("<span weight=\"bold\" size=\"xx-large\">Claws Mail</span>\nversion %s",
 833                  VERSION_GIT_FULL);
 834         gtk_label_set_markup(GTK_LABEL(label), markup);
 835         g_free(markup);
 836
 837         button = gtkut_get_link_btn(window, HOMEPAGE_URI, " "HOMEPAGE_URI" ");
 838         gtk_box_pack_start(GTK_BOX(vbox2), button, FALSE, FALSE, 0);
 839 #ifndef GENERIC_UMPC
 840         label = gtk_label_new
 841                 (_("Copyright (C) 1999-2016\nThe Claws Mail Team\n"
 842                  "and Hiroyuki Yamamoto"));
 843         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 844         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 845         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 846         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 847 #endif
 848         notebook = gtk_notebook_new();
 849         gtk_widget_set_size_request(notebook, -1, 220);
 850         gtk_widget_show(notebook);
 851
 852         if ((scrolledwin = about_create_child_page_info()) != NULL) {
 853                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 854                                 scrolledwin,
 855                                 gtk_label_new_with_mnemonic(_("_Info")));
 856         }
 857
 858         if ((scrolledwin = about_create_child_page_authors()) != NULL) {
 859                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 860                                 scrolledwin,
 861                                 gtk_label_new_with_mnemonic(_("_Authors")));
 862         }
 863
 864         if ((scrolledwin = about_create_child_page_features()) != NULL) {
 865                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 866                                 scrolledwin,
 867                                 gtk_label_new_with_mnemonic(_("_Features")));
 868         }
 869
 870         if ((scrolledwin = about_create_child_page_license()) != NULL) {
 871                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 872                                 scrolledwin,
 873                                 gtk_label_new_with_mnemonic(_("_License")));
 874         }
 875
 876         if (release_notes_available() &&
 877                         (scrolledwin = about_create_child_page_release_notes()) != NULL) {
 878
 879                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 880                                 scrolledwin,
 881                                 gtk_label_new_with_mnemonic(_("_Release Notes")));
 882         }
 883
 884         if ((scrolledwin = about_create_child_page_session_stats()) != NULL) {
 885                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 886                                 scrolledwin,
 887                                 gtk_label_new_with_mnemonic(_("_Statistics")));
 888         }
 889
 890         gtk_box_pack_start(GTK_BOX(vbox1), notebook, TRUE, TRUE, 0);
 891
 892         gtkut_stock_button_set_create(&confirm_area, &close_button, GTK_STOCK_CLOSE,
 893                                       NULL, NULL, NULL, NULL);
 894         gtk_box_pack_end(GTK_BOX(vbox1), confirm_area, FALSE, FALSE, 4);
 895         gtk_widget_grab_default(close_button);
 896         gtk_widget_grab_focus(close_button);
 897         g_signal_connect_closure
 898                 (G_OBJECT(close_button), "clicked",
 899                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide_on_delete),
 900                                      window, NULL), FALSE);
 901
 902         gtk_widget_show_all(window);
 903 }
 904
 905 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event)
 906 {
 907         if (event && event->keyval == GDK_KEY_Escape)
 908                 gtk_widget_hide(window);
 909         return FALSE;
 910 }
 911
 912 static void about_size_allocate_cb(GtkWidget *widget,
 913                                    GtkAllocation *allocation)
 914 {
 915         cm_return_if_fail(allocation != NULL);
 916
 917         prefs_common.aboutwin_width = allocation->width;
 918         prefs_common.aboutwin_height = allocation->height;
 919 }
 920
 921
 922 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
 923                                         GdkEvent *event, GtkTextIter *iter,
 924                                         GtkWidget *textview)
 925 {
 926         GtkTextIter start_iter, end_iter;
 927         GdkEventButton *bevent;
 928         gchar *link = NULL;
 929
 930         if (!event || !tag) {
 931                 return FALSE;
 932         }
 933
 934         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
 935                 && event->type != GDK_BUTTON_RELEASE) {
 936                 return FALSE;
 937         }
 938
 939         /* get link text from tag */
 940         if (get_tag_range(iter, tag, &start_iter,
 941                                    &end_iter) == FALSE) {
 942                 return FALSE;
 943         }
 944         link = gtk_text_iter_get_text(&start_iter, &end_iter);
 945         if (link == NULL) {
 946                 return FALSE;
 947         }
 948
 949         bevent = (GdkEventButton *) event;
 950         if (bevent->button == 1 && event->type == GDK_BUTTON_RELEASE) {
 951                 GtkTextBuffer *buffer;
 952
 953                 /* we shouldn't follow a link if the user has selected something */
 954                 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 955                 gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter);
 956                 if (gtk_text_iter_get_offset(&start_iter) != gtk_text_iter_get_offset(&end_iter)) {
 957                         return FALSE;
 958                 }
 959                 /* open link and do *not* return TRUE so that
 960                    further gtk processing of the signal is done */
 961                 open_uri(link, prefs_common_get_uri_cmd());
 962
 963         } else {
 964                 if (bevent->button == 3 && event->type == GDK_BUTTON_PRESS) {
 965                         link_popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 966                                 gtk_ui_manager_get_widget(gtkut_ui_manager(), "/Menus/TextviewPopupLink")));
 967
 968                         g_object_set_data(
 969                                         G_OBJECT(link_popupmenu),
 970                                         "raw_url", link);
 971                         gtk_menu_popup(GTK_MENU(link_popupmenu),
 972                                         NULL, NULL, NULL, NULL,
 973                                         bevent->button, bevent->time);
 974
 975                         return TRUE;
 976                 }
 977         }
 978         return FALSE;
 979 }
 980
 981 static gboolean about_textview_motion_notify(GtkWidget *widget,
 982                                         GdkEventMotion *event,
 983                                         GtkWidget *textview)
 984 {
 985         about_textview_uri_update(textview, event->x, event->y);
 986         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
 987
 988         return FALSE;
 989 }
 990
 991 static gboolean about_textview_leave_notify(GtkWidget *widget,
 992                                         GdkEventCrossing *event,
 993                                         GtkWidget *textview)
 994 {
 995         about_textview_uri_update(textview, -1, -1);
 996
 997         return FALSE;
 998 }
 999
1000 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y)
1001 {
1002         GtkTextBuffer *buffer;
1003         GtkTextIter start_iter, end_iter;
1004         gchar *uri = NULL;
1005         gboolean same;
1006
1007         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
1008
1009         if (x != -1 && y != -1) {
1010                 gint bx, by;
1011                 GtkTextIter iter;
1012                 GSList *tags;
1013                 GSList *cur;
1014
1015                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview),
1016                                 GTK_TEXT_WINDOW_WIDGET,
1017                                 x, y, &bx, &by);
1018                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview),
1019                                 &iter, bx, by);
1020
1021                 tags = gtk_text_iter_get_tags(&iter);
1022                 for (cur = tags; cur != NULL; cur = cur->next) {
1023                         GtkTextTag *tag = cur->data;
1024                         char *name;
1025
1026                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
1027                         if (strcmp(name, "link") == 0
1028                             && get_tag_range(&iter, tag, &start_iter, &end_iter)) {
1029                                 uri = gtk_text_iter_get_text(&start_iter, &end_iter);
1030                         }
1031                         g_free(name);
1032
1033                         if (uri) {
1034                                 break;
1035                         }
1036                 }
1037                 g_slist_free(tags);
1038         }
1039
1040         /* compare previous hovered link and this one
1041            (here links must be unique in text buffer otherwise ClickableText structures should be
1042            used as in textview.c) */
1043         same = (uri != NULL && uri_hover != NULL
1044                 && strcmp((char*)uri, (char*)uri_hover) == 0);
1045
1046         if (same == FALSE) {
1047                 GdkWindow *window;
1048
1049                 if (uri_hover) {
1050                         gtk_text_buffer_remove_tag_by_name(buffer,
1051                                         "link-hover",
1052                                         &uri_hover_start_iter,
1053                                         &uri_hover_end_iter);
1054                 }
1055
1056                 uri_hover = uri;
1057                 if (uri) {
1058                         uri_hover_start_iter = start_iter;
1059                         uri_hover_end_iter = end_iter;
1060
1061                         gtk_text_buffer_apply_tag_by_name(buffer,
1062                                         "link-hover",
1063                                         &start_iter,
1064                                         &end_iter);
1065                 }
1066
1067                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview),
1068                                                 GTK_TEXT_WINDOW_TEXT);
1069                 if (!hand_cursor)
1070                         hand_cursor = gdk_cursor_new(GDK_HAND2);
1071                 if (!text_cursor)
1072                         text_cursor = gdk_cursor_new(GDK_XTERM);
1073                 gdk_window_set_cursor(window, uri ? hand_cursor : text_cursor);
1074         }
1075 }