src/gtk/about.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2017 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 #define ADD_TEXT(text) gtk_text_buffer_insert(buffer, &iter, text, -1)
  88
  89 static GtkWidget *about_create_child_page_info(void)
  90 {
  91         GtkWidget *scrolledwin;
  92         GtkWidget *text;
  93         GtkTextBuffer *buffer;
  94         GtkTextIter iter;
  95         GdkColor uri_color;
  96         gchar buf[1024];
  97         GtkTextTag *tag;
  98 #if HAVE_SYS_UTSNAME_H
  99         struct utsname utsbuf;
 100 #endif
 101
 102         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 103         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 104                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 105         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 106                                             GTK_SHADOW_IN);
 107
 108         text = gtk_text_view_new();
 109         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 110         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 111         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 112         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 113         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 114         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 115         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 116
 117         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 118         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 119
 120         /* textview link style (based upon main prefs) */
 121         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 122                                 (GdkColor*)&uri_color);
 123         tag = gtk_text_buffer_create_tag(buffer, "link",
 124                                 "foreground-gdk", &uri_color,
 125                                 "wrap-mode", GTK_WRAP_NONE,
 126                                 NULL);
 127         gtk_text_buffer_create_tag(buffer, "link-hover",
 128                                 "foreground-gdk", &uri_color,
 129                                 "underline", PANGO_UNDERLINE_SINGLE,
 130                                 NULL);
 131
 132         ADD_TEXT(_("Claws Mail is a lightweight, fast and highly-configurable "
 133                                 "email client."));
 134         ADD_TEXT("\n\n");
 135         ADD_TEXT(_("For further information visit the Claws Mail website:"));
 136         ADD_TEXT("\n");
 137         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, HOMEPAGE_URI, -1,
 138                                 "link", NULL);
 139         ADD_TEXT("\n\n");
 140         ADD_TEXT(_("For support and discussion subscribe to the Claws Mail "
 141                                 "users' mailing list:"));
 142         ADD_TEXT("\n");
 143         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, USERS_ML_URI, -1,
 144                                 "link", NULL);
 145         ADD_TEXT("\n\n");
 146         ADD_TEXT(_("Claws Mail is free software released "
 147                                 "under the GPL. If you wish to donate "
 148                                 "to the Claws Mail project you can do "
 149                                 "so at:"));
 150         ADD_TEXT("\n");
 151         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DONATE_URI, -1,
 152                                 "link", NULL);
 153
 154         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 155                                 "indent", 8,
 156                                 NULL);
 157         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 158                                 "underline", PANGO_UNDERLINE_SINGLE,
 159                                 NULL);
 160 #ifdef GENERIC_UMPC
 161         ADD_TEXT("\n\n");
 162         ADD_TEXT(_("Copyright (C) 1999-2017\nThe Claws Mail Team\n"
 163                                 " and Hiroyuki Yamamoto"));
 164 #endif
 165         ADD_TEXT("\n\n");
 166         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 167                         (_("System Information\n")), -1, "underlined-list-title", NULL);
 168
 169 #if HAVE_SYS_UTSNAME_H
 170         uname(&utsbuf);
 171         g_snprintf(buf, sizeof(buf),g_strconcat(
 172                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 173                      _("Locale: %s (charset: %s)\n"
 174                      "Operating System: %s %s (%s)"), NULL),
 175                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 176                    glib_major_version, glib_minor_version, glib_micro_version,
 177                    conv_get_current_locale(), conv_get_locale_charset_str(),
 178                    utsbuf.sysname, utsbuf.release, utsbuf.machine);
 179 #elif defined(G_OS_WIN32)
 180         g_snprintf(buf, sizeof(buf),g_strconcat(
 181                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 182                      _("Locale: %s (charset: %s)\n"
 183                      "Operating System: %s"), NULL),
 184                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 185                    glib_major_version, glib_minor_version, glib_micro_version,
 186                    conv_get_current_locale(), conv_get_locale_charset_str(),
 187                    "Win32");
 188 #else
 189         g_snprintf(buf, sizeof(buf),g_strconcat(
 190                        "GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 191                      _("Locale: %s (charset: %s)\n"
 192                      "Operating System: unknown"), NULL),
 193                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 194                    glib_major_version, glib_minor_version, glib_micro_version,
 195                    conv_get_current_locale(), conv_get_locale_charset_str());
 196 #endif
 197
 198         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, buf, -1,
 199                                                  "indented-list-item", NULL);
 200         ADD_TEXT("\n");
 201
 202         g_signal_connect(G_OBJECT(tag), "event",
 203                                 G_CALLBACK(about_textview_uri_clicked), text);
 204         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 205                                 G_CALLBACK(about_textview_motion_notify), text);
 206         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 207                                 G_CALLBACK(about_textview_leave_notify), text);
 208
 209         return scrolledwin;
 210 }
 211
 212 static GtkWidget *about_create_child_page_authors(void)
 213 {
 214         GtkWidget *scrolledwin;
 215         GtkWidget *text;
 216         GtkTextBuffer *buffer;
 217         GtkTextIter iter;
 218         gint i;
 219
 220         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 221         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 222                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 223         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 224                                             GTK_SHADOW_IN);
 225
 226         text = gtk_text_view_new();
 227         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 228         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 229         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 230         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 231         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 232         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 233         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 234
 235         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 236         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 237
 238         /* init formatting tag: indentation for list items */
 239         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 240                                 "indent", 8,
 241                                 NULL);
 242         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 243                                 "underline", PANGO_UNDERLINE_SINGLE,
 244                                 NULL);
 245
 246         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 247                         (_("The Claws Mail Team")), -1, "underlined-list-title", NULL);
 248         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 249
 250         for (i = 0; TEAM_LIST[i] != NULL; i++) {
 251                 if (g_utf8_validate(TEAM_LIST[i], -1, NULL))
 252                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TEAM_LIST[i], -1,
 253                                         "indented-list-item", NULL);
 254                 else {
 255                         gchar *conv = conv_codeset_strdup(TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 256                         if (conv)
 257                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 258                                                 "indented-list-item", NULL);
 259                         g_free(conv);
 260                 }
 261                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 262         }
 263
 264         ADD_TEXT("\n");
 265         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 266                         (_("Previous team members")), -1, "underlined-list-title", NULL);
 267         ADD_TEXT("\n");
 268
 269         for (i = 0; EX_TEAM_LIST[i] != NULL; i++) {
 270                 if (g_utf8_validate(EX_TEAM_LIST[i], -1, NULL))
 271                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, EX_TEAM_LIST[i], -1,
 272                                         "indented-list-item", NULL);
 273                 else {
 274                         gchar *conv = conv_codeset_strdup(EX_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 275                         if (conv)
 276                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 277                                                 "indented-list-item", NULL);
 278                         g_free(conv);
 279                 }
 280                 ADD_TEXT("\n");
 281         }
 282
 283         ADD_TEXT("\n");
 284         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 285                         (_("The translation team")), -1, "underlined-list-title", NULL);
 286         ADD_TEXT("\n");
 287
 288         for (i = 0; TRANS_TEAM_LIST[i] != NULL; i++) {
 289                 if (g_utf8_validate(TRANS_TEAM_LIST[i], -1, NULL))
 290                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TRANS_TEAM_LIST[i], -1,
 291                                         "indented-list-item", NULL);
 292                 else {
 293                         gchar *conv = conv_codeset_strdup(TRANS_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 294                         if (conv)
 295                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 296                                                 "indented-list-item", NULL);
 297                         g_free(conv);
 298                 }
 299                 ADD_TEXT("\n");
 300         }
 301
 302         ADD_TEXT("\n");
 303         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 304                         (_("Documentation team")), -1, "underlined-list-title", NULL);
 305         ADD_TEXT("\n");
 306
 307         for (i = 0; DOC_TEAM_LIST[i] != NULL; i++) {
 308                 if (g_utf8_validate(DOC_TEAM_LIST[i], -1, NULL))
 309                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DOC_TEAM_LIST[i], -1,
 310                                         "indented-list-item", NULL);
 311                 else {
 312                         gchar *conv = conv_codeset_strdup(DOC_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 313                         if (conv)
 314                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 315                                                 "indented-list-item", NULL);
 316                         g_free(conv);
 317                 }
 318                 ADD_TEXT("\n");
 319         }
 320
 321         ADD_TEXT("\n");
 322         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Logo")), -1,
 323                         "underlined-list-title", NULL);
 324         ADD_TEXT("\n");
 325
 326         for (i = 0; LOGO_LIST[i] != NULL; i++) {
 327                 if (g_utf8_validate(LOGO_LIST[i], -1, NULL))
 328                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, LOGO_LIST[i], -1,
 329                                         "indented-list-item", NULL);
 330                 else {
 331                         gchar *conv = conv_codeset_strdup(LOGO_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 332                         if (conv)
 333                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 334                                                 "indented-list-item", NULL);
 335                         g_free(conv);
 336                 }
 337                 ADD_TEXT("\n");
 338         }
 339
 340         ADD_TEXT("\n");
 341         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Icons")), -1,
 342                         "underlined-list-title", NULL);
 343         ADD_TEXT("\n");
 344
 345         for (i = 0; ICONS_LIST[i] != NULL; i++) {
 346                 if (g_utf8_validate(ICONS_LIST[i], -1, NULL))
 347                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ICONS_LIST[i], -1,
 348                                         "indented-list-item", NULL);
 349                 else {
 350                         gchar *conv = conv_codeset_strdup(ICONS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 351                         if (conv)
 352                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 353                                                 "indented-list-item", NULL);
 354                         g_free(conv);
 355                 }
 356                 ADD_TEXT("\n");
 357         }
 358
 359         ADD_TEXT("\n");
 360         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("Contributors")), -1,
 361                         "underlined-list-title", NULL);
 362         ADD_TEXT("\n");
 363
 364         for (i = 0; CONTRIBS_LIST[i] != NULL; i++) {
 365                 if (g_utf8_validate(CONTRIBS_LIST[i], -1, NULL))
 366                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, CONTRIBS_LIST[i], -1,
 367                                         "indented-list-item", NULL);
 368                 else {
 369                         gchar *conv = conv_codeset_strdup(CONTRIBS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 370                         if (conv)
 371                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 372                                                 "indented-list-item", NULL);
 373                         g_free(conv);
 374                 }
 375                 ADD_TEXT("\n");
 376         }
 377
 378         return scrolledwin;
 379 }
 380
 381 static GtkWidget *about_create_child_page_features(void)
 382 {
 383         GtkWidget *scrolledwin;
 384         GtkWidget *text;
 385         GtkTextBuffer *buffer;
 386         GtkTextIter iter;
 387         GdkPixbuf *active_pixbuf;
 388         GdkPixbuf *inactive_pixbuf;
 389
 390         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 391         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 392                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 393         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 394                                             GTK_SHADOW_IN);
 395
 396         text = gtk_text_view_new();
 397         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 398         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 399         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 400         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 401         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 402         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 403         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 404
 405         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 406         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 407
 408         ADD_TEXT(_("Compiled-in Features"));
 409         ADD_TEXT("\n");
 410
 411         gtk_text_buffer_create_tag(buffer, "bold", "weight", PANGO_WEIGHT_BOLD,
 412                                    NULL);
 413
 414         stock_pixbuf_gdk(STOCK_PIXMAP_CHECKBOX_ON, &active_pixbuf);
 415         stock_pixbuf_gdk(STOCK_PIXMAP_CHECKBOX_OFF, &inactive_pixbuf);
 416
 417 #if HAVE_LIBCOMPFACE
 418         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 419 #else
 420         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 421 #endif
 422         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" compface "), -1,
 423                                                  "bold", NULL);
 424         gtk_text_buffer_insert(buffer, &iter,
 425                 (gchar *)C_("compface", "adds support for the X-Face header\n"), -1);
 426
 427 #if USE_ENCHANT
 428         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 429 #else
 430         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 431 #endif
 432         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" Enchant "), -1,
 433                                                  "bold", NULL);
 434         gtk_text_buffer_insert(buffer, &iter,
 435                 (gchar *)C_("Enchant", "adds support for spell checking\n"), -1);
 436
 437 #if USE_GNUTLS
 438         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 439 #else
 440         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 441 #endif
 442         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" GnuTLS "), -1,
 443                                                  "bold", NULL);
 444         gtk_text_buffer_insert(buffer, &iter,
 445                 (gchar *)C_("GnuTLS", "adds support for encrypted connections to servers\n"), -1);
 446
 447 #if INET6
 448         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 449 #else
 450         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 451 #endif
 452         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" IPv6 "), -1,
 453                                                  "bold", NULL);
 454         gtk_text_buffer_insert(buffer, &iter,
 455                 (gchar *)C_("IPv6", "adds support for IPv6 addresses, the new Internet "
 456                             "addressing protocol\n"), -1);
 457
 458 #if HAVE_ICONV
 459         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 460 #else
 461         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 462 #endif
 463         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" iconv "), -1,
 464                                                  "bold", NULL);
 465         gtk_text_buffer_insert(buffer, &iter,
 466                 (gchar *)C_("iconv", "allows converting to and from different character sets\n"), -1);
 467
 468 #if USE_JPILOT
 469         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 470 #else
 471         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 472 #endif
 473         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" JPilot "), -1,
 474                                                  "bold", NULL);
 475         gtk_text_buffer_insert(buffer, &iter,
 476                 (gchar *)C_("JPilot", "adds support for PalmOS addressbooks\n"), -1);
 477
 478 #if USE_LDAP
 479         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 480 #else
 481         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 482 #endif
 483         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" LDAP "), -1,
 484                                                  "bold", NULL);
 485         gtk_text_buffer_insert(buffer, &iter,
 486                 (gchar *)C_("LDAP", "adds support for LDAP shared addressbooks\n"), -1);
 487
 488 #if HAVE_LIBETPAN
 489         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 490 #else
 491         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 492 #endif
 493         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libetpan "), -1,
 494                                                  "bold", NULL);
 495         gtk_text_buffer_insert(buffer, &iter,
 496                 (gchar *)C_("libetpan", "adds support for IMAP and NNTP servers\n"), -1);
 497
 498 #if HAVE_LIBSM
 499         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 500 #else
 501         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 502 #endif
 503         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" libSM "), -1,
 504                                                  "bold", NULL);
 505         gtk_text_buffer_insert(buffer, &iter,
 506                 (gchar *)C_("libSM", "adds support for session handling\n"), -1);
 507
 508 #if HAVE_NETWORKMANAGER_SUPPORT
 509         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 510 #else
 511         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 512 #endif
 513         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" NetworkManager "), -1,
 514                                                  "bold", NULL);
 515         gtk_text_buffer_insert(buffer, &iter,
 516                 (gchar *)C_("NetworkManager", "adds support for detection of network connection changes\n"), -1);
 517
 518 #if HAVE_SVG
 519         gtk_text_buffer_insert_pixbuf(buffer, &iter, active_pixbuf);
 520 #else
 521         gtk_text_buffer_insert_pixbuf(buffer, &iter, inactive_pixbuf);
 522 #endif
 523         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (" librSVG "), -1,
 524                                                  "bold", NULL);
 525         gtk_text_buffer_insert(buffer, &iter,
 526                 (gchar *)C_("librSVG", "adds support for SVG themes\n"), -1);
 527
 528         return scrolledwin;
 529 }
 530
 531 static GtkWidget *about_create_child_page_license(void)
 532 {
 533         GtkWidget *scrolledwin;
 534         GtkWidget *text;
 535         GtkTextBuffer *buffer;
 536         GtkTextIter iter;
 537         GdkColor uri_color;
 538         GtkTextTag *tag;
 539
 540         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 541         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 542                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 543         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 544                                             GTK_SHADOW_IN);
 545
 546         text = gtk_text_view_new();
 547         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 548         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 549         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 550         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 551         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 552         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 553
 554         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 555         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 556
 557         ADD_TEXT(
 558                 _("This program is free software; you can redistribute it and/or modify "
 559                   "it under the terms of the GNU General Public License as published by "
 560                   "the Free Software Foundation; either version 3, or (at your option) "
 561                   "any later version."));
 562         ADD_TEXT("\n\n");
 563
 564         ADD_TEXT(
 565                 _("This program is distributed in the hope that it will be useful, "
 566                   "but WITHOUT ANY WARRANTY; without even the implied warranty of "
 567                   "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. "
 568                   "See the GNU General Public License for more details."));
 569         ADD_TEXT("\n\n");
 570
 571         /* textview link style (based upon main prefs) */
 572         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 573                         (GdkColor*)&uri_color);
 574
 575         tag = gtk_text_buffer_create_tag(buffer, "link",
 576                 "foreground-gdk", &uri_color,
 577                 NULL);
 578         gtk_text_buffer_create_tag(buffer, "link-hover",
 579                 "foreground-gdk", &uri_color,
 580                 "underline", PANGO_UNDERLINE_SINGLE,
 581                 NULL);
 582
 583         gtk_text_buffer_insert(buffer, &iter, g_strconcat(
 584                 _("You should have received a copy of the GNU General Public License "
 585                   "along with this program. If not, see "), "<", NULL), -1);
 586         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
 587                 "http://www.gnu.org/licenses/", -1,
 588                 "link", NULL);
 589         gtk_text_buffer_insert(buffer, &iter, ">. \n\n", -1);
 590
 591         g_signal_connect(G_OBJECT(tag), "event",
 592                                 G_CALLBACK(about_textview_uri_clicked), text);
 593         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 594                          G_CALLBACK(about_textview_motion_notify), text);
 595         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 596                                 G_CALLBACK(about_textview_leave_notify), text);
 597
 598         return scrolledwin;
 599 }
 600
 601 #undef ADD_TEXT
 602
 603 static gboolean release_notes_available(void)
 604 {
 605         gboolean ret = FALSE;
 606         gchar *path = NULL;
 607
 608         path = g_strconcat(DOCDIR, G_DIR_SEPARATOR_S, RELEASE_NOTES_FILE, NULL);
 609         ret = (is_file_exist(path));
 610         g_free(path);
 611
 612         return ret;
 613 }
 614
 615 static GtkWidget *about_create_child_page_release_notes(void)
 616 {
 617         GtkWidget *scrolledwin;
 618         GtkWidget *text;
 619         GtkTextBuffer *buffer;
 620         GtkTextIter iter;
 621         gchar *path, buf[1024];
 622         FILE *fp;
 623
 624         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 625         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 626                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 627         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 628                         GTK_SHADOW_IN);
 629         text = gtk_text_view_new();
 630         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 631         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 632         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 633         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 634         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 635         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 636
 637         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 638         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 639
 640         path = g_strconcat(DOCDIR, G_DIR_SEPARATOR_S, RELEASE_NOTES_FILE, NULL);
 641         if ((fp = g_fopen(path, "rb")) == NULL) {
 642                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 643                 g_free(path);
 644                 return scrolledwin;
 645         }
 646         g_free(path);
 647
 648         while (fgets(buf, sizeof(buf), fp) != NULL) {
 649                 const gchar *src_codeset = conv_get_locale_charset_str();
 650                 const gchar *dest_codeset = CS_UTF_8;
 651                 gchar *tmp;
 652
 653                 tmp = conv_codeset_strdup(buf, src_codeset, dest_codeset);
 654                 if (!tmp) {
 655                         g_warning("Failed to convert character set of action configuration");
 656                         tmp = g_strdup(buf);
 657                 }
 658
 659                 gtk_text_buffer_insert(buffer, &iter, tmp, -1);
 660                 g_free(tmp);
 661         }
 662         fclose(fp);
 663
 664         return scrolledwin;
 665 }
 666
 667 static GtkWidget *about_create_child_page_session_stats(void)
 668 {
 669         GtkWidget *scrolledwin;
 670         GtkWidget *text;
 671         GtkTextIter iter;
 672
 673         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 674         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 675                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 676         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 677                         GTK_SHADOW_IN);
 678         text = gtk_text_view_new();
 679         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 680         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 681         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 682         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 683         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 684         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 685
 686         stats_text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 687
 688         gtk_text_buffer_get_iter_at_offset(stats_text_buffer, &iter, 0);
 689         gtk_text_buffer_create_tag(stats_text_buffer, "indented-list-item",
 690                                 "indent", 8,
 691                                 NULL);
 692         gtk_text_buffer_create_tag(stats_text_buffer, "underlined-list-title",
 693                                 "underline", PANGO_UNDERLINE_SINGLE,
 694                                 NULL);
 695         gtk_text_buffer_create_tag(stats_text_buffer, "bold", "weight", PANGO_WEIGHT_BOLD,
 696                                    NULL);
 697
 698         about_update_stats();
 699
 700         return scrolledwin;
 701 }
 702
 703 static void about_update_stats(void)
 704 {
 705         if (stats_text_buffer != NULL)
 706         {
 707                 GtkTextIter start, end, iter;
 708                 gchar buf[1024];
 709
 710                 gtk_text_buffer_get_start_iter(stats_text_buffer, &start);
 711                 gtk_text_buffer_get_end_iter(stats_text_buffer, &end);
 712                 gtk_text_buffer_delete(stats_text_buffer, &start, &end);
 713
 714                 gtk_text_buffer_get_iter_at_offset(stats_text_buffer, &iter, 0);
 715
 716                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter,
 717                                 (_("Session statistics\n")), -1,
 718                                 "underlined-list-title", NULL);
 719
 720                 if (prefs_common.date_format) {
 721                         struct tm *lt;
 722                         gint len = 100;
 723                         gchar date[len];
 724
 725                         lt = localtime(&session_stats.time_started);
 726                         fast_strftime(date, len, prefs_common.date_format, lt);
 727                         g_snprintf(buf, sizeof(buf), _("Started: %s\n"),
 728                                                 lt ? date : ctime(&session_stats.time_started));
 729                 } else
 730                         g_snprintf(buf, sizeof(buf), _("Started: %s\n"),
 731                                                 ctime(&session_stats.time_started));
 732                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 733                                 "indented-list-item", NULL);
 734
 735                 gtk_text_buffer_insert(stats_text_buffer, &iter, "\n", 1);
 736                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter,
 737                                 (_("Incoming traffic\n")), -1,
 738                                 "underlined-list-title", NULL);
 739
 740                 g_snprintf(buf, sizeof(buf), _("Received messages: %d\n"),
 741                                         session_stats.received);
 742                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 743                                 "indented-list-item", "bold", NULL);
 744
 745                 gtk_text_buffer_insert(stats_text_buffer, &iter, "\n", 1);
 746                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter,
 747                                 (_("Outgoing traffic\n")), -1,
 748                                 "underlined-list-title", NULL);
 749
 750                 g_snprintf(buf, sizeof(buf), _("New/redirected messages: %d\n"),
 751                                         session_stats.sent);
 752                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 753                                 "indented-list-item", NULL);
 754
 755                 g_snprintf(buf, sizeof(buf), _("Replied messages: %d\n"),
 756                                         session_stats.replied);
 757                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 758                                 "indented-list-item", NULL);
 759
 760                 g_snprintf(buf, sizeof(buf), _("Forwarded messages: %d\n"),
 761                                         session_stats.forwarded);
 762                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 763                                 "indented-list-item", NULL);
 764
 765                 g_snprintf(buf, sizeof(buf), _("Total outgoing messages: %d\n"),
 766                                         (session_stats.sent + session_stats.replied +
 767                                          session_stats.forwarded));
 768                 gtk_text_buffer_insert_with_tags_by_name(stats_text_buffer, &iter, buf, -1,
 769                                 "indented-list-item", "bold", NULL);
 770         }
 771 }
 772
 773 static void about_create(void)
 774 {
 775         GtkWidget *vbox1;
 776         GtkWidget *image;
 777         GtkWidget *vbox2;
 778         GtkWidget *label;
 779         GtkWidget *button;
 780         GtkWidget *scrolledwin;
 781         GtkWidget *notebook;
 782         GtkWidget *table;
 783         char *markup;
 784         GtkWidget *confirm_area;
 785         GtkWidget *close_button;
 786         static GdkGeometry geometry;
 787
 788         stats_text_buffer = NULL;
 789
 790         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "about");
 791         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER_ALWAYS);
 792         gtk_window_set_title(GTK_WINDOW(window), _("About Claws Mail"));
 793         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 794         gtk_widget_set_size_request(window, -1, -1);
 795         g_signal_connect(G_OBJECT(window), "size_allocate",
 796                          G_CALLBACK(about_size_allocate_cb), NULL);
 797         g_signal_connect(G_OBJECT(window), "size_allocate",
 798                          G_CALLBACK(about_size_allocate_cb), NULL);
 799         g_signal_connect(G_OBJECT(window), "delete_event",
 800                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 801         g_signal_connect(G_OBJECT(window), "key_press_event",
 802                          G_CALLBACK(key_pressed), NULL);
 803
 804         if (!geometry.min_width) {
 805                 geometry.min_width = 450;
 806                 geometry.min_height = 500;
 807         }
 808
 809         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 810                                       GDK_HINT_MIN_SIZE);
 811         gtk_window_set_default_size(GTK_WINDOW(window), prefs_common.aboutwin_width,
 812                                     prefs_common.aboutwin_height);
 813
 814         gtk_widget_realize(window);
 815
 816         vbox1 = gtk_vbox_new(FALSE, 8);
 817         gtk_container_add(GTK_CONTAINER(window), vbox1);
 818
 819         table = gtk_table_new (2, 1, FALSE);
 820         gtk_box_pack_start(GTK_BOX(vbox1), table,
 821                         FALSE, FALSE, 0);
 822         gtk_container_set_border_width (GTK_CONTAINER (table), 8);
 823         gtk_table_set_row_spacings (GTK_TABLE (table), 8);
 824         gtk_table_set_col_spacings (GTK_TABLE (table), 8);
 825
 826         image = stock_pixmap_widget(STOCK_PIXMAP_CLAWS_MAIL_LOGO);
 827         gtk_table_attach (GTK_TABLE (table), image, 0, 1, 0, 1,
 828                         (GtkAttachOptions) (GTK_EXPAND),
 829                         (GtkAttachOptions) (0), 0, 0);
 830
 831         vbox2 = gtk_vbox_new (FALSE, 4);
 832         gtk_table_attach (GTK_TABLE (table), vbox2, 1, 2, 0, 1,
 833                         (GtkAttachOptions) (GTK_EXPAND),
 834                         (GtkAttachOptions) (0), 0, 0);
 835
 836         label = gtk_label_new("");
 837         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 838         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 839         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 840         markup = g_markup_printf_escaped
 841                 ("<span weight=\"bold\" size=\"xx-large\">Claws Mail</span>\nversion %s",
 842                  VERSION_GIT_FULL);
 843         gtk_label_set_markup(GTK_LABEL(label), markup);
 844         g_free(markup);
 845
 846         button = gtkut_get_link_btn(window, HOMEPAGE_URI, " "HOMEPAGE_URI" ");
 847         gtk_box_pack_start(GTK_BOX(vbox2), button, FALSE, FALSE, 0);
 848 #ifndef GENERIC_UMPC
 849         label = gtk_label_new
 850                 (_("Copyright (C) 1999-2017\nThe Claws Mail Team\n"
 851                  "and Hiroyuki Yamamoto"));
 852         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 853         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 854         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 855         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 856 #endif
 857         notebook = gtk_notebook_new();
 858         gtk_widget_set_size_request(notebook, -1, 220);
 859         gtk_widget_show(notebook);
 860
 861         if ((scrolledwin = about_create_child_page_info()) != NULL) {
 862                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 863                                 scrolledwin,
 864                                 gtk_label_new_with_mnemonic(_("_Info")));
 865         }
 866
 867         if ((scrolledwin = about_create_child_page_authors()) != NULL) {
 868                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 869                                 scrolledwin,
 870                                 gtk_label_new_with_mnemonic(_("_Authors")));
 871         }
 872
 873         if ((scrolledwin = about_create_child_page_features()) != NULL) {
 874                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 875                                 scrolledwin,
 876                                 gtk_label_new_with_mnemonic(_("_Features")));
 877         }
 878
 879         if ((scrolledwin = about_create_child_page_license()) != NULL) {
 880                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 881                                 scrolledwin,
 882                                 gtk_label_new_with_mnemonic(_("_License")));
 883         }
 884
 885         if (release_notes_available() &&
 886                         (scrolledwin = about_create_child_page_release_notes()) != NULL) {
 887
 888                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 889                                 scrolledwin,
 890                                 gtk_label_new_with_mnemonic(_("_Release Notes")));
 891         }
 892
 893         if ((scrolledwin = about_create_child_page_session_stats()) != NULL) {
 894                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 895                                 scrolledwin,
 896                                 gtk_label_new_with_mnemonic(_("_Statistics")));
 897         }
 898
 899         gtk_box_pack_start(GTK_BOX(vbox1), notebook, TRUE, TRUE, 0);
 900
 901         gtkut_stock_button_set_create(&confirm_area, &close_button, GTK_STOCK_CLOSE,
 902                                       NULL, NULL, NULL, NULL);
 903         gtk_box_pack_end(GTK_BOX(vbox1), confirm_area, FALSE, FALSE, 4);
 904         gtk_widget_grab_default(close_button);
 905         gtk_widget_grab_focus(close_button);
 906         g_signal_connect_closure
 907                 (G_OBJECT(close_button), "clicked",
 908                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide_on_delete),
 909                                      window, NULL), FALSE);
 910
 911         gtk_widget_show_all(window);
 912 }
 913
 914 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event)
 915 {
 916         if (event && event->keyval == GDK_KEY_Escape)
 917                 gtk_widget_hide(window);
 918         return FALSE;
 919 }
 920
 921 static void about_size_allocate_cb(GtkWidget *widget,
 922                                    GtkAllocation *allocation)
 923 {
 924         cm_return_if_fail(allocation != NULL);
 925
 926         prefs_common.aboutwin_width = allocation->width;
 927         prefs_common.aboutwin_height = allocation->height;
 928 }
 929
 930
 931 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
 932                                         GdkEvent *event, GtkTextIter *iter,
 933                                         GtkWidget *textview)
 934 {
 935         GtkTextIter start_iter, end_iter;
 936         GdkEventButton *bevent;
 937         gchar *link = NULL;
 938
 939         if (!event || !tag) {
 940                 return FALSE;
 941         }
 942
 943         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
 944                 && event->type != GDK_BUTTON_RELEASE) {
 945                 return FALSE;
 946         }
 947
 948         /* get link text from tag */
 949         if (get_tag_range(iter, tag, &start_iter,
 950                                    &end_iter) == FALSE) {
 951                 return FALSE;
 952         }
 953         link = gtk_text_iter_get_text(&start_iter, &end_iter);
 954         if (link == NULL) {
 955                 return FALSE;
 956         }
 957
 958         bevent = (GdkEventButton *) event;
 959         if (bevent->button == 1 && event->type == GDK_BUTTON_RELEASE) {
 960                 GtkTextBuffer *buffer;
 961
 962                 /* we shouldn't follow a link if the user has selected something */
 963                 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 964                 gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter);
 965                 if (gtk_text_iter_get_offset(&start_iter) != gtk_text_iter_get_offset(&end_iter)) {
 966                         return FALSE;
 967                 }
 968                 /* open link and do *not* return TRUE so that
 969                    further gtk processing of the signal is done */
 970                 open_uri(link, prefs_common_get_uri_cmd());
 971
 972         } else {
 973                 if (bevent->button == 3 && event->type == GDK_BUTTON_PRESS) {
 974                         link_popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 975                                 gtk_ui_manager_get_widget(gtkut_ui_manager(), "/Menus/TextviewPopupLink")));
 976
 977                         g_object_set_data(
 978                                         G_OBJECT(link_popupmenu),
 979                                         "raw_url", link);
 980                         gtk_menu_popup(GTK_MENU(link_popupmenu),
 981                                         NULL, NULL, NULL, NULL,
 982                                         bevent->button, bevent->time);
 983
 984                         return TRUE;
 985                 }
 986         }
 987         return FALSE;
 988 }
 989
 990 static gboolean about_textview_motion_notify(GtkWidget *widget,
 991                                         GdkEventMotion *event,
 992                                         GtkWidget *textview)
 993 {
 994         about_textview_uri_update(textview, event->x, event->y);
 995         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
 996
 997         return FALSE;
 998 }
 999
1000 static gboolean about_textview_leave_notify(GtkWidget *widget,
1001                                         GdkEventCrossing *event,
1002                                         GtkWidget *textview)
1003 {
1004         about_textview_uri_update(textview, -1, -1);
1005
1006         return FALSE;
1007 }
1008
1009 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y)
1010 {
1011         GtkTextBuffer *buffer;
1012         GtkTextIter start_iter, end_iter;
1013         gchar *uri = NULL;
1014         gboolean same;
1015
1016         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
1017
1018         if (x != -1 && y != -1) {
1019                 gint bx, by;
1020                 GtkTextIter iter;
1021                 GSList *tags;
1022                 GSList *cur;
1023
1024                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview),
1025                                 GTK_TEXT_WINDOW_WIDGET,
1026                                 x, y, &bx, &by);
1027                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview),
1028                                 &iter, bx, by);
1029
1030                 tags = gtk_text_iter_get_tags(&iter);
1031                 for (cur = tags; cur != NULL; cur = cur->next) {
1032                         GtkTextTag *tag = cur->data;
1033                         char *name;
1034
1035                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
1036                         if (strcmp(name, "link") == 0
1037                             && get_tag_range(&iter, tag, &start_iter, &end_iter)) {
1038                                 uri = gtk_text_iter_get_text(&start_iter, &end_iter);
1039                         }
1040                         g_free(name);
1041
1042                         if (uri) {
1043                                 break;
1044                         }
1045                 }
1046                 g_slist_free(tags);
1047         }
1048
1049         /* compare previous hovered link and this one
1050            (here links must be unique in text buffer otherwise ClickableText structures should be
1051            used as in textview.c) */
1052         same = (uri != NULL && uri_hover != NULL
1053                 && strcmp((char*)uri, (char*)uri_hover) == 0);
1054
1055         if (same == FALSE) {
1056                 GdkWindow *window;
1057
1058                 if (uri_hover) {
1059                         gtk_text_buffer_remove_tag_by_name(buffer,
1060                                         "link-hover",
1061                                         &uri_hover_start_iter,
1062                                         &uri_hover_end_iter);
1063                 }
1064
1065                 uri_hover = uri;
1066                 if (uri) {
1067                         uri_hover_start_iter = start_iter;
1068                         uri_hover_end_iter = end_iter;
1069
1070                         gtk_text_buffer_apply_tag_by_name(buffer,
1071                                         "link-hover",
1072                                         &start_iter,
1073                                         &end_iter);
1074                 }
1075
1076                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview),
1077                                                 GTK_TEXT_WINDOW_TEXT);
1078                 if (!hand_cursor)
1079                         hand_cursor = gdk_cursor_new(GDK_HAND2);
1080                 if (!text_cursor)
1081                         text_cursor = gdk_cursor_new(GDK_XTERM);
1082                 gdk_window_set_cursor(window, uri ? hand_cursor : text_cursor);
1083         }
1084 }