src/gtk/about.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtkwidget.h>
  30 #include <gtk/gtkwindow.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtkhbox.h>
  34 #include <gtk/gtklabel.h>
  35 #include <gtk/gtkhseparator.h>
  36 #include <gtk/gtkscrolledwindow.h>
  37 #include <gtk/gtktext.h>
  38 #include <gtk/gtkbutton.h>
  39 #if HAVE_SYS_UTSNAME_H
  40 #  include <sys/utsname.h>
  41 #endif
  42
  43 #include "about.h"
  44 #include "gtkutils.h"
  45 #include "stock_pixmap.h"
  46 #include "prefs_common.h"
  47 #include "utils.h"
  48 #include "version.h"
  49 #include "authors.h"
  50 #include "codeconv.h"
  51 #include "menu.h"
  52 #include "textview.h"
  53
  54 static GtkWidget *window;
  55 static gchar* uri_hover = NULL;
  56 static GtkTextIter uri_hover_start_iter;
  57 static GtkTextIter uri_hover_end_iter;
  58 static GdkCursor *hand_cursor = NULL;
  59 static GdkCursor *text_cursor = NULL;
  60
  61 static void about_create(void);
  62 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event);
  63 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
  64                                         GdkEvent *event, GtkTextIter *iter,
  65                                         GtkWidget *textview);
  66 static void about_open_link_cb(GtkWidget *widget, guint action, void *data);
  67 static void about_copy_link_cb(GtkWidget *widget, guint action, void *data);
  68 static gboolean about_textview_motion_notify(GtkWidget *widget,
  69                                         GdkEventMotion *event,
  70                                         GtkWidget *textview);
  71 static gboolean about_textview_leave_notify(GtkWidget *widget,
  72                                         GdkEventCrossing *event,
  73                                         GtkWidget *textview);
  74 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y);
  75
  76 static GtkItemFactoryEntry textview_link_popup_entries[] =
  77 {
  78         {N_("/_Open with Web browser"), NULL, about_open_link_cb, 0, NULL},
  79         {N_("/Copy this _link"),        NULL, about_copy_link_cb, 0, NULL},
  80 };
  81
  82 static GtkWidget *link_popupmenu;
  83
  84
  85 void about_show(void)
  86 {
  87         if (!window)
  88                 about_create();
  89         else
  90                 gtk_window_present(GTK_WINDOW(window));
  91 }
  92
  93 static void about_create(void)
  94 {
  95         GtkWidget *vbox1;
  96         GtkWidget *table;
  97         GtkWidget *table2;
  98         GtkWidget *image;
  99         GtkWidget *vbox2;
 100         GtkWidget *label;
 101         GtkWidget *button;
 102         GtkWidget *scrolledwin;
 103         GtkWidget *notebook;
 104         char *markup;
 105         GtkWidget *text;
 106         GtkWidget *confirm_area;
 107         GtkWidget *close_button;
 108         GtkTextBuffer *buffer;
 109         GtkTextIter iter;
 110         GtkTextTag *tag;
 111         GdkColor uri_color;
 112 #if HAVE_SYS_UTSNAME_H
 113         struct utsname utsbuf;
 114 #endif
 115         gchar buf[1024];
 116         gint i;
 117
 118         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 119         gtk_window_set_title(GTK_WINDOW(window), _("About Claws Mail"));
 120         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 121         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 122         gtk_widget_set_size_request(window, -1, -1);
 123         g_signal_connect(G_OBJECT(window), "delete_event",
 124                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 125         g_signal_connect(G_OBJECT(window), "key_press_event",
 126                          G_CALLBACK(key_pressed), NULL);
 127         gtk_widget_realize(window);
 128
 129         vbox1 = gtk_vbox_new(FALSE, 0);
 130         gtk_container_add(GTK_CONTAINER(window), vbox1);
 131
 132         table = gtk_table_new (1, 2, FALSE);
 133         gtk_box_pack_start(GTK_BOX(vbox1), table, FALSE, FALSE, 0);
 134
 135         image = stock_pixmap_widget(window, STOCK_PIXMAP_CLAWS_MAIL_LOGO);
 136         gtk_table_attach(GTK_TABLE(table), image, 0, 1, 0, 1,
 137                          (GtkAttachOptions) (GTK_SHRINK),
 138                          (GtkAttachOptions) (GTK_SHRINK), 8, 0);
 139
 140         vbox2 = gtk_vbox_new (TRUE, 0);
 141         gtk_table_attach(GTK_TABLE(table), vbox2, 1, 2, 0, 1,
 142                          (GtkAttachOptions) (GTK_EXPAND),
 143                          (GtkAttachOptions) (GTK_FILL), 0, 0);
 144
 145         label = gtk_label_new("");
 146         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 147         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 148         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 149         markup = g_markup_printf_escaped
 150                 ("<span weight=\"bold\" size=\"xx-large\">Claws Mail</span>\nversion %s",
 151                  VERSION);
 152         gtk_label_set_markup(GTK_LABEL(label), markup);
 153         g_free(markup);
 154
 155         button = gtkut_get_link_btn(window, HOMEPAGE_URI, " "HOMEPAGE_URI" ");
 156         gtk_box_pack_start(GTK_BOX(vbox2), button, FALSE, FALSE, 0);
 157
 158 #if HAVE_SYS_UTSNAME_H
 159         uname(&utsbuf);
 160         g_snprintf(buf, sizeof(buf),
 161                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 162                      "Locale: %s (charset: %s)\n"
 163                      "Operating System: %s %s (%s)"),
 164                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 165                    glib_major_version, glib_minor_version, glib_micro_version,
 166                    conv_get_current_locale(), conv_get_locale_charset_str(),
 167                    utsbuf.sysname, utsbuf.release, utsbuf.machine);
 168 #elif defined(G_OS_WIN32)
 169         g_snprintf(buf, sizeof(buf),
 170                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 171                      "Locale: %s (charset: %s)\n"
 172                      "Operating System: %s"),
 173                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 174                    glib_major_version, glib_minor_version, glib_micro_version,
 175                    conv_get_current_locale(), conv_get_locale_charset_str(),
 176                    "Win32");
 177 #else
 178         g_snprintf(buf, sizeof(buf),
 179                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 180                      "Locale: %s (charset: %s)\n"
 181                      "Operating System: unknown"),
 182                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 183                    glib_major_version, glib_minor_version, glib_micro_version,
 184                    conv_get_current_locale(), conv_get_locale_charset_str());
 185 #endif
 186
 187         label = gtk_label_new(buf);
 188         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 189         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 190         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 191         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 192
 193         g_snprintf(buf, sizeof(buf),
 194                    _("Compiled-in features:\n%s"),
 195 #if USE_THREADS
 196                    " gthread"
 197 #endif
 198 #if INET6
 199                    " IPv6"
 200 #endif
 201 #if HAVE_ICONV
 202                    " iconv"
 203 #endif
 204 #if HAVE_LIBCOMPFACE
 205                    " compface"
 206 #endif
 207 #if USE_OPENSSL
 208                    " OpenSSL"
 209 #endif
 210 #if USE_LDAP
 211                    " LDAP"
 212 #endif
 213 #if USE_JPILOT
 214                    " JPilot"
 215 #endif
 216 #if USE_ASPELL
 217                    " GNU/aspell"
 218 #endif
 219 #if HAVE_LIBETPAN
 220                    " libetpan"
 221 #endif
 222 #if USE_GNOMEPRINT
 223                    " libgnomeprint"
 224 #endif
 225 #if HAVE_LIBSM
 226                    " libSM"
 227 #endif
 228         "");
 229
 230         label = gtk_label_new(buf);
 231         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 232         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 233         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 234         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 235
 236         table2 = gtk_table_new (2, 3, FALSE);
 237         gtk_box_pack_start(GTK_BOX(vbox1), table2, FALSE, FALSE, 0);
 238
 239         label = gtk_label_new
 240                 (_("Copyright (C) 1999-2006 Hiroyuki Yamamoto <hiro-y@kcn.ne.jp>\n"
 241                  "and the Claws Mail team"));
 242         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 243         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 244         gtk_table_attach(GTK_TABLE(table2), label, 0, 1, 0, 1,
 245                          (GtkAttachOptions) (GTK_EXPAND),
 246                          (GtkAttachOptions) (GTK_SHRINK), 0, 6);
 247
 248         notebook = gtk_notebook_new();
 249         gtk_widget_set_size_request(notebook, -1, 200);
 250         gtk_widget_show(notebook);
 251
 252         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 253         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 254                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 255         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 256                                             GTK_SHADOW_IN);
 257
 258         text = gtk_text_view_new();
 259         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 260         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 261         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 262         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 263         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 264         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 265         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 266
 267         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 268         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 269
 270         /* textview link style (based upon main prefs) */
 271         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 272                                 (GdkColor*)&uri_color);
 273         tag = gtk_text_buffer_create_tag(buffer, "link",
 274                                 "foreground-gdk", &uri_color,
 275                                 "wrap-mode", GTK_WRAP_NONE,
 276                                 NULL);
 277         gtk_text_buffer_create_tag(buffer, "link-hover",
 278                                 "foreground-gdk", &uri_color,
 279                                 "underline", PANGO_UNDERLINE_SINGLE,
 280                                 NULL);
 281
 282         gtk_text_buffer_insert(buffer, &iter, _(
 283                                 "Claws Mail is a lightweight, fast and "
 284                                 "highly-configurable email client.\n\n"
 285                                 "For further information visit the Sylpheed-"
 286                                 "Claws website:\n"), -1);
 287         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, HOMEPAGE_URI, -1,
 288                                 "link", NULL);
 289         gtk_text_buffer_insert(buffer, &iter, _("\n\n"
 290                                 "Claws Mail is free software released "
 291                                 "under the GPL license. If you wish to donate "
 292                                 "to the Claws Mail project you can do "
 293                                 "so at:\n"), -1);
 294         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DONATE_URI, -1,
 295                                 "link", NULL);
 296         gtk_text_buffer_insert(buffer, &iter, _("\n"), -1);
 297
 298         g_signal_connect(G_OBJECT(tag), "event",
 299                                 G_CALLBACK(about_textview_uri_clicked), text);
 300         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 301                                 G_CALLBACK(about_textview_motion_notify), text);
 302         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 303                                 G_CALLBACK(about_textview_leave_notify), text);
 304
 305         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 306                                 scrolledwin,
 307                                 gtk_label_new_with_mnemonic(_("_Info")));
 308
 309         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 310         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 311                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 312         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 313                                             GTK_SHADOW_IN);
 314
 315         text = gtk_text_view_new();
 316         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 317         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 318         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 319         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 320         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 321         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 322         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 323
 324         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 325         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 326
 327         /* init formatting tag: indentation  for list items */
 328         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 329                                 "indent", 24,
 330                                 NULL);
 331         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 332                                 "underline", PANGO_UNDERLINE_SINGLE,
 333                                 NULL);
 334
 335         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("The Claws Mail Team\n")), -1,
 336                         "underlined-list-title", NULL);
 337
 338         for (i = 0; TEAM_LIST[i] != NULL; i++) {
 339                 if (g_utf8_validate(TEAM_LIST[i], -1, NULL))
 340                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TEAM_LIST[i], -1,
 341                                         "indented-list-item", NULL);
 342                 else {
 343                         gchar *conv = conv_codeset_strdup(TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 344                         if (conv)
 345                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 346                                                 "indented-list-item", NULL);
 347                         g_free(conv);
 348                 }
 349                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 350         }
 351
 352         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nPrevious team members\n")), -1,
 353                         "underlined-list-title", NULL);
 354
 355         for (i = 0; EX_TEAM_LIST[i] != NULL; i++) {
 356                 if (g_utf8_validate(EX_TEAM_LIST[i], -1, NULL))
 357                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, EX_TEAM_LIST[i], -1,
 358                                         "indented-list-item", NULL);
 359                 else {
 360                         gchar *conv = conv_codeset_strdup(EX_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 361                         if (conv)
 362                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 363                                                 "indented-list-item", NULL);
 364                         g_free(conv);
 365                 }
 366                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 367         }
 368
 369         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nThe translation team\n")), -1,
 370                         "underlined-list-title", NULL);
 371
 372         for (i = 0; TRANS_TEAM_LIST[i] != NULL; i++) {
 373                 if (g_utf8_validate(TRANS_TEAM_LIST[i], -1, NULL))
 374                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TRANS_TEAM_LIST[i], -1,
 375                                         "indented-list-item", NULL);
 376                 else {
 377                         gchar *conv = conv_codeset_strdup(TRANS_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 378                         if (conv)
 379                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 380                                                 "indented-list-item", NULL);
 381                         g_free(conv);
 382                 }
 383                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 384         }
 385
 386         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nDocumentation team\n")), -1,
 387                         "underlined-list-title", NULL);
 388
 389         for (i = 0; DOC_TEAM_LIST[i] != NULL; i++) {
 390                 if (g_utf8_validate(DOC_TEAM_LIST[i], -1, NULL))
 391                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DOC_TEAM_LIST[i], -1,
 392                                         "indented-list-item", NULL);
 393                 else {
 394                         gchar *conv = conv_codeset_strdup(DOC_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 395                         if (conv)
 396                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 397                                                 "undeindented-list-itemitle", NULL);
 398                         g_free(conv);
 399                 }
 400                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 401         }
 402
 403         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nLogo\n")), -1,
 404                         "underlined-list-title", NULL);
 405
 406         for (i = 0; LOGO_LIST[i] != NULL; i++) {
 407                 if (g_utf8_validate(LOGO_LIST[i], -1, NULL))
 408                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, LOGO_LIST[i], -1,
 409                                         "indented-list-item", NULL);
 410                 else {
 411                         gchar *conv = conv_codeset_strdup(LOGO_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 412                         if (conv)
 413                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 414                                                 "indented-list-item", NULL);
 415                         g_free(conv);
 416                 }
 417                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 418         }
 419
 420         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nIcons\n")), -1,
 421                         "underlined-list-title", NULL);
 422
 423         for (i = 0; ICONS_LIST[i] != NULL; i++) {
 424                 if (g_utf8_validate(ICONS_LIST[i], -1, NULL))
 425                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ICONS_LIST[i], -1,
 426                                         "indented-list-item", NULL);
 427                 else {
 428                         gchar *conv = conv_codeset_strdup(ICONS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 429                         if (conv)
 430                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 431                                                 "indented-list-item", NULL);
 432                         g_free(conv);
 433                 }
 434                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 435         }
 436
 437         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nContributors\n")), -1,
 438                         "underlined-list-title", NULL);
 439
 440         for (i = 0; CONTRIBS_LIST[i] != NULL; i++) {
 441                 if (g_utf8_validate(CONTRIBS_LIST[i], -1, NULL))
 442                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, CONTRIBS_LIST[i], -1,
 443                                         "indented-list-item", NULL);
 444                 else {
 445                         gchar *conv = conv_codeset_strdup(CONTRIBS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 446                         if (conv)
 447                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 448                                                 "indented-list-item", NULL);
 449                         g_free(conv);
 450                 }
 451                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 452         }
 453
 454         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 455                                  scrolledwin,
 456                                  gtk_label_new_with_mnemonic(_("_Authors")));
 457
 458         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 459         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 460                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 461         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 462                                             GTK_SHADOW_IN);
 463
 464         text = gtk_text_view_new();
 465         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 466         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 467         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 468         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 469         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 470         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 471
 472         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 473         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 474
 475         gtk_text_buffer_insert(buffer, &iter,
 476                 _("This program is free software; you can redistribute it and/or modify "
 477                   "it under the terms of the GNU General Public License as published by "
 478                   "the Free Software Foundation; either version 2, or (at your option) "
 479                   "any later version.\n\n"), -1);
 480
 481         gtk_text_buffer_insert(buffer, &iter,
 482                 _("This program is distributed in the hope that it will be useful, "
 483                   "but WITHOUT ANY WARRANTY; without even the implied warranty of "
 484                   "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. "
 485                   "See the GNU General Public License for more details.\n\n"), -1);
 486
 487         gtk_text_buffer_insert(buffer, &iter,
 488                 _("You should have received a copy of the GNU General Public License "
 489                   "along with this program; if not, write to the Free Software "
 490                   "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, "
 491                   "MA 02110-1301, USA.\n\n"), -1);
 492 #ifdef USE_OPENSSL
 493         tag = gtk_text_buffer_create_tag(buffer, "link",
 494                 "foreground-gdk", &uri_color,
 495                 NULL);
 496         gtk_text_buffer_create_tag(buffer, "link-hover",
 497                 "foreground-gdk", &uri_color,
 498                 "underline", PANGO_UNDERLINE_SINGLE,
 499                 NULL);
 500
 501         gtk_text_buffer_insert(buffer, &iter,
 502                 _("This product includes software developed by the OpenSSL Project "
 503                   "for use in the OpenSSL Toolkit ("), -1);
 504         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, OPENSSL_URI, -1,
 505                 "link", NULL);
 506         gtk_text_buffer_insert(buffer, &iter, _(").\n"), -1);
 507
 508         g_signal_connect(G_OBJECT(tag), "event",
 509                                 G_CALLBACK(about_textview_uri_clicked), text);
 510         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 511                          G_CALLBACK(about_textview_motion_notify), text);
 512         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 513                                 G_CALLBACK(about_textview_leave_notify), text);
 514 #endif
 515
 516         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 517                                  scrolledwin,
 518                                  gtk_label_new_with_mnemonic(_("_License")));
 519
 520         gtk_box_pack_start(GTK_BOX(vbox1), notebook, TRUE, TRUE, 0);
 521
 522         gtkut_stock_button_set_create(&confirm_area, &close_button, GTK_STOCK_CLOSE,
 523                                       NULL, NULL, NULL, NULL);
 524         gtk_box_pack_end(GTK_BOX(vbox1), confirm_area, FALSE, FALSE, 4);
 525         gtk_widget_grab_default(close_button);
 526         gtk_widget_grab_focus(close_button);
 527         g_signal_connect_closure
 528                 (G_OBJECT(close_button), "clicked",
 529                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide_on_delete),
 530                                      window, NULL), FALSE);
 531
 532         gtk_widget_show_all(window);
 533 }
 534
 535 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event)
 536 {
 537         if (event && event->keyval == GDK_Escape)
 538                 gtk_widget_hide(window);
 539         return FALSE;
 540 }
 541
 542 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
 543                                         GdkEvent *event, GtkTextIter *iter,
 544                                         GtkWidget *textview)
 545 {
 546         GtkTextIter start_iter, end_iter;
 547         GdkEventButton *bevent;
 548         gchar *link = NULL;
 549
 550         if (!event || !tag) {
 551                 return FALSE;
 552         }
 553
 554         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
 555                 && event->type != GDK_BUTTON_RELEASE) {
 556                 return FALSE;
 557         }
 558
 559         /* get link text from tag */
 560         if (get_tag_range(iter, tag, &start_iter,
 561                                    &end_iter) == FALSE) {
 562                 return FALSE;
 563         }
 564         link = gtk_text_iter_get_text(&start_iter, &end_iter);
 565         if (link == NULL) {
 566                 return FALSE;
 567         }
 568
 569         bevent = (GdkEventButton *) event;
 570         if (bevent->button == 1 && event->type == GDK_BUTTON_RELEASE) {
 571                 GtkTextBuffer *buffer;
 572
 573                 /* we shouldn't follow a link if the user has selected something */
 574                 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 575                 gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter);
 576                 if (gtk_text_iter_get_offset(&start_iter) != gtk_text_iter_get_offset(&end_iter)) {
 577                         return FALSE;
 578                 }
 579                 /* open link and do *not* return TRUE so that
 580                    further gtk processing of the signal is done */
 581                 open_uri(link, prefs_common.uri_cmd);
 582
 583         } else {
 584                 if (bevent->button == 3 && event->type == GDK_BUTTON_PRESS) {
 585                         GtkItemFactory *link_popupfactory;
 586                         gint n_entries;
 587
 588                         n_entries = sizeof(textview_link_popup_entries) /
 589                                         sizeof(textview_link_popup_entries[0]);
 590                         link_popupmenu = menu_create_items(
 591                                                         textview_link_popup_entries, n_entries,
 592                                                 "<UriPopupMenu>", &link_popupfactory,
 593                                                 textview);
 594
 595                         g_object_set_data(
 596                                         G_OBJECT(link_popupmenu),
 597                                         "menu_button", link);
 598                         gtk_menu_popup(GTK_MENU(link_popupmenu),
 599                                         NULL, NULL, NULL, NULL,
 600                                         bevent->button, bevent->time);
 601
 602                         return TRUE;
 603                 }
 604         }
 605         return FALSE;
 606 }
 607
 608 static void about_open_link_cb(GtkWidget *widget, guint action, void *data)
 609 {
 610         gchar *link = g_object_get_data(G_OBJECT(link_popupmenu),
 611                                            "menu_button");
 612
 613         if (link == NULL) {
 614                 return;
 615         }
 616
 617         open_uri(link, prefs_common.uri_cmd);
 618         g_object_set_data(G_OBJECT(link_popupmenu), "menu_button",
 619                           NULL);
 620 }
 621
 622 static void about_copy_link_cb(GtkWidget *widget, guint action, void *data)
 623 {
 624         gchar *link = g_object_get_data(G_OBJECT(link_popupmenu),
 625                                            "menu_button");
 626
 627         if (link == NULL) {
 628                 return;
 629         }
 630
 631         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), link, -1);
 632         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), link, -1);
 633         g_object_set_data(G_OBJECT(link_popupmenu), "menu_button", NULL);
 634 }
 635
 636 static gboolean about_textview_motion_notify(GtkWidget *widget,
 637                                         GdkEventMotion *event,
 638                                         GtkWidget *textview)
 639 {
 640         about_textview_uri_update(textview, event->x, event->y);
 641         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
 642
 643         return FALSE;
 644 }
 645
 646 static gboolean about_textview_leave_notify(GtkWidget *widget,
 647                                         GdkEventCrossing *event,
 648                                         GtkWidget *textview)
 649 {
 650         about_textview_uri_update(textview, -1, -1);
 651
 652         return FALSE;
 653 }
 654
 655 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y)
 656 {
 657         GtkTextBuffer *buffer;
 658         GtkTextIter start_iter, end_iter;
 659         gchar *uri = NULL;
 660         gboolean same;
 661
 662         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 663
 664         if (x != -1 && y != -1) {
 665                 gint bx, by;
 666                 GtkTextIter iter;
 667                 GSList *tags;
 668                 GSList *cur;
 669
 670                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview),
 671                                 GTK_TEXT_WINDOW_WIDGET,
 672                                 x, y, &bx, &by);
 673                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview),
 674                                 &iter, bx, by);
 675
 676                 tags = gtk_text_iter_get_tags(&iter);
 677                 for (cur = tags; cur != NULL; cur = cur->next) {
 678                         GtkTextTag *tag = cur->data;
 679                         char *name;
 680
 681                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
 682                         if (strcmp(name, "link") == 0
 683                             && get_tag_range(&iter, tag, &start_iter, &end_iter)) {
 684                                 uri = gtk_text_iter_get_text(&start_iter, &end_iter);
 685                         }
 686                         g_free(name);
 687
 688                         if (uri) {
 689                                 break;
 690                         }
 691                 }
 692                 g_slist_free(tags);
 693         }
 694
 695         /* compare previous hovered link and this one
 696            (here links must be unique in text buffer otherwise ClickableText structures should be
 697            used as in textview.c) */
 698         same = (uri != NULL && uri_hover != NULL
 699                 && strcmp((char*)uri, (char*)uri_hover) == 0);
 700
 701         if (same == FALSE) {
 702                 GdkWindow *window;
 703
 704                 if (uri_hover) {
 705                         gtk_text_buffer_remove_tag_by_name(buffer,
 706                                         "link-hover",
 707                                         &uri_hover_start_iter,
 708                                         &uri_hover_end_iter);
 709                 }
 710
 711                 uri_hover = uri;
 712                 if (uri) {
 713                         uri_hover_start_iter = start_iter;
 714                         uri_hover_end_iter = end_iter;
 715
 716                         gtk_text_buffer_apply_tag_by_name(buffer,
 717                                         "link-hover",
 718                                         &start_iter,
 719                                         &end_iter);
 720                 }
 721
 722                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview),
 723                                                 GTK_TEXT_WINDOW_TEXT);
 724                 if (!hand_cursor)
 725                         hand_cursor = gdk_cursor_new(GDK_HAND2);
 726                 if (!text_cursor)
 727                         text_cursor = gdk_cursor_new(GDK_XTERM);
 728                 gdk_window_set_cursor(window, uri ? hand_cursor : text_cursor);
 729         }
 730 }