src/gtk/about.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 Hiroyuki Yamamoto
   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 void about_uri_clicked(GtkButton *button, gpointer data);
  64 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
  65                                         GdkEvent *event, GtkTextIter *iter,
  66                                         GtkWidget *textview);
  67 static void about_open_link_cb(GtkWidget *widget, guint action, void *data);
  68 static void about_copy_link_cb(GtkWidget *widget, guint action, void *data);
  69 static gboolean about_textview_motion_notify(GtkWidget *widget,
  70                                         GdkEventMotion *event,
  71                                         GtkWidget *textview);
  72 static gboolean about_textview_leave_notify(GtkWidget *widget,
  73                                         GdkEventCrossing *event,
  74                                         GtkWidget *textview);
  75 static gboolean about_textview_visibility_notify(GtkWidget *widget,
  76                                         GdkEventVisibility *event,
  77                                         GtkWidget *textview);
  78 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y);
  79
  80 static GtkItemFactoryEntry textview_link_popup_entries[] =
  81 {
  82         {N_("/_Open with Web browser"), NULL, about_open_link_cb, 0, NULL},
  83         {N_("/Copy this _link"),        NULL, about_copy_link_cb, 0, NULL},
  84 };
  85
  86 static GtkWidget *link_popupmenu;
  87
  88
  89 void about_show(void)
  90 {
  91         if (!window)
  92                 about_create();
  93         else
  94                 gtk_window_present(GTK_WINDOW(window));
  95 }
  96
  97 static void about_create(void)
  98 {
  99         GtkWidget *vbox1;
 100         GtkWidget *table;
 101         GtkWidget *table2;
 102         GtkWidget *image;
 103         GtkWidget *vbox2;
 104         GtkWidget *label;
 105         GtkWidget *button;
 106         GtkWidget *scrolledwin;
 107         GtkWidget *notebook;
 108         GtkStyle *style;
 109         GdkColormap *cmap;
 110         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
 111         gboolean success[2];
 112         char *markup;
 113         GtkWidget *text;
 114         GtkWidget *confirm_area;
 115         GtkWidget *close_button;
 116         GtkTextBuffer *buffer;
 117         GtkTextIter iter;
 118         GtkTextTag *tag;
 119
 120 #if HAVE_SYS_UTSNAME_H
 121         struct utsname utsbuf;
 122 #endif
 123         gchar buf[1024];
 124         gint i;
 125
 126         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 127         gtk_window_set_title(GTK_WINDOW(window), _("About Sylpheed-Claws"));
 128         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 129         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 130         gtk_widget_set_size_request(window, -1, -1);
 131         g_signal_connect(G_OBJECT(window), "delete_event",
 132                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 133         g_signal_connect(G_OBJECT(window), "key_press_event",
 134                          G_CALLBACK(key_pressed), NULL);
 135         gtk_widget_realize(window);
 136
 137         vbox1 = gtk_vbox_new(FALSE, 0);
 138         gtk_container_add(GTK_CONTAINER(window), vbox1);
 139
 140         table = gtk_table_new (1, 2, FALSE);
 141         gtk_box_pack_start(GTK_BOX(vbox1), table, FALSE, FALSE, 0);
 142
 143         image = stock_pixmap_widget(window, STOCK_PIXMAP_SYLPHEED_LOGO);
 144         gtk_table_attach(GTK_TABLE(table), image, 0, 1, 0, 1,
 145                          (GtkAttachOptions) (GTK_SHRINK),
 146                          (GtkAttachOptions) (GTK_SHRINK), 8, 0);
 147
 148         vbox2 = gtk_vbox_new (TRUE, 0);
 149         gtk_table_attach(GTK_TABLE(table), vbox2, 1, 2, 0, 1,
 150                          (GtkAttachOptions) (GTK_EXPAND),
 151                          (GtkAttachOptions) (GTK_FILL), 0, 0);
 152
 153         label = gtk_label_new("");
 154         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 155         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 156         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 157         markup = g_markup_printf_escaped
 158                 ("<span weight=\"bold\" size=\"xx-large\">Sylpheed-Claws</span>\nversion %s",
 159                  VERSION);
 160         gtk_label_set_markup(GTK_LABEL(label), markup);
 161         g_free(markup);
 162
 163         button = gtk_button_new_with_label(" "HOMEPAGE_URI" ");
 164         gtk_box_pack_start(GTK_BOX(vbox2), button, FALSE, FALSE, 0);
 165         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
 166         g_signal_connect(G_OBJECT(button), "clicked",
 167                          G_CALLBACK(about_uri_clicked), NULL);
 168         buf[0] = ' ';
 169         for (i = 1; i <= strlen(HOMEPAGE_URI); i++) buf[i] = '_';
 170         strcpy(buf + i, " ");
 171         gtk_label_set_pattern(GTK_LABEL(GTK_BIN(button)->child), buf);
 172         cmap = gdk_drawable_get_colormap(window->window);
 173         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
 174         if (success[0] == TRUE && success[1] == TRUE) {
 175                 gtk_widget_ensure_style(GTK_BIN(button)->child);
 176                 style = gtk_style_copy
 177                         (gtk_widget_get_style(GTK_BIN(button)->child));
 178                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
 179                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
 180                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
 181                 gtk_widget_set_style(GTK_BIN(button)->child, style);
 182         } else
 183                 g_warning("about_create(): color allocation failed.\n");
 184
 185 #if HAVE_SYS_UTSNAME_H
 186         uname(&utsbuf);
 187         g_snprintf(buf, sizeof(buf),
 188                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 189                    "Operating System: %s %s (%s)"),
 190                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 191                    glib_major_version, glib_minor_version, glib_micro_version,
 192                    utsbuf.sysname, utsbuf.release, utsbuf.machine);
 193 #elif defined(G_OS_WIN32)
 194         g_snprintf(buf, sizeof(buf),
 195                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 196                    "Operating System: %s"),
 197                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 198                    glib_major_version, glib_minor_version, glib_micro_version,
 199                    "Win32");
 200 #else
 201         g_snprintf(buf, sizeof(buf),
 202                    _("GTK+ %d.%d.%d / GLib %d.%d.%d\n"
 203                    "Operating System: unknown"),
 204                    gtk_major_version, gtk_minor_version, gtk_micro_version,
 205                    glib_major_version, glib_minor_version, glib_micro_version);
 206 #endif
 207
 208         label = gtk_label_new(buf);
 209         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 210         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 211         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 212         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 213
 214         g_snprintf(buf, sizeof(buf),
 215                    _("Compiled-in features:\n%s"),
 216 #if USE_THREADS
 217                    " gthread"
 218 #endif
 219 #if INET6
 220                    " IPv6"
 221 #endif
 222 #if HAVE_ICONV
 223                    " iconv"
 224 #endif
 225 #if HAVE_LIBCOMPFACE
 226                    " compface"
 227 #endif
 228 #if USE_OPENSSL
 229                    " OpenSSL"
 230 #endif
 231 #if USE_LDAP
 232                    " LDAP"
 233 #endif
 234 #if USE_JPILOT
 235                    " JPilot"
 236 #endif
 237 #if USE_ASPELL
 238                    " GNU/aspell"
 239 #endif
 240 #if HAVE_LIBETPAN
 241                    " libetpan"
 242 #endif
 243 #if USE_GNOMEPRINT
 244                    " libgnomeprint"
 245 #endif
 246         "");
 247
 248         label = gtk_label_new(buf);
 249         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 250         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 251         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 252         gtk_box_pack_start(GTK_BOX(vbox2), label, FALSE, FALSE, 0);
 253
 254         table2 = gtk_table_new (2, 3, FALSE);
 255         gtk_box_pack_start(GTK_BOX(vbox1), table2, FALSE, FALSE, 0);
 256
 257         label = gtk_label_new
 258                 ("Copyright (C) 1999-2005 Hiroyuki Yamamoto <hiro-y@kcn.ne.jp>\n"
 259                  "and the Sylpheed-Claws team");
 260         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 261         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
 262         gtk_table_attach(GTK_TABLE(table2), label, 0, 1, 0, 1,
 263                          (GtkAttachOptions) (GTK_EXPAND),
 264                          (GtkAttachOptions) (GTK_SHRINK), 0, 6);
 265
 266         notebook = gtk_notebook_new();
 267         gtk_widget_set_size_request(notebook, -1, 200);
 268         gtk_widget_show(notebook);
 269
 270         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 271         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 272                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 273         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 274                                             GTK_SHADOW_IN);
 275
 276         text = gtk_text_view_new();
 277         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 278         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 279         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 280         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 281         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 282         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 283         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 284
 285         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 286         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 287
 288         /* textview link style (based upon main prefs) */
 289         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 290                                 (GdkColor*)&uri_color);
 291         tag = gtk_text_buffer_create_tag(buffer, "link",
 292                                 "foreground-gdk", &uri_color,
 293                                 "wrap-mode", GTK_WRAP_NONE,
 294                                 NULL);
 295         gtk_text_buffer_create_tag(buffer, "link-hover",
 296                                 "foreground-gdk", &uri_color,
 297                                 "underline", PANGO_UNDERLINE_SINGLE,
 298                                 NULL);
 299
 300         gtk_text_buffer_insert(buffer, &iter, _(
 301                                 "Sylpheed-Claws is a lightweight, fast and "
 302                                 "highly-configurable e-mail client.\n\n"
 303                                 "For further information visit the Sylpheed-"
 304                                 "Claws website:\n"), -1);
 305         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, HOMEPAGE_URI, -1,
 306                                 "link", NULL);
 307         gtk_text_buffer_insert(buffer, &iter, _("\n\n"
 308                                 "Sylpheed-Claws is free software released "
 309                                 "under the GPL license. If you wish to donate "
 310                                 "to the Sylpheed-Claws project you can do "
 311                                 "so at:\n"), -1);
 312         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DONATE_URI, -1,
 313                                 "link", NULL);
 314         gtk_text_buffer_insert(buffer, &iter, _("\n"), -1);
 315
 316         g_signal_connect(G_OBJECT(tag), "event",
 317                                 G_CALLBACK(about_textview_uri_clicked), text);
 318         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 319                                 G_CALLBACK(about_textview_motion_notify), text);
 320         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 321                                 G_CALLBACK(about_textview_leave_notify), text);
 322
 323         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 324                                 scrolledwin,
 325                                 gtk_label_new(_("Info")));
 326
 327         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 328         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 329                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 330         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 331                                             GTK_SHADOW_IN);
 332
 333         text = gtk_text_view_new();
 334         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 335         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 336         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 337         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 338         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 339         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 340         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 341
 342         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 343         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 344
 345         /* init formatting tag: indentation  for list items */
 346         gtk_text_buffer_create_tag(buffer, "indented-list-item",
 347                                 "indent", 24,
 348                                 NULL);
 349         gtk_text_buffer_create_tag(buffer, "underlined-list-title",
 350                                 "underline", PANGO_UNDERLINE_SINGLE,
 351                                 NULL);
 352
 353         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("The Sylpheed-Claws Team\n")), -1,
 354                         "underlined-list-title", NULL);
 355
 356         for (i = 0; TEAM_LIST[i] != NULL; i++) {
 357                 if (g_utf8_validate(TEAM_LIST[i], -1, NULL))
 358                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TEAM_LIST[i], -1,
 359                                         "indented-list-item", NULL);
 360                 else {
 361                         gchar *conv = conv_codeset_strdup(TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 362                         if (conv)
 363                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 364                                                 "indented-list-item", NULL);
 365                         g_free(conv);
 366                 }
 367                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 368         }
 369
 370         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nPrevious team members\n")), -1,
 371                         "underlined-list-title", NULL);
 372
 373         for (i = 0; EX_TEAM_LIST[i] != NULL; i++) {
 374                 if (g_utf8_validate(EX_TEAM_LIST[i], -1, NULL))
 375                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, EX_TEAM_LIST[i], -1,
 376                                         "indented-list-item", NULL);
 377                 else {
 378                         gchar *conv = conv_codeset_strdup(EX_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 379                         if (conv)
 380                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 381                                                 "indented-list-item", NULL);
 382                         g_free(conv);
 383                 }
 384                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 385         }
 386
 387         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nThe translation team\n")), -1,
 388                         "underlined-list-title", NULL);
 389
 390         for (i = 0; TRANS_TEAM_LIST[i] != NULL; i++) {
 391                 if (g_utf8_validate(TRANS_TEAM_LIST[i], -1, NULL))
 392                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, TRANS_TEAM_LIST[i], -1,
 393                                         "indented-list-item", NULL);
 394                 else {
 395                         gchar *conv = conv_codeset_strdup(TRANS_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 396                         if (conv)
 397                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 398                                                 "indented-list-item", NULL);
 399                         g_free(conv);
 400                 }
 401                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 402         }
 403
 404         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nDocumentation team\n")), -1,
 405                         "underlined-list-title", NULL);
 406
 407         for (i = 0; DOC_TEAM_LIST[i] != NULL; i++) {
 408                 if (g_utf8_validate(DOC_TEAM_LIST[i], -1, NULL))
 409                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, DOC_TEAM_LIST[i], -1,
 410                                         "indented-list-item", NULL);
 411                 else {
 412                         gchar *conv = conv_codeset_strdup(DOC_TEAM_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 413                         if (conv)
 414                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 415                                                 "undeindented-list-itemitle", NULL);
 416                         g_free(conv);
 417                 }
 418                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 419         }
 420
 421         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nLogo\n")), -1,
 422                         "underlined-list-title", NULL);
 423
 424         for (i = 0; LOGO_LIST[i] != NULL; i++) {
 425                 if (g_utf8_validate(LOGO_LIST[i], -1, NULL))
 426                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, LOGO_LIST[i], -1,
 427                                         "indented-list-item", NULL);
 428                 else {
 429                         gchar *conv = conv_codeset_strdup(LOGO_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 430                         if (conv)
 431                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 432                                                 "indented-list-item", NULL);
 433                         g_free(conv);
 434                 }
 435                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 436         }
 437
 438         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nIcons\n")), -1,
 439                         "underlined-list-title", NULL);
 440
 441         for (i = 0; ICONS_LIST[i] != NULL; i++) {
 442                 if (g_utf8_validate(ICONS_LIST[i], -1, NULL))
 443                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ICONS_LIST[i], -1,
 444                                         "indented-list-item", NULL);
 445                 else {
 446                         gchar *conv = conv_codeset_strdup(ICONS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 447                         if (conv)
 448                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 449                                                 "indented-list-item", NULL);
 450                         g_free(conv);
 451                 }
 452                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 453         }
 454
 455         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, (_("\nContributors\n")), -1,
 456                         "underlined-list-title", NULL);
 457
 458         for (i = 0; CONTRIBS_LIST[i] != NULL; i++) {
 459                 if (g_utf8_validate(CONTRIBS_LIST[i], -1, NULL))
 460                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, CONTRIBS_LIST[i], -1,
 461                                         "indented-list-item", NULL);
 462                 else {
 463                         gchar *conv = conv_codeset_strdup(CONTRIBS_LIST[i], CS_ISO_8859_1, CS_UTF_8);
 464                         if (conv)
 465                                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, conv, -1,
 466                                                 "indented-list-item", NULL);
 467                         g_free(conv);
 468                 }
 469                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 470         }
 471
 472         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 473                                  scrolledwin,
 474                                  gtk_label_new(_("Authors")));
 475
 476         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 477         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 478                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 479         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 480                                             GTK_SHADOW_IN);
 481
 482         text = gtk_text_view_new();
 483         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 484         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 485         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 486         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 487         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 488         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 489
 490         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 491         gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
 492
 493         gtk_text_buffer_insert(buffer, &iter,
 494                 _("This program is free software; you can redistribute it and/or modify "
 495                   "it under the terms of the GNU General Public License as published by "
 496                   "the Free Software Foundation; either version 2, or (at your option) "
 497                   "any later version.\n\n"), -1);
 498
 499         gtk_text_buffer_insert(buffer, &iter,
 500                 _("This program is distributed in the hope that it will be useful, "
 501                   "but WITHOUT ANY WARRANTY; without even the implied warranty of "
 502                   "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. "
 503                   "See the GNU General Public License for more details.\n\n"), -1);
 504
 505         gtk_text_buffer_insert(buffer, &iter,
 506                 _("You should have received a copy of the GNU General Public License "
 507                   "along with this program; if not, write to the Free Software "
 508                   "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, "
 509                   "MA 02110-1301, USA.\n\n"), -1);
 510 #ifdef USE_OPENSSL
 511         tag = gtk_text_buffer_create_tag(buffer, "link",
 512                 "foreground-gdk", &uri_color,
 513                 NULL);
 514         gtk_text_buffer_create_tag(buffer, "link-hover",
 515                 "foreground-gdk", &uri_color,
 516                 "underline", PANGO_UNDERLINE_SINGLE,
 517                 NULL);
 518
 519         gtk_text_buffer_insert(buffer, &iter,
 520                 _("This product includes software developed by the OpenSSL Project "
 521                   "for use in the OpenSSL Toolkit ("), -1);
 522         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "http://www.openssl.org/", -1,
 523                 "link", NULL);
 524         gtk_text_buffer_insert(buffer, &iter, _(").\n"), -1);
 525
 526         g_signal_connect(G_OBJECT(tag), "event",
 527                                 G_CALLBACK(about_textview_uri_clicked), text);
 528         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 529                          G_CALLBACK(about_textview_motion_notify), text);
 530         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 531                                 G_CALLBACK(about_textview_leave_notify), text);
 532 #endif
 533
 534         gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
 535                                  scrolledwin,
 536                                  gtk_label_new(_("License")));
 537
 538         gtk_box_pack_start(GTK_BOX(vbox1), notebook, TRUE, TRUE, 0);
 539
 540         gtkut_stock_button_set_create(&confirm_area, &close_button, GTK_STOCK_CLOSE,
 541                                       NULL, NULL, NULL, NULL);
 542         gtk_box_pack_end(GTK_BOX(vbox1), confirm_area, FALSE, FALSE, 4);
 543         gtk_widget_grab_default(close_button);
 544         gtk_widget_grab_focus(close_button);
 545         g_signal_connect_closure
 546                 (G_OBJECT(close_button), "clicked",
 547                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide_on_delete),
 548                                      window, NULL), FALSE);
 549
 550         gtk_widget_show_all(window);
 551 }
 552
 553 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event)
 554 {
 555         if (event && event->keyval == GDK_Escape)
 556                 gtk_widget_hide(window);
 557         return FALSE;
 558 }
 559
 560 static void about_uri_clicked(GtkButton *button, gpointer data)
 561 {
 562         open_uri(HOMEPAGE_URI, prefs_common.uri_cmd);
 563 }
 564
 565 static gboolean about_textview_uri_clicked(GtkTextTag *tag, GObject *obj,
 566                                         GdkEvent *event, GtkTextIter *iter,
 567                                         GtkWidget *textview)
 568 {
 569         GtkTextIter start_iter, end_iter;
 570         GdkEventButton *bevent;
 571         gchar *link = NULL;
 572
 573         if (!event || !tag) {
 574                 return FALSE;
 575         }
 576
 577         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
 578                 && event->type != GDK_BUTTON_RELEASE) {
 579                 return FALSE;
 580         }
 581
 582         /* get link text from tag */
 583         if (get_tag_range(iter, tag, &start_iter,
 584                                    &end_iter) == FALSE) {
 585                 return FALSE;
 586         }
 587         link = gtk_text_iter_get_text(&start_iter, &end_iter);
 588         if (link == NULL) {
 589                 return FALSE;
 590         }
 591
 592         bevent = (GdkEventButton *) event;
 593         if (bevent->button == 1 && event->type == GDK_BUTTON_RELEASE) {
 594                 GtkTextBuffer *buffer;
 595
 596                 /* we shouldn't follow a link if the user has selected something */
 597                 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 598                 gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter);
 599                 if (gtk_text_iter_get_offset(&start_iter) != gtk_text_iter_get_offset(&end_iter)) {
 600                         return FALSE;
 601                 }
 602                 /* open link and do *not* return TRUE so that
 603                    further gtk processing of the signal is done */
 604                 open_uri(link, prefs_common.uri_cmd);
 605
 606         } else {
 607                 if (bevent->button == 3 && event->type == GDK_BUTTON_PRESS) {
 608                         GtkItemFactory *link_popupfactory;
 609                         gint n_entries;
 610
 611                         n_entries = sizeof(textview_link_popup_entries) /
 612                                         sizeof(textview_link_popup_entries[0]);
 613                         link_popupmenu = menu_create_items(
 614                                                         textview_link_popup_entries, n_entries,
 615                                                 "<UriPopupMenu>", &link_popupfactory,
 616                                                 textview);
 617
 618                         g_object_set_data(
 619                                         G_OBJECT(link_popupmenu),
 620                                         "menu_button", link);
 621                         gtk_menu_popup(GTK_MENU(link_popupmenu),
 622                                         NULL, NULL, NULL, NULL,
 623                                         bevent->button, bevent->time);
 624
 625                         return TRUE;
 626                 }
 627         }
 628         return FALSE;
 629 }
 630
 631 static void about_open_link_cb(GtkWidget *widget, guint action, void *data)
 632 {
 633         gchar *link = g_object_get_data(G_OBJECT(link_popupmenu),
 634                                            "menu_button");
 635
 636         if (link == NULL) {
 637                 return;
 638         }
 639
 640         open_uri(link, prefs_common.uri_cmd);
 641         g_object_set_data(G_OBJECT(link_popupmenu), "menu_button",
 642                           NULL);
 643 }
 644
 645 static void about_copy_link_cb(GtkWidget *widget, guint action, void *data)
 646 {
 647         gchar *link = g_object_get_data(G_OBJECT(link_popupmenu),
 648                                            "menu_button");
 649
 650         if (link == NULL) {
 651                 return;
 652         }
 653
 654         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), link, -1);
 655         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), link, -1);
 656         g_object_set_data(G_OBJECT(link_popupmenu), "menu_button", NULL);
 657 }
 658
 659 static gboolean about_textview_motion_notify(GtkWidget *widget,
 660                                         GdkEventMotion *event,
 661                                         GtkWidget *textview)
 662 {
 663         about_textview_uri_update(textview, event->x, event->y);
 664         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
 665
 666         return FALSE;
 667 }
 668
 669 static gboolean about_textview_leave_notify(GtkWidget *widget,
 670                                         GdkEventCrossing *event,
 671                                         GtkWidget *textview)
 672 {
 673         about_textview_uri_update(textview, -1, -1);
 674
 675         return FALSE;
 676 }
 677
 678 static gboolean about_textview_visibility_notify(GtkWidget *widget,
 679                                         GdkEventVisibility *event,
 680                                         GtkWidget *textview)
 681 {
 682         gint wx, wy;
 683         GdkWindow *window;
 684
 685         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
 686                                 GTK_TEXT_WINDOW_TEXT);
 687
 688         /* check if occurred for the text window part */
 689         if (window != event->window) {
 690                 return FALSE;
 691         }
 692
 693         gdk_window_get_pointer(widget->window, &wx, &wy, NULL);
 694         about_textview_uri_update(textview, wx, wy);
 695
 696         return FALSE;
 697 }
 698
 699 static void about_textview_uri_update(GtkWidget *textview, gint x, gint y)
 700 {
 701         GtkTextBuffer *buffer;
 702         GtkTextIter start_iter, end_iter;
 703         gchar *uri = NULL;
 704         gboolean same;
 705
 706         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
 707
 708         if (x != -1 && y != -1) {
 709                 gint bx, by;
 710                 GtkTextIter iter;
 711                 GSList *tags;
 712                 GSList *cur;
 713
 714                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview),
 715                                 GTK_TEXT_WINDOW_WIDGET,
 716                                 x, y, &bx, &by);
 717                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview),
 718                                 &iter, bx, by);
 719
 720                 tags = gtk_text_iter_get_tags(&iter);
 721                 for (cur = tags; cur != NULL; cur = cur->next) {
 722                         GtkTextTag *tag = cur->data;
 723                         char *name;
 724
 725                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
 726                         if (strcmp(name, "link") == 0
 727                             && get_tag_range(&iter, tag, &start_iter, &end_iter)) {
 728                                 uri = gtk_text_iter_get_text(&start_iter, &end_iter);
 729                         }
 730                         g_free(name);
 731
 732                         if (uri) {
 733                                 break;
 734                         }
 735                 }
 736                 g_slist_free(tags);
 737         }
 738
 739         /* compare previous hovered link and this one
 740            (here links must be unique in text buffer otherwise RemoteURI structures should be
 741            used as in textview.c) */
 742         same = (uri != NULL && uri_hover != NULL
 743                 && strcmp((char*)uri, (char*)uri_hover) == 0);
 744
 745         if (same == FALSE) {
 746                 GdkWindow *window;
 747
 748                 if (uri_hover) {
 749                         gtk_text_buffer_remove_tag_by_name(buffer,
 750                                         "link-hover",
 751                                         &uri_hover_start_iter,
 752                                         &uri_hover_end_iter);
 753                 }
 754
 755                 uri_hover = uri;
 756                 if (uri) {
 757                         uri_hover_start_iter = start_iter;
 758                         uri_hover_end_iter = end_iter;
 759
 760                         gtk_text_buffer_apply_tag_by_name(buffer,
 761                                         "link-hover",
 762                                         &start_iter,
 763                                         &end_iter);
 764                 }
 765
 766                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview),
 767                                                 GTK_TEXT_WINDOW_TEXT);
 768                 if (!hand_cursor)
 769                         hand_cursor = gdk_cursor_new(GDK_HAND2);
 770                 if (!text_cursor)
 771                         text_cursor = gdk_cursor_new(GDK_XTERM);
 772                 gdk_window_set_cursor(window, uri ? hand_cursor : text_cursor);
 773         }
 774 }