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