browser.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <sys/types.h>
   4 #include <sys/stat.h>
   5 #include <fcntl.h>
   6 #include <string.h>
   7
   8 #include <gtk/gtk.h>
   9 #include <gtk/gtkx.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <gio/gio.h>
  12 #include <webkit2/webkit2.h>
  13
  14
  15 static void client_destroy(GtkWidget *, gpointer);
  16 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  17 static WebKitWebView *client_new(const gchar *);
  18 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  19                                          gpointer);
  20 static void cooperation_setup(void);
  21 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  22 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  23 static void changed_title(GObject *, GParamSpec *, gpointer);
  24 static void changed_uri(GObject *, GParamSpec *, gpointer);
  25 static gboolean crashed_web_view(WebKitWebView *, gpointer);
  26 static gboolean crashed_web_view_reload(gpointer);
  27 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  28                               WebKitPolicyDecisionType, gpointer);
  29 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  30 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  31 static void downloadmanager_cancel(GtkToolButton *, gpointer data);
  32 static void downloadmanager_setup(void);
  33 static gchar *ensure_uri_scheme(const gchar *);
  34 static void grab_environment_configuration(void);
  35 static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  36 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  37 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  38 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  39 static void keywords_load(void);
  40 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  41 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  42 static void search(gpointer, gint);
  43 static Window tabbed_launch(void);
  44 static void trust_user_certs(WebKitWebContext *);
  45
  46
  47 struct Client
  48 {
  49     gchar *hover_uri;
  50     GtkWidget *location;
  51     GtkWidget *progress;
  52     GtkWidget *top_box;
  53     GtkWidget *vbox;
  54     GtkWidget *web_view;
  55     GtkWidget *win;
  56 };
  57
  58 struct DownloadManager
  59 {
  60     GtkWidget *scroll;
  61     GtkWidget *toolbar;
  62     GtkWidget *win;
  63 } dm;
  64
  65
  66 static const gchar *accepted_language[2] = { NULL, NULL };
  67 static gint clients = 0;
  68 static gboolean cooperative_alone = TRUE;
  69 static gboolean cooperative_instances = TRUE;
  70 static int cooperative_pipe_fp = 0;
  71 static int crash_autoreload_delay = 2;
  72 static gchar *download_dir = "/var/tmp";
  73 static Window embed = 0;
  74 static gchar *fifo_suffix = "main";
  75 static gdouble global_zoom = 1.0;
  76 static gchar *home_uri = "about:blank";
  77 static gboolean initial_wc_setup_done = FALSE;
  78 static GHashTable *keywords = NULL;
  79 static gchar *search_text = NULL;
  80 static gboolean tabbed_automagic = TRUE;
  81 static gchar *user_agent = NULL;
  82
  83
  84 void
  85 client_destroy(GtkWidget *obj, gpointer data)
  86 {
  87     struct Client *c = (struct Client *)data;
  88
  89     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  90                                          changed_load_progress, c);
  91
  92     free(c);
  93     clients--;
  94
  95     if (clients == 0)
  96         gtk_main_quit();
  97 }
  98
  99 gboolean
 100 client_destroy_request(WebKitWebView *web_view, gpointer data)
 101 {
 102     struct Client *c = (struct Client *)data;
 103
 104     gtk_widget_destroy(c->win);
 105
 106     return TRUE;
 107 }
 108
 109 WebKitWebView *
 110 client_new(const gchar *uri)
 111 {
 112     struct Client *c;
 113     WebKitWebContext *wc;
 114     gchar *f;
 115
 116     if (uri != NULL && cooperative_instances && !cooperative_alone)
 117     {
 118         write(cooperative_pipe_fp, uri, strlen(uri));
 119         write(cooperative_pipe_fp, "\n", 1);
 120         return NULL;
 121     }
 122
 123     c = malloc(sizeof(struct Client));
 124     if (!c)
 125     {
 126         fprintf(stderr, __NAME__": fatal: malloc failed\n");
 127         exit(EXIT_FAILURE);
 128     }
 129
 130     c->hover_uri = NULL;
 131     c->win = NULL;
 132     if (embed != 0)
 133     {
 134         c->win = gtk_plug_new(embed);
 135         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 136         {
 137             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 138             gtk_widget_destroy(c->win);
 139             c->win = NULL;
 140             embed = 0;
 141         }
 142     }
 143
 144     if (c->win == NULL)
 145         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 146
 147     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 148
 149     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 150     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 151
 152     c->web_view = webkit_web_view_new();
 153     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 154
 155     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 156     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 157                      G_CALLBACK(changed_title), c);
 158     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 159                      G_CALLBACK(changed_uri), c);
 160     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 161                      G_CALLBACK(changed_load_progress), c);
 162     g_signal_connect(G_OBJECT(c->web_view), "create",
 163                      G_CALLBACK(client_new_request), NULL);
 164     g_signal_connect(G_OBJECT(c->web_view), "close",
 165                      G_CALLBACK(client_destroy_request), c);
 166     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 167                      G_CALLBACK(decide_policy), NULL);
 168     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 169                      G_CALLBACK(key_web_view), c);
 170     g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 171                      G_CALLBACK(key_web_view), c);
 172     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 173                      G_CALLBACK(key_web_view), c);
 174     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 175                      G_CALLBACK(hover_web_view), c);
 176     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 177                      G_CALLBACK(crashed_web_view), c);
 178
 179     if (!initial_wc_setup_done)
 180     {
 181         if (accepted_language[0] != NULL)
 182             webkit_web_context_set_preferred_languages(wc, accepted_language);
 183
 184         g_signal_connect(G_OBJECT(wc), "download-started",
 185                          G_CALLBACK(download_handle_start), NULL);
 186
 187         trust_user_certs(wc);
 188
 189         initial_wc_setup_done = TRUE;
 190     }
 191
 192     if (user_agent != NULL)
 193         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 194                      "user-agent", user_agent, NULL);
 195
 196     c->location = gtk_entry_new();
 197     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 198                      G_CALLBACK(key_location), c);
 199
 200     /* XXX Progress bars don't work/look as intended anymore. Level bars
 201      * are a dirty workaround (kind of). */
 202     c->progress = gtk_level_bar_new();
 203     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 1);
 204
 205     c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 206     gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 207     gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 0);
 208
 209     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 210     gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 0);
 211     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 212
 213     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 214
 215     gtk_widget_grab_focus(c->web_view);
 216     gtk_widget_show_all(c->win);
 217
 218     if (uri != NULL)
 219     {
 220         f = ensure_uri_scheme(uri);
 221         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 222         g_free(f);
 223     }
 224
 225     clients++;
 226
 227     return WEBKIT_WEB_VIEW(c->web_view);
 228 }
 229
 230 WebKitWebView *
 231 client_new_request(WebKitWebView *web_view,
 232                    WebKitNavigationAction *navigation_action, gpointer data)
 233 {
 234     return client_new(NULL);
 235 }
 236
 237 void
 238 cooperation_setup(void)
 239 {
 240     GIOChannel *towatch;
 241     gchar *fifofilename, *fifopath;
 242
 243     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 244     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 245     g_free(fifofilename);
 246
 247     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 248         mkfifo(fifopath, 0600);
 249
 250     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 251     if (!cooperative_pipe_fp)
 252     {
 253         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 254     }
 255     else
 256     {
 257         if (write(cooperative_pipe_fp, "", 0) == -1)
 258         {
 259             /* Could not do an empty write to the FIFO which means there's
 260              * no one listening. */
 261             close(cooperative_pipe_fp);
 262             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 263             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 264         }
 265         else
 266             cooperative_alone = FALSE;
 267     }
 268
 269     g_free(fifopath);
 270 }
 271
 272 void
 273 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 274 {
 275     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 276     WebKitURIResponse *resp;
 277     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 278     gdouble p, size_mb;
 279     const gchar *uri;
 280     gchar *t, *filename, *base;
 281
 282     p = webkit_download_get_estimated_progress(download) * 100;
 283     resp = webkit_download_get_response(download);
 284     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 285
 286     uri = webkit_download_get_destination(download);
 287     filename = g_filename_from_uri(uri, NULL, NULL);
 288     if (filename == NULL)
 289     {
 290         /* This really should not happen because WebKit uses that URI to
 291          * write to a file... */
 292         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 293         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 294                             webkit_uri_response_get_uri(resp), p, size_mb);
 295     }
 296     else
 297     {
 298         base = g_path_get_basename(filename);
 299         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 300         g_free(filename);
 301         g_free(base);
 302     }
 303     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 304     g_free(t);
 305 }
 306
 307 void
 308 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 309 {
 310     struct Client *c = (struct Client *)data;
 311     gdouble p;
 312
 313     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 314     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 315 }
 316
 317 void
 318 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 319 {
 320     const gchar *t, *u;
 321     struct Client *c = (struct Client *)data;
 322
 323     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 324     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 325
 326     u = u == NULL ? __NAME__ : u;
 327     u = u[0] == 0 ? __NAME__ : u;
 328
 329     t = t == NULL ? u : t;
 330     t = t[0] == 0 ? u : t;
 331
 332     gtk_window_set_title(GTK_WINDOW(c->win), t);
 333 }
 334
 335 void
 336 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 337 {
 338     const gchar *t;
 339     struct Client *c = (struct Client *)data;
 340
 341     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 342     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 343 }
 344
 345 gboolean
 346 crashed_web_view(WebKitWebView *web_view, gpointer data)
 347 {
 348     fprintf(stderr, __NAME__": WebView crashed!\n");
 349     if (crash_autoreload_delay >= 1)
 350     {
 351         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 352                 crash_autoreload_delay);
 353         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 354                               web_view);
 355     }
 356
 357     return TRUE;
 358 }
 359
 360 gboolean
 361 crashed_web_view_reload(gpointer data)
 362 {
 363     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 364
 365     return G_SOURCE_REMOVE;
 366 }
 367
 368 gboolean
 369 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 370               WebKitPolicyDecisionType type, gpointer data)
 371 {
 372     WebKitResponsePolicyDecision *r;
 373
 374     switch (type)
 375     {
 376         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 377             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 378             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 379                 webkit_policy_decision_download(decision);
 380             else
 381                 webkit_policy_decision_use(decision);
 382             break;
 383         default:
 384             /* Use whatever default there is. */
 385             return FALSE;
 386     }
 387     return TRUE;
 388 }
 389
 390 void
 391 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 392                       gpointer data)
 393 {
 394     g_signal_connect(G_OBJECT(download), "decide-destination",
 395                      G_CALLBACK(download_handle), data);
 396 }
 397
 398 gboolean
 399 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 400 {
 401     gchar *sug_clean, *path, *path2 = NULL, *uri;
 402     GtkToolItem *tb;
 403     int suffix = 1;
 404     size_t i;
 405
 406     sug_clean = g_strdup(suggested_filename);
 407     for (i = 0; i < strlen(sug_clean); i++)
 408         if (sug_clean[i] == G_DIR_SEPARATOR)
 409             sug_clean[i] = '_';
 410
 411     path = g_build_filename(download_dir, sug_clean, NULL);
 412     path2 = g_strdup(path);
 413     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 414     {
 415         g_free(path2);
 416
 417         path2 = g_strdup_printf("%s.%d", path, suffix);
 418         suffix++;
 419     }
 420
 421     if (suffix == 1000)
 422     {
 423         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 424         webkit_download_cancel(download);
 425     }
 426     else
 427     {
 428         uri = g_filename_to_uri(path2, NULL, NULL);
 429         webkit_download_set_destination(download, uri);
 430         g_free(uri);
 431
 432         tb = gtk_tool_button_new(NULL, NULL);
 433         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 434         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 435         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 436         gtk_widget_show_all(dm.win);
 437
 438         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 439                          G_CALLBACK(changed_download_progress), tb);
 440
 441         g_object_ref(download);
 442         g_signal_connect(G_OBJECT(tb), "clicked",
 443                          G_CALLBACK(downloadmanager_cancel), download);
 444     }
 445
 446     g_free(sug_clean);
 447     g_free(path);
 448     g_free(path2);
 449
 450     /* Propagate -- to whom it may concern. */
 451     return FALSE;
 452 }
 453
 454 void
 455 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 456 {
 457     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 458
 459     webkit_download_cancel(download);
 460     g_object_unref(download);
 461
 462     gtk_widget_destroy(GTK_WIDGET(tb));
 463 }
 464
 465 void
 466 downloadmanager_setup(void)
 467 {
 468     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 469     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 470     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 471     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 472     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 473                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 474     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 475                      G_CALLBACK(key_downloadmanager), NULL);
 476
 477     dm.toolbar = gtk_toolbar_new();
 478     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 479                                    GTK_ORIENTATION_VERTICAL);
 480     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 481     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 482
 483     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 484     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 485                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 486     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 487
 488     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 489 }
 490
 491 gchar *
 492 ensure_uri_scheme(const gchar *t)
 493 {
 494     gchar *f;
 495
 496     f = g_ascii_strdown(t, -1);
 497     if (!g_str_has_prefix(f, "http:") &&
 498         !g_str_has_prefix(f, "https:") &&
 499         !g_str_has_prefix(f, "file:") &&
 500         !g_str_has_prefix(f, "about:"))
 501     {
 502         g_free(f);
 503         f = g_strdup_printf("http://%s", t);
 504         return f;
 505     }
 506     else
 507         return g_strdup(t);
 508 }
 509
 510 void
 511 grab_environment_configuration(void)
 512 {
 513     const gchar *e;
 514
 515     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 516     if (e != NULL)
 517         accepted_language[0] = g_strdup(e);
 518
 519     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 520     if (e != NULL)
 521         crash_autoreload_delay = atoi(e);
 522
 523     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 524     if (e != NULL)
 525         download_dir = g_strdup(e);
 526
 527     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 528     if (e != NULL)
 529         fifo_suffix = g_strdup(e);
 530
 531     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 532     if (e != NULL)
 533         home_uri = g_strdup(e);
 534
 535     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 536     if (e != NULL)
 537         user_agent = g_strdup(e);
 538
 539     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 540     if (e != NULL)
 541         global_zoom = atof(e);
 542 }
 543
 544 void
 545 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 546                gpointer data)
 547 {
 548     struct Client *c = (struct Client *)data;
 549
 550     if (!gtk_widget_is_focus(c->location))
 551     {
 552         if (webkit_hit_test_result_context_is_link(ht))
 553         {
 554             gtk_entry_set_text(GTK_ENTRY(c->location),
 555                                webkit_hit_test_result_get_link_uri(ht));
 556
 557             if (c->hover_uri != NULL)
 558                 g_free(c->hover_uri);
 559             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 560         }
 561         else
 562         {
 563             gtk_entry_set_text(GTK_ENTRY(c->location),
 564                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 565
 566             if (c->hover_uri != NULL)
 567                 g_free(c->hover_uri);
 568             c->hover_uri = NULL;
 569         }
 570     }
 571 }
 572
 573 gboolean
 574 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 575 {
 576     if (event->type == GDK_KEY_PRESS)
 577     {
 578         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 579         {
 580             switch (((GdkEventKey *)event)->keyval)
 581             {
 582                 case GDK_KEY_d:  /* close window (left hand) */
 583                     gtk_widget_hide(dm.win);
 584                     return TRUE;
 585             }
 586         }
 587     }
 588
 589     return FALSE;
 590 }
 591
 592 gboolean
 593 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 594 {
 595     struct Client *c = (struct Client *)data;
 596     const gchar *t;
 597     gchar *f;
 598     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 599
 600     if (event->type == GDK_KEY_PRESS)
 601     {
 602         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 603         {
 604             switch (((GdkEventKey *)event)->keyval)
 605             {
 606                 case GDK_KEY_q:  /* close window (left hand) */
 607                     gtk_widget_destroy(c->win);
 608                     return TRUE;
 609                 case GDK_KEY_d:  /* download manager (left hand) */
 610                     gtk_widget_show_all(dm.win);
 611                     return TRUE;
 612                 case GDK_KEY_r:  /* reload (left hand) */
 613                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 614                                                         c->web_view));
 615                     return TRUE;
 616                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 617                     gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 618                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 619                     return TRUE;
 620                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 621                     trust_user_certs(wc);
 622                     return TRUE;
 623             }
 624         }
 625         else
 626         {
 627             switch (((GdkEventKey *)event)->keyval)
 628             {
 629                 case GDK_KEY_KP_Enter:
 630                 case GDK_KEY_Return:
 631                     gtk_widget_grab_focus(c->web_view);
 632                     t = gtk_entry_get_text(GTK_ENTRY(c->location));
 633                     if (t != NULL && t[0] == '/')
 634                     {
 635                         if (search_text != NULL)
 636                             g_free(search_text);
 637                         search_text = g_strdup(t + 1);  /* XXX whacky */
 638                         search(c, 0);
 639                     }
 640                     else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 641                     {
 642                         f = ensure_uri_scheme(t);
 643                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 644                         g_free(f);
 645                     }
 646                     return TRUE;
 647                 case GDK_KEY_Escape:
 648                     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 649                     gtk_entry_set_text(GTK_ENTRY(c->location),
 650                                        (t == NULL ? __NAME__ : t));
 651                     return TRUE;
 652             }
 653         }
 654     }
 655
 656     return FALSE;
 657 }
 658
 659 gboolean
 660 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 661 {
 662     struct Client *c = (struct Client *)data;
 663     gdouble dx, dy;
 664     gchar *f;
 665     gfloat z;
 666     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 667
 668     if (event->type == GDK_KEY_PRESS)
 669     {
 670         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 671         {
 672             switch (((GdkEventKey *)event)->keyval)
 673             {
 674                 case GDK_KEY_q:  /* close window (left hand) */
 675                     gtk_widget_destroy(c->win);
 676                     return TRUE;
 677                 case GDK_KEY_w:  /* home (left hand) */
 678                     f = ensure_uri_scheme(home_uri);
 679                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 680                     g_free(f);
 681                     return TRUE;
 682                 case GDK_KEY_e:  /* new tab (left hand) */
 683                     f = ensure_uri_scheme(home_uri);
 684                     client_new(f);
 685                     g_free(f);
 686                     return TRUE;
 687                 case GDK_KEY_r:  /* reload (left hand) */
 688                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 689                                                         c->web_view));
 690                     return TRUE;
 691                 case GDK_KEY_d:  /* download manager (left hand) */
 692                     gtk_widget_show_all(dm.win);
 693                     return TRUE;
 694                 case GDK_KEY_2:  /* search forward (left hand) */
 695                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 696                     search(c, 1);
 697                     return TRUE;
 698                 case GDK_KEY_3:  /* search backward (left hand) */
 699                     search(c, -1);
 700                     return TRUE;
 701                 case GDK_KEY_l:  /* location (BOTH hands) */
 702                     gtk_widget_grab_focus(c->location);
 703                     return TRUE;
 704                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 705                     gtk_widget_grab_focus(c->location);
 706                     gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 707                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 708                     return TRUE;
 709                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 710                     trust_user_certs(wc);
 711                     return TRUE;
 712             }
 713         }
 714         /* navigate backward (left hand) */
 715         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 716         {
 717             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 718             return TRUE;
 719         }
 720         /* navigate forward (left hand) */
 721         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 722         {
 723             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 724             return TRUE;
 725         }
 726         else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 727         {
 728             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 729             gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 730         }
 731     }
 732     else if (event->type == GDK_BUTTON_PRESS)
 733     {
 734         switch (((GdkEventButton *)event)->button)
 735         {
 736             case 2:
 737                 if (c->hover_uri != NULL)
 738                 {
 739                     client_new(c->hover_uri);
 740                     return TRUE;
 741                 }
 742                 break;
 743             case 8:
 744                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 745                 return TRUE;
 746             case 9:
 747                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 748                 return TRUE;
 749         }
 750     }
 751     else if (event->type == GDK_SCROLL)
 752     {
 753         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 754             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 755         {
 756             gdk_event_get_scroll_deltas(event, &dx, &dy);
 757             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 758             z += -dy * 0.1;
 759             z = dx != 0 ? global_zoom : z;
 760             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 761             return TRUE;
 762         }
 763     }
 764
 765     return FALSE;
 766 }
 767
 768 void
 769 keywords_load(void)
 770 {
 771     GError *err = NULL;
 772     GIOChannel *channel = NULL;
 773     gchar *path = NULL, *buf = NULL;
 774     gchar **tokens = NULL;
 775
 776     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 777
 778     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 779                             NULL);
 780     channel = g_io_channel_new_file(path, "r", &err);
 781     if (channel != NULL)
 782     {
 783         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 784                == G_IO_STATUS_NORMAL)
 785         {
 786             g_strstrip(buf);
 787             if (buf[0] != '#')
 788             {
 789                 tokens = g_strsplit(buf, " ", 2);
 790                 if (tokens[0] != NULL && tokens[1] != NULL)
 791                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 792                                         g_strdup(tokens[1]));
 793                 g_strfreev(tokens);
 794             }
 795             g_free(buf);
 796         }
 797         g_io_channel_shutdown(channel, FALSE, NULL);
 798     }
 799     g_free(path);
 800 }
 801
 802 gboolean
 803 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 804 {
 805     gboolean ret = FALSE;
 806     gchar **tokens = NULL;
 807     gchar *val = NULL, *uri = NULL;
 808
 809     tokens = g_strsplit(t, " ", 2);
 810     if (tokens[0] != NULL && tokens[1] != NULL)
 811     {
 812         val = g_hash_table_lookup(keywords, tokens[0]);
 813         if (val != NULL)
 814         {
 815             uri = g_strdup_printf((gchar *)val, tokens[1]);
 816             webkit_web_view_load_uri(web_view, uri);
 817             g_free(uri);
 818             ret = TRUE;
 819         }
 820     }
 821     g_strfreev(tokens);
 822
 823     return ret;
 824 }
 825
 826 gboolean
 827 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 828 {
 829     gchar *uri = NULL;
 830
 831     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 832     if (uri)
 833     {
 834         g_strstrip(uri);
 835         client_new(uri);
 836         g_free(uri);
 837     }
 838     return TRUE;
 839 }
 840
 841 void
 842 search(gpointer data, gint direction)
 843 {
 844     struct Client *c = (struct Client *)data;
 845     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 846     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 847
 848     if (search_text == NULL)
 849         return;
 850
 851     switch (direction)
 852     {
 853         case 0:
 854             webkit_find_controller_search(fc, search_text,
 855                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 856                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 857                                           G_MAXUINT);
 858             break;
 859         case 1:
 860             webkit_find_controller_search_next(fc);
 861             break;
 862         case -1:
 863             webkit_find_controller_search_previous(fc);
 864             break;
 865     }
 866 }
 867
 868 Window
 869 tabbed_launch(void)
 870 {
 871     gint tabbed_stdout;
 872     GIOChannel *tabbed_stdout_channel;
 873     GError *err = NULL;
 874     gchar *output = NULL;
 875     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 876     Window plug_into;
 877
 878     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 879                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
 880                                   &err))
 881     {
 882         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 883         g_error_free(err);
 884         return 0;
 885     }
 886
 887     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 888     if (tabbed_stdout_channel == NULL)
 889     {
 890         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 891         return 0;
 892     }
 893     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 894     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 895     if (output == NULL)
 896     {
 897         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 898         return 0;
 899     }
 900     g_strstrip(output);
 901     plug_into = strtol(output, NULL, 16);
 902     g_free(output);
 903     if (plug_into == 0)
 904         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 905     return plug_into;
 906 }
 907
 908 void
 909 trust_user_certs(WebKitWebContext *wc)
 910 {
 911     GTlsCertificate *cert;
 912     const gchar *basedir, *file, *absfile;
 913     GDir *dir;
 914
 915     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
 916     dir = g_dir_open(basedir, 0, NULL);
 917     if (dir != NULL)
 918     {
 919         file = g_dir_read_name(dir);
 920         while (file != NULL)
 921         {
 922             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
 923                                        file, NULL);
 924             cert = g_tls_certificate_new_from_file(absfile, NULL);
 925             if (cert == NULL)
 926                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
 927             else
 928                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
 929             file = g_dir_read_name(dir);
 930         }
 931         g_dir_close(dir);
 932     }
 933 }
 934
 935
 936 int
 937 main(int argc, char **argv)
 938 {
 939     gchar *c;
 940     int opt, i;
 941
 942     gtk_init(&argc, &argv);
 943
 944     grab_environment_configuration();
 945
 946     while ((opt = getopt(argc, argv, "e:CT")) != -1)
 947     {
 948         switch (opt)
 949         {
 950             case 'e':
 951                 embed = atol(optarg);
 952                 tabbed_automagic = FALSE;
 953                 break;
 954             case 'C':
 955                 cooperative_instances = FALSE;
 956                 break;
 957             case 'T':
 958                 tabbed_automagic = FALSE;
 959                 break;
 960             default:
 961                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 962                 exit(EXIT_FAILURE);
 963         }
 964     }
 965
 966     keywords_load();
 967     if (cooperative_instances)
 968         cooperation_setup();
 969     downloadmanager_setup();
 970
 971     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 972         embed = tabbed_launch();
 973
 974     if (!cooperative_instances || cooperative_alone)
 975     {
 976         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
 977                              NULL);
 978         webkit_web_context_set_web_extensions_directory(
 979             webkit_web_context_get_default(), c
 980         );
 981     }
 982
 983     if (optind >= argc)
 984         client_new(home_uri);
 985     else
 986     {
 987         for (i = optind; i < argc; i++)
 988             client_new(argv[i]);
 989     }
 990
 991     if (!cooperative_instances || cooperative_alone)
 992         gtk_main();
 993     exit(EXIT_SUCCESS);
 994 }