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