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 <gdk/gdkx.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <gio/gio.h>
  12 #include <webkit/webkit.h>
  13
  14
  15 #define DOWNLOAD_DIR "/tmp/tmp"
  16 #define LANGUAGE "en-US"
  17
  18
  19 static void adblock(WebKitWebView *, WebKitWebFrame *, WebKitWebResource *,
  20                     WebKitNetworkRequest *, WebKitNetworkResponse *, gpointer);
  21 static void adblock_load(void);
  22 static void client_destroy(GtkWidget *, gpointer);
  23 static void client_new(const gchar *uri);
  24 static gboolean client_new_request(WebKitWebView *, WebKitWebFrame *,
  25                                    WebKitNetworkRequest *,
  26                                    WebKitWebNavigationAction *,
  27                                    WebKitWebPolicyDecision *, gpointer);
  28 static void cooperation_setup(void);
  29 static void changed_load_status(GObject *obj, GParamSpec *pspec,
  30                                 gpointer data);
  31 static void changed_title(GObject *, GParamSpec *, gpointer);
  32 static void changed_uri(GObject *, GParamSpec *, gpointer);
  33 static gboolean download_request(WebKitWebView *, WebKitWebFrame *,
  34                                  WebKitNetworkRequest *, gchar *,
  35                                  WebKitWebPolicyDecision *, gpointer);
  36 static gboolean download_wget(WebKitWebView *, WebKitDownload *, gpointer);
  37 static void hover_web_view(WebKitWebView *, gchar *, gchar *, gpointer);
  38 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  39 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  40 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  41 static void search(gpointer, gint);
  42 static void scroll(GtkAdjustment *, gint, gdouble);
  43 static Window tabbed_launch(void);
  44 static void usage(void);
  45
  46
  47 struct Client
  48 {
  49         GtkWidget *win;
  50         GtkWidget *vbox;
  51         GtkWidget *location;
  52         GtkWidget *status;
  53         GtkWidget *scroll;
  54         GtkWidget *web_view;
  55 };
  56
  57
  58 static GSList *adblock_patterns = NULL;
  59 static gint clients = 0;
  60 static gboolean cooperative_alone = TRUE;
  61 static gboolean cooperative_instances = TRUE;
  62 static int cooperative_pipe_fp = 0;
  63 static Window embed = 0;
  64 static gchar *first_uri = NULL;
  65 static gdouble global_zoom = 1.0;
  66 static gboolean language_is_set = FALSE;
  67 static gchar *search_text = NULL;
  68 static gboolean show_all_requests = FALSE;
  69 static gboolean tabbed_automagic = TRUE;
  70
  71
  72 void
  73 adblock(WebKitWebView *web_view, WebKitWebFrame *frame,
  74         WebKitWebResource *resource, WebKitNetworkRequest *request,
  75         WebKitNetworkResponse *response, gpointer data)
  76 {
  77         GSList *it = adblock_patterns;
  78         const gchar *uri;
  79
  80         (void)web_view;
  81         (void)frame;
  82         (void)resource;
  83         (void)response;
  84         (void)data;
  85
  86         uri = webkit_network_request_get_uri(request);
  87         if (show_all_requests)
  88                 fprintf(stderr, "-> %s\n", uri);
  89
  90         while (it)
  91         {
  92                 if (g_regex_match((GRegex *)(it->data), uri, 0, NULL))
  93                 {
  94                         webkit_network_request_set_uri(request, "about:blank");
  95                         if (show_all_requests)
  96                                 fprintf(stderr, "\tBLOCKED!\n");
  97                         return;
  98                 }
  99                 it = g_slist_next(it);
 100         }
 101 }
 102
 103 void
 104 adblock_load(void)
 105 {
 106         GRegex *re = NULL;
 107         GError *err = NULL;
 108         GIOChannel *channel = NULL;
 109         gchar *path = NULL;
 110         gchar *buf = NULL;
 111
 112         path = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock.black",
 113                                 NULL);
 114         channel = g_io_channel_new_file(path, "r", &err);
 115         if (channel != NULL)
 116         {
 117                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 118                        == G_IO_STATUS_NORMAL)
 119                 {
 120                         g_strstrip(buf);
 121                         re = g_regex_new(buf,
 122                                          G_REGEX_CASELESS | G_REGEX_OPTIMIZE,
 123                                          G_REGEX_MATCH_PARTIAL, &err);
 124                         if (err != NULL)
 125                         {
 126                                 fprintf(stderr, __NAME__": Could not compile regex: %s\n", buf);
 127                                 g_error_free(err);
 128                                 err = NULL;
 129                         }
 130                         adblock_patterns = g_slist_append(adblock_patterns, re);
 131
 132                         g_free(buf);
 133                 }
 134         }
 135         g_free(path);
 136 }
 137
 138 void
 139 client_destroy(GtkWidget *obj, gpointer data)
 140 {
 141         struct Client *c = (struct Client *)data;
 142
 143         (void)obj;
 144
 145         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 146         gtk_widget_destroy(c->web_view);
 147         gtk_widget_destroy(c->scroll);
 148         gtk_widget_destroy(c->status);
 149         gtk_widget_destroy(c->location);
 150         gtk_widget_destroy(c->vbox);
 151         gtk_widget_destroy(c->win);
 152         free(c);
 153
 154         clients--;
 155         if (clients == 0)
 156                 gtk_main_quit();
 157 }
 158
 159 void
 160 client_new(const gchar *uri)
 161 {
 162         struct Client *c;
 163         gchar *capitalized_name = NULL;
 164
 165         if (cooperative_instances && !cooperative_alone)
 166         {
 167                 write(cooperative_pipe_fp, uri, strlen(uri));
 168                 write(cooperative_pipe_fp, "\n", 1);
 169                 return;
 170         }
 171
 172         c = malloc(sizeof(struct Client));
 173         if (!c)
 174         {
 175                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 176                 exit(EXIT_FAILURE);
 177         }
 178
 179         c->win = NULL;
 180         if (embed != 0)
 181         {
 182                 c->win = gtk_plug_new(embed);
 183                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 184                 {
 185                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 186                         gtk_widget_destroy(c->win);
 187                         c->win = NULL;
 188                         embed = 0;
 189                 }
 190         }
 191
 192         if (c->win == NULL)
 193         {
 194                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 195
 196                 capitalized_name = g_strdup(__NAME__);
 197                 capitalized_name[0] = g_ascii_toupper(capitalized_name[0]);
 198                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, capitalized_name);
 199                 g_free(capitalized_name);
 200         }
 201
 202         /* When using Gtk2, it only shows a white area when run in suckless'
 203          * tabbed. It appears we need to set a default window size for this
 204          * to work. This is not needed when using Gtk3. */
 205         gtk_window_set_default_size(GTK_WINDOW(c->win), 1024, 768);
 206
 207         g_signal_connect(G_OBJECT(c->win), "destroy",
 208                          G_CALLBACK(client_destroy), c);
 209         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 210
 211         c->web_view = webkit_web_view_new();
 212         webkit_web_view_set_full_content_zoom(WEBKIT_WEB_VIEW(c->web_view), TRUE);
 213         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 214         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 215                          G_CALLBACK(changed_title), c);
 216         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 217                          G_CALLBACK(changed_uri), c);
 218         g_signal_connect(G_OBJECT(c->web_view), "notify::load-status",
 219                          G_CALLBACK(changed_load_status), c);
 220         g_signal_connect(G_OBJECT(c->web_view),
 221                          "new-window-policy-decision-requested",
 222                          G_CALLBACK(client_new_request), NULL);
 223         g_signal_connect(G_OBJECT(c->web_view),
 224                          "mime-type-policy-decision-requested",
 225                          G_CALLBACK(download_request), NULL);
 226         g_signal_connect(G_OBJECT(c->web_view), "download-requested",
 227                          G_CALLBACK(download_wget), NULL);
 228         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 229                          G_CALLBACK(key_web_view), c);
 230         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 231                          G_CALLBACK(key_web_view), c);
 232         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 233                          G_CALLBACK(hover_web_view), c);
 234         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 235                          G_CALLBACK(adblock), NULL);
 236
 237         if (!language_is_set)
 238         {
 239                 g_object_set(webkit_get_default_session(), "accept-language", LANGUAGE,
 240                              NULL);
 241                 language_is_set = TRUE;
 242         }
 243
 244         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 245
 246         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 247
 248         c->location = gtk_entry_new();
 249         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 250                          G_CALLBACK(key_location), c);
 251
 252         c->status = gtk_statusbar_new();
 253         gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(c->status), FALSE);
 254
 255         c->vbox = gtk_vbox_new(FALSE, 2);
 256         gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 257         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 258         gtk_box_pack_end(GTK_BOX(c->vbox), c->status, FALSE, FALSE, 0);
 259
 260         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 261
 262         gtk_widget_grab_focus(c->web_view);
 263         gtk_widget_show_all(c->win);
 264
 265         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), uri);
 266
 267         clients++;
 268 }
 269
 270 gboolean
 271 client_new_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 272                    WebKitNetworkRequest *request,
 273                    WebKitWebNavigationAction *navigation_action,
 274                    WebKitWebPolicyDecision *policy_decision, gpointer user_data)
 275 {
 276         (void)web_view;
 277         (void)frame;
 278         (void)navigation_action;
 279         (void)user_data;
 280
 281         webkit_web_policy_decision_ignore(policy_decision);
 282         client_new(webkit_network_request_get_uri(request));
 283
 284         return TRUE;
 285 }
 286
 287 void
 288 cooperation_setup(void)
 289 {
 290         GIOChannel *towatch;
 291         gchar *fifopath;
 292
 293         fifopath = g_build_filename(g_get_user_runtime_dir(), __NAME__".fifo", NULL);
 294
 295         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 296                 mkfifo(fifopath, 0600);
 297
 298         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 299         if (!cooperative_pipe_fp)
 300         {
 301                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 302         }
 303         else
 304         {
 305                 if (write(cooperative_pipe_fp, "", 0) == -1)
 306                 {
 307                         /* Could not do an empty write to the FIFO which means there's
 308                          * no one listening. */
 309                         close(cooperative_pipe_fp);
 310                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 311                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 312                 }
 313                 else
 314                         cooperative_alone = FALSE;
 315         }
 316
 317         g_free(fifopath);
 318 }
 319
 320 void
 321 changed_load_status(GObject *obj, GParamSpec *pspec, gpointer data)
 322 {
 323         struct Client *c = (struct Client *)data;
 324
 325         (void)obj;
 326         (void)pspec;
 327
 328         if (webkit_web_view_get_load_status(WEBKIT_WEB_VIEW(c->web_view))
 329             == WEBKIT_LOAD_FINISHED)
 330         {
 331                 gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 332                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Finished.");
 333         }
 334         else
 335         {
 336                 gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 337                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Loading...");
 338         }
 339 }
 340
 341 void
 342 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 343 {
 344         const gchar *t;
 345         struct Client *c = (struct Client *)data;
 346
 347         (void)obj;
 348         (void)pspec;
 349
 350         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 351         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 352 }
 353
 354 void
 355 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 356 {
 357         const gchar *t;
 358         struct Client *c = (struct Client *)data;
 359
 360         (void)obj;
 361         (void)pspec;
 362
 363         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 364         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 365 }
 366
 367 gboolean
 368 download_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 369                  WebKitNetworkRequest *request, gchar *mime_type,
 370                  WebKitWebPolicyDecision *policy_decision, gpointer data)
 371 {
 372         (void)frame;
 373         (void)request;
 374         (void)data;
 375
 376         if (!webkit_web_view_can_show_mime_type(web_view, mime_type))
 377         {
 378                 webkit_web_policy_decision_download(policy_decision);
 379                 return TRUE;
 380         }
 381         return FALSE;
 382 }
 383
 384 gboolean
 385 download_wget(WebKitWebView *web_view, WebKitDownload *download, gpointer data)
 386 {
 387         const gchar *uri;
 388         char id[16] = "";
 389         gint ret;
 390
 391         (void)web_view;
 392         (void)data;
 393
 394         uri = webkit_download_get_uri(download);
 395         if (fork() == 0)
 396         {
 397                 chdir(DOWNLOAD_DIR);
 398                 if (embed == 0)
 399                         ret = execlp("xterm", "xterm", "-hold", "-e", "wget", uri, NULL);
 400                 else
 401                 {
 402                         if (snprintf(id, 16, "%ld", embed) >= 16)
 403                         {
 404                                 fprintf(stderr, __NAME__": id for xterm embed truncated!\n");
 405                                 exit(EXIT_FAILURE);
 406                         }
 407                         ret = execlp("xterm", "xterm", "-hold", "-into", id, "-e", "wget",
 408                                      uri, NULL);
 409                 }
 410
 411                 if (ret == -1)
 412                 {
 413                         fprintf(stderr, __NAME__": exec'ing xterm for download");
 414                         perror(" failed");
 415                         exit(EXIT_FAILURE);
 416                 }
 417         }
 418
 419         return FALSE;
 420 }
 421
 422 void
 423 hover_web_view(WebKitWebView *web_view, gchar *title, gchar *uri,
 424                    gpointer data)
 425 {
 426         struct Client *c = (struct Client *)data;
 427
 428         (void)web_view;
 429         (void)title;
 430
 431         gtk_statusbar_pop(GTK_STATUSBAR(c->status), 0);
 432         if (uri != NULL)
 433                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 0, uri);
 434 }
 435
 436 gboolean
 437 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 438 {
 439         struct Client *c = (struct Client *)data;
 440         const gchar *t;
 441
 442         (void)widget;
 443
 444         if (event->type == GDK_KEY_PRESS)
 445         {
 446                 if (((GdkEventKey *)event)->keyval == GDK_KEY_Return)
 447                 {
 448                         gtk_widget_grab_focus(c->web_view);
 449                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
 450                         if (t != NULL && t[0] == '/')
 451                         {
 452                                 if (search_text != NULL)
 453                                         g_free(search_text);
 454                                 search_text = g_strdup(t + 1);  /* XXX whacky */
 455                                 search(c, 1);
 456                         }
 457                         else
 458                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), t);
 459                         return TRUE;
 460                 }
 461         }
 462
 463         return FALSE;
 464 }
 465
 466 gboolean
 467 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 468 {
 469         struct Client *c = (struct Client *)data;
 470         WebKitHitTestResultContext ht_context;
 471         WebKitHitTestResult *ht_result = NULL;
 472         char *ht_uri =  NULL;
 473
 474         (void)widget;
 475
 476         if (event->type == GDK_KEY_PRESS)
 477         {
 478                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK)
 479                 {
 480                         switch (((GdkEventKey *)event)->keyval)
 481                         {
 482                                 case GDK_KEY_o:
 483                                         gtk_widget_grab_focus(c->location);
 484                                         return TRUE;
 485                                 case GDK_KEY_h:
 486                                         scroll(gtk_scrolled_window_get_hadjustment(
 487                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 488                                         return TRUE;
 489                                 case GDK_KEY_j:
 490                                         scroll(gtk_scrolled_window_get_vadjustment(
 491                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 492                                         return TRUE;
 493                                 case GDK_KEY_k:
 494                                         scroll(gtk_scrolled_window_get_vadjustment(
 495                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 496                                         return TRUE;
 497                                 case GDK_KEY_l:
 498                                         scroll(gtk_scrolled_window_get_hadjustment(
 499                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 500                                         return TRUE;
 501                                 case GDK_KEY_f:
 502                                         scroll(gtk_scrolled_window_get_vadjustment(
 503                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, 0.5);
 504                                         return TRUE;
 505                                 case GDK_KEY_b:
 506                                         scroll(gtk_scrolled_window_get_vadjustment(
 507                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, -0.5);
 508                                         return TRUE;
 509                                 case GDK_KEY_n:
 510                                         search(c, 1);
 511                                         return TRUE;
 512                                 case GDK_KEY_p:
 513                                         search(c, -1);
 514                                         return TRUE;
 515                                 case GDK_KEY_g:
 516                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view),
 517                                                                  first_uri);
 518                                         return TRUE;
 519                         }
 520                 }
 521                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 522                 {
 523                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 524                         gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 525                         gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Aborted.");
 526                 }
 527         }
 528         else if (event->type == GDK_BUTTON_PRESS)
 529         {
 530                 switch (((GdkEventButton *)event)->button)
 531                 {
 532                         case 2:
 533                                 ht_result = webkit_web_view_get_hit_test_result(
 534                                                                    WEBKIT_WEB_VIEW(c->web_view),
 535                                                                        (GdkEventButton *)event);
 536                                 g_object_get(ht_result, "context", &ht_context, NULL);
 537                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 538                                 {
 539                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 540                                         client_new(ht_uri);
 541                                         g_object_unref(ht_result);
 542                                         return TRUE;
 543                                 }
 544                                 g_object_unref(ht_result);
 545                                 return FALSE;
 546                         case 8:
 547                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 548                                 return TRUE;
 549                         case 9:
 550                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 551                                 return TRUE;
 552                 }
 553         }
 554
 555         return FALSE;
 556 }
 557
 558 gboolean
 559 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 560 {
 561         gchar *uri = NULL;
 562
 563         (void)condition;
 564         (void)data;
 565
 566         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 567         if (uri)
 568         {
 569                 g_strstrip(uri);
 570                 client_new(uri);
 571                 g_free(uri);
 572         }
 573         return TRUE;
 574 }
 575
 576 void
 577 search(gpointer data, gint direction)
 578 {
 579         struct Client *c = (struct Client *)data;
 580
 581         if (search_text == NULL)
 582                 return;
 583
 584         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 585                                     FALSE, direction == 1, TRUE);
 586 }
 587
 588 void
 589 scroll(GtkAdjustment *a, gint step_type, gdouble factor)
 590 {
 591         gdouble new, lower, upper, step;
 592         lower = gtk_adjustment_get_lower(a);
 593         upper = gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a) + lower;
 594         if (step_type == 0)
 595                 step = gtk_adjustment_get_step_increment(a);
 596         else
 597                 step = gtk_adjustment_get_page_increment(a);
 598         new = gtk_adjustment_get_value(a) + factor * step;
 599         new = new < lower ? lower : new;
 600         new = new > upper ? upper : new;
 601         gtk_adjustment_set_value(a, new);
 602 }
 603
 604 Window
 605 tabbed_launch(void)
 606 {
 607         gint tabbed_stdout;
 608         GIOChannel *tabbed_stdout_channel;
 609         GError *err = NULL;
 610         gchar *output = NULL;
 611         char *argv[] = { "tabbed", "-c", "-d", "-n", __NAME__, NULL };
 612         Window plug_into;
 613
 614         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 615                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 616                                       &err))
 617         {
 618                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 619                 g_error_free(err);
 620                 return 0;
 621         }
 622
 623         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 624         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 625         if (output == NULL)
 626         {
 627                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 628                 return 0;
 629         }
 630
 631         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 632
 633         g_strstrip(output);
 634         plug_into = strtol(output, NULL, 16);
 635         g_free(output);
 636         return plug_into;
 637 }
 638
 639 void
 640 usage(void)
 641 {
 642         fprintf(stderr, "Usage: "__NAME__" [OPTION]... <URI>...\n");
 643         exit(EXIT_FAILURE);
 644 }
 645
 646
 647 int
 648 main(int argc, char **argv)
 649 {
 650         int opt, i;
 651
 652         gtk_init(&argc, &argv);
 653
 654         while ((opt = getopt(argc, argv, "z:e:rCT")) != -1)
 655         {
 656                 switch (opt)
 657                 {
 658                         case 'z':
 659                                 global_zoom = atof(optarg);
 660                                 break;
 661                         case 'e':
 662                                 embed = atol(optarg);
 663                                 tabbed_automagic = FALSE;
 664                                 break;
 665                         case 'r':
 666                                 show_all_requests = TRUE;
 667                                 break;
 668                         case 'C':
 669                                 cooperative_instances = FALSE;
 670                                 break;
 671                         case 'T':
 672                                 tabbed_automagic = FALSE;
 673                                 break;
 674                         default:
 675                                 usage();
 676                 }
 677         }
 678
 679         if (optind >= argc)
 680                 usage();
 681
 682         adblock_load();
 683         cooperation_setup();
 684
 685         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 686                 embed = tabbed_launch();
 687
 688         first_uri = g_strdup(argv[optind]);
 689         for (i = optind; i < argc; i++)
 690                 client_new(argv[i]);
 691         if (!cooperative_instances || cooperative_alone)
 692                 gtk_main();
 693         exit(EXIT_SUCCESS);
 694 }