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 static void adblock(WebKitWebView *, WebKitWebFrame *, WebKitWebResource *,
  16                     WebKitNetworkRequest *, WebKitNetworkResponse *, gpointer);
  17 static void adblock_load(void);
  18 static void client_destroy(GtkWidget *obj, gpointer data);
  19 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  20 static WebKitWebView *client_new(const gchar *uri);
  21 static WebKitWebView *client_new_request(WebKitWebView *, WebKitWebFrame *,
  22                                          gpointer);
  23 static void cooperation_setup(void);
  24 static void changed_load_status(GObject *obj, GParamSpec *pspec,
  25                                 gpointer data);
  26 static void changed_title(GObject *, GParamSpec *, gpointer);
  27 static void changed_uri(GObject *, GParamSpec *, gpointer);
  28 static gboolean download_handle(WebKitWebView *, WebKitDownload *, gpointer);
  29 static gboolean download_request(WebKitWebView *, WebKitWebFrame *,
  30                                  WebKitNetworkRequest *, gchar *,
  31                                  WebKitWebPolicyDecision *, gpointer);
  32 static gchar *ensure_url_scheme(const gchar *);
  33 static void grab_environment_configuration(void);
  34 static void hover_web_view(WebKitWebView *, gchar *, gchar *, gpointer);
  35 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  36 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  37 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  38 static void search(gpointer, gint);
  39 static void scroll(GtkAdjustment *, gint, gdouble);
  40 static Window tabbed_launch(void);
  41 static void usage(void);
  42
  43
  44 struct Client
  45 {
  46         GtkWidget *win;
  47         GtkWidget *vbox;
  48         GtkWidget *location;
  49         GtkWidget *status;
  50         GtkWidget *scroll;
  51         GtkWidget *web_view;
  52 };
  53
  54
  55 static gchar *accepted_language = "en-US";
  56 static GSList *adblock_patterns = NULL;
  57 static gint clients = 0;
  58 static gboolean cooperative_alone = TRUE;
  59 static gboolean cooperative_instances = TRUE;
  60 static int cooperative_pipe_fp = 0;
  61 static gchar *download_dir = "/tmp";
  62 static Window embed = 0;
  63 static gchar *first_uri = NULL;
  64 static gdouble global_zoom = 1.0;
  65 static gboolean language_is_set = FALSE;
  66 static gchar *search_text = NULL;
  67 static gboolean show_all_requests = FALSE;
  68 static gboolean tabbed_automagic = TRUE;
  69
  70
  71 void
  72 adblock(WebKitWebView *web_view, WebKitWebFrame *frame,
  73         WebKitWebResource *resource, WebKitNetworkRequest *request,
  74         WebKitNetworkResponse *response, gpointer data)
  75 {
  76         GSList *it = adblock_patterns;
  77         const gchar *uri;
  78
  79         (void)web_view;
  80         (void)frame;
  81         (void)resource;
  82         (void)response;
  83         (void)data;
  84
  85         uri = webkit_network_request_get_uri(request);
  86         if (show_all_requests)
  87                 fprintf(stderr, "   -> %s\n", uri);
  88
  89         while (it)
  90         {
  91                 if (g_regex_match((GRegex *)(it->data), uri, 0, NULL))
  92                 {
  93                         webkit_network_request_set_uri(request, "about:blank");
  94                         if (show_all_requests)
  95                                 fprintf(stderr, "            BLOCKED!\n");
  96                         return;
  97                 }
  98                 it = g_slist_next(it);
  99         }
 100 }
 101
 102 void
 103 adblock_load(void)
 104 {
 105         GRegex *re = NULL;
 106         GError *err = NULL;
 107         GIOChannel *channel = NULL;
 108         gchar *path = NULL;
 109         gchar *buf = NULL;
 110
 111         path = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock.black",
 112                                 NULL);
 113         channel = g_io_channel_new_file(path, "r", &err);
 114         if (channel != NULL)
 115         {
 116                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 117                        == G_IO_STATUS_NORMAL)
 118                 {
 119                         g_strstrip(buf);
 120                         re = g_regex_new(buf,
 121                                          G_REGEX_CASELESS | G_REGEX_OPTIMIZE,
 122                                          G_REGEX_MATCH_PARTIAL, &err);
 123                         if (err != NULL)
 124                         {
 125                                 fprintf(stderr, __NAME__": Could not compile regex: %s\n", buf);
 126                                 g_error_free(err);
 127                                 err = NULL;
 128                         }
 129                         adblock_patterns = g_slist_append(adblock_patterns, re);
 130
 131                         g_free(buf);
 132                 }
 133         }
 134         g_free(path);
 135 }
 136
 137 void
 138 client_destroy(GtkWidget *obj, gpointer data)
 139 {
 140         struct Client *c = (struct Client *)data;
 141
 142         (void)obj;
 143         (void)data;
 144
 145         free(c);
 146         clients--;
 147
 148         if (clients == 0)
 149                 gtk_main_quit();
 150 }
 151
 152 gboolean
 153 client_destroy_request(WebKitWebView *web_view, gpointer data)
 154 {
 155         struct Client *c = (struct Client *)data;
 156
 157         (void)web_view;
 158
 159         gtk_widget_destroy(c->win);
 160
 161         return TRUE;
 162 }
 163
 164 WebKitWebView *
 165 client_new(const gchar *uri)
 166 {
 167         struct Client *c;
 168         gchar *f;
 169
 170         if (uri != NULL && cooperative_instances && !cooperative_alone)
 171         {
 172                 write(cooperative_pipe_fp, uri, strlen(uri));
 173                 write(cooperative_pipe_fp, "\n", 1);
 174                 return NULL;
 175         }
 176
 177         c = malloc(sizeof(struct Client));
 178         if (!c)
 179         {
 180                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 181                 exit(EXIT_FAILURE);
 182         }
 183
 184         c->win = NULL;
 185         if (embed != 0)
 186         {
 187                 c->win = gtk_plug_new(embed);
 188                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 189                 {
 190                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 191                         gtk_widget_destroy(c->win);
 192                         c->win = NULL;
 193                         embed = 0;
 194                 }
 195         }
 196
 197         if (c->win == NULL)
 198         {
 199                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 200                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 201         }
 202
 203         /* When using Gtk2, it only shows a white area when run in suckless'
 204          * tabbed. It appears we need to set a default window size for this
 205          * to work. This is not needed when using Gtk3. */
 206         gtk_window_set_default_size(GTK_WINDOW(c->win), 1024, 768);
 207
 208         g_signal_connect(G_OBJECT(c->win), "destroy", 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
 213         /* XXX I really do want to enable this option. However, I get
 214          * reproducable crashes with it enabled. I've seen bug reports from
 215          * 2010 about this... WebKit crashes in libpixman, so maybe it's not
 216          * a WebKit issue.
 217          * Yeah, well. I'll turn it off for now. */
 218         /*webkit_web_view_set_full_content_zoom(WEBKIT_WEB_VIEW(c->web_view), TRUE);*/
 219
 220         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 221         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 222                          G_CALLBACK(changed_title), c);
 223         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 224                          G_CALLBACK(changed_uri), c);
 225         g_signal_connect(G_OBJECT(c->web_view), "notify::load-status",
 226                          G_CALLBACK(changed_load_status), c);
 227         g_signal_connect(G_OBJECT(c->web_view), "create-web-view",
 228                          G_CALLBACK(client_new_request), NULL);
 229         g_signal_connect(G_OBJECT(c->web_view), "close-web-view",
 230                          G_CALLBACK(client_destroy_request), c);
 231         g_signal_connect(G_OBJECT(c->web_view),
 232                          "mime-type-policy-decision-requested",
 233                          G_CALLBACK(download_request), NULL);
 234         g_signal_connect(G_OBJECT(c->web_view), "download-requested",
 235                          G_CALLBACK(download_handle), NULL);
 236         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 237                          G_CALLBACK(key_web_view), c);
 238         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 239                          G_CALLBACK(key_web_view), c);
 240         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 241                          G_CALLBACK(hover_web_view), c);
 242         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 243                          G_CALLBACK(adblock), NULL);
 244
 245         if (!language_is_set)
 246         {
 247                 g_object_set(webkit_get_default_session(), "accept-language",
 248                              accepted_language, NULL);
 249                 language_is_set = TRUE;
 250         }
 251
 252         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 253
 254         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 255
 256         c->location = gtk_entry_new();
 257         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 258                          G_CALLBACK(key_location), c);
 259
 260         c->status = gtk_statusbar_new();
 261         gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(c->status), FALSE);
 262
 263         c->vbox = gtk_vbox_new(FALSE, 2);
 264         gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 265         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 266         gtk_box_pack_end(GTK_BOX(c->vbox), c->status, FALSE, FALSE, 0);
 267
 268         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 269
 270         gtk_widget_grab_focus(c->web_view);
 271         gtk_widget_show_all(c->win);
 272
 273         if (uri != NULL)
 274         {
 275                 f = ensure_url_scheme(uri);
 276                 if (show_all_requests)
 277                         fprintf(stderr, "====> %s\n", uri);
 278                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 279                 g_free(f);
 280         }
 281
 282         clients++;
 283
 284         return WEBKIT_WEB_VIEW(c->web_view);
 285 }
 286
 287 WebKitWebView *
 288 client_new_request(WebKitWebView *web_view, WebKitWebFrame *frame, gpointer data)
 289 {
 290         (void)web_view;
 291         (void)frame;
 292         (void)data;
 293
 294         return client_new(NULL);
 295 }
 296
 297 void
 298 cooperation_setup(void)
 299 {
 300         GIOChannel *towatch;
 301         gchar *fifopath;
 302
 303         fifopath = g_build_filename(g_get_user_runtime_dir(), __NAME__".fifo", NULL);
 304
 305         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 306                 mkfifo(fifopath, 0600);
 307
 308         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 309         if (!cooperative_pipe_fp)
 310         {
 311                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 312         }
 313         else
 314         {
 315                 if (write(cooperative_pipe_fp, "", 0) == -1)
 316                 {
 317                         /* Could not do an empty write to the FIFO which means there's
 318                          * no one listening. */
 319                         close(cooperative_pipe_fp);
 320                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 321                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 322                 }
 323                 else
 324                         cooperative_alone = FALSE;
 325         }
 326
 327         g_free(fifopath);
 328 }
 329
 330 void
 331 changed_load_status(GObject *obj, GParamSpec *pspec, gpointer data)
 332 {
 333         struct Client *c = (struct Client *)data;
 334
 335         (void)obj;
 336         (void)pspec;
 337
 338         if (webkit_web_view_get_load_status(WEBKIT_WEB_VIEW(c->web_view))
 339             == WEBKIT_LOAD_FINISHED)
 340         {
 341                 gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 342                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Finished.");
 343         }
 344         else
 345         {
 346                 gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 347                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Loading...");
 348         }
 349 }
 350
 351 void
 352 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 353 {
 354         const gchar *t;
 355         struct Client *c = (struct Client *)data;
 356
 357         (void)obj;
 358         (void)pspec;
 359
 360         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 361         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 362 }
 363
 364 void
 365 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 366 {
 367         const gchar *t;
 368         struct Client *c = (struct Client *)data;
 369
 370         (void)obj;
 371         (void)pspec;
 372
 373         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 374         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 375 }
 376
 377 gboolean
 378 download_handle(WebKitWebView *web_view, WebKitDownload *download, gpointer data)
 379 {
 380         gchar *path, *path2 = NULL, *uri;
 381         gboolean ret;
 382         int suffix = 1;
 383
 384         (void)web_view;
 385         (void)data;
 386
 387         path = g_build_filename(download_dir,
 388                                 webkit_download_get_suggested_filename(download),
 389                                 NULL);
 390         path2 = g_strdup(path);
 391         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 392         {
 393                 g_free(path2);
 394
 395                 path2 = g_strdup_printf("%s.%d", path, suffix);
 396                 suffix++;
 397         }
 398
 399         if (suffix == 1000)
 400         {
 401                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 402                 ret = FALSE;
 403         }
 404         else
 405         {
 406                 uri = g_filename_to_uri(path2, NULL, NULL);
 407                 webkit_download_set_destination_uri(download, uri);
 408                 ret = TRUE;
 409                 g_free(uri);
 410         }
 411
 412         g_free(path);
 413         g_free(path2);
 414
 415         return ret;
 416 }
 417
 418 gboolean
 419 download_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 420                  WebKitNetworkRequest *request, gchar *mime_type,
 421                  WebKitWebPolicyDecision *policy_decision, gpointer data)
 422 {
 423         (void)frame;
 424         (void)request;
 425         (void)data;
 426
 427         if (!webkit_web_view_can_show_mime_type(web_view, mime_type))
 428         {
 429                 webkit_web_policy_decision_download(policy_decision);
 430                 return TRUE;
 431         }
 432         return FALSE;
 433 }
 434
 435 gchar *
 436 ensure_url_scheme(const gchar *t)
 437 {
 438         gchar *f;
 439
 440         f = g_ascii_strdown(t, -1);
 441         if (!g_str_has_prefix(f, "http:") &&
 442             !g_str_has_prefix(f, "https:") &&
 443             !g_str_has_prefix(f, "file:") &&
 444             !g_str_has_prefix(f, "about:"))
 445         {
 446                 g_free(f);
 447                 f = g_strdup_printf("http://%s", t);
 448                 return f;
 449         }
 450         else
 451                 return g_strdup(t);
 452 }
 453
 454 void
 455 grab_environment_configuration(void)
 456 {
 457         const gchar *e;
 458
 459         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 460         if (e != NULL)
 461                 accepted_language = g_strdup(e);
 462
 463         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 464         if (e != NULL)
 465                 download_dir = g_strdup(e);
 466
 467         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 468         if (e != NULL)
 469                 global_zoom = atof(e);
 470 }
 471
 472 void
 473 hover_web_view(WebKitWebView *web_view, gchar *title, gchar *uri, gpointer data)
 474 {
 475         struct Client *c = (struct Client *)data;
 476
 477         (void)web_view;
 478         (void)title;
 479
 480         gtk_statusbar_pop(GTK_STATUSBAR(c->status), 0);
 481         if (uri != NULL)
 482                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 0, uri);
 483 }
 484
 485 gboolean
 486 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 487 {
 488         struct Client *c = (struct Client *)data;
 489         const gchar *t;
 490         gchar *f;
 491
 492         (void)widget;
 493
 494         if (event->type == GDK_KEY_PRESS)
 495         {
 496                 switch (((GdkEventKey *)event)->keyval)
 497                 {
 498                         case GDK_KEY_Return:
 499                                 gtk_widget_grab_focus(c->web_view);
 500                                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 501                                 if (t != NULL && t[0] == '/')
 502                                 {
 503                                         if (search_text != NULL)
 504                                                 g_free(search_text);
 505                                         search_text = g_strdup(t + 1);  /* XXX whacky */
 506                                         search(c, 1);
 507                                 }
 508                                 else
 509                                 {
 510                                         f = ensure_url_scheme(t);
 511                                         if (show_all_requests)
 512                                                 fprintf(stderr, "====> %s\n", f);
 513                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 514                                         g_free(f);
 515                                 }
 516                                 return TRUE;
 517                         case GDK_KEY_Escape:
 518                                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 519                                 gtk_entry_set_text(GTK_ENTRY(c->location),
 520                                                    (t == NULL ? __NAME__ : t));
 521                                 return TRUE;
 522                 }
 523         }
 524
 525         return FALSE;
 526 }
 527
 528 gboolean
 529 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 530 {
 531         struct Client *c = (struct Client *)data;
 532         WebKitHitTestResultContext ht_context;
 533         WebKitHitTestResult *ht_result = NULL;
 534         gchar *ht_uri = NULL, *f;
 535
 536         (void)widget;
 537
 538         if (event->type == GDK_KEY_PRESS)
 539         {
 540                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK)
 541                 {
 542                         switch (((GdkEventKey *)event)->keyval)
 543                         {
 544                                 case GDK_KEY_o:
 545                                         gtk_widget_grab_focus(c->location);
 546                                         return TRUE;
 547                                 case GDK_KEY_h:
 548                                         scroll(gtk_scrolled_window_get_hadjustment(
 549                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 550                                         return TRUE;
 551                                 case GDK_KEY_j:
 552                                         scroll(gtk_scrolled_window_get_vadjustment(
 553                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 554                                         return TRUE;
 555                                 case GDK_KEY_k:
 556                                         scroll(gtk_scrolled_window_get_vadjustment(
 557                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 558                                         return TRUE;
 559                                 case GDK_KEY_l:
 560                                         scroll(gtk_scrolled_window_get_hadjustment(
 561                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 562                                         return TRUE;
 563                                 case GDK_KEY_f:
 564                                         scroll(gtk_scrolled_window_get_vadjustment(
 565                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, 0.5);
 566                                         return TRUE;
 567                                 case GDK_KEY_b:
 568                                         scroll(gtk_scrolled_window_get_vadjustment(
 569                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, -0.5);
 570                                         return TRUE;
 571                                 case GDK_KEY_n:
 572                                         search(c, 1);
 573                                         return TRUE;
 574                                 case GDK_KEY_p:
 575                                         search(c, -1);
 576                                         return TRUE;
 577                                 case GDK_KEY_g:
 578                                         f = ensure_url_scheme(first_uri);
 579                                         if (show_all_requests)
 580                                                 fprintf(stderr, "====> %s\n", f);
 581                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 582                                         g_free(f);
 583                                         return TRUE;
 584                         }
 585                 }
 586                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 587                 {
 588                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 589                         gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 590                         gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Aborted.");
 591                 }
 592         }
 593         else if (event->type == GDK_BUTTON_PRESS)
 594         {
 595                 switch (((GdkEventButton *)event)->button)
 596                 {
 597                         case 2:
 598                                 ht_result = webkit_web_view_get_hit_test_result(
 599                                                                    WEBKIT_WEB_VIEW(c->web_view),
 600                                                                        (GdkEventButton *)event);
 601                                 g_object_get(ht_result, "context", &ht_context, NULL);
 602                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 603                                 {
 604                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 605                                         client_new(ht_uri);
 606                                         g_object_unref(ht_result);
 607                                         return TRUE;
 608                                 }
 609                                 g_object_unref(ht_result);
 610                                 return FALSE;
 611                         case 8:
 612                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 613                                 return TRUE;
 614                         case 9:
 615                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 616                                 return TRUE;
 617                 }
 618         }
 619
 620         return FALSE;
 621 }
 622
 623 gboolean
 624 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 625 {
 626         gchar *uri = NULL;
 627
 628         (void)condition;
 629         (void)data;
 630
 631         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 632         if (uri)
 633         {
 634                 g_strstrip(uri);
 635                 client_new(uri);
 636                 g_free(uri);
 637         }
 638         return TRUE;
 639 }
 640
 641 void
 642 search(gpointer data, gint direction)
 643 {
 644         struct Client *c = (struct Client *)data;
 645
 646         if (search_text == NULL)
 647                 return;
 648
 649         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 650                                     FALSE, direction == 1, TRUE);
 651 }
 652
 653 void
 654 scroll(GtkAdjustment *a, gint step_type, gdouble factor)
 655 {
 656         gdouble new, lower, upper, step;
 657         lower = gtk_adjustment_get_lower(a);
 658         upper = gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a) + lower;
 659         if (step_type == 0)
 660                 step = gtk_adjustment_get_step_increment(a);
 661         else
 662                 step = gtk_adjustment_get_page_increment(a);
 663         new = gtk_adjustment_get_value(a) + factor * step;
 664         new = new < lower ? lower : new;
 665         new = new > upper ? upper : new;
 666         gtk_adjustment_set_value(a, new);
 667 }
 668
 669 Window
 670 tabbed_launch(void)
 671 {
 672         gint tabbed_stdout;
 673         GIOChannel *tabbed_stdout_channel;
 674         GError *err = NULL;
 675         gchar *output = NULL;
 676         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 677         Window plug_into;
 678
 679         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 680                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 681                                       &err))
 682         {
 683                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 684                 g_error_free(err);
 685                 return 0;
 686         }
 687
 688         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 689         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 690         if (output == NULL)
 691         {
 692                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 693                 return 0;
 694         }
 695
 696         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 697
 698         g_strstrip(output);
 699         plug_into = strtol(output, NULL, 16);
 700         g_free(output);
 701         return plug_into;
 702 }
 703
 704 void
 705 usage(void)
 706 {
 707         fprintf(stderr, "Usage: "__NAME__" [OPTION]... <URI>...\n");
 708         exit(EXIT_FAILURE);
 709 }
 710
 711
 712 int
 713 main(int argc, char **argv)
 714 {
 715         int opt, i;
 716
 717         gtk_init(&argc, &argv);
 718
 719         grab_environment_configuration();
 720
 721         while ((opt = getopt(argc, argv, "e:rCT")) != -1)
 722         {
 723                 switch (opt)
 724                 {
 725                         case 'e':
 726                                 embed = atol(optarg);
 727                                 tabbed_automagic = FALSE;
 728                                 break;
 729                         case 'r':
 730                                 show_all_requests = TRUE;
 731                                 break;
 732                         case 'C':
 733                                 cooperative_instances = FALSE;
 734                                 break;
 735                         case 'T':
 736                                 tabbed_automagic = FALSE;
 737                                 break;
 738                         default:
 739                                 usage();
 740                 }
 741         }
 742
 743         if (optind >= argc)
 744                 usage();
 745
 746         adblock_load();
 747         cooperation_setup();
 748
 749         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 750                 embed = tabbed_launch();
 751
 752         first_uri = g_strdup(argv[optind]);
 753         for (i = optind; i < argc; i++)
 754                 client_new(argv[i]);
 755         if (!cooperative_instances || cooperative_alone)
 756                 gtk_main();
 757         exit(EXIT_SUCCESS);
 758 }