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_progress(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_reset_indicator(gpointer);
  30 static gboolean download_request(WebKitWebView *, WebKitWebFrame *,
  31                                  WebKitNetworkRequest *, gchar *,
  32                                  WebKitWebPolicyDecision *, gpointer);
  33 static void downloadmanager_cancel(GtkToolButton *, gpointer data);
  34 static void downloadmanager_progress(GObject *obj, GParamSpec *pspec,
  35                                      gpointer data);
  36 static void downloadmanager_setup(void);
  37 static gchar *ensure_url_scheme(const gchar *);
  38 static void grab_environment_configuration(void);
  39 static void hover_web_view(WebKitWebView *, gchar *, gchar *, gpointer);
  40 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  41 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  42 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  43 static void search(gpointer, gint);
  44 static void scroll(GtkAdjustment *, gint, gdouble);
  45 static Window tabbed_launch(void);
  46 static void usage(void);
  47
  48
  49 struct Client
  50 {
  51         GtkWidget *location;
  52         GtkWidget *progress;
  53         GtkWidget *scroll;
  54         GtkWidget *status;
  55         GtkWidget *top_box;
  56         GtkWidget *vbox;
  57         GtkWidget *web_view;
  58         GtkWidget *win;
  59 };
  60
  61 struct DownloadManager
  62 {
  63         GtkWidget *scroll;
  64         GtkWidget *toolbar;
  65         GtkWidget *win;
  66 } dm;
  67
  68
  69 static gchar *accepted_language = "en-US";
  70 static GSList *adblock_patterns = NULL;
  71 static gint clients = 0;
  72 static gboolean cooperative_alone = TRUE;
  73 static gboolean cooperative_instances = TRUE;
  74 static int cooperative_pipe_fp = 0;
  75 static gchar *download_dir = "/tmp";
  76 static gint downloads_indicated = 0;
  77 static Window embed = 0;
  78 static gchar *first_uri = NULL;
  79 static gdouble global_zoom = 1.0;
  80 static gboolean language_is_set = FALSE;
  81 static gchar *search_text = NULL;
  82 static gboolean show_all_requests = FALSE;
  83 static gboolean tabbed_automagic = TRUE;
  84
  85
  86 void
  87 adblock(WebKitWebView *web_view, WebKitWebFrame *frame,
  88         WebKitWebResource *resource, WebKitNetworkRequest *request,
  89         WebKitNetworkResponse *response, gpointer data)
  90 {
  91         GSList *it = adblock_patterns;
  92         const gchar *uri;
  93
  94         (void)web_view;
  95         (void)frame;
  96         (void)resource;
  97         (void)response;
  98         (void)data;
  99
 100         uri = webkit_network_request_get_uri(request);
 101         if (show_all_requests)
 102                 fprintf(stderr, "   -> %s\n", uri);
 103
 104         while (it)
 105         {
 106                 if (g_regex_match((GRegex *)(it->data), uri, 0, NULL))
 107                 {
 108                         webkit_network_request_set_uri(request, "about:blank");
 109                         if (show_all_requests)
 110                                 fprintf(stderr, "            BLOCKED!\n");
 111                         return;
 112                 }
 113                 it = g_slist_next(it);
 114         }
 115 }
 116
 117 void
 118 adblock_load(void)
 119 {
 120         GRegex *re = NULL;
 121         GError *err = NULL;
 122         GIOChannel *channel = NULL;
 123         gchar *path = NULL;
 124         gchar *buf = NULL;
 125
 126         path = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock.black",
 127                                 NULL);
 128         channel = g_io_channel_new_file(path, "r", &err);
 129         if (channel != NULL)
 130         {
 131                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 132                        == G_IO_STATUS_NORMAL)
 133                 {
 134                         g_strstrip(buf);
 135                         re = g_regex_new(buf,
 136                                          G_REGEX_CASELESS | G_REGEX_OPTIMIZE,
 137                                          G_REGEX_MATCH_PARTIAL, &err);
 138                         if (err != NULL)
 139                         {
 140                                 fprintf(stderr, __NAME__": Could not compile regex: %s\n", buf);
 141                                 g_error_free(err);
 142                                 err = NULL;
 143                         }
 144                         adblock_patterns = g_slist_append(adblock_patterns, re);
 145
 146                         g_free(buf);
 147                 }
 148         }
 149         g_free(path);
 150 }
 151
 152 void
 153 client_destroy(GtkWidget *obj, gpointer data)
 154 {
 155         struct Client *c = (struct Client *)data;
 156
 157         (void)obj;
 158         (void)data;
 159
 160         free(c);
 161         clients--;
 162
 163         if (clients == 0)
 164                 gtk_main_quit();
 165 }
 166
 167 gboolean
 168 client_destroy_request(WebKitWebView *web_view, gpointer data)
 169 {
 170         struct Client *c = (struct Client *)data;
 171
 172         (void)web_view;
 173
 174         gtk_widget_destroy(c->win);
 175
 176         return TRUE;
 177 }
 178
 179 WebKitWebView *
 180 client_new(const gchar *uri)
 181 {
 182         struct Client *c;
 183         gchar *f;
 184
 185         if (uri != NULL && cooperative_instances && !cooperative_alone)
 186         {
 187                 write(cooperative_pipe_fp, uri, strlen(uri));
 188                 write(cooperative_pipe_fp, "\n", 1);
 189                 return NULL;
 190         }
 191
 192         c = malloc(sizeof(struct Client));
 193         if (!c)
 194         {
 195                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 196                 exit(EXIT_FAILURE);
 197         }
 198
 199         c->win = NULL;
 200         if (embed != 0)
 201         {
 202                 c->win = gtk_plug_new(embed);
 203                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 204                 {
 205                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 206                         gtk_widget_destroy(c->win);
 207                         c->win = NULL;
 208                         embed = 0;
 209                 }
 210         }
 211
 212         if (c->win == NULL)
 213         {
 214                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 215                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 216         }
 217
 218         /* When using Gtk2, it only shows a white area when run in suckless'
 219          * tabbed. It appears we need to set a default window size for this
 220          * to work. This is not needed when using Gtk3. */
 221         gtk_window_set_default_size(GTK_WINDOW(c->win), 1024, 768);
 222
 223         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 224         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 225
 226         c->web_view = webkit_web_view_new();
 227
 228         /* XXX I really do want to enable this option. However, I get
 229          * reproducable crashes with it enabled. I've seen bug reports from
 230          * 2010 about this... WebKit crashes in libpixman, so maybe it's not
 231          * a WebKit issue.
 232          * Yeah, well. I'll turn it off for now. */
 233         /*webkit_web_view_set_full_content_zoom(WEBKIT_WEB_VIEW(c->web_view), TRUE);*/
 234
 235         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 236         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 237                          G_CALLBACK(changed_title), c);
 238         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 239                          G_CALLBACK(changed_uri), c);
 240         g_signal_connect(G_OBJECT(c->web_view), "notify::progress",
 241                          G_CALLBACK(changed_load_progress), c);
 242         g_signal_connect(G_OBJECT(c->web_view), "create-web-view",
 243                          G_CALLBACK(client_new_request), NULL);
 244         g_signal_connect(G_OBJECT(c->web_view), "close-web-view",
 245                          G_CALLBACK(client_destroy_request), c);
 246         g_signal_connect(G_OBJECT(c->web_view),
 247                          "mime-type-policy-decision-requested",
 248                          G_CALLBACK(download_request), NULL);
 249         g_signal_connect(G_OBJECT(c->web_view), "download-requested",
 250                          G_CALLBACK(download_handle), c);
 251         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 252                          G_CALLBACK(key_web_view), c);
 253         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 254                          G_CALLBACK(key_web_view), c);
 255         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 256                          G_CALLBACK(hover_web_view), c);
 257         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 258                          G_CALLBACK(adblock), NULL);
 259
 260         if (!language_is_set)
 261         {
 262                 g_object_set(webkit_get_default_session(), "accept-language",
 263                              accepted_language, NULL);
 264                 language_is_set = TRUE;
 265         }
 266
 267         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 268
 269         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 270
 271         c->location = gtk_entry_new();
 272         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 273                          G_CALLBACK(key_location), c);
 274
 275         c->progress = gtk_progress_bar_new();
 276         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), 0);
 277
 278         c->status = gtk_progress_bar_new();
 279         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 0);
 280         gtk_widget_set_size_request(c->status, 20, -1);
 281
 282         c->top_box = gtk_hbox_new(FALSE, 0);
 283         gtk_box_pack_start(GTK_BOX(c->top_box), c->status, FALSE, FALSE, 2);
 284         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 285         gtk_box_pack_end(GTK_BOX(c->top_box), c->progress, FALSE, TRUE, 2);
 286
 287         c->vbox = gtk_vbox_new(FALSE, 0);
 288         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 2);
 289         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 290
 291         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 292
 293         gtk_widget_grab_focus(c->web_view);
 294         gtk_widget_show_all(c->win);
 295
 296         if (uri != NULL)
 297         {
 298                 f = ensure_url_scheme(uri);
 299                 if (show_all_requests)
 300                         fprintf(stderr, "====> %s\n", uri);
 301                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 302                 g_free(f);
 303         }
 304
 305         clients++;
 306
 307         return WEBKIT_WEB_VIEW(c->web_view);
 308 }
 309
 310 WebKitWebView *
 311 client_new_request(WebKitWebView *web_view, WebKitWebFrame *frame, gpointer data)
 312 {
 313         (void)web_view;
 314         (void)frame;
 315         (void)data;
 316
 317         return client_new(NULL);
 318 }
 319
 320 void
 321 cooperation_setup(void)
 322 {
 323         GIOChannel *towatch;
 324         gchar *fifopath;
 325
 326         fifopath = g_build_filename(g_get_user_runtime_dir(), __NAME__".fifo", NULL);
 327
 328         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 329                 mkfifo(fifopath, 0600);
 330
 331         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 332         if (!cooperative_pipe_fp)
 333         {
 334                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 335         }
 336         else
 337         {
 338                 if (write(cooperative_pipe_fp, "", 0) == -1)
 339                 {
 340                         /* Could not do an empty write to the FIFO which means there's
 341                          * no one listening. */
 342                         close(cooperative_pipe_fp);
 343                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 344                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 345                 }
 346                 else
 347                         cooperative_alone = FALSE;
 348         }
 349
 350         g_free(fifopath);
 351 }
 352
 353 void
 354 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 355 {
 356         struct Client *c = (struct Client *)data;
 357         gdouble p;
 358
 359         (void)obj;
 360         (void)pspec;
 361
 362         p = webkit_web_view_get_progress(WEBKIT_WEB_VIEW(c->web_view));
 363         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), p);
 364 }
 365
 366 void
 367 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 368 {
 369         const gchar *t;
 370         struct Client *c = (struct Client *)data;
 371
 372         (void)obj;
 373         (void)pspec;
 374
 375         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 376         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 377 }
 378
 379 void
 380 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 381 {
 382         const gchar *t;
 383         struct Client *c = (struct Client *)data;
 384
 385         (void)obj;
 386         (void)pspec;
 387
 388         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 389         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 390 }
 391
 392 gboolean
 393 download_handle(WebKitWebView *web_view, WebKitDownload *download, gpointer data)
 394 {
 395         struct Client *c = (struct Client *)data;
 396         gchar *path, *path2 = NULL, *uri;
 397         GtkToolItem *tb;
 398         gboolean ret;
 399         int suffix = 1;
 400
 401         (void)web_view;
 402         (void)data;
 403
 404         path = g_build_filename(download_dir,
 405                                 webkit_download_get_suggested_filename(download),
 406                                 NULL);
 407         path2 = g_strdup(path);
 408         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 409         {
 410                 g_free(path2);
 411
 412                 path2 = g_strdup_printf("%s.%d", path, suffix);
 413                 suffix++;
 414         }
 415
 416         if (suffix == 1000)
 417         {
 418                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 419                 ret = FALSE;
 420         }
 421         else
 422         {
 423                 uri = g_filename_to_uri(path2, NULL, NULL);
 424                 webkit_download_set_destination_uri(download, uri);
 425                 ret = TRUE;
 426                 g_free(uri);
 427
 428                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 1);
 429                 downloads_indicated++;
 430                 g_timeout_add(500, download_reset_indicator, c);
 431
 432                 tb = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
 433                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb),
 434                                           webkit_download_get_suggested_filename(download));
 435                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 436                 gtk_widget_show_all(dm.toolbar);
 437
 438                 g_signal_connect(G_OBJECT(download), "notify::progress",
 439                                  G_CALLBACK(downloadmanager_progress), tb);
 440
 441                 g_object_ref(download);
 442                 g_signal_connect(G_OBJECT(tb), "clicked",
 443                                  G_CALLBACK(downloadmanager_cancel), download);
 444         }
 445
 446         g_free(path);
 447         g_free(path2);
 448
 449         return ret;
 450 }
 451
 452 gboolean
 453 download_reset_indicator(gpointer data)
 454 {
 455         struct Client *c = (struct Client *)data;
 456
 457         downloads_indicated--;
 458         if (downloads_indicated == 0)
 459                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 0);
 460
 461         return FALSE;
 462 }
 463
 464 gboolean
 465 download_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 466                  WebKitNetworkRequest *request, gchar *mime_type,
 467                  WebKitWebPolicyDecision *policy_decision, gpointer data)
 468 {
 469         (void)frame;
 470         (void)request;
 471         (void)data;
 472
 473         if (!webkit_web_view_can_show_mime_type(web_view, mime_type))
 474         {
 475                 webkit_web_policy_decision_download(policy_decision);
 476                 return TRUE;
 477         }
 478         return FALSE;
 479 }
 480
 481 void
 482 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 483 {
 484         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 485
 486         webkit_download_cancel(download);
 487         g_object_unref(download);
 488
 489         gtk_widget_destroy(GTK_WIDGET(tb));
 490 }
 491
 492 void
 493 downloadmanager_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 494 {
 495         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 496         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 497         gdouble p;
 498         gchar *t;
 499
 500         (void)pspec;
 501
 502         p = webkit_download_get_progress(download) * 100;
 503         t = g_strdup_printf("%s (%.0f%%)",
 504                             webkit_download_get_suggested_filename(download),
 505                                                 p);
 506         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 507         g_free(t);
 508 }
 509
 510 void
 511 downloadmanager_setup(void)
 512 {
 513         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 514         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 515         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 516         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 517         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 518                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 519
 520         dm.toolbar = gtk_toolbar_new();
 521         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 522                                        GTK_ORIENTATION_VERTICAL);
 523         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 524         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 525
 526         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 527         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 528                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 529         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(dm.scroll),
 530                                               dm.toolbar);
 531
 532         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 533 }
 534
 535 gchar *
 536 ensure_url_scheme(const gchar *t)
 537 {
 538         gchar *f;
 539
 540         f = g_ascii_strdown(t, -1);
 541         if (!g_str_has_prefix(f, "http:") &&
 542             !g_str_has_prefix(f, "https:") &&
 543             !g_str_has_prefix(f, "file:") &&
 544             !g_str_has_prefix(f, "about:"))
 545         {
 546                 g_free(f);
 547                 f = g_strdup_printf("http://%s", t);
 548                 return f;
 549         }
 550         else
 551                 return g_strdup(t);
 552 }
 553
 554 void
 555 grab_environment_configuration(void)
 556 {
 557         const gchar *e;
 558
 559         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 560         if (e != NULL)
 561                 accepted_language = g_strdup(e);
 562
 563         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 564         if (e != NULL)
 565                 download_dir = g_strdup(e);
 566
 567         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 568         if (e != NULL)
 569                 global_zoom = atof(e);
 570 }
 571
 572 void
 573 hover_web_view(WebKitWebView *web_view, gchar *title, gchar *uri, gpointer data)
 574 {
 575         struct Client *c = (struct Client *)data;
 576
 577         (void)web_view;
 578         (void)title;
 579
 580         if (!gtk_widget_is_focus(c->location))
 581         {
 582                 if (uri == NULL)
 583                         gtk_entry_set_text(GTK_ENTRY(c->location),
 584                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 585                 else
 586                         gtk_entry_set_text(GTK_ENTRY(c->location), uri);
 587         }
 588 }
 589
 590 gboolean
 591 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 592 {
 593         struct Client *c = (struct Client *)data;
 594         const gchar *t;
 595         gchar *f;
 596
 597         (void)widget;
 598
 599         if (event->type == GDK_KEY_PRESS)
 600         {
 601                 switch (((GdkEventKey *)event)->keyval)
 602                 {
 603                         case GDK_KEY_Return:
 604                                 gtk_widget_grab_focus(c->web_view);
 605                                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 606                                 if (t != NULL && t[0] == '/')
 607                                 {
 608                                         if (search_text != NULL)
 609                                                 g_free(search_text);
 610                                         search_text = g_strdup(t + 1);  /* XXX whacky */
 611                                         search(c, 1);
 612                                 }
 613                                 else
 614                                 {
 615                                         f = ensure_url_scheme(t);
 616                                         if (show_all_requests)
 617                                                 fprintf(stderr, "====> %s\n", f);
 618                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 619                                         g_free(f);
 620                                 }
 621                                 return TRUE;
 622                         case GDK_KEY_Escape:
 623                                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 624                                 gtk_entry_set_text(GTK_ENTRY(c->location),
 625                                                    (t == NULL ? __NAME__ : t));
 626                                 return TRUE;
 627                         case GDK_KEY_d:
 628                                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK)
 629                                 {
 630                                         gtk_widget_show_all(dm.win);
 631                                         return TRUE;
 632                                 }
 633                                 else
 634                                         return FALSE;
 635                 }
 636         }
 637
 638         return FALSE;
 639 }
 640
 641 gboolean
 642 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 643 {
 644         struct Client *c = (struct Client *)data;
 645         WebKitHitTestResultContext ht_context;
 646         WebKitHitTestResult *ht_result = NULL;
 647         gchar *ht_uri = NULL, *f;
 648
 649         (void)widget;
 650
 651         if (event->type == GDK_KEY_PRESS)
 652         {
 653                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK)
 654                 {
 655                         switch (((GdkEventKey *)event)->keyval)
 656                         {
 657                                 case GDK_KEY_o:
 658                                         gtk_widget_grab_focus(c->location);
 659                                         return TRUE;
 660                                 case GDK_KEY_h:
 661                                         scroll(gtk_scrolled_window_get_hadjustment(
 662                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 663                                         return TRUE;
 664                                 case GDK_KEY_j:
 665                                         scroll(gtk_scrolled_window_get_vadjustment(
 666                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 667                                         return TRUE;
 668                                 case GDK_KEY_k:
 669                                         scroll(gtk_scrolled_window_get_vadjustment(
 670                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 671                                         return TRUE;
 672                                 case GDK_KEY_l:
 673                                         scroll(gtk_scrolled_window_get_hadjustment(
 674                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 675                                         return TRUE;
 676                                 case GDK_KEY_f:
 677                                         scroll(gtk_scrolled_window_get_vadjustment(
 678                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, 0.5);
 679                                         return TRUE;
 680                                 case GDK_KEY_b:
 681                                         scroll(gtk_scrolled_window_get_vadjustment(
 682                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, -0.5);
 683                                         return TRUE;
 684                                 case GDK_KEY_n:
 685                                         search(c, 1);
 686                                         return TRUE;
 687                                 case GDK_KEY_p:
 688                                         search(c, -1);
 689                                         return TRUE;
 690                                 case GDK_KEY_g:
 691                                         f = ensure_url_scheme(first_uri);
 692                                         if (show_all_requests)
 693                                                 fprintf(stderr, "====> %s\n", f);
 694                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 695                                         g_free(f);
 696                                         return TRUE;
 697                                 case GDK_KEY_d:
 698                                         gtk_widget_show_all(dm.win);
 699                                         return TRUE;
 700                         }
 701                 }
 702                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 703                 {
 704                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 705                         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), 0);
 706                 }
 707         }
 708         else if (event->type == GDK_BUTTON_PRESS)
 709         {
 710                 switch (((GdkEventButton *)event)->button)
 711                 {
 712                         case 2:
 713                                 ht_result = webkit_web_view_get_hit_test_result(
 714                                                                    WEBKIT_WEB_VIEW(c->web_view),
 715                                                                        (GdkEventButton *)event);
 716                                 g_object_get(ht_result, "context", &ht_context, NULL);
 717                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 718                                 {
 719                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 720                                         client_new(ht_uri);
 721                                         g_object_unref(ht_result);
 722                                         return TRUE;
 723                                 }
 724                                 g_object_unref(ht_result);
 725                                 return FALSE;
 726                         case 8:
 727                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 728                                 return TRUE;
 729                         case 9:
 730                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 731                                 return TRUE;
 732                 }
 733         }
 734
 735         return FALSE;
 736 }
 737
 738 gboolean
 739 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 740 {
 741         gchar *uri = NULL;
 742
 743         (void)condition;
 744         (void)data;
 745
 746         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 747         if (uri)
 748         {
 749                 g_strstrip(uri);
 750                 client_new(uri);
 751                 g_free(uri);
 752         }
 753         return TRUE;
 754 }
 755
 756 void
 757 search(gpointer data, gint direction)
 758 {
 759         struct Client *c = (struct Client *)data;
 760
 761         if (search_text == NULL)
 762                 return;
 763
 764         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 765                                     FALSE, direction == 1, TRUE);
 766 }
 767
 768 void
 769 scroll(GtkAdjustment *a, gint step_type, gdouble factor)
 770 {
 771         gdouble new, lower, upper, step;
 772         lower = gtk_adjustment_get_lower(a);
 773         upper = gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a) + lower;
 774         if (step_type == 0)
 775                 step = gtk_adjustment_get_step_increment(a);
 776         else
 777                 step = gtk_adjustment_get_page_increment(a);
 778         new = gtk_adjustment_get_value(a) + factor * step;
 779         new = new < lower ? lower : new;
 780         new = new > upper ? upper : new;
 781         gtk_adjustment_set_value(a, new);
 782 }
 783
 784 Window
 785 tabbed_launch(void)
 786 {
 787         gint tabbed_stdout;
 788         GIOChannel *tabbed_stdout_channel;
 789         GError *err = NULL;
 790         gchar *output = NULL;
 791         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 792         Window plug_into;
 793
 794         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 795                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 796                                       &err))
 797         {
 798                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 799                 g_error_free(err);
 800                 return 0;
 801         }
 802
 803         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 804         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 805         if (output == NULL)
 806         {
 807                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 808                 return 0;
 809         }
 810
 811         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 812
 813         g_strstrip(output);
 814         plug_into = strtol(output, NULL, 16);
 815         g_free(output);
 816         return plug_into;
 817 }
 818
 819 void
 820 usage(void)
 821 {
 822         fprintf(stderr, "Usage: "__NAME__" [OPTION]... <URI>...\n");
 823         exit(EXIT_FAILURE);
 824 }
 825
 826
 827 int
 828 main(int argc, char **argv)
 829 {
 830         int opt, i;
 831
 832         gtk_init(&argc, &argv);
 833
 834         grab_environment_configuration();
 835
 836         while ((opt = getopt(argc, argv, "e:rCT")) != -1)
 837         {
 838                 switch (opt)
 839                 {
 840                         case 'e':
 841                                 embed = atol(optarg);
 842                                 tabbed_automagic = FALSE;
 843                                 break;
 844                         case 'r':
 845                                 show_all_requests = TRUE;
 846                                 break;
 847                         case 'C':
 848                                 cooperative_instances = FALSE;
 849                                 break;
 850                         case 'T':
 851                                 tabbed_automagic = FALSE;
 852                                 break;
 853                         default:
 854                                 usage();
 855                 }
 856         }
 857
 858         if (optind >= argc)
 859                 usage();
 860
 861         adblock_load();
 862         cooperation_setup();
 863         downloadmanager_setup();
 864
 865         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 866                 embed = tabbed_launch();
 867
 868         first_uri = g_strdup(argv[optind]);
 869         for (i = optind; i < argc; i++)
 870                 client_new(argv[i]);
 871         if (!cooperative_instances || cooperative_alone)
 872                 gtk_main();
 873         exit(EXIT_SUCCESS);
 874 }