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_io_channel_shutdown(channel, FALSE, NULL);
 150         g_free(path);
 151 }
 152
 153 void
 154 client_destroy(GtkWidget *obj, gpointer data)
 155 {
 156         struct Client *c = (struct Client *)data;
 157
 158         (void)obj;
 159         (void)data;
 160
 161         free(c);
 162         clients--;
 163
 164         if (clients == 0)
 165                 gtk_main_quit();
 166 }
 167
 168 gboolean
 169 client_destroy_request(WebKitWebView *web_view, gpointer data)
 170 {
 171         struct Client *c = (struct Client *)data;
 172
 173         (void)web_view;
 174
 175         gtk_widget_destroy(c->win);
 176
 177         return TRUE;
 178 }
 179
 180 WebKitWebView *
 181 client_new(const gchar *uri)
 182 {
 183         struct Client *c;
 184         gchar *f;
 185
 186         if (uri != NULL && cooperative_instances && !cooperative_alone)
 187         {
 188                 write(cooperative_pipe_fp, uri, strlen(uri));
 189                 write(cooperative_pipe_fp, "\n", 1);
 190                 return NULL;
 191         }
 192
 193         c = malloc(sizeof(struct Client));
 194         if (!c)
 195         {
 196                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 197                 exit(EXIT_FAILURE);
 198         }
 199
 200         c->win = NULL;
 201         if (embed != 0)
 202         {
 203                 c->win = gtk_plug_new(embed);
 204                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 205                 {
 206                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 207                         gtk_widget_destroy(c->win);
 208                         c->win = NULL;
 209                         embed = 0;
 210                 }
 211         }
 212
 213         if (c->win == NULL)
 214         {
 215                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 216                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 217         }
 218
 219         /* When using Gtk2, it only shows a white area when run in suckless'
 220          * tabbed. It appears we need to set a default window size for this
 221          * to work. This is not needed when using Gtk3. */
 222         gtk_window_set_default_size(GTK_WINDOW(c->win), 1024, 768);
 223
 224         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 225         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 226
 227         c->web_view = webkit_web_view_new();
 228
 229         /* XXX I really do want to enable this option. However, I get
 230          * reproducable crashes with it enabled. I've seen bug reports from
 231          * 2010 about this... WebKit crashes in libpixman, so maybe it's not
 232          * a WebKit issue.
 233          * Yeah, well. I'll turn it off for now. */
 234         /*webkit_web_view_set_full_content_zoom(WEBKIT_WEB_VIEW(c->web_view), TRUE);*/
 235
 236         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 237         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 238                          G_CALLBACK(changed_title), c);
 239         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 240                          G_CALLBACK(changed_uri), c);
 241         g_signal_connect(G_OBJECT(c->web_view), "notify::progress",
 242                          G_CALLBACK(changed_load_progress), c);
 243         g_signal_connect(G_OBJECT(c->web_view), "create-web-view",
 244                          G_CALLBACK(client_new_request), NULL);
 245         g_signal_connect(G_OBJECT(c->web_view), "close-web-view",
 246                          G_CALLBACK(client_destroy_request), c);
 247         g_signal_connect(G_OBJECT(c->web_view),
 248                          "mime-type-policy-decision-requested",
 249                          G_CALLBACK(download_request), NULL);
 250         g_signal_connect(G_OBJECT(c->web_view), "download-requested",
 251                          G_CALLBACK(download_handle), c);
 252         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 253                          G_CALLBACK(key_web_view), c);
 254         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 255                          G_CALLBACK(key_web_view), c);
 256         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 257                          G_CALLBACK(hover_web_view), c);
 258         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 259                          G_CALLBACK(adblock), NULL);
 260
 261         if (!language_is_set)
 262         {
 263                 g_object_set(webkit_get_default_session(), "accept-language",
 264                              accepted_language, NULL);
 265                 language_is_set = TRUE;
 266         }
 267
 268         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 269
 270         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 271
 272         c->location = gtk_entry_new();
 273         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 274                          G_CALLBACK(key_location), c);
 275
 276         c->progress = gtk_progress_bar_new();
 277         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), 0);
 278
 279         c->status = gtk_progress_bar_new();
 280         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 0);
 281         gtk_widget_set_size_request(c->status, 20, -1);
 282
 283         c->top_box = gtk_hbox_new(FALSE, 0);
 284         gtk_box_pack_start(GTK_BOX(c->top_box), c->status, FALSE, FALSE, 2);
 285         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 286         gtk_box_pack_end(GTK_BOX(c->top_box), c->progress, FALSE, TRUE, 2);
 287
 288         c->vbox = gtk_vbox_new(FALSE, 0);
 289         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 2);
 290         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 291
 292         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 293
 294         gtk_widget_grab_focus(c->web_view);
 295         gtk_widget_show_all(c->win);
 296
 297         if (uri != NULL)
 298         {
 299                 f = ensure_url_scheme(uri);
 300                 if (show_all_requests)
 301                         fprintf(stderr, "====> %s\n", uri);
 302                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 303                 g_free(f);
 304         }
 305
 306         clients++;
 307
 308         return WEBKIT_WEB_VIEW(c->web_view);
 309 }
 310
 311 WebKitWebView *
 312 client_new_request(WebKitWebView *web_view, WebKitWebFrame *frame, gpointer data)
 313 {
 314         (void)web_view;
 315         (void)frame;
 316         (void)data;
 317
 318         return client_new(NULL);
 319 }
 320
 321 void
 322 cooperation_setup(void)
 323 {
 324         GIOChannel *towatch;
 325         gchar *fifopath;
 326
 327         fifopath = g_build_filename(g_get_user_runtime_dir(), __NAME__".fifo", NULL);
 328
 329         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 330                 mkfifo(fifopath, 0600);
 331
 332         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 333         if (!cooperative_pipe_fp)
 334         {
 335                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 336         }
 337         else
 338         {
 339                 if (write(cooperative_pipe_fp, "", 0) == -1)
 340                 {
 341                         /* Could not do an empty write to the FIFO which means there's
 342                          * no one listening. */
 343                         close(cooperative_pipe_fp);
 344                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 345                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 346                 }
 347                 else
 348                         cooperative_alone = FALSE;
 349         }
 350
 351         g_free(fifopath);
 352 }
 353
 354 void
 355 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 356 {
 357         struct Client *c = (struct Client *)data;
 358         gdouble p;
 359
 360         (void)obj;
 361         (void)pspec;
 362
 363         p = webkit_web_view_get_progress(WEBKIT_WEB_VIEW(c->web_view));
 364         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), p);
 365 }
 366
 367 void
 368 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 369 {
 370         const gchar *t;
 371         struct Client *c = (struct Client *)data;
 372
 373         (void)obj;
 374         (void)pspec;
 375
 376         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 377         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 378 }
 379
 380 void
 381 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 382 {
 383         const gchar *t;
 384         struct Client *c = (struct Client *)data;
 385
 386         (void)obj;
 387         (void)pspec;
 388
 389         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 390         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 391 }
 392
 393 gboolean
 394 download_handle(WebKitWebView *web_view, WebKitDownload *download, gpointer data)
 395 {
 396         struct Client *c = (struct Client *)data;
 397         gchar *path, *path2 = NULL, *uri;
 398         GtkToolItem *tb;
 399         gboolean ret;
 400         int suffix = 1;
 401
 402         (void)web_view;
 403         (void)data;
 404
 405         path = g_build_filename(download_dir,
 406                                 webkit_download_get_suggested_filename(download),
 407                                 NULL);
 408         path2 = g_strdup(path);
 409         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 410         {
 411                 g_free(path2);
 412
 413                 path2 = g_strdup_printf("%s.%d", path, suffix);
 414                 suffix++;
 415         }
 416
 417         if (suffix == 1000)
 418         {
 419                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 420                 ret = FALSE;
 421         }
 422         else
 423         {
 424                 uri = g_filename_to_uri(path2, NULL, NULL);
 425                 webkit_download_set_destination_uri(download, uri);
 426                 ret = TRUE;
 427                 g_free(uri);
 428
 429                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 1);
 430                 downloads_indicated++;
 431                 g_timeout_add(500, download_reset_indicator, c);
 432
 433                 tb = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
 434                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb),
 435                                           webkit_download_get_suggested_filename(download));
 436                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 437                 gtk_widget_show_all(dm.toolbar);
 438
 439                 g_signal_connect(G_OBJECT(download), "notify::progress",
 440                                  G_CALLBACK(downloadmanager_progress), tb);
 441
 442                 g_object_ref(download);
 443                 g_signal_connect(G_OBJECT(tb), "clicked",
 444                                  G_CALLBACK(downloadmanager_cancel), download);
 445         }
 446
 447         g_free(path);
 448         g_free(path2);
 449
 450         return ret;
 451 }
 452
 453 gboolean
 454 download_reset_indicator(gpointer data)
 455 {
 456         struct Client *c = (struct Client *)data;
 457
 458         downloads_indicated--;
 459         if (downloads_indicated == 0)
 460                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 0);
 461
 462         return FALSE;
 463 }
 464
 465 gboolean
 466 download_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 467                  WebKitNetworkRequest *request, gchar *mime_type,
 468                  WebKitWebPolicyDecision *policy_decision, gpointer data)
 469 {
 470         (void)frame;
 471         (void)request;
 472         (void)data;
 473
 474         if (!webkit_web_view_can_show_mime_type(web_view, mime_type))
 475         {
 476                 webkit_web_policy_decision_download(policy_decision);
 477                 return TRUE;
 478         }
 479         return FALSE;
 480 }
 481
 482 void
 483 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 484 {
 485         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 486
 487         webkit_download_cancel(download);
 488         g_object_unref(download);
 489
 490         gtk_widget_destroy(GTK_WIDGET(tb));
 491 }
 492
 493 void
 494 downloadmanager_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 495 {
 496         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 497         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 498         gdouble p;
 499         gchar *t;
 500
 501         (void)pspec;
 502
 503         p = webkit_download_get_progress(download) * 100;
 504         t = g_strdup_printf("%s (%.0f%%)",
 505                             webkit_download_get_suggested_filename(download),
 506                                                 p);
 507         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 508         g_free(t);
 509 }
 510
 511 void
 512 downloadmanager_setup(void)
 513 {
 514         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 515         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 516         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 517         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 518         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 519                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 520
 521         dm.toolbar = gtk_toolbar_new();
 522         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 523                                        GTK_ORIENTATION_VERTICAL);
 524         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 525         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 526
 527         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 528         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 529                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 530         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(dm.scroll),
 531                                               dm.toolbar);
 532
 533         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 534 }
 535
 536 gchar *
 537 ensure_url_scheme(const gchar *t)
 538 {
 539         gchar *f;
 540
 541         f = g_ascii_strdown(t, -1);
 542         if (!g_str_has_prefix(f, "http:") &&
 543             !g_str_has_prefix(f, "https:") &&
 544             !g_str_has_prefix(f, "file:") &&
 545             !g_str_has_prefix(f, "about:"))
 546         {
 547                 g_free(f);
 548                 f = g_strdup_printf("http://%s", t);
 549                 return f;
 550         }
 551         else
 552                 return g_strdup(t);
 553 }
 554
 555 void
 556 grab_environment_configuration(void)
 557 {
 558         const gchar *e;
 559
 560         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 561         if (e != NULL)
 562                 accepted_language = g_strdup(e);
 563
 564         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 565         if (e != NULL)
 566                 download_dir = g_strdup(e);
 567
 568         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 569         if (e != NULL)
 570                 global_zoom = atof(e);
 571 }
 572
 573 void
 574 hover_web_view(WebKitWebView *web_view, gchar *title, gchar *uri, gpointer data)
 575 {
 576         struct Client *c = (struct Client *)data;
 577
 578         (void)web_view;
 579         (void)title;
 580
 581         if (!gtk_widget_is_focus(c->location))
 582         {
 583                 if (uri == NULL)
 584                         gtk_entry_set_text(GTK_ENTRY(c->location),
 585                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 586                 else
 587                         gtk_entry_set_text(GTK_ENTRY(c->location), uri);
 588         }
 589 }
 590
 591 gboolean
 592 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 593 {
 594         struct Client *c = (struct Client *)data;
 595         const gchar *t;
 596         gchar *f;
 597
 598         (void)widget;
 599
 600         if (event->type == GDK_KEY_PRESS)
 601         {
 602                 switch (((GdkEventKey *)event)->keyval)
 603                 {
 604                         case GDK_KEY_Return:
 605                                 gtk_widget_grab_focus(c->web_view);
 606                                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 607                                 if (t != NULL && t[0] == '/')
 608                                 {
 609                                         if (search_text != NULL)
 610                                                 g_free(search_text);
 611                                         search_text = g_strdup(t + 1);  /* XXX whacky */
 612                                         search(c, 1);
 613                                 }
 614                                 else
 615                                 {
 616                                         f = ensure_url_scheme(t);
 617                                         if (show_all_requests)
 618                                                 fprintf(stderr, "====> %s\n", f);
 619                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 620                                         g_free(f);
 621                                 }
 622                                 return TRUE;
 623                         case GDK_KEY_Escape:
 624                                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 625                                 gtk_entry_set_text(GTK_ENTRY(c->location),
 626                                                    (t == NULL ? __NAME__ : t));
 627                                 return TRUE;
 628                         case GDK_KEY_d:
 629                                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK)
 630                                 {
 631                                         gtk_widget_show_all(dm.win);
 632                                         return TRUE;
 633                                 }
 634                                 else
 635                                         return FALSE;
 636                 }
 637         }
 638
 639         return FALSE;
 640 }
 641
 642 gboolean
 643 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 644 {
 645         struct Client *c = (struct Client *)data;
 646         WebKitHitTestResultContext ht_context;
 647         WebKitHitTestResult *ht_result = NULL;
 648         gchar *ht_uri = NULL, *f;
 649
 650         (void)widget;
 651
 652         if (event->type == GDK_KEY_PRESS)
 653         {
 654                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK)
 655                 {
 656                         switch (((GdkEventKey *)event)->keyval)
 657                         {
 658                                 case GDK_KEY_o:
 659                                         gtk_widget_grab_focus(c->location);
 660                                         return TRUE;
 661                                 case GDK_KEY_h:
 662                                         scroll(gtk_scrolled_window_get_hadjustment(
 663                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 664                                         return TRUE;
 665                                 case GDK_KEY_j:
 666                                         scroll(gtk_scrolled_window_get_vadjustment(
 667                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 668                                         return TRUE;
 669                                 case GDK_KEY_k:
 670                                         scroll(gtk_scrolled_window_get_vadjustment(
 671                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 672                                         return TRUE;
 673                                 case GDK_KEY_l:
 674                                         scroll(gtk_scrolled_window_get_hadjustment(
 675                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 676                                         return TRUE;
 677                                 case GDK_KEY_f:
 678                                         scroll(gtk_scrolled_window_get_vadjustment(
 679                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, 0.5);
 680                                         return TRUE;
 681                                 case GDK_KEY_b:
 682                                         scroll(gtk_scrolled_window_get_vadjustment(
 683                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, -0.5);
 684                                         return TRUE;
 685                                 case GDK_KEY_n:
 686                                         search(c, 1);
 687                                         return TRUE;
 688                                 case GDK_KEY_p:
 689                                         search(c, -1);
 690                                         return TRUE;
 691                                 case GDK_KEY_g:
 692                                         f = ensure_url_scheme(first_uri);
 693                                         if (show_all_requests)
 694                                                 fprintf(stderr, "====> %s\n", f);
 695                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 696                                         g_free(f);
 697                                         return TRUE;
 698                                 case GDK_KEY_d:
 699                                         gtk_widget_show_all(dm.win);
 700                                         return TRUE;
 701                         }
 702                 }
 703                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 704                 {
 705                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 706                         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), 0);
 707                 }
 708         }
 709         else if (event->type == GDK_BUTTON_PRESS)
 710         {
 711                 switch (((GdkEventButton *)event)->button)
 712                 {
 713                         case 2:
 714                                 ht_result = webkit_web_view_get_hit_test_result(
 715                                                                    WEBKIT_WEB_VIEW(c->web_view),
 716                                                                        (GdkEventButton *)event);
 717                                 g_object_get(ht_result, "context", &ht_context, NULL);
 718                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 719                                 {
 720                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 721                                         client_new(ht_uri);
 722                                         g_object_unref(ht_result);
 723                                         return TRUE;
 724                                 }
 725                                 g_object_unref(ht_result);
 726                                 return FALSE;
 727                         case 8:
 728                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 729                                 return TRUE;
 730                         case 9:
 731                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 732                                 return TRUE;
 733                 }
 734         }
 735
 736         return FALSE;
 737 }
 738
 739 gboolean
 740 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 741 {
 742         gchar *uri = NULL;
 743
 744         (void)condition;
 745         (void)data;
 746
 747         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 748         if (uri)
 749         {
 750                 g_strstrip(uri);
 751                 client_new(uri);
 752                 g_free(uri);
 753         }
 754         return TRUE;
 755 }
 756
 757 void
 758 search(gpointer data, gint direction)
 759 {
 760         struct Client *c = (struct Client *)data;
 761
 762         if (search_text == NULL)
 763                 return;
 764
 765         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 766                                     FALSE, direction == 1, TRUE);
 767 }
 768
 769 void
 770 scroll(GtkAdjustment *a, gint step_type, gdouble factor)
 771 {
 772         gdouble new, lower, upper, step;
 773         lower = gtk_adjustment_get_lower(a);
 774         upper = gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a) + lower;
 775         if (step_type == 0)
 776                 step = gtk_adjustment_get_step_increment(a);
 777         else
 778                 step = gtk_adjustment_get_page_increment(a);
 779         new = gtk_adjustment_get_value(a) + factor * step;
 780         new = new < lower ? lower : new;
 781         new = new > upper ? upper : new;
 782         gtk_adjustment_set_value(a, new);
 783 }
 784
 785 Window
 786 tabbed_launch(void)
 787 {
 788         gint tabbed_stdout;
 789         GIOChannel *tabbed_stdout_channel;
 790         GError *err = NULL;
 791         gchar *output = NULL;
 792         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 793         Window plug_into;
 794
 795         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 796                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 797                                       &err))
 798         {
 799                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 800                 g_error_free(err);
 801                 return 0;
 802         }
 803
 804         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 805         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 806         if (output == NULL)
 807         {
 808                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 809                 return 0;
 810         }
 811
 812         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 813
 814         g_strstrip(output);
 815         plug_into = strtol(output, NULL, 16);
 816         g_free(output);
 817         return plug_into;
 818 }
 819
 820 void
 821 usage(void)
 822 {
 823         fprintf(stderr, "Usage: "__NAME__" [OPTION]... <URI>...\n");
 824         exit(EXIT_FAILURE);
 825 }
 826
 827
 828 int
 829 main(int argc, char **argv)
 830 {
 831         int opt, i;
 832
 833         gtk_init(&argc, &argv);
 834
 835         grab_environment_configuration();
 836
 837         while ((opt = getopt(argc, argv, "e:rCT")) != -1)
 838         {
 839                 switch (opt)
 840                 {
 841                         case 'e':
 842                                 embed = atol(optarg);
 843                                 tabbed_automagic = FALSE;
 844                                 break;
 845                         case 'r':
 846                                 show_all_requests = TRUE;
 847                                 break;
 848                         case 'C':
 849                                 cooperative_instances = FALSE;
 850                                 break;
 851                         case 'T':
 852                                 tabbed_automagic = FALSE;
 853                                 break;
 854                         default:
 855                                 usage();
 856                 }
 857         }
 858
 859         if (optind >= argc)
 860                 usage();
 861
 862         adblock_load();
 863         cooperation_setup();
 864         downloadmanager_setup();
 865
 866         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 867                 embed = tabbed_launch();
 868
 869         first_uri = g_strdup(argv[optind]);
 870         for (i = optind; i < argc; i++)
 871                 client_new(argv[i]);
 872         if (!cooperative_instances || cooperative_alone)
 873                 gtk_main();
 874         exit(EXIT_SUCCESS);
 875 }