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 *, gpointer);
  19 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  20 static WebKitWebView *client_new(const gchar *);
  21 static WebKitWebView *client_new_request(WebKitWebView *, WebKitWebFrame *,
  22                                          gpointer);
  23 static void cooperation_setup(void);
  24 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  25 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  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_setup(void);
  35 static gchar *ensure_uri_scheme(const gchar *);
  36 static void grab_environment_configuration(void);
  37 static void hover_web_view(WebKitWebView *, gchar *, gchar *, gpointer);
  38 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  39 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  40 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  41 static void keywords_load(void);
  42 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  43 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  44 static void search(gpointer, gint);
  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 *fifo_suffix = "main";
  79 static gdouble global_zoom = 1.0;
  80 static gchar *home_uri = "about:blank";
  81 static GHashTable *keywords = NULL;
  82 static gboolean language_is_set = FALSE;
  83 static gchar *search_text = NULL;
  84 static gboolean show_all_requests = FALSE;
  85 static gboolean tabbed_automagic = TRUE;
  86 static gchar *user_agent = "Mozilla/5.0 (X11; U; Unix; en-US) "
  87                            "AppleWebKit/537.15 (KHTML, like Gecko) "
  88                            "Chrome/24.0.1295.0 "
  89                            "Safari/537.15 "__NAME_CAPITALIZED__"/git";
  90
  91
  92 void
  93 adblock(WebKitWebView *web_view, WebKitWebFrame *frame,
  94         WebKitWebResource *resource, WebKitNetworkRequest *request,
  95         WebKitNetworkResponse *response, gpointer data)
  96 {
  97         GSList *it = adblock_patterns;
  98         const gchar *uri;
  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, *buf = NULL;
 124
 125         path = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock.black",
 126                                 NULL);
 127         channel = g_io_channel_new_file(path, "r", &err);
 128         if (channel != NULL)
 129         {
 130                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 131                        == G_IO_STATUS_NORMAL)
 132                 {
 133                         g_strstrip(buf);
 134                         if (buf[0] != '#')
 135                         {
 136                                 re = g_regex_new(buf,
 137                                                  G_REGEX_CASELESS | G_REGEX_OPTIMIZE,
 138                                                  G_REGEX_MATCH_PARTIAL, &err);
 139                                 if (err != NULL)
 140                                 {
 141                                         fprintf(stderr, __NAME__": Could not compile regex: %s\n", buf);
 142                                         g_error_free(err);
 143                                         err = NULL;
 144                                 }
 145                                 else
 146                                         adblock_patterns = g_slist_append(adblock_patterns, re);
 147                         }
 148                         g_free(buf);
 149                 }
 150                 g_io_channel_shutdown(channel, FALSE, NULL);
 151         }
 152         g_free(path);
 153 }
 154
 155 void
 156 client_destroy(GtkWidget *obj, gpointer data)
 157 {
 158         struct Client *c = (struct Client *)data;
 159
 160         g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 161                                              changed_load_progress, c);
 162
 163         free(c);
 164         clients--;
 165
 166         if (clients == 0)
 167                 gtk_main_quit();
 168 }
 169
 170 gboolean
 171 client_destroy_request(WebKitWebView *web_view, gpointer data)
 172 {
 173         struct Client *c = (struct Client *)data;
 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          * reproducible 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), "scroll-event",
 257                          G_CALLBACK(key_web_view), c);
 258         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 259                          G_CALLBACK(hover_web_view), c);
 260         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 261                          G_CALLBACK(adblock), NULL);
 262
 263         if (!language_is_set)
 264         {
 265                 g_object_set(webkit_get_default_session(), "accept-language",
 266                              accepted_language, NULL);
 267                 language_is_set = TRUE;
 268         }
 269
 270         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 271                      "user-agent", user_agent, NULL);
 272
 273         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 274
 275         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 276
 277         c->location = gtk_entry_new();
 278         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 279                          G_CALLBACK(key_location), c);
 280
 281         c->progress = gtk_progress_bar_new();
 282         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), 0);
 283
 284         c->status = gtk_progress_bar_new();
 285         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 0);
 286         gtk_widget_set_size_request(c->status, 20, -1);
 287
 288         c->top_box = gtk_hbox_new(FALSE, 0);
 289         gtk_box_pack_start(GTK_BOX(c->top_box), c->status, FALSE, FALSE, 2);
 290         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 291         gtk_box_pack_end(GTK_BOX(c->top_box), c->progress, FALSE, TRUE, 2);
 292
 293         c->vbox = gtk_vbox_new(FALSE, 0);
 294         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 2);
 295         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 296
 297         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 298
 299         gtk_widget_grab_focus(c->web_view);
 300         gtk_widget_show_all(c->win);
 301
 302         if (uri != NULL)
 303         {
 304                 f = ensure_uri_scheme(uri);
 305                 if (show_all_requests)
 306                         fprintf(stderr, "====> %s\n", uri);
 307                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 308                 g_free(f);
 309         }
 310
 311         clients++;
 312
 313         return WEBKIT_WEB_VIEW(c->web_view);
 314 }
 315
 316 WebKitWebView *
 317 client_new_request(WebKitWebView *web_view, WebKitWebFrame *frame, gpointer data)
 318 {
 319         return client_new(NULL);
 320 }
 321
 322 void
 323 cooperation_setup(void)
 324 {
 325         GIOChannel *towatch;
 326         gchar *fifofilename, *fifopath;
 327
 328         fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 329         fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 330         g_free(fifofilename);
 331
 332         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 333                 mkfifo(fifopath, 0600);
 334
 335         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 336         if (!cooperative_pipe_fp)
 337         {
 338                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 339         }
 340         else
 341         {
 342                 if (write(cooperative_pipe_fp, "", 0) == -1)
 343                 {
 344                         /* Could not do an empty write to the FIFO which means there's
 345                          * no one listening. */
 346                         close(cooperative_pipe_fp);
 347                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 348                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 349                 }
 350                 else
 351                         cooperative_alone = FALSE;
 352         }
 353
 354         g_free(fifopath);
 355 }
 356
 357 void
 358 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 359 {
 360         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 361         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 362         gdouble p, size_mb;
 363         const gchar *uri;
 364         gchar *t, *filename, *base;
 365
 366         p = webkit_download_get_progress(download) * 100;
 367         size_mb = webkit_download_get_total_size(download) / 1e6;
 368
 369         uri = webkit_download_get_destination_uri(download);
 370         filename = g_filename_from_uri(uri, NULL, NULL);
 371         if (filename == NULL)
 372         {
 373                 /* This really should not happen because WebKit uses that URI to
 374                  * write to a file... */
 375                 fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 376                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 377                                     webkit_download_get_uri(download), p, size_mb);
 378         }
 379         else
 380         {
 381                 base = g_path_get_basename(filename);
 382                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 383                 g_free(filename);
 384                 g_free(base);
 385         }
 386         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 387         g_free(t);
 388 }
 389
 390 void
 391 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 392 {
 393         struct Client *c = (struct Client *)data;
 394         gdouble p;
 395
 396         p = webkit_web_view_get_progress(WEBKIT_WEB_VIEW(c->web_view));
 397         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), p);
 398 }
 399
 400 void
 401 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 402 {
 403         const gchar *t;
 404         struct Client *c = (struct Client *)data;
 405
 406         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 407         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 408 }
 409
 410 void
 411 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 412 {
 413         const gchar *t;
 414         struct Client *c = (struct Client *)data;
 415
 416         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 417         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 418 }
 419
 420 gboolean
 421 download_handle(WebKitWebView *web_view, WebKitDownload *download, gpointer data)
 422 {
 423         struct Client *c = (struct Client *)data;
 424         gchar *path, *path2 = NULL, *uri;
 425         GtkToolItem *tb;
 426         gboolean ret;
 427         int suffix = 1;
 428
 429         path = g_build_filename(download_dir,
 430                                 webkit_download_get_suggested_filename(download),
 431                                 NULL);
 432         path2 = g_strdup(path);
 433         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 434         {
 435                 g_free(path2);
 436
 437                 path2 = g_strdup_printf("%s.%d", path, suffix);
 438                 suffix++;
 439         }
 440
 441         if (suffix == 1000)
 442         {
 443                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 444                 ret = FALSE;
 445         }
 446         else
 447         {
 448                 uri = g_filename_to_uri(path2, NULL, NULL);
 449                 webkit_download_set_destination_uri(download, uri);
 450                 ret = TRUE;
 451                 g_free(uri);
 452
 453                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 1);
 454                 downloads_indicated++;
 455                 g_timeout_add(500, download_reset_indicator, c);
 456
 457                 tb = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
 458                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb),
 459                                           webkit_download_get_suggested_filename(download));
 460                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 461                 gtk_widget_show_all(dm.toolbar);
 462
 463                 g_signal_connect(G_OBJECT(download), "notify::progress",
 464                                  G_CALLBACK(changed_download_progress), tb);
 465
 466                 g_object_ref(download);
 467                 g_signal_connect(G_OBJECT(tb), "clicked",
 468                                  G_CALLBACK(downloadmanager_cancel), download);
 469         }
 470
 471         g_free(path);
 472         g_free(path2);
 473
 474         return ret;
 475 }
 476
 477 gboolean
 478 download_reset_indicator(gpointer data)
 479 {
 480         struct Client *c = (struct Client *)data;
 481
 482         downloads_indicated--;
 483         if (downloads_indicated == 0)
 484                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 0);
 485
 486         return FALSE;
 487 }
 488
 489 gboolean
 490 download_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 491                  WebKitNetworkRequest *request, gchar *mime_type,
 492                  WebKitWebPolicyDecision *policy_decision, gpointer data)
 493 {
 494         if (!webkit_web_view_can_show_mime_type(web_view, mime_type))
 495         {
 496                 webkit_web_policy_decision_download(policy_decision);
 497                 return TRUE;
 498         }
 499         return FALSE;
 500 }
 501
 502 void
 503 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 504 {
 505         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 506
 507         webkit_download_cancel(download);
 508         g_object_unref(download);
 509
 510         gtk_widget_destroy(GTK_WIDGET(tb));
 511 }
 512
 513 void
 514 downloadmanager_setup(void)
 515 {
 516         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 517         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 518         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 519         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 520         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 521                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 522         g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 523                          G_CALLBACK(key_downloadmanager), NULL);
 524
 525         dm.toolbar = gtk_toolbar_new();
 526         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 527                                        GTK_ORIENTATION_VERTICAL);
 528         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 529         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 530
 531         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 532         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 533                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 534         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(dm.scroll),
 535                                               dm.toolbar);
 536
 537         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 538 }
 539
 540 gchar *
 541 ensure_uri_scheme(const gchar *t)
 542 {
 543         gchar *f;
 544
 545         f = g_ascii_strdown(t, -1);
 546         if (!g_str_has_prefix(f, "http:") &&
 547             !g_str_has_prefix(f, "https:") &&
 548             !g_str_has_prefix(f, "file:") &&
 549             !g_str_has_prefix(f, "about:"))
 550         {
 551                 g_free(f);
 552                 f = g_strdup_printf("http://%s", t);
 553                 return f;
 554         }
 555         else
 556                 return g_strdup(t);
 557 }
 558
 559 void
 560 grab_environment_configuration(void)
 561 {
 562         const gchar *e;
 563
 564         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 565         if (e != NULL)
 566                 accepted_language = g_strdup(e);
 567
 568         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 569         if (e != NULL)
 570                 download_dir = g_strdup(e);
 571
 572         e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 573         if (e != NULL)
 574                 fifo_suffix = g_strdup(e);
 575
 576         e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 577         if (e != NULL)
 578                 home_uri = g_strdup(e);
 579
 580         e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 581         if (e != NULL)
 582                 user_agent = g_strdup(e);
 583
 584         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 585         if (e != NULL)
 586                 global_zoom = atof(e);
 587 }
 588
 589 void
 590 hover_web_view(WebKitWebView *web_view, gchar *title, gchar *uri, gpointer data)
 591 {
 592         struct Client *c = (struct Client *)data;
 593
 594         if (!gtk_widget_is_focus(c->location))
 595         {
 596                 if (uri == NULL)
 597                         gtk_entry_set_text(GTK_ENTRY(c->location),
 598                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 599                 else
 600                         gtk_entry_set_text(GTK_ENTRY(c->location), uri);
 601         }
 602 }
 603
 604 gboolean
 605 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 606 {
 607         if (event->type == GDK_KEY_PRESS)
 608         {
 609                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 610                 {
 611                         switch (((GdkEventKey *)event)->keyval)
 612                         {
 613                                 case GDK_KEY_d:  /* close window (left hand) */
 614                                         gtk_widget_hide(dm.win);
 615                                         return TRUE;
 616                         }
 617                 }
 618         }
 619
 620         return FALSE;
 621 }
 622
 623 gboolean
 624 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 625 {
 626         struct Client *c = (struct Client *)data;
 627         const gchar *t;
 628         gchar *f;
 629
 630         if (event->type == GDK_KEY_PRESS)
 631         {
 632                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 633                 {
 634                         switch (((GdkEventKey *)event)->keyval)
 635                         {
 636                                 case GDK_KEY_q:  /* close window (left hand) */
 637                                         gtk_widget_destroy(c->win);
 638                                         return TRUE;
 639                                 case GDK_KEY_d:  /* download manager (left hand) */
 640                                         gtk_widget_show_all(dm.win);
 641                                         return TRUE;
 642                                 case GDK_KEY_r:  /* reload (left hand) */
 643                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 644                                                                             c->web_view));
 645                                         return TRUE;
 646                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 647                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 648                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 649                                         return TRUE;
 650                         }
 651                 }
 652                 else
 653                 {
 654                         switch (((GdkEventKey *)event)->keyval)
 655                         {
 656                                 case GDK_KEY_Return:
 657                                         gtk_widget_grab_focus(c->web_view);
 658                                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
 659                                         if (t != NULL && t[0] == '/')
 660                                         {
 661                                                 if (search_text != NULL)
 662                                                         g_free(search_text);
 663                                                 search_text = g_strdup(t + 1);  /* XXX whacky */
 664                                                 search(c, 1);
 665                                         }
 666                                         else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 667                                         {
 668                                                 f = ensure_uri_scheme(t);
 669                                                 if (show_all_requests)
 670                                                         fprintf(stderr, "====> %s\n", f);
 671                                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 672                                                 g_free(f);
 673                                         }
 674                                         return TRUE;
 675                                 case GDK_KEY_Escape:
 676                                         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 677                                         gtk_entry_set_text(GTK_ENTRY(c->location),
 678                                                            (t == NULL ? __NAME__ : t));
 679                                         return TRUE;
 680                         }
 681                 }
 682         }
 683
 684         return FALSE;
 685 }
 686
 687 gboolean
 688 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 689 {
 690         struct Client *c = (struct Client *)data;
 691         WebKitHitTestResultContext ht_context;
 692         WebKitHitTestResult *ht_result = NULL;
 693         gchar *ht_uri = NULL, *f;
 694         gfloat z;
 695         gboolean b;
 696
 697         if (event->type == GDK_KEY_PRESS)
 698         {
 699                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 700                 {
 701                         switch (((GdkEventKey *)event)->keyval)
 702                         {
 703                                 case GDK_KEY_q:  /* close window (left hand) */
 704                                         gtk_widget_destroy(c->win);
 705                                         return TRUE;
 706                                 case GDK_KEY_w:  /* home (left hand) */
 707                                         f = ensure_uri_scheme(home_uri);
 708                                         if (show_all_requests)
 709                                                 fprintf(stderr, "====> %s\n", f);
 710                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 711                                         g_free(f);
 712                                         return TRUE;
 713                                 case GDK_KEY_e:  /* new tab (left hand) */
 714                                         f = ensure_uri_scheme(home_uri);
 715                                         if (show_all_requests)
 716                                                 fprintf(stderr, "====> %s\n", f);
 717                                         client_new(f);
 718                                         g_free(f);
 719                                         return TRUE;
 720                                 case GDK_KEY_r:  /* reload (left hand) */
 721                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 722                                                                             c->web_view));
 723                                         return TRUE;
 724                                 case GDK_KEY_s:  /* toggle source view (left hand) */
 725                                         b = webkit_web_view_get_view_source_mode(WEBKIT_WEB_VIEW(
 726                                                                                  c->web_view));
 727                                         b = !b;
 728                                         webkit_web_view_set_view_source_mode(WEBKIT_WEB_VIEW(
 729                                                                              c->web_view), b);
 730                                         webkit_web_view_reload(WEBKIT_WEB_VIEW(c->web_view));
 731                                         return TRUE;
 732                                 case GDK_KEY_d:  /* download manager (left hand) */
 733                                         gtk_widget_show_all(dm.win);
 734                                         return TRUE;
 735                                 case GDK_KEY_2:  /* search forward (left hand) */
 736                                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 737                                         search(c, 1);
 738                                         return TRUE;
 739                                 case GDK_KEY_3:  /* search backward (left hand) */
 740                                         search(c, -1);
 741                                         return TRUE;
 742                                 case GDK_KEY_l:  /* location (BOTH hands) */
 743                                         gtk_widget_grab_focus(c->location);
 744                                         return TRUE;
 745                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 746                                         gtk_widget_grab_focus(c->location);
 747                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 748                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 749                                         return TRUE;
 750                         }
 751                 }
 752                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 753                 {
 754                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 755                         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), 0);
 756                 }
 757         }
 758         else if (event->type == GDK_BUTTON_PRESS)
 759         {
 760                 switch (((GdkEventButton *)event)->button)
 761                 {
 762                         case 2:
 763                                 ht_result = webkit_web_view_get_hit_test_result(
 764                                                                    WEBKIT_WEB_VIEW(c->web_view),
 765                                                                        (GdkEventButton *)event);
 766                                 g_object_get(ht_result, "context", &ht_context, NULL);
 767                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 768                                 {
 769                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 770                                         client_new(ht_uri);
 771                                         g_object_unref(ht_result);
 772                                         return TRUE;
 773                                 }
 774                                 g_object_unref(ht_result);
 775                                 break;
 776                         case 8:
 777                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 778                                 return TRUE;
 779                         case 9:
 780                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 781                                 return TRUE;
 782                 }
 783         }
 784         else if (event->type == GDK_SCROLL)
 785         {
 786                 if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 787                     ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 788                 {
 789                         switch (((GdkEventScroll *)event)->direction)
 790                         {
 791                                 case GDK_SCROLL_UP:
 792                                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 793                                         z += 0.1;
 794                                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 795                                         return TRUE;
 796                                 case GDK_SCROLL_DOWN:
 797                                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 798                                         z -= 0.1;
 799                                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 800                                         return TRUE;
 801                                 default:
 802                                         break;
 803                         }
 804                 }
 805         }
 806
 807         return FALSE;
 808 }
 809
 810 void
 811 keywords_load(void)
 812 {
 813         GError *err = NULL;
 814         GIOChannel *channel = NULL;
 815         gchar *path = NULL, *buf = NULL;
 816         gchar **tokens = NULL;
 817
 818         keywords = g_hash_table_new(g_str_hash, g_str_equal);
 819
 820         path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 821                                 NULL);
 822         channel = g_io_channel_new_file(path, "r", &err);
 823         if (channel != NULL)
 824         {
 825                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 826                        == G_IO_STATUS_NORMAL)
 827                 {
 828                         g_strstrip(buf);
 829                         if (buf[0] != '#')
 830                         {
 831                                 tokens = g_strsplit(buf, " ", 2);
 832                                 if (tokens[0] != NULL && tokens[1] != NULL)
 833                                         g_hash_table_insert(keywords, g_strdup(tokens[0]),
 834                                                             g_strdup(tokens[1]));
 835                                 g_strfreev(tokens);
 836                         }
 837                         g_free(buf);
 838                 }
 839                 g_io_channel_shutdown(channel, FALSE, NULL);
 840         }
 841         g_free(path);
 842 }
 843
 844 gboolean
 845 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 846 {
 847         gboolean ret = FALSE;
 848         gchar **tokens = NULL;
 849         gchar *val = NULL, *uri = NULL;
 850
 851         tokens = g_strsplit(t, " ", 2);
 852         if (tokens[0] != NULL && tokens[1] != NULL)
 853         {
 854                 val = g_hash_table_lookup(keywords, tokens[0]);
 855                 if (val != NULL)
 856                 {
 857                         uri = g_strdup_printf((gchar *)val, tokens[1]);
 858                         if (show_all_requests)
 859                                 fprintf(stderr, "====> %s\n", uri);
 860                         webkit_web_view_load_uri(web_view, uri);
 861                         g_free(uri);
 862                         ret = TRUE;
 863                 }
 864         }
 865         g_strfreev(tokens);
 866
 867         return ret;
 868 }
 869
 870 gboolean
 871 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 872 {
 873         gchar *uri = NULL;
 874
 875         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 876         if (uri)
 877         {
 878                 g_strstrip(uri);
 879                 client_new(uri);
 880                 g_free(uri);
 881         }
 882         return TRUE;
 883 }
 884
 885 void
 886 search(gpointer data, gint direction)
 887 {
 888         struct Client *c = (struct Client *)data;
 889
 890         if (search_text == NULL)
 891                 return;
 892
 893         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 894                                     FALSE, direction == 1, TRUE);
 895 }
 896
 897 Window
 898 tabbed_launch(void)
 899 {
 900         gint tabbed_stdout;
 901         GIOChannel *tabbed_stdout_channel;
 902         GError *err = NULL;
 903         gchar *output = NULL;
 904         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 905         Window plug_into;
 906
 907         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 908                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 909                                       &err))
 910         {
 911                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 912                 g_error_free(err);
 913                 return 0;
 914         }
 915
 916         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 917         if (tabbed_stdout_channel == NULL)
 918         {
 919                 fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 920                 return 0;
 921         }
 922         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 923         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 924         if (output == NULL)
 925         {
 926                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 927                 return 0;
 928         }
 929         g_strstrip(output);
 930         plug_into = strtol(output, NULL, 16);
 931         g_free(output);
 932         if (plug_into == 0)
 933                 fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 934         return plug_into;
 935 }
 936
 937 void
 938 usage(void)
 939 {
 940         fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 941         exit(EXIT_FAILURE);
 942 }
 943
 944
 945 int
 946 main(int argc, char **argv)
 947 {
 948         int opt, i;
 949
 950         gtk_init(&argc, &argv);
 951
 952         grab_environment_configuration();
 953
 954         while ((opt = getopt(argc, argv, "e:rCT")) != -1)
 955         {
 956                 switch (opt)
 957                 {
 958                         case 'e':
 959                                 embed = atol(optarg);
 960                                 tabbed_automagic = FALSE;
 961                                 break;
 962                         case 'r':
 963                                 show_all_requests = TRUE;
 964                                 break;
 965                         case 'C':
 966                                 cooperative_instances = FALSE;
 967                                 break;
 968                         case 'T':
 969                                 tabbed_automagic = FALSE;
 970                                 break;
 971                         default:
 972                                 usage();
 973                 }
 974         }
 975
 976         adblock_load();
 977         keywords_load();
 978         cooperation_setup();
 979         downloadmanager_setup();
 980
 981         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 982                 embed = tabbed_launch();
 983
 984         if (optind >= argc)
 985                 client_new(home_uri);
 986         else
 987         {
 988                 for (i = optind; i < argc; i++)
 989                         client_new(argv[i]);
 990         }
 991
 992         if (!cooperative_instances || cooperative_alone)
 993                 gtk_main();
 994         exit(EXIT_SUCCESS);
 995 }