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_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  41 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  42 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  43 static void keywords_load(void);
  44 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  45 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  46 static void search(gpointer, gint);
  47 static Window tabbed_launch(void);
  48 static void usage(void);
  49
  50
  51 struct Client
  52 {
  53         GtkWidget *location;
  54         GtkWidget *progress;
  55         GtkWidget *scroll;
  56         GtkWidget *status;
  57         GtkWidget *top_box;
  58         GtkWidget *vbox;
  59         GtkWidget *web_view;
  60         GtkWidget *win;
  61 };
  62
  63 struct DownloadManager
  64 {
  65         GtkWidget *scroll;
  66         GtkWidget *toolbar;
  67         GtkWidget *win;
  68 } dm;
  69
  70
  71 static gchar *accepted_language = "en-US";
  72 static GSList *adblock_patterns = NULL;
  73 static gint clients = 0;
  74 static gboolean cooperative_alone = TRUE;
  75 static gboolean cooperative_instances = TRUE;
  76 static int cooperative_pipe_fp = 0;
  77 static gchar *download_dir = "/tmp";
  78 static gint downloads_indicated = 0;
  79 static Window embed = 0;
  80 static gchar *fifo_suffix = "main";
  81 static gchar *first_uri = NULL;
  82 static gdouble global_zoom = 1.0;
  83 static GHashTable *keywords = NULL;
  84 static gboolean language_is_set = FALSE;
  85 static gchar *search_text = NULL;
  86 static gboolean show_all_requests = FALSE;
  87 static gboolean tabbed_automagic = TRUE;
  88
  89
  90 void
  91 adblock(WebKitWebView *web_view, WebKitWebFrame *frame,
  92         WebKitWebResource *resource, WebKitNetworkRequest *request,
  93         WebKitNetworkResponse *response, gpointer data)
  94 {
  95         GSList *it = adblock_patterns;
  96         const gchar *uri;
  97
  98         uri = webkit_network_request_get_uri(request);
  99         if (show_all_requests)
 100                 fprintf(stderr, "   -> %s\n", uri);
 101
 102         while (it)
 103         {
 104                 if (g_regex_match((GRegex *)(it->data), uri, 0, NULL))
 105                 {
 106                         webkit_network_request_set_uri(request, "about:blank");
 107                         if (show_all_requests)
 108                                 fprintf(stderr, "            BLOCKED!\n");
 109                         return;
 110                 }
 111                 it = g_slist_next(it);
 112         }
 113 }
 114
 115 void
 116 adblock_load(void)
 117 {
 118         GRegex *re = NULL;
 119         GError *err = NULL;
 120         GIOChannel *channel = NULL;
 121         gchar *path = NULL, *buf = NULL;
 122
 123         path = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock.black",
 124                                 NULL);
 125         channel = g_io_channel_new_file(path, "r", &err);
 126         if (channel != NULL)
 127         {
 128                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 129                        == G_IO_STATUS_NORMAL)
 130                 {
 131                         g_strstrip(buf);
 132                         if (buf[0] != '#')
 133                         {
 134                                 re = g_regex_new(buf,
 135                                                  G_REGEX_CASELESS | G_REGEX_OPTIMIZE,
 136                                                  G_REGEX_MATCH_PARTIAL, &err);
 137                                 if (err != NULL)
 138                                 {
 139                                         fprintf(stderr, __NAME__": Could not compile regex: %s\n", buf);
 140                                         g_error_free(err);
 141                                         err = NULL;
 142                                 }
 143                                 else
 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         free(c);
 159         clients--;
 160
 161         if (clients == 0)
 162                 gtk_main_quit();
 163 }
 164
 165 gboolean
 166 client_destroy_request(WebKitWebView *web_view, gpointer data)
 167 {
 168         struct Client *c = (struct Client *)data;
 169
 170         gtk_widget_destroy(c->win);
 171
 172         return TRUE;
 173 }
 174
 175 WebKitWebView *
 176 client_new(const gchar *uri)
 177 {
 178         struct Client *c;
 179         gchar *f;
 180
 181         if (uri != NULL && cooperative_instances && !cooperative_alone)
 182         {
 183                 write(cooperative_pipe_fp, uri, strlen(uri));
 184                 write(cooperative_pipe_fp, "\n", 1);
 185                 return NULL;
 186         }
 187
 188         c = malloc(sizeof(struct Client));
 189         if (!c)
 190         {
 191                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 192                 exit(EXIT_FAILURE);
 193         }
 194
 195         c->win = NULL;
 196         if (embed != 0)
 197         {
 198                 c->win = gtk_plug_new(embed);
 199                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 200                 {
 201                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 202                         gtk_widget_destroy(c->win);
 203                         c->win = NULL;
 204                         embed = 0;
 205                 }
 206         }
 207
 208         if (c->win == NULL)
 209         {
 210                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 211                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 212         }
 213
 214         /* When using Gtk2, it only shows a white area when run in suckless'
 215          * tabbed. It appears we need to set a default window size for this
 216          * to work. This is not needed when using Gtk3. */
 217         gtk_window_set_default_size(GTK_WINDOW(c->win), 1024, 768);
 218
 219         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 220         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 221
 222         c->web_view = webkit_web_view_new();
 223
 224         /* XXX I really do want to enable this option. However, I get
 225          * reproducable crashes with it enabled. I've seen bug reports from
 226          * 2010 about this... WebKit crashes in libpixman, so maybe it's not
 227          * a WebKit issue.
 228          * Yeah, well. I'll turn it off for now. */
 229         /*webkit_web_view_set_full_content_zoom(WEBKIT_WEB_VIEW(c->web_view), TRUE);*/
 230
 231         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 232         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 233                          G_CALLBACK(changed_title), c);
 234         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 235                          G_CALLBACK(changed_uri), c);
 236         g_signal_connect(G_OBJECT(c->web_view), "notify::progress",
 237                          G_CALLBACK(changed_load_progress), c);
 238         g_signal_connect(G_OBJECT(c->web_view), "create-web-view",
 239                          G_CALLBACK(client_new_request), NULL);
 240         g_signal_connect(G_OBJECT(c->web_view), "close-web-view",
 241                          G_CALLBACK(client_destroy_request), c);
 242         g_signal_connect(G_OBJECT(c->web_view),
 243                          "mime-type-policy-decision-requested",
 244                          G_CALLBACK(download_request), NULL);
 245         g_signal_connect(G_OBJECT(c->web_view), "download-requested",
 246                          G_CALLBACK(download_handle), c);
 247         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 248                          G_CALLBACK(key_web_view), c);
 249         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 250                          G_CALLBACK(key_web_view), c);
 251         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 252                          G_CALLBACK(key_web_view), c);
 253         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 254                          G_CALLBACK(hover_web_view), c);
 255         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 256                          G_CALLBACK(adblock), NULL);
 257
 258         if (!language_is_set)
 259         {
 260                 g_object_set(webkit_get_default_session(), "accept-language",
 261                              accepted_language, NULL);
 262                 language_is_set = TRUE;
 263         }
 264
 265         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 266
 267         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 268
 269         c->location = gtk_entry_new();
 270         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 271                          G_CALLBACK(key_location), c);
 272
 273         c->progress = gtk_progress_bar_new();
 274         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), 0);
 275
 276         c->status = gtk_progress_bar_new();
 277         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 0);
 278         gtk_widget_set_size_request(c->status, 20, -1);
 279
 280         c->top_box = gtk_hbox_new(FALSE, 0);
 281         gtk_box_pack_start(GTK_BOX(c->top_box), c->status, FALSE, FALSE, 2);
 282         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 283         gtk_box_pack_end(GTK_BOX(c->top_box), c->progress, FALSE, TRUE, 2);
 284
 285         c->vbox = gtk_vbox_new(FALSE, 0);
 286         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 2);
 287         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 288
 289         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 290
 291         gtk_widget_grab_focus(c->web_view);
 292         gtk_widget_show_all(c->win);
 293
 294         if (uri != NULL)
 295         {
 296                 f = ensure_url_scheme(uri);
 297                 if (show_all_requests)
 298                         fprintf(stderr, "====> %s\n", uri);
 299                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 300                 g_free(f);
 301         }
 302
 303         clients++;
 304
 305         return WEBKIT_WEB_VIEW(c->web_view);
 306 }
 307
 308 WebKitWebView *
 309 client_new_request(WebKitWebView *web_view, WebKitWebFrame *frame, gpointer data)
 310 {
 311         return client_new(NULL);
 312 }
 313
 314 void
 315 cooperation_setup(void)
 316 {
 317         GIOChannel *towatch;
 318         gchar *fifofilename, *fifopath;
 319
 320         fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 321         fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 322         g_free(fifofilename);
 323
 324         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 325                 mkfifo(fifopath, 0600);
 326
 327         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 328         if (!cooperative_pipe_fp)
 329         {
 330                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 331         }
 332         else
 333         {
 334                 if (write(cooperative_pipe_fp, "", 0) == -1)
 335                 {
 336                         /* Could not do an empty write to the FIFO which means there's
 337                          * no one listening. */
 338                         close(cooperative_pipe_fp);
 339                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 340                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 341                 }
 342                 else
 343                         cooperative_alone = FALSE;
 344         }
 345
 346         g_free(fifopath);
 347 }
 348
 349 void
 350 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 351 {
 352         struct Client *c = (struct Client *)data;
 353         gdouble p;
 354
 355         p = webkit_web_view_get_progress(WEBKIT_WEB_VIEW(c->web_view));
 356         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), p);
 357 }
 358
 359 void
 360 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 361 {
 362         const gchar *t;
 363         struct Client *c = (struct Client *)data;
 364
 365         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 366         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 367 }
 368
 369 void
 370 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 371 {
 372         const gchar *t;
 373         struct Client *c = (struct Client *)data;
 374
 375         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 376         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 377 }
 378
 379 gboolean
 380 download_handle(WebKitWebView *web_view, WebKitDownload *download, gpointer data)
 381 {
 382         struct Client *c = (struct Client *)data;
 383         gchar *path, *path2 = NULL, *uri;
 384         GtkToolItem *tb;
 385         gboolean ret;
 386         int suffix = 1;
 387
 388         path = g_build_filename(download_dir,
 389                                 webkit_download_get_suggested_filename(download),
 390                                 NULL);
 391         path2 = g_strdup(path);
 392         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 393         {
 394                 g_free(path2);
 395
 396                 path2 = g_strdup_printf("%s.%d", path, suffix);
 397                 suffix++;
 398         }
 399
 400         if (suffix == 1000)
 401         {
 402                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 403                 ret = FALSE;
 404         }
 405         else
 406         {
 407                 uri = g_filename_to_uri(path2, NULL, NULL);
 408                 webkit_download_set_destination_uri(download, uri);
 409                 ret = TRUE;
 410                 g_free(uri);
 411
 412                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 1);
 413                 downloads_indicated++;
 414                 g_timeout_add(500, download_reset_indicator, c);
 415
 416                 tb = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
 417                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb),
 418                                           webkit_download_get_suggested_filename(download));
 419                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 420                 gtk_widget_show_all(dm.toolbar);
 421
 422                 g_signal_connect(G_OBJECT(download), "notify::progress",
 423                                  G_CALLBACK(downloadmanager_progress), tb);
 424
 425                 g_object_ref(download);
 426                 g_signal_connect(G_OBJECT(tb), "clicked",
 427                                  G_CALLBACK(downloadmanager_cancel), download);
 428         }
 429
 430         g_free(path);
 431         g_free(path2);
 432
 433         return ret;
 434 }
 435
 436 gboolean
 437 download_reset_indicator(gpointer data)
 438 {
 439         struct Client *c = (struct Client *)data;
 440
 441         downloads_indicated--;
 442         if (downloads_indicated == 0)
 443                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->status), 0);
 444
 445         return FALSE;
 446 }
 447
 448 gboolean
 449 download_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 450                  WebKitNetworkRequest *request, gchar *mime_type,
 451                  WebKitWebPolicyDecision *policy_decision, gpointer data)
 452 {
 453         if (!webkit_web_view_can_show_mime_type(web_view, mime_type))
 454         {
 455                 webkit_web_policy_decision_download(policy_decision);
 456                 return TRUE;
 457         }
 458         return FALSE;
 459 }
 460
 461 void
 462 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 463 {
 464         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 465
 466         webkit_download_cancel(download);
 467         g_object_unref(download);
 468
 469         gtk_widget_destroy(GTK_WIDGET(tb));
 470 }
 471
 472 void
 473 downloadmanager_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 474 {
 475         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 476         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 477         gdouble p;
 478         const gchar *uri;
 479         gchar *t, *filename, *base;
 480
 481         p = webkit_download_get_progress(download) * 100;
 482
 483         uri = webkit_download_get_destination_uri(download);
 484         filename = g_filename_from_uri(uri, NULL, NULL);
 485         if (filename == NULL)
 486         {
 487                 /* This really should not happen because WebKit uses that URI to
 488                  * write to a file... */
 489                 fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 490                 t = g_strdup_printf("%s (%.0f%%)",
 491                                     webkit_download_get_suggested_filename(download), p);
 492         }
 493         else
 494         {
 495                 base = g_path_get_basename(filename);
 496                 t = g_strdup_printf("%s (%.0f%%)", base, p);
 497                 g_free(filename);
 498                 g_free(base);
 499         }
 500         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 501         g_free(t);
 502 }
 503
 504 void
 505 downloadmanager_setup(void)
 506 {
 507         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 508         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 509         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 510         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 511         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 512                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 513         g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 514                          G_CALLBACK(key_downloadmanager), NULL);
 515
 516         dm.toolbar = gtk_toolbar_new();
 517         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 518                                        GTK_ORIENTATION_VERTICAL);
 519         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 520         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 521
 522         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 523         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 524                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 525         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(dm.scroll),
 526                                               dm.toolbar);
 527
 528         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 529 }
 530
 531 gchar *
 532 ensure_url_scheme(const gchar *t)
 533 {
 534         gchar *f;
 535
 536         f = g_ascii_strdown(t, -1);
 537         if (!g_str_has_prefix(f, "http:") &&
 538             !g_str_has_prefix(f, "https:") &&
 539             !g_str_has_prefix(f, "file:") &&
 540             !g_str_has_prefix(f, "about:"))
 541         {
 542                 g_free(f);
 543                 f = g_strdup_printf("http://%s", t);
 544                 return f;
 545         }
 546         else
 547                 return g_strdup(t);
 548 }
 549
 550 void
 551 grab_environment_configuration(void)
 552 {
 553         const gchar *e;
 554
 555         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 556         if (e != NULL)
 557                 accepted_language = g_strdup(e);
 558
 559         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 560         if (e != NULL)
 561                 download_dir = g_strdup(e);
 562
 563         e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 564         if (e != NULL)
 565                 fifo_suffix = 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         if (!gtk_widget_is_focus(c->location))
 578         {
 579                 if (uri == NULL)
 580                         gtk_entry_set_text(GTK_ENTRY(c->location),
 581                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 582                 else
 583                         gtk_entry_set_text(GTK_ENTRY(c->location), uri);
 584         }
 585 }
 586
 587 gboolean
 588 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 589 {
 590         if (event->type == GDK_KEY_PRESS)
 591         {
 592                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 593                 {
 594                         switch (((GdkEventKey *)event)->keyval)
 595                         {
 596                                 case GDK_KEY_q:  /* close window (left hand) */
 597                                         gtk_widget_hide(dm.win);
 598                                         return TRUE;
 599                         }
 600                 }
 601         }
 602
 603         return FALSE;
 604 }
 605
 606 gboolean
 607 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 608 {
 609         struct Client *c = (struct Client *)data;
 610         const gchar *t;
 611         gchar *f;
 612
 613         if (event->type == GDK_KEY_PRESS)
 614         {
 615                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 616                 {
 617                         switch (((GdkEventKey *)event)->keyval)
 618                         {
 619                                 case GDK_KEY_q:  /* close window (left hand) */
 620                                         gtk_widget_destroy(c->win);
 621                                         return TRUE;
 622                                 case GDK_KEY_d:  /* download manager (left hand) */
 623                                         gtk_widget_show_all(dm.win);
 624                                         return TRUE;
 625                                 case GDK_KEY_r:  /* reload (left hand) */
 626                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 627                                                                             c->web_view));
 628                                         return TRUE;
 629                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 630                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 631                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 632                                         return TRUE;
 633                         }
 634                 }
 635                 else
 636                 {
 637                         switch (((GdkEventKey *)event)->keyval)
 638                         {
 639                                 case GDK_KEY_Return:
 640                                         gtk_widget_grab_focus(c->web_view);
 641                                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
 642                                         if (t != NULL && t[0] == '/')
 643                                         {
 644                                                 if (search_text != NULL)
 645                                                         g_free(search_text);
 646                                                 search_text = g_strdup(t + 1);  /* XXX whacky */
 647                                                 search(c, 1);
 648                                         }
 649                                         else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 650                                         {
 651                                                 f = ensure_url_scheme(t);
 652                                                 if (show_all_requests)
 653                                                         fprintf(stderr, "====> %s\n", f);
 654                                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 655                                                 g_free(f);
 656                                         }
 657                                         return TRUE;
 658                                 case GDK_KEY_Escape:
 659                                         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 660                                         gtk_entry_set_text(GTK_ENTRY(c->location),
 661                                                            (t == NULL ? __NAME__ : t));
 662                                         return TRUE;
 663                         }
 664                 }
 665         }
 666
 667         return FALSE;
 668 }
 669
 670 gboolean
 671 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 672 {
 673         struct Client *c = (struct Client *)data;
 674         WebKitHitTestResultContext ht_context;
 675         WebKitHitTestResult *ht_result = NULL;
 676         gchar *ht_uri = NULL, *f;
 677         gfloat z;
 678         gboolean b;
 679
 680         if (event->type == GDK_KEY_PRESS)
 681         {
 682                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 683                 {
 684                         switch (((GdkEventKey *)event)->keyval)
 685                         {
 686                                 case GDK_KEY_q:  /* close window (left hand) */
 687                                         gtk_widget_destroy(c->win);
 688                                         return TRUE;
 689                                 case GDK_KEY_w:  /* home (left hand) */
 690                                         f = ensure_url_scheme(first_uri);
 691                                         if (show_all_requests)
 692                                                 fprintf(stderr, "====> %s\n", f);
 693                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 694                                         g_free(f);
 695                                         return TRUE;
 696                                 case GDK_KEY_e:  /* new tab (left hand) */
 697                                         f = ensure_url_scheme(first_uri);
 698                                         if (show_all_requests)
 699                                                 fprintf(stderr, "====> %s\n", f);
 700                                         client_new(f);
 701                                         g_free(f);
 702                                         return TRUE;
 703                                 case GDK_KEY_r:  /* reload (left hand) */
 704                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 705                                                                             c->web_view));
 706                                         return TRUE;
 707                                 case GDK_KEY_s:  /* toggle source view (left hand) */
 708                                         b = webkit_web_view_get_view_source_mode(WEBKIT_WEB_VIEW(
 709                                                                                  c->web_view));
 710                                         b = !b;
 711                                         webkit_web_view_set_view_source_mode(WEBKIT_WEB_VIEW(
 712                                                                              c->web_view), b);
 713                                         webkit_web_view_reload(WEBKIT_WEB_VIEW(c->web_view));
 714                                         return TRUE;
 715                                 case GDK_KEY_d:  /* download manager (left hand) */
 716                                         gtk_widget_show_all(dm.win);
 717                                         return TRUE;
 718                                 case GDK_KEY_2:  /* search forward (left hand) */
 719                                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 720                                         search(c, 1);
 721                                         return TRUE;
 722                                 case GDK_KEY_3:  /* search backward (left hand) */
 723                                         search(c, -1);
 724                                         return TRUE;
 725                                 case GDK_KEY_l:  /* location (BOTH hands) */
 726                                         gtk_widget_grab_focus(c->location);
 727                                         return TRUE;
 728                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 729                                         gtk_widget_grab_focus(c->location);
 730                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 731                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 732                                         return TRUE;
 733                         }
 734                 }
 735                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 736                 {
 737                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 738                         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(c->progress), 0);
 739                 }
 740         }
 741         else if (event->type == GDK_BUTTON_PRESS)
 742         {
 743                 switch (((GdkEventButton *)event)->button)
 744                 {
 745                         case 2:
 746                                 ht_result = webkit_web_view_get_hit_test_result(
 747                                                                    WEBKIT_WEB_VIEW(c->web_view),
 748                                                                        (GdkEventButton *)event);
 749                                 g_object_get(ht_result, "context", &ht_context, NULL);
 750                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 751                                 {
 752                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 753                                         client_new(ht_uri);
 754                                         g_object_unref(ht_result);
 755                                         return TRUE;
 756                                 }
 757                                 g_object_unref(ht_result);
 758                                 break;
 759                         case 8:
 760                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 761                                 return TRUE;
 762                         case 9:
 763                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 764                                 return TRUE;
 765                 }
 766         }
 767         else if (event->type == GDK_SCROLL)
 768         {
 769                 if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 770                     ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 771                 {
 772                         switch (((GdkEventScroll *)event)->direction)
 773                         {
 774                                 case GDK_SCROLL_UP:
 775                                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(
 776                                                                                      c->web_view));
 777                                         z += 0.1;
 778                                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view),
 779                                                                        z);
 780                                         return TRUE;
 781                                 case GDK_SCROLL_DOWN:
 782                                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(
 783                                                                                      c->web_view));
 784                                         z -= 0.1;
 785                                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view),
 786                                                                        z);
 787                                         return TRUE;
 788                                 default:
 789                                         break;
 790                         }
 791                 }
 792         }
 793
 794         return FALSE;
 795 }
 796
 797 void
 798 keywords_load(void)
 799 {
 800         GError *err = NULL;
 801         GIOChannel *channel = NULL;
 802         gchar *path = NULL, *buf = NULL;
 803         gchar **tokens = NULL;
 804
 805         keywords = g_hash_table_new(g_str_hash, g_str_equal);
 806
 807         path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 808                                 NULL);
 809         channel = g_io_channel_new_file(path, "r", &err);
 810         if (channel != NULL)
 811         {
 812                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 813                        == G_IO_STATUS_NORMAL)
 814                 {
 815                         g_strstrip(buf);
 816                         if (buf[0] != '#')
 817                         {
 818                                 tokens = g_strsplit(buf, " ", 2);
 819                                 if (tokens[0] != NULL && tokens[1] != NULL)
 820                                         g_hash_table_insert(keywords, tokens[0], tokens[1]);
 821                                 else
 822                                         g_strfreev(tokens);
 823                         }
 824                         g_free(buf);
 825                 }
 826         }
 827         g_io_channel_shutdown(channel, FALSE, NULL);
 828         g_free(path);
 829 }
 830
 831 gboolean
 832 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 833 {
 834         gboolean ret = FALSE;
 835         gchar **tokens = NULL;
 836         gchar *val = NULL, *uri = NULL;
 837
 838         tokens = g_strsplit(t, " ", 2);
 839         if (tokens[0] != NULL && tokens[1] != NULL)
 840         {
 841                 val = g_hash_table_lookup(keywords, tokens[0]);
 842                 if (val != NULL)
 843                 {
 844                         uri = g_strdup_printf((gchar *)val, tokens[1]);
 845                         if (show_all_requests)
 846                                 fprintf(stderr, "====> %s\n", uri);
 847                         webkit_web_view_load_uri(web_view, uri);
 848                         g_free(uri);
 849                         ret = TRUE;
 850                 }
 851         }
 852         g_strfreev(tokens);
 853
 854         return ret;
 855 }
 856
 857 gboolean
 858 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 859 {
 860         gchar *uri = NULL;
 861
 862         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 863         if (uri)
 864         {
 865                 g_strstrip(uri);
 866                 client_new(uri);
 867                 g_free(uri);
 868         }
 869         return TRUE;
 870 }
 871
 872 void
 873 search(gpointer data, gint direction)
 874 {
 875         struct Client *c = (struct Client *)data;
 876
 877         if (search_text == NULL)
 878                 return;
 879
 880         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 881                                     FALSE, direction == 1, TRUE);
 882 }
 883
 884 Window
 885 tabbed_launch(void)
 886 {
 887         gint tabbed_stdout;
 888         GIOChannel *tabbed_stdout_channel;
 889         GError *err = NULL;
 890         gchar *output = NULL;
 891         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 892         Window plug_into;
 893
 894         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 895                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 896                                       &err))
 897         {
 898                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 899                 g_error_free(err);
 900                 return 0;
 901         }
 902
 903         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 904         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 905         if (output == NULL)
 906         {
 907                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 908                 return 0;
 909         }
 910
 911         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 912
 913         g_strstrip(output);
 914         plug_into = strtol(output, NULL, 16);
 915         g_free(output);
 916         return plug_into;
 917 }
 918
 919 void
 920 usage(void)
 921 {
 922         fprintf(stderr, "Usage: "__NAME__" [OPTION]... <URI>...\n");
 923         exit(EXIT_FAILURE);
 924 }
 925
 926
 927 int
 928 main(int argc, char **argv)
 929 {
 930         int opt, i;
 931
 932         gtk_init(&argc, &argv);
 933
 934         grab_environment_configuration();
 935
 936         while ((opt = getopt(argc, argv, "e:rCT")) != -1)
 937         {
 938                 switch (opt)
 939                 {
 940                         case 'e':
 941                                 embed = atol(optarg);
 942                                 tabbed_automagic = FALSE;
 943                                 break;
 944                         case 'r':
 945                                 show_all_requests = TRUE;
 946                                 break;
 947                         case 'C':
 948                                 cooperative_instances = FALSE;
 949                                 break;
 950                         case 'T':
 951                                 tabbed_automagic = FALSE;
 952                                 break;
 953                         default:
 954                                 usage();
 955                 }
 956         }
 957
 958         if (optind >= argc)
 959                 usage();
 960
 961         adblock_load();
 962         keywords_load();
 963         cooperation_setup();
 964         downloadmanager_setup();
 965
 966         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 967                 embed = tabbed_launch();
 968
 969         first_uri = g_strdup(argv[optind]);
 970         for (i = optind; i < argc; i++)
 971                 client_new(argv[i]);
 972         if (!cooperative_instances || cooperative_alone)
 973                 gtk_main();
 974         exit(EXIT_SUCCESS);
 975 }