surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <signal.h>
   6 #include <X11/X.h>
   7 #include <X11/Xatom.h>
   8 #include <gtk/gtkx.h>
   9 #include <gtk/gtk.h>
  10 #include <gdk/gdkx.h>
  11 #include <gdk/gdk.h>
  12 #include <gdk/gdkkeysyms.h>
  13 #include <string.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <unistd.h>
  17 #include <limits.h>
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <webkit2/webkit2.h>
  21 #include <glib/gstdio.h>
  22 #include <JavaScriptCore/JavaScript.h>
  23 #include <sys/file.h>
  24 #include <libgen.h>
  25 #include <stdarg.h>
  26 #include <regex.h>
  27 #include <pwd.h>
  28 #include <string.h>
  29
  30 #include "arg.h"
  31
  32 char *argv0;
  33
  34 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  36
  37 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  38 enum {
  39         ClkDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  40         ClkLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  41         ClkImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  42         ClkMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  43         ClkSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  44         ClkEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  45         ClkAny   = ClkDoc | ClkLink | ClkImg | ClkMedia | ClkSel | ClkEdit,
  46 };
  47
  48 typedef union Arg Arg;
  49 union Arg {
  50         gboolean b;
  51         gint i;
  52         const void *v;
  53 };
  54
  55 typedef struct Client {
  56         GtkWidget *win;
  57         Window xid;
  58         WebKitWebView *view;
  59         WebKitWebInspector *inspector;
  60         char *title, *linkhover;
  61         const char *needle;
  62         gint progress;
  63         struct Client *next;
  64         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  65 } Client;
  66
  67 typedef struct {
  68         guint mod;
  69         guint keyval;
  70         void (*func)(Client *c, const Arg *arg);
  71         const Arg arg;
  72 } Key;
  73
  74 typedef struct {
  75         unsigned int click;
  76         unsigned int mask;
  77         guint button;
  78         void (*func)(Client *c, const Arg *arg);
  79         const Arg arg;
  80 } Button;
  81
  82 typedef struct {
  83         char *regex;
  84         char *style;
  85         regex_t re;
  86 } SiteStyle;
  87
  88 static Display *dpy;
  89 static Atom atoms[AtomLast];
  90 static Client *clients = NULL;
  91 static Window embed = 0;
  92 static gboolean showxid = FALSE;
  93 static char winid[64];
  94 static char togglestat[9];
  95 static char pagestat[3];
  96 static GTlsDatabase *tlsdb;
  97 static int cookiepolicy;
  98 static char *stylefile = NULL;
  99
 100 static void addaccelgroup(Client *c);
 101 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 102                           WebKitWebResource *r, WebKitNetworkRequest *req,
 103                           WebKitNetworkResponse *resp, Client *c);
 104 static char *buildfile(const char *path);
 105 static char *buildpath(const char *path);
 106 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c);
 107 static void cleanup(void);
 108 static void clipboard(Client *c, const Arg *arg);
 109
 110 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 111 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 112
 113 static char *copystr(char **str, const char *src);
 114 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 115                                    Client *c);
 116 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 117                                WebKitNetworkRequest *r, gchar *m,
 118                                WebKitWebPolicyDecision *p, Client *c);
 119 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 120                              WebKitNetworkRequest *r, WebKitWebNavigationAction
 121                              *n, WebKitWebPolicyDecision *p, Client *c);
 122 static gboolean deletion_interface(WebKitWebView *view,
 123                                    WebKitDOMHTMLElement *arg1, Client *c);
 124 static void destroyclient(Client *c);
 125 static void destroywin(GtkWidget* w, Client *c);
 126 static void die(const char *errstr, ...);
 127 static void eval(Client *c, const Arg *arg);
 128 static void find(Client *c, const Arg *arg);
 129 static void fullscreen(Client *c, const Arg *arg);
 130 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 131                                WebKitGeolocationPolicyDecision *d, Client *c);
 132 static const char *getatom(Client *c, int a);
 133 static void gettogglestat(Client *c);
 134 static void getpagestat(Client *c);
 135 static char *geturi(Client *c);
 136 static const gchar *getstyle(const char *uri);
 137 static void setstyle(Client *c, const char *style);
 138
 139 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 140
 141 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 142
 143 static void inspector(Client *c, const Arg *arg);
 144 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 145                                     Client *c);
 146 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 147 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 148 static void inspector_finished(WebKitWebInspector *i, Client *c);
 149
 150 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 151                          GdkModifierType mods, Client *c);
 152 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 153                       Client *c);
 154 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 155                              Client *c);
 156 static void loaduri(Client *c, const Arg *arg);
 157 static void navigate(Client *c, const Arg *arg);
 158 static Client *newclient(Client *c);
 159 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 160 static void showview(WebKitWebView *v, Client *c);
 161 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 162 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 163 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 164                             WebKitHitTestResult *target, gboolean keyboard,
 165                             Client *c);
 166 static void menuactivate(GtkMenuItem *item, Client *c);
 167 static void print(Client *c, const Arg *arg);
 168 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 169                                 gpointer d);
 170 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 171 static void linkopen(Client *c, const Arg *arg);
 172 static void linkopenembed(Client *c, const Arg *arg);
 173 static void reload(Client *c, const Arg *arg);
 174 static void scroll_h(Client *c, const Arg *arg);
 175 static void scroll_v(Client *c, const Arg *arg);
 176 static void scroll(GtkAdjustment *a, const Arg *arg);
 177 static void setatom(Client *c, int a, const char *v);
 178 static void setup(void);
 179 static void sigchld(int unused);
 180 static void spawn(Client *c, const Arg *arg);
 181 static void stop(Client *c, const Arg *arg);
 182 static void titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 183 static void titlechangeleave(void *a, void *b, Client *c);
 184 static void toggle(Client *c, const Arg *arg);
 185 static void togglecookiepolicy(Client *c, const Arg *arg);
 186 static void togglegeolocation(Client *c, const Arg *arg);
 187 static void togglescrollbars(Client *c, const Arg *arg);
 188 static void togglestyle(Client *c, const Arg *arg);
 189 static void updatetitle(Client *c);
 190 static void updatewinid(Client *c);
 191 static void usage(void);
 192 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 193                                 JSContextRef js, JSObjectRef win, Client *c);
 194 static void zoom(Client *c, const Arg *arg);
 195
 196 /* configuration, allows nested code to access above variables */
 197 #include "config.h"
 198
 199 void
 200 addaccelgroup(Client *c)
 201 {
 202         int i;
 203         GtkAccelGroup *group = gtk_accel_group_new();
 204         GClosure *closure;
 205
 206         for (i = 0; i < LENGTH(keys); i++) {
 207                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 208                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
 209                                         closure);
 210         }
 211         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 212 }
 213
 214 void
 215 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 216               WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 217               Client *c)
 218 {
 219         const gchar *uri = webkit_network_request_get_uri(req);
 220         int i, isascii = 1;
 221
 222         if (g_str_has_suffix(uri, "/favicon.ico"))
 223                 webkit_network_request_set_uri(req, "about:blank");
 224
 225         if (!g_str_has_prefix(uri, "http://")
 226             && !g_str_has_prefix(uri, "https://")
 227             && !g_str_has_prefix(uri, "about:")
 228             && !g_str_has_prefix(uri, "file://")
 229             && !g_str_has_prefix(uri, "data:")
 230             && !g_str_has_prefix(uri, "blob:")
 231             && strlen(uri) > 0) {
 232                 for (i = 0; i < strlen(uri); i++) {
 233                         if (!g_ascii_isprint(uri[i])) {
 234                                 isascii = 0;
 235                                 break;
 236                         }
 237                 }
 238                 if (isascii)
 239                         handleplumb(c, w, uri);
 240         }
 241 }
 242
 243 char *
 244 buildfile(const char *path)
 245 {
 246         char *dname, *bname, *bpath, *fpath;
 247         FILE *f;
 248
 249         dname = g_path_get_dirname(path);
 250         bname = g_path_get_basename(path);
 251
 252         bpath = buildpath(dname);
 253         g_free(dname);
 254
 255         fpath = g_build_filename(bpath, bname, NULL);
 256         g_free(bpath);
 257         g_free(bname);
 258
 259         if (!(f = fopen(fpath, "a")))
 260                 die("Could not open file: %s\n", fpath);
 261
 262         g_chmod(fpath, 0600); /* always */
 263         fclose(f);
 264
 265         return fpath;
 266 }
 267
 268 char *
 269 buildpath(const char *path)
 270 {
 271         struct passwd *pw;
 272         char *apath, *name, *p, *fpath;
 273
 274         if (path[0] == '~') {
 275                 if (path[1] == '/' || path[1] == '\0') {
 276                         p = (char *)&path[1];
 277                         pw = getpwuid(getuid());
 278                 } else {
 279                         if ((p = strchr(path, '/')))
 280                                 name = g_strndup(&path[1], --p - path);
 281                         else
 282                                 name = g_strdup(&path[1]);
 283
 284                         if (!(pw = getpwnam(name))) {
 285                                 die("Can't get user %s home directory: %s.\n",
 286                                     name, path);
 287                         }
 288                         g_free(name);
 289                 }
 290                 apath = g_build_filename(pw->pw_dir, p, NULL);
 291         } else {
 292                 apath = g_strdup(path);
 293         }
 294
 295         /* creating directory */
 296         if (g_mkdir_with_parents(apath, 0700) < 0)
 297                 die("Could not access directory: %s\n", apath);
 298
 299         fpath = realpath(apath, NULL);
 300         g_free(apath);
 301
 302         return fpath;
 303 }
 304
 305 gboolean
 306 buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c)
 307 {
 308         WebKitHitTestResultContext context;
 309         WebKitHitTestResult *result;
 310         Arg arg;
 311         unsigned int i;
 312
 313         result = webkit_web_view_get_hit_test_result(web, e);
 314         g_object_get(result, "context", &context, NULL);
 315         g_object_get(result, "link-uri", &arg.v, NULL);
 316         for (i = 0; i < LENGTH(buttons); i++) {
 317                 if (context & buttons[i].click
 318                     && e->button == buttons[i].button
 319                     && CLEANMASK(e->state) == CLEANMASK(buttons[i].mask)
 320                     && buttons[i].func) {
 321                         buttons[i].func(c, buttons[i].click == ClkLink
 322                             && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 323                         return true;
 324                 }
 325         }
 326         return false;
 327 }
 328
 329 void
 330 cleanup(void)
 331 {
 332         while (clients)
 333                 destroyclient(clients);
 334         g_free(cookiefile);
 335         g_free(scriptfile);
 336         g_free(stylefile);
 337         g_free(cachedir);
 338 }
 339
 340 WebKitCookieAcceptPolicy
 341 cookiepolicy_get(void)
 342 {
 343         switch (cookiepolicies[cookiepolicy]) {
 344         case 'a':
 345                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 346         case '@':
 347                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 348         case 'A':
 349         default:
 350                 break;
 351         }
 352
 353         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 354 }
 355
 356 char
 357 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
 358 {
 359         switch (ep) {
 360         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 361                 return 'a';
 362         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 363                 return '@';
 364         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 365         default:
 366                 break;
 367         }
 368
 369         return 'A';
 370 }
 371
 372 void
 373 evalscript(JSContextRef js, char *script, char* scriptname)
 374 {
 375         JSStringRef jsscript, jsscriptname;
 376         JSValueRef exception = NULL;
 377
 378         jsscript = JSStringCreateWithUTF8CString(script);
 379         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 380         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 381                          jsscriptname, 0, &exception);
 382         JSStringRelease(jsscript);
 383         JSStringRelease(jsscriptname);
 384 }
 385
 386 void
 387 runscript(WebKitWebFrame *frame)
 388 {
 389         char *script;
 390         GError *error;
 391
 392         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 393                 evalscript(webkit_web_frame_get_global_context(frame), script,
 394                            scriptfile);
 395         }
 396 }
 397
 398 void
 399 clipboard(Client *c, const Arg *arg)
 400 {
 401         gboolean paste = *(gboolean *)arg;
 402
 403         if (paste) {
 404                 gtk_clipboard_request_text(gtk_clipboard_get(
 405                                            GDK_SELECTION_PRIMARY),
 406                                            pasteuri, c);
 407         } else {
 408                 gtk_clipboard_set_text(gtk_clipboard_get(
 409                                        GDK_SELECTION_PRIMARY), c->linkhover
 410                                        ? c->linkhover : geturi(c), -1);
 411         }
 412 }
 413
 414 char *
 415 copystr(char **str, const char *src)
 416 {
 417         char *tmp;
 418         tmp = g_strdup(src);
 419
 420         if (str && *str) {
 421                 g_free(*str);
 422                 *str = tmp;
 423         }
 424         return tmp;
 425 }
 426
 427 WebKitWebView *
 428 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c)
 429 {
 430         Client *n = newclient();
 431         return n->view;
 432 }
 433
 434 gboolean
 435 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 436                gchar *m,  WebKitWebPolicyDecision *p, Client *c)
 437 {
 438         if (!webkit_web_view_can_show_mime_type(v, m)) {
 439                 webkit_web_policy_decision_download(p);
 440                 return TRUE;
 441         }
 442         return FALSE;
 443 }
 444
 445 gboolean
 446 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 447              WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 448              Client *c)
 449 {
 450         Arg arg;
 451
 452         if (webkit_web_navigation_action_get_reason(n)
 453             == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 454                 webkit_web_policy_decision_ignore(p);
 455                 arg.v = (void *)webkit_network_request_get_uri(r);
 456                 newwindow(NULL, &arg, 0);
 457                 return TRUE;
 458         }
 459         return FALSE;
 460 }
 461
 462 gboolean
 463 deletion_interface(WebKitWebView *view, WebKitDOMHTMLElement *arg1, Client *c)
 464 {
 465         return FALSE;
 466 }
 467
 468 void
 469 destroyclient(Client *c)
 470 {
 471         Client *p;
 472
 473         webkit_web_view_stop_loading(c->view);
 474         gtk_widget_destroy(GTK_WIDGET(c->view));
 475         gtk_widget_destroy(c->scroll);
 476         gtk_widget_destroy(c->vbox);
 477         gtk_widget_destroy(c->win);
 478
 479         for (p = clients; p && p->next != c; p = p->next)
 480                 ;
 481         if (p)
 482                 p->next = c->next;
 483         else
 484                 clients = c->next;
 485         free(c);
 486         if (clients == NULL)
 487                 gtk_main_quit();
 488 }
 489
 490 void
 491 destroywin(GtkWidget* w, Client *c)
 492 {
 493         destroyclient(c);
 494 }
 495
 496 void
 497 die(const char *errstr, ...)
 498 {
 499         va_list ap;
 500
 501         va_start(ap, errstr);
 502         vfprintf(stderr, errstr, ap);
 503         va_end(ap);
 504         exit(EXIT_FAILURE);
 505 }
 506
 507 void
 508 find(Client *c, const Arg *arg)
 509 {
 510         const char *s;
 511
 512         s = getatom(c, AtomFind);
 513         gboolean forward = *(gboolean *)arg;
 514         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 515 }
 516
 517 void
 518 fullscreen(Client *c, const Arg *arg)
 519 {
 520         if (c->fullscreen)
 521                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 522         else
 523                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 524         c->fullscreen = !c->fullscreen;
 525 }
 526
 527 void
 528 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 529                    WebKitGeolocationPolicyDecision *d, Client *c)
 530 {
 531         if (allowgeolocation)
 532                 webkit_geolocation_policy_allow(d);
 533         else
 534                 webkit_geolocation_policy_deny(d);
 535 }
 536
 537 const char *
 538 getatom(Client *c, int a)
 539 {
 540         static char buf[BUFSIZ];
 541         Atom adummy;
 542         int idummy;
 543         unsigned long ldummy;
 544         unsigned char *p = NULL;
 545
 546         XGetWindowProperty(dpy, c->xid,
 547                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 548                            &adummy, &idummy, &ldummy, &ldummy, &p);
 549         if (p)
 550                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 551         else
 552                 buf[0] = '\0';
 553         XFree(p);
 554
 555         return buf;
 556 }
 557
 558 char *
 559 geturi(Client *c)
 560 {
 561         char *uri;
 562
 563         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 564                 uri = "about:blank";
 565         return uri;
 566 }
 567
 568 const gchar *
 569 getstyle(const char *uri)
 570 {
 571         int i;
 572
 573         if (stylefile != NULL)
 574                 return stylefile;
 575
 576         for (i = 0; i < LENGTH(styles); i++) {
 577                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 578                     NULL, 0))
 579                         return styles[i].style;
 580         }
 581
 582         return "";
 583 }
 584
 585 void
 586 setstyle(Client *c, const char *style)
 587 {
 588         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 589
 590         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
 591 }
 592
 593 void
 594 handleplumb(Client *c, WebKitWebView *w, const gchar *uri)
 595 {
 596         Arg arg;
 597
 598         webkit_web_view_stop_loading(w);
 599         arg = (Arg)PLUMB((char *)uri);
 600         spawn(c, &arg);
 601 }
 602
 603 gboolean
 604 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c)
 605 {
 606         Arg arg;
 607
 608         updatewinid(c);
 609         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 610         spawn(c, &arg);
 611         return FALSE;
 612 }
 613
 614 void
 615 inspector(Client *c, const Arg *arg)
 616 {
 617         if (enableinspector) {
 618                 if (c->isinspecting)
 619                         webkit_web_inspector_close(c->inspector);
 620                 else
 621                         webkit_web_inspector_show(c->inspector);
 622         }
 623 }
 624
 625 WebKitWebView *
 626 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
 627 {
 628         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 629 }
 630
 631 gboolean
 632 inspector_show(WebKitWebInspector *i, Client *c)
 633 {
 634         WebKitWebView *w;
 635
 636         if (c->isinspecting)
 637                 return false;
 638
 639         w = webkit_web_inspector_get_web_view(i);
 640         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 641         gtk_widget_show(GTK_WIDGET(w));
 642         c->isinspecting = true;
 643
 644         return true;
 645 }
 646
 647 gboolean
 648 inspector_close(WebKitWebInspector *i, Client *c)
 649 {
 650         GtkWidget *w;
 651
 652         if (!c->isinspecting)
 653                 return false;
 654
 655         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 656         gtk_widget_hide(w);
 657         gtk_widget_destroy(w);
 658         c->isinspecting = false;
 659
 660         return true;
 661 }
 662
 663 void
 664 inspector_finished(WebKitWebInspector *i, Client *c)
 665 {
 666         g_free(c->inspector);
 667 }
 668
 669 gboolean
 670 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 671          Client *c)
 672 {
 673         guint i;
 674         gboolean processed = FALSE;
 675
 676         mods = CLEANMASK(mods);
 677         key = gdk_keyval_to_lower(key);
 678         updatewinid(c);
 679         for (i = 0; i < LENGTH(keys); i++) {
 680                 if (key == keys[i].keyval
 681                     && mods == keys[i].mod
 682                     && keys[i].func) {
 683                         keys[i].func(c, &(keys[i].arg));
 684                         processed = TRUE;
 685                 }
 686         }
 687
 688         return processed;
 689 }
 690
 691 void
 692 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c)
 693 {
 694         if (l) {
 695                 c->linkhover = copystr(&c->linkhover, l);
 696         } else if (c->linkhover) {
 697                 free(c->linkhover);
 698                 c->linkhover = NULL;
 699         }
 700         updatetitle(c);
 701 }
 702
 703 void
 704 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
 705 {
 706         WebKitWebFrame *frame;
 707         WebKitWebDataSource *src;
 708         WebKitNetworkRequest *request;
 709         SoupMessage *msg;
 710         char *uri;
 711
 712         switch (webkit_web_view_get_load_status (c->view)) {
 713         case WEBKIT_LOAD_COMMITTED:
 714                 uri = geturi(c);
 715                 if (strstr(uri, "https://") == uri) {
 716                         frame = webkit_web_view_get_main_frame(c->view);
 717                         src = webkit_web_frame_get_data_source(frame);
 718                         request = webkit_web_data_source_get_request(src);
 719                         msg = webkit_network_request_get_message(request);
 720                         c->sslfailed = !(soup_message_get_flags(msg)
 721                                        & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 722                 }
 723                 setatom(c, AtomUri, uri);
 724
 725                 if (enablestyle)
 726                         setstyle(c, getstyle(uri));
 727                 break;
 728         case WEBKIT_LOAD_FINISHED:
 729                 c->progress = 100;
 730                 updatetitle(c);
 731                 break;
 732         default:
 733                 break;
 734         }
 735 }
 736
 737 void
 738 loaduri(Client *c, const Arg *arg)
 739 {
 740         char *u = NULL, *rp;
 741         const char *uri = (char *)arg->v;
 742         Arg a = { .b = FALSE };
 743         struct stat st;
 744
 745         if (strcmp(uri, "") == 0)
 746                 return;
 747
 748         /* In case it's a file path. */
 749         if (stat(uri, &st) == 0) {
 750                 rp = realpath(uri, NULL);
 751                 u = g_strdup_printf("file://%s", rp);
 752                 free(rp);
 753         } else {
 754                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 755                     : g_strdup_printf("http://%s", uri);
 756         }
 757
 758         setatom(c, AtomUri, uri);
 759
 760         /* prevents endless loop */
 761         if (strcmp(u, geturi(c)) == 0) {
 762                 reload(c, &a);
 763         } else {
 764                 webkit_web_view_load_uri(c->view, u);
 765                 c->progress = 0;
 766                 c->title = copystr(&c->title, u);
 767                 updatetitle(c);
 768         }
 769         g_free(u);
 770 }
 771
 772 void
 773 navigate(Client *c, const Arg *arg)
 774 {
 775         int steps = *(int *)arg;
 776         webkit_web_view_go_back_or_forward(c->view, steps);
 777 }
 778
 779 Client *
 780 newclient(Client *rc)
 781 {
 782         Client *c;
 783         gdouble dpi;
 784
 785         if (!(c = calloc(1, sizeof(Client))))
 786                 die("Cannot malloc!\n");
 787
 788         c->title = NULL;
 789         c->progress = 100;
 790
 791         c->next = clients;
 792         clients = c;
 793
 794         c->view = newview(c, rc ? rc->view : NULL);
 795
 796         return c;
 797 }
 798
 799 WebKitWebView *
 800 newview(Client *c, WebKitWebView *rv)
 801 {
 802         WebKitWebView *v;
 803         WebKitSettings *settings;
 804         WebKitUserContentManager *contentmanager;
 805         WebKitWebContext *context;
 806         char *ua;
 807
 808         /* Webview */
 809         if (rv) {
 810                 v = WEBKIT_WEB_VIEW(
 811                     webkit_web_view_new_with_related_view(rv));
 812         } else {
 813                 settings = webkit_settings_new_with_settings(
 814                     "auto-load-images", loadimages,
 815                     "default-font-size", defaultfontsize,
 816                     "enable-caret-browsing", enablecaretbrowsing,
 817                     "enable-developer-extras", enableinspector,
 818                     "enable-dns-prefetching", enablednsprefetching,
 819                     "enable-frame-flattening", enableframeflattening,
 820                     "enable-html5-database", enablecache,
 821                     "enable-html5-local-storage", enablecache,
 822                     "enable-javascript", enablescripts,
 823                     "enable-plugins", enableplugins,
 824                     NULL);
 825                 if (!(ua = getenv("SURF_USERAGENT")))
 826                         ua = useragent;
 827                 webkit_settings_set_user_agent(settings, ua);
 828                 /* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
 829                  * for more interesting settings */
 830
 831                 contentmanager = webkit_user_content_manager_new();
 832
 833                 context = webkit_web_context_new_with_website_data_manager(
 834                     webkit_website_data_manager_new(
 835                     "base-cache-directory", cachedir,
 836                     "base-data-directory", cachedir,
 837                     NULL));
 838
 839                 /* rendering process model, can be a shared unique one or one for each
 840                  * view */
 841                 webkit_web_context_set_process_model(context,
 842                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 843                 /* ssl */
 844                 webkit_web_context_set_tls_errors_policy(context, strictssl ?
 845                     WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 846                 /* disk cache */
 847                 webkit_web_context_set_cache_model(context, enablecache ?
 848                     WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 849
 850                 /* Currently only works with text file to be compatible with curl */
 851                 webkit_cookie_manager_set_persistent_storage(
 852                     webkit_web_context_get_cookie_manager(context), cookiefile,
 853                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 854                 /* cookie policy */
 855                 webkit_cookie_manager_set_accept_policy(
 856                     webkit_web_context_get_cookie_manager(context),
 857                     cookiepolicy_get());
 858
 859                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 860                     "settings", settings,
 861                     "user-content-manager", contentmanager,
 862                     "web-context", context,
 863                     NULL);
 864         }
 865
 866         g_signal_connect(G_OBJECT(v),
 867                          "notify::title",
 868                          G_CALLBACK(titlechange), c);
 869         g_signal_connect(G_OBJECT(v),
 870                          "hovering-over-link",
 871                          G_CALLBACK(linkhover), c);
 872         g_signal_connect(G_OBJECT(v),
 873                          "geolocation-policy-decision-requested",
 874                          G_CALLBACK(geopolicyrequested), c);
 875         g_signal_connect(G_OBJECT(v),
 876                          "create-web-view",
 877                          G_CALLBACK(createwindow), c);
 878         g_signal_connect(G_OBJECT(v), "ready-to-show",
 879                          G_CALLBACK(showview), c);
 880         g_signal_connect(G_OBJECT(v),
 881                          "new-window-policy-decision-requested",
 882                          G_CALLBACK(decidewindow), c);
 883         g_signal_connect(G_OBJECT(v),
 884                          "mime-type-policy-decision-requested",
 885                          G_CALLBACK(decidedownload), c);
 886         g_signal_connect(G_OBJECT(v),
 887                          "window-object-cleared",
 888                          G_CALLBACK(windowobjectcleared), c);
 889         g_signal_connect(G_OBJECT(v),
 890                          "notify::load-status",
 891                          G_CALLBACK(loadstatuschange), c);
 892         g_signal_connect(G_OBJECT(v),
 893                          "notify::progress",
 894                          G_CALLBACK(progresschange), c);
 895         g_signal_connect(G_OBJECT(v),
 896                          "download-requested",
 897                          G_CALLBACK(initdownload), c);
 898         g_signal_connect(G_OBJECT(v),
 899                          "button-release-event",
 900                          G_CALLBACK(buttonrelease), c);
 901         g_signal_connect(G_OBJECT(v),
 902                          "context-menu",
 903                          G_CALLBACK(contextmenu), c);
 904         g_signal_connect(G_OBJECT(v),
 905                          "resource-request-starting",
 906                          G_CALLBACK(beforerequest), c);
 907         g_signal_connect(G_OBJECT(v),
 908                          "should-show-delete-interface-for-element",
 909                          G_CALLBACK(deletion_interface), c);
 910
 911         return v;
 912 }
 913
 914 void
 915 showview(WebKitWebView *v, Client *c)
 916 {
 917         GdkGeometry hints = { 1, 1 };
 918         GdkRGBA bgcolor = { 0 };
 919         GdkWindow *gwin;
 920
 921         /* Window */
 922         if (embed) {
 923                 c->win = gtk_plug_new(embed);
 924         } else {
 925                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 926
 927                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 928                  * is always correct, so we should still call this function.
 929                  * But when doing so, we *must* differentiate between a
 930                  * WM_CLASS and a resource on the window.  By convention, the
 931                  * window class (WM_CLASS) is capped, while the resource is in
 932                  * lowercase.   Both these values come as a pair.
 933                  */
 934                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 935
 936                 /* TA:  20091214:  And set the role here as well -- so that
 937                  * sessions can pick this up.
 938                  */
 939                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 940         }
 941         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 942         g_signal_connect(G_OBJECT(c->win),
 943                          "destroy",
 944                          G_CALLBACK(destroywin), c);
 945         g_signal_connect(G_OBJECT(c->win),
 946                          "leave_notify_event",
 947                          G_CALLBACK(titlechangeleave), c);
 948
 949         if (!kioskmode)
 950                 addaccelgroup(c);
 951
 952         /* Arranging */
 953         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
 954
 955         /* Setup */
 956         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 957         gtk_widget_show(GTK_WIDGET(c->view));
 958         gtk_widget_show(c->win);
 959         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
 960         c->xid = gdk_x11_window_get_xid(gwin);
 961         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 962                                       GDK_HINT_MIN_SIZE);
 963         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
 964         gdk_window_add_filter(gwin, processx, c);
 965
 966         runscript(frame);
 967
 968         /* This might conflict with _zoomto96dpi_. */
 969         if (zoomlevel != 1.0)
 970                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
 971
 972         if (runinfullscreen)
 973                 fullscreen(c, NULL);
 974
 975         setatom(c, AtomFind, "");
 976         setatom(c, AtomUri, "about:blank");
 977         if (hidebackground)
 978                 webkit_web_view_set_background_color(c->view, &bgcolor);
 979
 980         if (showxid) {
 981                 gdk_display_sync(gtk_widget_get_display(c->win));
 982                 printf("%lu\n", c->xid);
 983                 fflush(NULL);
 984                 if (fclose(stdout) != 0) {
 985                         die("Error closing stdout");
 986                 }
 987         }
 988 }
 989
 990 void
 991 newwindow(Client *c, const Arg *arg, gboolean noembed)
 992 {
 993         guint i = 0;
 994         const char *cmd[18], *uri;
 995         const Arg a = { .v = (void *)cmd };
 996         char tmp[64];
 997
 998         cmd[i++] = argv0;
 999         cmd[i++] = "-a";
1000         cmd[i++] = cookiepolicies;
1001         if (!enablescrollbars)
1002                 cmd[i++] = "-b";
1003         if (embed && !noembed) {
1004                 cmd[i++] = "-e";
1005                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1006                 cmd[i++] = tmp;
1007         }
1008         if (!allowgeolocation)
1009                 cmd[i++] = "-g";
1010         if (!loadimages)
1011                 cmd[i++] = "-i";
1012         if (kioskmode)
1013                 cmd[i++] = "-k";
1014         if (!enableplugins)
1015                 cmd[i++] = "-p";
1016         if (!enablescripts)
1017                 cmd[i++] = "-s";
1018         if (showxid)
1019                 cmd[i++] = "-x";
1020         if (enablediskcache)
1021                 cmd[i++] = "-D";
1022         cmd[i++] = "-c";
1023         cmd[i++] = cookiefile;
1024         cmd[i++] = "--";
1025         uri = arg->v ? (char *)arg->v : c->linkhover;
1026         if (uri)
1027                 cmd[i++] = uri;
1028         cmd[i++] = NULL;
1029         spawn(NULL, &a);
1030 }
1031
1032 gboolean
1033 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1034             gboolean keyboard, Client *c)
1035 {
1036         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1037
1038         for (GList *l = items; l; l = l->next)
1039                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1040
1041         g_list_free(items);
1042         return FALSE;
1043 }
1044
1045 void
1046 menuactivate(GtkMenuItem *item, Client *c)
1047 {
1048         /*
1049          * context-menu-action-2000 open link
1050          * context-menu-action-1    open link in window
1051          * context-menu-action-2    download linked file
1052          * context-menu-action-3    copy link location
1053          * context-menu-action-7    copy image address
1054          * context-menu-action-13   reload
1055          * context-menu-action-10   back
1056          * context-menu-action-11   forward
1057          * context-menu-action-12   stop
1058          */
1059
1060         const gchar *name, *uri;
1061         GtkClipboard *prisel, *clpbrd;
1062
1063         name = gtk_actionable_get_action_name(GTK_ACTIONABLE(item));
1064         if (name == NULL)
1065                 return;
1066
1067         if (!g_strcmp0(name, "context-menu-action-3")) {
1068                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1069                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1070         } else if (!g_strcmp0(name, "context-menu-action-7")) {
1071                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1072                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1073                 uri = gtk_clipboard_wait_for_text(clpbrd);
1074                 if (uri)
1075                         gtk_clipboard_set_text(prisel, uri, -1);
1076         }
1077 }
1078
1079 void
1080 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1081 {
1082         Arg arg = {.v = text };
1083         if (text != NULL)
1084                 loaduri((Client *) d, &arg);
1085 }
1086
1087 void
1088 print(Client *c, const Arg *arg)
1089 {
1090         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1091 }
1092
1093 GdkFilterReturn
1094 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1095 {
1096         Client *c = (Client *)d;
1097         XPropertyEvent *ev;
1098         Arg arg;
1099
1100         if (((XEvent *)e)->type == PropertyNotify) {
1101                 ev = &((XEvent *)e)->xproperty;
1102                 if (ev->state == PropertyNewValue) {
1103                         if (ev->atom == atoms[AtomFind]) {
1104                                 arg.b = TRUE;
1105                                 find(c, &arg);
1106
1107                                 return GDK_FILTER_REMOVE;
1108                         } else if (ev->atom == atoms[AtomGo]) {
1109                                 arg.v = getatom(c, AtomGo);
1110                                 loaduri(c, &arg);
1111
1112                                 return GDK_FILTER_REMOVE;
1113                         }
1114                 }
1115         }
1116         return GDK_FILTER_CONTINUE;
1117 }
1118
1119 void
1120 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
1121 {
1122         c->progress = webkit_web_view_get_progress(c->view) * 100;
1123         updatetitle(c);
1124 }
1125
1126 void
1127 linkopen(Client *c, const Arg *arg)
1128 {
1129         newwindow(NULL, arg, 1);
1130 }
1131
1132 void
1133 linkopenembed(Client *c, const Arg *arg)
1134 {
1135         newwindow(NULL, arg, 0);
1136 }
1137
1138 void
1139 reload(Client *c, const Arg *arg)
1140 {
1141         gboolean nocache = *(gboolean *)arg;
1142         if (nocache)
1143                 webkit_web_view_reload_bypass_cache(c->view);
1144         else
1145                 webkit_web_view_reload(c->view);
1146 }
1147
1148 void
1149 scroll_h(Client *c, const Arg *arg)
1150 {
1151         scroll(gtk_scrolled_window_get_hadjustment(
1152                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1153 }
1154
1155 void
1156 scroll_v(Client *c, const Arg *arg)
1157 {
1158         scroll(gtk_scrolled_window_get_vadjustment(
1159                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1160 }
1161
1162 void
1163 scroll(GtkAdjustment *a, const Arg *arg)
1164 {
1165         gdouble v;
1166
1167         v = gtk_adjustment_get_value(a);
1168         switch (arg->i) {
1169         case +10000:
1170         case -10000:
1171                 v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
1172                 break;
1173         case +20000:
1174         case -20000:
1175         default:
1176                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1177         }
1178
1179         v = MAX(v, 0.0);
1180         v = MIN(v, gtk_adjustment_get_upper(a) -
1181                 gtk_adjustment_get_page_size(a));
1182         gtk_adjustment_set_value(a, v);
1183 }
1184
1185 void
1186 setatom(Client *c, int a, const char *v)
1187 {
1188         XSync(dpy, False);
1189         XChangeProperty(dpy, c->xid,
1190                         atoms[a], XA_STRING, 8, PropModeReplace,
1191                         (unsigned char *)v, strlen(v) + 1);
1192 }
1193
1194 void
1195 setup(void)
1196 {
1197         int i;
1198         char *styledirfile, *stylepath;
1199         WebKitWebContext *context;
1200         GError *error = NULL;
1201
1202         /* clean up any zombies immediately */
1203         sigchld(0);
1204         gtk_init(NULL, NULL);
1205
1206         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1207
1208         /* atoms */
1209         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1210         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1211         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1212
1213         /* dirs and files */
1214         cookiefile = buildfile(cookiefile);
1215         scriptfile = buildfile(scriptfile);
1216         cachedir   = buildpath(cachedir);
1217         if (stylefile == NULL) {
1218                 styledir = buildpath(styledir);
1219                 for (i = 0; i < LENGTH(styles); i++) {
1220                         if (regcomp(&(styles[i].re), styles[i].regex,
1221                             REG_EXTENDED)) {
1222                                 fprintf(stderr,
1223                                         "Could not compile regex: %s\n",
1224                                         styles[i].regex);
1225                                 styles[i].regex = NULL;
1226                         }
1227                         styledirfile    = g_strconcat(styledir, "/",
1228                                                       styles[i].style, NULL);
1229                         stylepath       = buildfile(styledirfile);
1230                         styles[i].style = g_strconcat("file://", stylepath,
1231                                                       NULL);
1232                         g_free(styledirfile);
1233                         g_free(stylepath);
1234                 }
1235                 g_free(styledir);
1236         } else {
1237                 stylepath = buildfile(stylefile);
1238                 stylefile = g_strconcat("file://", stylepath, NULL);
1239                 g_free(stylepath);
1240         }
1241 }
1242
1243 void
1244 sigchld(int unused)
1245 {
1246         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1247                 die("Can't install SIGCHLD handler");
1248         while (0 < waitpid(-1, NULL, WNOHANG));
1249 }
1250
1251 void
1252 spawn(Client *c, const Arg *arg)
1253 {
1254         if (fork() == 0) {
1255                 if (dpy)
1256                         close(ConnectionNumber(dpy));
1257                 setsid();
1258                 execvp(((char **)arg->v)[0], (char **)arg->v);
1259                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1260                 perror(" failed");
1261                 exit(0);
1262         }
1263 }
1264
1265 void
1266 eval(Client *c, const Arg *arg)
1267 {
1268         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1269         evalscript(webkit_web_frame_get_global_context(frame),
1270                    ((char **)arg->v)[0], "");
1271 }
1272
1273 void
1274 stop(Client *c, const Arg *arg)
1275 {
1276         webkit_web_view_stop_loading(c->view);
1277 }
1278
1279 void
1280 titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c)
1281 {
1282         const gchar *t = webkit_web_view_get_title(view);
1283         if (t) {
1284                 c->title = copystr(&c->title, t);
1285                 updatetitle(c);
1286         }
1287 }
1288
1289 void
1290 titlechangeleave(void *a, void *b, Client *c)
1291 {
1292         c->linkhover = NULL;
1293         updatetitle(c);
1294 }
1295
1296 void
1297 toggle(Client *c, const Arg *arg)
1298 {
1299         WebKitWebSettings *settings;
1300         char *name = (char *)arg->v;
1301         gboolean value;
1302         Arg a = { .b = FALSE };
1303
1304         settings = webkit_web_view_get_settings(c->view);
1305         g_object_get(G_OBJECT(settings), name, &value, NULL);
1306         g_object_set(G_OBJECT(settings), name, !value, NULL);
1307
1308         reload(c, &a);
1309 }
1310
1311 void
1312 togglecookiepolicy(Client *c, const Arg *arg)
1313 {
1314         ++cookiepolicy;
1315         cookiepolicy %= strlen(cookiepolicies);
1316
1317         webkit_cookie_manager_set_accept_policy(
1318             webkit_web_context_get_cookie_manager(
1319             webkit_web_view_get_context(c->view)),
1320             cookiepolicy_get());
1321
1322         updatetitle(c);
1323         /* Do not reload. */
1324 }
1325
1326 void
1327 togglegeolocation(Client *c, const Arg *arg)
1328 {
1329         Arg a = { .b = FALSE };
1330
1331         allowgeolocation ^= 1;
1332         reload(c, &a);
1333 }
1334
1335 void
1336 twitch(Client *c, const Arg *arg)
1337 {
1338         GtkAdjustment *a;
1339         gdouble v;
1340
1341         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
1342                                                 c->scroll));
1343
1344         v = gtk_adjustment_get_value(a);
1345
1346         v += arg->i;
1347
1348         v = MAX(v, 0.0);
1349         v = MIN(v, gtk_adjustment_get_upper(a) -
1350                 gtk_adjustment_get_page_size(a));
1351         gtk_adjustment_set_value(a, v);
1352 }
1353
1354 void
1355 togglescrollbars(Client *c, const Arg *arg)
1356 {
1357         GtkPolicyType vspolicy;
1358         Arg a;
1359
1360         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
1361                                        &vspolicy);
1362
1363         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1364                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1365                                                GTK_POLICY_NEVER,
1366                                                GTK_POLICY_NEVER);
1367         } else {
1368                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1369                                                GTK_POLICY_AUTOMATIC,
1370                                                GTK_POLICY_AUTOMATIC);
1371                 a.i = +1;
1372                 twitch(c, &a);
1373                 a.i = -1;
1374                 twitch(c, &a);
1375         }
1376 }
1377
1378 void
1379 togglestyle(Client *c, const Arg *arg)
1380 {
1381         enablestyle = !enablestyle;
1382         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1383
1384         updatetitle(c);
1385 }
1386
1387 void
1388 gettogglestat(Client *c)
1389 {
1390         gboolean value;
1391         int p = 0;
1392         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1393
1394         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1395
1396         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1397                      NULL);
1398         togglestat[p++] = value? 'C': 'c';
1399
1400         togglestat[p++] = allowgeolocation? 'G': 'g';
1401
1402         togglestat[p++] = enablediskcache? 'D': 'd';
1403
1404         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1405         togglestat[p++] = value? 'I': 'i';
1406
1407         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1408         togglestat[p++] = value? 'S': 's';
1409
1410         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1411         togglestat[p++] = value? 'V': 'v';
1412
1413         togglestat[p++] = enablestyle ? 'M': 'm';
1414
1415         togglestat[p] = '\0';
1416 }
1417
1418 void
1419 getpagestat(Client *c)
1420 {
1421         const char *uri = geturi(c);
1422
1423         if (strstr(uri, "https://") == uri)
1424                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1425         else
1426                 pagestat[0] = '-';
1427
1428         pagestat[1] = '\0';
1429 }
1430
1431 void
1432 updatetitle(Client *c)
1433 {
1434         char *t;
1435
1436         if (showindicators) {
1437                 gettogglestat(c);
1438                 getpagestat(c);
1439
1440                 if (c->linkhover) {
1441                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1442                                             c->linkhover);
1443                 } else if (c->progress != 100) {
1444                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1445                                             togglestat, pagestat,
1446                                             c->title == NULL ? "" : c->title);
1447                 } else {
1448                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1449                                             c->title == NULL ? "" : c->title);
1450                 }
1451
1452                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1453                 g_free(t);
1454         } else {
1455                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1456                                      "" : c->title);
1457         }
1458 }
1459
1460 void
1461 updatewinid(Client *c)
1462 {
1463         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1464 }
1465
1466 void
1467 usage(void)
1468 {
1469         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1470             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1471             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1472 }
1473
1474 void
1475 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1476                     JSObjectRef win, Client *c)
1477 {
1478         runscript(frame);
1479 }
1480
1481 void
1482 zoom(Client *c, const Arg *arg)
1483 {
1484         c->zoomed = TRUE;
1485         if (arg->i < 0) {
1486                 /* zoom out */
1487                 webkit_web_view_zoom_out(c->view);
1488         } else if (arg->i > 0) {
1489                 /* zoom in */
1490                 webkit_web_view_zoom_in(c->view);
1491         } else {
1492                 /* reset */
1493                 c->zoomed = FALSE;
1494                 webkit_web_view_set_zoom_level(c->view, 1.0);
1495         }
1496 }
1497
1498 int
1499 main(int argc, char *argv[])
1500 {
1501         Arg arg;
1502         Client *c;
1503
1504         memset(&arg, 0, sizeof(arg));
1505
1506         /* command line args */
1507         ARGBEGIN {
1508         case 'a':
1509                 cookiepolicies = EARGF(usage());
1510                 break;
1511         case 'b':
1512                 enablescrollbars = 0;
1513                 break;
1514         case 'B':
1515                 enablescrollbars = 1;
1516                 break;
1517         case 'c':
1518                 cookiefile = EARGF(usage());
1519                 break;
1520         case 'd':
1521                 enablediskcache = 0;
1522                 break;
1523         case 'D':
1524                 enablediskcache = 1;
1525                 break;
1526         case 'e':
1527                 embed = strtol(EARGF(usage()), NULL, 0);
1528                 break;
1529         case 'f':
1530                 runinfullscreen = 0;
1531                 break;
1532         case 'F':
1533                 runinfullscreen = 1;
1534                 break;
1535         case 'g':
1536                 allowgeolocation = 0;
1537                 break;
1538         case 'G':
1539                 allowgeolocation = 1;
1540                 break;
1541         case 'i':
1542                 loadimages = 0;
1543                 break;
1544         case 'I':
1545                 loadimages = 1;
1546                 break;
1547         case 'k':
1548                 kioskmode = 0;
1549                 break;
1550         case 'K':
1551                 kioskmode = 1;
1552                 break;
1553         case 'm':
1554                 enablestyle = 0;
1555                 break;
1556         case 'M':
1557                 enablestyle = 1;
1558                 break;
1559         case 'n':
1560                 enableinspector = 0;
1561                 break;
1562         case 'N':
1563                 enableinspector = 1;
1564                 break;
1565         case 'p':
1566                 enableplugins = 0;
1567                 break;
1568         case 'P':
1569                 enableplugins = 1;
1570                 break;
1571         case 'r':
1572                 scriptfile = EARGF(usage());
1573                 break;
1574         case 's':
1575                 enablescripts = 0;
1576                 break;
1577         case 'S':
1578                 enablescripts = 1;
1579                 break;
1580         case 't':
1581                 stylefile = EARGF(usage());
1582                 break;
1583         case 'u':
1584                 useragent = EARGF(usage());
1585                 break;
1586         case 'v':
1587                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1588                     "see LICENSE for details\n");
1589         case 'x':
1590                 showxid = TRUE;
1591                 break;
1592         case 'z':
1593                 zoomlevel = strtof(EARGF(usage()), NULL);
1594                 break;
1595         default:
1596                 usage();
1597         } ARGEND;
1598         if (argc > 0)
1599                 arg.v = argv[0];
1600
1601         setup();
1602         c = newclient(NULL);
1603         showview(NULL, c);
1604         if (arg.v)
1605                 loaduri(clients, &arg);
1606         else
1607                 updatetitle(c);
1608
1609         gtk_main();
1610         cleanup();
1611
1612         return EXIT_SUCCESS;
1613 }
1614