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