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         WebKitHitTestResult *mousepos;
  63         const char *title, *targeturi;
  64         const char *needle;
  65         gint progress;
  66         struct Client *next;
  67         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  68 } Client;
  69
  70 typedef struct {
  71         guint mod;
  72         guint keyval;
  73         void (*func)(Client *c, const Arg *arg);
  74         const Arg arg;
  75 } Key;
  76
  77 typedef struct {
  78         unsigned int click;
  79         unsigned int mask;
  80         guint button;
  81         void (*func)(Client *c, const Arg *arg);
  82         const Arg arg;
  83 } Button;
  84
  85 typedef struct {
  86         char *regex;
  87         char *style;
  88         regex_t re;
  89 } SiteStyle;
  90
  91 static Display *dpy;
  92 static Atom atoms[AtomLast];
  93 static Client *clients = NULL;
  94 static Window embed = 0;
  95 static gboolean showxid = FALSE;
  96 static char winid[64];
  97 static char togglestat[9];
  98 static char pagestat[3];
  99 static GTlsDatabase *tlsdb;
 100 static int cookiepolicy;
 101 static char *stylefile = NULL;
 102
 103 static void addaccelgroup(Client *c);
 104 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 105                           WebKitWebResource *r, WebKitNetworkRequest *req,
 106                           WebKitNetworkResponse *resp, Client *c);
 107 static char *buildfile(const char *path);
 108 static char *buildpath(const char *path);
 109 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c);
 110 static void cleanup(void);
 111 static void clipboard(Client *c, const Arg *arg);
 112
 113 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 114 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 115
 116 static char *copystr(char **str, const char *src);
 117 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 118                                    Client *c);
 119 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 120                                WebKitNetworkRequest *r, gchar *m,
 121                                WebKitWebPolicyDecision *p, Client *c);
 122 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 123                              WebKitNetworkRequest *r, WebKitWebNavigationAction
 124                              *n, WebKitWebPolicyDecision *p, Client *c);
 125 static gboolean deletion_interface(WebKitWebView *view,
 126                                    WebKitDOMHTMLElement *arg1, Client *c);
 127 static void destroyclient(Client *c);
 128 static void destroywin(GtkWidget* w, Client *c);
 129 static void die(const char *errstr, ...);
 130 static void eval(Client *c, const Arg *arg);
 131 static void find(Client *c, const Arg *arg);
 132 static void fullscreen(Client *c, const Arg *arg);
 133 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 134                                WebKitGeolocationPolicyDecision *d, Client *c);
 135 static const char *getatom(Client *c, int a);
 136 static void gettogglestat(Client *c);
 137 static void getpagestat(Client *c);
 138 static char *geturi(Client *c);
 139 static const gchar *getstyle(const char *uri);
 140 static void setstyle(Client *c, const char *style);
 141
 142 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 143
 144 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 145
 146 static void inspector(Client *c, const Arg *arg);
 147 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 148                                     Client *c);
 149 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 150 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 151 static void inspector_finished(WebKitWebInspector *i, Client *c);
 152
 153 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 154                          GdkModifierType mods, Client *c);
 155 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 156                 guint modifiers, Client *c);
 157 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 158                              Client *c);
 159 static void loaduri(Client *c, const Arg *arg);
 160 static void navigate(Client *c, const Arg *arg);
 161 static Client *newclient(Client *c);
 162 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 163 static void showview(WebKitWebView *v, Client *c);
 164 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 165 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 166 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 167                             WebKitHitTestResult *target, gboolean keyboard,
 168                             Client *c);
 169 static void menuactivate(GtkMenuItem *item, Client *c);
 170 static void print(Client *c, const Arg *arg);
 171 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 172                                 gpointer d);
 173 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 174 static void linkopen(Client *c, const Arg *arg);
 175 static void linkopenembed(Client *c, const Arg *arg);
 176 static void reload(Client *c, const Arg *arg);
 177 static void scroll_h(Client *c, const Arg *arg);
 178 static void scroll_v(Client *c, const Arg *arg);
 179 static void scroll(GtkAdjustment *a, const Arg *arg);
 180 static void setatom(Client *c, int a, const char *v);
 181 static void setup(void);
 182 static void sigchld(int unused);
 183 static void spawn(Client *c, const Arg *arg);
 184 static void stop(Client *c, const Arg *arg);
 185 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 186 static void titlechangeleave(void *a, void *b, Client *c);
 187 static void toggle(Client *c, const Arg *arg);
 188 static void togglecookiepolicy(Client *c, const Arg *arg);
 189 static void togglegeolocation(Client *c, const Arg *arg);
 190 static void togglescrollbars(Client *c, const Arg *arg);
 191 static void togglestyle(Client *c, const Arg *arg);
 192 static void updatetitle(Client *c);
 193 static void updatewinid(Client *c);
 194 static void usage(void);
 195 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 196                                 JSContextRef js, JSObjectRef win, Client *c);
 197 static void zoom(Client *c, const Arg *arg);
 198
 199 /* configuration, allows nested code to access above variables */
 200 #include "config.h"
 201
 202 void
 203 addaccelgroup(Client *c)
 204 {
 205         int i;
 206         GtkAccelGroup *group = gtk_accel_group_new();
 207         GClosure *closure;
 208
 209         for (i = 0; i < LENGTH(keys); i++) {
 210                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 211                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
 212                                         closure);
 213         }
 214         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 215 }
 216
 217 void
 218 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 219               WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 220               Client *c)
 221 {
 222         const gchar *uri = webkit_network_request_get_uri(req);
 223         int i, isascii = 1;
 224
 225         if (g_str_has_suffix(uri, "/favicon.ico"))
 226                 webkit_network_request_set_uri(req, "about:blank");
 227
 228         if (!g_str_has_prefix(uri, "http://")
 229             && !g_str_has_prefix(uri, "https://")
 230             && !g_str_has_prefix(uri, "about:")
 231             && !g_str_has_prefix(uri, "file://")
 232             && !g_str_has_prefix(uri, "data:")
 233             && !g_str_has_prefix(uri, "blob:")
 234             && strlen(uri) > 0) {
 235                 for (i = 0; i < strlen(uri); i++) {
 236                         if (!g_ascii_isprint(uri[i])) {
 237                                 isascii = 0;
 238                                 break;
 239                         }
 240                 }
 241                 if (isascii)
 242                         handleplumb(c, w, uri);
 243         }
 244 }
 245
 246 char *
 247 buildfile(const char *path)
 248 {
 249         char *dname, *bname, *bpath, *fpath;
 250         FILE *f;
 251
 252         dname = g_path_get_dirname(path);
 253         bname = g_path_get_basename(path);
 254
 255         bpath = buildpath(dname);
 256         g_free(dname);
 257
 258         fpath = g_build_filename(bpath, bname, NULL);
 259         g_free(bpath);
 260         g_free(bname);
 261
 262         if (!(f = fopen(fpath, "a")))
 263                 die("Could not open file: %s\n", fpath);
 264
 265         g_chmod(fpath, 0600); /* always */
 266         fclose(f);
 267
 268         return fpath;
 269 }
 270
 271 char *
 272 buildpath(const char *path)
 273 {
 274         struct passwd *pw;
 275         char *apath, *name, *p, *fpath;
 276
 277         if (path[0] == '~') {
 278                 if (path[1] == '/' || path[1] == '\0') {
 279                         p = (char *)&path[1];
 280                         pw = getpwuid(getuid());
 281                 } else {
 282                         if ((p = strchr(path, '/')))
 283                                 name = g_strndup(&path[1], --p - path);
 284                         else
 285                                 name = g_strdup(&path[1]);
 286
 287                         if (!(pw = getpwnam(name))) {
 288                                 die("Can't get user %s home directory: %s.\n",
 289                                     name, path);
 290                         }
 291                         g_free(name);
 292                 }
 293                 apath = g_build_filename(pw->pw_dir, p, NULL);
 294         } else {
 295                 apath = g_strdup(path);
 296         }
 297
 298         /* creating directory */
 299         if (g_mkdir_with_parents(apath, 0700) < 0)
 300                 die("Could not access directory: %s\n", apath);
 301
 302         fpath = realpath(apath, NULL);
 303         g_free(apath);
 304
 305         return fpath;
 306 }
 307
 308 gboolean
 309 buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c)
 310 {
 311         WebKitHitTestResultContext context;
 312         WebKitHitTestResult *result;
 313         Arg arg;
 314         unsigned int i;
 315
 316         result = webkit_web_view_get_hit_test_result(web, e);
 317         g_object_get(result, "context", &context, NULL);
 318         g_object_get(result, "link-uri", &arg.v, NULL);
 319         for (i = 0; i < LENGTH(buttons); i++) {
 320                 if (context & buttons[i].click
 321                     && e->button == buttons[i].button
 322                     && CLEANMASK(e->state) == CLEANMASK(buttons[i].mask)
 323                     && buttons[i].func) {
 324                         buttons[i].func(c, buttons[i].click == ClkLink
 325                             && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 326                         return true;
 327                 }
 328         }
 329         return false;
 330 }
 331
 332 void
 333 cleanup(void)
 334 {
 335         while (clients)
 336                 destroyclient(clients);
 337         g_free(cookiefile);
 338         g_free(scriptfile);
 339         g_free(stylefile);
 340         g_free(cachedir);
 341 }
 342
 343 WebKitCookieAcceptPolicy
 344 cookiepolicy_get(void)
 345 {
 346         switch (cookiepolicies[cookiepolicy]) {
 347         case 'a':
 348                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 349         case '@':
 350                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 351         case 'A':
 352         default:
 353                 break;
 354         }
 355
 356         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 357 }
 358
 359 char
 360 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
 361 {
 362         switch (ep) {
 363         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 364                 return 'a';
 365         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 366                 return '@';
 367         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 368         default:
 369                 break;
 370         }
 371
 372         return 'A';
 373 }
 374
 375 void
 376 evalscript(JSContextRef js, char *script, char* scriptname)
 377 {
 378         JSStringRef jsscript, jsscriptname;
 379         JSValueRef exception = NULL;
 380
 381         jsscript = JSStringCreateWithUTF8CString(script);
 382         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 383         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 384                          jsscriptname, 0, &exception);
 385         JSStringRelease(jsscript);
 386         JSStringRelease(jsscriptname);
 387 }
 388
 389 void
 390 runscript(WebKitWebFrame *frame)
 391 {
 392         char *script;
 393         GError *error;
 394
 395         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 396                 evalscript(webkit_web_frame_get_global_context(frame), script,
 397                            scriptfile);
 398         }
 399 }
 400
 401 void
 402 clipboard(Client *c, const Arg *arg)
 403 {
 404         gboolean paste = *(gboolean *)arg;
 405
 406         if (paste) {
 407                 gtk_clipboard_request_text(gtk_clipboard_get(
 408                                            GDK_SELECTION_PRIMARY),
 409                                            pasteuri, c);
 410         } else {
 411                 gtk_clipboard_set_text(gtk_clipboard_get(
 412                                        GDK_SELECTION_PRIMARY), c->linkhover
 413                                        ? c->linkhover : geturi(c), -1);
 414         }
 415 }
 416
 417 char *
 418 copystr(char **str, const char *src)
 419 {
 420         char *tmp;
 421         tmp = g_strdup(src);
 422
 423         if (str && *str) {
 424                 g_free(*str);
 425                 *str = tmp;
 426         }
 427         return tmp;
 428 }
 429
 430 WebKitWebView *
 431 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c)
 432 {
 433         Client *n = newclient();
 434         return n->view;
 435 }
 436
 437 gboolean
 438 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 439                gchar *m,  WebKitWebPolicyDecision *p, Client *c)
 440 {
 441         if (!webkit_web_view_can_show_mime_type(v, m)) {
 442                 webkit_web_policy_decision_download(p);
 443                 return TRUE;
 444         }
 445         return FALSE;
 446 }
 447
 448 gboolean
 449 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 450              WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 451              Client *c)
 452 {
 453         Arg arg;
 454
 455         if (webkit_web_navigation_action_get_reason(n)
 456             == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 457                 webkit_web_policy_decision_ignore(p);
 458                 arg.v = (void *)webkit_network_request_get_uri(r);
 459                 newwindow(NULL, &arg, 0);
 460                 return TRUE;
 461         }
 462         return FALSE;
 463 }
 464
 465 gboolean
 466 deletion_interface(WebKitWebView *view, WebKitDOMHTMLElement *arg1, Client *c)
 467 {
 468         return FALSE;
 469 }
 470
 471 void
 472 destroyclient(Client *c)
 473 {
 474         Client *p;
 475
 476         webkit_web_view_stop_loading(c->view);
 477         gtk_widget_destroy(GTK_WIDGET(c->view));
 478         gtk_widget_destroy(c->scroll);
 479         gtk_widget_destroy(c->vbox);
 480         gtk_widget_destroy(c->win);
 481
 482         for (p = clients; p && p->next != c; p = p->next)
 483                 ;
 484         if (p)
 485                 p->next = c->next;
 486         else
 487                 clients = c->next;
 488         free(c);
 489         if (clients == NULL)
 490                 gtk_main_quit();
 491 }
 492
 493 void
 494 destroywin(GtkWidget* w, Client *c)
 495 {
 496         destroyclient(c);
 497 }
 498
 499 void
 500 die(const char *errstr, ...)
 501 {
 502         va_list ap;
 503
 504         va_start(ap, errstr);
 505         vfprintf(stderr, errstr, ap);
 506         va_end(ap);
 507         exit(EXIT_FAILURE);
 508 }
 509
 510 void
 511 find(Client *c, const Arg *arg)
 512 {
 513         const char *s;
 514
 515         s = getatom(c, AtomFind);
 516         gboolean forward = *(gboolean *)arg;
 517         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 518 }
 519
 520 void
 521 fullscreen(Client *c, const Arg *arg)
 522 {
 523         if (c->fullscreen)
 524                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 525         else
 526                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 527         c->fullscreen = !c->fullscreen;
 528 }
 529
 530 void
 531 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 532                    WebKitGeolocationPolicyDecision *d, Client *c)
 533 {
 534         if (allowgeolocation)
 535                 webkit_geolocation_policy_allow(d);
 536         else
 537                 webkit_geolocation_policy_deny(d);
 538 }
 539
 540 const char *
 541 getatom(Client *c, int a)
 542 {
 543         static char buf[BUFSIZ];
 544         Atom adummy;
 545         int idummy;
 546         unsigned long ldummy;
 547         unsigned char *p = NULL;
 548
 549         XGetWindowProperty(dpy, c->xid,
 550                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 551                            &adummy, &idummy, &ldummy, &ldummy, &p);
 552         if (p)
 553                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 554         else
 555                 buf[0] = '\0';
 556         XFree(p);
 557
 558         return buf;
 559 }
 560
 561 char *
 562 geturi(Client *c)
 563 {
 564         char *uri;
 565
 566         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 567                 uri = "about:blank";
 568         return uri;
 569 }
 570
 571 const gchar *
 572 getstyle(const char *uri)
 573 {
 574         int i;
 575
 576         if (stylefile != NULL)
 577                 return stylefile;
 578
 579         for (i = 0; i < LENGTH(styles); i++) {
 580                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 581                     NULL, 0))
 582                         return styles[i].style;
 583         }
 584
 585         return "";
 586 }
 587
 588 void
 589 setstyle(Client *c, const char *style)
 590 {
 591         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 592
 593         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
 594 }
 595
 596 void
 597 handleplumb(Client *c, WebKitWebView *w, const gchar *uri)
 598 {
 599         Arg arg;
 600
 601         webkit_web_view_stop_loading(w);
 602         arg = (Arg)PLUMB((char *)uri);
 603         spawn(c, &arg);
 604 }
 605
 606 gboolean
 607 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c)
 608 {
 609         Arg arg;
 610
 611         updatewinid(c);
 612         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 613         spawn(c, &arg);
 614         return FALSE;
 615 }
 616
 617 void
 618 inspector(Client *c, const Arg *arg)
 619 {
 620         if (enableinspector) {
 621                 if (c->isinspecting)
 622                         webkit_web_inspector_close(c->inspector);
 623                 else
 624                         webkit_web_inspector_show(c->inspector);
 625         }
 626 }
 627
 628 WebKitWebView *
 629 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
 630 {
 631         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 632 }
 633
 634 gboolean
 635 inspector_show(WebKitWebInspector *i, Client *c)
 636 {
 637         WebKitWebView *w;
 638
 639         if (c->isinspecting)
 640                 return false;
 641
 642         w = webkit_web_inspector_get_web_view(i);
 643         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 644         gtk_widget_show(GTK_WIDGET(w));
 645         c->isinspecting = true;
 646
 647         return true;
 648 }
 649
 650 gboolean
 651 inspector_close(WebKitWebInspector *i, Client *c)
 652 {
 653         GtkWidget *w;
 654
 655         if (!c->isinspecting)
 656                 return false;
 657
 658         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 659         gtk_widget_hide(w);
 660         gtk_widget_destroy(w);
 661         c->isinspecting = false;
 662
 663         return true;
 664 }
 665
 666 void
 667 inspector_finished(WebKitWebInspector *i, Client *c)
 668 {
 669         g_free(c->inspector);
 670 }
 671
 672 gboolean
 673 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 674          Client *c)
 675 {
 676         guint i;
 677         gboolean processed = FALSE;
 678
 679         mods = CLEANMASK(mods);
 680         key = gdk_keyval_to_lower(key);
 681         updatewinid(c);
 682         for (i = 0; i < LENGTH(keys); i++) {
 683                 if (key == keys[i].keyval
 684                     && mods == keys[i].mod
 685                     && keys[i].func) {
 686                         keys[i].func(c, &(keys[i].arg));
 687                         processed = TRUE;
 688                 }
 689         }
 690
 691         return processed;
 692 }
 693
 694 void
 695 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
 696     Client *c)
 697 {
 698         WebKitHitTestResultContext hc;
 699
 700         /* Keep the hit test to know where is the pointer on the next click */
 701         c->mousepos = h;
 702
 703         hc = webkit_hit_test_result_get_context(h);
 704
 705         if (hc & OnLink)
 706                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
 707         else if (hc & OnImg)
 708                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
 709         else if (hc & OnMedia)
 710                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
 711         else
 712                 c->targeturi = NULL;
 713         updatetitle(c);
 714 }
 715
 716 void
 717 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
 718 {
 719         WebKitWebFrame *frame;
 720         WebKitWebDataSource *src;
 721         WebKitNetworkRequest *request;
 722         SoupMessage *msg;
 723         char *uri;
 724
 725         switch (webkit_web_view_get_load_status (c->view)) {
 726         case WEBKIT_LOAD_COMMITTED:
 727                 uri = geturi(c);
 728                 if (strstr(uri, "https://") == uri) {
 729                         frame = webkit_web_view_get_main_frame(c->view);
 730                         src = webkit_web_frame_get_data_source(frame);
 731                         request = webkit_web_data_source_get_request(src);
 732                         msg = webkit_network_request_get_message(request);
 733                         c->sslfailed = !(soup_message_get_flags(msg)
 734                                        & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 735                 }
 736                 setatom(c, AtomUri, uri);
 737
 738                 if (enablestyle)
 739                         setstyle(c, getstyle(uri));
 740                 break;
 741         case WEBKIT_LOAD_FINISHED:
 742                 c->progress = 100;
 743                 updatetitle(c);
 744                 break;
 745         default:
 746                 break;
 747         }
 748 }
 749
 750 void
 751 loaduri(Client *c, const Arg *arg)
 752 {
 753         char *u = NULL, *rp;
 754         const char *uri = (char *)arg->v;
 755         Arg a = { .b = FALSE };
 756         struct stat st;
 757
 758         if (strcmp(uri, "") == 0)
 759                 return;
 760
 761         /* In case it's a file path. */
 762         if (stat(uri, &st) == 0) {
 763                 rp = realpath(uri, NULL);
 764                 u = g_strdup_printf("file://%s", rp);
 765                 free(rp);
 766         } else {
 767                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 768                     : g_strdup_printf("http://%s", uri);
 769         }
 770
 771         setatom(c, AtomUri, uri);
 772
 773         /* prevents endless loop */
 774         if (strcmp(u, geturi(c)) == 0) {
 775                 reload(c, &a);
 776         } else {
 777                 webkit_web_view_load_uri(c->view, u);
 778                 c->progress = 0;
 779                 c->title = copystr(&c->title, u);
 780                 updatetitle(c);
 781         }
 782         g_free(u);
 783 }
 784
 785 void
 786 navigate(Client *c, const Arg *arg)
 787 {
 788         int steps = *(int *)arg;
 789         webkit_web_view_go_back_or_forward(c->view, steps);
 790 }
 791
 792 Client *
 793 newclient(Client *rc)
 794 {
 795         Client *c;
 796         gdouble dpi;
 797
 798         if (!(c = calloc(1, sizeof(Client))))
 799                 die("Cannot malloc!\n");
 800
 801         c->title = NULL;
 802         c->progress = 100;
 803
 804         c->next = clients;
 805         clients = c;
 806
 807         c->view = newview(c, rc ? rc->view : NULL);
 808
 809         return c;
 810 }
 811
 812 WebKitWebView *
 813 newview(Client *c, WebKitWebView *rv)
 814 {
 815         WebKitWebView *v;
 816         WebKitSettings *settings;
 817         WebKitUserContentManager *contentmanager;
 818         WebKitWebContext *context;
 819         char *ua;
 820
 821         /* Webview */
 822         if (rv) {
 823                 v = WEBKIT_WEB_VIEW(
 824                     webkit_web_view_new_with_related_view(rv));
 825         } else {
 826                 settings = webkit_settings_new_with_settings(
 827                     "auto-load-images", loadimages,
 828                     "default-font-size", defaultfontsize,
 829                     "enable-caret-browsing", enablecaretbrowsing,
 830                     "enable-developer-extras", enableinspector,
 831                     "enable-dns-prefetching", enablednsprefetching,
 832                     "enable-frame-flattening", enableframeflattening,
 833                     "enable-html5-database", enablecache,
 834                     "enable-html5-local-storage", enablecache,
 835                     "enable-javascript", enablescripts,
 836                     "enable-plugins", enableplugins,
 837                     NULL);
 838                 if (!(ua = getenv("SURF_USERAGENT")))
 839                         ua = useragent;
 840                 webkit_settings_set_user_agent(settings, ua);
 841                 /* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
 842                  * for more interesting settings */
 843
 844                 contentmanager = webkit_user_content_manager_new();
 845
 846                 context = webkit_web_context_new_with_website_data_manager(
 847                     webkit_website_data_manager_new(
 848                     "base-cache-directory", cachedir,
 849                     "base-data-directory", cachedir,
 850                     NULL));
 851
 852                 /* rendering process model, can be a shared unique one or one for each
 853                  * view */
 854                 webkit_web_context_set_process_model(context,
 855                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 856                 /* ssl */
 857                 webkit_web_context_set_tls_errors_policy(context, strictssl ?
 858                     WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 859                 /* disk cache */
 860                 webkit_web_context_set_cache_model(context, enablecache ?
 861                     WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 862
 863                 /* Currently only works with text file to be compatible with curl */
 864                 webkit_cookie_manager_set_persistent_storage(
 865                     webkit_web_context_get_cookie_manager(context), cookiefile,
 866                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 867                 /* cookie policy */
 868                 webkit_cookie_manager_set_accept_policy(
 869                     webkit_web_context_get_cookie_manager(context),
 870                     cookiepolicy_get());
 871
 872                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 873                     "settings", settings,
 874                     "user-content-manager", contentmanager,
 875                     "web-context", context,
 876                     NULL);
 877         }
 878
 879         g_signal_connect(G_OBJECT(v),
 880                          "notify::title",
 881                          G_CALLBACK(titlechanged), c);
 882         g_signal_connect(G_OBJECT(v),
 883                          "mouse-target-changed",
 884                          G_CALLBACK(mousetargetchanged), c);
 885         g_signal_connect(G_OBJECT(v),
 886                          "geolocation-policy-decision-requested",
 887                          G_CALLBACK(geopolicyrequested), c);
 888         g_signal_connect(G_OBJECT(v),
 889                          "create-web-view",
 890                          G_CALLBACK(createwindow), c);
 891         g_signal_connect(G_OBJECT(v), "ready-to-show",
 892                          G_CALLBACK(showview), c);
 893         g_signal_connect(G_OBJECT(v),
 894                          "new-window-policy-decision-requested",
 895                          G_CALLBACK(decidewindow), c);
 896         g_signal_connect(G_OBJECT(v),
 897                          "mime-type-policy-decision-requested",
 898                          G_CALLBACK(decidedownload), c);
 899         g_signal_connect(G_OBJECT(v),
 900                          "window-object-cleared",
 901                          G_CALLBACK(windowobjectcleared), c);
 902         g_signal_connect(G_OBJECT(v),
 903                          "notify::load-status",
 904                          G_CALLBACK(loadstatuschange), c);
 905         g_signal_connect(G_OBJECT(v),
 906                          "notify::progress",
 907                          G_CALLBACK(progresschange), c);
 908         g_signal_connect(G_OBJECT(v),
 909                          "download-requested",
 910                          G_CALLBACK(initdownload), c);
 911         g_signal_connect(G_OBJECT(v),
 912                          "button-release-event",
 913                          G_CALLBACK(buttonrelease), c);
 914         g_signal_connect(G_OBJECT(v),
 915                          "context-menu",
 916                          G_CALLBACK(contextmenu), c);
 917         g_signal_connect(G_OBJECT(v),
 918                          "resource-request-starting",
 919                          G_CALLBACK(beforerequest), c);
 920         g_signal_connect(G_OBJECT(v),
 921                          "should-show-delete-interface-for-element",
 922                          G_CALLBACK(deletion_interface), c);
 923
 924         return v;
 925 }
 926
 927 void
 928 showview(WebKitWebView *v, Client *c)
 929 {
 930         GdkGeometry hints = { 1, 1 };
 931         GdkRGBA bgcolor = { 0 };
 932         GdkWindow *gwin;
 933
 934         /* Window */
 935         if (embed) {
 936                 c->win = gtk_plug_new(embed);
 937         } else {
 938                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 939
 940                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 941                  * is always correct, so we should still call this function.
 942                  * But when doing so, we *must* differentiate between a
 943                  * WM_CLASS and a resource on the window.  By convention, the
 944                  * window class (WM_CLASS) is capped, while the resource is in
 945                  * lowercase.   Both these values come as a pair.
 946                  */
 947                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 948
 949                 /* TA:  20091214:  And set the role here as well -- so that
 950                  * sessions can pick this up.
 951                  */
 952                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 953         }
 954         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 955         g_signal_connect(G_OBJECT(c->win),
 956                          "destroy",
 957                          G_CALLBACK(destroywin), c);
 958         g_signal_connect(G_OBJECT(c->win),
 959                          "leave_notify_event",
 960                          G_CALLBACK(titlechangeleave), c);
 961
 962         if (!kioskmode)
 963                 addaccelgroup(c);
 964
 965         /* Arranging */
 966         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
 967
 968         /* Setup */
 969         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 970         gtk_widget_show(GTK_WIDGET(c->view));
 971         gtk_widget_show(c->win);
 972         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
 973         c->xid = gdk_x11_window_get_xid(gwin);
 974         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 975                                       GDK_HINT_MIN_SIZE);
 976         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
 977         gdk_window_add_filter(gwin, processx, c);
 978
 979         runscript(frame);
 980
 981         /* This might conflict with _zoomto96dpi_. */
 982         if (zoomlevel != 1.0)
 983                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
 984
 985         if (runinfullscreen)
 986                 fullscreen(c, NULL);
 987
 988         setatom(c, AtomFind, "");
 989         setatom(c, AtomUri, "about:blank");
 990         if (hidebackground)
 991                 webkit_web_view_set_background_color(c->view, &bgcolor);
 992
 993         if (showxid) {
 994                 gdk_display_sync(gtk_widget_get_display(c->win));
 995                 printf("%lu\n", c->xid);
 996                 fflush(NULL);
 997                 if (fclose(stdout) != 0) {
 998                         die("Error closing stdout");
 999                 }
1000         }
1001 }
1002
1003 void
1004 newwindow(Client *c, const Arg *arg, gboolean noembed)
1005 {
1006         guint i = 0;
1007         const char *cmd[18], *uri;
1008         const Arg a = { .v = (void *)cmd };
1009         char tmp[64];
1010
1011         cmd[i++] = argv0;
1012         cmd[i++] = "-a";
1013         cmd[i++] = cookiepolicies;
1014         if (!enablescrollbars)
1015                 cmd[i++] = "-b";
1016         if (embed && !noembed) {
1017                 cmd[i++] = "-e";
1018                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1019                 cmd[i++] = tmp;
1020         }
1021         if (!allowgeolocation)
1022                 cmd[i++] = "-g";
1023         if (!loadimages)
1024                 cmd[i++] = "-i";
1025         if (kioskmode)
1026                 cmd[i++] = "-k";
1027         if (!enableplugins)
1028                 cmd[i++] = "-p";
1029         if (!enablescripts)
1030                 cmd[i++] = "-s";
1031         if (showxid)
1032                 cmd[i++] = "-x";
1033         if (enablediskcache)
1034                 cmd[i++] = "-D";
1035         cmd[i++] = "-c";
1036         cmd[i++] = cookiefile;
1037         cmd[i++] = "--";
1038         uri = arg->v ? (char *)arg->v : c->linkhover;
1039         if (uri)
1040                 cmd[i++] = uri;
1041         cmd[i++] = NULL;
1042         spawn(NULL, &a);
1043 }
1044
1045 gboolean
1046 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1047             gboolean keyboard, Client *c)
1048 {
1049         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1050
1051         for (GList *l = items; l; l = l->next)
1052                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1053
1054         g_list_free(items);
1055         return FALSE;
1056 }
1057
1058 void
1059 menuactivate(GtkMenuItem *item, Client *c)
1060 {
1061         /*
1062          * context-menu-action-2000 open link
1063          * context-menu-action-1    open link in window
1064          * context-menu-action-2    download linked file
1065          * context-menu-action-3    copy link location
1066          * context-menu-action-7    copy image address
1067          * context-menu-action-13   reload
1068          * context-menu-action-10   back
1069          * context-menu-action-11   forward
1070          * context-menu-action-12   stop
1071          */
1072
1073         const gchar *name, *uri;
1074         GtkClipboard *prisel, *clpbrd;
1075
1076         name = gtk_actionable_get_action_name(GTK_ACTIONABLE(item));
1077         if (name == NULL)
1078                 return;
1079
1080         if (!g_strcmp0(name, "context-menu-action-3")) {
1081                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1082                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1083         } else if (!g_strcmp0(name, "context-menu-action-7")) {
1084                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1085                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1086                 uri = gtk_clipboard_wait_for_text(clpbrd);
1087                 if (uri)
1088                         gtk_clipboard_set_text(prisel, uri, -1);
1089         }
1090 }
1091
1092 void
1093 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1094 {
1095         Arg arg = {.v = text };
1096         if (text != NULL)
1097                 loaduri((Client *) d, &arg);
1098 }
1099
1100 void
1101 print(Client *c, const Arg *arg)
1102 {
1103         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1104 }
1105
1106 GdkFilterReturn
1107 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1108 {
1109         Client *c = (Client *)d;
1110         XPropertyEvent *ev;
1111         Arg arg;
1112
1113         if (((XEvent *)e)->type == PropertyNotify) {
1114                 ev = &((XEvent *)e)->xproperty;
1115                 if (ev->state == PropertyNewValue) {
1116                         if (ev->atom == atoms[AtomFind]) {
1117                                 arg.b = TRUE;
1118                                 find(c, &arg);
1119
1120                                 return GDK_FILTER_REMOVE;
1121                         } else if (ev->atom == atoms[AtomGo]) {
1122                                 arg.v = getatom(c, AtomGo);
1123                                 loaduri(c, &arg);
1124
1125                                 return GDK_FILTER_REMOVE;
1126                         }
1127                 }
1128         }
1129         return GDK_FILTER_CONTINUE;
1130 }
1131
1132 void
1133 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
1134 {
1135         c->progress = webkit_web_view_get_progress(c->view) * 100;
1136         updatetitle(c);
1137 }
1138
1139 void
1140 linkopen(Client *c, const Arg *arg)
1141 {
1142         newwindow(NULL, arg, 1);
1143 }
1144
1145 void
1146 linkopenembed(Client *c, const Arg *arg)
1147 {
1148         newwindow(NULL, arg, 0);
1149 }
1150
1151 void
1152 reload(Client *c, const Arg *arg)
1153 {
1154         gboolean nocache = *(gboolean *)arg;
1155         if (nocache)
1156                 webkit_web_view_reload_bypass_cache(c->view);
1157         else
1158                 webkit_web_view_reload(c->view);
1159 }
1160
1161 void
1162 scroll_h(Client *c, const Arg *arg)
1163 {
1164         scroll(gtk_scrolled_window_get_hadjustment(
1165                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1166 }
1167
1168 void
1169 scroll_v(Client *c, const Arg *arg)
1170 {
1171         scroll(gtk_scrolled_window_get_vadjustment(
1172                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1173 }
1174
1175 void
1176 scroll(GtkAdjustment *a, const Arg *arg)
1177 {
1178         gdouble v;
1179
1180         v = gtk_adjustment_get_value(a);
1181         switch (arg->i) {
1182         case +10000:
1183         case -10000:
1184                 v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
1185                 break;
1186         case +20000:
1187         case -20000:
1188         default:
1189                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1190         }
1191
1192         v = MAX(v, 0.0);
1193         v = MIN(v, gtk_adjustment_get_upper(a) -
1194                 gtk_adjustment_get_page_size(a));
1195         gtk_adjustment_set_value(a, v);
1196 }
1197
1198 void
1199 setatom(Client *c, int a, const char *v)
1200 {
1201         XSync(dpy, False);
1202         XChangeProperty(dpy, c->xid,
1203                         atoms[a], XA_STRING, 8, PropModeReplace,
1204                         (unsigned char *)v, strlen(v) + 1);
1205 }
1206
1207 void
1208 setup(void)
1209 {
1210         int i;
1211         char *styledirfile, *stylepath;
1212         WebKitWebContext *context;
1213         GError *error = NULL;
1214
1215         /* clean up any zombies immediately */
1216         sigchld(0);
1217         gtk_init(NULL, NULL);
1218
1219         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1220
1221         /* atoms */
1222         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1223         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1224         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1225
1226         /* dirs and files */
1227         cookiefile = buildfile(cookiefile);
1228         scriptfile = buildfile(scriptfile);
1229         cachedir   = buildpath(cachedir);
1230         if (stylefile == NULL) {
1231                 styledir = buildpath(styledir);
1232                 for (i = 0; i < LENGTH(styles); i++) {
1233                         if (regcomp(&(styles[i].re), styles[i].regex,
1234                             REG_EXTENDED)) {
1235                                 fprintf(stderr,
1236                                         "Could not compile regex: %s\n",
1237                                         styles[i].regex);
1238                                 styles[i].regex = NULL;
1239                         }
1240                         styledirfile    = g_strconcat(styledir, "/",
1241                                                       styles[i].style, NULL);
1242                         stylepath       = buildfile(styledirfile);
1243                         styles[i].style = g_strconcat("file://", stylepath,
1244                                                       NULL);
1245                         g_free(styledirfile);
1246                         g_free(stylepath);
1247                 }
1248                 g_free(styledir);
1249         } else {
1250                 stylepath = buildfile(stylefile);
1251                 stylefile = g_strconcat("file://", stylepath, NULL);
1252                 g_free(stylepath);
1253         }
1254 }
1255
1256 void
1257 sigchld(int unused)
1258 {
1259         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1260                 die("Can't install SIGCHLD handler");
1261         while (0 < waitpid(-1, NULL, WNOHANG));
1262 }
1263
1264 void
1265 spawn(Client *c, const Arg *arg)
1266 {
1267         if (fork() == 0) {
1268                 if (dpy)
1269                         close(ConnectionNumber(dpy));
1270                 setsid();
1271                 execvp(((char **)arg->v)[0], (char **)arg->v);
1272                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1273                 perror(" failed");
1274                 exit(0);
1275         }
1276 }
1277
1278 void
1279 eval(Client *c, const Arg *arg)
1280 {
1281         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1282         evalscript(webkit_web_frame_get_global_context(frame),
1283                    ((char **)arg->v)[0], "");
1284 }
1285
1286 void
1287 stop(Client *c, const Arg *arg)
1288 {
1289         webkit_web_view_stop_loading(c->view);
1290 }
1291
1292 void
1293 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1294 {
1295         c->title = webkit_web_view_get_title(c->view);
1296         updatetitle(c);
1297 }
1298
1299 void
1300 titlechangeleave(void *a, void *b, Client *c)
1301 {
1302         c->linkhover = NULL;
1303         updatetitle(c);
1304 }
1305
1306 void
1307 toggle(Client *c, const Arg *arg)
1308 {
1309         WebKitWebSettings *settings;
1310         char *name = (char *)arg->v;
1311         gboolean value;
1312         Arg a = { .b = FALSE };
1313
1314         settings = webkit_web_view_get_settings(c->view);
1315         g_object_get(G_OBJECT(settings), name, &value, NULL);
1316         g_object_set(G_OBJECT(settings), name, !value, NULL);
1317
1318         reload(c, &a);
1319 }
1320
1321 void
1322 togglecookiepolicy(Client *c, const Arg *arg)
1323 {
1324         ++cookiepolicy;
1325         cookiepolicy %= strlen(cookiepolicies);
1326
1327         webkit_cookie_manager_set_accept_policy(
1328             webkit_web_context_get_cookie_manager(
1329             webkit_web_view_get_context(c->view)),
1330             cookiepolicy_get());
1331
1332         updatetitle(c);
1333         /* Do not reload. */
1334 }
1335
1336 void
1337 togglegeolocation(Client *c, const Arg *arg)
1338 {
1339         Arg a = { .b = FALSE };
1340
1341         allowgeolocation ^= 1;
1342         reload(c, &a);
1343 }
1344
1345 void
1346 twitch(Client *c, const Arg *arg)
1347 {
1348         GtkAdjustment *a;
1349         gdouble v;
1350
1351         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
1352                                                 c->scroll));
1353
1354         v = gtk_adjustment_get_value(a);
1355
1356         v += arg->i;
1357
1358         v = MAX(v, 0.0);
1359         v = MIN(v, gtk_adjustment_get_upper(a) -
1360                 gtk_adjustment_get_page_size(a));
1361         gtk_adjustment_set_value(a, v);
1362 }
1363
1364 void
1365 togglescrollbars(Client *c, const Arg *arg)
1366 {
1367         GtkPolicyType vspolicy;
1368         Arg a;
1369
1370         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
1371                                        &vspolicy);
1372
1373         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1374                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1375                                                GTK_POLICY_NEVER,
1376                                                GTK_POLICY_NEVER);
1377         } else {
1378                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1379                                                GTK_POLICY_AUTOMATIC,
1380                                                GTK_POLICY_AUTOMATIC);
1381                 a.i = +1;
1382                 twitch(c, &a);
1383                 a.i = -1;
1384                 twitch(c, &a);
1385         }
1386 }
1387
1388 void
1389 togglestyle(Client *c, const Arg *arg)
1390 {
1391         enablestyle = !enablestyle;
1392         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1393
1394         updatetitle(c);
1395 }
1396
1397 void
1398 gettogglestat(Client *c)
1399 {
1400         gboolean value;
1401         int p = 0;
1402         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1403
1404         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1405
1406         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1407                      NULL);
1408         togglestat[p++] = value? 'C': 'c';
1409
1410         togglestat[p++] = allowgeolocation? 'G': 'g';
1411
1412         togglestat[p++] = enablediskcache? 'D': 'd';
1413
1414         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1415         togglestat[p++] = value? 'I': 'i';
1416
1417         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1418         togglestat[p++] = value? 'S': 's';
1419
1420         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1421         togglestat[p++] = value? 'V': 'v';
1422
1423         togglestat[p++] = enablestyle ? 'M': 'm';
1424
1425         togglestat[p] = '\0';
1426 }
1427
1428 void
1429 getpagestat(Client *c)
1430 {
1431         const char *uri = geturi(c);
1432
1433         if (strstr(uri, "https://") == uri)
1434                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1435         else
1436                 pagestat[0] = '-';
1437
1438         pagestat[1] = '\0';
1439 }
1440
1441 void
1442 updatetitle(Client *c)
1443 {
1444         char *t;
1445
1446         if (showindicators) {
1447                 gettogglestat(c);
1448                 getpagestat(c);
1449
1450                 if (c->linkhover) {
1451                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1452                                             c->linkhover);
1453                 } else if (c->progress != 100) {
1454                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1455                                             togglestat, pagestat,
1456                                             c->title == NULL ? "" : c->title);
1457                 } else {
1458                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1459                                             c->title == NULL ? "" : c->title);
1460                 }
1461
1462                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1463                 g_free(t);
1464         } else {
1465                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1466                                      "" : c->title);
1467         }
1468 }
1469
1470 void
1471 updatewinid(Client *c)
1472 {
1473         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1474 }
1475
1476 void
1477 usage(void)
1478 {
1479         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1480             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1481             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1482 }
1483
1484 void
1485 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1486                     JSObjectRef win, Client *c)
1487 {
1488         runscript(frame);
1489 }
1490
1491 void
1492 zoom(Client *c, const Arg *arg)
1493 {
1494         c->zoomed = TRUE;
1495         if (arg->i < 0) {
1496                 /* zoom out */
1497                 webkit_web_view_zoom_out(c->view);
1498         } else if (arg->i > 0) {
1499                 /* zoom in */
1500                 webkit_web_view_zoom_in(c->view);
1501         } else {
1502                 /* reset */
1503                 c->zoomed = FALSE;
1504                 webkit_web_view_set_zoom_level(c->view, 1.0);
1505         }
1506 }
1507
1508 int
1509 main(int argc, char *argv[])
1510 {
1511         Arg arg;
1512         Client *c;
1513
1514         memset(&arg, 0, sizeof(arg));
1515
1516         /* command line args */
1517         ARGBEGIN {
1518         case 'a':
1519                 cookiepolicies = EARGF(usage());
1520                 break;
1521         case 'b':
1522                 enablescrollbars = 0;
1523                 break;
1524         case 'B':
1525                 enablescrollbars = 1;
1526                 break;
1527         case 'c':
1528                 cookiefile = EARGF(usage());
1529                 break;
1530         case 'd':
1531                 enablediskcache = 0;
1532                 break;
1533         case 'D':
1534                 enablediskcache = 1;
1535                 break;
1536         case 'e':
1537                 embed = strtol(EARGF(usage()), NULL, 0);
1538                 break;
1539         case 'f':
1540                 runinfullscreen = 0;
1541                 break;
1542         case 'F':
1543                 runinfullscreen = 1;
1544                 break;
1545         case 'g':
1546                 allowgeolocation = 0;
1547                 break;
1548         case 'G':
1549                 allowgeolocation = 1;
1550                 break;
1551         case 'i':
1552                 loadimages = 0;
1553                 break;
1554         case 'I':
1555                 loadimages = 1;
1556                 break;
1557         case 'k':
1558                 kioskmode = 0;
1559                 break;
1560         case 'K':
1561                 kioskmode = 1;
1562                 break;
1563         case 'm':
1564                 enablestyle = 0;
1565                 break;
1566         case 'M':
1567                 enablestyle = 1;
1568                 break;
1569         case 'n':
1570                 enableinspector = 0;
1571                 break;
1572         case 'N':
1573                 enableinspector = 1;
1574                 break;
1575         case 'p':
1576                 enableplugins = 0;
1577                 break;
1578         case 'P':
1579                 enableplugins = 1;
1580                 break;
1581         case 'r':
1582                 scriptfile = EARGF(usage());
1583                 break;
1584         case 's':
1585                 enablescripts = 0;
1586                 break;
1587         case 'S':
1588                 enablescripts = 1;
1589                 break;
1590         case 't':
1591                 stylefile = EARGF(usage());
1592                 break;
1593         case 'u':
1594                 useragent = EARGF(usage());
1595                 break;
1596         case 'v':
1597                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1598                     "see LICENSE for details\n");
1599         case 'x':
1600                 showxid = TRUE;
1601                 break;
1602         case 'z':
1603                 zoomlevel = strtof(EARGF(usage()), NULL);
1604                 break;
1605         default:
1606                 usage();
1607         } ARGEND;
1608         if (argc > 0)
1609                 arg.v = argv[0];
1610
1611         setup();
1612         c = newclient(NULL);
1613         showview(NULL, c);
1614         if (arg.v)
1615                 loaduri(clients, &arg);
1616         else
1617                 updatetitle(c);
1618
1619         gtk_main();
1620         cleanup();
1621
1622         return EXIT_SUCCESS;
1623 }
1624