surf.c

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