surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5
   6 #include <signal.h>
   7 #include <X11/X.h>
   8 #include <X11/Xatom.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 <webkit/webkit.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
  27 #include "arg.h"
  28
  29 char *argv0;
  30
  31 #define LENGTH(x)               (sizeof x / sizeof x[0])
  32 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  33 #define COOKIEJAR_TYPE          (cookiejar_get_type ())
  34 #define COOKIEJAR(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
  35
  36 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  37
  38 typedef union Arg Arg;
  39 union Arg {
  40         gboolean b;
  41         gint i;
  42         const void *v;
  43 };
  44
  45 typedef struct Client {
  46         GtkWidget *win, *scroll, *vbox, *pane;
  47         WebKitWebView *view;
  48         WebKitWebInspector *inspector;
  49         char *title, *linkhover;
  50         const char *needle;
  51         gint progress;
  52         struct Client *next;
  53         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  54 } Client;
  55
  56 typedef struct {
  57         guint mod;
  58         guint keyval;
  59         void (*func)(Client *c, const Arg *arg);
  60         const Arg arg;
  61 } Key;
  62
  63 typedef struct {
  64         SoupCookieJarText parent_instance;
  65         int lock;
  66 } CookieJar;
  67
  68 typedef struct {
  69         SoupCookieJarTextClass parent_class;
  70 } CookieJarClass;
  71
  72 G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
  73
  74 static Display *dpy;
  75 static Atom atoms[AtomLast];
  76 static Client *clients = NULL;
  77 static GdkNativeWindow embed = 0;
  78 static gboolean showxid = FALSE;
  79 static char winid[64];
  80 static gboolean usingproxy = 0;
  81 static char togglestat[7];
  82 static char pagestat[3];
  83
  84 static void addaccelgroup(Client *c);
  85 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
  86                 WebKitWebResource *r, WebKitNetworkRequest *req,
  87                 WebKitNetworkResponse *resp, gpointer d);
  88 static char *buildpath(const char *path);
  89 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e,
  90                 GList *gl);
  91 static void cleanup(void);
  92 static void clipboard(Client *c, const Arg *arg);
  93
  94 static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
  95                 SoupCookie *new_cookie);
  96 static void cookiejar_finalize(GObject *self);
  97 static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only);
  98 static void cookiejar_set_property(GObject *self, guint prop_id,
  99                 const GValue *value, GParamSpec *pspec);
 100
 101 static char *copystr(char **str, const char *src);
 102 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 103                 Client *c);
 104 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 105                 WebKitNetworkRequest *r, gchar *m,  WebKitWebPolicyDecision *p,
 106                 Client *c);
 107 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 108                 WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
 109                 WebKitWebPolicyDecision *p, Client *c);
 110 static gboolean deletion_interface(WebKitWebView *view,
 111                 WebKitDOMHTMLElement *arg1, Client *c);
 112 static void destroyclient(Client *c);
 113 static void destroywin(GtkWidget* w, Client *c);
 114 static void die(const char *errstr, ...);
 115 static void eval(Client *c, const Arg *arg);
 116 static void find(Client *c, const Arg *arg);
 117 static void fullscreen(Client *c, const Arg *arg);
 118 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 119                 WebKitGeolocationPolicyDecision *d, Client *c);
 120 static const char *getatom(Client *c, int a);
 121 static void gettogglestat(Client *c);
 122 static void getpagestat(Client *c);
 123 static char *geturi(Client *c);
 124 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 125
 126 static void inspector(Client *c, const Arg *arg);
 127 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 128                 Client *c);
 129 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 130 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 131 static void inspector_finished(WebKitWebInspector *i, Client *c);
 132
 133 static gboolean keypress(GtkAccelGroup *group,
 134                 GObject *obj, guint key, GdkModifierType mods,
 135                 Client *c);
 136 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 137                 Client *c);
 138 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 139                 Client *c);
 140 static void loaduri(Client *c, const Arg *arg);
 141 static void navigate(Client *c, const Arg *arg);
 142 static Client *newclient(void);
 143 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 144 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 145 static void populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c);
 146 static void popupactivate(GtkMenuItem *menu, Client *);
 147 static void print(Client *c, const Arg *arg);
 148 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 149                 gpointer d);
 150 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 151 static void reload(Client *c, const Arg *arg);
 152 static void scroll_h(Client *c, const Arg *arg);
 153 static void scroll_v(Client *c, const Arg *arg);
 154 static void scroll(GtkAdjustment *a, const Arg *arg);
 155 static void setatom(Client *c, int a, const char *v);
 156 static void setup(void);
 157 static void sigchld(int unused);
 158 static void source(Client *c, const Arg *arg);
 159 static void spawn(Client *c, const Arg *arg);
 160 static void stop(Client *c, const Arg *arg);
 161 static void titlechange(WebKitWebView *v, WebKitWebFrame *frame,
 162                 const char *title, Client *c);
 163 static void toggle(Client *c, const Arg *arg);
 164 static void togglegeolocation(Client *c, const Arg *arg);
 165 static void togglescrollbars(Client *c, const Arg *arg);
 166 static void togglestyle(Client *c, const Arg *arg);
 167 static void updatetitle(Client *c);
 168 static void updatewinid(Client *c);
 169 static void usage(void);
 170 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 171                 JSContextRef js, JSObjectRef win, Client *c);
 172 static void zoom(Client *c, const Arg *arg);
 173
 174 /* configuration, allows nested code to access above variables */
 175 #include "config.h"
 176
 177 static void
 178 addaccelgroup(Client *c) {
 179         int i;
 180         GtkAccelGroup *group = gtk_accel_group_new();
 181         GClosure *closure;
 182
 183         for(i = 0; i < LENGTH(keys); i++) {
 184                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 185                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod,
 186                                 0, closure);
 187         }
 188         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 189 }
 190
 191 static void
 192 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 193                 WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 194                 gpointer d) {
 195         const gchar *uri = webkit_network_request_get_uri(req);
 196
 197         if(g_str_has_suffix(uri, "/favicon.ico"))
 198                 webkit_network_request_set_uri(req, "about:blank");
 199 }
 200
 201 static char *
 202 buildpath(const char *path) {
 203         char *apath, *p;
 204         FILE *f;
 205
 206         /* creating directory */
 207         if(path[0] == '/') {
 208                 apath = g_strdup(path);
 209         } else if(path[0] == '~') {
 210                 if(path[1] == '/') {
 211                         apath = g_strconcat(g_get_home_dir(), &path[1], NULL);
 212                 } else {
 213                         apath = g_strconcat(g_get_home_dir(), "/",
 214                                         &path[1], NULL);
 215                 }
 216         } else {
 217                 apath = g_strconcat(g_get_current_dir(), "/", path, NULL);
 218         }
 219
 220         if((p = strrchr(apath, '/'))) {
 221                 *p = '\0';
 222                 g_mkdir_with_parents(apath, 0700);
 223                 g_chmod(apath, 0700); /* in case it existed */
 224                 *p = '/';
 225         }
 226         /* creating file (gives error when apath ends with "/") */
 227         if((f = fopen(apath, "a"))) {
 228                 g_chmod(apath, 0600); /* always */
 229                 fclose(f);
 230         }
 231
 232         return apath;
 233 }
 234
 235 static gboolean
 236 buttonrelease(WebKitWebView *web, GdkEventButton *e, GList *gl) {
 237         WebKitHitTestResultContext context;
 238         WebKitHitTestResult *result = webkit_web_view_get_hit_test_result(web,
 239                         e);
 240         Arg arg;
 241
 242         g_object_get(result, "context", &context, NULL);
 243         if(context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK) {
 244                 if(e->button == 2 ||
 245                                 (e->button == 1 && CLEANMASK(e->state) == CLEANMASK(MODKEY))) {
 246                         g_object_get(result, "link-uri", &arg.v, NULL);
 247                         newwindow(NULL, &arg, e->state & GDK_CONTROL_MASK);
 248                         return true;
 249                 }
 250         }
 251         return false;
 252 }
 253
 254 static void
 255 cleanup(void) {
 256         while(clients)
 257                 destroyclient(clients);
 258         g_free(cookiefile);
 259         g_free(scriptfile);
 260         g_free(stylefile);
 261 }
 262
 263 static void
 264 cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 265                 SoupCookie *new_cookie) {
 266         flock(COOKIEJAR(self)->lock, LOCK_EX);
 267         if(new_cookie && !new_cookie->expires && sessiontime) {
 268                 soup_cookie_set_expires(new_cookie,
 269                                 soup_date_new_from_now(sessiontime));
 270         }
 271         SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
 272                         old_cookie, new_cookie);
 273         flock(COOKIEJAR(self)->lock, LOCK_UN);
 274 }
 275
 276 static void
 277 cookiejar_class_init(CookieJarClass *klass) {
 278         SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
 279         G_OBJECT_CLASS(klass)->get_property =
 280                 G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
 281         G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
 282         G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
 283         g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
 284 }
 285
 286 static void
 287 cookiejar_finalize(GObject *self) {
 288         close(COOKIEJAR(self)->lock);
 289         G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
 290 }
 291
 292 static void
 293 cookiejar_init(CookieJar *self) {
 294         self->lock = open(cookiefile, 0);
 295 }
 296
 297 static SoupCookieJar *
 298 cookiejar_new(const char *filename, gboolean read_only) {
 299         return g_object_new(COOKIEJAR_TYPE,
 300                             SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
 301                             SOUP_COOKIE_JAR_READ_ONLY, read_only, NULL);
 302 }
 303
 304 static void
 305 cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
 306                 GParamSpec *pspec) {
 307         flock(COOKIEJAR(self)->lock, LOCK_SH);
 308         G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
 309                         value, pspec);
 310         flock(COOKIEJAR(self)->lock, LOCK_UN);
 311 }
 312
 313 static void
 314 evalscript(JSContextRef js, char *script, char* scriptname) {
 315         JSStringRef jsscript, jsscriptname;
 316         JSValueRef exception = NULL;
 317
 318         jsscript = JSStringCreateWithUTF8CString(script);
 319         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 320         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 321                         jsscriptname, 0, &exception);
 322         JSStringRelease(jsscript);
 323         JSStringRelease(jsscriptname);
 324 }
 325
 326 static void
 327 runscript(WebKitWebFrame *frame) {
 328         char *script;
 329         GError *error;
 330
 331         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 332                 evalscript(webkit_web_frame_get_global_context(frame),
 333                                 script, scriptfile);
 334         }
 335 }
 336
 337 static void
 338 clipboard(Client *c, const Arg *arg) {
 339         gboolean paste = *(gboolean *)arg;
 340
 341         if(paste) {
 342                 gtk_clipboard_request_text(
 343                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 344                                 pasteuri, c);
 345         } else {
 346                 gtk_clipboard_set_text(
 347                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 348                                 c->linkhover ? c->linkhover : geturi(c), -1);
 349         }
 350 }
 351
 352 static char *
 353 copystr(char **str, const char *src) {
 354         char *tmp;
 355         tmp = g_strdup(src);
 356
 357         if(str && *str) {
 358                 g_free(*str);
 359                 *str = tmp;
 360         }
 361         return tmp;
 362 }
 363
 364 static WebKitWebView *
 365 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 366         Client *n = newclient();
 367         return n->view;
 368 }
 369
 370 static gboolean
 371 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 372                 gchar *m,  WebKitWebPolicyDecision *p, Client *c) {
 373         if(!webkit_web_view_can_show_mime_type(v, m)) {
 374                 webkit_web_policy_decision_download(p);
 375                 return TRUE;
 376         }
 377         return FALSE;
 378 }
 379
 380 static gboolean
 381 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 382                 WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 383                 Client *c) {
 384         Arg arg;
 385
 386         if(webkit_web_navigation_action_get_reason(n) ==
 387                         WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 388                 webkit_web_policy_decision_ignore(p);
 389                 arg.v = (void *)webkit_network_request_get_uri(r);
 390                 newwindow(NULL, &arg, 0);
 391                 return TRUE;
 392         }
 393         return FALSE;
 394 }
 395
 396 static gboolean
 397 deletion_interface(WebKitWebView *view,
 398                 WebKitDOMHTMLElement *arg1, Client *c) {
 399         return FALSE;
 400 }
 401
 402 static void
 403 destroyclient(Client *c) {
 404         Client *p;
 405
 406         webkit_web_view_stop_loading(c->view);
 407         gtk_widget_destroy(GTK_WIDGET(c->view));
 408         gtk_widget_destroy(c->scroll);
 409         gtk_widget_destroy(c->vbox);
 410         gtk_widget_destroy(c->win);
 411
 412         for(p = clients; p && p->next != c; p = p->next);
 413         if(p) {
 414                 p->next = c->next;
 415         } else {
 416                 clients = c->next;
 417         }
 418         free(c);
 419         if(clients == NULL)
 420                 gtk_main_quit();
 421 }
 422
 423 static void
 424 destroywin(GtkWidget* w, Client *c) {
 425         destroyclient(c);
 426 }
 427
 428 static void
 429 die(const char *errstr, ...) {
 430         va_list ap;
 431
 432         va_start(ap, errstr);
 433         vfprintf(stderr, errstr, ap);
 434         va_end(ap);
 435         exit(EXIT_FAILURE);
 436 }
 437
 438 static void
 439 find(Client *c, const Arg *arg) {
 440         const char *s;
 441
 442         s = getatom(c, AtomFind);
 443         gboolean forward = *(gboolean *)arg;
 444         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 445 }
 446
 447 static void
 448 fullscreen(Client *c, const Arg *arg) {
 449         if(c->fullscreen) {
 450                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 451         } else {
 452                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 453         }
 454         c->fullscreen = !c->fullscreen;
 455 }
 456
 457 static void
 458 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 459                 WebKitGeolocationPolicyDecision *d, Client *c) {
 460         if(allowgeolocation) {
 461                 webkit_geolocation_policy_allow(d);
 462         } else {
 463                 webkit_geolocation_policy_deny(d);
 464         }
 465 }
 466
 467 static const char *
 468 getatom(Client *c, int a) {
 469         static char buf[BUFSIZ];
 470         Atom adummy;
 471         int idummy;
 472         unsigned long ldummy;
 473         unsigned char *p = NULL;
 474
 475         XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 476                         atoms[a], 0L, BUFSIZ, False, XA_STRING,
 477                         &adummy, &idummy, &ldummy, &ldummy, &p);
 478         if(p) {
 479                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 480         } else {
 481                 buf[0] = '\0';
 482         }
 483         XFree(p);
 484
 485         return buf;
 486 }
 487
 488 static char *
 489 geturi(Client *c) {
 490         char *uri;
 491
 492         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 493                 uri = "about:blank";
 494         return uri;
 495 }
 496
 497 static gboolean
 498 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 499         Arg arg;
 500
 501         updatewinid(c);
 502         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 503         spawn(c, &arg);
 504         return FALSE;
 505 }
 506
 507 static void
 508 inspector(Client *c, const Arg *arg) {
 509         if(c->isinspecting) {
 510                 webkit_web_inspector_close(c->inspector);
 511         } else {
 512                 webkit_web_inspector_show(c->inspector);
 513         }
 514 }
 515
 516 static WebKitWebView *
 517 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c) {
 518         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 519 }
 520
 521 static gboolean
 522 inspector_show(WebKitWebInspector *i, Client *c) {
 523         WebKitWebView *w;
 524
 525         if(c->isinspecting)
 526                 return false;
 527
 528         w = webkit_web_inspector_get_web_view(i);
 529         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 530         gtk_widget_show(GTK_WIDGET(w));
 531         c->isinspecting = true;
 532
 533         return true;
 534 }
 535
 536 static gboolean
 537 inspector_close(WebKitWebInspector *i, Client *c) {
 538         GtkWidget *w;
 539
 540         if(!c->isinspecting)
 541                 return false;
 542
 543         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 544         gtk_widget_hide(w);
 545         gtk_widget_destroy(w);
 546         c->isinspecting = false;
 547
 548         return true;
 549 }
 550
 551 static void
 552 inspector_finished(WebKitWebInspector *i, Client *c) {
 553         g_free(c->inspector);
 554 }
 555
 556 static gboolean
 557 keypress(GtkAccelGroup *group, GObject *obj,
 558                 guint key, GdkModifierType mods, Client *c) {
 559         guint i;
 560         gboolean processed = FALSE;
 561
 562         mods = CLEANMASK(mods);
 563         key = gdk_keyval_to_lower(key);
 564         updatewinid(c);
 565         for(i = 0; i < LENGTH(keys); i++) {
 566                 if(key == keys[i].keyval
 567                                 && mods == keys[i].mod
 568                                 && keys[i].func) {
 569                         keys[i].func(c, &(keys[i].arg));
 570                         processed = TRUE;
 571                 }
 572         }
 573
 574         return processed;
 575 }
 576
 577 static void
 578 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 579         if(l) {
 580                 c->linkhover = copystr(&c->linkhover, l);
 581         } else if(c->linkhover) {
 582                 free(c->linkhover);
 583                 c->linkhover = NULL;
 584         }
 585         updatetitle(c);
 586 }
 587
 588 static void
 589 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 590         WebKitWebFrame *frame;
 591         WebKitWebDataSource *src;
 592         WebKitNetworkRequest *request;
 593         SoupMessage *msg;
 594         char *uri;
 595
 596         switch(webkit_web_view_get_load_status (c->view)) {
 597         case WEBKIT_LOAD_COMMITTED:
 598                 uri = geturi(c);
 599                 if(strstr(uri, "https://") == uri) {
 600                         frame = webkit_web_view_get_main_frame(c->view);
 601                         src = webkit_web_frame_get_data_source(frame);
 602                         request = webkit_web_data_source_get_request(src);
 603                         msg = webkit_network_request_get_message(request);
 604                         c->sslfailed = soup_message_get_flags(msg)
 605                                        ^ SOUP_MESSAGE_CERTIFICATE_TRUSTED;
 606                 }
 607                 setatom(c, AtomUri, uri);
 608                 break;
 609         case WEBKIT_LOAD_FINISHED:
 610                 c->progress = 100;
 611                 updatetitle(c);
 612                 break;
 613         default:
 614                 break;
 615         }
 616 }
 617
 618 static void
 619 loaduri(Client *c, const Arg *arg) {
 620         char *u, *rp;
 621         const char *uri = (char *)arg->v;
 622         Arg a = { .b = FALSE };
 623         struct stat st;
 624
 625         if(strcmp(uri, "") == 0)
 626                 return;
 627
 628         /* In case it's a file path. */
 629         if(stat(uri, &st) == 0) {
 630                 rp = realpath(uri, NULL);
 631                 u = g_strdup_printf("file://%s", rp);
 632                 free(rp);
 633         } else {
 634                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 635                         : g_strdup_printf("http://%s", uri);
 636         }
 637
 638         /* prevents endless loop */
 639         if(strcmp(u, geturi(c)) == 0) {
 640                 reload(c, &a);
 641         } else {
 642                 webkit_web_view_load_uri(c->view, u);
 643                 c->progress = 0;
 644                 c->title = copystr(&c->title, u);
 645                 g_free(u);
 646                 updatetitle(c);
 647         }
 648 }
 649
 650 static void
 651 navigate(Client *c, const Arg *arg) {
 652         int steps = *(int *)arg;
 653         webkit_web_view_go_back_or_forward(c->view, steps);
 654 }
 655
 656 static Client *
 657 newclient(void) {
 658         Client *c;
 659         WebKitWebSettings *settings;
 660         WebKitWebFrame *frame;
 661         GdkGeometry hints = { 1, 1 };
 662         GdkScreen *screen;
 663         gdouble dpi;
 664         char *uri, *ua;
 665
 666         if(!(c = calloc(1, sizeof(Client))))
 667                 die("Cannot malloc!\n");
 668
 669         /* Window */
 670         if(embed) {
 671                 c->win = gtk_plug_new(embed);
 672         } else {
 673                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 674
 675                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 676                  * is always correct, so we should still call this function.
 677                  * But when doing so, we *must* differentiate between a
 678                  * WM_CLASS and a resource on the window.  By convention, the
 679                  * window class (WM_CLASS) is capped, while the resource is in
 680                  * lowercase.   Both these values come as a pair.
 681                  */
 682                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 683
 684                 /* TA:  20091214:  And set the role here as well -- so that
 685                  * sessions can pick this up.
 686                  */
 687                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 688         }
 689         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 690         g_signal_connect(G_OBJECT(c->win),
 691                         "destroy",
 692                         G_CALLBACK(destroywin), c);
 693
 694         if(!kioskmode)
 695                 addaccelgroup(c);
 696
 697         /* Pane */
 698         c->pane = gtk_vpaned_new();
 699
 700         /* VBox */
 701         c->vbox = gtk_vbox_new(FALSE, 0);
 702         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 703
 704         /* Webview */
 705         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 706
 707         g_signal_connect(G_OBJECT(c->view),
 708                         "title-changed",
 709                         G_CALLBACK(titlechange), c);
 710         g_signal_connect(G_OBJECT(c->view),
 711                         "hovering-over-link",
 712                         G_CALLBACK(linkhover), c);
 713         g_signal_connect(G_OBJECT(c->view),
 714                         "geolocation-policy-decision-requested",
 715                         G_CALLBACK(geopolicyrequested), c);
 716         g_signal_connect(G_OBJECT(c->view),
 717                         "create-web-view",
 718                         G_CALLBACK(createwindow), c);
 719         g_signal_connect(G_OBJECT(c->view),
 720                         "new-window-policy-decision-requested",
 721                         G_CALLBACK(decidewindow), c);
 722         g_signal_connect(G_OBJECT(c->view),
 723                         "mime-type-policy-decision-requested",
 724                         G_CALLBACK(decidedownload), c);
 725         g_signal_connect(G_OBJECT(c->view),
 726                         "window-object-cleared",
 727                         G_CALLBACK(windowobjectcleared), c);
 728         g_signal_connect(G_OBJECT(c->view),
 729                         "notify::load-status",
 730                         G_CALLBACK(loadstatuschange), c);
 731         g_signal_connect(G_OBJECT(c->view),
 732                         "notify::progress",
 733                         G_CALLBACK(progresschange), c);
 734         g_signal_connect(G_OBJECT(c->view),
 735                         "download-requested",
 736                         G_CALLBACK(initdownload), c);
 737         g_signal_connect(G_OBJECT(c->view),
 738                         "button-release-event",
 739                         G_CALLBACK(buttonrelease), c);
 740         g_signal_connect(G_OBJECT(c->view),
 741                         "populate-popup",
 742                         G_CALLBACK(populatepopup), c);
 743         g_signal_connect(G_OBJECT(c->view),
 744                         "resource-request-starting",
 745                         G_CALLBACK(beforerequest), c);
 746         g_signal_connect(G_OBJECT(c->view),
 747                         "should-show-delete-interface-for-element",
 748                         G_CALLBACK(deletion_interface), c);
 749
 750         /* Scrolled Window */
 751         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 752
 753         frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(c->view));
 754         g_signal_connect(G_OBJECT(frame), "scrollbars-policy-changed",
 755                         G_CALLBACK(gtk_true), NULL);
 756
 757         if(!enablescrollbars) {
 758                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 759                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 760         } else {
 761                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 762                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 763         }
 764
 765         /* Arranging */
 766         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 767         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 768         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 769
 770         /* Setup */
 771         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE,
 772                         TRUE, 0, GTK_PACK_START);
 773         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 774         gtk_widget_show(c->pane);
 775         gtk_widget_show(c->vbox);
 776         gtk_widget_show(c->scroll);
 777         gtk_widget_show(GTK_WIDGET(c->view));
 778         gtk_widget_show(c->win);
 779         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 780                         GDK_HINT_MIN_SIZE);
 781         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 782         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 783         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 784
 785         runscript(frame);
 786
 787         settings = webkit_web_view_get_settings(c->view);
 788         if(!(ua = getenv("SURF_USERAGENT")))
 789                 ua = useragent;
 790         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
 791         uri = g_strconcat("file://", stylefile, NULL);
 792         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 793         g_object_set(G_OBJECT(settings), "auto-load-images", loadimages,
 794                         NULL);
 795         g_object_set(G_OBJECT(settings), "enable-plugins", enableplugins,
 796                         NULL);
 797         g_object_set(G_OBJECT(settings), "enable-scripts", enablescripts,
 798                         NULL);
 799         g_object_set(G_OBJECT(settings), "enable-spatial-navigation",
 800                         enablespatialbrowsing, NULL);
 801         g_object_set(G_OBJECT(settings), "enable-developer-extras",
 802                         enableinspector, NULL);
 803         g_object_set(G_OBJECT(settings), "enable-default-context-menu",
 804                         kioskmode ^ 1, NULL);
 805         g_object_set(G_OBJECT(settings), "default-font-size",
 806                         defaultfontsize, NULL);
 807
 808         /*
 809          * While stupid, CSS specifies that a pixel represents 1/96 of an inch.
 810          * This ensures websites are not unusably small with a high DPI screen.
 811          * It is equivalent to firefox's "layout.css.devPixelsPerPx" setting.
 812          */
 813         if(zoomto96dpi) {
 814                 screen = gdk_window_get_screen(GTK_WIDGET(c->win)->window);
 815                 dpi = gdk_screen_get_resolution(screen);
 816                 if(dpi != -1) {
 817                         g_object_set(G_OBJECT(settings), "enforce-96-dpi", true,
 818                                         NULL);
 819                         webkit_web_view_set_zoom_level(c->view, dpi/96);
 820                 }
 821         }
 822
 823         if(enableinspector) {
 824                 c->inspector = WEBKIT_WEB_INSPECTOR(
 825                                 webkit_web_view_get_inspector(c->view));
 826                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
 827                                 G_CALLBACK(inspector_new), c);
 828                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
 829                                 G_CALLBACK(inspector_show), c);
 830                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
 831                                 G_CALLBACK(inspector_close), c);
 832                 g_signal_connect(G_OBJECT(c->inspector), "finished",
 833                                 G_CALLBACK(inspector_finished), c);
 834                 c->isinspecting = false;
 835         }
 836
 837         if(runinfullscreen) {
 838                 c->fullscreen = 0;
 839                 fullscreen(c, NULL);
 840         }
 841
 842         g_free(uri);
 843
 844         setatom(c, AtomFind, "");
 845         setatom(c, AtomUri, "about:blank");
 846         if(hidebackground)
 847                 webkit_web_view_set_transparent(c->view, TRUE);
 848
 849         c->title = NULL;
 850         c->next = clients;
 851         clients = c;
 852
 853         if(showxid) {
 854                 gdk_display_sync(gtk_widget_get_display(c->win));
 855                 printf("%u\n",
 856                         (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 857                 fflush(NULL);
 858                 if (fclose(stdout) != 0) {
 859                         die("Error closing stdout");
 860                 }
 861         }
 862
 863         return c;
 864 }
 865
 866 static void
 867 newwindow(Client *c, const Arg *arg, gboolean noembed) {
 868         guint i = 0;
 869         const char *cmd[14], *uri;
 870         const Arg a = { .v = (void *)cmd };
 871         char tmp[64];
 872
 873         cmd[i++] = argv0;
 874         if(!enablescrollbars)
 875                 cmd[i++] = "-b";
 876         if(embed && !noembed) {
 877                 cmd[i++] = "-e";
 878                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 879                 cmd[i++] = tmp;
 880         }
 881         if(!loadimages)
 882                 cmd[i++] = "-i";
 883         if(kioskmode)
 884                 cmd[i++] = "-k";
 885         if(!enableplugins)
 886                 cmd[i++] = "-p";
 887         if(!enablescripts)
 888                 cmd[i++] = "-s";
 889         if(showxid)
 890                 cmd[i++] = "-x";
 891         cmd[i++] = "-c";
 892         cmd[i++] = cookiefile;
 893         cmd[i++] = "--";
 894         uri = arg->v ? (char *)arg->v : c->linkhover;
 895         if(uri)
 896                 cmd[i++] = uri;
 897         cmd[i++] = NULL;
 898         spawn(NULL, &a);
 899 }
 900
 901 static void
 902 populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c) {
 903         GList *items = gtk_container_get_children(GTK_CONTAINER(menu));
 904
 905         for(GList *l = items; l; l = l->next) {
 906                 g_signal_connect(l->data, "activate", G_CALLBACK(popupactivate), c);
 907         }
 908
 909         g_list_free(items);
 910 }
 911
 912 static void
 913 popupactivate(GtkMenuItem *menu, Client *c) {
 914         /*
 915          * context-menu-action-2000     open link
 916          * context-menu-action-1        open link in window
 917          * context-menu-action-2        download linked file
 918          * context-menu-action-3        copy link location
 919          * context-menu-action-13       reload
 920          * context-menu-action-10       back
 921          * context-menu-action-11       forward
 922          * context-menu-action-12       stop
 923          */
 924
 925         GtkAction *a = NULL;
 926         const char *name;
 927         GtkClipboard *prisel;
 928
 929         a = gtk_activatable_get_related_action(GTK_ACTIVATABLE(menu));
 930         if(a == NULL)
 931                 return;
 932
 933         name = gtk_action_get_name(a);
 934         if(!g_strcmp0(name, "context-menu-action-3")) {
 935                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 936                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
 937         }
 938 }
 939
 940 static void
 941 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
 942         Arg arg = {.v = text };
 943         if(text != NULL)
 944                 loaduri((Client *) d, &arg);
 945 }
 946
 947 static void
 948 print(Client *c, const Arg *arg) {
 949         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 950 }
 951
 952 static GdkFilterReturn
 953 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 954         Client *c = (Client *)d;
 955         XPropertyEvent *ev;
 956         Arg arg;
 957
 958         if(((XEvent *)e)->type == PropertyNotify) {
 959                 ev = &((XEvent *)e)->xproperty;
 960                 if(ev->state == PropertyNewValue) {
 961                         if(ev->atom == atoms[AtomFind]) {
 962                                 arg.b = TRUE;
 963                                 find(c, &arg);
 964
 965                                 return GDK_FILTER_REMOVE;
 966                         } else if(ev->atom == atoms[AtomGo]) {
 967                                 arg.v = getatom(c, AtomGo);
 968                                 loaduri(c, &arg);
 969
 970                                 return GDK_FILTER_REMOVE;
 971                         }
 972                 }
 973         }
 974         return GDK_FILTER_CONTINUE;
 975 }
 976
 977 static void
 978 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 979         c->progress = webkit_web_view_get_progress(c->view) * 100;
 980         updatetitle(c);
 981 }
 982
 983 static void
 984 reload(Client *c, const Arg *arg) {
 985         gboolean nocache = *(gboolean *)arg;
 986         if(nocache) {
 987                  webkit_web_view_reload_bypass_cache(c->view);
 988         } else {
 989                  webkit_web_view_reload(c->view);
 990         }
 991 }
 992
 993 static void
 994 scroll_h(Client *c, const Arg *arg) {
 995         scroll(gtk_scrolled_window_get_hadjustment(
 996                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
 997 }
 998
 999 static void
1000 scroll_v(Client *c, const Arg *arg) {
1001         scroll(gtk_scrolled_window_get_vadjustment(
1002                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1003 }
1004
1005 static void
1006 scroll(GtkAdjustment *a, const Arg *arg) {
1007         gdouble v;
1008
1009         v = gtk_adjustment_get_value(a);
1010         switch (arg->i){
1011         case +10000:
1012         case -10000:
1013                 v += gtk_adjustment_get_page_increment(a) *
1014                         (arg->i / 10000);
1015                 break;
1016         case +20000:
1017         case -20000:
1018         default:
1019                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1020         }
1021
1022         v = MAX(v, 0.0);
1023         v = MIN(v, gtk_adjustment_get_upper(a) -
1024                         gtk_adjustment_get_page_size(a));
1025         gtk_adjustment_set_value(a, v);
1026 }
1027
1028 static void
1029 setatom(Client *c, int a, const char *v) {
1030         XSync(dpy, False);
1031         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
1032                         atoms[a], XA_STRING, 8, PropModeReplace,
1033                         (unsigned char *)v, strlen(v) + 1);
1034 }
1035
1036 static void
1037 setup(void) {
1038         char *proxy;
1039         char *new_proxy;
1040         SoupURI *puri;
1041         SoupSession *s;
1042
1043         /* clean up any zombies immediately */
1044         sigchld(0);
1045         gtk_init(NULL, NULL);
1046
1047         dpy = GDK_DISPLAY();
1048
1049         /* atoms */
1050         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1051         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1052         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1053
1054         /* dirs and files */
1055         cookiefile = buildpath(cookiefile);
1056         scriptfile = buildpath(scriptfile);
1057         stylefile = buildpath(stylefile);
1058
1059         /* request handler */
1060         s = webkit_get_default_session();
1061
1062         /* cookie jar */
1063         soup_session_add_feature(s,
1064                         SOUP_SESSION_FEATURE(cookiejar_new(cookiefile,
1065                                         FALSE)));
1066
1067         /* ssl */
1068         g_object_set(G_OBJECT(s), "ssl-ca-file", cafile, NULL);
1069         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
1070
1071         /* proxy */
1072         if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
1073                 new_proxy = g_strrstr(proxy, "http://") ? g_strdup(proxy) :
1074                         g_strdup_printf("http://%s", proxy);
1075                 puri = soup_uri_new(new_proxy);
1076                 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
1077                 soup_uri_free(puri);
1078                 g_free(new_proxy);
1079                 usingproxy = 1;
1080         }
1081 }
1082
1083 static void
1084 sigchld(int unused) {
1085         if(signal(SIGCHLD, sigchld) == SIG_ERR)
1086                 die("Can't install SIGCHLD handler");
1087         while(0 < waitpid(-1, NULL, WNOHANG));
1088 }
1089
1090 static void
1091 source(Client *c, const Arg *arg) {
1092         Arg a = { .b = FALSE };
1093         gboolean s;
1094
1095         s = webkit_web_view_get_view_source_mode(c->view);
1096         webkit_web_view_set_view_source_mode(c->view, !s);
1097         reload(c, &a);
1098 }
1099
1100 static void
1101 spawn(Client *c, const Arg *arg) {
1102         if(fork() == 0) {
1103                 if(dpy)
1104                         close(ConnectionNumber(dpy));
1105                 setsid();
1106                 execvp(((char **)arg->v)[0], (char **)arg->v);
1107                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1108                 perror(" failed");
1109                 exit(0);
1110         }
1111 }
1112
1113 static void
1114 eval(Client *c, const Arg *arg) {
1115         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1116         evalscript(webkit_web_frame_get_global_context(frame),
1117                         ((char **)arg->v)[0], "");
1118 }
1119
1120 static void
1121 stop(Client *c, const Arg *arg) {
1122         webkit_web_view_stop_loading(c->view);
1123 }
1124
1125 static void
1126 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
1127         c->title = copystr(&c->title, t);
1128         updatetitle(c);
1129 }
1130
1131 static void
1132 toggle(Client *c, const Arg *arg) {
1133         WebKitWebSettings *settings;
1134         char *name = (char *)arg->v;
1135         gboolean value;
1136         Arg a = { .b = FALSE };
1137
1138         settings = webkit_web_view_get_settings(c->view);
1139         g_object_get(G_OBJECT(settings), name, &value, NULL);
1140         g_object_set(G_OBJECT(settings), name, !value, NULL);
1141
1142         reload(c, &a);
1143 }
1144
1145 static void
1146 twitch(Client *c, const Arg *arg) {
1147         GtkAdjustment *a;
1148         gdouble v;
1149
1150         a = gtk_scrolled_window_get_vadjustment(
1151                         GTK_SCROLLED_WINDOW(c->scroll));
1152
1153         v = gtk_adjustment_get_value(a);
1154
1155         v += arg->i;
1156
1157         v = MAX(v, 0.0);
1158         v = MIN(v, gtk_adjustment_get_upper(a) -
1159                         gtk_adjustment_get_page_size(a));
1160         gtk_adjustment_set_value(a, v);
1161 }
1162
1163 static void
1164 togglegeolocation(Client *c, const Arg *arg) {
1165         Arg a = { .b = FALSE };
1166
1167         allowgeolocation ^= 1;
1168
1169         reload(c, &a);
1170 }
1171
1172 static void
1173 togglescrollbars(Client *c, const Arg *arg) {
1174         GtkPolicyType vspolicy;
1175         Arg a;
1176
1177         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL, &vspolicy);
1178
1179         if(vspolicy == GTK_POLICY_AUTOMATIC) {
1180                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1181                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1182         } else {
1183                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1184                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1185                 a.i = +1;
1186                 twitch(c, &a);
1187                 a.i = -1;
1188                 twitch(c, &a);
1189         }
1190 }
1191
1192 static void
1193 togglestyle(Client *c, const Arg *arg) {
1194         WebKitWebSettings *settings;
1195         char *uri;
1196
1197         settings = webkit_web_view_get_settings(c->view);
1198         g_object_get(G_OBJECT(settings), "user-stylesheet-uri", &uri, NULL);
1199         uri = uri[0] ? g_strdup("") : g_strconcat("file://", stylefile, NULL);
1200         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
1201
1202         updatetitle(c);
1203 }
1204
1205 static void
1206 gettogglestat(Client *c){
1207         gboolean value;
1208         char *uri;
1209         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1210
1211         g_object_get(G_OBJECT(settings), "enable-caret-browsing",
1212                         &value, NULL);
1213         togglestat[0] = value? 'C': 'c';
1214
1215         togglestat[1] = allowgeolocation? 'G': 'g';
1216
1217         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1218         togglestat[2] = value? 'I': 'i';
1219
1220         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1221         togglestat[3] = value? 'S': 's';
1222
1223         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1224         togglestat[4] = value? 'V': 'v';
1225
1226         g_object_get(G_OBJECT(settings), "user-stylesheet-uri", &uri, NULL);
1227         togglestat[5] = uri[0] ? 'M': 'm';
1228
1229         togglestat[6] = '\0';
1230 }
1231
1232 static void
1233 getpagestat(Client *c) {
1234         const char *uri = geturi(c);
1235
1236         if(strstr(uri, "https://") == uri) {
1237                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1238         } else {
1239                 pagestat[0] = '-';
1240         }
1241
1242         pagestat[1] = usingproxy ? 'P' : '-';
1243         pagestat[2] = '\0';
1244
1245 }
1246
1247 static void
1248 updatetitle(Client *c) {
1249         char *t;
1250
1251         if(showindicators) {
1252                 gettogglestat(c);
1253                 getpagestat(c);
1254
1255                 if(c->linkhover) {
1256                         t = g_strdup_printf("%s:%s | %s", togglestat,
1257                                         pagestat, c->linkhover);
1258                 } else if(c->progress != 100) {
1259                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1260                                         togglestat, pagestat, c->title);
1261                 } else {
1262                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1263                                         c->title);
1264                 }
1265
1266                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1267                 g_free(t);
1268         } else {
1269                 gtk_window_set_title(GTK_WINDOW(c->win), c->title);
1270         }
1271 }
1272
1273 static void
1274 updatewinid(Client *c) {
1275         snprintf(winid, LENGTH(winid), "%u",
1276                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1277 }
1278
1279 static void
1280 usage(void) {
1281         die("usage: %s [-bBfFgGiIkKnNpPsSvx]"
1282                 " [-c cookiefile] [-e xid] [-r scriptfile]"
1283                 " [-t stylefile] [-u useragent] [uri]\n", basename(argv0));
1284 }
1285
1286 static void
1287 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1288                 JSObjectRef win, Client *c) {
1289         runscript(frame);
1290 }
1291
1292 static void
1293 zoom(Client *c, const Arg *arg) {
1294         c->zoomed = TRUE;
1295         if(arg->i < 0) {
1296                 /* zoom out */
1297                 webkit_web_view_zoom_out(c->view);
1298         } else if(arg->i > 0) {
1299                 /* zoom in */
1300                 webkit_web_view_zoom_in(c->view);
1301         } else {
1302                 /* reset */
1303                 c->zoomed = FALSE;
1304                 webkit_web_view_set_zoom_level(c->view, 1.0);
1305         }
1306 }
1307
1308 int
1309 main(int argc, char *argv[]) {
1310         Arg arg;
1311
1312         memset(&arg, 0, sizeof(arg));
1313
1314         /* command line args */
1315         ARGBEGIN {
1316         case 'b':
1317                 enablescrollbars = 0;
1318                 break;
1319         case 'B':
1320                 enablescrollbars = 1;
1321                 break;
1322         case 'c':
1323                 cookiefile = EARGF(usage());
1324                 break;
1325         case 'e':
1326                 embed = strtol(EARGF(usage()), NULL, 0);
1327                 break;
1328         case 'f':
1329                 runinfullscreen = 1;
1330                 break;
1331         case 'F':
1332                 runinfullscreen = 0;
1333                 break;
1334         case 'g':
1335                 allowgeolocation = 0;
1336                 break;
1337         case 'G':
1338                 allowgeolocation = 1;
1339                 break;
1340         case 'i':
1341                 loadimages = 0;
1342                 break;
1343         case 'I':
1344                 loadimages = 1;
1345                 break;
1346         case 'k':
1347                 kioskmode = 0;
1348                 break;
1349         case 'K':
1350                 kioskmode = 1;
1351                 break;
1352         case 'n':
1353                 enableinspector = 0;
1354                 break;
1355         case 'N':
1356                 enableinspector = 1;
1357                 break;
1358         case 'p':
1359                 enableplugins = 0;
1360                 break;
1361         case 'P':
1362                 enableplugins = 1;
1363                 break;
1364         case 'r':
1365                 scriptfile = EARGF(usage());
1366                 break;
1367         case 's':
1368                 enablescripts = 0;
1369                 break;
1370         case 'S':
1371                 enablescripts = 1;
1372                 break;
1373         case 't':
1374                 stylefile = EARGF(usage());
1375                 break;
1376         case 'u':
1377                 useragent = EARGF(usage());
1378                 break;
1379         case 'v':
1380                 die("surf-"VERSION", ©2009-2012 surf engineers, "
1381                                 "see LICENSE for details\n");
1382         case 'x':
1383                 showxid = TRUE;
1384                 break;
1385         default:
1386                 usage();
1387         } ARGEND;
1388         if(argc > 0)
1389                 arg.v = argv[0];
1390
1391         setup();
1392         newclient();
1393         if(arg.v)
1394                 loaduri(clients, &arg);
1395
1396         gtk_main();
1397         cleanup();
1398
1399         return EXIT_SUCCESS;
1400 }
1401