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