surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <signal.h>
   6 #include <X11/X.h>
   7 #include <X11/Xatom.h>
   8 #include <gtk/gtk.h>
   9 #include <gdk/gdkx.h>
  10 #include <gdk/gdk.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <string.h>
  13 #include <sys/types.h>
  14 #include <sys/wait.h>
  15 #include <unistd.h>
  16 #include <limits.h>
  17 #include <stdlib.h>
  18 #include <stdio.h>
  19 #include <webkit/webkit.h>
  20 #include <glib/gstdio.h>
  21 #include <JavaScriptCore/JavaScript.h>
  22 #include <sys/file.h>
  23 #include <libgen.h>
  24 #include <stdarg.h>
  25
  26 #include "arg.h"
  27
  28 char *argv0;
  29
  30 #define LENGTH(x)               (sizeof x / sizeof x[0])
  31 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  32 #define COOKIEJAR_TYPE          (cookiejar_get_type ())
  33 #define COOKIEJAR(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
  34
  35 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  36
  37 typedef union Arg Arg;
  38 union Arg {
  39         gboolean b;
  40         gint i;
  41         const void *v;
  42 };
  43
  44 typedef struct Client {
  45         GtkWidget *win, *scroll, *vbox, *pane;
  46         WebKitWebView *view;
  47         WebKitWebInspector *inspector;
  48         char *title, *linkhover;
  49         const char *uri, *needle;
  50         gint progress;
  51         struct Client *next;
  52         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  53 } Client;
  54
  55 typedef struct {
  56         guint mod;
  57         guint keyval;
  58         void (*func)(Client *c, const Arg *arg);
  59         const Arg arg;
  60 } Key;
  61
  62 typedef struct {
  63         SoupCookieJarText parent_instance;
  64         int lock;
  65 } CookieJar;
  66
  67 typedef struct {
  68         SoupCookieJarTextClass parent_class;
  69 } CookieJarClass;
  70
  71 G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
  72
  73 static Display *dpy;
  74 static Atom atoms[AtomLast];
  75 static Client *clients = NULL;
  76 static GdkNativeWindow embed = 0;
  77 static gboolean showxid = FALSE;
  78 static char winid[64];
  79 static gboolean usingproxy = 0;
  80 static char togglestat[6];
  81 static char pagestat[3];
  82
  83 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
  84                 WebKitWebResource *r, WebKitNetworkRequest *req,
  85                 WebKitNetworkResponse *resp, gpointer d);
  86 static char *buildpath(const char *path);
  87 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e,
  88                 GList *gl);
  89 static void cleanup(void);
  90 static void clipboard(Client *c, const Arg *arg);
  91
  92 static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
  93                 SoupCookie *new_cookie);
  94 static void cookiejar_finalize(GObject *self);
  95 static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only);
  96 static void cookiejar_set_property(GObject *self, guint prop_id,
  97                 const GValue *value, GParamSpec *pspec);
  98
  99 static char *copystr(char **str, const char *src);
 100 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 101                 Client *c);
 102 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 103                 WebKitNetworkRequest *r, gchar *m,  WebKitWebPolicyDecision *p,
 104                 Client *c);
 105 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 106                 WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
 107                 WebKitWebPolicyDecision *p, Client *c);
 108 static void destroyclient(Client *c);
 109 static void destroywin(GtkWidget* w, Client *c);
 110 static void die(const char *errstr, ...);
 111 static void eval(Client *c, const Arg *arg);
 112 static void find(Client *c, const Arg *arg);
 113 static void fullscreen(Client *c, const Arg *arg);
 114 static const char *getatom(Client *c, int a);
 115 static void gettogglestat(Client *c);
 116 static void getpagestat(Client *c);
 117 static char *geturi(Client *c);
 118 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 119
 120 static void inspector(Client *c, const Arg *arg);
 121 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 122                 Client *c);
 123 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 124 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 125 static void inspector_finished(WebKitWebInspector *i, Client *c);
 126
 127 static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);
 128 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 129                 Client *c);
 130 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 131                 Client *c);
 132 static void loaduri(Client *c, const Arg *arg);
 133 static void navigate(Client *c, const Arg *arg);
 134 static Client *newclient(void);
 135 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 136 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 137 static void populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c);
 138 static void popupactivate(GtkMenuItem *menu, Client *);
 139 static void print(Client *c, const Arg *arg);
 140 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 141                 gpointer d);
 142 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 143 static void reload(Client *c, const Arg *arg);
 144 static void scroll_h(Client *c, const Arg *arg);
 145 static void scroll_v(Client *c, const Arg *arg);
 146 static void scroll(GtkAdjustment *a, const Arg *arg);
 147 static void setatom(Client *c, int a, const char *v);
 148 static void setup(void);
 149 static void sigchld(int unused);
 150 static void source(Client *c, const Arg *arg);
 151 static void spawn(Client *c, const Arg *arg);
 152 static void stop(Client *c, const Arg *arg);
 153 static void titlechange(WebKitWebView *v, WebKitWebFrame *frame,
 154                 const char *title, Client *c);
 155 static void toggle(Client *c, const Arg *arg);
 156 static void togglescrollbars(Client *c, const Arg *arg);
 157 static void togglestyle(Client *c, const Arg *arg);
 158 static void update(Client *c);
 159 static void updatewinid(Client *c);
 160 static void usage(void);
 161 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 162                 JSContextRef js, JSObjectRef win, Client *c);
 163 static void zoom(Client *c, const Arg *arg);
 164
 165 /* configuration, allows nested code to access above variables */
 166 #include "config.h"
 167
 168 static void
 169 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 170                 WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 171                 gpointer d) {
 172         const gchar *uri = webkit_network_request_get_uri(req);
 173
 174         if(g_str_has_suffix(uri, "/favicon.ico"))
 175                 webkit_network_request_set_uri(req, "about:blank");
 176 }
 177
 178 static char *
 179 buildpath(const char *path) {
 180         char *apath, *p;
 181         FILE *f;
 182
 183         /* creating directory */
 184         if(path[0] == '/') {
 185                 apath = g_strdup(path);
 186         } else if(path[0] == '~') {
 187                 if(path[1] == '/') {
 188                         apath = g_strconcat(g_get_home_dir(), &path[1], NULL);
 189                 } else {
 190                         apath = g_strconcat(g_get_home_dir(), "/",
 191                                         &path[1], NULL);
 192                 }
 193         } else {
 194                 apath = g_strconcat(g_get_current_dir(), "/", path, NULL);
 195         }
 196
 197         if((p = strrchr(apath, '/'))) {
 198                 *p = '\0';
 199                 g_mkdir_with_parents(apath, 0700);
 200                 g_chmod(apath, 0700); /* in case it existed */
 201                 *p = '/';
 202         }
 203         /* creating file (gives error when apath ends with "/") */
 204         if((f = fopen(apath, "a"))) {
 205                 g_chmod(apath, 0600); /* always */
 206                 fclose(f);
 207         }
 208
 209         return apath;
 210 }
 211
 212 static gboolean
 213 buttonrelease(WebKitWebView *web, GdkEventButton *e, GList *gl) {
 214         WebKitHitTestResultContext context;
 215         WebKitHitTestResult *result = webkit_web_view_get_hit_test_result(web,
 216                         e);
 217         Arg arg;
 218
 219         g_object_get(result, "context", &context, NULL);
 220         if(context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK) {
 221                 if(e->button == 2) {
 222                         g_object_get(result, "link-uri", &arg.v, NULL);
 223                         newwindow(NULL, &arg, e->state & GDK_CONTROL_MASK);
 224                         return true;
 225                 }
 226         }
 227         return false;
 228 }
 229
 230 static void
 231 cleanup(void) {
 232         while(clients)
 233                 destroyclient(clients);
 234         g_free(cookiefile);
 235         g_free(scriptfile);
 236         g_free(stylefile);
 237 }
 238
 239 static void
 240 cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 241                 SoupCookie *new_cookie) {
 242         flock(COOKIEJAR(self)->lock, LOCK_EX);
 243         if(new_cookie && !new_cookie->expires && sessiontime) {
 244                 soup_cookie_set_expires(new_cookie,
 245                                 soup_date_new_from_now(sessiontime));
 246         }
 247         SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
 248                         old_cookie, new_cookie);
 249         flock(COOKIEJAR(self)->lock, LOCK_UN);
 250 }
 251
 252 static void
 253 cookiejar_class_init(CookieJarClass *klass) {
 254         SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
 255         G_OBJECT_CLASS(klass)->get_property =
 256                 G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
 257         G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
 258         G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
 259         g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
 260 }
 261
 262 static void
 263 cookiejar_finalize(GObject *self) {
 264         close(COOKIEJAR(self)->lock);
 265         G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
 266 }
 267
 268 static void
 269 cookiejar_init(CookieJar *self) {
 270         self->lock = open(cookiefile, 0);
 271 }
 272
 273 static SoupCookieJar *
 274 cookiejar_new(const char *filename, gboolean read_only) {
 275         return g_object_new(COOKIEJAR_TYPE,
 276                             SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
 277                             SOUP_COOKIE_JAR_READ_ONLY, read_only, NULL);
 278 }
 279
 280 static void
 281 cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
 282                 GParamSpec *pspec) {
 283         flock(COOKIEJAR(self)->lock, LOCK_SH);
 284         G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
 285                         value, pspec);
 286         flock(COOKIEJAR(self)->lock, LOCK_UN);
 287 }
 288
 289 static void
 290 evalscript(JSContextRef js, char *script, char* scriptname) {
 291         JSStringRef jsscript, jsscriptname;
 292         JSValueRef exception = NULL;
 293
 294         jsscript = JSStringCreateWithUTF8CString(script);
 295         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 296         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 297                         jsscriptname, 0, &exception);
 298         JSStringRelease(jsscript);
 299         JSStringRelease(jsscriptname);
 300 }
 301
 302 static void
 303 runscript(WebKitWebFrame *frame) {
 304         char *script;
 305         GError *error;
 306
 307         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 308                 evalscript(webkit_web_frame_get_global_context(frame),
 309                                 script, scriptfile);
 310         }
 311 }
 312
 313 static void
 314 clipboard(Client *c, const Arg *arg) {
 315         gboolean paste = *(gboolean *)arg;
 316
 317         if(paste) {
 318                 gtk_clipboard_request_text(
 319                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 320                                 pasteuri, c);
 321         } else {
 322                 gtk_clipboard_set_text(
 323                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 324                                 c->linkhover ? c->linkhover : geturi(c), -1);
 325         }
 326 }
 327
 328 static char *
 329 copystr(char **str, const char *src) {
 330         char *tmp;
 331         tmp = g_strdup(src);
 332
 333         if(str && *str) {
 334                 g_free(*str);
 335                 *str = tmp;
 336         }
 337         return tmp;
 338 }
 339
 340 static WebKitWebView *
 341 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 342         Client *n = newclient();
 343         return n->view;
 344 }
 345
 346 static gboolean
 347 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 348                 gchar *m,  WebKitWebPolicyDecision *p, Client *c) {
 349         if(!webkit_web_view_can_show_mime_type(v, m)) {
 350                 webkit_web_policy_decision_download(p);
 351                 return TRUE;
 352         }
 353         return FALSE;
 354 }
 355
 356 static gboolean
 357 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 358                 WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 359                 Client *c) {
 360         Arg arg;
 361
 362         if(webkit_web_navigation_action_get_reason(n) ==
 363                         WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 364                 webkit_web_policy_decision_ignore(p);
 365                 arg.v = (void *)webkit_network_request_get_uri(r);
 366                 newwindow(NULL, &arg, 0);
 367                 return TRUE;
 368         }
 369         return FALSE;
 370 }
 371
 372 static void
 373 destroyclient(Client *c) {
 374         Client *p;
 375
 376         webkit_web_view_stop_loading(c->view);
 377         gtk_widget_destroy(GTK_WIDGET(c->view));
 378         gtk_widget_destroy(c->scroll);
 379         gtk_widget_destroy(c->vbox);
 380         gtk_widget_destroy(c->win);
 381
 382         for(p = clients; p && p->next != c; p = p->next);
 383         if(p) {
 384                 p->next = c->next;
 385         } else {
 386                 clients = c->next;
 387         }
 388         free(c);
 389         if(clients == NULL)
 390                 gtk_main_quit();
 391 }
 392
 393 static void
 394 destroywin(GtkWidget* w, Client *c) {
 395         destroyclient(c);
 396 }
 397
 398 static void
 399 die(const char *errstr, ...) {
 400         va_list ap;
 401
 402         va_start(ap, errstr);
 403         vfprintf(stderr, errstr, ap);
 404         va_end(ap);
 405         exit(EXIT_FAILURE);
 406 }
 407
 408 static void
 409 find(Client *c, const Arg *arg) {
 410         const char *s;
 411
 412         s = getatom(c, AtomFind);
 413         gboolean forward = *(gboolean *)arg;
 414         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 415 }
 416
 417 static void
 418 fullscreen(Client *c, const Arg *arg) {
 419         if(c->fullscreen) {
 420                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 421         } else {
 422                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 423         }
 424         c->fullscreen = !c->fullscreen;
 425 }
 426
 427 static const char *
 428 getatom(Client *c, int a) {
 429         static char buf[BUFSIZ];
 430         Atom adummy;
 431         int idummy;
 432         unsigned long ldummy;
 433         unsigned char *p = NULL;
 434
 435         XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 436                         atoms[a], 0L, BUFSIZ, False, XA_STRING,
 437                         &adummy, &idummy, &ldummy, &ldummy, &p);
 438         if(p) {
 439                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 440         } else {
 441                 buf[0] = '\0';
 442         }
 443         XFree(p);
 444
 445         return buf;
 446 }
 447
 448 static char *
 449 geturi(Client *c) {
 450         char *uri;
 451
 452         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 453                 uri = "about:blank";
 454         return uri;
 455 }
 456
 457 static gboolean
 458 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 459         Arg arg;
 460
 461         updatewinid(c);
 462         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 463         spawn(c, &arg);
 464         return FALSE;
 465 }
 466
 467 static void
 468 inspector(Client *c, const Arg *arg) {
 469         if(c->isinspecting) {
 470                 webkit_web_inspector_close(c->inspector);
 471         } else {
 472                 webkit_web_inspector_show(c->inspector);
 473         }
 474 }
 475
 476 static WebKitWebView *
 477 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c) {
 478         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 479 }
 480
 481 static gboolean
 482 inspector_show(WebKitWebInspector *i, Client *c) {
 483         WebKitWebView *w;
 484
 485         if(c->isinspecting)
 486                 return false;
 487
 488         w = webkit_web_inspector_get_web_view(i);
 489         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 490         gtk_widget_show(GTK_WIDGET(w));
 491         c->isinspecting = true;
 492
 493         return true;
 494 }
 495
 496 static gboolean
 497 inspector_close(WebKitWebInspector *i, Client *c) {
 498         GtkWidget *w;
 499
 500         if(!c->isinspecting)
 501                 return false;
 502
 503         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 504         gtk_widget_hide(w);
 505         gtk_widget_destroy(w);
 506         c->isinspecting = false;
 507
 508         return true;
 509 }
 510
 511 static void
 512 inspector_finished(WebKitWebInspector *i, Client *c) {
 513         g_free(c->inspector);
 514 }
 515
 516 static gboolean
 517 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 518         guint i;
 519         gboolean processed = FALSE;
 520
 521         updatewinid(c);
 522         for(i = 0; i < LENGTH(keys); i++) {
 523                 if(gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
 524                                 && CLEANMASK(ev->state) == keys[i].mod
 525                                 && keys[i].func) {
 526                         keys[i].func(c, &(keys[i].arg));
 527                         processed = TRUE;
 528                 }
 529         }
 530
 531         return processed;
 532 }
 533
 534 static void
 535 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 536         if(l) {
 537                 c->linkhover = copystr(&c->linkhover, l);
 538         } else if(c->linkhover) {
 539                 free(c->linkhover);
 540                 c->linkhover = NULL;
 541         }
 542         update(c);
 543 }
 544
 545 static void
 546 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 547         WebKitWebFrame *frame;
 548         WebKitWebDataSource *src;
 549         WebKitNetworkRequest *request;
 550         SoupMessage *msg;
 551         char *uri;
 552
 553         switch(webkit_web_view_get_load_status (c->view)) {
 554         case WEBKIT_LOAD_COMMITTED:
 555                 uri = geturi(c);
 556                 if(strstr(uri, "https://") == uri) {
 557                         frame = webkit_web_view_get_main_frame(c->view);
 558                         src = webkit_web_frame_get_data_source(frame);
 559                         request = webkit_web_data_source_get_request(src);
 560                         msg = webkit_network_request_get_message(request);
 561                         c->sslfailed = soup_message_get_flags(msg)
 562                                        ^ SOUP_MESSAGE_CERTIFICATE_TRUSTED;
 563                 }
 564                 setatom(c, AtomUri, uri);
 565                 break;
 566         case WEBKIT_LOAD_FINISHED:
 567                 c->progress = 100;
 568                 update(c);
 569                 break;
 570         default:
 571                 break;
 572         }
 573 }
 574
 575 static void
 576 loaduri(Client *c, const Arg *arg) {
 577         char *u, *rp;
 578         const char *uri = (char *)arg->v;
 579         Arg a = { .b = FALSE };
 580
 581         if(strcmp(uri, "") == 0)
 582                 return;
 583
 584         /* In case it's a file path. */
 585         if(uri[0] == '/') {
 586                 rp = realpath(uri, NULL);
 587                 u = g_strdup_printf("file://%s", rp);
 588                 free(rp);
 589         } else {
 590                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 591                         : g_strdup_printf("http://%s", uri);
 592         }
 593
 594         /* prevents endless loop */
 595         if(c->uri && strcmp(u, c->uri) == 0) {
 596                 reload(c, &a);
 597         } else {
 598                 webkit_web_view_load_uri(c->view, u);
 599                 c->progress = 0;
 600                 c->title = copystr(&c->title, u);
 601                 g_free(u);
 602                 update(c);
 603         }
 604 }
 605
 606 static void
 607 navigate(Client *c, const Arg *arg) {
 608         int steps = *(int *)arg;
 609         webkit_web_view_go_back_or_forward(c->view, steps);
 610 }
 611
 612 static Client *
 613 newclient(void) {
 614         Client *c;
 615         WebKitWebSettings *settings;
 616         WebKitWebFrame *frame;
 617         GdkGeometry hints = { 1, 1 };
 618         char *uri, *ua;
 619
 620         if(!(c = calloc(1, sizeof(Client))))
 621                 die("Cannot malloc!\n");
 622
 623         /* Window */
 624         if(embed) {
 625                 c->win = gtk_plug_new(embed);
 626         } else {
 627                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 628
 629                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 630                  * is always correct, so we should still call this function.
 631                  * But when doing so, we *must* differentiate between a
 632                  * WM_CLASS and a resource on the window.  By convention, the
 633                  * window class (WM_CLASS) is capped, while the resource is in
 634                  * lowercase.   Both these values come as a pair.
 635                  */
 636                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 637
 638                 /* TA:  20091214:  And set the role here as well -- so that
 639                  * sessions can pick this up.
 640                  */
 641                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 642         }
 643         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 644         g_signal_connect(G_OBJECT(c->win),
 645                         "destroy",
 646                         G_CALLBACK(destroywin), c);
 647         g_signal_connect(G_OBJECT(c->win),
 648                         "key-press-event",
 649                         G_CALLBACK(keypress), c);
 650
 651         /* Pane */
 652         c->pane = gtk_vpaned_new();
 653
 654         /* VBox */
 655         c->vbox = gtk_vbox_new(FALSE, 0);
 656         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 657
 658         /* Webview */
 659         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 660
 661         g_signal_connect(G_OBJECT(c->view),
 662                         "title-changed",
 663                         G_CALLBACK(titlechange), c);
 664         g_signal_connect(G_OBJECT(c->view),
 665                         "hovering-over-link",
 666                         G_CALLBACK(linkhover), c);
 667         g_signal_connect(G_OBJECT(c->view),
 668                         "create-web-view",
 669                         G_CALLBACK(createwindow), c);
 670         g_signal_connect(G_OBJECT(c->view),
 671                         "new-window-policy-decision-requested",
 672                         G_CALLBACK(decidewindow), c);
 673         g_signal_connect(G_OBJECT(c->view),
 674                         "mime-type-policy-decision-requested",
 675                         G_CALLBACK(decidedownload), c);
 676         g_signal_connect(G_OBJECT(c->view),
 677                         "window-object-cleared",
 678                         G_CALLBACK(windowobjectcleared), c);
 679         g_signal_connect(G_OBJECT(c->view),
 680                         "notify::load-status",
 681                         G_CALLBACK(loadstatuschange), c);
 682         g_signal_connect(G_OBJECT(c->view),
 683                         "notify::progress",
 684                         G_CALLBACK(progresschange), c);
 685         g_signal_connect(G_OBJECT(c->view),
 686                         "download-requested",
 687                         G_CALLBACK(initdownload), c);
 688         g_signal_connect(G_OBJECT(c->view),
 689                         "button-release-event",
 690                         G_CALLBACK(buttonrelease), c);
 691         g_signal_connect(G_OBJECT(c->view),
 692                         "populate-popup",
 693                         G_CALLBACK(populatepopup), c);
 694         g_signal_connect(G_OBJECT(c->view),
 695                         "resource-request-starting",
 696                         G_CALLBACK(beforerequest), c);
 697
 698         /* Scrolled Window */
 699         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 700
 701         frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(c->view));
 702         g_signal_connect(G_OBJECT(frame), "scrollbars-policy-changed",
 703                         G_CALLBACK(gtk_true), NULL);
 704
 705         if(!enablescrollbars) {
 706                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 707                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 708         } else {
 709                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 710                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 711         }
 712
 713         /* Arranging */
 714         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 715         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 716         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 717
 718         /* Setup */
 719         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE,
 720                         TRUE, 0, GTK_PACK_START);
 721         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 722         gtk_widget_show(c->pane);
 723         gtk_widget_show(c->vbox);
 724         gtk_widget_show(c->scroll);
 725         gtk_widget_show(GTK_WIDGET(c->view));
 726         gtk_widget_show(c->win);
 727         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 728                         GDK_HINT_MIN_SIZE);
 729         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 730         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 731         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 732
 733         runscript(frame);
 734
 735         settings = webkit_web_view_get_settings(c->view);
 736         if(!(ua = getenv("SURF_USERAGENT")))
 737                 ua = useragent;
 738         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
 739         uri = g_strconcat("file://", stylefile, NULL);
 740         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 741         g_object_set(G_OBJECT(settings), "auto-load-images", loadimages,
 742                         NULL);
 743         g_object_set(G_OBJECT(settings), "enable-plugins", enableplugins,
 744                         NULL);
 745         g_object_set(G_OBJECT(settings), "enable-scripts", enablescripts,
 746                         NULL);
 747         g_object_set(G_OBJECT(settings), "enable-spatial-navigation",
 748                         enablespatialbrowsing, NULL);
 749         g_object_set(G_OBJECT(settings), "enable-developer-extras",
 750                         enableinspector, NULL);
 751
 752         if(enableinspector) {
 753                 c->inspector = WEBKIT_WEB_INSPECTOR(
 754                                 webkit_web_view_get_inspector(c->view));
 755                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
 756                                 G_CALLBACK(inspector_new), c);
 757                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
 758                                 G_CALLBACK(inspector_show), c);
 759                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
 760                                 G_CALLBACK(inspector_close), c);
 761                 g_signal_connect(G_OBJECT(c->inspector), "finished",
 762                                 G_CALLBACK(inspector_finished), c);
 763                 c->isinspecting = false;
 764         }
 765
 766         g_free(uri);
 767
 768         setatom(c, AtomFind, "");
 769         setatom(c, AtomUri, "about:blank");
 770         if(hidebackground)
 771                 webkit_web_view_set_transparent(c->view, TRUE);
 772
 773         c->title = NULL;
 774         c->next = clients;
 775         clients = c;
 776
 777         if(showxid) {
 778                 gdk_display_sync(gtk_widget_get_display(c->win));
 779                 printf("%u\n",
 780                         (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 781                 fflush(NULL);
 782                 if (fclose(stdout) != 0) {
 783                         die("Error closing stdout");
 784                 }
 785         }
 786
 787         return c;
 788 }
 789
 790 static void
 791 newwindow(Client *c, const Arg *arg, gboolean noembed) {
 792         guint i = 0;
 793         const char *cmd[11], *uri;
 794         const Arg a = { .v = (void *)cmd };
 795         char tmp[64];
 796
 797         cmd[i++] = argv0;
 798         if(!enablescrollbars)
 799                 cmd[i++] = "-b";
 800         if(embed && !noembed) {
 801                 cmd[i++] = "-e";
 802                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 803                 cmd[i++] = tmp;
 804         }
 805         if(!loadimages)
 806                 cmd[i++] = "-i";
 807         if(!enableplugins)
 808                 cmd[i++] = "-p";
 809         if(!enablescripts)
 810                 cmd[i++] = "-s";
 811         if(showxid)
 812                 cmd[i++] = "-x";
 813         cmd[i++] = "--";
 814         uri = arg->v ? (char *)arg->v : c->linkhover;
 815         if(uri)
 816                 cmd[i++] = uri;
 817         cmd[i++] = NULL;
 818         spawn(NULL, &a);
 819 }
 820
 821 static void
 822 populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c) {
 823         GList *items = gtk_container_get_children(GTK_CONTAINER(menu));
 824
 825         for(GList *l = items; l; l = l->next) {
 826                 g_signal_connect(l->data, "activate", G_CALLBACK(popupactivate), c);
 827         }
 828
 829         g_list_free(items);
 830 }
 831
 832 static void
 833 popupactivate(GtkMenuItem *menu, Client *c) {
 834         /*
 835          * context-menu-action-2000     open link
 836          * context-menu-action-1        open link in window
 837          * context-menu-action-2        download linked file
 838          * context-menu-action-3        copy link location
 839          * context-menu-action-13       reload
 840          * context-menu-action-10       back
 841          * context-menu-action-11       forward
 842          * context-menu-action-12       stop
 843          */
 844
 845         GtkAction *a = NULL;
 846         const char *name;
 847         GtkClipboard *prisel;
 848
 849         a = gtk_activatable_get_related_action(GTK_ACTIVATABLE(menu));
 850         if(a == NULL)
 851                 return;
 852
 853         name = gtk_action_get_name(a);
 854         if(!g_strcmp0(name, "context-menu-action-3")) {
 855                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 856                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
 857         }
 858 }
 859
 860 static void
 861 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
 862         Arg arg = {.v = text };
 863         if(text != NULL)
 864                 loaduri((Client *) d, &arg);
 865 }
 866
 867 static void
 868 print(Client *c, const Arg *arg) {
 869         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 870 }
 871
 872 static GdkFilterReturn
 873 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 874         Client *c = (Client *)d;
 875         XPropertyEvent *ev;
 876         Arg arg;
 877
 878         if(((XEvent *)e)->type == PropertyNotify) {
 879                 ev = &((XEvent *)e)->xproperty;
 880                 if(ev->state == PropertyNewValue) {
 881                         if(ev->atom == atoms[AtomFind]) {
 882                                 arg.b = TRUE;
 883                                 find(c, &arg);
 884                                 return GDK_FILTER_REMOVE;
 885                         }
 886                         else if(ev->atom == atoms[AtomGo]) {
 887                                 arg.v = getatom(c, AtomGo);
 888                                 loaduri(c, &arg);
 889                                 return GDK_FILTER_REMOVE;
 890                         }
 891                 }
 892         }
 893         return GDK_FILTER_CONTINUE;
 894 }
 895
 896 static void
 897 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 898         c->progress = webkit_web_view_get_progress(c->view) * 100;
 899         update(c);
 900 }
 901
 902 static void
 903 reload(Client *c, const Arg *arg) {
 904         gboolean nocache = *(gboolean *)arg;
 905         if(nocache) {
 906                  webkit_web_view_reload_bypass_cache(c->view);
 907         } else {
 908                  webkit_web_view_reload(c->view);
 909         }
 910 }
 911
 912 static void
 913 scroll_h(Client *c, const Arg *arg) {
 914         scroll(gtk_scrolled_window_get_hadjustment(
 915                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
 916 }
 917
 918 static void
 919 scroll_v(Client *c, const Arg *arg) {
 920         scroll(gtk_scrolled_window_get_vadjustment(
 921                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
 922 }
 923
 924 static void
 925 scroll(GtkAdjustment *a, const Arg *arg) {
 926         gdouble v;
 927
 928         v = gtk_adjustment_get_value(a);
 929         switch (arg->i){
 930         case +10000:
 931         case -10000:
 932                 v += gtk_adjustment_get_page_increment(a) *
 933                         (arg->i / 10000);
 934                 break;
 935         case +20000:
 936         case -20000:
 937         default:
 938                 v += gtk_adjustment_get_step_increment(a) * arg->i;
 939         }
 940
 941         v = MAX(v, 0.0);
 942         v = MIN(v, gtk_adjustment_get_upper(a) -
 943                         gtk_adjustment_get_page_size(a));
 944         gtk_adjustment_set_value(a, v);
 945 }
 946
 947 static void
 948 setatom(Client *c, int a, const char *v) {
 949         XSync(dpy, False);
 950         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 951                         atoms[a], XA_STRING, 8, PropModeReplace,
 952                         (unsigned char *)v, strlen(v) + 1);
 953 }
 954
 955 static void
 956 setup(void) {
 957         char *proxy;
 958         char *new_proxy;
 959         SoupURI *puri;
 960         SoupSession *s;
 961
 962         /* clean up any zombies immediately */
 963         sigchld(0);
 964         gtk_init(NULL, NULL);
 965
 966         dpy = GDK_DISPLAY();
 967
 968         /* atoms */
 969         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
 970         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
 971         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
 972
 973         /* dirs and files */
 974         cookiefile = buildpath(cookiefile);
 975         scriptfile = buildpath(scriptfile);
 976         stylefile = buildpath(stylefile);
 977
 978         /* request handler */
 979         s = webkit_get_default_session();
 980
 981         /* cookie jar */
 982         soup_session_add_feature(s,
 983                         SOUP_SESSION_FEATURE(cookiejar_new(cookiefile,
 984                                         FALSE)));
 985
 986         /* ssl */
 987         g_object_set(G_OBJECT(s), "ssl-ca-file", cafile, NULL);
 988         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
 989
 990         /* proxy */
 991         if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
 992                 new_proxy = g_strrstr(proxy, "http://") ? g_strdup(proxy) :
 993                         g_strdup_printf("http://%s", proxy);
 994                 puri = soup_uri_new(new_proxy);
 995                 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
 996                 soup_uri_free(puri);
 997                 g_free(new_proxy);
 998                 usingproxy = 1;
 999         }
1000 }
1001
1002 static void
1003 sigchld(int unused) {
1004         if(signal(SIGCHLD, sigchld) == SIG_ERR)
1005                 die("Can't install SIGCHLD handler");
1006         while(0 < waitpid(-1, NULL, WNOHANG));
1007 }
1008
1009 static void
1010 source(Client *c, const Arg *arg) {
1011         Arg a = { .b = FALSE };
1012         gboolean s;
1013
1014         s = webkit_web_view_get_view_source_mode(c->view);
1015         webkit_web_view_set_view_source_mode(c->view, !s);
1016         reload(c, &a);
1017 }
1018
1019 static void
1020 spawn(Client *c, const Arg *arg) {
1021         if(fork() == 0) {
1022                 if(dpy)
1023                         close(ConnectionNumber(dpy));
1024                 setsid();
1025                 execvp(((char **)arg->v)[0], (char **)arg->v);
1026                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1027                 perror(" failed");
1028                 exit(0);
1029         }
1030 }
1031
1032 static void
1033 eval(Client *c, const Arg *arg) {
1034         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1035         evalscript(webkit_web_frame_get_global_context(frame),
1036                         ((char **)arg->v)[0], "");
1037 }
1038
1039 static void
1040 stop(Client *c, const Arg *arg) {
1041         webkit_web_view_stop_loading(c->view);
1042 }
1043
1044 static void
1045 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
1046         c->title = copystr(&c->title, t);
1047         update(c);
1048 }
1049
1050 static void
1051 toggle(Client *c, const Arg *arg) {
1052         WebKitWebSettings *settings;
1053         char *name = (char *)arg->v;
1054         gboolean value;
1055         Arg a = { .b = FALSE };
1056
1057         settings = webkit_web_view_get_settings(c->view);
1058         g_object_get(G_OBJECT(settings), name, &value, NULL);
1059         g_object_set(G_OBJECT(settings), name, !value, NULL);
1060
1061         reload(c,&a);
1062 }
1063
1064 static void
1065 twitch(Client *c, const Arg *arg) {
1066         GtkAdjustment *a;
1067         gdouble v;
1068
1069         a = gtk_scrolled_window_get_vadjustment(
1070                         GTK_SCROLLED_WINDOW(c->scroll));
1071
1072         v = gtk_adjustment_get_value(a);
1073
1074         v += arg->i;
1075
1076         v = MAX(v, 0.0);
1077         v = MIN(v, gtk_adjustment_get_upper(a) -
1078                         gtk_adjustment_get_page_size(a));
1079         gtk_adjustment_set_value(a, v);
1080 }
1081
1082 static void
1083 togglescrollbars(Client *c, const Arg *arg) {
1084         GtkPolicyType vspolicy;
1085         Arg a;
1086
1087         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL, &vspolicy);
1088
1089         if(vspolicy == GTK_POLICY_AUTOMATIC) {
1090                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1091                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1092         } else {
1093                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1094                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1095                 a.i = +1;
1096                 twitch(c, &a);
1097                 a.i = -1;
1098                 twitch(c, &a);
1099         }
1100 }
1101
1102 static void
1103 togglestyle(Client *c, const Arg *arg) {
1104         WebKitWebSettings *settings;
1105         char *uri;
1106
1107         settings = webkit_web_view_get_settings(c->view);
1108         g_object_get(G_OBJECT(settings), "user-stylesheet-uri", &uri, NULL);
1109         uri = uri[0] ? g_strdup("") : g_strconcat("file://", stylefile, NULL);
1110         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
1111
1112         update(c);
1113 }
1114
1115 static void
1116 gettogglestat(Client *c){
1117         gboolean value;
1118         char *uri;
1119         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1120
1121         g_object_get(G_OBJECT(settings), "enable-caret-browsing",
1122                         &value, NULL);
1123         togglestat[0] = value? 'C': 'c';
1124
1125         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1126         togglestat[1] = value? 'I': 'i';
1127
1128         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1129         togglestat[2] = value? 'S': 's';
1130
1131         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1132         togglestat[3] = value? 'V': 'v';
1133
1134         g_object_get(G_OBJECT(settings), "user-stylesheet-uri", &uri, NULL);
1135         togglestat[4] = uri[0] ? 'M': 'm';
1136
1137         togglestat[5] = '\0';
1138 }
1139
1140 static void
1141 getpagestat(Client *c) {
1142         const char *uri = geturi(c);
1143
1144         if(strstr(uri, "https://") == uri) {
1145                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1146         } else {
1147                 pagestat[0] = '-';
1148         }
1149
1150         pagestat[1] = usingproxy ? 'P' : '-';
1151         pagestat[2] = '\0';
1152
1153 }
1154
1155 static void
1156 update(Client *c) {
1157         char *t;
1158
1159         gettogglestat(c);
1160         getpagestat(c);
1161
1162         if(c->linkhover) {
1163                 t = g_strdup_printf("%s:%s | %s", togglestat, pagestat, c->linkhover);
1164         } else if(c->progress != 100) {
1165                 t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress, togglestat,
1166                         pagestat, c->title);
1167         } else {
1168                 t = g_strdup_printf("%s:%s | %s", togglestat, pagestat, c->title);
1169         }
1170
1171         gtk_window_set_title(GTK_WINDOW(c->win), t);
1172         g_free(t);
1173 }
1174
1175 static void
1176 updatewinid(Client *c) {
1177         snprintf(winid, LENGTH(winid), "%u",
1178                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1179 }
1180
1181 static void
1182 usage(void) {
1183         die("usage: %s [-binpsvx] [-c cookiefile] [-e xid] [-r scriptfile]"
1184                 " [-t stylefile] [-u useragent] [uri]\n", basename(argv0));
1185 }
1186
1187 static void
1188 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1189                 JSObjectRef win, Client *c) {
1190         runscript(frame);
1191 }
1192
1193 static void
1194 zoom(Client *c, const Arg *arg) {
1195         c->zoomed = TRUE;
1196         if(arg->i < 0) {
1197                 /* zoom out */
1198                 webkit_web_view_zoom_out(c->view);
1199         } else if(arg->i > 0) {
1200                 /* zoom in */
1201                 webkit_web_view_zoom_in(c->view);
1202         } else {
1203                 /* reset */
1204                 c->zoomed = FALSE;
1205                 webkit_web_view_set_zoom_level(c->view, 1.0);
1206         }
1207 }
1208
1209 int
1210 main(int argc, char *argv[]) {
1211         Arg arg;
1212
1213         memset(&arg, 0, sizeof(arg));
1214
1215         /* command line args */
1216         ARGBEGIN {
1217         case 'b':
1218                 enablescrollbars = 0;
1219                 break;
1220         case 'c':
1221                 cookiefile = EARGF(usage());
1222                 break;
1223         case 'e':
1224                 embed = strtol(EARGF(usage()), NULL, 0);
1225                 break;
1226         case 'i':
1227                 loadimages = 0;
1228                 break;
1229         case 'n':
1230                 enableinspector = 0;
1231                 break;
1232         case 'p':
1233                 enableplugins = 0;
1234                 break;
1235         case 'r':
1236                 scriptfile = EARGF(usage());
1237                 break;
1238         case 's':
1239                 enablescripts = 0;
1240                 break;
1241         case 't':
1242                 stylefile = EARGF(usage());
1243                 break;
1244         case 'u':
1245                 useragent = EARGF(usage());
1246                 break;
1247         case 'v':
1248                 die("surf-"VERSION", ©2009-2012 surf engineers, "
1249                                 "see LICENSE for details\n");
1250         case 'x':
1251                 showxid = TRUE;
1252                 break;
1253         default:
1254                 usage();
1255         } ARGEND;
1256         if(argc > 0)
1257                 arg.v = argv[0];
1258
1259         setup();
1260         newclient();
1261         if(arg.v)
1262                 loaduri(clients, &arg);
1263
1264         gtk_main();
1265         cleanup();
1266
1267         return EXIT_SUCCESS;
1268 }
1269