Adapt navigate()
[surf.git] / surf.c
1 /* See LICENSE file for copyright and license details.
2  *
3  * To understand surf, start reading main().
4  */
5 #include <signal.h>
6 #include <X11/X.h>
7 #include <X11/Xatom.h>
8 #include <gtk/gtkx.h>
9 #include <gtk/gtk.h>
10 #include <gdk/gdkx.h>
11 #include <gdk/gdk.h>
12 #include <gdk/gdkkeysyms.h>
13 #include <string.h>
14 #include <sys/types.h>
15 #include <sys/wait.h>
16 #include <unistd.h>
17 #include <limits.h>
18 #include <stdlib.h>
19 #include <stdio.h>
20 #include <webkit2/webkit2.h>
21 #include <glib/gstdio.h>
22 #include <JavaScriptCore/JavaScript.h>
23 #include <sys/file.h>
24 #include <libgen.h>
25 #include <stdarg.h>
26 #include <regex.h>
27 #include <pwd.h>
28 #include <string.h>
29
30 #include "arg.h"
31
32 char *argv0;
33
34 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
36
37 enum { AtomFind, AtomGo, AtomUri, AtomLast };
38
39 enum {
40         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
41         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
42         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
43         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
44         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
45         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
46         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
47         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
48 };
49
50 typedef union Arg Arg;
51 union Arg {
52         gboolean b;
53         gint i;
54         const void *v;
55 };
56
57 typedef struct Client {
58         GtkWidget *win;
59         Window xid;
60         WebKitWebView *view;
61         WebKitWebInspector *inspector;
62         WebKitHitTestResult *mousepos;
63         GTlsCertificateFlags tlsflags;
64         const char *title, *targeturi;
65         const char *needle;
66         gint progress;
67         struct Client *next;
68         gboolean zoomed, fullscreen;
69 } Client;
70
71 typedef struct {
72         guint mod;
73         guint keyval;
74         void (*func)(Client *c, const Arg *arg);
75         const Arg arg;
76 } Key;
77
78 typedef struct {
79         unsigned int target;
80         unsigned int mask;
81         guint button;
82         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
83         const Arg arg;
84         unsigned int stopevent;
85 } Button;
86
87 typedef struct {
88         char *regex;
89         char *style;
90         regex_t re;
91 } SiteStyle;
92
93 static Display *dpy;
94 static Atom atoms[AtomLast];
95 static Client *clients = NULL;
96 static Window embed = 0;
97 static gboolean showxid = FALSE;
98 static char winid[64];
99 static char togglestat[9];
100 static char pagestat[3];
101 static GTlsDatabase *tlsdb;
102 static int cookiepolicy;
103 static char *stylefile = NULL;
104
105 static void addaccelgroup(Client *c);
106 static char *buildfile(const char *path);
107 static char *buildpath(const char *path);
108 static gboolean buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c);
109 static void cleanup(void);
110 static void clipboard(Client *c, const Arg *a);
111
112 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
113 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
114
115 static char *copystr(char **str, const char *src);
116 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
117                 Client *c);
118 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
119     WebKitPolicyDecisionType dt, Client *c);
120 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
121 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
122 static void decideresource(WebKitPolicyDecision *d, Client *c);
123 static void closeview(WebKitWebView *v, Client *c);
124 static void destroyclient(Client *c);
125 static void destroywin(GtkWidget* w, Client *c);
126 static void die(const char *errstr, ...);
127 static void evalscript(Client *c, const char *jsstr, ...);
128 static void runscript(Client *c);
129 static void find(Client *c, const Arg *arg);
130 static void togglefullscreen(Client *c, const Arg *a);
131 static gboolean permissionrequested(WebKitWebView *v,
132                 WebKitPermissionRequest *r, Client *c);
133 static const char *getatom(Client *c, int a);
134 static void gettogglestat(Client *c);
135 static void getpagestat(Client *c);
136 static char *geturi(Client *c);
137 static const gchar *getstyle(const char *uri);
138 static void setstyle(Client *c, const char *stylefile);
139
140 static void handleplumb(Client *c, const gchar *uri);
141
142 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
143                 Client *c);
144 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
145 static void download(Client *c, WebKitURIResponse *r);
146
147 static void toggleinspector(Client *c, const Arg *a);
148
149 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
150                          GdkModifierType mods, Client *c);
151 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
152                 guint modifiers, Client *c);
153 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
154 static void loaduri(Client *c, const Arg *arg);
155 static void navigate(Client *c, const Arg *a);
156 static Client *newclient(Client *c);
157 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
158 static void showview(WebKitWebView *v, Client *c);
159 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
160 static GtkWidget *createwindow(Client *c);
161 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
162 static void print(Client *c, const Arg *a);
163 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
164                                 gpointer d);
165 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
166 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
167 static void linkopen(Client *c, const Arg *arg);
168 static void linkopenembed(Client *c, const Arg *arg);
169 static void reload(Client *c, const Arg *arg);
170 static void scroll_h(Client *c, const Arg *a);
171 static void scroll_v(Client *c, const Arg *a);
172 static void setatom(Client *c, int a, const char *v);
173 static void setup(void);
174 static void sigchld(int unused);
175 static void spawn(Client *c, const Arg *arg);
176 static void stop(Client *c, const Arg *arg);
177 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
178 static void toggle(Client *c, const Arg *arg);
179 static void togglecookiepolicy(Client *c, const Arg *arg);
180 static void togglegeolocation(Client *c, const Arg *arg);
181 static void togglestyle(Client *c, const Arg *arg);
182 static void updatetitle(Client *c);
183 static void updatewinid(Client *c);
184 static void usage(void);
185 static void zoom(Client *c, const Arg *arg);
186
187 /* configuration, allows nested code to access above variables */
188 #include "config.h"
189
190 void
191 addaccelgroup(Client *c)
192 {
193         int i;
194         GtkAccelGroup *group = gtk_accel_group_new();
195         GClosure *closure;
196
197         for (i = 0; i < LENGTH(keys); i++) {
198                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
199                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
200                                         closure);
201         }
202         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
203 }
204
205 char *
206 buildfile(const char *path)
207 {
208         char *dname, *bname, *bpath, *fpath;
209         FILE *f;
210
211         dname = g_path_get_dirname(path);
212         bname = g_path_get_basename(path);
213
214         bpath = buildpath(dname);
215         g_free(dname);
216
217         fpath = g_build_filename(bpath, bname, NULL);
218         g_free(bpath);
219         g_free(bname);
220
221         if (!(f = fopen(fpath, "a")))
222                 die("Could not open file: %s\n", fpath);
223
224         g_chmod(fpath, 0600); /* always */
225         fclose(f);
226
227         return fpath;
228 }
229
230 char *
231 buildpath(const char *path)
232 {
233         struct passwd *pw;
234         char *apath, *name, *p, *fpath;
235
236         if (path[0] == '~') {
237                 if (path[1] == '/' || path[1] == '\0') {
238                         p = (char *)&path[1];
239                         pw = getpwuid(getuid());
240                 } else {
241                         if ((p = strchr(path, '/')))
242                                 name = g_strndup(&path[1], --p - path);
243                         else
244                                 name = g_strdup(&path[1]);
245
246                         if (!(pw = getpwnam(name))) {
247                                 die("Can't get user %s home directory: %s.\n",
248                                     name, path);
249                         }
250                         g_free(name);
251                 }
252                 apath = g_build_filename(pw->pw_dir, p, NULL);
253         } else {
254                 apath = g_strdup(path);
255         }
256
257         /* creating directory */
258         if (g_mkdir_with_parents(apath, 0700) < 0)
259                 die("Could not access directory: %s\n", apath);
260
261         fpath = realpath(apath, NULL);
262         g_free(apath);
263
264         return fpath;
265 }
266
267 gboolean
268 buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c)
269 {
270         WebKitHitTestResultContext element;
271         GdkEventButton *eb = (GdkEventButton*)e;
272         int i;
273
274         element = webkit_hit_test_result_get_context(c->mousepos);
275
276         for (i = 0; i < LENGTH(buttons); ++i) {
277                 if (element & buttons[i].target &&
278                     eb->button == buttons[i].button &&
279                     CLEANMASK(eb->state) == CLEANMASK(buttons[i].mask) &&
280                     buttons[i].func) {
281                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
282                         return buttons[i].stopevent;
283                 }
284         }
285
286         return FALSE;
287 }
288
289 void
290 cleanup(void)
291 {
292         while (clients)
293                 destroyclient(clients);
294         g_free(cookiefile);
295         g_free(scriptfile);
296         g_free(stylefile);
297         g_free(cachedir);
298 }
299
300 WebKitCookieAcceptPolicy
301 cookiepolicy_get(void)
302 {
303         switch (cookiepolicies[cookiepolicy]) {
304         case 'a':
305                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
306         case '@':
307                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
308         case 'A':
309         default:
310                 break;
311         }
312
313         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
314 }
315
316 char
317 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
318 {
319         switch (ep) {
320         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
321                 return 'a';
322         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
323                 return '@';
324         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
325         default:
326                 break;
327         }
328
329         return 'A';
330 }
331
332 void
333 evalscript(Client *c, const char *jsstr, ...)
334 {
335         va_list ap;
336         gchar *script;
337
338         va_start(ap, jsstr);
339         script = g_strdup_vprintf(jsstr, ap);
340         va_end(ap);
341
342         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
343         g_free(script);
344 }
345
346 void
347 runscript(Client *c)
348 {
349         gchar *script;
350         gsize l;
351
352         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
353                 evalscript(c, script);
354         g_free(script);
355 }
356
357 void
358 clipboard(Client *c, const Arg *a)
359 {
360         if (a->b) { /* load clipboard uri */
361                 gtk_clipboard_request_text(gtk_clipboard_get(
362                                            GDK_SELECTION_PRIMARY),
363                                            pasteuri, c);
364         } else { /* copy uri */
365                 gtk_clipboard_set_text(gtk_clipboard_get(
366                                        GDK_SELECTION_PRIMARY), c->targeturi
367                                        ? c->targeturi : geturi(c), -1);
368         }
369 }
370
371 char *
372 copystr(char **str, const char *src)
373 {
374         char *tmp;
375         tmp = g_strdup(src);
376
377         if (str && *str) {
378                 g_free(*str);
379                 *str = tmp;
380         }
381         return tmp;
382 }
383
384 GtkWidget *
385 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
386 {
387         Client *n;
388
389         switch (webkit_navigation_action_get_navigation_type(a)) {
390         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
391                 /*
392                  * popup windows of type “other” are almost always triggered
393                  * by user gesture, so inverse the logic here
394                  */
395 /* instead of this, compare destination uri to mouse-over uri for validating window */
396                 if (webkit_navigation_action_is_user_gesture(a)) {
397                         return NULL;
398                         break;
399                 }
400         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
401         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
402         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
403         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
404         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
405                 n = newclient(c);
406                 break;
407         default:
408                 return NULL;
409                 break;
410         }
411
412         return GTK_WIDGET(n->view);
413 }
414
415 gboolean
416 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
417     WebKitPolicyDecisionType dt, Client *c)
418 {
419         switch (dt) {
420         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
421                 decidenavigation(d, c);
422                 break;
423         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
424                 decidenewwindow(d, c);
425                 break;
426         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
427                 decideresource(d, c);
428                 break;
429         default:
430                 webkit_policy_decision_ignore(d);
431                 break;
432         }
433         return TRUE;
434 }
435
436 void
437 decidenavigation(WebKitPolicyDecision *d, Client *c)
438 {
439         WebKitNavigationAction *a;
440
441         a = webkit_navigation_policy_decision_get_navigation_action(
442             WEBKIT_NAVIGATION_POLICY_DECISION(d));
443
444         switch (webkit_navigation_action_get_navigation_type(a)) {
445         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
446         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
447         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
448         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
449         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
450         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
451         default:
452                 /* Do not navigate to links with a "_blank" target (popup) */
453                 if (webkit_navigation_policy_decision_get_frame_name(
454                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
455                         webkit_policy_decision_ignore(d);
456                 } else {
457                         /* Filter out navigation to different domain ? */
458                         /* get action→urirequest, copy and load in new window+view
459                          * on Ctrl+Click ? */
460                         webkit_policy_decision_use(d);
461                 }
462                 break;
463         }
464 }
465
466 void
467 decidenewwindow(WebKitPolicyDecision *d, Client *c)
468 {
469         WebKitNavigationAction *a;
470         Arg arg;
471
472         a = webkit_navigation_policy_decision_get_navigation_action(
473             WEBKIT_NAVIGATION_POLICY_DECISION(d));
474
475         switch (webkit_navigation_action_get_navigation_type(a)) {
476         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
477         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
478         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
479         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
480         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
481                 /* Filter domains here */
482 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
483  * test for link clicked but no button ? */
484                 arg.v = webkit_uri_request_get_uri(
485                     webkit_navigation_action_get_request(a));
486                 newwindow(c, &arg, 0);
487                 break;
488         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
489         default:
490                 break;
491         }
492
493         webkit_policy_decision_ignore(d);
494 }
495
496 void
497 decideresource(WebKitPolicyDecision *d, Client *c)
498 {
499         const gchar *uri;
500         int i, isascii = 1;
501         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
502         WebKitURIResponse *res;
503
504         res = webkit_response_policy_decision_get_response(r);
505         uri = webkit_uri_response_get_uri(res);
506
507         if (g_str_has_suffix(uri, "/favicon.ico"))
508                 webkit_uri_request_set_uri(
509                     webkit_response_policy_decision_get_request(r),
510                     "about:blank");
511
512         if (!g_str_has_prefix(uri, "http://")
513             && !g_str_has_prefix(uri, "https://")
514             && !g_str_has_prefix(uri, "about:")
515             && !g_str_has_prefix(uri, "file://")
516             && !g_str_has_prefix(uri, "data:")
517             && !g_str_has_prefix(uri, "blob:")
518             && strlen(uri) > 0) {
519                 for (i = 0; i < strlen(uri); i++) {
520                         if (!g_ascii_isprint(uri[i])) {
521                                 isascii = 0;
522                                 break;
523                         }
524                 }
525                 if (isascii) {
526                         handleplumb(c, uri);
527                         webkit_policy_decision_ignore(d);
528                 }
529         }
530
531         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
532                 webkit_policy_decision_use(d);
533         } else {
534                 webkit_policy_decision_ignore(d);
535                 download(c, res);
536         }
537 }
538
539 void
540 destroyclient(Client *c)
541 {
542         Client *p;
543
544         webkit_web_view_stop_loading(c->view);
545         /* Not needed, has already been called
546         gtk_widget_destroy(c->win);
547          */
548
549         for (p = clients; p && p->next != c; p = p->next)
550                 ;
551         if (p)
552                 p->next = c->next;
553         else
554                 clients = c->next;
555         free(c);
556 }
557
558 void
559 closeview(WebKitWebView *v, Client *c)
560 {
561         gtk_widget_destroy(c->win);
562 }
563
564 void
565 destroywin(GtkWidget* w, Client *c)
566 {
567         destroyclient(c);
568         if (clients == NULL)
569                 gtk_main_quit();
570 }
571
572 void
573 die(const char *errstr, ...)
574 {
575         va_list ap;
576
577         va_start(ap, errstr);
578         vfprintf(stderr, errstr, ap);
579         va_end(ap);
580         exit(EXIT_FAILURE);
581 }
582
583 void
584 find(Client *c, const Arg *arg)
585 {
586         const char *s;
587
588         s = getatom(c, AtomFind);
589         gboolean forward = *(gboolean *)arg;
590         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
591 }
592
593 void
594 togglefullscreen(Client *c, const Arg *a)
595 {
596         /* toggling value is handled in winevent() */
597         if (c->fullscreen)
598                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
599         else
600                 gtk_window_fullscreen(GTK_WINDOW(c->win));
601 }
602
603 gboolean
604 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
605 {
606         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
607                 if (allowgeolocation)
608                         webkit_permission_request_allow(r);
609                 else
610                         webkit_permission_request_deny(r);
611                 return TRUE;
612         }
613
614         return FALSE;
615 }
616
617 const char *
618 getatom(Client *c, int a)
619 {
620         static char buf[BUFSIZ];
621         Atom adummy;
622         int idummy;
623         unsigned long ldummy;
624         unsigned char *p = NULL;
625
626         XGetWindowProperty(dpy, c->xid,
627                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
628                            &adummy, &idummy, &ldummy, &ldummy, &p);
629         if (p)
630                 strncpy(buf, (char *)p, LENGTH(buf)-1);
631         else
632                 buf[0] = '\0';
633         XFree(p);
634
635         return buf;
636 }
637
638 char *
639 geturi(Client *c)
640 {
641         char *uri;
642
643         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
644                 uri = "about:blank";
645         return uri;
646 }
647
648 const gchar *
649 getstyle(const char *uri)
650 {
651         int i;
652
653         if (stylefile != NULL)
654                 return stylefile;
655
656         for (i = 0; i < LENGTH(styles); i++) {
657                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
658                     NULL, 0))
659                         return styles[i].style;
660         }
661
662         return "";
663 }
664
665 void
666 setstyle(Client *c, const char *stylefile)
667 {
668         gchar *style;
669
670         if (!g_file_get_contents(stylefile, &style, NULL, NULL)) {
671                 fprintf(stderr, "Could not read style file: %s\n", stylefile);
672                 return;
673         }
674
675         webkit_user_content_manager_add_style_sheet(
676             webkit_web_view_get_user_content_manager(c->view),
677             webkit_user_style_sheet_new(style,
678             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
679             WEBKIT_USER_STYLE_LEVEL_USER,
680             NULL, NULL));
681
682         g_free(style);
683 }
684
685 void
686 handleplumb(Client *c, const gchar *uri)
687 {
688         Arg arg;
689
690         arg = (Arg)PLUMB(uri);
691         spawn(c, &arg);
692 }
693
694 void
695 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
696 {
697         g_signal_connect(G_OBJECT(d), "notify::response",
698             G_CALLBACK(responsereceived), c);
699 }
700
701 void
702 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
703 {
704         download(c, webkit_download_get_response(d));
705         webkit_download_cancel(d);
706 }
707
708 void
709 download(Client *c, WebKitURIResponse *r)
710 {
711         Arg a;
712
713         a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
714         spawn(c, &a);
715 }
716
717 void
718 toggleinspector(Client *c, const Arg *a)
719 {
720         if (enableinspector) {
721                 if (webkit_web_inspector_is_attached(c->inspector))
722                         webkit_web_inspector_close(c->inspector);
723                 else
724                         webkit_web_inspector_show(c->inspector);
725         }
726 }
727
728 gboolean
729 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
730          Client *c)
731 {
732         guint i;
733         gboolean processed = FALSE;
734
735         mods = CLEANMASK(mods);
736         key = gdk_keyval_to_lower(key);
737         updatewinid(c);
738         for (i = 0; i < LENGTH(keys); i++) {
739                 if (key == keys[i].keyval
740                     && mods == keys[i].mod
741                     && keys[i].func) {
742                         keys[i].func(c, &(keys[i].arg));
743                         processed = TRUE;
744                 }
745         }
746
747         return processed;
748 }
749
750 void
751 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
752     Client *c)
753 {
754         WebKitHitTestResultContext hc;
755
756         /* Keep the hit test to know where is the pointer on the next click */
757         c->mousepos = h;
758
759         hc = webkit_hit_test_result_get_context(h);
760
761         if (hc & OnLink)
762                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
763         else if (hc & OnImg)
764                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
765         else if (hc & OnMedia)
766                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
767         else
768                 c->targeturi = NULL;
769         updatetitle(c);
770 }
771
772 void
773 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
774 {
775         switch (e) {
776         case WEBKIT_LOAD_STARTED:
777                 c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
778                 break;
779         case WEBKIT_LOAD_REDIRECTED:
780                 setatom(c, AtomUri, geturi(c));
781                 break;
782         case WEBKIT_LOAD_COMMITTED:
783                 if (!webkit_web_view_get_tls_info(c->view, NULL, &(c->tlsflags)))
784                         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
785
786                 setatom(c, AtomUri, geturi(c));
787
788                 if (enablestyle)
789                         setstyle(c, getstyle(geturi(c)));
790                 break;
791         case WEBKIT_LOAD_FINISHED:
792                 /* Disabled until we write some WebKitWebExtension for
793                  * manipulating the DOM directly.
794                 evalscript(c, "document.documentElement.style.overflow = '%s'",
795                     enablescrollbars ? "auto" : "hidden");
796                 */
797                 runscript(c);
798                 break;
799         }
800         updatetitle(c);
801 }
802
803 void
804 loaduri(Client *c, const Arg *arg)
805 {
806         char *u = NULL, *rp;
807         const char *uri = (char *)arg->v;
808         Arg a = { .b = FALSE };
809         struct stat st;
810
811         if (strcmp(uri, "") == 0)
812                 return;
813
814         /* In case it's a file path. */
815         if (stat(uri, &st) == 0) {
816                 rp = realpath(uri, NULL);
817                 u = g_strdup_printf("file://%s", rp);
818                 free(rp);
819         } else {
820                 u = g_strrstr(uri, "://") ? g_strdup(uri)
821                     : g_strdup_printf("http://%s", uri);
822         }
823
824         setatom(c, AtomUri, uri);
825
826         /* prevents endless loop */
827         if (strcmp(u, geturi(c)) == 0) {
828                 reload(c, &a);
829         } else {
830                 webkit_web_view_load_uri(c->view, u);
831                 c->progress = 0;
832                 c->title = copystr(&c->title, u);
833                 updatetitle(c);
834         }
835         g_free(u);
836 }
837
838 void
839 navigate(Client *c, const Arg *a)
840 {
841         if (a->i < 0)
842                 webkit_web_view_go_back(c->view);
843         else if (a->i > 0)
844                 webkit_web_view_go_forward(c->view);
845 }
846
847 Client *
848 newclient(Client *rc)
849 {
850         Client *c;
851         gdouble dpi;
852
853         if (!(c = calloc(1, sizeof(Client))))
854                 die("Cannot malloc!\n");
855
856         c->title = NULL;
857         c->progress = 100;
858
859         c->next = clients;
860         clients = c;
861
862         c->view = newview(c, rc ? rc->view : NULL);
863         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
864
865         return c;
866 }
867
868 WebKitWebView *
869 newview(Client *c, WebKitWebView *rv)
870 {
871         WebKitWebView *v;
872         WebKitSettings *settings;
873         WebKitUserContentManager *contentmanager;
874         WebKitWebContext *context;
875         char *ua;
876
877         /* Webview */
878         if (rv) {
879                 v = WEBKIT_WEB_VIEW(
880                     webkit_web_view_new_with_related_view(rv));
881         } else {
882                 settings = webkit_settings_new_with_settings(
883                     "auto-load-images", loadimages,
884                     "default-font-size", defaultfontsize,
885                     "enable-caret-browsing", enablecaretbrowsing,
886                     "enable-developer-extras", enableinspector,
887                     "enable-dns-prefetching", enablednsprefetching,
888                     "enable-frame-flattening", enableframeflattening,
889                     "enable-html5-database", enablecache,
890                     "enable-html5-local-storage", enablecache,
891                     "enable-javascript", enablescripts,
892                     "enable-plugins", enableplugins,
893                     NULL);
894                 if (!(ua = getenv("SURF_USERAGENT")))
895                         ua = useragent;
896                 webkit_settings_set_user_agent(settings, ua);
897                 /* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
898                  * for more interesting settings */
899
900                 contentmanager = webkit_user_content_manager_new();
901
902                 context = webkit_web_context_new_with_website_data_manager(
903                     webkit_website_data_manager_new(
904                     "base-cache-directory", cachedir,
905                     "base-data-directory", cachedir,
906                     NULL));
907
908                 /* rendering process model, can be a shared unique one or one for each
909                  * view */
910                 webkit_web_context_set_process_model(context,
911                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
912                 /* ssl */
913                 webkit_web_context_set_tls_errors_policy(context, strictssl ?
914                     WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
915                 /* disk cache */
916                 webkit_web_context_set_cache_model(context, enablecache ?
917                     WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
918
919                 /* Currently only works with text file to be compatible with curl */
920                 webkit_cookie_manager_set_persistent_storage(
921                     webkit_web_context_get_cookie_manager(context), cookiefile,
922                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
923                 /* cookie policy */
924                 webkit_cookie_manager_set_accept_policy(
925                     webkit_web_context_get_cookie_manager(context),
926                     cookiepolicy_get());
927
928                 g_signal_connect(G_OBJECT(context), "download-started",
929                     G_CALLBACK(downloadstarted), c);
930
931                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
932                     "settings", settings,
933                     "user-content-manager", contentmanager,
934                     "web-context", context,
935                     NULL);
936         }
937
938         g_signal_connect(G_OBJECT(v),
939                          "notify::title",
940                          G_CALLBACK(titlechanged), c);
941         g_signal_connect(G_OBJECT(v),
942                          "mouse-target-changed",
943                          G_CALLBACK(mousetargetchanged), c);
944         g_signal_connect(G_OBJECT(v),
945                          "permission-request",
946                          G_CALLBACK(permissionrequested), c);
947         g_signal_connect(G_OBJECT(v),
948                          "create",
949                          G_CALLBACK(createview), c);
950         g_signal_connect(G_OBJECT(v), "ready-to-show",
951                          G_CALLBACK(showview), c);
952         g_signal_connect(G_OBJECT(v),
953                          "decide-policy",
954                          G_CALLBACK(decidepolicy), c);
955         g_signal_connect(G_OBJECT(v),
956                          "load-changed",
957                          G_CALLBACK(loadchanged), c);
958         g_signal_connect(G_OBJECT(v),
959                          "notify::estimated-load-progress",
960                          G_CALLBACK(progresschanged), c);
961         g_signal_connect(G_OBJECT(v),
962                          "button-release-event",
963                          G_CALLBACK(buttonreleased), c);
964         g_signal_connect(G_OBJECT(v), "close",
965                         G_CALLBACK(closeview), c);
966
967         return v;
968 }
969
970 void
971 showview(WebKitWebView *v, Client *c)
972 {
973         GdkGeometry hints = { 1, 1 };
974         GdkRGBA bgcolor = { 0 };
975         GdkWindow *gwin;
976
977         c->win = createwindow(c);
978
979         if (enableinspector)
980                 c->inspector = webkit_web_view_get_inspector(c->view);
981
982         if (!kioskmode)
983                 addaccelgroup(c);
984
985         /* Arranging */
986         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
987
988         /* Setup */
989         gtk_widget_grab_focus(GTK_WIDGET(c->view));
990         gtk_widget_show(GTK_WIDGET(c->view));
991         gtk_widget_show(c->win);
992         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
993         c->xid = gdk_x11_window_get_xid(gwin);
994         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
995                                       GDK_HINT_MIN_SIZE);
996         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
997         gdk_window_add_filter(gwin, processx, c);
998
999         /* This might conflict with _zoomto96dpi_. */
1000         if (zoomlevel != 1.0)
1001                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
1002
1003         if (runinfullscreen)
1004                 togglefullscreen(c, NULL);
1005
1006         setatom(c, AtomFind, "");
1007         setatom(c, AtomUri, "about:blank");
1008         if (hidebackground)
1009                 webkit_web_view_set_background_color(c->view, &bgcolor);
1010
1011         if (showxid) {
1012                 gdk_display_sync(gtk_widget_get_display(c->win));
1013                 printf("%lu\n", c->xid);
1014                 fflush(NULL);
1015                 if (fclose(stdout) != 0) {
1016                         die("Error closing stdout");
1017                 }
1018         }
1019 }
1020
1021 void
1022 newwindow(Client *c, const Arg *arg, gboolean noembed)
1023 {
1024         guint i = 0;
1025         const char *cmd[18], *uri;
1026         const Arg a = { .v = (void *)cmd };
1027         char tmp[64];
1028
1029         cmd[i++] = argv0;
1030         cmd[i++] = "-a";
1031         cmd[i++] = cookiepolicies;
1032         if (!enablescrollbars)
1033                 cmd[i++] = "-b";
1034         if (embed && !noembed) {
1035                 cmd[i++] = "-e";
1036                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1037                 cmd[i++] = tmp;
1038         }
1039         if (!allowgeolocation)
1040                 cmd[i++] = "-g";
1041         if (!loadimages)
1042                 cmd[i++] = "-i";
1043         if (kioskmode)
1044                 cmd[i++] = "-k";
1045         if (!enableplugins)
1046                 cmd[i++] = "-p";
1047         if (!enablescripts)
1048                 cmd[i++] = "-s";
1049         if (showxid)
1050                 cmd[i++] = "-x";
1051         if (enablediskcache)
1052                 cmd[i++] = "-D";
1053         cmd[i++] = "-c";
1054         cmd[i++] = cookiefile;
1055         cmd[i++] = "--";
1056         uri = arg->v ? (char *)arg->v : c->linkhover;
1057         if (uri)
1058                 cmd[i++] = uri;
1059         cmd[i++] = NULL;
1060         spawn(NULL, &a);
1061 }
1062
1063 GtkWidget *
1064 createwindow(Client *c)
1065 {
1066         GtkWidget *w;
1067
1068         if (embed) {
1069                 w = gtk_plug_new(embed);
1070         } else {
1071                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1072
1073                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
1074                  * is always correct, so we should still call this function.
1075                  * But when doing so, we *must* differentiate between a
1076                  * WM_CLASS and a resource on the window.  By convention, the
1077                  * window class (WM_CLASS) is capped, while the resource is in
1078                  * lowercase.   Both these values come as a pair.
1079                  */
1080                 gtk_window_set_wmclass(GTK_WINDOW(w), "surf", "Surf");
1081
1082                 /* TA:  20091214:  And set the role here as well -- so that
1083                  * sessions can pick this up.
1084                  */
1085                 gtk_window_set_role(GTK_WINDOW(w), "Surf");
1086
1087                 gtk_window_set_default_size(GTK_WINDOW(w), 800, 600);
1088         }
1089
1090         g_signal_connect(G_OBJECT(w), "destroy",
1091             G_CALLBACK(destroywin), c);
1092         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1093             G_CALLBACK(winevent), c);
1094         g_signal_connect(G_OBJECT(w), "window-state-event",
1095             G_CALLBACK(winevent), c);
1096
1097         return w;
1098 }
1099
1100 void
1101 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1102 {
1103         Arg arg = {.v = text };
1104         if (text != NULL)
1105                 loaduri((Client *) d, &arg);
1106 }
1107
1108 void
1109 print(Client *c, const Arg *a)
1110 {
1111         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1112             GTK_WINDOW(c->win));
1113 }
1114
1115 GdkFilterReturn
1116 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1117 {
1118         Client *c = (Client *)d;
1119         XPropertyEvent *ev;
1120         Arg arg;
1121
1122         if (((XEvent *)e)->type == PropertyNotify) {
1123                 ev = &((XEvent *)e)->xproperty;
1124                 if (ev->state == PropertyNewValue) {
1125                         if (ev->atom == atoms[AtomFind]) {
1126                                 arg.b = TRUE;
1127                                 find(c, &arg);
1128
1129                                 return GDK_FILTER_REMOVE;
1130                         } else if (ev->atom == atoms[AtomGo]) {
1131                                 arg.v = getatom(c, AtomGo);
1132                                 loaduri(c, &arg);
1133
1134                                 return GDK_FILTER_REMOVE;
1135                         }
1136                 }
1137         }
1138         return GDK_FILTER_CONTINUE;
1139 }
1140
1141 void
1142 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1143 {
1144         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1145             100;
1146         updatetitle(c);
1147 }
1148
1149 void
1150 linkopen(Client *c, const Arg *arg)
1151 {
1152         newwindow(NULL, arg, 1);
1153 }
1154
1155 void
1156 linkopenembed(Client *c, const Arg *arg)
1157 {
1158         newwindow(NULL, arg, 0);
1159 }
1160
1161 void
1162 reload(Client *c, const Arg *arg)
1163 {
1164         gboolean nocache = *(gboolean *)arg;
1165         if (nocache)
1166                 webkit_web_view_reload_bypass_cache(c->view);
1167         else
1168                 webkit_web_view_reload(c->view);
1169 }
1170
1171 void
1172 scroll_h(Client *c, const Arg *a)
1173 {
1174         evalscript(c, "window.scrollBy(%d * (window.innerWidth / 100), 0)",
1175             a->i);
1176 }
1177
1178 void
1179 scroll_v(Client *c, const Arg *a)
1180 {
1181         evalscript(c, "window.scrollBy(0, %d * (window.innerHeight / 100))",
1182             a->i);
1183 }
1184
1185 void
1186 setatom(Client *c, int a, const char *v)
1187 {
1188         XSync(dpy, False);
1189         XChangeProperty(dpy, c->xid,
1190                         atoms[a], XA_STRING, 8, PropModeReplace,
1191                         (unsigned char *)v, strlen(v) + 1);
1192 }
1193
1194 void
1195 setup(void)
1196 {
1197         int i;
1198         WebKitWebContext *context;
1199         GError *error = NULL;
1200
1201         /* clean up any zombies immediately */
1202         sigchld(0);
1203         gtk_init(NULL, NULL);
1204
1205         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1206
1207         /* atoms */
1208         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1209         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1210         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1211
1212         /* dirs and files */
1213         cookiefile = buildfile(cookiefile);
1214         scriptfile = buildfile(scriptfile);
1215         cachedir   = buildpath(cachedir);
1216
1217         if (stylefile == NULL) {
1218                 styledir = buildpath(styledir);
1219                 for (i = 0; i < LENGTH(styles); i++) {
1220                         if (regcomp(&(styles[i].re), styles[i].regex,
1221                             REG_EXTENDED)) {
1222                                 fprintf(stderr,
1223                                         "Could not compile regex: %s\n",
1224                                         styles[i].regex);
1225                                 styles[i].regex = NULL;
1226                         }
1227                         styles[i].style = g_strconcat(styledir, "/",
1228                             styles[i].style, NULL);
1229                 }
1230                 g_free(styledir);
1231         } else {
1232                 stylefile = buildfile(stylefile);
1233         }
1234 }
1235
1236 void
1237 sigchld(int unused)
1238 {
1239         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1240                 die("Can't install SIGCHLD handler");
1241         while (0 < waitpid(-1, NULL, WNOHANG));
1242 }
1243
1244 void
1245 spawn(Client *c, const Arg *arg)
1246 {
1247         if (fork() == 0) {
1248                 if (dpy)
1249                         close(ConnectionNumber(dpy));
1250                 setsid();
1251                 execvp(((char **)arg->v)[0], (char **)arg->v);
1252                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1253                 perror(" failed");
1254                 exit(0);
1255         }
1256 }
1257
1258 void
1259 stop(Client *c, const Arg *arg)
1260 {
1261         webkit_web_view_stop_loading(c->view);
1262 }
1263
1264 void
1265 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1266 {
1267         c->title = webkit_web_view_get_title(c->view);
1268         updatetitle(c);
1269 }
1270
1271 gboolean
1272 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1273 {
1274         switch (e->type) {
1275         case GDK_LEAVE_NOTIFY:
1276                 c->targeturi = NULL;
1277                 updatetitle(c);
1278                 break;
1279         case GDK_WINDOW_STATE: /* fallthrough */
1280                 if (e->window_state.changed_mask ==
1281                     GDK_WINDOW_STATE_FULLSCREEN) {
1282                         c->fullscreen = e->window_state.new_window_state &
1283                             GDK_WINDOW_STATE_FULLSCREEN;
1284                         break;
1285                 }
1286         default:
1287                 return FALSE;
1288         }
1289
1290         return TRUE;
1291 }
1292
1293 void
1294 toggle(Client *c, const Arg *arg)
1295 {
1296         WebKitWebSettings *settings;
1297         char *name = (char *)arg->v;
1298         gboolean value;
1299         Arg a = { .b = FALSE };
1300
1301         settings = webkit_web_view_get_settings(c->view);
1302         g_object_get(G_OBJECT(settings), name, &value, NULL);
1303         g_object_set(G_OBJECT(settings), name, !value, NULL);
1304
1305         reload(c, &a);
1306 }
1307
1308 void
1309 togglecookiepolicy(Client *c, const Arg *arg)
1310 {
1311         ++cookiepolicy;
1312         cookiepolicy %= strlen(cookiepolicies);
1313
1314         webkit_cookie_manager_set_accept_policy(
1315             webkit_web_context_get_cookie_manager(
1316             webkit_web_view_get_context(c->view)),
1317             cookiepolicy_get());
1318
1319         updatetitle(c);
1320         /* Do not reload. */
1321 }
1322
1323 void
1324 togglegeolocation(Client *c, const Arg *arg)
1325 {
1326         Arg a = { .b = FALSE };
1327
1328         allowgeolocation ^= 1;
1329         reload(c, &a);
1330 }
1331
1332 void
1333 togglestyle(Client *c, const Arg *arg)
1334 {
1335         enablestyle = !enablestyle;
1336         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1337
1338         updatetitle(c);
1339 }
1340
1341 void
1342 gettogglestat(Client *c)
1343 {
1344         gboolean value;
1345         int p = 0;
1346         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1347
1348         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1349
1350         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1351                      NULL);
1352         togglestat[p++] = value? 'C': 'c';
1353
1354         togglestat[p++] = allowgeolocation? 'G': 'g';
1355
1356         togglestat[p++] = enablediskcache? 'D': 'd';
1357
1358         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1359         togglestat[p++] = value? 'I': 'i';
1360
1361         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1362         togglestat[p++] = value? 'S': 's';
1363
1364         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1365         togglestat[p++] = value? 'V': 'v';
1366
1367         togglestat[p++] = enablestyle ? 'M': 'm';
1368
1369         togglestat[p] = '\0';
1370 }
1371
1372 void
1373 getpagestat(Client *c)
1374 {
1375         const char *uri = geturi(c);
1376
1377         pagestats[0] = c->tlsflags > G_TLS_CERTIFICATE_VALIDATE_ALL ? '-' :
1378             c->tlsflags > 0 ? 'U' : 'T';
1379         pagestat[1] = '\0';
1380 }
1381
1382 void
1383 updatetitle(Client *c)
1384 {
1385         char *t;
1386
1387         if (showindicators) {
1388                 gettogglestat(c);
1389                 getpagestat(c);
1390
1391                 if (c->linkhover) {
1392                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1393                                             c->linkhover);
1394                 } else if (c->progress != 100) {
1395                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1396                                             togglestat, pagestat,
1397                                             c->title == NULL ? "" : c->title);
1398                 } else {
1399                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1400                                             c->title == NULL ? "" : c->title);
1401                 }
1402
1403                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1404                 g_free(t);
1405         } else {
1406                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1407                                      "" : c->title);
1408         }
1409 }
1410
1411 void
1412 updatewinid(Client *c)
1413 {
1414         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1415 }
1416
1417 void
1418 usage(void)
1419 {
1420         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1421             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1422             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1423 }
1424
1425 void
1426 zoom(Client *c, const Arg *arg)
1427 {
1428         c->zoomed = TRUE;
1429         if (arg->i < 0) {
1430                 /* zoom out */
1431                 webkit_web_view_zoom_out(c->view);
1432         } else if (arg->i > 0) {
1433                 /* zoom in */
1434                 webkit_web_view_zoom_in(c->view);
1435         } else {
1436                 /* reset */
1437                 c->zoomed = FALSE;
1438                 webkit_web_view_set_zoom_level(c->view, 1.0);
1439         }
1440 }
1441
1442 int
1443 main(int argc, char *argv[])
1444 {
1445         Arg arg;
1446         Client *c;
1447
1448         memset(&arg, 0, sizeof(arg));
1449
1450         /* command line args */
1451         ARGBEGIN {
1452         case 'a':
1453                 cookiepolicies = EARGF(usage());
1454                 break;
1455         case 'b':
1456                 enablescrollbars = 0;
1457                 break;
1458         case 'B':
1459                 enablescrollbars = 1;
1460                 break;
1461         case 'c':
1462                 cookiefile = EARGF(usage());
1463                 break;
1464         case 'd':
1465                 enablediskcache = 0;
1466                 break;
1467         case 'D':
1468                 enablediskcache = 1;
1469                 break;
1470         case 'e':
1471                 embed = strtol(EARGF(usage()), NULL, 0);
1472                 break;
1473         case 'f':
1474                 runinfullscreen = 0;
1475                 break;
1476         case 'F':
1477                 runinfullscreen = 1;
1478                 break;
1479         case 'g':
1480                 allowgeolocation = 0;
1481                 break;
1482         case 'G':
1483                 allowgeolocation = 1;
1484                 break;
1485         case 'i':
1486                 loadimages = 0;
1487                 break;
1488         case 'I':
1489                 loadimages = 1;
1490                 break;
1491         case 'k':
1492                 kioskmode = 0;
1493                 break;
1494         case 'K':
1495                 kioskmode = 1;
1496                 break;
1497         case 'm':
1498                 enablestyle = 0;
1499                 break;
1500         case 'M':
1501                 enablestyle = 1;
1502                 break;
1503         case 'n':
1504                 enableinspector = 0;
1505                 break;
1506         case 'N':
1507                 enableinspector = 1;
1508                 break;
1509         case 'p':
1510                 enableplugins = 0;
1511                 break;
1512         case 'P':
1513                 enableplugins = 1;
1514                 break;
1515         case 'r':
1516                 scriptfile = EARGF(usage());
1517                 break;
1518         case 's':
1519                 enablescripts = 0;
1520                 break;
1521         case 'S':
1522                 enablescripts = 1;
1523                 break;
1524         case 't':
1525                 stylefile = EARGF(usage());
1526                 break;
1527         case 'u':
1528                 useragent = EARGF(usage());
1529                 break;
1530         case 'v':
1531                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1532                     "see LICENSE for details\n");
1533         case 'x':
1534                 showxid = TRUE;
1535                 break;
1536         case 'z':
1537                 zoomlevel = strtof(EARGF(usage()), NULL);
1538                 break;
1539         default:
1540                 usage();
1541         } ARGEND;
1542         if (argc > 0)
1543                 arg.v = argv[0];
1544
1545         setup();
1546         c = newclient(NULL);
1547         showview(NULL, c);
1548         if (arg.v)
1549                 loaduri(clients, &arg);
1550         else
1551                 updatetitle(c);
1552
1553         gtk_main();
1554         cleanup();
1555
1556         return EXIT_SUCCESS;
1557 }
1558