1 /* See LICENSE file for copyright and license details.
3 * To understand surf, start reading main().
11 #include <gdk/gdkkeysyms.h>
13 #include <sys/types.h>
18 #include <webkit/webkit.h>
19 #include <glib/gstdio.h>
20 #include <JavaScriptCore/JavaScript.h>
22 #define LENGTH(x) (sizeof x / sizeof x[0])
23 #define CLEANMASK(mask) (mask & ~(GDK_MOD2_MASK))
25 typedef union Arg Arg;
32 typedef struct Client {
33 GtkWidget *win, *scroll, *vbox, *indicator;
36 WebKitDownload *download;
37 char *title, *linkhover;
38 const char *uri, *needle;
46 void (*func)(Client *c, const Arg *arg);
53 void (*func)(Client *c, const Arg *arg);
58 static Atom uriprop, findprop;
59 static SoupCookieJar *cookies;
60 static SoupSession *session;
61 static Client *clients = NULL;
62 static GdkNativeWindow embed = 0;
63 static gboolean showxid = FALSE;
64 static int ignorexprop = 0;
65 static char winid[64];
66 static char *progname;
67 static gboolean lockcookie = FALSE;
69 static char *buildpath(const char *path);
70 static void changecookie(SoupCookieJar *jar, SoupCookie *o, SoupCookie *n, gpointer p);
71 static void cleanup(void);
72 static void clipboard(Client *c, const Arg *arg);
73 static void context(WebKitWebView *v, GtkMenu *m, Client *c);
74 static char *copystr(char **str, const char *src);
75 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c);
76 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, gchar *m, WebKitWebPolicyDecision *p, Client *c);
77 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c);
78 static void destroyclient(Client *c);
79 static void destroywin(GtkWidget* w, Client *c);
80 static void die(char *str);
81 static void download(Client *c, const Arg *arg);
82 static void drawindicator(Client *c);
83 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
84 static void find(Client *c, const Arg *arg);
85 static const char *getatom(Client *c, Atom a);
86 static char *geturi(Client *c);
87 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
88 static void itemclick(GtkMenuItem *mi, Client *c);
89 static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);
90 static void linkhover(WebKitWebView *v, const char* t, const char* l, Client *c);
91 static void loadcommit(WebKitWebView *v, WebKitWebFrame *f, Client *c);
92 static void loadstart(WebKitWebView *v, WebKitWebFrame *f, Client *c);
93 static void loaduri(Client *c, const Arg *arg);
94 static void navigate(Client *c, const Arg *arg);
95 static Client *newclient(void);
96 static void newwindow(Client *c, const Arg *arg);
97 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
98 static void print(Client *c, const Arg *arg);
99 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
100 static void progresschange(WebKitWebView *v, gint p, Client *c);
101 static void reload(Client *c, const Arg *arg);
102 static void reloadcookies();
103 static void resize(GtkWidget *w, GtkAllocation *a, Client *c);
104 static void scroll(Client *c, const Arg *arg);
105 static void setatom(Client *c, Atom a, const char *v);
106 static void setup(void);
107 static void sigchld(int unused);
108 static void source(Client *c, const Arg *arg);
109 static void spawn(Client *c, const Arg *arg);
110 static void stop(Client *c, const Arg *arg);
111 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const char* title, Client *c);
112 static void update(Client *c);
113 static void updatedownload(WebKitDownload *o, GParamSpec *pspec, Client *c);
114 static void updatewinid(Client *c);
115 static void usage(void);
116 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
117 static void zoom(Client *c, const Arg *arg);
119 /* configuration, allows nested code to access above variables */
123 buildpath(const char *path) {
127 /* creating directory */
129 apath = g_strdup(path);
131 apath = g_strconcat(g_get_home_dir(), "/", path, NULL);
132 if((p = strrchr(apath, '/'))) {
134 g_mkdir_with_parents(apath, 0755);
137 /* creating file (gives error when apath ends with "/") */
138 if((f = g_fopen(apath, "a")))
144 changecookie(SoupCookieJar *j, SoupCookie *oc, SoupCookie *c, gpointer p) {
150 if(c && c->expires == NULL) {
151 e = soup_date_new_from_time_t(time(NULL) + sessiontime);
152 c = soup_cookie_copy(c);
153 soup_cookie_set_expires(c, e);
156 jar = soup_cookie_jar_text_new(cookiefile, FALSE);
158 soup_cookie_jar_add_cookie(jar, soup_cookie_copy(c));
160 soup_cookie_jar_delete_cookie(jar, oc);
167 destroyclient(clients);
175 clipboard(Client *c, const Arg *arg) {
176 gboolean paste = *(gboolean *)arg;
179 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteuri, c);
181 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), c->linkhover ? c->linkhover : geturi(c), -1);
185 context(WebKitWebView *v, GtkMenu *m, Client *c) {
187 GtkContainer *parent;
189 gtk_widget_hide_all(GTK_WIDGET(m));
190 gtk_widget_show(GTK_WIDGET(m));
191 for(i = 0; i < LENGTH(items); i++) {
192 parent = GTK_CONTAINER(gtk_widget_get_parent(c->items[i]));
194 gtk_container_remove(parent, c->items[i]);
195 gtk_menu_shell_append(GTK_MENU_SHELL(m), c->items[i]);
196 gtk_widget_show(c->items[i]);
201 copystr(char **str, const char *src) {
213 createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c) {
214 Client *n = newclient();
219 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, gchar *m, WebKitWebPolicyDecision *p, Client *c) {
220 if(!webkit_web_view_can_show_mime_type(v, m)) {
221 webkit_web_policy_decision_download(p);
228 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) {
231 if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
232 webkit_web_policy_decision_ignore(p);
233 arg.v = (void *)webkit_network_request_get_uri(r);
234 newwindow(NULL, &arg);
241 destroyclient(Client *c) {
245 gtk_widget_destroy(c->indicator);
246 gtk_widget_destroy(GTK_WIDGET(c->view));
247 gtk_widget_destroy(c->scroll);
248 gtk_widget_destroy(c->vbox);
249 gtk_widget_destroy(c->win);
250 for(i = 0; i < LENGTH(items); i++)
251 gtk_widget_destroy(c->items[i]);
254 for(p = clients; p && p->next != c; p = p->next);
265 destroywin(GtkWidget* w, Client *c) {
276 download(Client *c, const Arg *arg) {
278 WebKitNetworkRequest *r;
282 uri = (char *)arg->v;
284 uri = c->linkhover ? c->linkhover : geturi(c);
285 r = webkit_network_request_new(uri);
286 dl = webkit_download_new(r);
287 initdownload(c->view, dl, c);
291 drawindicator(Client *c) {
298 uri = getatom(c, uriprop);
300 width = c->progress * w->allocation.width / 100;
301 gc = gdk_gc_new(w->window);
302 gdk_color_parse(strstr(uri, "https://") == uri ?
303 progress_trust : progress, &fg);
304 gdk_gc_set_rgb_fg_color(gc, &fg);
305 gdk_draw_rectangle(w->window,
306 w->style->bg_gc[GTK_WIDGET_STATE(w)],
307 TRUE, 0, 0, w->allocation.width, w->allocation.height);
308 gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
309 w->allocation.height);
314 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
320 find(Client *c, const Arg *arg) {
323 s = getatom(c, findprop);
324 gboolean forward = *(gboolean *)arg;
325 webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
329 getatom(Client *c, Atom a) {
330 static char buf[BUFSIZ];
333 unsigned long ldummy;
334 unsigned char *p = NULL;
336 XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
337 a, 0L, BUFSIZ, False, XA_STRING,
338 &adummy, &idummy, &ldummy, &ldummy, &p);
340 strncpy(buf, (char *)p, LENGTH(buf)-1);
351 if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
357 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
358 const char *filename;
363 filename = webkit_download_get_suggested_filename(o);
364 if(!strcmp("", filename))
365 filename = "index.html";
366 uri = g_strconcat("file://", dldir, "/", filename, NULL);
367 webkit_download_set_destination_uri(c->download, uri);
370 html = g_strdup_printf("Download <b>%s</b>...", filename);
371 webkit_web_view_load_html_string(c->view, html,
372 webkit_download_get_uri(c->download));
373 g_signal_connect(c->download, "notify::progress", G_CALLBACK(updatedownload), c);
374 g_signal_connect(c->download, "notify::status", G_CALLBACK(updatedownload), c);
375 webkit_download_start(c->download);
377 c->title = copystr(&c->title, filename);
384 itemclick(GtkMenuItem *mi, Client *c) {
388 label = gtk_menu_item_get_label(mi);
389 for(i = 0; i < LENGTH(items); i++)
390 if(!strcmp(items[i].label, label))
391 items[i].func(c, &(items[i].arg));
395 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
397 gboolean processed = FALSE;
400 for(i = 0; i < LENGTH(keys); i++) {
401 if(gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
402 && CLEANMASK(ev->state) == keys[i].mod
404 keys[i].func(c, &(keys[i].arg));
412 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
414 c->linkhover = copystr(&c->linkhover, l);
415 else if(c->linkhover) {
423 loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
424 setatom(c, uriprop, geturi(c));
428 loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
435 loaduri(Client *c, const Arg *arg) {
437 const char *uri = (char *)arg->v;
439 u = g_strrstr(uri, "://") ? g_strdup(uri)
440 : g_strdup_printf("http://%s", uri);
441 webkit_web_view_load_uri(c->view, u);
443 c->title = copystr(&c->title, u);
449 navigate(Client *c, const Arg *arg) {
450 gint steps = *(gint *)arg;
451 webkit_web_view_go_back_or_forward(c->view, steps);
458 WebKitWebSettings *settings;
459 GdkGeometry hints = { 1, 1 };
462 if(!(c = calloc(1, sizeof(Client))))
463 die("Cannot malloc!\n");
466 c->win = gtk_plug_new(embed);
469 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
470 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
472 gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
473 g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
474 g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
475 g_signal_connect(G_OBJECT(c->win), "size-allocate", G_CALLBACK(resize), c);
477 if(!(c->items = calloc(1, sizeof(GtkWidget *) * LENGTH(items))))
478 die("Cannot malloc!\n");
481 for(i = 0; i < LENGTH(items); i++) {
482 c->items[i] = gtk_menu_item_new_with_label(items[i].label);
483 g_signal_connect(G_OBJECT(c->items[i]), "activate",
484 G_CALLBACK(itemclick), c);
488 c->vbox = gtk_vbox_new(FALSE, 0);
490 /* Scrolled Window */
491 c->scroll = gtk_scrolled_window_new(NULL, NULL);
492 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
493 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
496 c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
497 g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
498 g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
499 g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
500 g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
501 g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
502 g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(createwindow), c);
503 g_signal_connect(G_OBJECT(c->view), "new-window-policy-decision-requested", G_CALLBACK(decidewindow), c);
504 g_signal_connect(G_OBJECT(c->view), "mime-type-policy-decision-requested", G_CALLBACK(decidedownload), c);
505 g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
506 g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
507 g_signal_connect(G_OBJECT(c->view), "populate-popup", G_CALLBACK(context), c);
510 c->indicator = gtk_drawing_area_new();
511 gtk_widget_set_size_request(c->indicator, 0, 2);
512 g_signal_connect (G_OBJECT (c->indicator), "expose_event",
513 G_CALLBACK (exposeindicator), c);
516 gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
517 gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
518 gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
519 gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
522 gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
523 gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
524 gtk_widget_grab_focus(GTK_WIDGET(c->view));
525 gtk_widget_show(c->vbox);
526 gtk_widget_show(c->indicator);
527 gtk_widget_show(c->scroll);
528 gtk_widget_show(GTK_WIDGET(c->view));
529 gtk_widget_show(c->win);
530 gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints, GDK_HINT_MIN_SIZE);
531 gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
532 gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
533 webkit_web_view_set_full_content_zoom(c->view, TRUE);
534 settings = webkit_web_view_get_settings(c->view);
535 if(!(ua = getenv("SURF_USERAGENT")))
537 g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
538 uri = g_strconcat("file://", stylefile, NULL);
539 g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
541 setatom(c, findprop, "");
548 gdk_display_sync(gtk_widget_get_display(c->win));
549 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
556 newwindow(Client *c, const Arg *arg) {
558 const char *cmd[7], *uri;
559 const Arg a = { .v = (void *)cmd };
565 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
572 uri = arg->v ? (char *)arg->v : c->linkhover;
580 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
581 Arg arg = {.v = text };
583 loaduri((Client *) d, &arg);
587 print(Client *c, const Arg *arg) {
588 webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
592 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
593 Client *c = (Client *)d;
597 if(((XEvent *)e)->type == PropertyNotify) {
598 ev = &((XEvent *)e)->xproperty;
601 else if(ev->state == PropertyNewValue) {
602 if(ev->atom == uriprop) {
603 arg.v = getatom(c, uriprop);
606 else if(ev->atom == findprop) {
610 return GDK_FILTER_REMOVE;
613 return GDK_FILTER_CONTINUE;
617 progresschange(WebKitWebView *v, gint p, Client *c) {
623 reload(Client *c, const Arg *arg) {
624 gboolean nocache = *(gboolean *)arg;
626 webkit_web_view_reload_bypass_cache(c->view);
628 webkit_web_view_reload(c->view);
637 for(l = e = soup_cookie_jar_all_cookies(cookies); e; e = e->next)
638 soup_cookie_jar_delete_cookie(cookies, (SoupCookie *)e->data);
639 soup_cookies_free(l);
640 jar = soup_cookie_jar_text_new(cookiefile, TRUE);
641 for(l = e = soup_cookie_jar_all_cookies(jar); e; e = e->next)
642 soup_cookie_jar_add_cookie(cookies, (SoupCookie *)e->data);
649 resize(GtkWidget *w, GtkAllocation *a, Client *c) {
654 zoom = webkit_web_view_get_zoom_level(c->view);
655 if(a->width * a->height < 300 * 400 && zoom != 0.2)
656 webkit_web_view_set_zoom_level(c->view, 0.2);
658 webkit_web_view_set_zoom_level(c->view, 1.0);
662 scroll(Client *c, const Arg *arg) {
666 a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
667 v = gtk_adjustment_get_value(a);
668 v += gtk_adjustment_get_step_increment(a) * arg->i;
670 v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
671 gtk_adjustment_set_value(a, v);
675 setatom(Client *c, Atom a, const char *v) {
678 XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), a,
679 XA_STRING, 8, PropModeReplace, (unsigned char *)v,
689 /* clean up any zombies immediately */
691 gtk_init(NULL, NULL);
692 if (!g_thread_supported())
696 session = webkit_get_default_session();
697 uriprop = XInternAtom(dpy, "_SURF_URI", False);
698 findprop = XInternAtom(dpy, "_SURF_FIND", False);
700 /* create dirs and files */
701 cookiefile = buildpath(cookiefile);
702 dldir = buildpath(dldir);
703 scriptfile = buildpath(scriptfile);
704 stylefile = buildpath(stylefile);
706 /* cookie persistance */
707 s = webkit_get_default_session();
708 cookies = soup_cookie_jar_new();
709 soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookies));
710 g_signal_connect(cookies, "changed", G_CALLBACK(changecookie), NULL);
711 if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
712 puri = soup_uri_new(proxy);
713 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
720 sigchld(int unused) {
721 if(signal(SIGCHLD, sigchld) == SIG_ERR)
722 die("Can't install SIGCHLD handler");
723 while(0 < waitpid(-1, NULL, WNOHANG));
727 source(Client *c, const Arg *arg) {
728 Arg a = { .b = FALSE };
731 s = webkit_web_view_get_view_source_mode(c->view);
732 webkit_web_view_set_view_source_mode(c->view, !s);
737 spawn(Client *c, const Arg *arg) {
740 close(ConnectionNumber(dpy));
742 execvp(((char **)arg->v)[0], (char **)arg->v);
743 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
750 stop(Client *c, const Arg *arg) {
752 webkit_download_cancel(c->download);
754 webkit_web_view_stop_loading(c->view);
759 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
760 c->title = copystr(&c->title, t);
768 if(c->progress != 100)
769 t = g_strdup_printf("[%i%%] %s", c->progress, c->title);
770 else if(c->linkhover)
771 t = g_strdup(c->linkhover);
773 t = g_strdup(c->title);
775 gtk_window_set_title(GTK_WINDOW(c->win), t);
780 updatedownload(WebKitDownload *o, GParamSpec *pspec, Client *c) {
781 WebKitDownloadStatus status;
783 status = webkit_download_get_status(c->download);
784 if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
785 c->progress = (gint)(webkit_download_get_progress(c->download)*100);
791 updatewinid(Client *c) {
792 snprintf(winid, LENGTH(winid), "%u",
793 (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
798 fputs("surf - simple browser\n", stderr);
799 die("usage: surf [-e Window] [-x] [uri]\n");
803 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
804 JSStringRef jsscript;
806 JSValueRef exception = NULL;
809 if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
810 jsscript = JSStringCreateWithUTF8CString(script);
811 JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
816 zoom(Client *c, const Arg *arg) {
818 if(arg->i < 0) /* zoom out */
819 webkit_web_view_zoom_out(c->view);
820 else if(arg->i > 0) /* zoom in */
821 webkit_web_view_zoom_in(c->view);
824 webkit_web_view_set_zoom_level(c->view, 1.0);
828 int main(int argc, char *argv[]) {
833 /* command line args */
834 for(i = 1, arg.v = NULL; i < argc && argv[i][0] == '-'; i++) {
835 if(!strcmp(argv[i], "-x"))
837 else if(!strcmp(argv[i], "-e")) {
839 embed = atoi(argv[i]);
843 else if(!strcmp(argv[i], "--")) {
847 else if(!strcmp(argv[i], "-v"))
848 die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
857 loaduri(clients, &arg);