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>
23 #define LENGTH(x) (sizeof x / sizeof x[0])
24 #define CLEANMASK(mask) (mask & ~(GDK_MOD2_MASK))
26 enum { AtomFind, AtomGo, AtomUri, AtomHiLight, AtomLast };
28 typedef union Arg Arg;
35 typedef struct Client {
36 GtkWidget *win, *scroll, *vbox, *indicator;
38 char *title, *linkhover;
39 const char *uri, *needle;
47 void (*func)(Client *c, const Arg *arg);
54 void (*func)(Client *c, const Arg *arg);
59 static Atom atoms[AtomLast];
60 static Client *clients = NULL;
61 static GdkNativeWindow embed = 0;
62 static gboolean showxid = FALSE;
63 static char winid[64];
64 static char *progname;
65 static gboolean loadimage = 1, plugin = 1, script = 1;
67 static char *buildpath(const char *path);
68 static void cleanup(void);
69 static void clipboard(Client *c, const Arg *arg);
70 static char *copystr(char **str, const char *src);
71 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c);
72 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, gchar *m, WebKitWebPolicyDecision *p, Client *c);
73 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c);
74 static void destroyclient(Client *c);
75 static void destroywin(GtkWidget* w, Client *c);
76 static void die(char *str);
77 static void drawindicator(Client *c);
78 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
79 static void find(Client *c, const Arg *arg);
80 static const char *getatom(Client *c, int a);
81 static const char *getcookies(SoupURI *uri);
82 static char *geturi(Client *c);
83 void gotheaders(SoupMessage *msg, gpointer user_data);
84 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
85 static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);
86 static void linkhover(WebKitWebView *v, const char* t, const char* l, Client *c);
87 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
88 static void loaduri(Client *c, const Arg *arg);
89 static void navigate(Client *c, const Arg *arg);
90 static Client *newclient(void);
91 static void newwindow(Client *c, const Arg *arg);
92 static void newrequest(SoupSession *s, SoupMessage *msg, gpointer v);
93 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
94 static void print(Client *c, const Arg *arg);
95 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
96 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
97 static void reload(Client *c, const Arg *arg);
98 static void resize(GtkWidget *w, GtkAllocation *a, Client *c);
99 static void scroll(Client *c, const Arg *arg);
100 static void setatom(Client *c, int a, const char *v);
101 static void setcookie(SoupCookie *c);
102 static void setup(void);
103 static void sigchld(int unused);
104 static void source(Client *c, const Arg *arg);
105 static void spawn(Client *c, const Arg *arg);
106 static void stop(Client *c, const Arg *arg);
107 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const char* title, Client *c);
108 static void update(Client *c);
109 static void updatewinid(Client *c);
110 static void usage(void);
111 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
112 static void zoom(Client *c, const Arg *arg);
114 /* configuration, allows nested code to access above variables */
118 buildpath(const char *path) {
122 /* creating directory */
124 apath = g_strdup(path);
126 apath = g_strconcat(g_get_home_dir(), "/", path, NULL);
127 if((p = strrchr(apath, '/'))) {
129 g_mkdir_with_parents(apath, 0755);
132 /* creating file (gives error when apath ends with "/") */
133 if((f = fopen(apath, "a")))
141 destroyclient(clients);
148 runscript(WebKitWebFrame *frame, JSContextRef js) {
149 JSStringRef jsscript;
151 JSValueRef exception = NULL;
154 if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
155 jsscript = JSStringCreateWithUTF8CString(script);
156 JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
161 clipboard(Client *c, const Arg *arg) {
162 gboolean paste = *(gboolean *)arg;
165 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteuri, c);
167 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), c->linkhover ? c->linkhover : geturi(c), -1);
171 copystr(char **str, const char *src) {
183 createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c) {
184 Client *n = newclient();
189 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, gchar *m, WebKitWebPolicyDecision *p, Client *c) {
190 if(!webkit_web_view_can_show_mime_type(v, m)) {
191 webkit_web_policy_decision_ignore(p);
192 webkit_web_view_load_html_string(c->view,
193 "Can't display content.",
194 webkit_network_request_get_uri(r));
201 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) {
204 if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
205 webkit_web_policy_decision_ignore(p);
206 arg.v = (void *)webkit_network_request_get_uri(r);
207 newwindow(NULL, &arg);
214 destroyclient(Client *c) {
217 gtk_widget_destroy(c->indicator);
218 gtk_widget_destroy(GTK_WIDGET(c->view));
219 gtk_widget_destroy(c->scroll);
220 gtk_widget_destroy(c->vbox);
221 gtk_widget_destroy(c->win);
223 for(p = clients; p && p->next != c; p = p->next);
234 destroywin(GtkWidget* w, Client *c) {
245 drawindicator(Client *c) {
254 width = c->progress * w->allocation.width / 100;
255 gc = gdk_gc_new(w->window);
256 gdk_color_parse(strstr(uri, "https://") == uri ?
257 progress_trust : progress, &fg);
258 gdk_gc_set_rgb_fg_color(gc, &fg);
259 gdk_draw_rectangle(w->window,
260 w->style->bg_gc[GTK_WIDGET_STATE(w)],
261 TRUE, 0, 0, w->allocation.width, w->allocation.height);
262 gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
263 w->allocation.height);
268 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
274 find(Client *c, const Arg *arg) {
277 s = getatom(c, AtomFind);
278 gboolean forward = *(gboolean *)arg;
279 webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
283 getcookies(SoupURI *uri) {
285 SoupCookieJar *j = soup_cookie_jar_text_new(cookiefile, TRUE);
286 c = soup_cookie_jar_get_cookies(j, uri, TRUE);
292 getatom(Client *c, int a) {
293 static char buf[BUFSIZ];
296 unsigned long ldummy;
297 unsigned char *p = NULL;
299 XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
300 atoms[a], 0L, BUFSIZ, False, XA_STRING,
301 &adummy, &idummy, &ldummy, &ldummy, &p);
303 strncpy(buf, (char *)p, LENGTH(buf)-1);
314 if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
320 gotheaders(SoupMessage *msg, gpointer v) {
324 uri = soup_message_get_uri(msg);
325 for(p = l = soup_cookies_from_response(msg); p;
326 p = g_slist_next(p)) {
327 setcookie((SoupCookie *)p->data);
329 soup_cookies_free(l);
333 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
337 arg = (Arg)DOWNLOAD("_SURF_HILIGHT");
343 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
345 gboolean processed = FALSE;
348 for(i = 0; i < LENGTH(keys); i++) {
349 if(gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
350 && CLEANMASK(ev->state) == keys[i].mod
352 keys[i].func(c, &(keys[i].arg));
360 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
362 c->linkhover = copystr(&c->linkhover, l);
364 else if(c->linkhover) {
372 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
373 switch(webkit_web_view_get_load_status (c->view)) {
374 case WEBKIT_LOAD_COMMITTED:
375 setatom(c, AtomUri, geturi(c));
377 case WEBKIT_LOAD_FINISHED:
387 loaduri(Client *c, const Arg *arg) {
389 const char *uri = (char *)arg->v;
390 Arg a = { .b = FALSE };
392 if(strcmp(uri, "") == 0)
394 u = g_strrstr(uri, "://") ? g_strdup(uri)
395 : g_strdup_printf("http://%s", uri);
396 /* prevents endless loop */
397 if(c->uri && strcmp(u, c->uri) == 0) {
401 webkit_web_view_load_uri(c->view, u);
403 c->title = copystr(&c->title, u);
410 navigate(Client *c, const Arg *arg) {
411 int steps = *(int *)arg;
412 webkit_web_view_go_back_or_forward(c->view, steps);
418 WebKitWebSettings *settings;
419 WebKitWebFrame *frame;
420 GdkGeometry hints = { 1, 1 };
423 if(!(c = calloc(1, sizeof(Client))))
424 die("Cannot malloc!\n");
427 c->win = gtk_plug_new(embed);
430 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
431 /* TA: 20091214: Despite what the GNOME docs say, the ICCCM
432 * is always correct, so we should still call this function.
433 * But when doing so, we *must* differentiate between a
434 * WM_CLASS and a resource on the window. By convention, the
435 * window class (WM_CLASS) is capped, while the resource is in
436 * lowercase. Both these values come as a pair.
438 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
440 /* TA: 20091214: And set the role here as well -- so that
441 * sessions can pick this up.
443 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
445 gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
446 g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
447 g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
448 g_signal_connect(G_OBJECT(c->win), "size-allocate", G_CALLBACK(resize), c);
451 c->vbox = gtk_vbox_new(FALSE, 0);
453 /* Scrolled Window */
454 c->scroll = gtk_scrolled_window_new(NULL, NULL);
455 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
456 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
459 c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
460 g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
461 g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
462 g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(createwindow), c);
463 g_signal_connect(G_OBJECT(c->view), "new-window-policy-decision-requested", G_CALLBACK(decidewindow), c);
464 g_signal_connect(G_OBJECT(c->view), "mime-type-policy-decision-requested", G_CALLBACK(decidedownload), c);
465 g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
466 g_signal_connect(G_OBJECT(c->view), "notify::load-status", G_CALLBACK(loadstatuschange), c);
467 g_signal_connect(G_OBJECT(c->view), "notify::progress", G_CALLBACK(progresschange), c);
468 g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
471 c->indicator = gtk_drawing_area_new();
472 gtk_widget_set_size_request(c->indicator, 0, 2);
473 g_signal_connect (G_OBJECT (c->indicator), "expose_event",
474 G_CALLBACK (exposeindicator), c);
477 gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
478 gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
479 gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
480 gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
483 gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
484 gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
485 gtk_widget_grab_focus(GTK_WIDGET(c->view));
486 gtk_widget_show(c->vbox);
487 gtk_widget_show(c->indicator);
488 gtk_widget_show(c->scroll);
489 gtk_widget_show(GTK_WIDGET(c->view));
490 gtk_widget_show(c->win);
491 gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints, GDK_HINT_MIN_SIZE);
492 gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
493 gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
494 webkit_web_view_set_full_content_zoom(c->view, TRUE);
495 frame = webkit_web_view_get_main_frame(c->view);
496 runscript(frame, webkit_web_frame_get_global_context(frame));
497 settings = webkit_web_view_get_settings(c->view);
498 if(!(ua = getenv("SURF_USERAGENT")))
500 g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
501 uri = g_strconcat("file://", stylefile, NULL);
502 g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
503 g_object_set(G_OBJECT(settings), "auto-load-images", loadimage, NULL);
504 g_object_set(G_OBJECT(settings), "enable-plugins", plugin, NULL);
505 g_object_set(G_OBJECT(settings), "enable-scripts", script, NULL);
508 setatom(c, AtomFind, "");
509 setatom(c, AtomUri, "about:blank");
510 setatom(c, AtomHiLight, "about:blank");
512 webkit_web_view_set_transparent(c->view, TRUE);
518 gdk_display_sync(gtk_widget_get_display(c->win));
519 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
526 newrequest(SoupSession *s, SoupMessage *msg, gpointer v) {
527 SoupMessageHeaders *h = msg->request_headers;
531 soup_message_headers_remove(h, "Cookie");
532 uri = soup_message_get_uri(msg);
533 if((c = getcookies(uri)))
534 soup_message_headers_append(h, "Cookie", c);
535 g_signal_connect_after(G_OBJECT(msg), "got-headers", G_CALLBACK(gotheaders), NULL);
539 newwindow(Client *c, const Arg *arg) {
541 const char *cmd[10], *uri;
542 const Arg a = { .v = (void *)cmd };
548 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
560 uri = arg->v ? (char *)arg->v : c->linkhover;
568 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
569 Arg arg = {.v = text };
571 loaduri((Client *) d, &arg);
575 print(Client *c, const Arg *arg) {
576 webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
580 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
581 Client *c = (Client *)d;
585 if(((XEvent *)e)->type == PropertyNotify) {
586 ev = &((XEvent *)e)->xproperty;
587 if(ev->state == PropertyNewValue) {
588 if(ev->atom == atoms[AtomFind]) {
591 return GDK_FILTER_REMOVE;
593 else if(ev->atom == atoms[AtomGo]) {
594 arg.v = getatom(c, AtomGo);
596 return GDK_FILTER_REMOVE;
600 return GDK_FILTER_CONTINUE;
604 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
605 c->progress = webkit_web_view_get_progress(c->view) * 100;
610 reload(Client *c, const Arg *arg) {
611 gboolean nocache = *(gboolean *)arg;
613 webkit_web_view_reload_bypass_cache(c->view);
615 webkit_web_view_reload(c->view);
619 resize(GtkWidget *w, GtkAllocation *a, Client *c) {
624 zoom = webkit_web_view_get_zoom_level(c->view);
625 if(a->width * a->height < 300 * 400 && zoom != 0.2)
626 webkit_web_view_set_zoom_level(c->view, 0.2);
628 webkit_web_view_set_zoom_level(c->view, 1.0);
632 scroll(Client *c, const Arg *arg) {
636 a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
637 v = gtk_adjustment_get_value(a);
638 v += gtk_adjustment_get_step_increment(a) * arg->i;
640 v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
641 gtk_adjustment_set_value(a, v);
645 setcookie(SoupCookie *c) {
648 lock = open(cookiefile, 0);
649 flock(lock, LOCK_EX);
651 SoupCookieJar *j = soup_cookie_jar_text_new(cookiefile, FALSE);
652 c = soup_cookie_copy(c);
653 if(c->expires == NULL && sessiontime) {
654 e = soup_date_new_from_time_t(time(NULL) + sessiontime);
655 soup_cookie_set_expires(c, e);
657 soup_cookie_jar_add_cookie(j, c);
659 flock(lock, LOCK_UN);
664 setatom(Client *c, int a, const char *v) {
666 XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), atoms[a],
667 XA_STRING, 8, PropModeReplace, (unsigned char *)v,
678 /* clean up any zombies immediately */
680 gtk_init(NULL, NULL);
681 if (!g_thread_supported())
685 s = webkit_get_default_session();
688 atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
689 atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
690 atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
691 atoms[AtomHiLight] = XInternAtom(dpy, "_SURF_HILIGHT", False);
694 cookiefile = buildpath(cookiefile);
695 scriptfile = buildpath(scriptfile);
696 stylefile = buildpath(stylefile);
698 /* request handler */
699 s = webkit_get_default_session();
700 soup_session_remove_feature_by_type(s, soup_cookie_get_type());
701 soup_session_remove_feature_by_type(s, soup_cookie_jar_get_type());
702 g_signal_connect_after(G_OBJECT(s), "request-started", G_CALLBACK(newrequest), NULL);
705 if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
706 new_proxy = g_strrstr(proxy, "http://") ? g_strdup(proxy) :
707 g_strdup_printf("http://%s", proxy);
708 puri = soup_uri_new(new_proxy);
709 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
716 sigchld(int unused) {
717 if(signal(SIGCHLD, sigchld) == SIG_ERR)
718 die("Can't install SIGCHLD handler");
719 while(0 < waitpid(-1, NULL, WNOHANG));
723 source(Client *c, const Arg *arg) {
724 Arg a = { .b = FALSE };
727 s = webkit_web_view_get_view_source_mode(c->view);
728 webkit_web_view_set_view_source_mode(c->view, !s);
733 spawn(Client *c, const Arg *arg) {
736 close(ConnectionNumber(dpy));
738 execvp(((char **)arg->v)[0], (char **)arg->v);
739 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
746 stop(Client *c, const Arg *arg) {
747 webkit_web_view_stop_loading(c->view);
751 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
752 c->title = copystr(&c->title, t);
760 if(c->progress != 100)
761 t = g_strdup_printf("[%i%%] %s", c->progress, c->title);
762 else if(c->linkhover)
763 t = g_strdup(c->linkhover);
765 t = g_strdup(c->title);
766 setatom(c, AtomHiLight, c->linkhover ? c->linkhover : geturi(c));
768 gtk_window_set_title(GTK_WINDOW(c->win), t);
773 updatewinid(Client *c) {
774 snprintf(winid, LENGTH(winid), "%u",
775 (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
780 fputs("surf - simple browser\n", stderr);
781 die("usage: surf [-e xid] [-i] [-p] [-s] [-v] [-x] [uri]\n");
785 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
786 runscript(frame, js);
790 zoom(Client *c, const Arg *arg) {
792 if(arg->i < 0) /* zoom out */
793 webkit_web_view_zoom_out(c->view);
794 else if(arg->i > 0) /* zoom in */
795 webkit_web_view_zoom_in(c->view);
798 webkit_web_view_set_zoom_level(c->view, 1.0);
803 main(int argc, char *argv[]) {
808 /* command line args */
809 for(i = 1, arg.v = NULL; i < argc && argv[i][0] == '-' &&
810 argv[i][1] != '\0' && argv[i][2] == '\0'; i++) {
811 if(!strcmp(argv[i], "--")) {
818 embed = atoi(argv[i]);
835 die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
845 loaduri(clients, &arg);