surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <X11/X.h>
   6 #include <X11/Xatom.h>
   7 #include <gtk/gtk.h>
   8 #include <gdk/gdkx.h>
   9 #include <gdk/gdk.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <string.h>
  12 #include <unistd.h>
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15 #include <webkit/webkit.h>
  16 #include <glib/gstdio.h>
  17 #include <JavaScriptCore/JavaScript.h>
  18
  19 #define LENGTH(x)               (sizeof x / sizeof x[0])
  20 #define CLEANMASK(mask)         (mask & ~(GDK_MOD2_MASK))
  21
  22 typedef union Arg Arg;
  23 union Arg {
  24         const gboolean b;
  25         const gint i;
  26         const void *v;
  27 };
  28
  29 typedef struct Client {
  30         GtkWidget *win, *scroll, *vbox, *urlbar, *searchbar, *indicator;
  31         WebKitWebView *view;
  32         WebKitDownload *download;
  33         gchar *title;
  34         gint progress;
  35         struct Client *next;
  36 } Client;
  37
  38 typedef struct Cookie {
  39         char *name;
  40         char *value;
  41         char *domain;
  42         char *path;
  43         struct Cookie *next;
  44 } Cookie;
  45
  46 typedef enum {
  47         Browser = 0x0001,
  48         SearchBar = 0x0010,
  49         UrlBar = 0x0100,
  50         Any = ~0,
  51 } KeyFocus;
  52
  53 typedef struct {
  54         guint mod;
  55         guint keyval;
  56         void (*func)(Client *c, const Arg *arg);
  57         const Arg arg;
  58         KeyFocus focus;
  59 } Key;
  60
  61 static Display *dpy;
  62 static Atom urlprop;
  63 static SoupCookieJar *cookiejar;
  64 static SoupSession *session;
  65 static Client *clients = NULL;
  66 /*static Cookie *cookies = NULL;*/
  67 static GdkNativeWindow embed = 0;
  68 static gboolean showxid = FALSE;
  69 static gboolean ignore_once = FALSE;
  70
  71 static gchar *buildpath(const gchar *path);
  72 static void cleanup(void);
  73 static void clipboard(Client *c, const Arg *arg);
  74 static gchar *copystr(gchar **str, const gchar *src);
  75 static void destroyclient(Client *c);
  76 static void destroywin(GtkWidget* w, Client *c);
  77 static void die(char *str);
  78 static void download(WebKitDownload *o, GParamSpec *pspec, Client *c);
  79 static void drawindicator(Client *c);
  80 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
  81 static gboolean initdownload(WebKitWebView *view, WebKitDownload *o, Client *c);
  82 static gchar *geturi(Client *c);
  83 static void hidesearch(Client *c, const Arg *arg);
  84 static void hideurl(Client *c, const Arg *arg);
  85 static gboolean keypress(GtkWidget* w, GdkEventKey *ev, Client *c);
  86 static void linkhover(WebKitWebView* page, const gchar* t, const gchar* l, Client *c);
  87 static void loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c);
  88 static void loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c);
  89 static void loaduri(Client *c, const Arg *arg);
  90 static void navigate(Client *c, const Arg *arg);
  91 static Client *newclient(void);
  92 static WebKitWebView *newwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c);
  93 static void pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d);
  94 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
  95 static void print(Client *c, const Arg *arg);
  96 static void proccookies(SoupMessage *m, Client *c);
  97 static void progresschange(WebKitWebView *view, gint p, Client *c);
  98 static void request(SoupSession *s, SoupMessage *m, Client *c);
  99 static void reload(Client *c, const Arg *arg);
 100 static void rereadcookies(void);
 101 static void setcookie(char *name, char *val, char *dom, char *path, long exp);
 102 static void setup(void);
 103 static void titlechange(WebKitWebView* view, WebKitWebFrame* frame, const gchar* title, Client *c);
 104 static void scroll(Client *c, const Arg *arg);
 105 static void searchtext(Client *c, const Arg *arg);
 106 static void source(Client *c, const Arg *arg);
 107 static void showsearch(Client *c, const Arg *arg);
 108 static void showurl(Client *c, const Arg *arg);
 109 static void stop(Client *c, const Arg *arg);
 110 static void titlechange(WebKitWebView* view, WebKitWebFrame* frame, const gchar* title, Client *c);
 111 static gboolean unfocusbar(GtkWidget *w, GdkEventFocus *e, Client *c);
 112 static void usage(void);
 113 static void update(Client *c);
 114 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
 115 static void zoom(Client *c, const Arg *arg);
 116
 117 /* configuration, allows nested code to access above variables */
 118 #include "config.h"
 119
 120 gchar *
 121 buildpath(const gchar *path) {
 122         gchar *apath, *p;
 123         FILE *f;
 124
 125         /* creating directory */
 126         if(path[0] == '/')
 127                 apath = g_strdup(path);
 128         else
 129                 apath = g_strconcat(g_get_home_dir(), "/", path, NULL);
 130         if((p = strrchr(apath, '/'))) {
 131                 *p = '\0';
 132                 g_mkdir_with_parents(apath, 0755);
 133                 *p = '/';
 134         }
 135         /* creating file (gives error when apath ends with "/") */
 136         if((f = g_fopen(apath, "a")))
 137                 fclose(f);
 138         return apath;
 139 }
 140
 141 void
 142 cleanup(void) {
 143         while(clients)
 144                 destroyclient(clients);
 145         g_free(cookiefile);
 146         g_free(dldir);
 147         g_free(scriptfile);
 148         g_free(stylefile);
 149 }
 150
 151 void
 152 clipboard(Client *c, const Arg *arg) {
 153         gboolean paste = *(gboolean *)arg;
 154
 155         if(paste)
 156                 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteurl, c);
 157         else
 158                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), webkit_web_view_get_uri(c->view), -1);
 159 }
 160
 161 gchar *
 162 copystr(gchar **str, const gchar *src) {
 163         gchar *tmp;
 164         tmp = g_strdup(src);
 165
 166         if(str && *str) {
 167                 g_free(*str);
 168                 *str = tmp;
 169         }
 170         return tmp;
 171 }
 172
 173 void
 174 destroyclient(Client *c) {
 175         Client *p;
 176
 177         gtk_widget_destroy(GTK_WIDGET(c->view));
 178         gtk_widget_destroy(c->scroll);
 179         gtk_widget_destroy(c->urlbar);
 180         gtk_widget_destroy(c->searchbar);
 181         gtk_widget_destroy(c->vbox);
 182         gtk_widget_destroy(c->win);
 183         for(p = clients; p && p->next != c; p = p->next);
 184         if(p)
 185                 p->next = c->next;
 186         else
 187                 clients = c->next;
 188         free(c);
 189         if(clients == NULL)
 190                 gtk_main_quit();
 191 }
 192
 193 void
 194 destroywin(GtkWidget* w, Client *c) {
 195         destroyclient(c);
 196 }
 197
 198 void
 199 die(char *str) {
 200         fputs(str, stderr);
 201         exit(EXIT_FAILURE);
 202 }
 203
 204 void
 205 drawindicator(Client *c) {
 206         gint width;
 207         gchar *uri;
 208         GtkWidget *w;
 209         GdkGC *gc;
 210         GdkColor fg;
 211
 212         uri = geturi(c);
 213         w = c->indicator;
 214         width = c->progress * w->allocation.width / 100;
 215         gc = gdk_gc_new(w->window);
 216         gdk_color_parse(strstr(uri, "https://") == uri ?
 217                         progress_trust : progress, &fg);
 218         gdk_gc_set_rgb_fg_color(gc, &fg);
 219         gdk_draw_rectangle(w->window,
 220                         w->style->bg_gc[GTK_WIDGET_STATE(w)],
 221                         TRUE, 0, 0, w->allocation.width, w->allocation.height);
 222         gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
 223                         w->allocation.height);
 224         g_object_unref(gc);
 225 }
 226
 227 gboolean
 228 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
 229         drawindicator(c);
 230         return TRUE;
 231 }
 232
 233 void
 234 download(WebKitDownload *o, GParamSpec *pspec, Client *c) {
 235         WebKitDownloadStatus status;
 236
 237         status = webkit_download_get_status(c->download);
 238         if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
 239                 c->progress = (gint)(webkit_download_get_progress(c->download)*100);
 240         }
 241         update(c);
 242 }
 243
 244 gboolean
 245 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 246         const gchar *filename;
 247         gchar *uri, *html;
 248
 249         stop(c, NULL);
 250         c->download = o;
 251         filename = webkit_download_get_suggested_filename(o);
 252         uri = g_strconcat("file://", dldir, "/", filename, NULL);
 253         webkit_download_set_destination_uri(c->download, uri);
 254         c->progress = 0;
 255         g_free(uri);
 256         html = g_strdup_printf("Download <b>%s</b>...", filename);
 257         webkit_web_view_load_html_string(c->view, html,
 258                         webkit_download_get_uri(c->download));
 259         g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c);
 260         g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c);
 261         webkit_download_start(c->download);
 262
 263         c->title = copystr(&c->title, filename);
 264         update(c);
 265         g_free(html);
 266         return TRUE;
 267 }
 268
 269 gchar *
 270 geturi(Client *c) {
 271         gchar *uri;
 272
 273         if(!(uri = (gchar *)webkit_web_view_get_uri(c->view)))
 274                 uri = copystr(NULL, "about:blank");
 275         return uri;
 276 }
 277
 278 void
 279 hidesearch(Client *c, const Arg *arg) {
 280         gtk_widget_hide(c->searchbar);
 281         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 282 }
 283
 284 void
 285 hideurl(Client *c, const Arg *arg) {
 286         gtk_widget_hide(c->urlbar);
 287         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 288 }
 289
 290 gboolean
 291 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 292         guint i, focus;
 293         gboolean processed = FALSE;
 294
 295         if(ev->type != GDK_KEY_PRESS)
 296                 return FALSE;
 297         if(GTK_WIDGET_HAS_FOCUS(c->searchbar))
 298                 focus = SearchBar;
 299         else if(GTK_WIDGET_HAS_FOCUS(c->urlbar))
 300                 focus = UrlBar;
 301         else
 302                 focus = Browser;
 303         for(i = 0; i < LENGTH(keys); i++) {
 304                 if(focus & keys[i].focus
 305                                 && gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
 306                                 && CLEANMASK(ev->state) == keys[i].mod
 307                                 && keys[i].func) {
 308                         keys[i].func(c, &(keys[i].arg));
 309                         processed = TRUE;
 310                 }
 311         }
 312         return processed;
 313 }
 314
 315 void
 316 linkhover(WebKitWebView* page, const gchar* t, const gchar* l, Client *c) {
 317         if(l)
 318                 gtk_window_set_title(GTK_WINDOW(c->win), l);
 319         else
 320                 update(c);
 321 }
 322
 323 void
 324 loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 325         gchar *uri;
 326
 327         ignore_once = TRUE;
 328         uri = geturi(c);
 329         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), urlprop,
 330                         XA_STRING, 8, PropModeReplace, (unsigned char *)uri,
 331                         strlen(uri) + 1);
 332 }
 333
 334 void
 335 loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 336         c->progress = 0;
 337         update(c);
 338 }
 339
 340 void
 341 loaduri(Client *c, const Arg *arg) {
 342         gchar *u;
 343         const gchar *uri = (gchar *)arg->v;
 344         if(!uri)
 345                 uri = gtk_entry_get_text(GTK_ENTRY(c->urlbar));
 346         u = g_strrstr(uri, "://") ? g_strdup(uri)
 347                 : g_strdup_printf("http://%s", uri);
 348         webkit_web_view_load_uri(c->view, u);
 349         c->progress = 0;
 350         c->title = copystr(&c->title, u);
 351         g_free(u);
 352         update(c);
 353 }
 354
 355 void
 356 navigate(Client *c, const Arg *arg) {
 357         gint steps = *(gint *)arg;
 358         webkit_web_view_go_back_or_forward(c->view, steps);
 359 }
 360
 361 Client *
 362 newclient(void) {
 363         Client *c;
 364         WebKitWebSettings *settings;
 365         gchar *uri;
 366
 367         if(!(c = calloc(1, sizeof(Client))))
 368                 die("Cannot malloc!\n");
 369         /* Window */
 370         if(embed) {
 371                 c->win = gtk_plug_new(embed);
 372         }
 373         else {
 374                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 375                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
 376         }
 377         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 378         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
 379         g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
 380
 381         /* VBox */
 382         c->vbox = gtk_vbox_new(FALSE, 0);
 383
 384         /* scrolled window */
 385         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 386         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 387                         GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 388
 389         /* webview */
 390         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 391         g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
 392         g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
 393         g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
 394         g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
 395         g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
 396         g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(newwindow), c);
 397         g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
 398         g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
 399         g_signal_connect_after(session, "request-started", G_CALLBACK(request), c);
 400
 401         /* urlbar */
 402         c->urlbar = gtk_entry_new();
 403         gtk_entry_set_has_frame(GTK_ENTRY(c->urlbar), FALSE);
 404         g_signal_connect(G_OBJECT(c->urlbar), "focus-out-event", G_CALLBACK(unfocusbar), c);
 405
 406         /* searchbar */
 407         c->searchbar = gtk_entry_new();
 408         gtk_entry_set_has_frame(GTK_ENTRY(c->searchbar), FALSE);
 409         g_signal_connect(G_OBJECT(c->searchbar), "focus-out-event", G_CALLBACK(unfocusbar), c);
 410
 411         /* indicator */
 412         c->indicator = gtk_drawing_area_new();
 413         gtk_widget_set_size_request(c->indicator, 0, 2);
 414         g_signal_connect (G_OBJECT (c->indicator), "expose_event",
 415                         G_CALLBACK (exposeindicator), c);
 416
 417         /* Arranging */
 418         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 419         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 420         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 421         gtk_container_add(GTK_CONTAINER(c->vbox), c->searchbar);
 422         gtk_container_add(GTK_CONTAINER(c->vbox), c->urlbar);
 423         gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
 424
 425         /* Setup */
 426         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->urlbar, FALSE, FALSE, 0, GTK_PACK_START);
 427         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->searchbar, FALSE, FALSE, 0, GTK_PACK_START);
 428         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
 429         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
 430         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 431         gtk_widget_hide_all(c->searchbar);
 432         gtk_widget_hide_all(c->urlbar);
 433         gtk_widget_show(c->vbox);
 434         gtk_widget_show(c->indicator);
 435         gtk_widget_show(c->scroll);
 436         gtk_widget_show(GTK_WIDGET(c->view));
 437         gtk_widget_show(c->win);
 438         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 439         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 440         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 441         settings = webkit_web_view_get_settings(c->view);
 442         g_object_set(G_OBJECT(settings), "user-agent", "surf", NULL);
 443         uri = g_strconcat("file://", stylefile, NULL);
 444         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 445         g_free(uri);
 446
 447         c->download = NULL;
 448         c->title = NULL;
 449         c->next = clients;
 450         clients = c;
 451         if(showxid) {
 452                 gdk_display_sync(gtk_widget_get_display(c->win));
 453                 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 454                 fflush(NULL);
 455         }
 456         return c;
 457 }
 458
 459 WebKitWebView *
 460 newwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 461         Client *n = newclient();
 462         return n->view;
 463 }
 464
 465
 466 void
 467 pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d) {
 468         Arg arg = {.v = text };
 469         if(text != NULL)
 470                 loaduri((Client *) d, &arg);
 471 }
 472
 473 GdkFilterReturn
 474 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 475         Client *c = (Client *)d;
 476         XPropertyEvent *ev;
 477         Atom adummy;
 478         gint idummy;
 479         unsigned long ldummy;
 480         unsigned char *buf = NULL;
 481         Arg arg;
 482
 483         if(((XEvent *)e)->type == PropertyNotify) {
 484                 ev = &((XEvent *)e)->xproperty;
 485                 if(ev->atom == urlprop && ev->state == PropertyNewValue) {
 486                         if(ignore_once)
 487                                ignore_once = FALSE;
 488                         else {
 489                                 XGetWindowProperty(dpy, ev->window, urlprop, 0L, BUFSIZ, False, XA_STRING,
 490                                         &adummy, &idummy, &ldummy, &ldummy, &buf);
 491                                 arg.v = buf;
 492                                 loaduri(c, &arg);
 493                                 XFree(buf);
 494                         }
 495                         return GDK_FILTER_REMOVE;
 496                 }
 497         }
 498         return GDK_FILTER_CONTINUE;
 499 }
 500
 501 void
 502 print(Client *c, const Arg *arg) {
 503         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 504 }
 505
 506 void
 507 proccookies(SoupMessage *m, Client *c) {
 508         GSList *l;
 509         SoupCookie *co;
 510         long t;
 511
 512         rereadcookies();
 513         for (l = soup_cookies_from_response(m); l; l = l->next){
 514                 co = (SoupCookie *)l->data;
 515                 t = co->expires ?  soup_date_to_time_t(co->expires) : 0;
 516                 setcookie(co->name, co->value, co->domain, co->value, t);
 517         }
 518         g_slist_free(l);
 519 }
 520
 521 void
 522 progresschange(WebKitWebView* view, gint p, Client *c) {
 523         c->progress = p;
 524         update(c);
 525 }
 526
 527 void
 528 request(SoupSession *s, SoupMessage *m, Client *c) {
 529         soup_message_add_header_handler(m, "got-headers", "Set-Cookie",
 530                         G_CALLBACK(proccookies), c);
 531 }
 532
 533 void
 534 reload(Client *c, const Arg *arg) {
 535         gboolean nocache = *(gboolean *)arg;
 536         if(nocache)
 537                  webkit_web_view_reload_bypass_cache(c->view);
 538         else
 539                  webkit_web_view_reload(c->view);
 540 }
 541
 542 void
 543 rereadcookies(void) {
 544 }
 545
 546 void
 547 scroll(Client *c, const Arg *arg) {
 548         gdouble v;
 549         GtkAdjustment *a;
 550
 551         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
 552         v = gtk_adjustment_get_value(a);
 553         v += gtk_adjustment_get_step_increment(a) * arg->i;
 554         v = MAX(v, 0.0);
 555         v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
 556         gtk_adjustment_set_value(a, v);
 557 }
 558
 559 void
 560 setcookie(char *name, char *val, char *dom, char *path, long exp) {
 561
 562 }
 563
 564 void
 565 setup(void) {
 566         SoupSession *s;
 567
 568         gtk_init(NULL, NULL);
 569         if (!g_thread_supported())
 570                 g_thread_init(NULL);
 571
 572         dpy = GDK_DISPLAY();
 573         session = webkit_get_default_session();
 574         urlprop = XInternAtom(dpy, "_SURF_URL", False);
 575
 576         /* create dirs and files */
 577         cookiefile = buildpath(cookiefile);
 578         dldir = buildpath(dldir);
 579         scriptfile = buildpath(scriptfile);
 580         stylefile = buildpath(stylefile);
 581
 582         /* cookie persistance */
 583         s = webkit_get_default_session();
 584         cookiejar = soup_cookie_jar_text_new(cookiefile, FALSE);
 585         soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookiejar));
 586 }
 587
 588 void
 589 showsearch(Client *c, const Arg *arg) {
 590         hideurl(c, NULL);
 591         gtk_widget_show(c->searchbar);
 592         gtk_widget_grab_focus(c->searchbar);
 593 }
 594
 595 void
 596 source(Client *c, const Arg *arg) {
 597         Arg a = { .b = FALSE };
 598         gboolean s;
 599
 600         s = webkit_web_view_get_view_source_mode(c->view);
 601         webkit_web_view_set_view_source_mode(c->view, !s);
 602         reload(c, &a);
 603 }
 604
 605 void
 606 searchtext(Client *c, const Arg *arg) {
 607         gboolean forward = *(gboolean *)arg;
 608         webkit_web_view_search_text(c->view,
 609                         gtk_entry_get_text(GTK_ENTRY(c->searchbar)),
 610                         FALSE,
 611                         forward,
 612                         TRUE);
 613 }
 614
 615 void
 616 showurl(Client *c, const Arg *arg) {
 617         gchar *uri;
 618
 619         hidesearch(c, NULL);
 620         uri = geturi(c);
 621         gtk_entry_set_text(GTK_ENTRY(c->urlbar), uri);
 622         gtk_widget_show(c->urlbar);
 623         gtk_widget_grab_focus(c->urlbar);
 624 }
 625
 626 void
 627 stop(Client *c, const Arg *arg) {
 628         if(c->download)
 629                 webkit_download_cancel(c->download);
 630         else
 631                 webkit_web_view_stop_loading(c->view);
 632         c->download = NULL;
 633 }
 634
 635 void
 636 titlechange(WebKitWebView *v, WebKitWebFrame *f, const gchar *t, Client *c) {
 637         c->title = copystr(&c->title, t);
 638         update(c);
 639 }
 640
 641 gboolean
 642 unfocusbar(GtkWidget *w, GdkEventFocus *e, Client *c) {
 643         hidesearch(c, NULL);
 644         hideurl(c, NULL);
 645         return FALSE;
 646 }
 647
 648 void
 649 usage(void) {
 650         fputs("surf - simple browser\n", stderr);
 651         die("usage: surf [-e Window] [-x] [uri]\n");
 652 }
 653
 654 void
 655 update(Client *c) {
 656         gchar *t;
 657
 658         if(c->progress == 100)
 659                 t = g_strdup(c->title);
 660         else
 661                 t = g_strdup_printf("%s [%i%%]", c->title, c->progress);
 662         drawindicator(c);
 663         gtk_window_set_title(GTK_WINDOW(c->win), t);
 664         g_free(t);
 665
 666 }
 667
 668 void
 669 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
 670         JSStringRef jsscript;
 671         gchar *script;
 672         JSValueRef exception = NULL;
 673         GError *error;
 674
 675         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 676                 jsscript = JSStringCreateWithUTF8CString(script);
 677                 JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
 678         }
 679 }
 680
 681 void
 682 zoom(Client *c, const Arg *arg) {
 683         if(arg->i < 0)          /* zoom out */
 684                 webkit_web_view_zoom_out(c->view);
 685         else if(arg->i > 0)     /* zoom in */
 686                 webkit_web_view_zoom_in(c->view);
 687         else                    /* reset */
 688                 webkit_web_view_set_zoom_level(c->view, 1.0);
 689 }
 690
 691 int main(int argc, char *argv[]) {
 692         int i;
 693         Arg arg;
 694
 695         /* command line args */
 696         for(i = 1, arg.v = NULL; i < argc; i++) {
 697                 if(!strcmp(argv[i], "-x"))
 698                         showxid = TRUE;
 699                 else if(!strcmp(argv[i], "-e")) {
 700                         if(++i < argc)
 701                                 embed = atoi(argv[i]);
 702                         else
 703                                 usage();
 704                 }
 705                 else if(!strcmp(argv[i], "--"))
 706                         break;
 707                 else if(!strcmp(argv[i], "-v"))
 708                         die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
 709                 else if(argv[i][0] == '-')
 710                         usage();
 711                 else
 712                         arg.v = argv[i];
 713         }
 714         setup();
 715         newclient();
 716         if(arg.v) {
 717                 loaduri(clients, &arg);
 718         }
 719         gtk_main();
 720         cleanup();
 721         return EXIT_SUCCESS;
 722 }