surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <signal.h>
   6 #include <X11/X.h>
   7 #include <X11/Xatom.h>
   8 #include <gtk/gtk.h>
   9 #include <gdk/gdkx.h>
  10 #include <gdk/gdk.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <string.h>
  13 #include <sys/types.h>
  14 #include <sys/wait.h>
  15 #include <unistd.h>
  16 #include <stdlib.h>
  17 #include <stdio.h>
  18 #include <webkit/webkit.h>
  19 #include <glib/gstdio.h>
  20 #include <JavaScriptCore/JavaScript.h>
  21
  22 #define LENGTH(x)               (sizeof x / sizeof x[0])
  23 #define CLEANMASK(mask)         (mask & ~(GDK_MOD2_MASK))
  24
  25 typedef union Arg Arg;
  26 union Arg {
  27         gboolean b;
  28         gint i;
  29         const void *v;
  30 };
  31
  32 typedef struct Client {
  33         GtkWidget *win, *scroll, *vbox, *indicator;
  34         GtkWidget **items;
  35         WebKitWebView *view;
  36         WebKitDownload *download;
  37         char *title, *linkhover;
  38         const char *uri, *needle;
  39         gint progress;
  40         struct Client *next;
  41         gboolean zoomed;
  42 } Client;
  43
  44 typedef struct {
  45         char *label;
  46         void (*func)(Client *c, const Arg *arg);
  47         const Arg arg;
  48 } Item;
  49
  50 typedef struct {
  51         guint mod;
  52         guint keyval;
  53         void (*func)(Client *c, const Arg *arg);
  54         const Arg arg;
  55 } Key;
  56
  57 static Display *dpy;
  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 gboolean ignore_once = FALSE;
  65 static char winid[64];
  66 static char *progname;
  67 static gboolean lockcookie = FALSE;
  68
  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 gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c);
  76 static void destroyclient(Client *c);
  77 static void destroywin(GtkWidget* w, Client *c);
  78 static void die(char *str);
  79 static void download(WebKitDownload *o, GParamSpec *pspec, Client *c);
  80 static void drawindicator(Client *c);
  81 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
  82 static const char *getatom(Client *c, Atom a);
  83 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
  84 static void itemclick(GtkMenuItem *mi, 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 loadcommit(WebKitWebView *v, WebKitWebFrame *f, Client *c);
  88 static void loadstart(WebKitWebView *v, 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 void newwindow(Client *c, const Arg *arg);
  93 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c);
  94 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
  95 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
  96 static void print(Client *c, const Arg *arg);
  97 static void progresschange(WebKitWebView *v, gint p, Client *c);
  98 static void reloadcookies();
  99 static void reload(Client *c, const Arg *arg);
 100 static void resize(GtkWidget *w, GtkAllocation *a, Client *c);
 101 static void sigchld(int unused);
 102 static void setatom(Client *c, Atom a, const char *v);
 103 static void setup(void);
 104 static void spawn(Client *c, const Arg *arg);
 105 static void scroll(Client *c, const Arg *arg);
 106 static void find(Client *c, const Arg *arg);
 107 static void source(Client *c, const Arg *arg);
 108 static void stop(Client *c, const Arg *arg);
 109 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const char* title, Client *c);
 110 static void usage(void);
 111 static void update(Client *c);
 112 static void updatewinid(Client *c);
 113 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
 114 static void zoom(Client *c, const Arg *arg);
 115
 116 /* configuration, allows nested code to access above variables */
 117 #include "config.h"
 118
 119 char *
 120 buildpath(const char *path) {
 121         char *apath, *p;
 122         FILE *f;
 123
 124         /* creating directory */
 125         if(path[0] == '/')
 126                 apath = g_strdup(path);
 127         else
 128                 apath = g_strconcat(g_get_home_dir(), "/", path, NULL);
 129         if((p = strrchr(apath, '/'))) {
 130                 *p = '\0';
 131                 g_mkdir_with_parents(apath, 0755);
 132                 *p = '/';
 133         }
 134         /* creating file (gives error when apath ends with "/") */
 135         if((f = g_fopen(apath, "a")))
 136                 fclose(f);
 137         return apath;
 138 }
 139
 140 void
 141 changecookie(SoupCookieJar *j, SoupCookie *oc, SoupCookie *c, gpointer p) {
 142         SoupDate *e;
 143         SoupCookieJar *jar;
 144
 145         if(lockcookie)
 146                 return;
 147         if(c && c->expires == NULL) {
 148                 e = soup_date_new_from_time_t(time(NULL) + sessiontime);
 149                 c = soup_cookie_copy(c);
 150                 soup_cookie_set_expires(c, e);
 151         }
 152
 153         jar = soup_cookie_jar_text_new(cookiefile, FALSE);
 154         if(c)
 155                 soup_cookie_jar_add_cookie(jar, soup_cookie_copy(c));
 156         else
 157                 soup_cookie_jar_delete_cookie(jar, oc);
 158         g_object_unref(jar);
 159 }
 160
 161 void
 162 cleanup(void) {
 163         while(clients)
 164                 destroyclient(clients);
 165         g_free(cookiefile);
 166         g_free(dldir);
 167         g_free(scriptfile);
 168         g_free(stylefile);
 169 }
 170
 171 void
 172 clipboard(Client *c, const Arg *arg) {
 173         gboolean paste = *(gboolean *)arg;
 174
 175         if(paste)
 176                 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteuri, c);
 177         else
 178                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), webkit_web_view_get_uri(c->view), -1);
 179 }
 180
 181 void
 182 context(WebKitWebView *v, GtkMenu *m, Client *c) {
 183         int i;
 184         GtkContainer *parent;
 185
 186         gtk_widget_hide_all(GTK_WIDGET(m));
 187         gtk_widget_show(GTK_WIDGET(m));
 188         for(i = 0; i < LENGTH(items); i++) {
 189                 parent = GTK_CONTAINER(gtk_widget_get_parent(c->items[i]));
 190                 if(parent)
 191                         gtk_container_remove(parent, c->items[i]);
 192                 gtk_menu_shell_append(GTK_MENU_SHELL(m), c->items[i]);
 193                 gtk_widget_show(c->items[i]);
 194         }
 195 }
 196
 197 char *
 198 copystr(char **str, const char *src) {
 199         char *tmp;
 200         tmp = g_strdup(src);
 201
 202         if(str && *str) {
 203                 g_free(*str);
 204                 *str = tmp;
 205         }
 206         return tmp;
 207 }
 208
 209 void
 210 destroyclient(Client *c) {
 211         int i;
 212         Client *p;
 213
 214         gtk_widget_destroy(GTK_WIDGET(c->view));
 215         gtk_widget_destroy(c->scroll);
 216         gtk_widget_destroy(c->vbox);
 217         gtk_widget_destroy(c->indicator);
 218         gtk_widget_destroy(c->win);
 219         for(i = 0; i < LENGTH(items); i++)
 220                 gtk_widget_destroy(c->items[i]);
 221         free(c->items);
 222
 223         for(p = clients; p && p->next != c; p = p->next);
 224         if(p)
 225                 p->next = c->next;
 226         else
 227                 clients = c->next;
 228         free(c);
 229         if(clients == NULL)
 230                 gtk_main_quit();
 231 }
 232
 233 gboolean
 234 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) {
 235         Arg arg;
 236         if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 237                 webkit_web_policy_decision_ignore(p);
 238                 arg.v = (void *)webkit_network_request_get_uri(r);
 239                 newwindow(NULL, &arg);
 240                 return TRUE;
 241         }
 242         return FALSE;
 243 }
 244
 245 void
 246 destroywin(GtkWidget* w, Client *c) {
 247         destroyclient(c);
 248 }
 249
 250 void
 251 die(char *str) {
 252         fputs(str, stderr);
 253         exit(EXIT_FAILURE);
 254 }
 255
 256 void
 257 drawindicator(Client *c) {
 258         gint width;
 259         const char *uri;
 260         GtkWidget *w;
 261         GdkGC *gc;
 262         GdkColor fg;
 263
 264         uri = getatom(c, uriprop);
 265         w = c->indicator;
 266         width = c->progress * w->allocation.width / 100;
 267         gc = gdk_gc_new(w->window);
 268         gdk_color_parse(strstr(uri, "https://") == uri ?
 269                         progress_trust : progress, &fg);
 270         gdk_gc_set_rgb_fg_color(gc, &fg);
 271         gdk_draw_rectangle(w->window,
 272                         w->style->bg_gc[GTK_WIDGET_STATE(w)],
 273                         TRUE, 0, 0, w->allocation.width, w->allocation.height);
 274         gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
 275                         w->allocation.height);
 276         g_object_unref(gc);
 277 }
 278
 279 gboolean
 280 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
 281         drawindicator(c);
 282         return TRUE;
 283 }
 284
 285 void
 286 download(WebKitDownload *o, GParamSpec *pspec, Client *c) {
 287         WebKitDownloadStatus status;
 288
 289         status = webkit_download_get_status(c->download);
 290         if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
 291                 c->progress = (gint)(webkit_download_get_progress(c->download)*100);
 292         }
 293         update(c);
 294 }
 295
 296 const char *
 297 getatom(Client *c, Atom a) {
 298         static char buf[BUFSIZ];
 299         Atom adummy;
 300         int idummy;
 301         unsigned long ldummy;
 302         unsigned char *p = NULL;
 303
 304         XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 305                         a, 0L, BUFSIZ, False, XA_STRING,
 306                         &adummy, &idummy, &ldummy, &ldummy, &p);
 307         if(p)
 308                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 309         else
 310                 buf[0] = '\0';
 311         XFree(p);
 312         return buf;
 313 }
 314
 315 gboolean
 316 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 317         const char *filename;
 318         char *uri, *html;
 319
 320         stop(c, NULL);
 321         c->download = o;
 322         filename = webkit_download_get_suggested_filename(o);
 323         uri = g_strconcat("file://", dldir, "/", filename, NULL);
 324         webkit_download_set_destination_uri(c->download, uri);
 325         c->progress = 0;
 326         g_free(uri);
 327         html = g_strdup_printf("Download <b>%s</b>...", filename);
 328         webkit_web_view_load_html_string(c->view, html,
 329                         webkit_download_get_uri(c->download));
 330         g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c);
 331         g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c);
 332         webkit_download_start(c->download);
 333
 334         c->title = copystr(&c->title, filename);
 335         update(c);
 336         g_free(html);
 337         return TRUE;
 338 }
 339
 340 char *
 341 geturi(Client *c) {
 342         char *uri;
 343
 344         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 345                 uri = "about:blank";
 346         return uri;
 347 }
 348
 349 void
 350 itemclick(GtkMenuItem *mi, Client *c) {
 351         int i;
 352         const char *label;
 353
 354         label = gtk_menu_item_get_label(mi);
 355         for(i = 0; i < LENGTH(items); i++)
 356                 if(!strcmp(items[i].label, label))
 357                         items[i].func(c, &(items[i].arg));
 358 }
 359
 360 gboolean
 361 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 362         guint i;
 363         gboolean processed = FALSE;
 364
 365         updatewinid(c);
 366         for(i = 0; i < LENGTH(keys); i++) {
 367                 if(gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
 368                                 && CLEANMASK(ev->state) == keys[i].mod
 369                                 && keys[i].func) {
 370                         keys[i].func(c, &(keys[i].arg));
 371                         processed = TRUE;
 372                 }
 373         }
 374         return processed;
 375 }
 376
 377 void
 378 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 379         if(l)
 380                 c->linkhover = copystr(&c->linkhover, l);
 381         else if(c->linkhover) {
 382                 free(c->linkhover);
 383                 c->linkhover = NULL;
 384         }
 385         update(c);
 386 }
 387
 388 void
 389 loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 390         setatom(c, uriprop, webkit_web_view_get_uri(c->view));
 391         reloadcookies();
 392 }
 393
 394 void
 395 loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 396         c->progress = 0;
 397         update(c);
 398 }
 399
 400 void
 401 loaduri(Client *c, const Arg *arg) {
 402         char *u;
 403         const char *uri = (char *)arg->v;
 404
 405         u = g_strrstr(uri, "://") ? g_strdup(uri)
 406                 : g_strdup_printf("http://%s", uri);
 407         webkit_web_view_load_uri(c->view, u);
 408         c->progress = 0;
 409         c->title = copystr(&c->title, u);
 410         g_free(u);
 411         update(c);
 412 }
 413
 414 void
 415 navigate(Client *c, const Arg *arg) {
 416         gint steps = *(gint *)arg;
 417         webkit_web_view_go_back_or_forward(c->view, steps);
 418 }
 419
 420 Client *
 421 newclient(void) {
 422         int i;
 423         Client *c;
 424         WebKitWebSettings *settings;
 425         char *uri;
 426
 427         if(!(c = calloc(1, sizeof(Client))))
 428                 die("Cannot malloc!\n");
 429         /* Window */
 430         if(embed) {
 431                 c->win = gtk_plug_new(embed);
 432         }
 433         else {
 434                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 435                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
 436         }
 437         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 438         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
 439         g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
 440         g_signal_connect(G_OBJECT(c->win), "size-allocate", G_CALLBACK(resize), c);
 441
 442         if(!(c->items = calloc(1, sizeof(GtkWidget *) * LENGTH(items))))
 443                 die("Cannot malloc!\n");
 444
 445         /* contextmenu */
 446         for(i = 0; i < LENGTH(items); i++) {
 447                 c->items[i] = gtk_menu_item_new_with_label(items[i].label);
 448                 g_signal_connect(G_OBJECT(c->items[i]), "activate",
 449                                 G_CALLBACK(itemclick), c);
 450         }
 451
 452         /* VBox */
 453         c->vbox = gtk_vbox_new(FALSE, 0);
 454
 455         /* scrolled window */
 456         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 457         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 458                         GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 459
 460         /* webview */
 461         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 462         g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
 463         g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
 464         g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
 465         g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
 466         g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
 467         g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(createwindow), c);
 468         g_signal_connect(G_OBJECT(c->view), "new-window-policy-decision-requested", G_CALLBACK(decidewindow), c);
 469         g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
 470         g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
 471         g_signal_connect(G_OBJECT(c->view), "populate-popup", G_CALLBACK(context), c);
 472
 473         /* indicator */
 474         c->indicator = gtk_drawing_area_new();
 475         gtk_widget_set_size_request(c->indicator, 0, 2);
 476         g_signal_connect (G_OBJECT (c->indicator), "expose_event",
 477                         G_CALLBACK (exposeindicator), c);
 478
 479         /* Arranging */
 480         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 481         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 482         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 483         gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
 484
 485         /* Setup */
 486         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
 487         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
 488         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 489         gtk_widget_show(c->vbox);
 490         gtk_widget_show(c->indicator);
 491         gtk_widget_show(c->scroll);
 492         gtk_widget_show(GTK_WIDGET(c->view));
 493         gtk_widget_show(c->win);
 494         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 495         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 496         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 497         settings = webkit_web_view_get_settings(c->view);
 498         g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL);
 499         uri = g_strconcat("file://", stylefile, NULL);
 500         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 501         g_free(uri);
 502         setatom(c, findprop, "");
 503
 504         c->download = NULL;
 505         c->title = NULL;
 506         c->next = clients;
 507         clients = c;
 508         if(showxid) {
 509                 gdk_display_sync(gtk_widget_get_display(c->win));
 510                 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 511                 fflush(NULL);
 512         }
 513         return c;
 514 }
 515
 516 void
 517 newwindow(Client *c, const Arg *arg) {
 518         guint i = 0;
 519         const char *cmd[7], *uri;
 520         const Arg a = { .v = (void *)cmd };
 521         char tmp[64];
 522
 523         cmd[i++] = progname;
 524         if(embed) {
 525                 cmd[i++] = "-e";
 526                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 527                 cmd[i++] = tmp;
 528         }
 529         if(showxid) {
 530                 cmd[i++] = "-x";
 531         }
 532         cmd[i++] = "--";
 533         uri = arg->v ? (char *)arg->v : c->linkhover;
 534         if(uri)
 535                 cmd[i++] = uri;
 536         cmd[i++] = NULL;
 537         spawn(NULL, &a);
 538 }
 539
 540 WebKitWebView *
 541 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 542         Client *n = newclient();
 543         return n->view;
 544 }
 545
 546 void
 547 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
 548         Arg arg = {.v = text };
 549         if(text != NULL)
 550                 loaduri((Client *) d, &arg);
 551 }
 552
 553 GdkFilterReturn
 554 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 555         Client *c = (Client *)d;
 556         XPropertyEvent *ev;
 557         Arg arg;
 558
 559         if(((XEvent *)e)->type == PropertyNotify) {
 560                 ev = &((XEvent *)e)->xproperty;
 561                 if(ignore_once)
 562                         ignore_once = FALSE;
 563                 else if(ev->state == PropertyNewValue) {
 564                         if(ev->atom == uriprop) {
 565                                 arg.v = getatom(c, uriprop);
 566                                 loaduri(c, &arg);
 567                         }
 568                         else if(ev->atom == findprop) {
 569                                 arg.b = TRUE;
 570                                 find(c, &arg);
 571                         }
 572                         return GDK_FILTER_REMOVE;
 573                 }
 574         }
 575         return GDK_FILTER_CONTINUE;
 576 }
 577
 578 void
 579 print(Client *c, const Arg *arg) {
 580         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 581 }
 582
 583 void
 584 progresschange(WebKitWebView *v, gint p, Client *c) {
 585         c->progress = p;
 586         update(c);
 587 }
 588
 589 void
 590 reload(Client *c, const Arg *arg) {
 591         gboolean nocache = *(gboolean *)arg;
 592         if(nocache)
 593                  webkit_web_view_reload_bypass_cache(c->view);
 594         else
 595                  webkit_web_view_reload(c->view);
 596 }
 597
 598 void
 599 reloadcookies() {
 600         SoupCookieJar *jar;
 601         GSList *l, *e;
 602
 603         lockcookie = TRUE;
 604         for(l = e = soup_cookie_jar_all_cookies(cookies); e; e = e->next)
 605                 soup_cookie_jar_delete_cookie(cookies, (SoupCookie *)e->data);
 606         soup_cookies_free(l);
 607         jar = soup_cookie_jar_text_new(cookiefile, TRUE);
 608         for(l = e = soup_cookie_jar_all_cookies(jar); e; e = e->next)
 609                 soup_cookie_jar_add_cookie(cookies, (SoupCookie *)e->data);
 610         g_slist_free(l);
 611         lockcookie = FALSE;
 612         g_object_unref(jar);
 613 }
 614
 615 void
 616 scroll(Client *c, const Arg *arg) {
 617         gdouble v;
 618         GtkAdjustment *a;
 619
 620         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
 621         v = gtk_adjustment_get_value(a);
 622         v += gtk_adjustment_get_step_increment(a) * arg->i;
 623         v = MAX(v, 0.0);
 624         v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
 625         gtk_adjustment_set_value(a, v);
 626 }
 627
 628 void
 629 resize(GtkWidget *w, GtkAllocation *a, Client *c) {
 630         double zoom;
 631
 632         if(c->zoomed)
 633                 return;
 634         zoom = webkit_web_view_get_zoom_level(c->view);
 635         if(a->width * a->height < 300 * 400 && zoom != 0.2)
 636                 webkit_web_view_set_zoom_level(c->view, 0.2);
 637         else if(zoom != 1.0)
 638                 webkit_web_view_set_zoom_level(c->view, 1.0);
 639 }
 640
 641 void
 642 sigchld(int unused) {
 643         if(signal(SIGCHLD, sigchld) == SIG_ERR)
 644                 die("Can't install SIGCHLD handler");
 645         while(0 < waitpid(-1, NULL, WNOHANG));
 646 }
 647
 648 void
 649 setatom(Client *c, Atom a, const char *v) {
 650         XSync(dpy, False);
 651         ignore_once = TRUE;
 652         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), a,
 653                         XA_STRING, 8, PropModeReplace, (unsigned char *)v,
 654                         strlen(v) + 1);
 655 }
 656
 657 void
 658 setup(void) {
 659         SoupSession *s;
 660
 661         /* clean up any zombies immediately */
 662         sigchld(0);
 663         gtk_init(NULL, NULL);
 664         if (!g_thread_supported())
 665                 g_thread_init(NULL);
 666
 667         dpy = GDK_DISPLAY();
 668         session = webkit_get_default_session();
 669         uriprop = XInternAtom(dpy, "_SURF_URI", False);
 670         findprop = XInternAtom(dpy, "_SURF_FIND", False);
 671
 672         /* create dirs and files */
 673         cookiefile = buildpath(cookiefile);
 674         dldir = buildpath(dldir);
 675         scriptfile = buildpath(scriptfile);
 676         stylefile = buildpath(stylefile);
 677
 678         /* cookie persistance */
 679         s = webkit_get_default_session();
 680         cookies = soup_cookie_jar_new();
 681         soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookies));
 682         g_signal_connect(cookies, "changed", G_CALLBACK(changecookie), NULL);
 683         reloadcookies();
 684 }
 685
 686 void
 687 source(Client *c, const Arg *arg) {
 688         Arg a = { .b = FALSE };
 689         gboolean s;
 690
 691         s = webkit_web_view_get_view_source_mode(c->view);
 692         webkit_web_view_set_view_source_mode(c->view, !s);
 693         reload(c, &a);
 694 }
 695
 696 void
 697 find(Client *c, const Arg *arg) {
 698         const char *s;
 699
 700         s = getatom(c, findprop);
 701         gboolean forward = *(gboolean *)arg;
 702         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 703 }
 704
 705 void
 706 stop(Client *c, const Arg *arg) {
 707         if(c->download)
 708                 webkit_download_cancel(c->download);
 709         else
 710                 webkit_web_view_stop_loading(c->view);
 711         c->download = NULL;
 712 }
 713
 714 void
 715 spawn(Client *c, const Arg *arg) {
 716         if(fork() == 0) {
 717                 if(dpy)
 718                         close(ConnectionNumber(dpy));
 719                 setsid();
 720                 execvp(((char **)arg->v)[0], (char **)arg->v);
 721                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
 722                 perror(" failed");
 723                 exit(0);
 724         }
 725 }
 726
 727 void
 728 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
 729         c->title = copystr(&c->title, t);
 730         update(c);
 731 }
 732
 733 void
 734 usage(void) {
 735         fputs("surf - simple browser\n", stderr);
 736         die("usage: surf [-e Window] [-x] [uri]\n");
 737 }
 738
 739 void
 740 update(Client *c) {
 741         char *t;
 742
 743         if(c->progress != 100)
 744                 t = g_strdup_printf("%s [%i%%]", c->title, c->progress);
 745         else if(c->linkhover)
 746                 t = g_strdup(c->linkhover);
 747         else
 748                 t = g_strdup(c->title);
 749         drawindicator(c);
 750         gtk_window_set_title(GTK_WINDOW(c->win), t);
 751         g_free(t);
 752
 753 }
 754
 755 void
 756 updatewinid(Client *c) {
 757         snprintf(winid, LENGTH(winid), "%u",
 758                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 759 }
 760
 761 void
 762 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
 763         JSStringRef jsscript;
 764         char *script;
 765         JSValueRef exception = NULL;
 766         GError *error;
 767
 768         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 769                 jsscript = JSStringCreateWithUTF8CString(script);
 770                 JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
 771         }
 772 }
 773
 774 void
 775 zoom(Client *c, const Arg *arg) {
 776         c->zoomed = TRUE;
 777         if(arg->i < 0)          /* zoom out */
 778                 webkit_web_view_zoom_out(c->view);
 779         else if(arg->i > 0)     /* zoom in */
 780                 webkit_web_view_zoom_in(c->view);
 781         else {                  /* reset */
 782                 c->zoomed = FALSE;
 783                 webkit_web_view_set_zoom_level(c->view, 1.0);
 784         }
 785 }
 786
 787 int main(int argc, char *argv[]) {
 788         int i;
 789         Arg arg;
 790
 791         progname = argv[0];
 792         /* command line args */
 793         for(i = 1, arg.v = NULL; i < argc && argv[i][0] == '-'; i++) {
 794                 if(!strcmp(argv[i], "-x"))
 795                         showxid = TRUE;
 796                 else if(!strcmp(argv[i], "-e")) {
 797                         if(++i < argc)
 798                                 embed = atoi(argv[i]);
 799                         else
 800                                 usage();
 801                 }
 802                 else if(!strcmp(argv[i], "--")) {
 803                         i++;
 804                         break;
 805                 }
 806                 else if(!strcmp(argv[i], "-v"))
 807                         die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
 808                 else
 809                         usage();
 810         }
 811         if(i < argc)
 812                 arg.v = argv[i];
 813         setup();
 814         newclient();
 815         if(arg.v) {
 816                 loaduri(clients, &arg);
 817         }
 818         gtk_main();
 819         cleanup();
 820         return EXIT_SUCCESS;
 821 }