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         const gboolean b;
  28         const gint i;
  29         const void *v;
  30 };
  31
  32 typedef struct Client {
  33         GtkWidget *win, *scroll, *vbox, *urlbar, *searchbar, *indicator;
  34         WebKitWebView *view;
  35         WebKitDownload *download;
  36         gchar *title;
  37         gint progress;
  38         struct Client *next;
  39 } Client;
  40
  41 typedef struct {
  42         char *label;
  43         void (*func)(Client *c, const Arg *arg);
  44         const Arg arg;
  45 } Context;
  46
  47 typedef struct Cookie {
  48         gchar *name;
  49         gchar *value;
  50         gchar *domain;
  51         gchar *path;
  52         struct Cookie *next;
  53 } Cookie;
  54
  55 typedef enum {
  56         Browser = 0x0001,
  57         SearchBar = 0x0010,
  58         UrlBar = 0x0100,
  59         Any = ~0,
  60 } KeyFocus;
  61
  62 typedef struct {
  63         guint mod;
  64         guint keyval;
  65         void (*func)(Client *c, const Arg *arg);
  66         const Arg arg;
  67         KeyFocus focus;
  68 } Key;
  69
  70 static Display *dpy;
  71 static Atom urlprop;
  72 static SoupCookieJar *cookiejar;
  73 static SoupSession *session;
  74 static Client *clients = NULL;
  75 /*static Cookie *cookies = NULL;*/
  76 static GdkNativeWindow embed = 0;
  77 static gboolean showxid = FALSE;
  78 static gboolean ignore_once = FALSE;
  79 static gchar winid[64];
  80 static gchar *progname;
  81
  82 static gchar *buildpath(const gchar *path);
  83 static void cleanup(void);
  84 static void clipboard(Client *c, const Arg *arg);
  85 static void context(WebKitWebView *v, GtkMenu *m, Client *c);
  86 static gchar *copystr(gchar **str, const gchar *src);
  87 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c);
  88 static void destroyclient(Client *c);
  89 static void destroywin(GtkWidget* w, Client *c);
  90 static void die(gchar *str);
  91 static void download(WebKitDownload *o, GParamSpec *pspec, Client *c);
  92 static void drawindicator(Client *c);
  93 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
  94 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
  95 static gchar *geturi(Client *c);
  96 static void hidesearch(Client *c, const Arg *arg);
  97 static void hideurl(Client *c, const Arg *arg);
  98 static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);
  99 static void linkhover(WebKitWebView *v, const gchar* t, const gchar* l, Client *c);
 100 static void loadcommit(WebKitWebView *v, WebKitWebFrame *f, Client *c);
 101 static void loadstart(WebKitWebView *v, WebKitWebFrame *f, Client *c);
 102 static void loaduri(Client *c, const Arg *arg);
 103 static void navigate(Client *c, const Arg *arg);
 104 static Client *newclient(void);
 105 static void newwindow(Client *c, const Arg *arg);
 106 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c);
 107 static void pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d);
 108 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
 109 static void print(Client *c, const Arg *arg);
 110 static void proccookies(SoupMessage *m, Client *c);
 111 static void progresschange(WebKitWebView *v, gint p, Client *c);
 112 static void request(SoupSession *s, SoupMessage *m, Client *c);
 113 static void reload(Client *c, const Arg *arg);
 114 static void rereadcookies(void);
 115 static void sigchld(int unused);
 116 static void setcookie(gchar *name, gchar *val, gchar *dom, gchar *path, long exp);
 117 static void setup(void);
 118 static void spawn(Client *c, const Arg *arg);
 119 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const gchar* title, Client *c);
 120 static void scroll(Client *c, const Arg *arg);
 121 static void searchtext(Client *c, const Arg *arg);
 122 static void source(Client *c, const Arg *arg);
 123 static void showsearch(Client *c, const Arg *arg);
 124 static void showurl(Client *c, const Arg *arg);
 125 static void stop(Client *c, const Arg *arg);
 126 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const gchar* title, Client *c);
 127 static gboolean focusview(GtkWidget *w, GdkEventFocus *e, Client *c);
 128 static void usage(void);
 129 static void update(Client *c);
 130 static void updatewinid(Client *c);
 131 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
 132 static void zoom(Client *c, const Arg *arg);
 133
 134 /* configuration, allows nested code to access above variables */
 135 #include "config.h"
 136
 137 gchar *
 138 buildpath(const gchar *path) {
 139         gchar *apath, *p;
 140         FILE *f;
 141
 142         /* creating directory */
 143         if(path[0] == '/')
 144                 apath = g_strdup(path);
 145         else
 146                 apath = g_strconcat(g_get_home_dir(), "/", path, NULL);
 147         if((p = strrchr(apath, '/'))) {
 148                 *p = '\0';
 149                 g_mkdir_with_parents(apath, 0755);
 150                 *p = '/';
 151         }
 152         /* creating file (gives error when apath ends with "/") */
 153         if((f = g_fopen(apath, "a")))
 154                 fclose(f);
 155         return apath;
 156 }
 157
 158 void
 159 cleanup(void) {
 160         while(clients)
 161                 destroyclient(clients);
 162         g_free(cookiefile);
 163         g_free(dldir);
 164         g_free(scriptfile);
 165         g_free(stylefile);
 166 }
 167
 168 void
 169 clipboard(Client *c, const Arg *arg) {
 170         gboolean paste = *(gboolean *)arg;
 171
 172         if(paste)
 173                 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteurl, c);
 174         else
 175                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), webkit_web_view_get_uri(c->view), -1);
 176 }
 177
 178 void
 179 context(WebKitWebView *v, GtkMenu *m, Client *c) {
 180
 181         //gtk_menu_shell_append  ((GtkMenuShell *)(menu),(child))
 182 }
 183
 184 gchar *
 185 copystr(gchar **str, const gchar *src) {
 186         gchar *tmp;
 187         tmp = g_strdup(src);
 188
 189         if(str && *str) {
 190                 g_free(*str);
 191                 *str = tmp;
 192         }
 193         return tmp;
 194 }
 195
 196 void
 197 destroyclient(Client *c) {
 198         Client *p;
 199
 200         gtk_widget_destroy(GTK_WIDGET(c->view));
 201         gtk_widget_destroy(c->scroll);
 202         gtk_widget_destroy(c->urlbar);
 203         gtk_widget_destroy(c->searchbar);
 204         gtk_widget_destroy(c->vbox);
 205         gtk_widget_destroy(c->win);
 206         for(p = clients; p && p->next != c; p = p->next);
 207         if(p)
 208                 p->next = c->next;
 209         else
 210                 clients = c->next;
 211         free(c);
 212         if(clients == NULL)
 213                 gtk_main_quit();
 214 }
 215
 216 gboolean
 217 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) {
 218         Arg arg;
 219         if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 220                 webkit_web_policy_decision_ignore(p);
 221                 arg.v = (void *)webkit_network_request_get_uri(r);
 222                 newwindow(NULL, &arg);
 223                 return TRUE;
 224         }
 225         return FALSE;
 226 }
 227
 228 void
 229 destroywin(GtkWidget* w, Client *c) {
 230         destroyclient(c);
 231 }
 232
 233 void
 234 die(gchar *str) {
 235         fputs(str, stderr);
 236         exit(EXIT_FAILURE);
 237 }
 238
 239 void
 240 drawindicator(Client *c) {
 241         gint width;
 242         gchar *uri;
 243         GtkWidget *w;
 244         GdkGC *gc;
 245         GdkColor fg;
 246
 247         uri = geturi(c);
 248         w = c->indicator;
 249         width = c->progress * w->allocation.width / 100;
 250         gc = gdk_gc_new(w->window);
 251         gdk_color_parse(strstr(uri, "https://") == uri ?
 252                         progress_trust : progress, &fg);
 253         gdk_gc_set_rgb_fg_color(gc, &fg);
 254         gdk_draw_rectangle(w->window,
 255                         w->style->bg_gc[GTK_WIDGET_STATE(w)],
 256                         TRUE, 0, 0, w->allocation.width, w->allocation.height);
 257         gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
 258                         w->allocation.height);
 259         g_object_unref(gc);
 260 }
 261
 262 gboolean
 263 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
 264         drawindicator(c);
 265         return TRUE;
 266 }
 267
 268 void
 269 download(WebKitDownload *o, GParamSpec *pspec, Client *c) {
 270         WebKitDownloadStatus status;
 271
 272         status = webkit_download_get_status(c->download);
 273         if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
 274                 c->progress = (gint)(webkit_download_get_progress(c->download)*100);
 275         }
 276         update(c);
 277 }
 278
 279 gboolean
 280 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 281         const gchar *filename;
 282         gchar *uri, *html;
 283
 284         stop(c, NULL);
 285         c->download = o;
 286         filename = webkit_download_get_suggested_filename(o);
 287         uri = g_strconcat("file://", dldir, "/", filename, NULL);
 288         webkit_download_set_destination_uri(c->download, uri);
 289         c->progress = 0;
 290         g_free(uri);
 291         html = g_strdup_printf("Download <b>%s</b>...", filename);
 292         webkit_web_view_load_html_string(c->view, html,
 293                         webkit_download_get_uri(c->download));
 294         g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c);
 295         g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c);
 296         webkit_download_start(c->download);
 297
 298         c->title = copystr(&c->title, filename);
 299         update(c);
 300         g_free(html);
 301         return TRUE;
 302 }
 303
 304 gchar *
 305 geturi(Client *c) {
 306         gchar *uri;
 307
 308         if(!(uri = (gchar *)webkit_web_view_get_uri(c->view)))
 309                 uri = copystr(NULL, "about:blank");
 310         return uri;
 311 }
 312
 313 void
 314 hidesearch(Client *c, const Arg *arg) {
 315         gtk_widget_hide(c->searchbar);
 316         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 317 }
 318
 319 void
 320 hideurl(Client *c, const Arg *arg) {
 321         gtk_widget_hide(c->urlbar);
 322         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 323 }
 324
 325 gboolean
 326 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 327         guint i, focus;
 328         gboolean processed = FALSE;
 329
 330         if(ev->type != GDK_KEY_PRESS)
 331                 return FALSE;
 332         if(GTK_WIDGET_HAS_FOCUS(c->searchbar))
 333                 focus = SearchBar;
 334         else if(GTK_WIDGET_HAS_FOCUS(c->urlbar))
 335                 focus = UrlBar;
 336         else
 337                 focus = Browser;
 338         updatewinid(c);
 339         for(i = 0; i < LENGTH(keys); i++) {
 340                 if(focus & keys[i].focus
 341                                 && gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
 342                                 && CLEANMASK(ev->state) == keys[i].mod
 343                                 && keys[i].func) {
 344                         keys[i].func(c, &(keys[i].arg));
 345                         processed = TRUE;
 346                 }
 347         }
 348         return processed;
 349 }
 350
 351 void
 352 linkhover(WebKitWebView *v, const gchar* t, const gchar* l, Client *c) {
 353         if(l)
 354                 gtk_window_set_title(GTK_WINDOW(c->win), l);
 355         else
 356                 update(c);
 357 }
 358
 359 void
 360 loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 361         gchar *uri;
 362
 363         ignore_once = TRUE;
 364         uri = geturi(c);
 365         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), urlprop,
 366                         XA_STRING, 8, PropModeReplace, (unsigned char *)uri,
 367                         strlen(uri) + 1);
 368 }
 369
 370 void
 371 loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 372         c->progress = 0;
 373         update(c);
 374 }
 375
 376 void
 377 loaduri(Client *c, const Arg *arg) {
 378         gchar *u;
 379         const gchar *uri = (gchar *)arg->v;
 380         if(!uri)
 381                 uri = gtk_entry_get_text(GTK_ENTRY(c->urlbar));
 382         u = g_strrstr(uri, "://") ? g_strdup(uri)
 383                 : g_strdup_printf("http://%s", uri);
 384         webkit_web_view_load_uri(c->view, u);
 385         c->progress = 0;
 386         c->title = copystr(&c->title, u);
 387         g_free(u);
 388         update(c);
 389 }
 390
 391 void
 392 navigate(Client *c, const Arg *arg) {
 393         gint steps = *(gint *)arg;
 394         webkit_web_view_go_back_or_forward(c->view, steps);
 395 }
 396
 397 Client *
 398 newclient(void) {
 399         Client *c;
 400         WebKitWebSettings *settings;
 401         gchar *uri;
 402
 403         if(!(c = calloc(1, sizeof(Client))))
 404                 die("Cannot malloc!\n");
 405         /* Window */
 406         if(embed) {
 407                 c->win = gtk_plug_new(embed);
 408         }
 409         else {
 410                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 411                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
 412         }
 413         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 414         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
 415         g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
 416
 417         /* VBox */
 418         c->vbox = gtk_vbox_new(FALSE, 0);
 419
 420         /* scrolled window */
 421         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 422         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 423                         GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 424
 425         /* webview */
 426         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 427         g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
 428         g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
 429         g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
 430         g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
 431         g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
 432         g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(createwindow), c);
 433         g_signal_connect(G_OBJECT(c->view), "new-window-policy-decision-requested", G_CALLBACK(decidewindow), c);
 434         g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
 435         g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
 436         g_signal_connect_after(session, "request-started", G_CALLBACK(request), c);
 437         g_signal_connect(G_OBJECT(c->view), "focus-in-event", G_CALLBACK(focusview), c);
 438         g_signal_connect(G_OBJECT(c->view), "populate-popup", G_CALLBACK(context), c);
 439
 440         /* urlbar */
 441         c->urlbar = gtk_entry_new();
 442         gtk_entry_set_has_frame(GTK_ENTRY(c->urlbar), FALSE);
 443
 444         /* searchbar */
 445         c->searchbar = gtk_entry_new();
 446         gtk_entry_set_has_frame(GTK_ENTRY(c->searchbar), FALSE);
 447
 448         /* indicator */
 449         c->indicator = gtk_drawing_area_new();
 450         gtk_widget_set_size_request(c->indicator, 0, 2);
 451         g_signal_connect (G_OBJECT (c->indicator), "expose_event",
 452                         G_CALLBACK (exposeindicator), c);
 453
 454         /* Arranging */
 455         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 456         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 457         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 458         gtk_container_add(GTK_CONTAINER(c->vbox), c->searchbar);
 459         gtk_container_add(GTK_CONTAINER(c->vbox), c->urlbar);
 460         gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
 461
 462         /* Setup */
 463         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->urlbar, FALSE, FALSE, 0, GTK_PACK_START);
 464         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->searchbar, FALSE, FALSE, 0, GTK_PACK_START);
 465         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
 466         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
 467         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 468         gtk_widget_hide_all(c->searchbar);
 469         gtk_widget_hide_all(c->urlbar);
 470         gtk_widget_show(c->vbox);
 471         gtk_widget_show(c->indicator);
 472         gtk_widget_show(c->scroll);
 473         gtk_widget_show(GTK_WIDGET(c->view));
 474         gtk_widget_show(c->win);
 475         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 476         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 477         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 478         settings = webkit_web_view_get_settings(c->view);
 479         g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL);
 480         uri = g_strconcat("file://", stylefile, NULL);
 481         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 482         g_free(uri);
 483
 484         c->download = NULL;
 485         c->title = NULL;
 486         c->next = clients;
 487         clients = c;
 488         if(showxid) {
 489                 gdk_display_sync(gtk_widget_get_display(c->win));
 490                 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 491                 fflush(NULL);
 492         }
 493         return c;
 494 }
 495
 496 void
 497 newwindow(Client *c, const Arg *arg) {
 498         guint i = 0, urlindex;
 499         const gchar *cmd[7];
 500         const Arg a = { .v = (void *)cmd };
 501         gchar tmp[64];
 502
 503         cmd[i++] = progname;
 504         if(embed) {
 505                 cmd[i++] = "-e";
 506                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 507                 cmd[i++] = tmp;
 508         }
 509         if(showxid) {
 510                 cmd[i++] = "-x";
 511         }
 512         cmd[i++] = "--";
 513         urlindex = i;
 514         if(arg->v)
 515                 cmd[i++] = (char *)arg->v;
 516         cmd[i++] = NULL;
 517         spawn(NULL, &a);
 518 }
 519
 520 WebKitWebView *
 521 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 522         Client *n = newclient();
 523         return n->view;
 524 }
 525
 526 void
 527 pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d) {
 528         Arg arg = {.v = text };
 529         if(text != NULL)
 530                 loaduri((Client *) d, &arg);
 531 }
 532
 533 GdkFilterReturn
 534 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 535         Client *c = (Client *)d;
 536         XPropertyEvent *ev;
 537         Atom adummy;
 538         gint idummy;
 539         unsigned long ldummy;
 540         unsigned char *buf = NULL;
 541         Arg arg;
 542
 543         if(((XEvent *)e)->type == PropertyNotify) {
 544                 ev = &((XEvent *)e)->xproperty;
 545                 if(ev->atom == urlprop && ev->state == PropertyNewValue) {
 546                         if(ignore_once)
 547                                ignore_once = FALSE;
 548                         else {
 549                                 XGetWindowProperty(dpy, ev->window, urlprop, 0L, BUFSIZ, False, XA_STRING,
 550                                         &adummy, &idummy, &ldummy, &ldummy, &buf);
 551                                 arg.v = buf;
 552                                 loaduri(c, &arg);
 553                                 XFree(buf);
 554                         }
 555                         return GDK_FILTER_REMOVE;
 556                 }
 557         }
 558         return GDK_FILTER_CONTINUE;
 559 }
 560
 561 void
 562 print(Client *c, const Arg *arg) {
 563         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 564 }
 565
 566 void
 567 proccookies(SoupMessage *m, Client *c) {
 568         GSList *l;
 569         SoupCookie *co;
 570         long t;
 571
 572         rereadcookies();
 573         for (l = soup_cookies_from_response(m); l; l = l->next){
 574                 co = (SoupCookie *)l->data;
 575                 t = co->expires ?  soup_date_to_time_t(co->expires) : 0;
 576                 setcookie(co->name, co->value, co->domain, co->value, t);
 577         }
 578         g_slist_free(l);
 579 }
 580
 581 void
 582 progresschange(WebKitWebView *v, gint p, Client *c) {
 583         c->progress = p;
 584         update(c);
 585 }
 586
 587 void
 588 request(SoupSession *s, SoupMessage *m, Client *c) {
 589         soup_message_add_header_handler(m, "got-headers", "Set-Cookie",
 590                         G_CALLBACK(proccookies), c);
 591 }
 592
 593 void
 594 reload(Client *c, const Arg *arg) {
 595         gboolean nocache = *(gboolean *)arg;
 596         if(nocache)
 597                  webkit_web_view_reload_bypass_cache(c->view);
 598         else
 599                  webkit_web_view_reload(c->view);
 600 }
 601
 602 void
 603 rereadcookies(void) {
 604
 605 }
 606
 607 void
 608 scroll(Client *c, const Arg *arg) {
 609         gdouble v;
 610         GtkAdjustment *a;
 611
 612         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
 613         v = gtk_adjustment_get_value(a);
 614         v += gtk_adjustment_get_step_increment(a) * arg->i;
 615         v = MAX(v, 0.0);
 616         v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
 617         gtk_adjustment_set_value(a, v);
 618 }
 619
 620 void
 621 sigchld(int unused) {
 622         if(signal(SIGCHLD, sigchld) == SIG_ERR)
 623                 die("Can't install SIGCHLD handler");
 624         while(0 < waitpid(-1, NULL, WNOHANG));
 625 }
 626
 627 void
 628 setcookie(gchar *name, gchar *val, gchar *dom, gchar *path, long exp) {
 629
 630 }
 631
 632 void
 633 setup(void) {
 634         SoupSession *s;
 635
 636         /* clean up any zombies immediately */
 637         sigchld(0);
 638         gtk_init(NULL, NULL);
 639         if (!g_thread_supported())
 640                 g_thread_init(NULL);
 641
 642         dpy = GDK_DISPLAY();
 643         session = webkit_get_default_session();
 644         urlprop = XInternAtom(dpy, "_SURF_URL", False);
 645
 646         /* create dirs and files */
 647         cookiefile = buildpath(cookiefile);
 648         dldir = buildpath(dldir);
 649         scriptfile = buildpath(scriptfile);
 650         stylefile = buildpath(stylefile);
 651
 652         /* cookie persistance */
 653         s = webkit_get_default_session();
 654         cookiejar = soup_cookie_jar_text_new(cookiefile, FALSE);
 655         soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookiejar));
 656 }
 657
 658 void
 659 showsearch(Client *c, const Arg *arg) {
 660         hideurl(c, NULL);
 661         gtk_widget_show(c->searchbar);
 662         gtk_widget_grab_focus(c->searchbar);
 663 }
 664
 665 void
 666 source(Client *c, const Arg *arg) {
 667         Arg a = { .b = FALSE };
 668         gboolean s;
 669
 670         s = webkit_web_view_get_view_source_mode(c->view);
 671         webkit_web_view_set_view_source_mode(c->view, !s);
 672         reload(c, &a);
 673 }
 674
 675 void
 676 searchtext(Client *c, const Arg *arg) {
 677         const gchar *text;
 678         gboolean forward = *(gboolean *)arg;
 679         text = gtk_entry_get_text(GTK_ENTRY(c->searchbar));
 680         webkit_web_view_search_text(c->view, text, FALSE, forward, TRUE);
 681         webkit_web_view_mark_text_matches(c->view, text, FALSE, 0);
 682 }
 683
 684 void
 685 showurl(Client *c, const Arg *arg) {
 686         gchar *uri;
 687
 688         hidesearch(c, NULL);
 689         uri = geturi(c);
 690         gtk_entry_set_text(GTK_ENTRY(c->urlbar), uri);
 691         gtk_widget_show(c->urlbar);
 692         gtk_widget_grab_focus(c->urlbar);
 693 }
 694
 695 void
 696 stop(Client *c, const Arg *arg) {
 697         if(c->download)
 698                 webkit_download_cancel(c->download);
 699         else
 700                 webkit_web_view_stop_loading(c->view);
 701         c->download = NULL;
 702 }
 703
 704 void
 705 spawn(Client *c, const Arg *arg) {
 706         if(fork() == 0) {
 707                 if(dpy)
 708                         close(ConnectionNumber(dpy));
 709                 setsid();
 710                 execvp(((gchar **)arg->v)[0], (gchar **)arg->v);
 711                 fprintf(stderr, "tabbed: execvp %s", ((gchar **)arg->v)[0]);
 712                 perror(" failed");
 713                 exit(0);
 714         }
 715 }
 716
 717 void
 718 titlechange(WebKitWebView *v, WebKitWebFrame *f, const gchar *t, Client *c) {
 719         c->title = copystr(&c->title, t);
 720         update(c);
 721 }
 722
 723 gboolean
 724 focusview(GtkWidget *w, GdkEventFocus *e, Client *c) {
 725         hidesearch(c, NULL);
 726         hideurl(c, NULL);
 727         return FALSE;
 728 }
 729
 730 void
 731 usage(void) {
 732         fputs("surf - simple browser\n", stderr);
 733         die("usage: surf [-e Window] [-x] [uri]\n");
 734 }
 735
 736 void
 737 update(Client *c) {
 738         gchar *t;
 739
 740         if(c->progress == 100)
 741                 t = g_strdup(c->title);
 742         else
 743                 t = g_strdup_printf("%s [%i%%]", c->title, c->progress);
 744         drawindicator(c);
 745         gtk_window_set_title(GTK_WINDOW(c->win), t);
 746         g_free(t);
 747
 748 }
 749
 750 void
 751 updatewinid(Client *c) {
 752         snprintf(winid, LENGTH(winid), "%u",
 753                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 754 }
 755
 756 void
 757 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
 758         JSStringRef jsscript;
 759         gchar *script;
 760         JSValueRef exception = NULL;
 761         GError *error;
 762
 763         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 764                 jsscript = JSStringCreateWithUTF8CString(script);
 765                 JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
 766         }
 767 }
 768
 769 void
 770 zoom(Client *c, const Arg *arg) {
 771         if(arg->i < 0)          /* zoom out */
 772                 webkit_web_view_zoom_out(c->view);
 773         else if(arg->i > 0)     /* zoom in */
 774                 webkit_web_view_zoom_in(c->view);
 775         else                    /* reset */
 776                 webkit_web_view_set_zoom_level(c->view, 1.0);
 777 }
 778
 779 int main(int argc, char *argv[]) {
 780         int i;
 781         Arg arg;
 782
 783         progname = argv[0];
 784         /* command line args */
 785         for(i = 1, arg.v = NULL; i < argc && argv[i][0] == '-'; i++) {
 786                 if(!strcmp(argv[i], "-x"))
 787                         showxid = TRUE;
 788                 else if(!strcmp(argv[i], "-e")) {
 789                         if(++i < argc)
 790                                 embed = atoi(argv[i]);
 791                         else
 792                                 usage();
 793                 }
 794                 else if(!strcmp(argv[i], "--")) {
 795                         i++;
 796                         break;
 797                 }
 798                 else if(!strcmp(argv[i], "-v"))
 799                         die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
 800                 else
 801                         usage();
 802         }
 803         if(i < argc)
 804                 arg.v = argv[i];
 805         setup();
 806         newclient();
 807         if(arg.v) {
 808                 loaduri(clients, &arg);
 809         }
 810         gtk_main();
 811         cleanup();
 812         return EXIT_SUCCESS;
 813 }