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, *uribar, *searchbar, *indicator;
  34         GtkWidget **items;
  35         WebKitWebView *view;
  36         WebKitDownload *download;
  37         char *title, *linkhover;
  38         gint progress;
  39         struct Client *next;
  40 } Client;
  41
  42 typedef struct {
  43         char *label;
  44         void (*func)(Client *c, const Arg *arg);
  45         const Arg arg;
  46 } Item;
  47
  48 typedef enum {
  49         Browser = 0x0001,
  50         SearchBar = 0x0010,
  51         UriBar = 0x0100,
  52         Any = ~0,
  53 } KeyFocus;
  54
  55 typedef struct {
  56         guint mod;
  57         guint keyval;
  58         void (*func)(Client *c, const Arg *arg);
  59         const Arg arg;
  60         KeyFocus focus;
  61 } Key;
  62
  63 static Display *dpy;
  64 static Atom uriprop;
  65 static SoupCookieJar *cookiejar;
  66 static SoupSession *session;
  67 static Client *clients = NULL;
  68 static GdkNativeWindow embed = 0;
  69 static gboolean showxid = FALSE;
  70 static gboolean ignore_once = FALSE;
  71 static char winid[64];
  72 static char *progname;
  73
  74 static const char *autouri(Client *c);
  75 static char *buildpath(const char *path);
  76 static void cleanup(void);
  77 static void clipboard(Client *c, const Arg *arg);
  78 static void context(WebKitWebView *v, GtkMenu *m, Client *c);
  79 static char *copystr(char **str, const char *src);
  80 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c);
  81 static void destroyclient(Client *c);
  82 static void destroywin(GtkWidget* w, Client *c);
  83 static void die(char *str);
  84 static void download(WebKitDownload *o, GParamSpec *pspec, Client *c);
  85 static void drawindicator(Client *c);
  86 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
  87 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
  88 static char *geturi(Client *c);
  89 static void hidesearch(Client *c, const Arg *arg);
  90 static void hideuri(Client *c, const Arg *arg);
  91 static void itemclick(GtkMenuItem *mi, Client *c);
  92 static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);
  93 static void linkhover(WebKitWebView *v, const char* t, const char* l, Client *c);
  94 static void loadcommit(WebKitWebView *v, WebKitWebFrame *f, Client *c);
  95 static void loadfinished(WebKitWebView *v, WebKitWebFrame *f, Client *c);
  96 static void loadstart(WebKitWebView *v, WebKitWebFrame *f, Client *c);
  97 static void loaduri(Client *c, const Arg *arg);
  98 static void navigate(Client *c, const Arg *arg);
  99 static Client *newclient(void);
 100 static void newwindow(Client *c, const Arg *arg);
 101 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c);
 102 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 103 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
 104 static void print(Client *c, const Arg *arg);
 105 static void progresschange(WebKitWebView *v, gint p, Client *c);
 106 static void reload(Client *c, const Arg *arg);
 107 static void reloadcookie();
 108 static void sigchld(int unused);
 109 static void setup(void);
 110 static void spawn(Client *c, const Arg *arg);
 111 static void scroll(Client *c, const Arg *arg);
 112 static void searchtext(Client *c, const Arg *arg);
 113 static void source(Client *c, const Arg *arg);
 114 static void showsearch(Client *c, const Arg *arg);
 115 static void showuri(Client *c, const Arg *arg);
 116 static void stop(Client *c, const Arg *arg);
 117 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const char* title, Client *c);
 118 static gboolean focusview(GtkWidget *w, GdkEventFocus *e, Client *c);
 119 static void usage(void);
 120 static void update(Client *c);
 121 static void updatewinid(Client *c);
 122 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
 123 static void zoom(Client *c, const Arg *arg);
 124
 125 /* configuration, allows nested code to access above variables */
 126 #include "config.h"
 127
 128 const char *
 129 autouri(Client *c) {
 130         if(GTK_WIDGET_HAS_FOCUS(c->uribar))
 131                 return gtk_entry_get_text(GTK_ENTRY(c->uribar));
 132         else if(c->linkhover)
 133                 return c->linkhover;
 134         return NULL;
 135 }
 136
 137 char *
 138 buildpath(const char *path) {
 139         char *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), pasteuri, 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         int i;
 181         GtkContainer *parent;
 182
 183         gtk_widget_hide_all(GTK_WIDGET(m));
 184         gtk_widget_show(GTK_WIDGET(m));
 185         for(i = 0; i < LENGTH(items); i++) {
 186                 parent = GTK_CONTAINER(gtk_widget_get_parent(c->items[i]));
 187                 if(parent)
 188                         gtk_container_remove(parent, c->items[i]);
 189                 gtk_menu_shell_append(GTK_MENU_SHELL(m), c->items[i]);
 190                 gtk_widget_show(c->items[i]);
 191         }
 192 }
 193
 194 char *
 195 copystr(char **str, const char *src) {
 196         char *tmp;
 197         tmp = g_strdup(src);
 198
 199         if(str && *str) {
 200                 g_free(*str);
 201                 *str = tmp;
 202         }
 203         return tmp;
 204 }
 205
 206 void
 207 destroyclient(Client *c) {
 208         int i;
 209         Client *p;
 210
 211         gtk_widget_destroy(GTK_WIDGET(c->view));
 212         gtk_widget_destroy(c->scroll);
 213         gtk_widget_destroy(c->uribar);
 214         gtk_widget_destroy(c->searchbar);
 215         gtk_widget_destroy(c->vbox);
 216         gtk_widget_destroy(c->win);
 217         for(i = 0; i < LENGTH(items); i++)
 218                 gtk_widget_destroy(c->items[i]);
 219         free(c->items);
 220
 221         for(p = clients; p && p->next != c; p = p->next);
 222         if(p)
 223                 p->next = c->next;
 224         else
 225                 clients = c->next;
 226         free(c);
 227         if(clients == NULL)
 228                 gtk_main_quit();
 229 }
 230
 231 gboolean
 232 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) {
 233         Arg arg;
 234         if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 235                 webkit_web_policy_decision_ignore(p);
 236                 arg.v = (void *)webkit_network_request_get_uri(r);
 237                 newwindow(NULL, &arg);
 238                 return TRUE;
 239         }
 240         return FALSE;
 241 }
 242
 243 void
 244 destroywin(GtkWidget* w, Client *c) {
 245         destroyclient(c);
 246 }
 247
 248 void
 249 die(char *str) {
 250         fputs(str, stderr);
 251         exit(EXIT_FAILURE);
 252 }
 253
 254 void
 255 drawindicator(Client *c) {
 256         gint width;
 257         char *uri;
 258         GtkWidget *w;
 259         GdkGC *gc;
 260         GdkColor fg;
 261
 262         uri = geturi(c);
 263         w = c->indicator;
 264         width = c->progress * w->allocation.width / 100;
 265         gc = gdk_gc_new(w->window);
 266         gdk_color_parse(strstr(uri, "https://") == uri ?
 267                         progress_trust : progress, &fg);
 268         gdk_gc_set_rgb_fg_color(gc, &fg);
 269         gdk_draw_rectangle(w->window,
 270                         w->style->bg_gc[GTK_WIDGET_STATE(w)],
 271                         TRUE, 0, 0, w->allocation.width, w->allocation.height);
 272         gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
 273                         w->allocation.height);
 274         g_object_unref(gc);
 275 }
 276
 277 gboolean
 278 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
 279         drawindicator(c);
 280         return TRUE;
 281 }
 282
 283 void
 284 download(WebKitDownload *o, GParamSpec *pspec, Client *c) {
 285         WebKitDownloadStatus status;
 286
 287         status = webkit_download_get_status(c->download);
 288         if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
 289                 c->progress = (gint)(webkit_download_get_progress(c->download)*100);
 290         }
 291         update(c);
 292 }
 293
 294 gboolean
 295 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 296         const char *filename;
 297         char *uri, *html;
 298
 299         stop(c, NULL);
 300         c->download = o;
 301         filename = webkit_download_get_suggested_filename(o);
 302         uri = g_strconcat("file://", dldir, "/", filename, NULL);
 303         webkit_download_set_destination_uri(c->download, uri);
 304         c->progress = 0;
 305         g_free(uri);
 306         html = g_strdup_printf("Download <b>%s</b>...", filename);
 307         webkit_web_view_load_html_string(c->view, html,
 308                         webkit_download_get_uri(c->download));
 309         g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c);
 310         g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c);
 311         webkit_download_start(c->download);
 312
 313         c->title = copystr(&c->title, filename);
 314         update(c);
 315         g_free(html);
 316         return TRUE;
 317 }
 318
 319 char *
 320 geturi(Client *c) {
 321         char *uri;
 322
 323         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 324                 uri = copystr(NULL, "about:blank");
 325         return uri;
 326 }
 327
 328 void
 329 hidesearch(Client *c, const Arg *arg) {
 330         gtk_widget_hide(c->searchbar);
 331         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 332 }
 333
 334 void
 335 hideuri(Client *c, const Arg *arg) {
 336         gtk_widget_hide(c->uribar);
 337         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 338 }
 339
 340 void
 341 itemclick(GtkMenuItem *mi, Client *c) {
 342         int i;
 343         const char *label;
 344
 345         label = gtk_menu_item_get_label(mi);
 346         for(i = 0; i < LENGTH(items); i++)
 347                 if(!strcmp(items[i].label, label))
 348                         items[i].func(c, &(items[i].arg));
 349 }
 350
 351 gboolean
 352 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 353         guint i, focus;
 354         gboolean processed = FALSE;
 355
 356         if(ev->type != GDK_KEY_PRESS)
 357                 return FALSE;
 358         if(GTK_WIDGET_HAS_FOCUS(c->searchbar))
 359                 focus = SearchBar;
 360         else if(GTK_WIDGET_HAS_FOCUS(c->uribar))
 361                 focus = UriBar;
 362         else
 363                 focus = Browser;
 364         updatewinid(c);
 365         for(i = 0; i < LENGTH(keys); i++) {
 366                 if(focus & keys[i].focus
 367                                 && 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         char *uri;
 391
 392         ignore_once = TRUE;
 393         uri = geturi(c);
 394         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), uriprop,
 395                         XA_STRING, 8, PropModeReplace, (unsigned char *)uri,
 396                         strlen(uri) + 1);
 397 }
 398
 399 void
 400 loadfinished(WebKitWebView *v, WebKitWebFrame *f, Client *c) {
 401         reloadcookie();
 402 }
 403
 404 void
 405 loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 406         reloadcookie();
 407         c->progress = 0;
 408         update(c);
 409 }
 410
 411 void
 412 loaduri(Client *c, const Arg *arg) {
 413         char *u;
 414         const char *uri = (char *)arg->v;
 415
 416         if(!uri)
 417                 uri = autouri(c);
 418         if(!uri)
 419                 return;
 420         u = g_strrstr(uri, "://") ? g_strdup(uri)
 421                 : g_strdup_printf("http://%s", uri);
 422         webkit_web_view_load_uri(c->view, u);
 423         c->progress = 0;
 424         c->title = copystr(&c->title, u);
 425         g_free(u);
 426         update(c);
 427 }
 428
 429 void
 430 navigate(Client *c, const Arg *arg) {
 431         gint steps = *(gint *)arg;
 432         webkit_web_view_go_back_or_forward(c->view, steps);
 433 }
 434
 435 Client *
 436 newclient(void) {
 437         int i;
 438         Client *c;
 439         WebKitWebSettings *settings;
 440         char *uri;
 441
 442         if(!(c = calloc(1, sizeof(Client))))
 443                 die("Cannot malloc!\n");
 444         /* Window */
 445         if(embed) {
 446                 c->win = gtk_plug_new(embed);
 447         }
 448         else {
 449                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 450                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
 451         }
 452         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 453         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
 454         g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
 455
 456         if(!(c->items = calloc(1, sizeof(GtkWidget *) * LENGTH(items))))
 457                 die("Cannot malloc!\n");
 458
 459         /* contextmenu */
 460         for(i = 0; i < LENGTH(items); i++) {
 461                 c->items[i] = gtk_menu_item_new_with_label(items[i].label);
 462                 g_signal_connect(G_OBJECT(c->items[i]), "activate",
 463                                 G_CALLBACK(itemclick), c);
 464         }
 465
 466
 467         /* VBox */
 468         c->vbox = gtk_vbox_new(FALSE, 0);
 469
 470         /* scrolled window */
 471         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 472         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 473                         GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 474
 475         /* webview */
 476         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 477         g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
 478         g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
 479         g_signal_connect(G_OBJECT(c->view), "load-finished", G_CALLBACK(loadfinished), c);
 480         g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
 481         g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
 482         g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
 483         g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(createwindow), c);
 484         g_signal_connect(G_OBJECT(c->view), "new-window-policy-decision-requested", G_CALLBACK(decidewindow), c);
 485         g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
 486         g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
 487         g_signal_connect(G_OBJECT(c->view), "focus-in-event", G_CALLBACK(focusview), c);
 488         g_signal_connect(G_OBJECT(c->view), "populate-popup", G_CALLBACK(context), c);
 489
 490         /* uribar */
 491         c->uribar = gtk_entry_new();
 492         gtk_entry_set_has_frame(GTK_ENTRY(c->uribar), FALSE);
 493
 494         /* searchbar */
 495         c->searchbar = gtk_entry_new();
 496         gtk_entry_set_has_frame(GTK_ENTRY(c->searchbar), FALSE);
 497
 498         /* indicator */
 499         c->indicator = gtk_drawing_area_new();
 500         gtk_widget_set_size_request(c->indicator, 0, 2);
 501         g_signal_connect (G_OBJECT (c->indicator), "expose_event",
 502                         G_CALLBACK (exposeindicator), c);
 503
 504         /* Arranging */
 505         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 506         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 507         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 508         gtk_container_add(GTK_CONTAINER(c->vbox), c->searchbar);
 509         gtk_container_add(GTK_CONTAINER(c->vbox), c->uribar);
 510         gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
 511
 512         /* Setup */
 513         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->uribar, FALSE, FALSE, 0, GTK_PACK_START);
 514         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->searchbar, FALSE, FALSE, 0, GTK_PACK_START);
 515         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
 516         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
 517         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 518         gtk_widget_hide_all(c->searchbar);
 519         gtk_widget_hide_all(c->uribar);
 520         gtk_widget_show(c->vbox);
 521         gtk_widget_show(c->indicator);
 522         gtk_widget_show(c->scroll);
 523         gtk_widget_show(GTK_WIDGET(c->view));
 524         gtk_widget_show(c->win);
 525         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 526         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 527         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 528         settings = webkit_web_view_get_settings(c->view);
 529         g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL);
 530         uri = g_strconcat("file://", stylefile, NULL);
 531         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 532         g_free(uri);
 533
 534         c->download = NULL;
 535         c->title = NULL;
 536         c->next = clients;
 537         clients = c;
 538         if(showxid) {
 539                 gdk_display_sync(gtk_widget_get_display(c->win));
 540                 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 541                 fflush(NULL);
 542         }
 543         return c;
 544 }
 545
 546 void
 547 newwindow(Client *c, const Arg *arg) {
 548         guint i = 0;
 549         const char *cmd[7], *uri;
 550         const Arg a = { .v = (void *)cmd };
 551         char tmp[64];
 552
 553         cmd[i++] = progname;
 554         if(embed) {
 555                 cmd[i++] = "-e";
 556                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 557                 cmd[i++] = tmp;
 558         }
 559         if(showxid) {
 560                 cmd[i++] = "-x";
 561         }
 562         cmd[i++] = "--";
 563         uri = arg->v ? (char *)arg->v : autouri(c);
 564         if(uri)
 565                 cmd[i++] = uri;
 566         cmd[i++] = NULL;
 567         spawn(NULL, &a);
 568 }
 569
 570 WebKitWebView *
 571 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 572         Client *n = newclient();
 573         return n->view;
 574 }
 575
 576 void
 577 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
 578         Arg arg = {.v = text };
 579         if(text != NULL)
 580                 loaduri((Client *) d, &arg);
 581 }
 582
 583 GdkFilterReturn
 584 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 585         Client *c = (Client *)d;
 586         XPropertyEvent *ev;
 587         Atom adummy;
 588         gint idummy;
 589         unsigned long ldummy;
 590         unsigned char *buf = NULL;
 591         Arg arg;
 592
 593         if(((XEvent *)e)->type == PropertyNotify) {
 594                 ev = &((XEvent *)e)->xproperty;
 595                 if(ev->atom == uriprop && ev->state == PropertyNewValue) {
 596                         if(ignore_once)
 597                                ignore_once = FALSE;
 598                         else {
 599                                 XGetWindowProperty(dpy, ev->window, uriprop, 0L, BUFSIZ, False, XA_STRING,
 600                                         &adummy, &idummy, &ldummy, &ldummy, &buf);
 601                                 arg.v = buf;
 602                                 loaduri(c, &arg);
 603                                 XFree(buf);
 604                         }
 605                         return GDK_FILTER_REMOVE;
 606                 }
 607         }
 608         return GDK_FILTER_CONTINUE;
 609 }
 610
 611 void
 612 print(Client *c, const Arg *arg) {
 613         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 614 }
 615
 616 void
 617 progresschange(WebKitWebView *v, gint p, Client *c) {
 618         c->progress = p;
 619         update(c);
 620 }
 621
 622 void
 623 reload(Client *c, const Arg *arg) {
 624         gboolean nocache = *(gboolean *)arg;
 625         if(nocache)
 626                  webkit_web_view_reload_bypass_cache(c->view);
 627         else
 628                  webkit_web_view_reload(c->view);
 629 }
 630
 631 void
 632 reloadcookie(void) {
 633         GSList *p, *l;
 634         SoupCookie *c;
 635         SoupSession *s;
 636         SoupDate *e;
 637
 638         e = soup_date_new_from_time_t(time(NULL) + sessiontime);
 639         for(l = p = soup_cookie_jar_all_cookies(cookiejar); p; p = p->next) {
 640                 c = (SoupCookie *)l->data;
 641                 if(c->expires == NULL) {
 642                         soup_cookie_set_expires(c, e);
 643                         soup_cookie_jar_add_cookie(cookiejar,
 644                                         soup_cookie_copy(c));
 645                 }
 646         }
 647         soup_cookies_free(l);
 648         soup_date_free(e);
 649         /* This forces the cookie to be written to hdd */
 650         s = webkit_get_default_session();
 651         soup_session_remove_feature(s, SOUP_SESSION_FEATURE(cookiejar));
 652         soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookiejar));
 653 }
 654
 655 void
 656 scroll(Client *c, const Arg *arg) {
 657         gdouble v;
 658         GtkAdjustment *a;
 659
 660         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
 661         v = gtk_adjustment_get_value(a);
 662         v += gtk_adjustment_get_step_increment(a) * arg->i;
 663         v = MAX(v, 0.0);
 664         v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
 665         gtk_adjustment_set_value(a, v);
 666 }
 667
 668 void
 669 sigchld(int unused) {
 670         if(signal(SIGCHLD, sigchld) == SIG_ERR)
 671                 die("Can't install SIGCHLD handler");
 672         while(0 < waitpid(-1, NULL, WNOHANG));
 673 }
 674
 675 void
 676 setup(void) {
 677         SoupSession *s;
 678
 679         /* clean up any zombies immediately */
 680         sigchld(0);
 681         gtk_init(NULL, NULL);
 682         if (!g_thread_supported())
 683                 g_thread_init(NULL);
 684
 685         dpy = GDK_DISPLAY();
 686         session = webkit_get_default_session();
 687         uriprop = XInternAtom(dpy, "_SURF_URI", False);
 688
 689         /* create dirs and files */
 690         cookiefile = buildpath(cookiefile);
 691         dldir = buildpath(dldir);
 692         scriptfile = buildpath(scriptfile);
 693         stylefile = buildpath(stylefile);
 694
 695         /* cookie persistance */
 696         s = webkit_get_default_session();
 697         cookiejar = soup_cookie_jar_text_new(cookiefile, FALSE);
 698         soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookiejar));
 699 }
 700
 701 void
 702 showsearch(Client *c, const Arg *arg) {
 703         hideuri(c, NULL);
 704         gtk_widget_show(c->searchbar);
 705         gtk_widget_grab_focus(c->searchbar);
 706 }
 707
 708 void
 709 source(Client *c, const Arg *arg) {
 710         Arg a = { .b = FALSE };
 711         gboolean s;
 712
 713         s = webkit_web_view_get_view_source_mode(c->view);
 714         webkit_web_view_set_view_source_mode(c->view, !s);
 715         reload(c, &a);
 716 }
 717
 718 void
 719 searchtext(Client *c, const Arg *arg) {
 720         const char *text;
 721         gboolean forward = *(gboolean *)arg;
 722         text = gtk_entry_get_text(GTK_ENTRY(c->searchbar));
 723         webkit_web_view_search_text(c->view, text, FALSE, forward, TRUE);
 724         webkit_web_view_mark_text_matches(c->view, text, FALSE, 0);
 725 }
 726
 727 void
 728 showuri(Client *c, const Arg *arg) {
 729         char *uri;
 730
 731         hidesearch(c, NULL);
 732         uri = geturi(c);
 733         gtk_entry_set_text(GTK_ENTRY(c->uribar), uri);
 734         gtk_widget_show(c->uribar);
 735         gtk_widget_grab_focus(c->uribar);
 736 }
 737
 738 void
 739 stop(Client *c, const Arg *arg) {
 740         if(c->download)
 741                 webkit_download_cancel(c->download);
 742         else
 743                 webkit_web_view_stop_loading(c->view);
 744         c->download = NULL;
 745 }
 746
 747 void
 748 spawn(Client *c, const Arg *arg) {
 749         if(fork() == 0) {
 750                 if(dpy)
 751                         close(ConnectionNumber(dpy));
 752                 setsid();
 753                 execvp(((char **)arg->v)[0], (char **)arg->v);
 754                 fprintf(stderr, "tabbed: execvp %s", ((char **)arg->v)[0]);
 755                 perror(" failed");
 756                 exit(0);
 757         }
 758 }
 759
 760 void
 761 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
 762         c->title = copystr(&c->title, t);
 763         update(c);
 764 }
 765
 766 gboolean
 767 focusview(GtkWidget *w, GdkEventFocus *e, Client *c) {
 768         hidesearch(c, NULL);
 769         hideuri(c, NULL);
 770         return FALSE;
 771 }
 772
 773 void
 774 usage(void) {
 775         fputs("surf - simple browser\n", stderr);
 776         die("usage: surf [-e Window] [-x] [uri]\n");
 777 }
 778
 779 void
 780 update(Client *c) {
 781         char *t;
 782
 783         if(c->progress != 100)
 784                 t = g_strdup_printf("%s [%i%%]", c->title, c->progress);
 785         else if(c->linkhover)
 786                 t = g_strdup(c->linkhover);
 787         else
 788                 t = g_strdup(c->title);
 789         drawindicator(c);
 790         gtk_window_set_title(GTK_WINDOW(c->win), t);
 791         g_free(t);
 792
 793 }
 794
 795 void
 796 updatewinid(Client *c) {
 797         snprintf(winid, LENGTH(winid), "%u",
 798                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 799 }
 800
 801 void
 802 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
 803         JSStringRef jsscript;
 804         char *script;
 805         JSValueRef exception = NULL;
 806         GError *error;
 807
 808         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 809                 jsscript = JSStringCreateWithUTF8CString(script);
 810                 JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
 811         }
 812 }
 813
 814 void
 815 zoom(Client *c, const Arg *arg) {
 816         if(arg->i < 0)          /* zoom out */
 817                 webkit_web_view_zoom_out(c->view);
 818         else if(arg->i > 0)     /* zoom in */
 819                 webkit_web_view_zoom_in(c->view);
 820         else                    /* reset */
 821                 webkit_web_view_set_zoom_level(c->view, 1.0);
 822 }
 823
 824 int main(int argc, char *argv[]) {
 825         int i;
 826         Arg arg;
 827
 828         progname = argv[0];
 829         /* command line args */
 830         for(i = 1, arg.v = NULL; i < argc && argv[i][0] == '-'; i++) {
 831                 if(!strcmp(argv[i], "-x"))
 832                         showxid = TRUE;
 833                 else if(!strcmp(argv[i], "-e")) {
 834                         if(++i < argc)
 835                                 embed = atoi(argv[i]);
 836                         else
 837                                 usage();
 838                 }
 839                 else if(!strcmp(argv[i], "--")) {
 840                         i++;
 841                         break;
 842                 }
 843                 else if(!strcmp(argv[i], "-v"))
 844                         die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
 845                 else
 846                         usage();
 847         }
 848         if(i < argc)
 849                 arg.v = argv[i];
 850         setup();
 851         newclient();
 852         if(arg.v) {
 853                 loaduri(clients, &arg);
 854         }
 855         gtk_main();
 856         cleanup();
 857         return EXIT_SUCCESS;
 858 }