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         gboolean zoomed;
  41 } Client;
  42
  43 typedef struct {
  44         char *label;
  45         void (*func)(Client *c, const Arg *arg);
  46         const Arg arg;
  47 } Item;
  48
  49 typedef enum {
  50         Browser = 0x0001,
  51         SearchBar = 0x0010,
  52         UriBar = 0x0100,
  53         Any = ~0,
  54 } KeyFocus;
  55
  56 typedef struct {
  57         guint mod;
  58         guint keyval;
  59         void (*func)(Client *c, const Arg *arg);
  60         const Arg arg;
  61         KeyFocus focus;
  62 } Key;
  63
  64 static Display *dpy;
  65 static Atom uriprop;
  66 static SoupCookieJar *cookies;
  67 static SoupSession *session;
  68 static Client *clients = NULL;
  69 static GdkNativeWindow embed = 0;
  70 static gboolean showxid = FALSE;
  71 static gboolean ignore_once = FALSE;
  72 static char winid[64];
  73 static char *progname;
  74 static gboolean lockcookie = FALSE;
  75
  76 static const char *autouri(Client *c);
  77 static char *buildpath(const char *path);
  78 static void changecookie(SoupCookieJar *jar, SoupCookie *o, SoupCookie *n, gpointer p);
  79 static void cleanup(void);
  80 static void clipboard(Client *c, const Arg *arg);
  81 static void context(WebKitWebView *v, GtkMenu *m, Client *c);
  82 static char *copystr(char **str, const char *src);
  83 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c);
  84 static void destroyclient(Client *c);
  85 static void destroywin(GtkWidget* w, Client *c);
  86 static void die(char *str);
  87 static void download(WebKitDownload *o, GParamSpec *pspec, Client *c);
  88 static void drawindicator(Client *c);
  89 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
  90 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
  91 static char *geturi(Client *c);
  92 static void hidesearch(Client *c, const Arg *arg);
  93 static void hideuri(Client *c, const Arg *arg);
  94 static void itemclick(GtkMenuItem *mi, Client *c);
  95 static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);
  96 static void linkhover(WebKitWebView *v, const char* t, const char* l, Client *c);
  97 static void loadcommit(WebKitWebView *v, WebKitWebFrame *f, Client *c);
  98 static void loadstart(WebKitWebView *v, WebKitWebFrame *f, Client *c);
  99 static void loaduri(Client *c, const Arg *arg);
 100 static void navigate(Client *c, const Arg *arg);
 101 static Client *newclient(void);
 102 static void newwindow(Client *c, const Arg *arg);
 103 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c);
 104 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 105 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
 106 static void print(Client *c, const Arg *arg);
 107 static void progresschange(WebKitWebView *v, gint p, Client *c);
 108 static void reloadcookies();
 109 static void reload(Client *c, const Arg *arg);
 110 static void resize(GtkWidget *w, GtkAllocation *a, Client *c);
 111 static void sigchld(int unused);
 112 static void setup(void);
 113 static void spawn(Client *c, const Arg *arg);
 114 static void scroll(Client *c, const Arg *arg);
 115 static void searchtext(Client *c, const Arg *arg);
 116 static void source(Client *c, const Arg *arg);
 117 static void showsearch(Client *c, const Arg *arg);
 118 static void showuri(Client *c, const Arg *arg);
 119 static void stop(Client *c, const Arg *arg);
 120 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const char* title, Client *c);
 121 static gboolean focusview(GtkWidget *w, GdkEventFocus *e, Client *c);
 122 static void usage(void);
 123 static void update(Client *c);
 124 static void updatewinid(Client *c);
 125 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
 126 static void zoom(Client *c, const Arg *arg);
 127
 128 /* configuration, allows nested code to access above variables */
 129 #include "config.h"
 130
 131 const char *
 132 autouri(Client *c) {
 133         if(GTK_WIDGET_HAS_FOCUS(c->uribar))
 134                 return gtk_entry_get_text(GTK_ENTRY(c->uribar));
 135         else if(c->linkhover)
 136                 return c->linkhover;
 137         return NULL;
 138 }
 139
 140 char *
 141 buildpath(const char *path) {
 142         char *apath, *p;
 143         FILE *f;
 144
 145         /* creating directory */
 146         if(path[0] == '/')
 147                 apath = g_strdup(path);
 148         else
 149                 apath = g_strconcat(g_get_home_dir(), "/", path, NULL);
 150         if((p = strrchr(apath, '/'))) {
 151                 *p = '\0';
 152                 g_mkdir_with_parents(apath, 0755);
 153                 *p = '/';
 154         }
 155         /* creating file (gives error when apath ends with "/") */
 156         if((f = g_fopen(apath, "a")))
 157                 fclose(f);
 158         return apath;
 159 }
 160
 161 void
 162 changecookie(SoupCookieJar *j, SoupCookie *oc, SoupCookie *c, gpointer p) {
 163         SoupDate *e;
 164         SoupCookieJar *jar;
 165
 166         if(lockcookie)
 167                 return;
 168         if(c && c->expires == NULL) {
 169                 e = soup_date_new_from_time_t(time(NULL) + sessiontime);
 170                 c = soup_cookie_copy(c);
 171                 soup_cookie_set_expires(c, e);
 172         }
 173
 174         jar = soup_cookie_jar_text_new(cookiefile, FALSE);
 175         if(c)
 176                 soup_cookie_jar_add_cookie(jar, soup_cookie_copy(c));
 177         else
 178                 soup_cookie_jar_delete_cookie(jar, oc);
 179         g_object_unref(jar);
 180 }
 181
 182 void
 183 cleanup(void) {
 184         while(clients)
 185                 destroyclient(clients);
 186         g_free(cookiefile);
 187         g_free(dldir);
 188         g_free(scriptfile);
 189         g_free(stylefile);
 190 }
 191
 192 void
 193 clipboard(Client *c, const Arg *arg) {
 194         gboolean paste = *(gboolean *)arg;
 195
 196         if(paste)
 197                 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteuri, c);
 198         else
 199                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), webkit_web_view_get_uri(c->view), -1);
 200 }
 201
 202 void
 203 context(WebKitWebView *v, GtkMenu *m, Client *c) {
 204         int i;
 205         GtkContainer *parent;
 206
 207         gtk_widget_hide_all(GTK_WIDGET(m));
 208         gtk_widget_show(GTK_WIDGET(m));
 209         for(i = 0; i < LENGTH(items); i++) {
 210                 parent = GTK_CONTAINER(gtk_widget_get_parent(c->items[i]));
 211                 if(parent)
 212                         gtk_container_remove(parent, c->items[i]);
 213                 gtk_menu_shell_append(GTK_MENU_SHELL(m), c->items[i]);
 214                 gtk_widget_show(c->items[i]);
 215         }
 216 }
 217
 218 char *
 219 copystr(char **str, const char *src) {
 220         char *tmp;
 221         tmp = g_strdup(src);
 222
 223         if(str && *str) {
 224                 g_free(*str);
 225                 *str = tmp;
 226         }
 227         return tmp;
 228 }
 229
 230 void
 231 destroyclient(Client *c) {
 232         int i;
 233         Client *p;
 234
 235         gtk_widget_destroy(GTK_WIDGET(c->view));
 236         gtk_widget_destroy(c->scroll);
 237         gtk_widget_destroy(c->uribar);
 238         gtk_widget_destroy(c->searchbar);
 239         gtk_widget_destroy(c->vbox);
 240         gtk_widget_destroy(c->indicator);
 241         gtk_widget_destroy(c->win);
 242         for(i = 0; i < LENGTH(items); i++)
 243                 gtk_widget_destroy(c->items[i]);
 244         free(c->items);
 245
 246         for(p = clients; p && p->next != c; p = p->next);
 247         if(p)
 248                 p->next = c->next;
 249         else
 250                 clients = c->next;
 251         free(c);
 252         if(clients == NULL)
 253                 gtk_main_quit();
 254 }
 255
 256 gboolean
 257 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) {
 258         Arg arg;
 259         if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 260                 webkit_web_policy_decision_ignore(p);
 261                 arg.v = (void *)webkit_network_request_get_uri(r);
 262                 newwindow(NULL, &arg);
 263                 return TRUE;
 264         }
 265         return FALSE;
 266 }
 267
 268 void
 269 destroywin(GtkWidget* w, Client *c) {
 270         destroyclient(c);
 271 }
 272
 273 void
 274 die(char *str) {
 275         fputs(str, stderr);
 276         exit(EXIT_FAILURE);
 277 }
 278
 279 void
 280 drawindicator(Client *c) {
 281         gint width;
 282         char *uri;
 283         GtkWidget *w;
 284         GdkGC *gc;
 285         GdkColor fg;
 286
 287         uri = geturi(c);
 288         w = c->indicator;
 289         width = c->progress * w->allocation.width / 100;
 290         gc = gdk_gc_new(w->window);
 291         gdk_color_parse(strstr(uri, "https://") == uri ?
 292                         progress_trust : progress, &fg);
 293         gdk_gc_set_rgb_fg_color(gc, &fg);
 294         gdk_draw_rectangle(w->window,
 295                         w->style->bg_gc[GTK_WIDGET_STATE(w)],
 296                         TRUE, 0, 0, w->allocation.width, w->allocation.height);
 297         gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
 298                         w->allocation.height);
 299         g_object_unref(gc);
 300 }
 301
 302 gboolean
 303 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
 304         drawindicator(c);
 305         return TRUE;
 306 }
 307
 308 void
 309 download(WebKitDownload *o, GParamSpec *pspec, Client *c) {
 310         WebKitDownloadStatus status;
 311
 312         status = webkit_download_get_status(c->download);
 313         if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
 314                 c->progress = (gint)(webkit_download_get_progress(c->download)*100);
 315         }
 316         update(c);
 317 }
 318
 319 gboolean
 320 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 321         const char *filename;
 322         char *uri, *html;
 323
 324         stop(c, NULL);
 325         c->download = o;
 326         filename = webkit_download_get_suggested_filename(o);
 327         uri = g_strconcat("file://", dldir, "/", filename, NULL);
 328         webkit_download_set_destination_uri(c->download, uri);
 329         c->progress = 0;
 330         g_free(uri);
 331         html = g_strdup_printf("Download <b>%s</b>...", filename);
 332         webkit_web_view_load_html_string(c->view, html,
 333                         webkit_download_get_uri(c->download));
 334         g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c);
 335         g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c);
 336         webkit_download_start(c->download);
 337
 338         c->title = copystr(&c->title, filename);
 339         update(c);
 340         g_free(html);
 341         return TRUE;
 342 }
 343
 344 char *
 345 geturi(Client *c) {
 346         char *uri;
 347
 348         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 349                 uri = "about:blank";
 350         return uri;
 351 }
 352
 353 void
 354 hidesearch(Client *c, const Arg *arg) {
 355         gtk_widget_hide(c->searchbar);
 356         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 357 }
 358
 359 void
 360 hideuri(Client *c, const Arg *arg) {
 361         gtk_widget_hide(c->uribar);
 362         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 363 }
 364
 365 void
 366 itemclick(GtkMenuItem *mi, Client *c) {
 367         int i;
 368         const char *label;
 369
 370         label = gtk_menu_item_get_label(mi);
 371         for(i = 0; i < LENGTH(items); i++)
 372                 if(!strcmp(items[i].label, label))
 373                         items[i].func(c, &(items[i].arg));
 374 }
 375
 376 gboolean
 377 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 378         guint i, focus;
 379         gboolean processed = FALSE;
 380
 381         if(ev->type != GDK_KEY_PRESS)
 382                 return FALSE;
 383         if(GTK_WIDGET_HAS_FOCUS(c->searchbar))
 384                 focus = SearchBar;
 385         else if(GTK_WIDGET_HAS_FOCUS(c->uribar))
 386                 focus = UriBar;
 387         else
 388                 focus = Browser;
 389         updatewinid(c);
 390         for(i = 0; i < LENGTH(keys); i++) {
 391                 if(focus & keys[i].focus
 392                                 && gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
 393                                 && CLEANMASK(ev->state) == keys[i].mod
 394                                 && keys[i].func) {
 395                         keys[i].func(c, &(keys[i].arg));
 396                         processed = TRUE;
 397                 }
 398         }
 399         return processed;
 400 }
 401
 402 void
 403 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 404         if(l)
 405                 c->linkhover = copystr(&c->linkhover, l);
 406         else if(c->linkhover) {
 407                 free(c->linkhover);
 408                 c->linkhover = NULL;
 409         }
 410         update(c);
 411 }
 412
 413 void
 414 loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 415         char *uri;
 416
 417         ignore_once = TRUE;
 418         uri = geturi(c);
 419         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), uriprop,
 420                         XA_STRING, 8, PropModeReplace, (unsigned char *)uri,
 421                         strlen(uri) + 1);
 422
 423         reloadcookies();
 424 }
 425
 426 void
 427 loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 428         c->progress = 0;
 429         update(c);
 430 }
 431
 432 void
 433 loaduri(Client *c, const Arg *arg) {
 434         char *u;
 435         const char *uri = (char *)arg->v;
 436
 437         if(!uri)
 438                 uri = autouri(c);
 439         if(!uri)
 440                 return;
 441         u = g_strrstr(uri, "://") ? g_strdup(uri)
 442                 : g_strdup_printf("http://%s", uri);
 443         webkit_web_view_load_uri(c->view, u);
 444         c->progress = 0;
 445         c->title = copystr(&c->title, u);
 446         g_free(u);
 447         update(c);
 448 }
 449
 450 void
 451 navigate(Client *c, const Arg *arg) {
 452         gint steps = *(gint *)arg;
 453         webkit_web_view_go_back_or_forward(c->view, steps);
 454 }
 455
 456 Client *
 457 newclient(void) {
 458         int i;
 459         Client *c;
 460         WebKitWebSettings *settings;
 461         char *uri;
 462
 463         if(!(c = calloc(1, sizeof(Client))))
 464                 die("Cannot malloc!\n");
 465         /* Window */
 466         if(embed) {
 467                 c->win = gtk_plug_new(embed);
 468         }
 469         else {
 470                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 471                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
 472         }
 473         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 474         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
 475         g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
 476         g_signal_connect(G_OBJECT(c->win), "size-allocate", G_CALLBACK(resize), c);
 477
 478         if(!(c->items = calloc(1, sizeof(GtkWidget *) * LENGTH(items))))
 479                 die("Cannot malloc!\n");
 480
 481         /* contextmenu */
 482         for(i = 0; i < LENGTH(items); i++) {
 483                 c->items[i] = gtk_menu_item_new_with_label(items[i].label);
 484                 g_signal_connect(G_OBJECT(c->items[i]), "activate",
 485                                 G_CALLBACK(itemclick), c);
 486         }
 487
 488         /* VBox */
 489         c->vbox = gtk_vbox_new(FALSE, 0);
 490
 491         /* scrolled window */
 492         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 493         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 494                         GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 495
 496         /* webview */
 497         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 498         g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
 499         g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
 500         g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
 501         g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
 502         g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
 503         g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(createwindow), c);
 504         g_signal_connect(G_OBJECT(c->view), "new-window-policy-decision-requested", G_CALLBACK(decidewindow), c);
 505         g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
 506         g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
 507         g_signal_connect(G_OBJECT(c->view), "focus-in-event", G_CALLBACK(focusview), c);
 508         g_signal_connect(G_OBJECT(c->view), "populate-popup", G_CALLBACK(context), c);
 509
 510         /* uribar */
 511         c->uribar = gtk_entry_new();
 512         gtk_entry_set_has_frame(GTK_ENTRY(c->uribar), FALSE);
 513
 514         /* searchbar */
 515         c->searchbar = gtk_entry_new();
 516         gtk_entry_set_has_frame(GTK_ENTRY(c->searchbar), FALSE);
 517
 518         /* indicator */
 519         c->indicator = gtk_drawing_area_new();
 520         gtk_widget_set_size_request(c->indicator, 0, 2);
 521         g_signal_connect (G_OBJECT (c->indicator), "expose_event",
 522                         G_CALLBACK (exposeindicator), c);
 523
 524         /* Arranging */
 525         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 526         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 527         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 528         gtk_container_add(GTK_CONTAINER(c->vbox), c->searchbar);
 529         gtk_container_add(GTK_CONTAINER(c->vbox), c->uribar);
 530         gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
 531
 532         /* Setup */
 533         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->uribar, FALSE, FALSE, 0, GTK_PACK_START);
 534         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->searchbar, FALSE, FALSE, 0, GTK_PACK_START);
 535         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
 536         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
 537         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 538         gtk_widget_hide_all(c->searchbar);
 539         gtk_widget_hide_all(c->uribar);
 540         gtk_widget_show(c->vbox);
 541         gtk_widget_show(c->indicator);
 542         gtk_widget_show(c->scroll);
 543         gtk_widget_show(GTK_WIDGET(c->view));
 544         gtk_widget_show(c->win);
 545         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 546         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 547         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 548         settings = webkit_web_view_get_settings(c->view);
 549         g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL);
 550         uri = g_strconcat("file://", stylefile, NULL);
 551         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 552         g_free(uri);
 553
 554         c->download = NULL;
 555         c->title = NULL;
 556         c->next = clients;
 557         clients = c;
 558         if(showxid) {
 559                 gdk_display_sync(gtk_widget_get_display(c->win));
 560                 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 561                 fflush(NULL);
 562         }
 563         return c;
 564 }
 565
 566 void
 567 newwindow(Client *c, const Arg *arg) {
 568         guint i = 0;
 569         const char *cmd[7], *uri;
 570         const Arg a = { .v = (void *)cmd };
 571         char tmp[64];
 572
 573         cmd[i++] = progname;
 574         if(embed) {
 575                 cmd[i++] = "-e";
 576                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 577                 cmd[i++] = tmp;
 578         }
 579         if(showxid) {
 580                 cmd[i++] = "-x";
 581         }
 582         cmd[i++] = "--";
 583         uri = arg->v ? (char *)arg->v : autouri(c);
 584         if(uri)
 585                 cmd[i++] = uri;
 586         cmd[i++] = NULL;
 587         spawn(NULL, &a);
 588 }
 589
 590 WebKitWebView *
 591 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 592         Client *n = newclient();
 593         return n->view;
 594 }
 595
 596 void
 597 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
 598         Arg arg = {.v = text };
 599         if(text != NULL)
 600                 loaduri((Client *) d, &arg);
 601 }
 602
 603 GdkFilterReturn
 604 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 605         Client *c = (Client *)d;
 606         XPropertyEvent *ev;
 607         Atom adummy;
 608         gint idummy;
 609         unsigned long ldummy;
 610         unsigned char *buf = NULL;
 611         Arg arg;
 612
 613         if(((XEvent *)e)->type == PropertyNotify) {
 614                 ev = &((XEvent *)e)->xproperty;
 615                 if(ev->atom == uriprop && ev->state == PropertyNewValue) {
 616                         if(ignore_once)
 617                                ignore_once = FALSE;
 618                         else {
 619                                 XGetWindowProperty(dpy, ev->window, uriprop, 0L, BUFSIZ, False, XA_STRING,
 620                                         &adummy, &idummy, &ldummy, &ldummy, &buf);
 621                                 arg.v = buf;
 622                                 loaduri(c, &arg);
 623                                 XFree(buf);
 624                         }
 625                         return GDK_FILTER_REMOVE;
 626                 }
 627         }
 628         return GDK_FILTER_CONTINUE;
 629 }
 630
 631 void
 632 print(Client *c, const Arg *arg) {
 633         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 634 }
 635
 636 void
 637 progresschange(WebKitWebView *v, gint p, Client *c) {
 638         c->progress = p;
 639         update(c);
 640 }
 641
 642 void
 643 reload(Client *c, const Arg *arg) {
 644         gboolean nocache = *(gboolean *)arg;
 645         if(nocache)
 646                  webkit_web_view_reload_bypass_cache(c->view);
 647         else
 648                  webkit_web_view_reload(c->view);
 649 }
 650
 651 void
 652 reloadcookies() {
 653         SoupCookieJar *jar;
 654         GSList *l, *e;
 655
 656         lockcookie = TRUE;
 657         for(l = e = soup_cookie_jar_all_cookies(cookies); e; e = e->next)
 658                 soup_cookie_jar_delete_cookie(cookies, (SoupCookie *)e->data);
 659         soup_cookies_free(l);
 660         jar = soup_cookie_jar_text_new(cookiefile, TRUE);
 661         for(l = e = soup_cookie_jar_all_cookies(jar); e; e = e->next)
 662                 soup_cookie_jar_add_cookie(cookies, (SoupCookie *)e->data);
 663         g_slist_free(l);
 664         lockcookie = FALSE;
 665         g_object_unref(jar);
 666 }
 667
 668 void
 669 scroll(Client *c, const Arg *arg) {
 670         gdouble v;
 671         GtkAdjustment *a;
 672
 673         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
 674         v = gtk_adjustment_get_value(a);
 675         v += gtk_adjustment_get_step_increment(a) * arg->i;
 676         v = MAX(v, 0.0);
 677         v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
 678         gtk_adjustment_set_value(a, v);
 679 }
 680
 681 void
 682 resize(GtkWidget *w, GtkAllocation *a, Client *c) {
 683         double zoom;
 684
 685         if(c->zoomed)
 686                 return;
 687         zoom = webkit_web_view_get_zoom_level(c->view);
 688         if(a->width * a->height < 300 * 400 && zoom != 0.2)
 689                 webkit_web_view_set_zoom_level(c->view, 0.2);
 690         else if(zoom != 1.0)
 691                 webkit_web_view_set_zoom_level(c->view, 1.0);
 692 }
 693
 694 void
 695 sigchld(int unused) {
 696         if(signal(SIGCHLD, sigchld) == SIG_ERR)
 697                 die("Can't install SIGCHLD handler");
 698         while(0 < waitpid(-1, NULL, WNOHANG));
 699 }
 700
 701 void
 702 setup(void) {
 703         SoupSession *s;
 704
 705         /* clean up any zombies immediately */
 706         sigchld(0);
 707         gtk_init(NULL, NULL);
 708         if (!g_thread_supported())
 709                 g_thread_init(NULL);
 710
 711         dpy = GDK_DISPLAY();
 712         session = webkit_get_default_session();
 713         uriprop = XInternAtom(dpy, "_SURF_URI", False);
 714
 715         /* create dirs and files */
 716         cookiefile = buildpath(cookiefile);
 717         dldir = buildpath(dldir);
 718         scriptfile = buildpath(scriptfile);
 719         stylefile = buildpath(stylefile);
 720
 721         /* cookie persistance */
 722         s = webkit_get_default_session();
 723         cookies = soup_cookie_jar_new();
 724         soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookies));
 725         g_signal_connect(cookies, "changed", G_CALLBACK(changecookie), NULL);
 726         reloadcookies();
 727 }
 728
 729 void
 730 showsearch(Client *c, const Arg *arg) {
 731         hideuri(c, NULL);
 732         gtk_widget_show(c->searchbar);
 733         gtk_widget_grab_focus(c->searchbar);
 734 }
 735
 736 void
 737 source(Client *c, const Arg *arg) {
 738         Arg a = { .b = FALSE };
 739         gboolean s;
 740
 741         s = webkit_web_view_get_view_source_mode(c->view);
 742         webkit_web_view_set_view_source_mode(c->view, !s);
 743         reload(c, &a);
 744 }
 745
 746 void
 747 searchtext(Client *c, const Arg *arg) {
 748         const char *text;
 749         gboolean forward = *(gboolean *)arg;
 750         text = gtk_entry_get_text(GTK_ENTRY(c->searchbar));
 751         webkit_web_view_search_text(c->view, text, FALSE, forward, TRUE);
 752         webkit_web_view_mark_text_matches(c->view, text, FALSE, 0);
 753 }
 754
 755 void
 756 showuri(Client *c, const Arg *arg) {
 757         char *uri;
 758
 759         hidesearch(c, NULL);
 760         uri = geturi(c);
 761         gtk_entry_set_text(GTK_ENTRY(c->uribar), uri);
 762         gtk_widget_show(c->uribar);
 763         gtk_widget_grab_focus(c->uribar);
 764 }
 765
 766 void
 767 stop(Client *c, const Arg *arg) {
 768         if(c->download)
 769                 webkit_download_cancel(c->download);
 770         else
 771                 webkit_web_view_stop_loading(c->view);
 772         c->download = NULL;
 773 }
 774
 775 void
 776 spawn(Client *c, const Arg *arg) {
 777         if(fork() == 0) {
 778                 if(dpy)
 779                         close(ConnectionNumber(dpy));
 780                 setsid();
 781                 execvp(((char **)arg->v)[0], (char **)arg->v);
 782                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
 783                 perror(" failed");
 784                 exit(0);
 785         }
 786 }
 787
 788 void
 789 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
 790         c->title = copystr(&c->title, t);
 791         update(c);
 792 }
 793
 794 gboolean
 795 focusview(GtkWidget *w, GdkEventFocus *e, Client *c) {
 796         hidesearch(c, NULL);
 797         hideuri(c, NULL);
 798         return FALSE;
 799 }
 800
 801 void
 802 usage(void) {
 803         fputs("surf - simple browser\n", stderr);
 804         die("usage: surf [-e Window] [-x] [uri]\n");
 805 }
 806
 807 void
 808 update(Client *c) {
 809         char *t;
 810
 811         if(c->progress != 100)
 812                 t = g_strdup_printf("%s [%i%%]", c->title, c->progress);
 813         else if(c->linkhover)
 814                 t = g_strdup(c->linkhover);
 815         else
 816                 t = g_strdup(c->title);
 817         drawindicator(c);
 818         gtk_window_set_title(GTK_WINDOW(c->win), t);
 819         g_free(t);
 820
 821 }
 822
 823 void
 824 updatewinid(Client *c) {
 825         snprintf(winid, LENGTH(winid), "%u",
 826                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 827 }
 828
 829 void
 830 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
 831         JSStringRef jsscript;
 832         char *script;
 833         JSValueRef exception = NULL;
 834         GError *error;
 835
 836         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 837                 jsscript = JSStringCreateWithUTF8CString(script);
 838                 JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
 839         }
 840 }
 841
 842 void
 843 zoom(Client *c, const Arg *arg) {
 844         c->zoomed = TRUE;
 845         if(arg->i < 0)          /* zoom out */
 846                 webkit_web_view_zoom_out(c->view);
 847         else if(arg->i > 0)     /* zoom in */
 848                 webkit_web_view_zoom_in(c->view);
 849         else {                  /* reset */
 850                 c->zoomed = FALSE;
 851                 webkit_web_view_set_zoom_level(c->view, 1.0);
 852         }
 853 }
 854
 855 int main(int argc, char *argv[]) {
 856         int i;
 857         Arg arg;
 858
 859         progname = argv[0];
 860         /* command line args */
 861         for(i = 1, arg.v = NULL; i < argc && argv[i][0] == '-'; i++) {
 862                 if(!strcmp(argv[i], "-x"))
 863                         showxid = TRUE;
 864                 else if(!strcmp(argv[i], "-e")) {
 865                         if(++i < argc)
 866                                 embed = atoi(argv[i]);
 867                         else
 868                                 usage();
 869                 }
 870                 else if(!strcmp(argv[i], "--")) {
 871                         i++;
 872                         break;
 873                 }
 874                 else if(!strcmp(argv[i], "-v"))
 875                         die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
 876                 else
 877                         usage();
 878         }
 879         if(i < argc)
 880                 arg.v = argv[i];
 881         setup();
 882         newclient();
 883         if(arg.v) {
 884                 loaduri(clients, &arg);
 885         }
 886         gtk_main();
 887         cleanup();
 888         return EXIT_SUCCESS;
 889 }