return -1;  }}/*private*/voidosb_browser_set_location_icon(OSBBrowser* self, const gchar* path){  GtkWidget *browser_location_icon =    glade_xml_get_widget(self->_priv->xml, "browser_location_icon");      GError *gerr = NULL;   GdkPixbuf* default_location_pixbuf =    gdk_pixbuf_new_from_file(path,			     &gerr);    	  if (default_location_pixbuf) {    GtkRequisition req;    GdkPixbuf *scaled_buf;    gtk_widget_size_request (browser_location_icon, &req);	    scaled_buf = gdk_pixbuf_scale_simple (default_location_pixbuf,				      req.width,				      req.height,				      GDK_INTERP_BILINEAR);    g_object_unref (default_location_pixbuf);	    gtk_image_set_from_pixbuf (GTK_IMAGE(browser_location_icon),			       scaled_buf);    g_object_unref (scaled_buf);  } else    g_warning("couldn't load default location icon from path %s", path);    }/*private*/GtkKHTML*osb_browser_get_active_engine (OSBBrowser* self){  int curpage = gtk_notebook_get_current_page (self->_priv->tab);  GtkKHTML *engine = GTK_KHTML (gtk_notebook_get_nth_page (self->_priv->tab, curpage));  return engine;}/*private*/voidosb_browser_set_location (OSBBrowser* self, const gchar* location){  GtkEntry *entry;  if (!location) location = "";  entry = GTK_ENTRY (glade_xml_get_widget (self->_priv->xml, "location"));  gtk_entry_set_text (entry, location);}/*private*/voidosb_browser_set_title (OSBBrowser* self, const gchar* title){  gchar *clean_title;  gchar *win_title;  int len;  gchar* lf;    if (!title)    title = "";  clean_title = g_strdup(title);  len = strlen(clean_title);  lf = NULL;  while ( (lf = g_strstr_len (clean_title, len, "\n"))) {    *lf = ' ';  }    clean_title = g_strstrip(clean_title);    win_title = g_strconcat (clean_title,			   " - ",			   osb_browser_config_get_string (self, STRING_BROWSER_NAME),			   NULL);  g_free (clean_title);    gtk_window_set_title (GTK_WINDOW (self), win_title);  g_free (win_title); }/*private*/voidosb_browser_update_ui(OSBBrowser* self, GtkKHTML* engine){  const gchar *title = gtk_khtml_get_title (engine);  const gchar *loc = gtk_khtml_get_location (engine);    osb_browser_set_location (self, loc);  if (title)    osb_browser_set_title (self, title);  else    osb_browser_set_title (self, loc);    gtk_widget_set_sensitive (glade_xml_get_widget (self->_priv->xml, "back"),			    gtk_khtml_can_go_back (engine));    gtk_widget_set_sensitive (glade_xml_get_widget (self->_priv->xml, "go_back"),			    gtk_khtml_can_go_back (engine));    gtk_widget_set_sensitive (glade_xml_get_widget (self->_priv->xml, "forward"),			    gtk_khtml_can_go_forward (engine));    gtk_widget_set_sensitive (glade_xml_get_widget (self->_priv->xml, "go_forward"),			    gtk_khtml_can_go_forward (engine));    }/* private */voidosb_browser_update_ui_local(OSBBrowser* self, GtkKHTML *engine){  const gchar *title = gtk_khtml_get_title (engine);  gchar* lf;    int max;  int len;  gchar *realtitle;  GtkLabel* label;    if (!title)    title = gtk_khtml_get_location (engine);  if (!title)    title = _("Untitled");    max =  osb_browser_config_get_int (self, INT_TAB_TITLE_LEN);  realtitle = g_strndup (title, max);  realtitle[max] = '\0';  g_strstrip(realtitle);    len = strlen(realtitle);   lf = NULL;  while ( (lf = g_strstr_len (realtitle, len, "\n"))) {    *lf = ' ';  }    label = GTK_LABEL (gtk_notebook_get_tab_label (self->_priv->tab, GTK_WIDGET (engine)));  gtk_label_set_text (label, realtitle);  g_free (realtitle);}static voidon_engine_location(GtkKHTML* engine, gpointer user_data){  OSBBrowser* self = OSB_BROWSER (user_data);  GtkKHTML *active = osb_browser_get_active_engine(self);  if (engine == active) {    osb_browser_set_location (self, gtk_khtml_get_location (engine));  }  osb_browser_update_ui_local(self, engine);  }static voidon_engine_title(GtkKHTML* engine, gpointer user_data){  OSBBrowser* self = OSB_BROWSER (user_data);  GtkKHTML *active = osb_browser_get_active_engine(self);  if (engine == active) {    osb_browser_set_title (self, gtk_khtml_get_title (engine));  }  osb_browser_update_ui_local(self, engine);    }static voidon_engine_status(GtkKHTML* engine, const GtkKHTMLLoadStatus* status, gpointer user_data){    OSBBrowser* self = OSB_BROWSER (user_data);  GtkKHTML *active = osb_browser_get_active_engine(self);  if (active == engine) {    GtkStatusbar *sbar = GTK_STATUSBAR (glade_xml_get_widget (self->_priv->xml, "statusbar"));    GtkProgressBar *pbar = GTK_PROGRESS_BAR (glade_xml_get_widget (self->_priv->xml, "progressbar"));    if (sbar){      const gchar * msg;      guint cid;      OSBBrowserGlobal* g = self->_priv->global;      gchar _msg[400];            g_snprintf(_msg, 400, "Received %d of %d bytes, %d/%d files", status->received, status->size, status->ready, status->files);      osb_browserglobal_set_status(g, _msg);      msg = osb_browserglobal_get_status(g);      cid = gtk_statusbar_get_context_id(sbar, "status-text");            gtk_statusbar_pop(sbar, cid);      gtk_statusbar_push(sbar, cid, msg);    }    if (pbar && status->size > 0 && status->files > 0) {      gdouble fraction = 0.0;      if ( status->filesWithSize < status->files ) {        gdouble ratio = (gdouble) status->filesWithSize / (gdouble) status->files;              fraction += status->received >= status->size ? ratio : ratio * (gdouble) status->received / (gdouble) status->size;        fraction += status->ready >= status->files ? (1.0 - ratio) : (1.0 - ratio) * (gdouble) (status->ready - status->filesWithSize) / (gdouble) (status->files  - status->filesWithSize);      } else {        fraction = (gdouble) status->received / (gdouble) status->size;      }      if ( fraction > 1.0 ) {        fraction = 1.0;      }      gtk_progress_bar_set_fraction (pbar, fraction);    }  }  }static voidon_engine_mouse_over(GtkKHTML* engine, const gchar* link_title, const gchar* link_label, const gchar* link_url, const gchar* link_target, gpointer user_data){  OSBBrowser* self = OSB_BROWSER (user_data);  GtkKHTML *active = osb_browser_get_active_engine(self);    self = self;  if (active == engine) {    GtkStatusbar *sbar = GTK_STATUSBAR (glade_xml_get_widget (self->_priv->xml, "statusbar"));    if (sbar){      const gchar* msg;      guint cid;      cid = gtk_statusbar_get_context_id(sbar, "link-message");            gtk_statusbar_pop(sbar, cid);      msg = link_url;      if (msg && *msg != '\0')	gtk_statusbar_push(sbar, cid, msg);    }      }}static voidon_engine_load_start(GtkKHTML* engine, gpointer user_data){  OSBBrowser* self = OSB_BROWSER (user_data);  GtkKHTML *active = osb_browser_get_active_engine(self);  GtkVBox *pbarBox = GTK_VBOX (glade_xml_get_widget (self->_priv->xml, "progressbar_box"));  GtkProgressBar *pbar = GTK_PROGRESS_BAR (glade_xml_get_widget (self->_priv->xml, "progressbar"));  gtk_progress_bar_set_fraction (pbar, 0.0);  gtk_widget_show(GTK_WIDGET(pbarBox));    self = self;  if (active == engine) {    /* start animating the icon */  }  g_warning("load started");}static voidon_engine_load_stop(GtkKHTML* engine, gpointer user_data){  OSBBrowser* self = OSB_BROWSER (user_data);  GtkKHTML *active = osb_browser_get_active_engine(self);  GtkVBox *pbar =  GTK_VBOX (glade_xml_get_widget (self->_priv->xml, "progressbar_box"));    gtk_widget_hide(GTK_WIDGET(pbar));    self = self;  if (active == engine) {        GtkStatusbar *sbar = GTK_STATUSBAR (glade_xml_get_widget (self->_priv->xml, "statusbar"));    osb_browser_update_ui (self, engine);    if (sbar) {      const gchar * msg;      guint cid;      OSBBrowserGlobal* g = self->_priv->global;      osb_browserglobal_set_status(self->_priv->global, "");      msg = osb_browserglobal_get_status(g);      cid = gtk_statusbar_get_context_id(sbar, "status-text");            gtk_statusbar_pop(sbar, cid);      gtk_statusbar_push(sbar, cid, msg);    }      }  osb_browser_update_ui_local (self,engine);  if (self->_priv->global->renderOnly) {    osb_browser_print_render_tree(self);    /* close the ui. */    gtk_widget_destroy (GTK_WIDGET (self));  }      g_warning("load stopped");  }static GtkKHTML*on_engine_req_new_window(GtkKHTML* engine, const gchar* url, gpointer user_data){  OSBBrowser* new_browser;  OSBBrowser* self = OSB_BROWSER (user_data);  GtkKHTML* new_engine;  const gchar* group;    new_browser = OSB_BROWSER (osb_browser_new (self->_priv->global));  new_engine = osb_browser_get_active_engine (new_browser);  group = gtk_khtml_get_group(engine);  gtk_khtml_set_group(GTK_KHTML(new_engine), group);    gtk_khtml_load_url(new_engine, url);    gtk_widget_show (GTK_WIDGET (new_browser)); /* this should actually be off */      return new_engine;}static voidon_engine_req_js_prompt(GtkKHTML* engine, GtkKHTMLPromptArgs* args, gpointer user_data){  OSBBrowser* self = OSB_BROWSER (user_data);  GtkDialog* dialog;  gchar* title;  gint response;    if (args->type == GTK_KHTML_ALERT){    dialog = GTK_DIALOG(gtk_message_dialog_new (GTK_WINDOW (self),					        GTK_DIALOG_DESTROY_WITH_PARENT,					        GTK_MESSAGE_WARNING,					        GTK_BUTTONS_CLOSE,					        args->msg));        gtk_dialog_set_has_separator(dialog, FALSE);    title = g_strconcat(_("JavaScript "), _("Alert"), NULL);    gtk_window_set_title(GTK_WINDOW(dialog), title);        g_free(title);    gtk_dialog_set_default_response (dialog, GTK_RESPONSE_CLOSE);    response = gtk_dialog_run (dialog);    gtk_widget_destroy (GTK_WIDGET (dialog));    /** setup return parameters */    if (response == GTK_RESPONSE_YES)      args->out_ok_pressed = TRUE;    else      args->out_ok_pressed = FALSE;  } else if (args->type == GTK_KHTML_CONFIRM) {    dialog = GTK_DIALOG(gtk_message_dialog_new (GTK_WINDOW (self),						GTK_DIALOG_DESTROY_WITH_PARENT,						GTK_MESSAGE_WARNING,						GTK_BUTTONS_YES_NO,						args->msg));        gtk_dialog_set_has_separator(dialog, FALSE);        title = g_strconcat(_("JavaScript "), _("Confirm"), NULL);    gtk_window_set_title(GTK_WINDOW(dialog), title);        g_free(title);        gtk_dialog_set_default_response (dialog, GTK_RESPONSE_NO);    response = gtk_dialog_run (dialog);    gtk_widget_destroy (GTK_WIDGET (dialog));    /** setup return parameters */    if (response == GTK_RESPONSE_YES)      args->out_ok_pressed = TRUE;    else      args->out_ok_pressed = FALSE;  } else if (args->type == GTK_KHTML_INPUT) {    /* no input supported atm,  */       dialog = GTK_DIALOG(gtk_message_dialog_new (GTK_WINDOW (self),						GTK_DIALOG_DESTROY_WITH_PARENT,						GTK_MESSAGE_WARNING,						GTK_BUTTONS_YES_NO,						args->msg));        gtk_dialog_set_has_separator(dialog, FALSE);        title = g_strconcat(_("JavaScript "), _("Input"), NULL);    gtk_window_set_title(GTK_WINDOW(dialog), title);        g_free(title);        gtk_dialog_set_default_response (dialog, GTK_RESPONSE_NO);    response = gtk_dialog_run (dialog);    gtk_widget_destroy(GTK_WIDGET(dialog));    /** setup return parameters */    args->out_input = g_strdup("not implemented");    if (response == GTK_RESPONSE_YES)      args->out_ok_pressed = TRUE;    else      args->out_ok_pressed = FALSE;      } else {    args->out_ok_pressed = FALSE;  }}static voidon_engine_req_auth_prompt(GtkKHTML* engine, GtkKHTMLAuthArgs* args, gpointer user_data){  OSBBrowser *self = OSB_BROWSER (user_data);  GtkDialog *dialog;  GtkEntry *entry;  gchar *realmText = NULL;  gint response;  dialog = GTK_DIALOG (glade_xml_get_widget (self->_priv->xml, "authentication"));  realmText = g_strdup_printf ("Authentication required for %s", args->realm);  gtk_label_set_text (GTK_LABEL (glade_xml_get_widget (self->_priv->xml, "auth_label")), realmText);  gtk_entry_set_text (GTK_ENTRY (glade_xml_get_widget (self->_priv->xml, "username")), "");  gtk_entry_set_text (GTK_ENTRY (glade_xml_get_widget (self->_priv->xml, "password")), "");      response = gtk_dialog_run (dialog);  gtk_widget_hide (GTK_WIDGET (dialog));    entry = GTK_ENTRY (glade_xml_get_widget (self->_priv->xml, "username"));  args->out_username = g_strdup (gtk_entry_get_text (entry));  entry = GTK_ENTRY (glade_xml_get_widget (self->_priv->xml, "password"));  args->out_password = g_strdup (gtk_entry_get_text (entry));    switch (response) {   case GTK_RESPONSE_OK:    args->out_ok_pressed = TRUE;    break;  case GTK_RESPONSE_CANCEL:    /* fallthrough */  case GTK_RESPONSE_NONE:    /* fallthrough */  default:    args->out_ok_pressed = FALSE;    break;  }    }/*private*/voidosb_browser_connect_engine_signals(OSBBrowser* self, GtkKHTML *engine){#define CONNECT_WITH_DATA(__o, __s, __h, __d)\  g_signal_connect (__o, __s, G_CALLBACK( __h), __d);    CONNECT_WITH_DATA (engine, "location", on_engine_location, self);  CONNECT_WITH_DATA (engine, "title", on_engine_title, self);  CONNECT_WITH_DATA (engine, "status", on_engine_status, self);  CONNECT_WITH_DATA (engine, "req-js-prompt", on_engine_req_js_prompt, self);  CONNECT_WITH_DATA (engine, "req-auth-prompt", on_engine_req_auth_prompt, self);  CONNECT_WITH_DATA (engine, "req-new-window", on_engine_req_new_window, self);  CONNECT_WITH_DATA (engine, "load-start", on_engine_load_start, self);  CONNECT_WITH_DATA (engine, "load-stop", on_engine_load_stop, self);  CONNECT_WITH_DATA (engine, "mouse-over", on_engine_mouse_over, self);		    #undef CONNECT_WITH_DATA  }voidosb_browser_print_render_tree(OSBBrowser* self) {  GtkKHTML *engine = osb_browser_get_active_engine(self);  const gchar* rt = gtk_khtml_render_tree (engine);  g_printf("%s\n", rt);}gchar *normalize_filename(const gchar* file){  if (file) {    const int len = strlen(file);           if (len > 0 && file[0] == '/') {      /* pad url with necessary "file://" */      gchar * fullName = g_strconcat ("file://", file, NULL);              return fullName;    }    if (((len > 1 && file[1] == '/') || len == 1) &&        (file[0] == '.' || file[0] == '~')) {      switch (file[0]) {      case '.': /* case current directory */      {        gchar * curdir = g_get_current_dir ();               gchar * fullName = g_strconcat ("file://", curdir, file+1, NULL);        g_free (curdir);        return fullName;      }      case '~': /* case home directory */      {        gchar* fullName = g_strconcat ("file://", g_get_home_dir(), file+1, NULL);        return fullName;      }      }    }  }  /* I guess it is a valid URL then. */  return g_strdup(file);}