#include #include #include #include #include #include #include #include #include #include #include #include #include void client_destroy(GtkWidget *, gpointer); WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean, gboolean); WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *, gpointer); void cooperation_setup(void); void changed_download_progress(GObject *, GParamSpec *, gpointer); void changed_load_progress(GObject *, GParamSpec *, gpointer); void changed_favicon(GObject *, GParamSpec *, gpointer); void changed_title(GObject *, GParamSpec *, gpointer); void changed_uri(GObject *, GParamSpec *, gpointer); gboolean crashed_web_view(WebKitWebView *, gpointer); gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *, WebKitPolicyDecisionType, gpointer); gboolean download_handle(WebKitDownload *, gchar *, gpointer); void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer); void downloadmanager_cancel(GtkToolButton *, gpointer); gboolean downloadmanager_delete(GtkWidget *, gpointer); void downloadmanager_setup(void); gchar *ensure_uri_scheme(const gchar *); void grab_environment_configuration(void); void grab_feeds_finished(GObject *, GAsyncResult *, gpointer); void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer); void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer); gboolean key_common(GtkWidget *, GdkEvent *, gpointer); gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer); gboolean key_location(GtkWidget *, GdkEvent *, gpointer); gboolean key_tablabel(GtkWidget *, GdkEvent *, gpointer); gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer); void mainwindow_setup(void); gboolean quit_if_nothing_active(void); gboolean remote_msg(GIOChannel *, GIOCondition, gpointer); void run_user_scripts(WebKitWebView *); void search(gpointer, gint); void show_web_view(WebKitWebView *, gpointer); void trust_user_certs(WebKitWebContext *); struct Client { gchar *external_handler_uri; gchar *hover_uri; gchar *feed_html; GtkWidget *location; GtkWidget *tabicon; GtkWidget *tablabel; GtkWidget *vbox; GtkWidget *web_view; gboolean focus_new_tab; }; struct MainWindow { GtkWidget *win; GtkWidget *notebook; } mw; struct DownloadManager { GtkWidget *scroll; GtkWidget *toolbar; GtkWidget *win; } dm; const gchar *accepted_language[2] = { NULL, NULL }; gint clients = 0, downloads = 0; gboolean cooperative_alone = TRUE; gboolean cooperative_instances = TRUE; int cooperative_pipe_fp = 0; gchar *download_dir = "/var/tmp"; gboolean enable_console_to_stdout = FALSE; gchar *fifo_suffix = "main"; gdouble global_zoom = 1.0; gchar *history_file = NULL; gchar *home_uri = "about:blank"; gboolean initial_wc_setup_done = FALSE; gchar *search_text = NULL; GtkPositionType tab_pos = GTK_POS_TOP; gint tab_width_chars = 20; gchar *user_agent = NULL; void client_destroy(GtkWidget *widget, gpointer data) { struct Client *c = (struct Client *)data; gint idx; g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view), changed_load_progress, c); idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox); if (idx == -1) fprintf(stderr, __NAME__": Tab index was -1, bamboozled\n"); else gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx); free(c); clients--; quit_if_nothing_active(); } WebKitWebView * client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show, gboolean focus_tab) { struct Client *c; WebKitWebContext *wc; gchar *f; GtkWidget *evbox, *tabbox; if (uri != NULL && cooperative_instances && !cooperative_alone) { f = ensure_uri_scheme(uri); write(cooperative_pipe_fp, f, strlen(f)); write(cooperative_pipe_fp, "\n", 1); g_free(f); return NULL; } c = calloc(1, sizeof(struct Client)); if (!c) { fprintf(stderr, __NAME__": fatal: calloc failed\n"); exit(EXIT_FAILURE); } c->focus_new_tab = focus_tab; if (related_wv == NULL) c->web_view = webkit_web_view_new(); else c->web_view = webkit_web_view_new_with_related_view(related_wv); wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view)); webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom); g_signal_connect(G_OBJECT(c->web_view), "notify::favicon", G_CALLBACK(changed_favicon), c); g_signal_connect(G_OBJECT(c->web_view), "notify::title", G_CALLBACK(changed_title), c); g_signal_connect(G_OBJECT(c->web_view), "notify::uri", G_CALLBACK(changed_uri), c); g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress", G_CALLBACK(changed_load_progress), c); g_signal_connect(G_OBJECT(c->web_view), "create", G_CALLBACK(client_new_request), NULL); g_signal_connect(G_OBJECT(c->web_view), "close", G_CALLBACK(client_destroy), c); g_signal_connect(G_OBJECT(c->web_view), "decide-policy", G_CALLBACK(decide_policy), NULL); g_signal_connect(G_OBJECT(c->web_view), "key-press-event", G_CALLBACK(key_web_view), c); g_signal_connect(G_OBJECT(c->web_view), "button-release-event", G_CALLBACK(key_web_view), c); g_signal_connect(G_OBJECT(c->web_view), "scroll-event", G_CALLBACK(key_web_view), c); g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed", G_CALLBACK(hover_web_view), c); g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed", G_CALLBACK(crashed_web_view), c); if (!initial_wc_setup_done) { if (accepted_language[0] != NULL) webkit_web_context_set_preferred_languages(wc, accepted_language); g_signal_connect(G_OBJECT(wc), "download-started", G_CALLBACK(download_handle_start), NULL); trust_user_certs(wc); webkit_web_context_set_favicon_database_directory(wc, NULL); initial_wc_setup_done = TRUE; } if (user_agent != NULL) g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))), "user-agent", user_agent, NULL); if (enable_console_to_stdout) webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE); webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE); c->location = gtk_entry_new(); g_signal_connect(G_OBJECT(c->location), "key-press-event", G_CALLBACK(key_location), c); g_signal_connect(G_OBJECT(c->location), "icon-release", G_CALLBACK(icon_location), c); /* XXX This is a workaround. Setting this to NULL (which is done in * grab_feeds_finished() if no feed has been detected) adds a little * padding left of the text. Not sure why. The point of this call * right here is to have that padding right from the start. This * avoids a graphical artifact. */ gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location), GTK_ENTRY_ICON_PRIMARY, NULL); c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0); c->tabicon = gtk_image_new_from_icon_name("text-html", GTK_ICON_SIZE_SMALL_TOOLBAR); c->tablabel = gtk_label_new(__NAME__); gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END); gtk_label_set_width_chars(GTK_LABEL(c->tablabel), tab_width_chars); gtk_widget_set_has_tooltip(c->tablabel, TRUE); /* XXX I don't own a HiDPI screen, so I don't know if scale_factor * does the right thing. */ tabbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5 * gtk_widget_get_scale_factor(mw.win)); gtk_box_pack_start(GTK_BOX(tabbox), c->tabicon, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(tabbox), c->tablabel, TRUE, TRUE, 0); evbox = gtk_event_box_new(); gtk_container_add(GTK_CONTAINER(evbox), tabbox); g_signal_connect(G_OBJECT(evbox), "button-release-event", G_CALLBACK(key_tablabel), c); gtk_widget_add_events(evbox, GDK_SCROLL_MASK); g_signal_connect(G_OBJECT(evbox), "scroll-event", G_CALLBACK(key_tablabel), c); /* This only shows the event box and the label inside, nothing else. * Needed because the evbox/label is "internal" to the notebook and * not part of the normal "widget tree" (IIUC). */ gtk_widget_show_all(evbox); gtk_notebook_insert_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox, gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)) + 1); gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE); if (show) show_web_view(NULL, c); else g_signal_connect(G_OBJECT(c->web_view), "ready-to-show", G_CALLBACK(show_web_view), c); if (uri != NULL) { f = ensure_uri_scheme(uri); webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f); g_free(f); } clients++; return WEBKIT_WEB_VIEW(c->web_view); } WebKitWebView * client_new_request(WebKitWebView *web_view, WebKitNavigationAction *navigation_action, gpointer data) { return client_new(NULL, web_view, FALSE, FALSE); } void cooperation_setup(void) { GIOChannel *towatch; gchar *fifofilename, *fifopath; fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix); fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL); g_free(fifofilename); if (!g_file_test(fifopath, G_FILE_TEST_EXISTS)) mkfifo(fifopath, 0600); cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK); if (!cooperative_pipe_fp) { fprintf(stderr, __NAME__": Can't open FIFO at all.\n"); } else { if (write(cooperative_pipe_fp, "", 0) == -1) { /* Could not do an empty write to the FIFO which means there's * no one listening. */ close(cooperative_pipe_fp); towatch = g_io_channel_new_file(fifopath, "r+", NULL); g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL); } else cooperative_alone = FALSE; } g_free(fifopath); } void changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data) { WebKitDownload *download = WEBKIT_DOWNLOAD(obj); WebKitURIResponse *resp; GtkToolItem *tb = GTK_TOOL_ITEM(data); gdouble p, size_mb; const gchar *uri; gchar *t, *filename, *base; p = webkit_download_get_estimated_progress(download); p = p > 1 ? 1 : p; p = p < 0 ? 0 : p; p *= 100; resp = webkit_download_get_response(download); size_mb = webkit_uri_response_get_content_length(resp) / 1e6; uri = webkit_download_get_destination(download); filename = g_filename_from_uri(uri, NULL, NULL); if (filename == NULL) { /* This really should not happen because WebKit uses that URI to * write to a file... */ fprintf(stderr, __NAME__": Could not construct file name from URI!\n"); t = g_strdup_printf("%s (%.0f%% of %.1f MB)", webkit_uri_response_get_uri(resp), p, size_mb); } else { base = g_path_get_basename(filename); t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb); g_free(filename); g_free(base); } gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t); g_free(t); } void changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data) { struct Client *c = (struct Client *)data; gdouble p; gchar *grab_feeds = "a = document.querySelectorAll('" " html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"]," " html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]" "');" "if (a.length == 0)" " null;" "else" "{" " out = '';" " for (i = 0; i < a.length; i++)" " {" " url = encodeURIComponent(a[i].href);" " if ('title' in a[i] && a[i].title != '')" " title = encodeURIComponent(a[i].title);" " else" " title = url;" " out += '
  • ' + title + '
    • ';" " }" " out;" "}"; p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view)); if (p == 1) { p = 0; /* The page has loaded fully. We now run the short JavaScript * snippet above that operates on the DOM. It tries to grab all * occurences of , i.e. RSS/Atom feed * references. */ webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view), grab_feeds, NULL, grab_feeds_finished, c); run_user_scripts(WEBKIT_WEB_VIEW(c->web_view)); } gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p); } void changed_favicon(GObject *obj, GParamSpec *pspec, gpointer data) { struct Client *c = (struct Client *)data; cairo_surface_t *f; int w, h, w_should, h_should; GdkPixbuf *pb, *pb_scaled; f = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(c->web_view)); if (f == NULL) { gtk_image_set_from_icon_name(GTK_IMAGE(c->tabicon), "text-html", GTK_ICON_SIZE_SMALL_TOOLBAR); } else { w = cairo_image_surface_get_width(f); h = cairo_image_surface_get_height(f); pb = gdk_pixbuf_get_from_surface(f, 0, 0, w, h); if (pb != NULL) { w_should = 16 * gtk_widget_get_scale_factor(c->tabicon); h_should = 16 * gtk_widget_get_scale_factor(c->tabicon); pb_scaled = gdk_pixbuf_scale_simple(pb, w_should, h_should, GDK_INTERP_BILINEAR); gtk_image_set_from_pixbuf(GTK_IMAGE(c->tabicon), pb_scaled); g_object_unref(pb_scaled); g_object_unref(pb); } } } void changed_title(GObject *obj, GParamSpec *pspec, gpointer data) { const gchar *t, *u; struct Client *c = (struct Client *)data; u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)); t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view)); u = u == NULL ? __NAME__ : u; u = u[0] == 0 ? __NAME__ : u; t = t == NULL ? u : t; t = t[0] == 0 ? u : t; gtk_label_set_text(GTK_LABEL(c->tablabel), t); gtk_widget_set_tooltip_text(c->tablabel, t); } void changed_uri(GObject *obj, GParamSpec *pspec, gpointer data) { const gchar *t; struct Client *c = (struct Client *)data; FILE *fp; t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)); /* When a web process crashes, we get a "notify::uri" signal, but we * can no longer read a meaningful URI. It's just an empty string * now. Not updating the location bar in this scenario is important, * because we would override the "WEB PROCESS CRASHED" message. */ if (t != NULL && strlen(t) > 0) { gtk_entry_set_text(GTK_ENTRY(c->location), t); if (history_file != NULL) { fp = fopen(history_file, "a"); if (fp != NULL) { fprintf(fp, "%s\n", t); fclose(fp); } else perror(__NAME__": Error opening history file"); } } } gboolean crashed_web_view(WebKitWebView *web_view, gpointer data) { gchar *t; struct Client *c = (struct Client *)data; t = g_strdup_printf("WEB PROCESS CRASHED: %s", webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view))); gtk_entry_set_text(GTK_ENTRY(c->location), t); g_free(t); return TRUE; } gboolean decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision, WebKitPolicyDecisionType type, gpointer data) { WebKitResponsePolicyDecision *r; switch (type) { case WEBKIT_POLICY_DECISION_TYPE_RESPONSE: r = WEBKIT_RESPONSE_POLICY_DECISION(decision); if (!webkit_response_policy_decision_is_mime_type_supported(r)) webkit_policy_decision_download(decision); else webkit_policy_decision_use(decision); break; default: /* Use whatever default there is. */ return FALSE; } return TRUE; } void download_handle_finished(WebKitDownload *download, gpointer data) { downloads--; } void download_handle_start(WebKitWebView *web_view, WebKitDownload *download, gpointer data) { g_signal_connect(G_OBJECT(download), "decide-destination", G_CALLBACK(download_handle), data); } gboolean download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data) { gchar *sug_clean, *path, *path2 = NULL, *uri; GtkToolItem *tb; int suffix = 1; size_t i; sug_clean = g_strdup(suggested_filename); for (i = 0; i < strlen(sug_clean); i++) if (sug_clean[i] == G_DIR_SEPARATOR) sug_clean[i] = '_'; path = g_build_filename(download_dir, sug_clean, NULL); path2 = g_strdup(path); while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000) { g_free(path2); path2 = g_strdup_printf("%s.%d", path, suffix); suffix++; } if (suffix == 1000) { fprintf(stderr, __NAME__": Suffix reached limit for download.\n"); webkit_download_cancel(download); } else { uri = g_filename_to_uri(path2, NULL, NULL); webkit_download_set_destination(download, uri); g_free(uri); tb = gtk_tool_button_new(NULL, NULL); gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete"); gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean); gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0); gtk_widget_show_all(dm.win); g_signal_connect(G_OBJECT(download), "notify::estimated-progress", G_CALLBACK(changed_download_progress), tb); downloads++; g_signal_connect(G_OBJECT(download), "finished", G_CALLBACK(download_handle_finished), NULL); g_object_ref(download); g_signal_connect(G_OBJECT(tb), "clicked", G_CALLBACK(downloadmanager_cancel), download); } g_free(sug_clean); g_free(path); g_free(path2); /* Propagate -- to whom it may concern. */ return FALSE; } void downloadmanager_cancel(GtkToolButton *tb, gpointer data) { WebKitDownload *download = WEBKIT_DOWNLOAD(data); webkit_download_cancel(download); g_object_unref(download); gtk_widget_destroy(GTK_WIDGET(tb)); } gboolean downloadmanager_delete(GtkWidget *obj, gpointer data) { if (!quit_if_nothing_active()) gtk_widget_hide(dm.win); return TRUE; } void downloadmanager_setup(void) { dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG); gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250); gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager"); g_signal_connect(G_OBJECT(dm.win), "delete-event", G_CALLBACK(downloadmanager_delete), NULL); g_signal_connect(G_OBJECT(dm.win), "key-press-event", G_CALLBACK(key_downloadmanager), NULL); dm.toolbar = gtk_toolbar_new(); gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar), GTK_ORIENTATION_VERTICAL); gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ); gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE); dm.scroll = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar); gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll); } gchar * ensure_uri_scheme(const gchar *t) { gchar *f, *fabs; f = g_ascii_strdown(t, -1); if (!g_str_has_prefix(f, "http:") && !g_str_has_prefix(f, "https:") && !g_str_has_prefix(f, "file:") && !g_str_has_prefix(f, "about:") && !g_str_has_prefix(f, "data:")) { g_free(f); fabs = realpath(t, NULL); if (fabs != NULL) { f = g_strdup_printf("file://%s", fabs); free(fabs); } else f = g_strdup_printf("http://%s", t); return f; } else return g_strdup(t); } void grab_environment_configuration(void) { const gchar *e; e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE"); if (e != NULL) accepted_language[0] = g_strdup(e); e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR"); if (e != NULL) download_dir = g_strdup(e); e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT"); if (e != NULL) enable_console_to_stdout = TRUE; e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX"); if (e != NULL) fifo_suffix = g_strdup(e); e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE"); if (e != NULL) history_file = g_strdup(e); e = g_getenv(__NAME_UPPERCASE__"_HOME_URI"); if (e != NULL) home_uri = g_strdup(e); e = g_getenv(__NAME_UPPERCASE__"_TAB_POS"); if (e != NULL) { if (strcmp(e, "top") == 0) tab_pos = GTK_POS_TOP; if (strcmp(e, "right") == 0) tab_pos = GTK_POS_RIGHT; if (strcmp(e, "bottom") == 0) tab_pos = GTK_POS_BOTTOM; if (strcmp(e, "left") == 0) tab_pos = GTK_POS_LEFT; } e = g_getenv(__NAME_UPPERCASE__"_TAB_WIDTH_CHARS"); if (e != NULL) tab_width_chars = atoi(e); e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT"); if (e != NULL) user_agent = g_strdup(e); e = g_getenv(__NAME_UPPERCASE__"_ZOOM"); if (e != NULL) global_zoom = atof(e); } void grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data) { struct Client *c = (struct Client *)data; WebKitJavascriptResult *js_result; JSCValue *value; JSCException *exception; GError *err = NULL; gchar *str_value; g_free(c->feed_html); c->feed_html = NULL; /* This was taken almost verbatim from the example in WebKit's * documentation: * * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */ js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object), result, &err); if (!js_result) { fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message); g_error_free(err); return; } value = webkit_javascript_result_get_js_value(js_result); if (jsc_value_is_string(value)) { str_value = jsc_value_to_string(value); exception = jsc_context_get_exception(jsc_value_get_context(value)); if (exception != NULL) { fprintf(stderr, __NAME__": Error running javascript: %s\n", jsc_exception_get_message(exception)); } else c->feed_html = str_value; gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location), GTK_ENTRY_ICON_PRIMARY, "application-rss+xml-symbolic"); gtk_entry_set_icon_activatable(GTK_ENTRY(c->location), GTK_ENTRY_ICON_PRIMARY, TRUE); } else { gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location), GTK_ENTRY_ICON_PRIMARY, NULL); } webkit_javascript_result_unref(js_result); } void hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers, gpointer data) { struct Client *c = (struct Client *)data; if (!gtk_widget_is_focus(c->location)) { if (webkit_hit_test_result_context_is_link(ht)) { gtk_entry_set_text(GTK_ENTRY(c->location), webkit_hit_test_result_get_link_uri(ht)); if (c->hover_uri != NULL) g_free(c->hover_uri); c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht)); } else { gtk_entry_set_text(GTK_ENTRY(c->location), webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view))); if (c->hover_uri != NULL) g_free(c->hover_uri); c->hover_uri = NULL; } } } void icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event, gpointer data) { struct Client *c = (struct Client *)data; gchar *d; gchar *data_template = "data:text/html," "" "" " " " " " Feeds" " " " " "

    Feeds found on this page:

    " "
      " " %s" "
    " " " ""; if (c->feed_html != NULL) { /* What we're actually trying to do is show a simple HTML page * that lists all the feeds on the current page. The function * webkit_web_view_load_html() looks like the proper way to do * that. Sad thing is, it doesn't create a history entry, but * instead simply replaces the content of the current page. This * is not what we want. * * RFC 2397 [0] defines the data URI scheme [1]. We abuse this * mechanism to show my custom HTML snippet *and* create a * history entry. * * [0]: https://tools.ietf.org/html/rfc2397 * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */ d = g_strdup_printf(data_template, c->feed_html); webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d); g_free(d); } } gboolean key_common(GtkWidget *widget, GdkEvent *event, gpointer data) { struct Client *c = (struct Client *)data; WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view)); gchar *f; if (event->type == GDK_KEY_PRESS) { if (((GdkEventKey *)event)->state & GDK_MOD1_MASK) { switch (((GdkEventKey *)event)->keyval) { case GDK_KEY_q: /* close window (left hand) */ client_destroy(NULL, c); return TRUE; case GDK_KEY_w: /* home (left hand) */ f = ensure_uri_scheme(home_uri); webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f); g_free(f); return TRUE; case GDK_KEY_e: /* new tab (left hand) */ f = ensure_uri_scheme(home_uri); client_new(f, NULL, TRUE, TRUE); g_free(f); return TRUE; case GDK_KEY_r: /* reload (left hand) */ webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW( c->web_view)); return TRUE; case GDK_KEY_d: /* download manager (left hand) */ gtk_widget_show_all(dm.win); return TRUE; case GDK_KEY_2: /* search forward (left hand) */ case GDK_KEY_n: /* search forward (maybe both hands) */ search(c, 1); return TRUE; case GDK_KEY_3: /* search backward (left hand) */ search(c, -1); return TRUE; case GDK_KEY_l: /* location (BOTH hands) */ gtk_widget_grab_focus(c->location); return TRUE; case GDK_KEY_k: /* initiate search (BOTH hands) */ gtk_widget_grab_focus(c->location); gtk_entry_set_text(GTK_ENTRY(c->location), ":/"); gtk_editable_set_position(GTK_EDITABLE(c->location), -1); return TRUE; case GDK_KEY_c: /* reload trusted certs (left hand) */ trust_user_certs(wc); return TRUE; case GDK_KEY_a: /* go one tab to the left (left hand) */ gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook)); return TRUE; case GDK_KEY_s: /* go one tab to the right (left hand) */ gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook)); return TRUE; } } /* navigate backward (left hand) */ else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2) { webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view)); return TRUE; } /* navigate forward (left hand) */ else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3) { webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view)); return TRUE; } } return FALSE; } gboolean key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data) { if (event->type == GDK_KEY_PRESS) { if (((GdkEventKey *)event)->state & GDK_MOD1_MASK) { switch (((GdkEventKey *)event)->keyval) { case GDK_KEY_d: /* close window (left hand) */ case GDK_KEY_q: downloadmanager_delete(dm.win, NULL); return TRUE; } } } return FALSE; } gboolean key_location(GtkWidget *widget, GdkEvent *event, gpointer data) { struct Client *c = (struct Client *)data; const gchar *t; gchar *f; if (key_common(widget, event, data)) return TRUE; if (event->type == GDK_KEY_PRESS) { switch (((GdkEventKey *)event)->keyval) { case GDK_KEY_KP_Enter: case GDK_KEY_Return: gtk_widget_grab_focus(c->web_view); t = gtk_entry_get_text(GTK_ENTRY(c->location)); if (t != NULL && t[0] == ':' && t[1] == '/') { if (search_text != NULL) g_free(search_text); search_text = g_strdup(t + 2); search(c, 0); } else { f = ensure_uri_scheme(t); webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f); g_free(f); } return TRUE; case GDK_KEY_Escape: t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)); gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t)); return TRUE; } } return FALSE; } gboolean key_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data) { GdkScrollDirection direction; if (event->type == GDK_BUTTON_RELEASE) { switch (((GdkEventButton *)event)->button) { case 2: client_destroy(NULL, data); return TRUE; } } else if (event->type == GDK_SCROLL) { gdk_event_get_scroll_direction(event, &direction); switch (direction) { case GDK_SCROLL_UP: gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook)); break; case GDK_SCROLL_DOWN: gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook)); break; default: break; } return TRUE; } return FALSE; } gboolean key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data) { struct Client *c = (struct Client *)data; gdouble dx, dy; gfloat z; if (key_common(widget, event, data)) return TRUE; if (event->type == GDK_KEY_PRESS) { if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape) { webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view)); gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0); } } else if (event->type == GDK_BUTTON_RELEASE) { switch (((GdkEventButton *)event)->button) { case 2: if (c->hover_uri != NULL) { client_new(c->hover_uri, NULL, TRUE, FALSE); return TRUE; } break; case 8: webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view)); return TRUE; case 9: webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view)); return TRUE; } } else if (event->type == GDK_SCROLL) { if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK || ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK) { gdk_event_get_scroll_deltas(event, &dx, &dy); z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view)); z += -dy * 0.1; z = dx != 0 ? global_zoom : z; webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z); return TRUE; } } return FALSE; } void mainwindow_setup(void) { mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600); g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL); gtk_window_set_title(GTK_WINDOW(mw.win), __NAME__); mw.notebook = gtk_notebook_new(); gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE); gtk_notebook_set_tab_pos(GTK_NOTEBOOK(mw.notebook), tab_pos); gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook); } gboolean quit_if_nothing_active(void) { if (clients == 0) { if (downloads == 0) { gtk_main_quit(); return TRUE; } else gtk_widget_show_all(dm.win); } return FALSE; } gboolean remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data) { gchar *uri = NULL; g_io_channel_read_line(channel, &uri, NULL, NULL, NULL); if (uri) { g_strstrip(uri); client_new(uri, NULL, TRUE, TRUE); g_free(uri); } return TRUE; } void run_user_scripts(WebKitWebView *web_view) { gchar *base = NULL, *path = NULL, *contents = NULL; const gchar *entry = NULL; GDir *scriptdir = NULL; base = g_build_filename(g_get_user_config_dir(), __NAME__, "user-scripts", NULL); scriptdir = g_dir_open(base, 0, NULL); if (scriptdir != NULL) { while ((entry = g_dir_read_name(scriptdir)) != NULL) { path = g_build_filename(base, entry, NULL); if (g_str_has_suffix(path, ".js")) { if (g_file_get_contents(path, &contents, NULL, NULL)) { webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL); g_free(contents); } } g_free(path); } g_dir_close(scriptdir); } g_free(base); } void search(gpointer data, gint direction) { struct Client *c = (struct Client *)data; WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view); WebKitFindController *fc = webkit_web_view_get_find_controller(web_view); if (search_text == NULL) return; switch (direction) { case 0: webkit_find_controller_search(fc, search_text, WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE | WEBKIT_FIND_OPTIONS_WRAP_AROUND, G_MAXUINT); break; case 1: webkit_find_controller_search_next(fc); break; case -1: webkit_find_controller_search_previous(fc); break; } } void show_web_view(WebKitWebView *web_view, gpointer data) { struct Client *c = (struct Client *)data; gint idx; (void)web_view; gtk_widget_show_all(mw.win); if (c->focus_new_tab) { idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox); if (idx != -1) gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx); gtk_widget_grab_focus(c->web_view); } } void trust_user_certs(WebKitWebContext *wc) { GTlsCertificate *cert; const gchar *basedir, *file, *absfile; GDir *dir; basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL); dir = g_dir_open(basedir, 0, NULL); if (dir != NULL) { file = g_dir_read_name(dir); while (file != NULL) { absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", file, NULL); cert = g_tls_certificate_new_from_file(absfile, NULL); if (cert == NULL) fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file); else webkit_web_context_allow_tls_certificate_for_host(wc, cert, file); file = g_dir_read_name(dir); } g_dir_close(dir); } } int main(int argc, char **argv) { gchar *c; int opt, i; gtk_init(&argc, &argv); webkit_web_context_set_process_model(webkit_web_context_get_default(), WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES); grab_environment_configuration(); while ((opt = getopt(argc, argv, "C")) != -1) { switch (opt) { case 'C': cooperative_instances = FALSE; break; default: fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n"); exit(EXIT_FAILURE); } } if (cooperative_instances) cooperation_setup(); downloadmanager_setup(); mainwindow_setup(); if (!cooperative_instances || cooperative_alone) { c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions", NULL); webkit_web_context_set_web_extensions_directory( webkit_web_context_get_default(), c ); } if (optind >= argc) client_new(home_uri, NULL, TRUE, TRUE); else { for (i = optind; i < argc; i++) client_new(argv[i], NULL, TRUE, TRUE); } if (!cooperative_instances || cooperative_alone) gtk_main(); exit(EXIT_SUCCESS); }