# HG changeset patch
# User Christophe Lincoln <pankso@slitaz.org>
# Date 1489620186 -3600
# Node ID 51b5c8aad18c13e1809ea5fdb2559bd38cdfe20f
# Parent  9b7c0f2bdaff84406a575a1fc7e42775d029bc93
add: tazweb-ng.c New tazweb with tab structure and usable. Still current Tazweb functions/googies to adapt

diff -r 9b7c0f2bdaff -r 51b5c8aad18c src/tazweb-ng.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/tazweb-ng.c	Thu Mar 16 00:23:06 2017 +0100
@@ -0,0 +1,597 @@
+/*
+ * TazWeb is a radically simple web browser providing a single window
+ * with a single toolbar with buttons, an URL entry and search as well
+ * as a contextual menu, but no menu bar or tabs. Commented line code
+ * starts with // and comments are between * *
+ *
+ * NEXT GENERATION
+ *  This is TazWeb NG (2.0) with tabs and cookies support :-)
+ *
+ * Copyright (C) 2011-2017 SliTaz GNU/Linux - BSD License
+ * See AUTHORS and LICENSE for detailed information
+ *
+ */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#define GETTEXT_PACKAGE "tazweb"
+
+#include <stdlib.h>
+#include <sys/queue.h>
+#include <gtk/gtk.h>
+#include <webkit/webkit.h>
+#include <libsoup/soup.h> // for cookies
+
+#define HOME		g_get_home_dir()
+#define CONFIG		g_strdup_printf("%s/.config/tazweb", HOME)
+#define BMTXT		g_strdup_printf("%s/bookmarks.txt", CONFIG)
+#define BMURL		g_strdup_printf("%s/bookmarks.html", CONFIG)
+#define COOKIES		g_strdup_printf("%s/cookies.txt", CONFIG)
+#define WEBHOME		"file:///usr/share/webhome/index.html"
+#define SEARCH		"http://duckduckgo.com/?q=%s&t=slitaz"
+
+static gchar *useragent = "TazWeb (X11; SliTaz GNU/Linux; U; en_US) AppleWebKit/535.22+";
+static GtkWidget *tazweb_window;
+static GtkNotebook *notebook;
+static gboolean notoolbar;
+static gboolean kiosk;
+
+const gchar* uri;
+
+static SoupSession		*session;
+static SoupCookieJar	*cookiejar;
+
+/* Tab structure */
+struct tab {
+	TAILQ_ENTRY(tab) entry;
+	GtkWidget		*vbox;
+	GtkWidget		*label;
+	GtkWidget		*urientry;
+	GtkWidget		*search_entry;
+	GtkWidget		*toolbar;
+	GtkWidget		*browser;
+	GtkToolItem		*backward;
+	GtkToolItem		*forward;
+	GtkToolItem		*home;
+	GtkToolItem		*bookmarks;
+	GtkToolItem		*ttb;
+	GtkWidget		*spinner;
+	guint			tab_id;
+	int				focus_wv;
+	WebKitWebView	*webview;
+};
+TAILQ_HEAD(tab_list, tab);
+struct tab_list tabs;
+
+/* Protocols */
+void create_new_tab(char *, int);
+void close_tab(struct tab *);
+
+/* Create an icon */
+static GdkPixbuf*
+create_pixbuf(const gchar* image)
+{
+	GdkPixbuf *pixbuf;
+	pixbuf = gdk_pixbuf_new_from_file(image, NULL);
+	return pixbuf;
+}
+
+/* Can be: http://hg.slitaz.org or hg.slitaz.org */
+static void
+check_requested_uri()
+{
+	uri = g_strrstr(uri, "://") ? g_strdup(uri)
+		: g_strdup_printf("http://%s", uri);
+}
+
+int destroy_cb()
+{
+	gtk_main_quit();
+	return (1);
+}
+
+int focus()
+{
+	return (0);
+}
+
+static void
+uri_entry_cb(GtkWidget* entry, struct tab *ttb)
+{
+	uri = gtk_entry_get_text(GTK_ENTRY(entry));
+	g_assert(uri);
+	check_requested_uri();
+	webkit_web_view_load_uri(ttb->webview, uri);
+	gtk_widget_grab_focus(GTK_WIDGET(ttb->webview));
+}
+
+static void
+notify_load_status_cb(WebKitWebView* webview, GParamSpec* pspec,
+	struct tab *ttb)
+{
+	GString 		*string;
+	WebKitWebFrame 	*frame;
+	const gchar		*uri, *title;
+	gdouble 		progress;
+
+	switch (webkit_web_view_get_load_status(webview)) {
+
+	/* Webkit is loading */
+	case WEBKIT_LOAD_COMMITTED:
+		frame = webkit_web_view_get_main_frame(webview);
+		uri = webkit_web_frame_get_uri(frame);
+
+		string = g_string_new("Loading");
+		progress = webkit_web_view_get_progress(webview) * 100;
+		if (progress < 100)
+			g_string_append_printf(string, " (%f%%)", progress);
+
+		title = g_string_free(string, FALSE);
+		gtk_label_set_text(GTK_LABEL(ttb->label), title);
+
+		/* Start spinner */
+		gtk_widget_show(ttb->spinner);
+		gtk_spinner_start(GTK_SPINNER(ttb->spinner));
+
+		/* Update URL entry */
+		if (uri)
+			gtk_entry_set_text(GTK_ENTRY(ttb->urientry), uri);
+
+		/* Focus */
+		ttb->focus_wv = 1;
+		if (gtk_notebook_get_current_page(notebook) == ttb->tab_id)
+			gtk_widget_grab_focus(GTK_WIDGET(ttb->webview));
+	break;
+
+	/* First layout with actual visible content */
+	case WEBKIT_LOAD_FIRST_VISUALLY_NON_EMPTY_LAYOUT:
+		title = webkit_web_view_get_title(webview);
+		gtk_label_set_text(GTK_LABEL(ttb->label), title);
+	break;
+
+	/* URL was loaded */
+	case WEBKIT_LOAD_FINISHED:
+		title = webkit_web_view_get_title(webview);
+		gtk_label_set_text(GTK_LABEL(ttb->label), title);
+		gtk_spinner_stop(GTK_SPINNER(ttb->spinner));
+		gtk_widget_hide(ttb->spinner);
+	break;
+
+		/* URL fail to load */
+	case WEBKIT_LOAD_FAILED:
+		gtk_label_set_text(GTK_LABEL(ttb->label), "Failed");
+		gtk_spinner_stop(GTK_SPINNER(ttb->spinner));
+		gtk_widget_hide(ttb->spinner);
+	break;
+
+	}
+
+	gtk_widget_set_sensitive(GTK_WIDGET(ttb->backward),
+		webkit_web_view_can_go_back(webview));
+
+	gtk_widget_set_sensitive(GTK_WIDGET(ttb->forward),
+		webkit_web_view_can_go_forward(webview));
+}
+
+/* Search entry and icon callback function */
+static void
+search_entry_cb(GtkWidget* search_entry, struct tab *ttb)
+{
+	uri = g_strdup_printf(SEARCH, gtk_entry_get_text(GTK_ENTRY(search_entry)));
+	g_assert(uri);
+	webkit_web_view_load_uri(ttb->webview, uri);
+}
+
+static void
+search_icon_cb(GtkWidget *search_entry, GtkEntryIconPosition pos,
+	GdkEvent *event, struct tab *ttb)
+{
+	search_entry_cb(search_entry, ttb);
+}
+
+/* Navigation button functions */
+static void
+go_back_cb(GtkWidget *widget, struct tab *ttb)
+{
+	webkit_web_view_go_back(ttb->webview);
+}
+
+static void
+go_forward_cb(GtkWidget *widget, struct tab *ttb)
+{
+	webkit_web_view_go_forward(ttb->webview);
+}
+
+static void
+go_home_cb(GtkWidget* w, struct tab *ttb)
+{
+	uri = WEBHOME;
+	g_assert(uri);
+	webkit_web_view_load_uri(ttb->webview, uri);
+}
+
+static void
+go_bookmarks_cb(GtkWidget* w, struct tab *ttb)
+{
+	system("/usr/lib/tazweb/helper.sh html_bookmarks");
+	uri = g_strdup_printf("file://%s", BMURL);
+	g_assert(uri);
+	webkit_web_view_load_uri(ttb->webview, uri);
+}
+
+/* Setup session cookies */
+void
+cookies_setup(void)
+{
+	if (cookiejar) {
+		soup_session_remove_feature(session,
+			(SoupSessionFeature*)cookiejar);
+		g_object_unref(cookiejar);
+		cookiejar = NULL;
+	}
+
+	cookiejar = soup_cookie_jar_text_new(COOKIES, 0);
+	soup_session_add_feature(session, (SoupSessionFeature*)cookiejar);
+}
+
+static void
+cookies_view_cb(GtkWidget* widget, WebKitWebView* webview)
+{
+	system("/usr/lib/tazweb/helper.sh html_cookies");
+	uri = g_strdup_printf("file://%s/cookies.html", CONFIG);
+	g_assert(uri);
+	webkit_web_view_load_uri(webview, uri);
+}
+
+static void
+cookies_clean_cb(GtkWidget* widget, WebKitWebView* webview)
+{
+	system("/usr/lib/tazweb/helper.sh clean_cookies");
+}
+
+/* Add items to WebKit contextual menu */
+static void
+populate_menu_cb(WebKitWebView *ttb, GtkMenu *menu, gpointer data)
+{
+	GtkWidget* item;
+
+	/* Separator */
+	item = gtk_separator_menu_item_new();
+	gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+
+	//if (! kiosk) {
+		///* Add a bookmark */
+		//item = gtk_image_menu_item_new_with_label(_("Add a bookmark"));
+		//gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
+		//gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU));
+		//gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+		//g_signal_connect(item, "activate", G_CALLBACK(add_bookmark_cb), webview);
+	//}
+
+	///* Printing */
+	//item = gtk_image_menu_item_new_with_label(_("Print this page"));
+	//gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
+	//gtk_image_new_from_stock(GTK_STOCK_PRINT, GTK_ICON_SIZE_MENU));
+	//gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+	//g_signal_connect(item, "activate", G_CALLBACK(print_page_cb), webview);
+
+	///* View source mode */
+	//item = gtk_image_menu_item_new_with_label(_("View source mode"));
+	//gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
+	//gtk_image_new_from_stock(GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
+	//gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+	//g_signal_connect(item, "activate", G_CALLBACK(view_source_cb), webview);
+
+	///* Separator */
+	//item = gtk_separator_menu_item_new();
+	//gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+
+	///* TazWeb documentation */
+	//item = gtk_image_menu_item_new_with_label(_("TazWeb manual"));
+	//gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
+	//gtk_image_new_from_stock(GTK_STOCK_HELP, GTK_ICON_SIZE_MENU));
+	//gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+	//g_signal_connect(item, "activate", G_CALLBACK(tazweb_doc_cb), webview);
+
+	/* Quit TazWeb */
+	item = gtk_image_menu_item_new_with_label(_("Quit TazWeb"));
+	gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
+	gtk_image_new_from_stock(GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU));
+	gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+	g_signal_connect(item, "activate", G_CALLBACK(destroy_cb), NULL);
+
+	gtk_widget_show_all(GTK_WIDGET(menu));
+}
+
+/* The browser */
+GtkWidget *
+create_browser(struct tab *ttb)
+{
+	GtkWidget *window;
+	WebKitWebSettings *settings;
+	
+	window = gtk_scrolled_window_new(NULL, NULL);
+	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(window),
+		GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+
+	ttb->webview = WEBKIT_WEB_VIEW(webkit_web_view_new());
+	gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(ttb->webview));
+	
+	/* User agent */
+	settings = webkit_web_view_get_settings (ttb->webview);
+	g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL);
+
+	g_signal_connect(ttb->webview, "notify::load-status",
+		G_CALLBACK(notify_load_status_cb), ttb);
+
+	/* Connect WebKit contextual menu items */
+	g_object_connect(G_OBJECT(ttb->webview), "signal::populate-popup",
+		G_CALLBACK(populate_menu_cb), ttb, NULL);
+
+	return (window);
+}
+
+/* Create a new tab callback */
+static void
+create_new_tab_cb()
+{
+	create_new_tab(WEBHOME, +1);
+}
+
+/* Toolbar with URL and search entry */
+GtkWidget *
+create_toolbar(struct tab *ttb)
+{
+	GtkWidget		*toolbar = gtk_toolbar_new();
+	GtkToolItem		*item;
+
+	gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar),
+		GTK_ORIENTATION_HORIZONTAL);
+	gtk_toolbar_set_style(GTK_TOOLBAR(toolbar),
+		GTK_TOOLBAR_BOTH_HORIZ);
+	
+	/* New tab button */
+	item = gtk_tool_button_new_from_stock(GTK_STOCK_ADD);
+	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
+	g_signal_connect(G_OBJECT(item), "clicked",
+		G_CALLBACK(create_new_tab_cb), FALSE);
+
+	/* The backward button */
+	ttb->backward = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
+	gtk_widget_set_sensitive(GTK_WIDGET(ttb->backward), FALSE);
+	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), ttb->backward, -1);
+	g_signal_connect(G_OBJECT(ttb->backward), "clicked",
+		G_CALLBACK(go_back_cb), ttb);
+
+	/* The forward button */
+	ttb->forward = gtk_tool_button_new_from_stock(GTK_STOCK_GO_FORWARD);
+	gtk_widget_set_sensitive(GTK_WIDGET(ttb->forward), FALSE);
+	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), ttb->forward, -1);
+	g_signal_connect(G_OBJECT(ttb->forward), "clicked",
+		G_CALLBACK(go_forward_cb), ttb);
+
+	/* URL entry */
+	item = gtk_tool_item_new();
+	gtk_tool_item_set_expand(item, TRUE);
+	//gtk_widget_set_size_request(urientry, 0, 20);
+	ttb->urientry = gtk_entry_new();
+	gtk_container_add(GTK_CONTAINER(item), ttb->urientry);
+	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
+	g_signal_connect(G_OBJECT(ttb->urientry), "activate",
+		G_CALLBACK(uri_entry_cb), ttb);
+
+	/* Separator --> 4-6px */
+	item = gtk_separator_tool_item_new();
+	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
+
+	/* Search entry */
+	item = gtk_tool_item_new();
+	gtk_tool_item_set_expand(item, FALSE);
+	gtk_widget_set_size_request(GTK_WIDGET(item), 200, 0);
+	ttb->search_entry = gtk_entry_new();
+
+	gtk_entry_set_icon_from_stock(GTK_ENTRY(ttb->search_entry),
+		GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_FIND);
+	gtk_container_add(GTK_CONTAINER(item), ttb->search_entry);
+
+	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
+	g_signal_connect(GTK_ENTRY(ttb->search_entry), "icon-press",
+		G_CALLBACK(search_icon_cb), ttb);
+	g_signal_connect(G_OBJECT(ttb->search_entry), "activate",
+		G_CALLBACK(search_entry_cb), ttb);
+
+	/* Home button */
+	ttb->home = gtk_tool_button_new_from_stock(GTK_STOCK_HOME);
+	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), ttb->home, -1);
+	g_signal_connect(G_OBJECT(ttb->home), "clicked",
+		G_CALLBACK(go_home_cb), ttb);
+
+	/* Bookmarks button */
+	ttb->bookmarks = gtk_tool_button_new_from_stock(GTK_STOCK_PROPERTIES);
+	//gtk_widget_set_tooltip_text(GTK_WIDGET(item), "Bookmarks");
+	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), ttb->bookmarks, -1);
+	g_signal_connect(G_OBJECT(ttb->bookmarks), "clicked",
+		G_CALLBACK(go_bookmarks_cb), ttb);
+
+	return (toolbar);
+}
+
+void
+close_tab(struct tab *ttb)
+{
+	if (ttb == NULL)
+		return;
+
+	TAILQ_REMOVE(&tabs, ttb, entry);
+	if (TAILQ_EMPTY(&tabs))
+		create_new_tab(NULL, 1);
+
+	webkit_web_view_stop_loading(ttb->webview);
+	gtk_widget_destroy(ttb->vbox);
+	g_free(ttb);
+}
+
+gboolean
+close_tab_cb(GtkWidget *event_box, GdkEventButton *event, struct tab *ttb)
+{
+	close_tab(ttb);
+	return (FALSE);
+}
+
+void
+create_new_tab(char *title, int focus)
+{
+	struct tab	*ttb;
+	int	load = 1;
+	char *newuri = NULL;
+	GtkWidget *image, *hbox, *event_box;
+
+	ttb = g_malloc0(sizeof *ttb);
+	TAILQ_INSERT_TAIL(&tabs, ttb, entry);
+
+	if (title == NULL) {
+		title = "Empty";
+		load = 0;
+	}
+
+	ttb->vbox = gtk_vbox_new(FALSE, 0);
+
+	/* Tab title, spinner & close button */
+	hbox = gtk_hbox_new(FALSE, 0);
+	ttb->spinner = gtk_spinner_new();
+	ttb->label = gtk_label_new(title);
+	image = gtk_image_new_from_stock(GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU);
+
+	event_box = gtk_event_box_new();
+	gtk_container_add(GTK_CONTAINER(event_box), image);
+
+	gtk_widget_set_size_request(ttb->label, 160, -1);
+	gtk_box_pack_start(GTK_BOX(hbox), ttb->spinner, FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(hbox), ttb->label, FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(hbox), event_box, FALSE, FALSE, 0);
+
+	/* Toolbar */
+	ttb->toolbar = create_toolbar(ttb);
+	gtk_box_pack_start(GTK_BOX(ttb->vbox), ttb->toolbar,
+		FALSE, FALSE, 0);
+
+	/* Browser */
+	ttb->browser = create_browser(ttb);
+	gtk_box_pack_start(GTK_BOX(ttb->vbox), ttb->browser, TRUE, TRUE, 0);
+
+	/* Show all widgets */
+	gtk_widget_show_all(hbox);
+	gtk_widget_show_all(ttb->vbox);
+	ttb->tab_id = gtk_notebook_append_page(notebook, ttb->vbox, hbox);
+
+	/* Reorderable notebook tabs */
+	gtk_notebook_set_tab_reorderable(notebook, ttb->vbox, TRUE);
+
+	/* Close tab event */
+	g_signal_connect(G_OBJECT(event_box), "button_press_event",
+		G_CALLBACK(close_tab_cb), ttb);
+
+	if (notoolbar)
+		gtk_widget_hide(ttb->toolbar);
+
+	if (focus) {
+		gtk_notebook_set_current_page(notebook, ttb->tab_id);
+	}
+
+	if (load)
+		webkit_web_view_load_uri(ttb->webview, title);
+	else
+		gtk_widget_grab_focus(GTK_WIDGET(ttb->urientry));
+
+	if (newuri)
+		free(newuri);
+}
+
+/* Main window */
+GtkWidget *
+create_window(void)
+{
+	GtkWidget *window;
+
+	/* Default TazWeb window */
+	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
+	gtk_window_set_icon_name(GTK_WINDOW(window), "tazweb");
+	gtk_widget_set_name(window, "TazWeb");
+	gtk_window_set_wmclass(GTK_WINDOW(window), "tazweb", "TazWeb");
+	g_signal_connect(window, "destroy", G_CALLBACK(destroy_cb), NULL);
+
+	return (window);
+}
+
+void
+create_canvas(void)
+{
+	GtkWidget *vbox;
+
+	vbox = gtk_vbox_new(FALSE, 0);
+	notebook = GTK_NOTEBOOK(gtk_notebook_new());
+
+	/* Hide tabs */
+	if (notoolbar)
+		gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
+
+	gtk_notebook_set_scrollable(notebook, TRUE);
+	gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(notebook), TRUE, TRUE, 0);
+
+	tazweb_window = create_window();
+	gtk_container_add(GTK_CONTAINER(tazweb_window), vbox);
+	gtk_widget_show_all(tazweb_window);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int	focus = 1;
+
+	while (argc > 1) {
+		if (!strcmp(argv[1],"--notoolbar")) {
+			notoolbar++;
+		}
+		else if (!strcmp(argv[1],"--kiosk")) {
+			kiosk++;
+		}
+		else if (!strcmp(argv[1],"--useragent") && argc > 2) {
+			argc--;
+			argv++;
+			useragent = argv[1];
+		}
+		else if (!strcmp(argv[1],"--help")) {
+			printf ("Usage: tazweb [--notoolbar|--kiosk|--useragent] [ua]\n");
+			printf ("Bookmarks: %s\n", BMTXT);
+			return 0;
+		}
+		else break;
+		argc--;
+		argv++;
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	/* FreeBSD sytle! */
+	TAILQ_INIT(&tabs);
+
+	/* Initialize GTK */
+	gtk_init(&argc, &argv);
+	create_canvas();
+
+	/* Open all urls in a new tab */
+	while (argc) {
+		create_new_tab(argv[0], FALSE);
+		focus = 0;
+		argc--;
+		argv++;
+	}
+	if (focus == 1)
+		create_new_tab(WEBHOME, 1);
+
+	gtk_main();
+
+	return (0);
+}