tazweb view src/tazweb.c @ rev 177

Rename source files, improve Makefile
author Christophe Lincoln <pankso@slitaz.org>
date Sun Mar 12 17:56:20 2017 +0100 (2017-03-12)
parents
children 02eed5624373
line source
1 /*
2 * TazWeb is a radically simple web browser providing a single window
3 * with a single toolbar with buttons, an URL entry and search as well
4 * as a contextual menu, but no menu bar or tabs. Commented line code
5 * starts with // and comments are between * *
6 *
7 * Copyright (C) 2011-2014 SliTaz GNU/Linux - BSD License
8 * See AUTHORS and LICENSE for detailed information
9 *
10 */
11
12 #include <glib.h>
13 #include <glib/gi18n.h>
14 #define GETTEXT_PACKAGE "tazweb"
15
16 #include <gtk/gtk.h>
17 #include <webkit/webkit.h>
18 //#include <libsoup/soup.h> // for cookies ?
19
20 #define HOME g_get_home_dir()
21 #define CONFIG g_strdup_printf("%s/.config/tazweb", HOME)
22 #define BMTXT g_strdup_printf("%s/bookmarks.txt", CONFIG)
23 #define BMURL g_strdup_printf("%s/bookmarks.html", CONFIG)
24 #define WEBHOME "file:///usr/share/webhome/index.html"
25 #define SEARCH "http://duckduckgo.com/?q=%s&t=slitaz"
26
27 static gchar *useragent = "TazWeb (X11; SliTaz GNU/Linux; U; en_US)";
28 static GtkWidget* create_window(WebKitWebView** newwebview);
29 static GtkWidget *mainwindow, *vbox, *browser, *toolbar;
30 static WebKitWebView *webview;
31 static WebKitWebFrame *frame;
32 static gint count = 0;
33 static gboolean notoolbar;
34 static gboolean noquit;
35 static gboolean kiosk;
36 const gchar* uri;
37
38 /* Create an icon */
39 static GdkPixbuf*
40 create_pixbuf(const gchar* image)
41 {
42 GdkPixbuf *pixbuf;
43 pixbuf = gdk_pixbuf_new_from_file(image, NULL);
44 return pixbuf;
45 }
46
47 /* Can be: http://hg.slitaz.org or hg.slitaz.org */
48 static void
49 check_requested_uri()
50 {
51 uri = g_strrstr(uri, "://") ? g_strdup(uri)
52 : g_strdup_printf("http://%s", uri);
53 }
54
55 /* Update title */
56 static void
57 update_title(GtkWindow* window, WebKitWebView* webview)
58 {
59 GString *string;
60 gdouble progress;
61 gchar *title;
62
63 string = g_string_new(webkit_web_view_get_title(webview));
64 progress = webkit_web_view_get_progress(webview) * 100;
65 if (progress < 100)
66 g_string_append_printf(string, " [ %f%% ] ", progress);
67
68 title = g_string_free(string, FALSE);
69 gtk_window_set_title(window, title);
70 g_free(title);
71 }
72
73 /* Get the page title */
74 static void
75 notify_title_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* window)
76 {
77 update_title(GTK_WINDOW(window), webview);
78 }
79
80 /* Request progress in window title */
81 static void
82 notify_progress_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* window)
83 {
84 update_title(GTK_WINDOW(window), webview);
85 }
86
87 /* Notify url entry */
88 static void
89 notify_load_status_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* urientry)
90 {
91 if (webkit_web_view_get_load_status(webview) == WEBKIT_LOAD_COMMITTED) {
92 frame = webkit_web_view_get_main_frame(webview);
93 uri = webkit_web_frame_get_uri(frame);
94 if (uri)
95 gtk_entry_set_text(GTK_ENTRY(urientry), uri);
96 }
97 }
98
99 /* Destroy the window */
100 static void
101 destroy_cb(GtkWidget* widget, GtkWindow* window)
102 {
103 if (g_atomic_int_dec_and_test(&count))
104 gtk_main_quit();
105 }
106
107 /* Show page source */
108 static void
109 view_source_cb(GtkWidget* widget, WebKitWebView* webview)
110 {
111 gboolean source;
112
113 frame = webkit_web_view_get_main_frame(webview);
114 uri = webkit_web_frame_get_uri(frame);
115 source = webkit_web_view_get_view_source_mode(webview);
116
117 webkit_web_view_set_view_source_mode(webview, !source);
118 webkit_web_view_reload(webview);
119 }
120
121 /* URL entry callback function */
122 static void
123 uri_entry_cb(GtkWidget* urientry, WebKitWebView* webview)
124 {
125 uri = gtk_entry_get_text(GTK_ENTRY(urientry));
126 g_assert(uri);
127 check_requested_uri();
128 webkit_web_view_load_uri(webview, uri);
129 }
130
131 /* Search entry and icon callback function */
132 static void
133 search_web(GtkWidget* search, WebKitWebView* webview)
134 {
135 uri = g_strdup_printf(SEARCH, gtk_entry_get_text(GTK_ENTRY(search)));
136 g_assert(uri);
137 webkit_web_view_load_uri(webview, uri);
138 }
139
140 static void
141 search_entry_cb(GtkWidget* search, WebKitWebView* webview)
142 {
143 search_web(search, webview);
144 }
145
146 static void
147 search_icon_press_cb(GtkWidget *search, GtkEntryIconPosition pos,
148 GdkEvent *event, WebKitWebView* webview)
149 {
150 search_web(search, webview);
151 }
152
153 /* Navigation button function: */
154 static void
155 go_bookmarks_cb(GtkWidget* widget, WebKitWebView* webview)
156 {
157 system("tazweb-helper html_bookmarks");
158 uri = g_strdup_printf("file://%s", BMURL);
159 g_assert(uri);
160 webkit_web_view_load_uri(webview, uri);
161 }
162
163 static void
164 go_home_cb(GtkWidget* widget, WebKitWebView* webview)
165 {
166 uri = WEBHOME;
167 g_assert(uri);
168 webkit_web_view_load_uri(webview, uri);
169 }
170
171 static void
172 go_back_cb(GtkWidget* widget, WebKitWebView* webview)
173 {
174 webkit_web_view_go_back(webview);
175 }
176
177 static void
178 go_forward_cb(GtkWidget* widget, WebKitWebView* webview)
179 {
180 webkit_web_view_go_forward(webview);
181 }
182
183 /* Fullscreen and unfullscreen callback function */
184 //static void
185 //fullscreen_cb(GtkWindow* window, gpointer data)
186 //{
187 //GdkWindowState state;
188 //state = gdk_window_get_state(gtk_widget_get_window(GTK_WIDGET(mainwindow)));
189
190 //if(state & GDK_WINDOW_STATE_FULLSCREEN)
191 //gtk_window_unfullscreen(GTK_WINDOW(mainwindow));
192 //else
193 //gtk_window_fullscreen(GTK_WINDOW(mainwindow));
194 //}
195
196 /* TazWeb doc callback function */
197 static void
198 tazweb_doc_cb(GtkWidget* widget, WebKitWebView *webview)
199 {
200 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
201 g_assert(uri);
202 webkit_web_view_load_uri(webview, uri);
203 }
204
205 /* Download function */
206 static gboolean
207 download_requested_cb(WebKitWebView *webview, WebKitDownload *download,
208 gpointer user_data)
209 {
210 const gchar* buffer;
211 uri = webkit_download_get_uri(download);
212 asprintf(&buffer, "xterm -T 'Download' -geom 72x10+0-24 -e \
213 'mkdir -p $HOME/Downloads && cd $HOME/Downloads && \
214 wget -c %s; sleep 2' &", uri);
215 system(buffer);
216 }
217
218 /* Zoom out and in callback function */
219 static void
220 zoom_out_cb(GtkWidget *widget, WebKitWebView* webview)
221 {
222 webkit_web_view_zoom_out(webview);
223 }
224
225 static void
226 zoom_in_cb(GtkWidget *widget, WebKitWebView* webview)
227 {
228 webkit_web_view_zoom_in(webview);
229 }
230
231 /* Printing callback function */
232 static void
233 print_page_cb (GtkWidget *widget, gpointer data)
234 {
235 webkit_web_frame_print (webkit_web_view_get_main_frame (
236 WEBKIT_WEB_VIEW (webview)));
237 }
238
239 /* New webview callbacks */
240 static WebKitWebView*
241 create_web_view_cb(WebKitWebView* webview, WebKitWebFrame* web_frame,
242 GtkWidget* window)
243 {
244 WebKitWebView *newview;
245 create_window(&newview);
246 return newview;
247 }
248
249 static gboolean
250 webview_ready_cb(WebKitWebView* webview, GtkWidget* window)
251 {
252 gtk_widget_grab_focus(GTK_WIDGET(webview));
253 gtk_widget_show_all(window);
254 return FALSE;
255 }
256
257 static gboolean
258 close_webview_cb(WebKitWebView* webview, GtkWidget* window)
259 {
260 gtk_widget_destroy(window);
261 return TRUE;
262 }
263
264 /* Add a bookmark */
265 void add_bookmark_cb(GtkWidget *widget, gpointer data)
266 {
267 const gchar* title;
268 const gchar* buffer;
269
270 title = webkit_web_view_get_title(WEBKIT_WEB_VIEW (webview));
271 uri = webkit_web_view_get_uri(WEBKIT_WEB_VIEW (webview));
272
273 asprintf(&buffer, "echo '%s|%s' >> %s", title, uri, BMTXT);
274 system(buffer);
275 }
276
277 /* Add items to WebKit contextual menu */
278 static void
279 populate_menu_cb(WebKitWebView *webview, GtkMenu *menu, gpointer data)
280 {
281 GtkWidget* item;
282
283 /* Separator */
284 item = gtk_separator_menu_item_new();
285 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
286
287 /* Zoom in */
288 item = gtk_image_menu_item_new_with_label(_("Zoom in"));
289 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
290 gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
291 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
292 g_signal_connect(item, "activate", G_CALLBACK(zoom_in_cb), webview);
293
294 /* Zoom out */
295 item = gtk_image_menu_item_new_with_label(_("Zoom out"));
296 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
297 gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
298 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
299 g_signal_connect(item, "activate", G_CALLBACK(zoom_out_cb), webview);
300
301 /* Separator */
302 item = gtk_separator_menu_item_new();
303 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
304
305 if (! kiosk) {
306 /* Add a bookmark */
307 item = gtk_image_menu_item_new_with_label(_("Add a bookmark"));
308 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
309 gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU));
310 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
311 g_signal_connect(item, "activate", G_CALLBACK(add_bookmark_cb), webview);
312 }
313
314 /* Printing */
315 item = gtk_image_menu_item_new_with_label(_("Print this page"));
316 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
317 gtk_image_new_from_stock(GTK_STOCK_PRINT, GTK_ICON_SIZE_MENU));
318 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
319 g_signal_connect(item, "activate", G_CALLBACK(print_page_cb), webview);
320
321 /* View source mode */
322 item = gtk_image_menu_item_new_with_label(_("View source mode"));
323 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
324 gtk_image_new_from_stock(GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
325 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
326 g_signal_connect(item, "activate", G_CALLBACK(view_source_cb), webview);
327
328 /* Separator */
329 item = gtk_separator_menu_item_new();
330 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
331
332 /* TazWeb documentation */
333 item = gtk_image_menu_item_new_with_label(_("TazWeb manual"));
334 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
335 gtk_image_new_from_stock(GTK_STOCK_HELP, GTK_ICON_SIZE_MENU));
336 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
337 g_signal_connect(item, "activate", G_CALLBACK(tazweb_doc_cb), webview);
338
339 /* Quit TazWeb */
340 item = gtk_image_menu_item_new_with_label(_("Quit TazWeb"));
341 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
342 gtk_image_new_from_stock(GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU));
343 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
344 g_signal_connect(item, "activate", G_CALLBACK(destroy_cb), webview);
345
346 gtk_widget_show_all(GTK_WIDGET(menu));
347 }
348
349 /* Scrolled window for the webview */
350 static GtkWidget*
351 create_browser(GtkWidget* window, GtkWidget* urientry, GtkWidget* search,
352 WebKitWebView* webview)
353 {
354 WebKitWebSettings *settings;
355
356 browser = gtk_scrolled_window_new(NULL, NULL);
357 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(browser),
358 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
359
360 gtk_container_add(GTK_CONTAINER(browser), GTK_WIDGET(webview));
361
362 /* User agent */
363 settings = webkit_web_view_get_settings (webview);
364 g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL);
365
366 /* Connect WebKit events */
367 g_signal_connect(webview, "notify::title",
368 G_CALLBACK(notify_title_cb), window);
369 g_signal_connect(webview, "notify::progress",
370 G_CALLBACK(notify_progress_cb), window);
371 g_signal_connect(webview, "notify::load-status",
372 G_CALLBACK(notify_load_status_cb), urientry);
373 g_signal_connect(webview, "web-view-ready",
374 G_CALLBACK(webview_ready_cb), window);
375 g_signal_connect(webview, "close-web-view",
376 G_CALLBACK(close_webview_cb), window);
377
378 /* Impossible to open in new window or download in kiosk mode */
379 if (! kiosk) {
380 g_signal_connect(webview, "download-requested",
381 G_CALLBACK(download_requested_cb), NULL);
382 g_signal_connect(webview, "create-web-view",
383 G_CALLBACK(create_web_view_cb), window);
384 }
385
386 /* Connect WebKit contextual menu items */
387 g_object_connect(G_OBJECT(webview), "signal::populate-popup",
388 G_CALLBACK(populate_menu_cb), webview, NULL);
389
390 return browser;
391 }
392
393 static GtkWidget*
394 create_toolbar(GtkWidget* urientry, GtkWidget* search, WebKitWebView* webview)
395 {
396 GtkToolItem* item;
397
398 toolbar = gtk_toolbar_new();
399 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar),
400 GTK_ORIENTATION_HORIZONTAL);
401 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar),
402 GTK_TOOLBAR_BOTH_HORIZ);
403
404 /* The back button */
405 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
406 g_signal_connect(G_OBJECT(item), "clicked",
407 G_CALLBACK(go_back_cb), webview);
408 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
409
410 /* The forward button */
411 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_FORWARD);
412 g_signal_connect(G_OBJECT(item), "clicked",
413 G_CALLBACK(go_forward_cb), webview);
414 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
415
416 /* Home button */
417 item = gtk_tool_button_new_from_stock(GTK_STOCK_HOME);
418 g_signal_connect(G_OBJECT(item), "clicked",
419 G_CALLBACK(go_home_cb), webview);
420 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
421
422 /* URL entry */
423 item = gtk_tool_item_new();
424 gtk_tool_item_set_expand(item, TRUE);
425 gtk_widget_set_size_request(urientry, 0, 20);
426 gtk_container_add(GTK_CONTAINER(item), urientry);
427 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
428 g_signal_connect(G_OBJECT(urientry), "activate",
429 G_CALLBACK(uri_entry_cb), webview);
430
431 /* Separator */
432 item = gtk_separator_tool_item_new();
433 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
434
435 /* Search entry */
436 item = gtk_tool_item_new();
437 gtk_widget_set_size_request(search, 160, 20);
438 gtk_container_add(GTK_CONTAINER(item), search);
439 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
440 gtk_entry_set_icon_from_stock(GTK_ENTRY(search),
441 GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_FIND);
442 g_signal_connect(GTK_ENTRY(search), "icon-press",
443 G_CALLBACK(search_icon_press_cb), webview);
444 g_signal_connect(G_OBJECT(search), "activate",
445 G_CALLBACK(search_entry_cb), webview);
446
447 /* Bookmark button */
448 item = gtk_tool_button_new_from_stock(GTK_STOCK_PROPERTIES);
449 g_signal_connect(G_OBJECT(item), "clicked",
450 G_CALLBACK(go_bookmarks_cb), webview);
451 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
452
453 return toolbar;
454 }
455
456 /* Main window */
457 static GtkWidget*
458 create_window(WebKitWebView** newwebview)
459 {
460 GtkWidget *window;
461 GtkWidget *urientry;
462 GtkWidget *search;
463
464 g_atomic_int_inc(&count);
465
466 /* Default TazWeb window */
467 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
468 gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
469 gtk_window_set_icon_name(GTK_WINDOW(window), "tazweb");
470 gtk_widget_set_name(window, "TazWeb");
471 gtk_window_set_wmclass(GTK_WINDOW(window), "tazweb", "TazWeb");
472 g_signal_connect(window, "destroy", G_CALLBACK(destroy_cb), NULL);
473
474 /* Webview and widgets */
475 webview = WEBKIT_WEB_VIEW(webkit_web_view_new());
476 urientry = gtk_entry_new();
477 search = gtk_entry_new();
478 vbox = gtk_vbox_new(FALSE, 0);
479
480 /* Pack box and container */
481 if (! notoolbar)
482 gtk_box_pack_start(GTK_BOX(vbox),
483 create_toolbar(urientry, search, webview), FALSE, FALSE, 0);
484 gtk_box_pack_start(GTK_BOX(vbox),
485 create_browser(window, urientry, search, webview), TRUE, TRUE, 0);
486
487 gtk_container_add(GTK_CONTAINER(window), vbox);
488
489 if (newwebview)
490 *newwebview = webview;
491
492 return window;
493 }
494
495 int
496 main(int argc, char* argv[])
497 {
498 textdomain (GETTEXT_PACKAGE);
499
500 while (argc > 1) {
501 if (!strcmp(argv[1],"--notoolbar")) {
502 notoolbar++;
503 }
504 else if (!strcmp(argv[1],"--kiosk")) {
505 kiosk++;
506 }
507 else if (!strcmp(argv[1],"--useragent") && argc > 2) {
508 argc--;
509 argv++;
510 useragent = argv[1];
511 }
512 else if (!strcmp(argv[1],"--help")) {
513 printf ("Usage: tazweb [--notoolbar|--kiosk|--useragent] [ua]\n");
514 printf ("Bookmarks: %s\n", BMTXT);
515 return 0;
516 }
517 else break;
518 argc--;
519 argv++;
520 }
521
522 /* Initialize GTK */
523 gtk_init(NULL, NULL);
524
525 /* Get a default bookmarks.txt if missing */
526 if (! g_file_test(BMTXT, G_FILE_TEST_EXISTS)) {
527 system("install -m 0700 -d $HOME/.config/tazweb");
528 system("install -m 0600 /usr/share/tazweb/bookmarks.txt \
529 $HOME/.config/tazweb/bookmarks.txt");
530 }
531
532 /* Load the start page file or the url in argument */
533 uri =(char*)(argc > 1 ? argv[1] : WEBHOME);
534 if (argv[1])
535 check_requested_uri();
536
537 mainwindow = create_window(&webview);
538 gtk_widget_show_all(mainwindow);
539
540 /* Fullscreen for Kiosk mode */
541 if (kiosk)
542 gtk_window_fullscreen(GTK_WINDOW(mainwindow));
543
544 webkit_web_view_load_uri(webview, uri);
545 gtk_widget_grab_focus(GTK_WIDGET(webview));
546 gtk_main();
547
548 return 0;
549 }