tazweb view src/main.c @ rev 121

Add i18n to src, Makefile & README; BSD license from Wikipedia; add comment to .desktop file; add Russian translation to .po and .desktop file
author Aleksej Bobylev <al.bobylev@gmail.com>
date Wed Feb 27 18:15:40 2013 +0000 (2013-02-27)
parents c9e4365230ec
children cf5860f82d24
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) 2011-2013 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
19 #define CONFIG g_strdup_printf("%s/.config/tazweb", g_get_home_dir())
20 #define START "file:///usr/share/webhome/index.html"
21 #define SEARCH "http://duckduckgo.com/?q=%s&t=slitaz"
22
23 /* Needs AppleWebKit/531.2+ to handle all sites ? */
24 static gchar *useragent = "TazWeb (X11; SliTaz GNU/Linux; U; en_US)";
25
26 static GtkWidget* create_window(WebKitWebView** newwebview);
27 static GtkWidget *mainwindow, *vbox, *browser, *toolbar;
28 static WebKitWebView *webview;
29 static WebKitWebFrame *frame;
30 static gint count = 0;
31 const gchar* uri;
32
33 /* Create an icon */
34 static GdkPixbuf*
35 create_pixbuf(const gchar* image)
36 {
37 GdkPixbuf *pixbuf;
38 pixbuf = gdk_pixbuf_new_from_file(image, NULL);
39 return pixbuf;
40 }
41
42 /* Can be: http://hg.slitaz.org or hg.slitaz.org */
43 static void
44 check_requested_uri()
45 {
46 uri = g_strrstr(uri, "://") ? g_strdup(uri)
47 : g_strdup_printf("http://%s", uri);
48 }
49
50 /* Update title */
51 static void
52 update_title(GtkWindow* window, WebKitWebView* webview)
53 {
54 GString *string;
55 gdouble progress;
56 gchar *title;
57
58 string = g_string_new(webkit_web_view_get_title(webview));
59 progress = webkit_web_view_get_progress(webview) * 100;
60 if (progress < 100)
61 g_string_append_printf(string, " [ %f%% ] ", progress);
62
63 title = g_string_free(string, FALSE);
64 gtk_window_set_title(window, title);
65 g_free(title);
66 }
67
68 /* Get the page title */
69 static void
70 notify_title_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* window)
71 {
72 update_title(GTK_WINDOW(window), webview);
73 }
74
75 /* Request progress in window title */
76 static void
77 notify_progress_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* window)
78 {
79 update_title(GTK_WINDOW(window), webview);
80 }
81
82 /* Notify url entry */
83 static void
84 notify_load_status_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* urientry)
85 {
86 if (webkit_web_view_get_load_status(webview) == WEBKIT_LOAD_COMMITTED) {
87 frame = webkit_web_view_get_main_frame(webview);
88 uri = webkit_web_frame_get_uri(frame);
89 if (uri)
90 gtk_entry_set_text(GTK_ENTRY(urientry), uri);
91 }
92 }
93
94 /* Destroy the window */
95 static void
96 destroy_cb(GtkWidget* widget, GtkWindow* window)
97 {
98 if (g_atomic_int_dec_and_test(&count))
99 gtk_main_quit();
100 }
101
102 /* Show page source */
103 static void
104 view_source_cb(GtkWidget* widget, WebKitWebView* webview)
105 {
106 gboolean source;
107
108 frame = webkit_web_view_get_main_frame(webview);
109 uri = webkit_web_frame_get_uri(frame);
110 source = webkit_web_view_get_view_source_mode(webview);
111
112 webkit_web_view_set_view_source_mode(webview, !source);
113 webkit_web_view_reload(webview);
114 }
115
116 /* URL entry callback function */
117 static void
118 uri_entry_cb(GtkWidget* urientry, WebKitWebView* webview)
119 {
120 uri = gtk_entry_get_text(GTK_ENTRY(urientry));
121 g_assert(uri);
122 check_requested_uri();
123 webkit_web_view_load_uri(webview, uri);
124 }
125
126 /* Search entry and icon callback function */
127 static void
128 search_web(GtkWidget* search, WebKitWebView* webview)
129 {
130 uri = g_strdup_printf(SEARCH, gtk_entry_get_text(GTK_ENTRY(search)));
131 g_assert(uri);
132 webkit_web_view_load_uri(webview, uri);
133 }
134
135 static void
136 search_entry_cb(GtkWidget* search, WebKitWebView* webview)
137 {
138 search_web(search, webview);
139 }
140
141 static void
142 search_icon_press_cb(GtkWidget *search, GtkEntryIconPosition pos,
143 GdkEvent *event, WebKitWebView* webview)
144 {
145 search_web(search, webview);
146 }
147
148 /* Navigation button function */
149 static void
150 go_home_cb(GtkWidget* widget, WebKitWebView* webview)
151 {
152 uri = g_strdup_printf("file://%s/home.html", CONFIG);
153 g_assert(uri);
154 webkit_web_view_load_uri(webview, uri);
155 }
156
157 static void
158 go_back_cb(GtkWidget* widget, WebKitWebView* webview)
159 {
160 webkit_web_view_go_back(webview);
161 }
162
163 static void
164 go_forward_cb(GtkWidget* widget, WebKitWebView* webview)
165 {
166 webkit_web_view_go_forward(webview);
167 }
168
169 /* Fullscreen and unfullscreen callback function */
170 //static void
171 //fullscreen_cb(GtkWindow* window, gpointer data)
172 //{
173 //GdkWindowState state;
174 //state = gdk_window_get_state(gtk_widget_get_window(GTK_WIDGET(mainwindow)));
175
176 //if(state & GDK_WINDOW_STATE_FULLSCREEN)
177 //gtk_window_unfullscreen(GTK_WINDOW(mainwindow));
178 //else
179 //gtk_window_fullscreen(GTK_WINDOW(mainwindow));
180 //}
181
182 /* TazWeb doc callback function */
183 static void
184 tazweb_doc_cb(GtkWidget* widget, WebKitWebView *webview)
185 {
186 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
187 g_assert(uri);
188 webkit_web_view_load_uri(webview, uri);
189 }
190
191 /* Download function */
192 static gboolean
193 download_requested_cb(WebKitWebView *webview, WebKitDownload *download,
194 gpointer user_data)
195 {
196 const gchar* buffer;
197 uri = webkit_download_get_uri(download);
198 asprintf(&buffer, "xterm -T 'Download' -geom 72x10+0-24 -e \
199 'mkdir -p $HOME/Downloads && cd $HOME/Downloads && \
200 wget -c %s; sleep 2' &", uri);
201 system(buffer);
202 }
203
204 /* Zoom out and in callback function */
205 static void
206 zoom_out_cb(GtkWidget *widget, WebKitWebView* webview)
207 {
208 webkit_web_view_zoom_out(webview);
209 }
210
211 static void
212 zoom_in_cb(GtkWidget *widget, WebKitWebView* webview)
213 {
214 webkit_web_view_zoom_in(webview);
215 }
216
217 /* Printing callback function */
218 static void
219 print_page_cb (GtkWidget *widget, gpointer data)
220 {
221 webkit_web_frame_print (webkit_web_view_get_main_frame (
222 WEBKIT_WEB_VIEW (webview)));
223 }
224
225 /* New webview callbacks */
226 static WebKitWebView*
227 create_web_view_cb(WebKitWebView* webview, WebKitWebFrame* web_frame,
228 GtkWidget* window)
229 {
230 WebKitWebView *newview;
231 create_window(&newview);
232 return newview;
233 }
234
235 static gboolean
236 webview_ready_cb(WebKitWebView* webview, GtkWidget* window)
237 {
238 gtk_widget_grab_focus(GTK_WIDGET(webview));
239 gtk_widget_show_all(window);
240 return FALSE;
241 }
242
243 static gboolean
244 close_webview_cb(WebKitWebView* webview, GtkWidget* window)
245 {
246 gtk_widget_destroy(window);
247 return TRUE;
248 }
249
250 /* Add a bookmark to home.html */
251 void
252 add_bookmark_cb(GtkWidget *widget, gpointer data)
253 {
254 const gchar* title;
255 const gchar* buffer;
256
257 title = webkit_web_view_get_title(WEBKIT_WEB_VIEW (webview));
258 uri = webkit_web_view_get_uri(WEBKIT_WEB_VIEW (webview));
259
260 asprintf(&buffer, "sed -i \
261 -e '/<!-- end:bookmarks -->/ i <li><a href=\"%s\">%s</a></li>' \
262 -e s'/^<li>/ <li>/' $HOME/.config/tazweb/home.html &",
263 uri, title);
264 system(buffer);
265 }
266
267 /* Add items to WebKit contextual menu */
268 static void
269 populate_menu_cb(WebKitWebView *webview, GtkMenu *menu, gpointer data)
270 {
271 GtkWidget* item;
272
273 /* Separator */
274 item = gtk_separator_menu_item_new();
275 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
276
277 /* Zoom in */
278 item = gtk_image_menu_item_new_with_label(_("Zoom in"));
279 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
280 gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
281 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
282 g_signal_connect(item, "activate", G_CALLBACK(zoom_in_cb), webview);
283
284 /* Zoom out */
285 item = gtk_image_menu_item_new_with_label(_("Zoom out"));
286 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
287 gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
288 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
289 g_signal_connect(item, "activate", G_CALLBACK(zoom_out_cb), webview);
290
291 /* Separator */
292 item = gtk_separator_menu_item_new();
293 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
294
295 /* Add to bookmarks */
296 item = gtk_image_menu_item_new_with_label(_("Add a bookmark"));
297 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
298 gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU));
299 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
300 g_signal_connect(item, "activate", G_CALLBACK(add_bookmark_cb), webview);
301
302 /* Separator */
303 item = gtk_separator_menu_item_new();
304 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
305
306 /* View source mode */
307 item = gtk_image_menu_item_new_with_label(_("View source mode"));
308 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
309 gtk_image_new_from_stock(GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
310 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
311 g_signal_connect(item, "activate", G_CALLBACK(view_source_cb), webview);
312
313 /* Printing */
314 item = gtk_image_menu_item_new_with_label(_("Print this page"));
315 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
316 gtk_image_new_from_stock(GTK_STOCK_PRINT, GTK_ICON_SIZE_MENU));
317 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
318 g_signal_connect(item, "activate", G_CALLBACK(print_page_cb), webview);
319
320 /* Separator */
321 item = gtk_separator_menu_item_new();
322 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
323
324 /* TazWeb documentation */
325 item = gtk_image_menu_item_new_with_label(_("TazWeb manual"));
326 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
327 gtk_image_new_from_stock(GTK_STOCK_HELP, GTK_ICON_SIZE_MENU));
328 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
329 g_signal_connect(item, "activate", G_CALLBACK(tazweb_doc_cb), webview);
330
331 gtk_widget_show_all(GTK_WIDGET(menu));
332 }
333
334 /* Scrolled window for the webview */
335 static GtkWidget*
336 create_browser(GtkWidget* window, GtkWidget* urientry, GtkWidget* search,
337 WebKitWebView* webview)
338 {
339 WebKitWebSettings *settings;
340
341 browser = gtk_scrolled_window_new(NULL, NULL);
342 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(browser),
343 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
344
345 gtk_container_add(GTK_CONTAINER(browser), GTK_WIDGET(webview));
346
347 /* User agent */
348 settings = webkit_web_view_get_settings (webview);
349 g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL);
350
351 /* Connect WebKit events */
352 g_signal_connect(webview, "notify::title",
353 G_CALLBACK(notify_title_cb), window);
354 g_signal_connect(webview, "notify::progress",
355 G_CALLBACK(notify_progress_cb), window);
356 g_signal_connect(webview, "notify::load-status",
357 G_CALLBACK(notify_load_status_cb), urientry);
358 g_signal_connect(webview, "download-requested",
359 G_CALLBACK(download_requested_cb), NULL);
360 g_signal_connect(webview, "create-web-view",
361 G_CALLBACK(create_web_view_cb), window);
362 g_signal_connect(webview, "web-view-ready",
363 G_CALLBACK(webview_ready_cb), window);
364 g_signal_connect(webview, "close-web-view",
365 G_CALLBACK(close_webview_cb), window);
366
367 /* Connect WebKit contextual menu items */
368 g_object_connect(G_OBJECT(webview), "signal::populate-popup",
369 G_CALLBACK(populate_menu_cb), webview, NULL);
370
371 return browser;
372 }
373
374 static GtkWidget*
375 create_toolbar(GtkWidget* urientry, GtkWidget* search, WebKitWebView* webview)
376 {
377 GtkToolItem* item;
378
379 toolbar = gtk_toolbar_new();
380 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar),
381 GTK_ORIENTATION_HORIZONTAL);
382 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar),
383 GTK_TOOLBAR_BOTH_HORIZ);
384
385 /* The back button */
386 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
387 g_signal_connect(G_OBJECT(item), "clicked",
388 G_CALLBACK(go_back_cb), webview);
389 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
390
391 /* The forward button */
392 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_FORWARD);
393 g_signal_connect(G_OBJECT(item), "clicked",
394 G_CALLBACK(go_forward_cb), webview);
395 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
396
397 /* Home button */
398 item = gtk_tool_button_new_from_stock(GTK_STOCK_HOME);
399 g_signal_connect(G_OBJECT(item), "clicked",
400 G_CALLBACK(go_home_cb), webview);
401 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
402
403 /* URL entry */
404 item = gtk_tool_item_new();
405 gtk_tool_item_set_expand(item, TRUE);
406 gtk_widget_set_size_request(urientry, 0, 20);
407 gtk_container_add(GTK_CONTAINER(item), urientry);
408 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
409 g_signal_connect(G_OBJECT(urientry), "activate",
410 G_CALLBACK(uri_entry_cb), webview);
411
412 /* Separator */
413 item = gtk_separator_tool_item_new();
414 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
415
416 /* Search entry */
417 item = gtk_tool_item_new();
418 gtk_widget_set_size_request(search, 150, 20);
419 gtk_container_add(GTK_CONTAINER(item), search);
420 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
421 gtk_entry_set_icon_from_stock(GTK_ENTRY(search),
422 GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_FIND);
423 g_signal_connect(GTK_ENTRY(search), "icon-press",
424 G_CALLBACK(search_icon_press_cb), webview);
425 g_signal_connect(G_OBJECT(search), "activate",
426 G_CALLBACK(search_entry_cb), webview);
427
428 /* The Fullscreen button */
429 //item = gtk_tool_button_new_from_stock(GTK_STOCK_FULLSCREEN);
430 //g_signal_connect(G_OBJECT(item), "clicked",
431 //G_CALLBACK(fullscreen_cb), NULL);
432 //gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
433
434 return toolbar;
435 }
436
437 static gboolean notoolbar;
438 /* Main window */
439 static GtkWidget*
440 create_window(WebKitWebView** newwebview)
441 {
442 GtkWidget *window;
443 GtkWidget *urientry;
444 GtkWidget *search;
445
446 g_atomic_int_inc(&count);
447
448 /* Default TazWeb window */
449 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
450 gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
451 gtk_window_set_icon(GTK_WINDOW(window),
452 create_pixbuf("/usr/share/pixmaps/tazweb.png"));
453 gtk_widget_set_name(window, "TazWeb");
454 g_signal_connect(window, "destroy", G_CALLBACK(destroy_cb), NULL);
455
456 /* Webview and widgets */
457 webview = WEBKIT_WEB_VIEW(webkit_web_view_new());
458 urientry = gtk_entry_new();
459 search = gtk_entry_new();
460 vbox = gtk_vbox_new(FALSE, 0);
461
462 /* Pack box and container */
463 gtk_box_pack_start(GTK_BOX(vbox),
464 create_browser(window, urientry, search, webview), TRUE, TRUE, 0);
465 if (! notoolbar)
466 gtk_box_pack_start(GTK_BOX(vbox),
467 create_toolbar(urientry, search, webview), FALSE, FALSE, 0);
468 gtk_container_add(GTK_CONTAINER(window), vbox);
469
470 if (newwebview)
471 *newwebview = webview;
472
473 return window;
474 }
475
476 int
477 main(int argc, char* argv[])
478 {
479 textdomain (GETTEXT_PACKAGE);
480
481 while (argc > 1) {
482 if (!strcmp(argv[1],"--notoolbar")) {
483 notoolbar++;
484 }
485 else if (!strcmp(argv[1],"--useragent") && argc > 2) {
486 argc--;
487 argv++;
488 useragent = argv[1];
489 }
490 else break;
491 argc--;
492 argv++;
493 }
494 gtk_init(NULL, NULL);
495 if (!g_thread_supported())
496 g_thread_init(NULL);
497
498 /* Get a default home.html if missing */
499 if (! g_file_test(CONFIG, G_FILE_TEST_EXISTS)) {
500 system("mkdir -p $HOME/.config/tazweb");
501 system("cp /usr/share/tazweb/home.html $HOME/.config/tazweb");
502 system("cp /usr/share/tazweb/style.css $HOME/.config/tazweb");
503 }
504
505 /* Load the start page file or the url in argument */
506 uri =(char*)(argc > 1 ? argv[1] : START);
507 if (argv[1])
508 check_requested_uri();
509
510 mainwindow = create_window(&webview);
511
512 gtk_widget_show_all(mainwindow);
513 webkit_web_view_load_uri(webview, uri);
514 gtk_widget_grab_focus(GTK_WIDGET(webview));
515 gtk_main();
516
517 return 0;
518 }