tazweb view src/main.c @ rev 82

Fix navigation menu to use the correct window when more than one is open
author Christophe Lincoln <pankso@slitaz.org>
date Mon Apr 25 02:34:46 2011 +0200 (2011-04-25)
parents faa4ee68950b
children 694a52b21b06
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 SliTaz GNU/Linux - BSD License
8 * See AUTHORS and LICENSE for detailed information
9 *
10 */
11
12 #include <gtk/gtk.h>
13 #include <webkit/webkit.h>
14
15 #define CONFIG g_strdup_printf("%s/.config/tazweb", g_get_home_dir())
16 #define START "file:///usr/share/webhome/index.html"
17
18 /* Needs AppleWebKit/531.2+ to handle all sites ? */
19 static gchar *useragent = "TazWeb (X11; SliTaz GNU/Linux; U; en_US)";
20
21 static GtkWidget* create_window(WebKitWebView** newwebview);
22 static GtkWidget *mainwindow, *vbox, *browser, *toolbar;
23 static WebKitWebView* webview;
24 static WebKitWebFrame* frame;
25 static gint count = 0;
26 const gchar* uri;
27
28 /* Create an icon */
29 static GdkPixbuf*
30 create_pixbuf(const gchar* image)
31 {
32 GdkPixbuf *pixbuf;
33 pixbuf = gdk_pixbuf_new_from_file(image, NULL);
34 return pixbuf;
35 }
36
37 /* Can be: http://hg.slitaz.org or hg.slitaz.org */
38 static void
39 check_requested_uri()
40 {
41 uri = g_strrstr(uri, "://") ? g_strdup(uri)
42 : g_strdup_printf("http://%s", uri);
43 }
44
45 /* Update title */
46 static void
47 update_title(GtkWindow* window, WebKitWebView* webview)
48 {
49 GString *string;
50 gdouble progress;
51 gchar *title;
52
53 string = g_string_new(webkit_web_view_get_title(webview));
54 progress = webkit_web_view_get_progress(webview) * 100;
55 if (progress < 100)
56 g_string_append_printf(string, " [ %f%% ] ", progress);
57
58 title = g_string_free(string, FALSE);
59 gtk_window_set_title(window, title);
60 g_free(title);
61 }
62
63 /* Get the page title */
64 static void
65 notify_title_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* window)
66 {
67 update_title(GTK_WINDOW(window), webview);
68 }
69
70 /* Request progress in window title */
71 static void
72 notify_progress_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* window)
73 {
74 update_title(GTK_WINDOW(window), webview);
75 }
76
77 /* Notify loader and url entry */
78 static void
79 notify_load_status_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* urientry)
80 {
81 if (webkit_web_view_get_load_status(webview) == WEBKIT_LOAD_COMMITTED) {
82 frame = webkit_web_view_get_main_frame(webview);
83 uri = webkit_web_frame_get_uri(frame);
84 if (uri)
85 gtk_entry_set_text(GTK_ENTRY(urientry), uri);
86 }
87 }
88
89 /* Destroy the window */
90 static void
91 destroy_cb(GtkWidget* widget, GtkWindow* window)
92 {
93 if (g_atomic_int_dec_and_test(&count))
94 gtk_main_quit();
95 }
96
97 /* Show page source */
98 static void
99 view_source_cb()
100 {
101 gboolean source;
102
103 frame = webkit_web_view_get_main_frame(webview);
104 uri = webkit_web_frame_get_uri(frame);
105 source = webkit_web_view_get_view_source_mode(webview);
106
107 webkit_web_view_set_view_source_mode(webview, !source);
108 webkit_web_view_reload(webview);
109 }
110
111 /* URL entry callback function */
112 static void
113 uri_entry_cb(GtkWidget* urientry, gpointer data)
114 {
115 uri = gtk_entry_get_text(GTK_ENTRY(urientry));
116 g_assert(uri);
117 check_requested_uri();
118 webkit_web_view_load_uri(webview, uri);
119 }
120
121 /* Search entry callback function */
122 static void
123 search_entry_cb(GtkWidget* search, gpointer data)
124 {
125 uri = g_strdup_printf("http://www.google.com/search?q=%s",
126 gtk_entry_get_text(GTK_ENTRY(search)));
127 g_assert(uri);
128 webkit_web_view_load_uri(webview, uri);
129 }
130
131 /* Home button callback function */
132 static void
133 go_home_cb(GtkWidget* widget, WebKitWebView* webview)
134 {
135 uri = g_strdup_printf("file://%s/home.html", CONFIG);
136 g_assert(uri);
137 webkit_web_view_load_uri(webview, uri);
138 }
139
140 /* Navigation button function */
141 static void
142 go_back_cb(GtkWidget* widget, WebKitWebView* webview)
143 {
144 webkit_web_view_go_back(webview);
145 }
146
147 static void
148 go_forward_cb(GtkWidget* widget, WebKitWebView* webview)
149 {
150 webkit_web_view_go_forward(webview);
151 }
152
153 /* Fullscreen and unfullscreen callback function */
154 static void
155 fullscreen_cb(GtkWindow* window, gpointer data)
156 {
157 GdkWindowState state;
158 state = gdk_window_get_state(gtk_widget_get_window(GTK_WIDGET(mainwindow)));
159
160 if(state & GDK_WINDOW_STATE_FULLSCREEN)
161 gtk_window_unfullscreen(GTK_WINDOW(mainwindow));
162 else
163 gtk_window_fullscreen(GTK_WINDOW(mainwindow));
164 }
165
166 /* TazWeb doc callback function */
167 static void
168 tazweb_doc_cb(GtkWidget* widget, gpointer data)
169 {
170 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
171 g_assert(uri);
172 webkit_web_view_load_uri(webview, uri);
173 }
174
175 /* Download function */
176 static gboolean
177 download_requested_cb(WebKitWebView *webview, WebKitDownload *download,
178 gpointer user_data)
179 {
180 uri = webkit_download_get_uri(download);
181 const gchar* buffer;
182 asprintf(&buffer,
183 "xterm -T 'Download' -geom 72x10+0-24 -e \
184 'cd $HOME/Downloads && wget -c %s; sleep 2' &", uri);
185 system(buffer);
186 }
187
188 /* Zoom out and in callback function */
189 static void
190 zoom_out_cb(GtkWidget *window)
191 {
192 webkit_web_view_zoom_out(webview);
193 }
194
195 static void
196 zoom_in_cb(GtkWidget *window)
197 {
198 webkit_web_view_zoom_in(webview);
199 }
200
201 /* New webview clallbacks */
202 static WebKitWebView*
203 create_web_view_cb(WebKitWebView* webview, WebKitWebFrame* web_frame,
204 GtkWidget* window)
205 {
206 WebKitWebView *newview;
207 create_window(&newview);
208 return newview;
209 }
210
211 static gboolean
212 webview_ready_cb(WebKitWebView* webview, GtkWidget* window)
213 {
214 gtk_widget_grab_focus(GTK_WIDGET(webview));
215 gtk_widget_show_all(window);
216 return FALSE;
217 }
218
219 static gboolean
220 close_webview_cb(WebKitWebView* webview, GtkWidget* window)
221 {
222 gtk_widget_destroy(window);
223 return TRUE;
224 }
225
226 /* Add items to WebKit contextual menu */
227 static void
228 populate_menu_cb(WebKitWebView *webview, GtkMenu *menu, gpointer data)
229 {
230 GtkWidget* item;
231
232 /* Separator */
233 item = gtk_separator_menu_item_new();
234 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
235
236 /* Zoom in */
237 item = gtk_image_menu_item_new_with_label("Zoom in");
238 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
239 gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
240 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
241 g_signal_connect(item, "activate", G_CALLBACK(zoom_in_cb), NULL);
242
243 /* Zoom out */
244 item = gtk_image_menu_item_new_with_label("Zoom out");
245 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
246 gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
247 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
248 g_signal_connect(item, "activate", G_CALLBACK(zoom_out_cb), NULL);
249
250 /* Separator */
251 item = gtk_separator_menu_item_new();
252 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
253
254 /* TazWeb documentation */
255 item = gtk_image_menu_item_new_with_label("TazWeb manual");
256 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
257 gtk_image_new_from_stock(GTK_STOCK_INFO, GTK_ICON_SIZE_MENU));
258 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
259 g_signal_connect(item, "activate", G_CALLBACK(tazweb_doc_cb), NULL);
260
261 /* View source mode */
262 item = gtk_image_menu_item_new_with_label("View source mode");
263 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
264 gtk_image_new_from_stock(GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
265 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
266 g_signal_connect(item, "activate", G_CALLBACK(view_source_cb), NULL);
267
268 gtk_widget_show_all(GTK_WIDGET(menu));
269 }
270
271 /* Scrolled window for the webview */
272 static GtkWidget*
273 create_browser(GtkWidget* window, GtkWidget* urientry, GtkWidget* search,
274 WebKitWebView* webview)
275 {
276 WebKitWebSettings *settings;
277
278 browser = gtk_scrolled_window_new(NULL, NULL);
279 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(browser),
280 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
281
282 gtk_container_add(GTK_CONTAINER(browser), GTK_WIDGET(webview));
283
284 /* User agent */
285 settings = webkit_web_view_get_settings (webview);
286 g_object_set (G_OBJECT (settings), "user-agent", useragent, NULL);
287
288 /* Connect WebKit events */
289 g_signal_connect(webview, "notify::title",
290 G_CALLBACK(notify_title_cb), window);
291 g_signal_connect(webview, "notify::progress",
292 G_CALLBACK(notify_progress_cb), window);
293 g_signal_connect(webview, "notify::load-status",
294 G_CALLBACK(notify_load_status_cb), urientry);
295 g_signal_connect(webview, "download-requested",
296 G_CALLBACK(download_requested_cb), NULL);
297 g_signal_connect(webview, "create-web-view",
298 G_CALLBACK(create_web_view_cb), window);
299 g_signal_connect(webview, "web-view-ready",
300 G_CALLBACK(webview_ready_cb), window);
301 g_signal_connect(webview, "close-web-view",
302 G_CALLBACK(close_webview_cb), window);
303
304 /* Connect WebKit contextual menu items */
305 g_object_connect(G_OBJECT(webview), "signal::populate-popup",
306 G_CALLBACK(populate_menu_cb), webview, NULL);
307
308 return browser;
309 }
310
311 static GtkWidget*
312 create_toolbar(GtkWidget* urientry, GtkWidget* search, WebKitWebView* webview)
313 {
314 GtkToolItem* item;
315
316 toolbar = gtk_toolbar_new();
317 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar),
318 GTK_ORIENTATION_HORIZONTAL);
319 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar),
320 GTK_TOOLBAR_BOTH_HORIZ);
321
322 /* The back button */
323 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
324 g_signal_connect(G_OBJECT(item), "clicked",
325 G_CALLBACK(go_back_cb), webview);
326 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
327
328 /* The forward button */
329 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_FORWARD);
330 g_signal_connect(G_OBJECT(item), "clicked",
331 G_CALLBACK(go_forward_cb), webview);
332 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
333
334 /* Home button */
335 item = gtk_tool_button_new_from_stock(GTK_STOCK_HOME);
336 g_signal_connect(G_OBJECT(item), "clicked",
337 G_CALLBACK(go_home_cb), webview);
338 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
339
340 /* URL entry */
341 item = gtk_tool_item_new();
342 gtk_tool_item_set_expand(item, TRUE);
343 gtk_widget_set_size_request(urientry, 0, 20);
344 gtk_container_add(GTK_CONTAINER(item), urientry);
345 g_signal_connect(G_OBJECT(urientry), "activate",
346 G_CALLBACK(uri_entry_cb), NULL);
347 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
348
349 /* Separator */
350 item = gtk_separator_tool_item_new();
351 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
352
353 /* Search entry */
354 item = gtk_tool_item_new();
355 gtk_widget_set_size_request(search, 150, 20);
356 gtk_container_add(GTK_CONTAINER(item), search);
357 g_signal_connect(G_OBJECT(search), "activate",
358 G_CALLBACK(search_entry_cb), NULL);
359 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
360
361 /* The Fullscreen button */
362 item = gtk_tool_button_new_from_stock(GTK_STOCK_FULLSCREEN);
363 g_signal_connect(G_OBJECT(item), "clicked",
364 G_CALLBACK(fullscreen_cb), NULL);
365 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
366
367 return toolbar;
368 }
369
370 /* Main window */
371 static GtkWidget*
372 create_window(WebKitWebView** newwebview)
373 {
374 GtkWidget* window;
375 GtkWidget *urientry;
376 GtkWidget *search;
377
378 g_atomic_int_inc(&count);
379
380 /* Default TazWeb window */
381 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
382 gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
383 gtk_window_set_icon(GTK_WINDOW(window),
384 create_pixbuf("/usr/share/pixmaps/tazweb.png"));
385 gtk_widget_set_name(window, "TazWeb");
386 g_signal_connect(window, "destroy", G_CALLBACK(destroy_cb), NULL);
387
388 /* Webview and widgets */
389 webview = WEBKIT_WEB_VIEW(webkit_web_view_new());
390 urientry = gtk_entry_new();
391 search = gtk_entry_new();
392 vbox = gtk_vbox_new(FALSE, 0);
393
394 /* Pack box and container */
395 gtk_box_pack_start(GTK_BOX(vbox),
396 create_browser(window, urientry, search, webview), TRUE, TRUE, 0);
397 gtk_box_pack_start(GTK_BOX(vbox),
398 create_toolbar(urientry, search, webview), FALSE, FALSE, 0);
399 gtk_container_add(GTK_CONTAINER(window), vbox);
400
401 if (newwebview)
402 *newwebview = webview;
403
404 return window;
405 }
406
407 int
408 main(int argc, char* argv[])
409 {
410 WebKitWebView *webView;
411
412 gtk_init(NULL, NULL);
413 if (!g_thread_supported())
414 g_thread_init(NULL);
415
416 /* Get a default home.html if missing */
417 if (! g_file_test(CONFIG, G_FILE_TEST_EXISTS))
418 system("cp -r /usr/share/tazweb $HOME/.config/tazweb");
419
420 /* Load the start page file or the url in argument */
421 uri =(char*)(argc > 1 ? argv[1] : START);
422 if (argv[1])
423 check_requested_uri();
424
425 mainwindow = create_window(&webview);
426
427 gtk_widget_show_all(mainwindow);
428 webkit_web_view_load_uri(webview, uri);
429 gtk_widget_grab_focus(GTK_WIDGET(webview));
430 gtk_main();
431
432 return 0;
433 }