tazweb annotate src/main.c @ rev 85

Do NOT place spaces between control statements and their parentheses (follow webkit coding style)
author Christophe Lincoln <pankso@slitaz.org>
date Wed Apr 27 00:14:00 2011 +0200 (2011-04-27)
parents c32ca77dcded
children bf2ff0574080
rev   line source
pankso@2 1 /*
paul@42 2 * TazWeb is a radically simple web browser providing a single window
pankso@61 3 * with a single toolbar with buttons, an URL entry and search as well
pankso@74 4 * as a contextual menu, but no menu bar or tabs. Commented line code
pankso@74 5 * starts with // and comments are between * *
pankso@44 6 *
pankso@85 7 * Copyright(C) 2011 SliTaz GNU/Linux - BSD License
pankso@61 8 * See AUTHORS and LICENSE for detailed information
pankso@61 9 *
pankso@2 10 */
pankso@2 11
pankso@2 12 #include <gtk/gtk.h>
pankso@2 13 #include <webkit/webkit.h>
pankso@2 14
pankso@85 15 #define CONFIG g_strdup_printf("%s/.config/tazweb", g_get_home_dir())
pankso@68 16 #define START "file:///usr/share/webhome/index.html"
pankso@61 17
pankso@76 18 /* Needs AppleWebKit/531.2+ to handle all sites ? */
pankso@85 19 static gchar *useragent = "TazWeb (X11; SliTaz GNU/Linux; U; en_US)";
pankso@76 20
pankso@85 21 static GtkWidget* create_window(WebKitWebView** newwebview);
pankso@81 22 static GtkWidget *mainwindow, *vbox, *browser, *toolbar;
pankso@83 23 static WebKitWebView *webview;
pankso@55 24 static WebKitWebFrame* frame;
pankso@79 25 static gint count = 0;
pankso@52 26 const gchar* uri;
pankso@50 27
pankso@50 28 /* Create an icon */
pankso@50 29 static GdkPixbuf*
pankso@85 30 create_pixbuf(const gchar* image)
pankso@50 31 {
pankso@50 32 GdkPixbuf *pixbuf;
pankso@85 33 pixbuf = gdk_pixbuf_new_from_file(image, NULL);
pankso@50 34 return pixbuf;
pankso@50 35 }
pankso@50 36
pankso@65 37 /* Can be: http://hg.slitaz.org or hg.slitaz.org */
pankso@65 38 static void
pankso@85 39 check_requested_uri()
pankso@65 40 {
pankso@85 41 uri = g_strrstr(uri, "://") ? g_strdup(uri)
pankso@85 42 : g_strdup_printf("http://%s", uri);
pankso@65 43 }
pankso@65 44
pankso@80 45 /* Update title */
pankso@63 46 static void
pankso@85 47 update_title(GtkWindow* window, WebKitWebView* webview)
pankso@63 48 {
pankso@81 49 GString *string;
pankso@81 50 gdouble progress;
pankso@81 51 gchar *title;
pankso@81 52
pankso@85 53 string = g_string_new(webkit_web_view_get_title(webview));
pankso@85 54 progress = webkit_web_view_get_progress(webview) * 100;
pankso@81 55 if (progress < 100)
pankso@85 56 g_string_append_printf(string, " [ %f%% ] ", progress);
pankso@81 57
pankso@85 58 title = g_string_free(string, FALSE);
pankso@85 59 gtk_window_set_title(window, title);
pankso@85 60 g_free(title);
pankso@2 61 }
pankso@2 62
pankso@63 63 /* Get the page title */
pankso@2 64 static void
pankso@85 65 notify_title_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* window)
pankso@2 66 {
pankso@85 67 update_title(GTK_WINDOW(window), webview);
pankso@2 68 }
pankso@2 69
pankso@2 70 /* Request progress in window title */
pankso@2 71 static void
pankso@85 72 notify_progress_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* window)
pankso@2 73 {
pankso@85 74 update_title(GTK_WINDOW(window), webview);
pankso@2 75 }
pankso@2 76
pankso@63 77 /* Notify loader and url entry */
pankso@2 78 static void
pankso@85 79 notify_load_status_cb(WebKitWebView* webview, GParamSpec* pspec, GtkWidget* urientry)
pankso@33 80 {
pankso@85 81 if (webkit_web_view_get_load_status(webview) == WEBKIT_LOAD_COMMITTED) {
pankso@85 82 frame = webkit_web_view_get_main_frame(webview);
pankso@85 83 uri = webkit_web_frame_get_uri(frame);
pankso@51 84 if (uri)
pankso@85 85 gtk_entry_set_text(GTK_ENTRY(urientry), uri);
pankso@81 86 }
pankso@33 87 }
pankso@33 88
pankso@79 89 /* Destroy the window */
pankso@33 90 static void
pankso@85 91 destroy_cb(GtkWidget* widget, GtkWindow* window)
pankso@2 92 {
pankso@85 93 if (g_atomic_int_dec_and_test(&count))
pankso@85 94 gtk_main_quit();
pankso@2 95 }
pankso@2 96
pankso@57 97 /* Show page source */
pankso@55 98 static void
pankso@85 99 view_source_cb(GtkWidget* widget, WebKitWebView* webview)
pankso@55 100 {
pankso@55 101 gboolean source;
pankso@55 102
pankso@85 103 frame = webkit_web_view_get_main_frame(webview);
pankso@85 104 uri = webkit_web_frame_get_uri(frame);
pankso@85 105 source = webkit_web_view_get_view_source_mode(webview);
pankso@55 106
pankso@85 107 webkit_web_view_set_view_source_mode(webview, !source);
pankso@85 108 webkit_web_view_reload(webview);
pankso@57 109 }
pankso@55 110
pankso@52 111 /* URL entry callback function */
pankso@14 112 static void
pankso@85 113 uri_entry_cb(GtkWidget* urientry, WebKitWebView* webview)
pankso@14 114 {
pankso@85 115 uri = gtk_entry_get_text(GTK_ENTRY(urientry));
pankso@85 116 g_assert(uri);
pankso@85 117 check_requested_uri();
pankso@85 118 webkit_web_view_load_uri(webview, uri);
pankso@14 119 }
pankso@14 120
pankso@52 121 /* Search entry callback function */
pankso@35 122 static void
pankso@85 123 search_entry_cb(GtkWidget* search, WebKitWebView* webview)
pankso@35 124 {
pankso@85 125 uri = g_strdup_printf("http://www.google.com/search?q=%s",
pankso@85 126 gtk_entry_get_text(GTK_ENTRY(search)));
pankso@85 127 g_assert(uri);
pankso@85 128 webkit_web_view_load_uri(webview, uri);
pankso@52 129 }
pankso@52 130
pankso@83 131 /* Navigation button function */
pankso@52 132 static void
pankso@85 133 go_home_cb(GtkWidget* widget, WebKitWebView* webview)
pankso@52 134 {
pankso@85 135 uri = g_strdup_printf("file://%s/home.html", CONFIG);
pankso@85 136 g_assert(uri);
pankso@85 137 webkit_web_view_load_uri(webview, uri);
pankso@35 138 }
pankso@35 139
pankso@69 140 static void
pankso@85 141 go_back_cb(GtkWidget* widget, WebKitWebView* webview)
pankso@69 142 {
pankso@85 143 webkit_web_view_go_back(webview);
pankso@69 144 }
pankso@69 145
pankso@69 146 static void
pankso@85 147 go_forward_cb(GtkWidget* widget, WebKitWebView* webview)
pankso@69 148 {
pankso@85 149 webkit_web_view_go_forward(webview);
pankso@69 150 }
pankso@69 151
pankso@52 152 /* Fullscreen and unfullscreen callback function */
pankso@44 153 static void
pankso@85 154 fullscreen_cb(GtkWindow* window, gpointer data)
pankso@22 155 {
pankso@51 156 GdkWindowState state;
pankso@85 157 state = gdk_window_get_state(gtk_widget_get_window(GTK_WIDGET(mainwindow)));
pankso@22 158
pankso@85 159 if(state & GDK_WINDOW_STATE_FULLSCREEN)
pankso@85 160 gtk_window_unfullscreen(GTK_WINDOW(mainwindow));
pankso@51 161 else
pankso@85 162 gtk_window_fullscreen(GTK_WINDOW(mainwindow));
pankso@22 163 }
pankso@22 164
pankso@52 165 /* TazWeb doc callback function */
pankso@14 166 static void
pankso@85 167 tazweb_doc_cb(GtkWidget* widget, WebKitWebView *webview)
pankso@14 168 {
pankso@85 169 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
pankso@85 170 g_assert(uri);
pankso@85 171 webkit_web_view_load_uri(webview, uri);
pankso@14 172 }
pankso@14 173
pankso@44 174 /* Download function */
pankso@44 175 static gboolean
pankso@85 176 download_requested_cb(WebKitWebView *webview, WebKitDownload *download,
pankso@51 177 gpointer user_data)
pankso@44 178 {
pankso@85 179 uri = webkit_download_get_uri(download);
pankso@66 180 const gchar* buffer;
pankso@85 181 asprintf(&buffer,
pankso@81 182 "xterm -T 'Download' -geom 72x10+0-24 -e \
pankso@81 183 'cd $HOME/Downloads && wget -c %s; sleep 2' &", uri);
pankso@85 184 system(buffer);
pankso@44 185 }
pankso@44 186
paul@72 187 /* Zoom out and in callback function */
pankso@60 188 static void
pankso@85 189 zoom_out_cb(GtkWidget *widget, WebKitWebView* webview)
pankso@60 190 {
pankso@85 191 webkit_web_view_zoom_out(webview);
pankso@60 192 }
pankso@60 193
pankso@60 194 static void
pankso@85 195 zoom_in_cb(GtkWidget *widget, WebKitWebView* webview)
pankso@60 196 {
pankso@85 197 webkit_web_view_zoom_in(webview);
pankso@60 198 }
pankso@60 199
pankso@79 200 /* New webview clallbacks */
pankso@79 201 static WebKitWebView*
pankso@85 202 create_web_view_cb(WebKitWebView* webview, WebKitWebFrame* web_frame,
pankso@79 203 GtkWidget* window)
pankso@79 204 {
pankso@79 205 WebKitWebView *newview;
pankso@85 206 create_window(&newview);
pankso@79 207 return newview;
pankso@79 208 }
pankso@79 209
pankso@79 210 static gboolean
pankso@85 211 webview_ready_cb(WebKitWebView* webview, GtkWidget* window)
pankso@79 212 {
pankso@85 213 gtk_widget_grab_focus(GTK_WIDGET(webview));
pankso@85 214 gtk_widget_show_all(window);
pankso@79 215 return FALSE;
pankso@79 216 }
pankso@79 217
pankso@79 218 static gboolean
pankso@85 219 close_webview_cb(WebKitWebView* webview, GtkWidget* window)
pankso@79 220 {
pankso@85 221 gtk_widget_destroy(window);
pankso@79 222 return TRUE;
pankso@79 223 }
pankso@79 224
pankso@57 225 /* Add items to WebKit contextual menu */
pankso@57 226 static void
pankso@85 227 populate_menu_cb(WebKitWebView *webview, GtkMenu *menu, gpointer data)
pankso@57 228 {
pankso@66 229 GtkWidget* item;
pankso@57 230
pankso@65 231 /* Separator */
pankso@85 232 item = gtk_separator_menu_item_new();
pankso@85 233 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@59 234
pankso@60 235 /* Zoom in */
pankso@85 236 item = gtk_image_menu_item_new_with_label("Zoom in");
pankso@85 237 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
pankso@85 238 gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
pankso@85 239 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@85 240 g_signal_connect(item, "activate", G_CALLBACK(zoom_in_cb), webview);
pankso@60 241
pankso@60 242 /* Zoom out */
pankso@85 243 item = gtk_image_menu_item_new_with_label("Zoom out");
pankso@85 244 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
pankso@85 245 gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
pankso@85 246 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@85 247 g_signal_connect(item, "activate", G_CALLBACK(zoom_out_cb), webview);
pankso@60 248
pankso@65 249 /* Separator */
pankso@85 250 item = gtk_separator_menu_item_new();
pankso@85 251 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@60 252
pankso@59 253 /* TazWeb documentation */
pankso@85 254 item = gtk_image_menu_item_new_with_label("TazWeb manual");
pankso@85 255 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
pankso@85 256 gtk_image_new_from_stock(GTK_STOCK_INFO, GTK_ICON_SIZE_MENU));
pankso@85 257 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@85 258 g_signal_connect(item, "activate", G_CALLBACK(tazweb_doc_cb), webview);
pankso@59 259
pankso@57 260 /* View source mode */
pankso@85 261 item = gtk_image_menu_item_new_with_label("View source mode");
pankso@85 262 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
pankso@85 263 gtk_image_new_from_stock(GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
pankso@85 264 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@85 265 g_signal_connect(item, "activate", G_CALLBACK(view_source_cb), webview);
pankso@57 266
pankso@85 267 gtk_widget_show_all(GTK_WIDGET(menu));
pankso@57 268 }
pankso@57 269
pankso@74 270 /* Scrolled window for the webview */
pankso@2 271 static GtkWidget*
pankso@85 272 create_browser(GtkWidget* window, GtkWidget* urientry, GtkWidget* search,
pankso@82 273 WebKitWebView* webview)
pankso@2 274 {
pankso@76 275 WebKitWebSettings *settings;
pankso@76 276
pankso@85 277 browser = gtk_scrolled_window_new(NULL, NULL);
pankso@85 278 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(browser),
pankso@51 279 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
pankso@2 280
pankso@85 281 gtk_container_add(GTK_CONTAINER(browser), GTK_WIDGET(webview));
pankso@76 282
pankso@76 283 /* User agent */
pankso@85 284 settings = webkit_web_view_get_settings (webview);
pankso@85 285 g_object_set (G_OBJECT (settings), "user-agent", useragent, NULL);
pankso@2 286
pankso@74 287 /* Connect WebKit events */
pankso@85 288 g_signal_connect(webview, "notify::title",
pankso@85 289 G_CALLBACK(notify_title_cb), window);
pankso@85 290 g_signal_connect(webview, "notify::progress",
pankso@85 291 G_CALLBACK(notify_progress_cb), window);
pankso@85 292 g_signal_connect(webview, "notify::load-status",
pankso@85 293 G_CALLBACK(notify_load_status_cb), urientry);
pankso@85 294 g_signal_connect(webview, "download-requested",
pankso@85 295 G_CALLBACK(download_requested_cb), NULL);
pankso@85 296 g_signal_connect(webview, "create-web-view",
pankso@85 297 G_CALLBACK(create_web_view_cb), window);
pankso@85 298 g_signal_connect(webview, "web-view-ready",
pankso@85 299 G_CALLBACK(webview_ready_cb), window);
pankso@85 300 g_signal_connect(webview, "close-web-view",
pankso@85 301 G_CALLBACK(close_webview_cb), window);
pankso@2 302
pankso@57 303 /* Connect WebKit contextual menu items */
pankso@85 304 g_object_connect(G_OBJECT(webview), "signal::populate-popup",
pankso@85 305 G_CALLBACK(populate_menu_cb), webview, NULL);
pankso@57 306
pankso@76 307 return browser;
pankso@2 308 }
pankso@2 309
pankso@63 310 static GtkWidget*
pankso@85 311 create_toolbar(GtkWidget* urientry, GtkWidget* search, WebKitWebView* webview)
pankso@14 312 {
pankso@51 313 GtkToolItem* item;
pankso@74 314
pankso@85 315 toolbar = gtk_toolbar_new();
pankso@85 316 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar),
pankso@51 317 GTK_ORIENTATION_HORIZONTAL);
pankso@85 318 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar),
pankso@51 319 GTK_TOOLBAR_BOTH_HORIZ);
pankso@14 320
pankso@69 321 /* The back button */
pankso@85 322 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
pankso@85 323 g_signal_connect(G_OBJECT(item), "clicked",
pankso@85 324 G_CALLBACK(go_back_cb), webview);
pankso@85 325 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@69 326
pankso@69 327 /* The forward button */
pankso@85 328 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_FORWARD);
pankso@85 329 g_signal_connect(G_OBJECT(item), "clicked",
pankso@85 330 G_CALLBACK(go_forward_cb), webview);
pankso@85 331 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@69 332
pankso@70 333 /* Home button */
pankso@85 334 item = gtk_tool_button_new_from_stock(GTK_STOCK_HOME);
pankso@85 335 g_signal_connect(G_OBJECT(item), "clicked",
pankso@85 336 G_CALLBACK(go_home_cb), webview);
pankso@85 337 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@70 338
pankso@57 339 /* URL entry */
pankso@85 340 item = gtk_tool_item_new();
pankso@85 341 gtk_tool_item_set_expand(item, TRUE);
pankso@85 342 gtk_widget_set_size_request(urientry, 0, 20);
pankso@85 343 gtk_container_add(GTK_CONTAINER(item), urientry);
pankso@85 344 g_signal_connect(G_OBJECT(urientry), "activate",
pankso@85 345 G_CALLBACK(uri_entry_cb), webview);
pankso@85 346 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@54 347
pankso@54 348 /* Separator */
pankso@85 349 item = gtk_separator_tool_item_new();
pankso@85 350 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@52 351
pankso@57 352 /* Search entry */
pankso@85 353 item = gtk_tool_item_new();
pankso@85 354 gtk_widget_set_size_request(search, 150, 20);
pankso@85 355 gtk_container_add(GTK_CONTAINER(item), search);
pankso@85 356 g_signal_connect(G_OBJECT(search), "activate",
pankso@85 357 G_CALLBACK(search_entry_cb), webview);
pankso@85 358 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@35 359
pankso@51 360 /* The Fullscreen button */
pankso@85 361 item = gtk_tool_button_new_from_stock(GTK_STOCK_FULLSCREEN);
pankso@85 362 g_signal_connect(G_OBJECT(item), "clicked",
pankso@85 363 G_CALLBACK(fullscreen_cb), NULL);
pankso@85 364 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@51 365
pankso@51 366 return toolbar;
pankso@14 367 }
pankso@14 368
pankso@58 369 /* Main window */
pankso@2 370 static GtkWidget*
pankso@85 371 create_window(WebKitWebView** newwebview)
pankso@2 372 {
pankso@81 373 GtkWidget* window;
pankso@82 374 GtkWidget *urientry;
pankso@82 375 GtkWidget *search;
pankso@82 376
pankso@85 377 g_atomic_int_inc(&count);
pankso@63 378
pankso@81 379 /* Default TazWeb window */
pankso@85 380 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
pankso@85 381 gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
pankso@85 382 gtk_window_set_icon(GTK_WINDOW(window),
pankso@85 383 create_pixbuf("/usr/share/pixmaps/tazweb.png"));
pankso@85 384 gtk_widget_set_name(window, "TazWeb");
pankso@85 385 g_signal_connect(window, "destroy", G_CALLBACK(destroy_cb), NULL);
pankso@63 386
pankso@81 387 /* Webview and widgets */
pankso@85 388 webview = WEBKIT_WEB_VIEW(webkit_web_view_new());
pankso@85 389 urientry = gtk_entry_new();
pankso@85 390 search = gtk_entry_new();
pankso@85 391 vbox = gtk_vbox_new(FALSE, 0);
pankso@81 392
pankso@64 393 /* Pack box and container */
pankso@85 394 gtk_box_pack_start(GTK_BOX(vbox),
pankso@85 395 create_browser(window, urientry, search, webview), TRUE, TRUE, 0);
pankso@85 396 gtk_box_pack_start(GTK_BOX(vbox),
pankso@85 397 create_toolbar(urientry, search, webview), FALSE, FALSE, 0);
pankso@85 398 gtk_container_add(GTK_CONTAINER(window), vbox);
pankso@81 399
pankso@79 400 if (newwebview)
pankso@79 401 *newwebview = webview;
pankso@79 402
pankso@68 403 return window;
pankso@2 404 }
pankso@2 405
pankso@2 406 int
pankso@85 407 main(int argc, char* argv[])
pankso@2 408 {
pankso@85 409 gtk_init(NULL, NULL);
pankso@85 410 if (!g_thread_supported())
pankso@85 411 g_thread_init(NULL);
pankso@2 412
pankso@64 413 /* Get a default home.html if missing */
pankso@85 414 if (! g_file_test(CONFIG, G_FILE_TEST_EXISTS))
pankso@85 415 system("cp -r /usr/share/tazweb $HOME/.config/tazweb");
pankso@64 416
pankso@64 417 /* Load the start page file or the url in argument */
pankso@85 418 uri =(char*)(argc > 1 ? argv[1] : START);
pankso@65 419 if (argv[1])
pankso@85 420 check_requested_uri();
pankso@68 421
pankso@85 422 mainwindow = create_window(&webview);
pankso@81 423
pankso@85 424 gtk_widget_show_all(mainwindow);
pankso@85 425 webkit_web_view_load_uri(webview, uri);
pankso@85 426 gtk_widget_grab_focus(GTK_WIDGET(webview));
pankso@85 427 gtk_main();
pankso@74 428
pankso@51 429 return 0;
pankso@2 430 }