tazweb annotate src/main.c @ rev 75

No space before function(argument)
author Christophe Lincoln <pankso@slitaz.org>
date Sun Apr 24 00:12:47 2011 +0200 (2011-04-24)
parents 22ccdae2c559
children dd5c73a60acc
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@75 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@75 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@75 18 /* Colors(Loader: #d66018 #7b705c) */
pankso@74 19 static gchar *loadfg = "#351a0a";
pankso@74 20 static gchar *toolbarbg = "#f1efeb";
pankso@63 21
pankso@74 22 static gchar* pagetitle;
pankso@74 23 static gchar* title;
pankso@74 24 static GtkWidget *mainwindow, *scrolled, *loader, *toolbar;
pankso@74 25 static GtkWidget *urientry, *search;
pankso@74 26 static WebKitWebView* webview;
pankso@55 27 static WebKitWebFrame* frame;
pankso@73 28 static gint progress;
pankso@52 29 const gchar* uri;
pankso@50 30
pankso@50 31 /* Create an icon */
pankso@50 32 static GdkPixbuf*
pankso@75 33 create_pixbuf(const gchar* image)
pankso@50 34 {
pankso@50 35 GdkPixbuf *pixbuf;
pankso@75 36 pixbuf = gdk_pixbuf_new_from_file(image, NULL);
pankso@50 37 return pixbuf;
pankso@50 38 }
pankso@50 39
pankso@65 40 /* Can be: http://hg.slitaz.org or hg.slitaz.org */
pankso@65 41 static void
pankso@75 42 check_requested_uri()
pankso@65 43 {
pankso@75 44 uri = g_strrstr(uri, "://") ? g_strdup(uri)
pankso@75 45 : g_strdup_printf("http://%s", uri);
pankso@65 46 }
pankso@65 47
pankso@63 48 /* Loader area */
pankso@2 49 static void
pankso@75 50 draw_loader()
pankso@2 51 {
pankso@73 52 GdkGC* gc;
pankso@63 53 GdkColor fg;
pankso@73 54 gint width;
pankso@63 55
pankso@75 56 gc = gdk_gc_new(loader->window);
pankso@73 57 width = progress * loader->allocation.width / 100;
pankso@63 58
pankso@75 59 gdk_color_parse(loadfg, &fg);
pankso@75 60 gdk_gc_set_rgb_fg_color(gc, &fg);
pankso@75 61 gdk_draw_rectangle(loader->window,
pankso@75 62 loader->style->bg_gc [GTK_WIDGET_STATE(loader)],
pankso@63 63 TRUE, 0, 0, loader->allocation.width, loader->allocation.height);
pankso@75 64 gdk_draw_rectangle(loader->window, gc, TRUE, 0, 0, width,
pankso@63 65 loader->allocation.height);
pankso@75 66 g_object_unref(gc);
pankso@63 67 }
pankso@63 68
pankso@64 69 /* Loader progress */
pankso@64 70 static gboolean
pankso@75 71 expose_loader_cb(GtkWidget *loader, GdkEventExpose *event, gpointer data)
pankso@64 72 {
pankso@75 73 draw_loader();
pankso@64 74 return TRUE;
pankso@64 75 }
pankso@64 76
pankso@63 77 /* Update title and loader */
pankso@63 78 static void
pankso@75 79 update()
pankso@63 80 {
pankso@75 81 title = g_strdup(pagetitle);
pankso@75 82 if(! pagetitle)
pankso@75 83 title = g_strdup_printf("Unknow - TazWeb", pagetitle);
pankso@75 84 draw_loader();
pankso@75 85 gtk_window_set_title(GTK_WINDOW(mainwindow), title);
pankso@75 86 g_free(title);
pankso@2 87 }
pankso@2 88
pankso@63 89 /* Get the page title */
pankso@2 90 static void
pankso@75 91 notify_title_cb(WebKitWebView* webview, GParamSpec* pspec, gpointer data)
pankso@2 92 {
pankso@75 93 pagetitle = g_strdup(webkit_web_view_get_title(webview));
pankso@75 94 update();
pankso@2 95 }
pankso@2 96
pankso@2 97 /* Request progress in window title */
pankso@2 98 static void
pankso@75 99 notify_progress_cb(WebKitWebView* webview, GParamSpec* pspec, gpointer data)
pankso@2 100 {
pankso@75 101 progress = webkit_web_view_get_progress(webview) * 100;
pankso@75 102 update();
pankso@2 103 }
pankso@2 104
pankso@63 105 /* Notify loader and url entry */
pankso@2 106 static void
pankso@75 107 notify_load_status_cb(WebKitWebView* webview, GParamSpec* pspec, gpointer data)
pankso@33 108 {
pankso@75 109 switch(webkit_web_view_get_load_status(webview))
pankso@63 110 {
pankso@63 111 case WEBKIT_LOAD_COMMITTED:
pankso@63 112 break;
pankso@63 113 case WEBKIT_LOAD_FINISHED:
pankso@63 114 progress = 0;
pankso@75 115 update();
pankso@63 116 break;
pankso@63 117 }
pankso@75 118 frame = webkit_web_view_get_main_frame(webview);
pankso@75 119 uri = webkit_web_frame_get_uri(frame);
pankso@51 120 if (uri)
pankso@75 121 gtk_entry_set_text(GTK_ENTRY(urientry), uri);
pankso@33 122 }
pankso@33 123
pankso@33 124 static void
pankso@75 125 destroy_cb(GtkWidget* widget, GtkWindow* window)
pankso@2 126 {
pankso@75 127 gtk_main_quit();
pankso@2 128 }
pankso@2 129
pankso@57 130 /* Show page source */
pankso@55 131 static void
pankso@75 132 view_source_cb()
pankso@55 133 {
pankso@55 134 gboolean source;
pankso@55 135
pankso@75 136 frame = webkit_web_view_get_main_frame(webview);
pankso@75 137 uri = webkit_web_frame_get_uri(frame);
pankso@75 138 source = webkit_web_view_get_view_source_mode(webview);
pankso@55 139
pankso@74 140 webkit_web_view_set_view_source_mode(webview, !source);
pankso@75 141 webkit_web_view_load_uri(webview, uri);
pankso@57 142 }
pankso@55 143
pankso@52 144 /* URL entry callback function */
pankso@14 145 static void
pankso@75 146 uri_entry_cb(GtkWidget* entry, gpointer data)
pankso@14 147 {
pankso@75 148 uri = gtk_entry_get_text(GTK_ENTRY(entry));
pankso@75 149 g_assert(uri);
pankso@75 150 check_requested_uri();
pankso@75 151 webkit_web_view_load_uri(webview, uri);
pankso@14 152 }
pankso@14 153
pankso@52 154 /* Search entry callback function */
pankso@35 155 static void
pankso@75 156 search_entry_cb(GtkWidget* entry, gpointer data)
pankso@35 157 {
pankso@75 158 uri = g_strdup_printf("http://www.google.com/search?q=%s",
pankso@75 159 gtk_entry_get_text(GTK_ENTRY(entry)));
pankso@75 160 g_assert(uri);
pankso@75 161 webkit_web_view_load_uri(webview, uri);
pankso@52 162 }
pankso@52 163
pankso@52 164 /* Home button callback function */
pankso@52 165 static void
pankso@75 166 go_home_cb(GtkWidget* widget, gpointer data)
pankso@52 167 {
pankso@75 168 uri = g_strdup_printf("file://%s/home.html", CONFIG);
pankso@75 169 g_assert(uri);
pankso@75 170 webkit_web_view_load_uri(webview, uri);
pankso@35 171 }
pankso@35 172
pankso@69 173 /* Navigation button function */
pankso@69 174 static void
pankso@75 175 go_back_cb(GtkWidget* widget, gpointer data)
pankso@69 176 {
pankso@75 177 webkit_web_view_go_back(webview);
pankso@69 178 }
pankso@69 179
pankso@69 180 static void
pankso@75 181 go_forward_cb(GtkWidget* widget, gpointer data)
pankso@69 182 {
pankso@75 183 webkit_web_view_go_forward(webview);
pankso@69 184 }
pankso@69 185
pankso@52 186 /* Fullscreen and unfullscreen callback function */
pankso@44 187 static void
pankso@75 188 fullscreen_cb(GtkWindow* window, gpointer data)
pankso@22 189 {
pankso@51 190 GdkWindowState state;
pankso@75 191 state = gdk_window_get_state(gtk_widget_get_window(GTK_WIDGET(mainwindow)));
pankso@22 192
pankso@75 193 if(state & GDK_WINDOW_STATE_FULLSCREEN)
pankso@75 194 gtk_window_unfullscreen(GTK_WINDOW(mainwindow));
pankso@51 195 else
pankso@75 196 gtk_window_fullscreen(GTK_WINDOW(mainwindow));
pankso@22 197 }
pankso@22 198
pankso@52 199 /* TazWeb doc callback function */
pankso@14 200 static void
pankso@75 201 tazweb_doc_cb(GtkWidget* widget, gpointer data)
pankso@14 202 {
pankso@52 203 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
pankso@75 204 g_assert(uri);
pankso@75 205 webkit_web_view_load_uri(webview, uri);
pankso@14 206 }
pankso@14 207
pankso@44 208 /* Download function */
pankso@44 209 static gboolean
pankso@75 210 download_requested_cb(WebKitWebView *webview, WebKitDownload *download,
pankso@51 211 gpointer user_data)
pankso@44 212 {
pankso@75 213 uri = webkit_download_get_uri(download);
pankso@66 214 const gchar* buffer;
pankso@75 215 asprintf(&buffer,
pankso@67 216 "xterm -T 'Download' -geom 72x10+0-24 -e 'cd $HOME/Downloads && \
pankso@67 217 wget -c %s; sleep 2' &", uri);
pankso@75 218 system(buffer);
pankso@44 219 }
pankso@44 220
paul@72 221 /* Zoom out and in callback function */
pankso@60 222 static void
pankso@75 223 zoom_out_cb(GtkWidget *mainwindow)
pankso@60 224 {
pankso@75 225 webkit_web_view_zoom_out(webview);
pankso@60 226 }
pankso@60 227
pankso@60 228 static void
pankso@75 229 zoom_in_cb(GtkWidget *mainwindow)
pankso@60 230 {
pankso@75 231 webkit_web_view_zoom_in(webview);
pankso@60 232 }
pankso@60 233
pankso@57 234 /* Add items to WebKit contextual menu */
pankso@57 235 static void
pankso@75 236 populate_menu_cb(WebKitWebView *webview, GtkMenu *menu, gpointer data)
pankso@57 237 {
pankso@66 238 GtkWidget* item;
pankso@57 239
pankso@65 240 /* Separator */
pankso@75 241 item = gtk_separator_menu_item_new();
pankso@75 242 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@59 243
pankso@60 244 /* Zoom in */
pankso@75 245 item = gtk_image_menu_item_new_with_label("Zoom in");
pankso@75 246 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
pankso@75 247 gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
pankso@75 248 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@75 249 g_signal_connect(item, "activate", G_CALLBACK(zoom_in_cb), NULL);
pankso@60 250
pankso@60 251 /* Zoom out */
pankso@75 252 item = gtk_image_menu_item_new_with_label("Zoom out");
pankso@75 253 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
pankso@75 254 gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
pankso@75 255 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@75 256 g_signal_connect(item, "activate", G_CALLBACK(zoom_out_cb), NULL);
pankso@60 257
pankso@65 258 /* Separator */
pankso@75 259 item = gtk_separator_menu_item_new();
pankso@75 260 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@60 261
pankso@59 262 /* TazWeb documentation */
pankso@75 263 item = gtk_image_menu_item_new_with_label("TazWeb manual");
pankso@75 264 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
pankso@75 265 gtk_image_new_from_stock(GTK_STOCK_INFO, GTK_ICON_SIZE_MENU));
pankso@75 266 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@75 267 g_signal_connect(item, "activate", G_CALLBACK(tazweb_doc_cb), NULL);
pankso@59 268
pankso@57 269 /* View source mode */
pankso@75 270 item = gtk_image_menu_item_new_with_label("View source mode");
pankso@75 271 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
pankso@75 272 gtk_image_new_from_stock(GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
pankso@75 273 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
pankso@75 274 g_signal_connect(item, "activate", G_CALLBACK(view_source_cb), NULL);
pankso@57 275
pankso@75 276 gtk_widget_show_all(GTK_WIDGET(menu));
pankso@57 277 }
pankso@57 278
pankso@68 279 /* Open in a new window from menu */
pankso@68 280 static WebKitWebView*
pankso@75 281 create_web_view_cb(WebKitWebView* webview, GtkWidget* window)
pankso@68 282 {
pankso@75 283 return WEBKIT_WEB_VIEW(webview);
pankso@68 284 }
pankso@68 285
pankso@74 286 /* Scrolled window for the webview */
pankso@2 287 static GtkWidget*
pankso@75 288 create_browser()
pankso@2 289 {
pankso@75 290 scrolled = gtk_scrolled_window_new(NULL, NULL);
pankso@75 291 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
pankso@51 292 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
pankso@2 293
pankso@75 294 webview = WEBKIT_WEB_VIEW(webkit_web_view_new());
pankso@75 295 gtk_container_add(GTK_CONTAINER(scrolled), GTK_WIDGET(webview));
pankso@2 296
pankso@74 297 /* Connect WebKit events */
pankso@75 298 g_signal_connect(webview, "notify::title",
pankso@75 299 G_CALLBACK(notify_title_cb), webview);
pankso@75 300 g_signal_connect(webview, "notify::progress",
pankso@75 301 G_CALLBACK(notify_progress_cb), webview);
pankso@75 302 g_signal_connect(webview, "notify::load-status",
pankso@75 303 G_CALLBACK(notify_load_status_cb), webview);
pankso@75 304 g_signal_connect(webview, "download-requested",
pankso@75 305 G_CALLBACK(download_requested_cb), NULL);
pankso@75 306 g_signal_connect(webview, "create-web-view",
pankso@75 307 G_CALLBACK(create_web_view_cb), webview);
pankso@2 308
pankso@57 309 /* Connect WebKit contextual menu items */
pankso@75 310 g_object_connect(G_OBJECT(webview), "signal::populate-popup",
pankso@75 311 G_CALLBACK(populate_menu_cb), webview, NULL);
pankso@57 312
pankso@58 313 return scrolled;
pankso@2 314 }
pankso@2 315
pankso@63 316 /* Loader area */
pankso@63 317 static GtkWidget*
pankso@75 318 create_loader()
pankso@63 319 {
pankso@75 320 loader = gtk_drawing_area_new();
pankso@75 321 gtk_widget_set_size_request(loader, 0, 2);
pankso@75 322 g_signal_connect(G_OBJECT(loader), "expose_event",
pankso@75 323 G_CALLBACK(expose_loader_cb), NULL);
pankso@63 324
pankso@63 325 return loader;
pankso@63 326 }
pankso@63 327
pankso@14 328 static GtkWidget*
pankso@75 329 create_toolbar()
pankso@14 330 {
pankso@51 331 GtkToolItem* item;
pankso@74 332 GdkColor bg;
pankso@74 333
pankso@75 334 toolbar = gtk_toolbar_new();
pankso@75 335 //gtk_widget_set_size_request(toolbar, 0, 24);
pankso@75 336 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar),
pankso@51 337 GTK_ORIENTATION_HORIZONTAL);
pankso@75 338 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar),
pankso@51 339 GTK_TOOLBAR_BOTH_HORIZ);
pankso@75 340 gdk_color_parse(toolbarbg, &bg);
pankso@75 341 gtk_widget_modify_bg(toolbar, GTK_STATE_NORMAL, &bg);
pankso@14 342
pankso@69 343 /* The back button */
pankso@75 344 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
pankso@75 345 g_signal_connect(G_OBJECT(item), "clicked", G_CALLBACK(go_back_cb), NULL);
pankso@75 346 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@69 347
pankso@69 348 /* The forward button */
pankso@75 349 item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_FORWARD);
pankso@75 350 g_signal_connect(G_OBJECT(item), "clicked", G_CALLBACK(go_forward_cb), NULL);
pankso@75 351 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@69 352
pankso@70 353 /* Home button */
pankso@75 354 item = gtk_tool_button_new_from_stock(GTK_STOCK_HOME);
pankso@75 355 g_signal_connect(G_OBJECT(item), "clicked",
pankso@75 356 G_CALLBACK(go_home_cb), NULL);
pankso@75 357 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@70 358
pankso@57 359 /* URL entry */
pankso@75 360 item = gtk_tool_item_new();
pankso@75 361 gtk_tool_item_set_expand(item, TRUE);
pankso@69 362
pankso@75 363 urientry = gtk_entry_new();
pankso@75 364 gtk_widget_modify_base( GTK_WIDGET(urientry),
pankso@69 365 GTK_STATE_NORMAL, &bg);
pankso@75 366 gtk_entry_set_inner_border(GTK_ENTRY(urientry), NULL);
pankso@75 367 gtk_entry_set_has_frame(GTK_ENTRY(urientry), FALSE);
pankso@69 368
pankso@75 369 gtk_container_add(GTK_CONTAINER(item), urientry);
pankso@75 370 g_signal_connect(G_OBJECT(urientry), "activate",
pankso@75 371 G_CALLBACK(uri_entry_cb), NULL);
pankso@75 372 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@54 373
pankso@54 374 /* Separator */
pankso@75 375 item = gtk_separator_tool_item_new();
pankso@75 376 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@52 377
pankso@57 378 /* Search entry */
pankso@75 379 item = gtk_tool_item_new();
pankso@75 380 search = gtk_entry_new();
pankso@75 381 gtk_widget_set_size_request(search, 150, 20);
pankso@75 382 gtk_container_add(GTK_CONTAINER(item), search);
pankso@75 383 g_signal_connect(G_OBJECT(search), "activate",
pankso@75 384 G_CALLBACK(search_entry_cb), NULL);
pankso@75 385 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@35 386
pankso@51 387 /* The Fullscreen button */
pankso@75 388 item = gtk_tool_button_new_from_stock(GTK_STOCK_FULLSCREEN);
pankso@75 389 g_signal_connect(G_OBJECT(item), "clicked",
pankso@75 390 G_CALLBACK(fullscreen_cb), NULL);
pankso@75 391 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
pankso@51 392
pankso@51 393 return toolbar;
pankso@14 394 }
pankso@14 395
pankso@58 396 /* Main window */
pankso@2 397 static GtkWidget*
pankso@75 398 create_window()
pankso@2 399 {
pankso@75 400 GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
pankso@75 401 GtkWidget* vbox = gtk_vbox_new(FALSE, 0);
pankso@63 402
pankso@73 403 /* Default TazWeb window size ratio to 3/4 --> 720, 540 */
pankso@75 404 gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
pankso@75 405 gtk_window_set_icon(GTK_WINDOW(window),
pankso@75 406 create_pixbuf("/usr/share/pixmaps/tazweb.png"));
pankso@75 407 gtk_widget_set_name(window, "TazWeb");
pankso@75 408 g_signal_connect(window, "destroy", G_CALLBACK(destroy_cb), NULL);
pankso@63 409
pankso@64 410 /* Pack box and container */
pankso@75 411 gtk_box_pack_start(GTK_BOX(vbox), create_browser(), TRUE, TRUE, 0);
pankso@75 412 gtk_container_add(GTK_CONTAINER(vbox), create_loader());
pankso@75 413 gtk_box_set_child_packing(GTK_BOX(vbox), loader,
pankso@63 414 FALSE, FALSE, 0, GTK_PACK_START);
pankso@75 415 gtk_box_pack_start(GTK_BOX(vbox), create_toolbar(), FALSE, FALSE, 0);
pankso@75 416 gtk_container_add(GTK_CONTAINER(window), vbox);
pankso@2 417
pankso@68 418 return window;
pankso@2 419 }
pankso@2 420
pankso@2 421 int
pankso@75 422 main(int argc, char* argv[])
pankso@2 423 {
pankso@75 424 gtk_init(&argc, &argv);
pankso@75 425 if (!g_thread_supported())
pankso@75 426 g_thread_init(NULL);
pankso@2 427
pankso@64 428 /* Get a default home.html if missing */
pankso@75 429 if (! g_file_test(CONFIG, G_FILE_TEST_EXISTS))
pankso@75 430 system("cp -r /usr/share/tazweb $HOME/.config/tazweb");
pankso@64 431
pankso@64 432 /* Load the start page file or the url in argument */
pankso@75 433 uri =(char*)(argc > 1 ? argv[1] : START);
pankso@65 434 if (argv[1])
pankso@75 435 check_requested_uri();
pankso@68 436
pankso@75 437 mainwindow = create_window();
pankso@75 438 gtk_widget_show_all(mainwindow);
pankso@75 439
pankso@75 440 webkit_web_view_load_uri(webview, uri);
pankso@75 441 gtk_widget_grab_focus(GTK_WIDGET(webview));
pankso@75 442
pankso@75 443 gtk_main();
pankso@74 444
pankso@51 445 return 0;
pankso@2 446 }