tazweb annotate src/main.c @ rev 74

More consitency in code, dont use underscore in variables
author Christophe Lincoln <pankso@slitaz.org>
date Sun Apr 24 00:03:07 2011 +0200 (2011-04-24)
parents 43428bee91d4
children 27fbc3a5a826
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@63 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@68 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@74 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@66 33 create_pixbuf (const gchar* image)
pankso@50 34 {
pankso@50 35 GdkPixbuf *pixbuf;
pankso@50 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@65 42 check_requested_uri ()
pankso@65 43 {
pankso@65 44 uri = g_strrstr (uri, "://") ? g_strdup (uri)
pankso@65 45 : g_strdup_printf ("http://%s", uri);
pankso@65 46 }
pankso@65 47
pankso@63 48 /* Loader area */
pankso@2 49 static void
pankso@64 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@73 56 gc = gdk_gc_new (loader->window);
pankso@73 57 width = progress * loader->allocation.width / 100;
pankso@63 58
pankso@74 59 gdk_color_parse (loadfg, &fg);
pankso@63 60 gdk_gc_set_rgb_fg_color (gc, &fg);
pankso@63 61 gdk_draw_rectangle (loader->window,
pankso@63 62 loader->style->bg_gc [GTK_WIDGET_STATE (loader)],
pankso@63 63 TRUE, 0, 0, loader->allocation.width, loader->allocation.height);
pankso@73 64 gdk_draw_rectangle (loader->window, gc, TRUE, 0, 0, width,
pankso@63 65 loader->allocation.height);
pankso@63 66 g_object_unref (gc);
pankso@63 67 }
pankso@63 68
pankso@64 69 /* Loader progress */
pankso@64 70 static gboolean
pankso@66 71 expose_loader_cb (GtkWidget *loader, GdkEventExpose *event, gpointer data)
pankso@64 72 {
pankso@66 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@63 79 update ()
pankso@63 80 {
pankso@74 81 title = g_strdup (pagetitle);
pankso@74 82 if (! pagetitle)
pankso@74 83 title = g_strdup_printf ("Unknow - TazWeb", pagetitle);
pankso@64 84 draw_loader ();
pankso@74 85 gtk_window_set_title (GTK_WINDOW (mainwindow), title);
pankso@51 86 g_free (title);
pankso@2 87 }
pankso@2 88
pankso@63 89 /* Get the page title */
pankso@2 90 static void
pankso@74 91 notify_title_cb (WebKitWebView* webview, GParamSpec* pspec, gpointer data)
pankso@2 92 {
pankso@74 93 pagetitle = g_strdup (webkit_web_view_get_title (webview));
pankso@63 94 update ();
pankso@2 95 }
pankso@2 96
pankso@2 97 /* Request progress in window title */
pankso@2 98 static void
pankso@74 99 notify_progress_cb (WebKitWebView* webview, GParamSpec* pspec, gpointer data)
pankso@2 100 {
pankso@74 101 progress = webkit_web_view_get_progress (webview) * 100;
pankso@63 102 update ();
pankso@2 103 }
pankso@2 104
pankso@63 105 /* Notify loader and url entry */
pankso@2 106 static void
pankso@74 107 notify_load_status_cb (WebKitWebView* webview, GParamSpec* pspec, gpointer data)
pankso@33 108 {
pankso@74 109 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@63 115 update ();
pankso@63 116 break;
pankso@63 117 }
pankso@74 118 frame = webkit_web_view_get_main_frame (webview);
pankso@63 119 uri = webkit_web_frame_get_uri (frame);
pankso@51 120 if (uri)
pankso@74 121 gtk_entry_set_text (GTK_ENTRY (urientry), uri);
pankso@33 122 }
pankso@33 123
pankso@33 124 static void
pankso@67 125 destroy_cb (GtkWidget* widget, GtkWindow* window)
pankso@2 126 {
pankso@51 127 gtk_main_quit ();
pankso@2 128 }
pankso@2 129
pankso@57 130 /* Show page source */
pankso@55 131 static void
pankso@55 132 view_source_cb ()
pankso@55 133 {
pankso@55 134 gboolean source;
pankso@55 135
pankso@74 136 frame = webkit_web_view_get_main_frame (webview);
pankso@55 137 uri = webkit_web_frame_get_uri (frame);
pankso@74 138 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@74 141 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@58 146 uri_entry_cb (GtkWidget* entry, gpointer data)
pankso@14 147 {
pankso@52 148 uri = gtk_entry_get_text (GTK_ENTRY (entry));
pankso@51 149 g_assert (uri);
pankso@65 150 check_requested_uri ();
pankso@74 151 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@58 156 search_entry_cb (GtkWidget* entry, gpointer data)
pankso@35 157 {
pankso@52 158 uri = g_strdup_printf ("http://www.google.com/search?q=%s",
pankso@52 159 gtk_entry_get_text (GTK_ENTRY (entry)));
pankso@52 160 g_assert (uri);
pankso@74 161 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@52 166 go_home_cb (GtkWidget* widget, gpointer data)
pankso@52 167 {
pankso@61 168 uri = g_strdup_printf ("file://%s/home.html", CONFIG);
pankso@51 169 g_assert (uri);
pankso@74 170 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@69 175 go_back_cb (GtkWidget* widget, gpointer data)
pankso@69 176 {
pankso@74 177 webkit_web_view_go_back (webview);
pankso@69 178 }
pankso@69 179
pankso@69 180 static void
pankso@69 181 go_forward_cb (GtkWidget* widget, gpointer data)
pankso@69 182 {
pankso@74 183 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@22 188 fullscreen_cb (GtkWindow* window, gpointer data)
pankso@22 189 {
pankso@51 190 GdkWindowState state;
pankso@74 191 state = gdk_window_get_state (gtk_widget_get_window (GTK_WIDGET (mainwindow)));
pankso@22 192
pankso@51 193 if (state & GDK_WINDOW_STATE_FULLSCREEN)
pankso@74 194 gtk_window_unfullscreen (GTK_WINDOW (mainwindow));
pankso@51 195 else
pankso@74 196 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@21 201 tazweb_doc_cb (GtkWidget* widget, gpointer data)
pankso@14 202 {
pankso@52 203 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
pankso@51 204 g_assert (uri);
pankso@74 205 webkit_web_view_load_uri (webview, uri);
pankso@14 206 }
pankso@14 207
pankso@44 208 /* Download function */
pankso@44 209 static gboolean
pankso@74 210 download_requested_cb (WebKitWebView *webview, WebKitDownload *download,
pankso@51 211 gpointer user_data)
pankso@44 212 {
pankso@52 213 uri = webkit_download_get_uri (download);
pankso@66 214 const gchar* buffer;
pankso@67 215 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@51 218 system (buffer);
pankso@44 219 }
pankso@44 220
paul@72 221 /* Zoom out and in callback function */
pankso@60 222 static void
pankso@74 223 zoom_out_cb (GtkWidget *mainwindow)
pankso@60 224 {
pankso@74 225 webkit_web_view_zoom_out (webview);
pankso@60 226 }
pankso@60 227
pankso@60 228 static void
pankso@74 229 zoom_in_cb (GtkWidget *mainwindow)
pankso@60 230 {
pankso@74 231 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@74 236 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@57 241 item = gtk_separator_menu_item_new ();
pankso@57 242 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 243
pankso@60 244 /* Zoom in */
pankso@60 245 item = gtk_image_menu_item_new_with_label ("Zoom in");
pankso@60 246 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 247 gtk_image_new_from_stock (GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
pankso@60 248 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 249 g_signal_connect (item, "activate", G_CALLBACK (zoom_in_cb), NULL);
pankso@60 250
pankso@60 251 /* Zoom out */
pankso@60 252 item = gtk_image_menu_item_new_with_label ("Zoom out");
pankso@60 253 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 254 gtk_image_new_from_stock (GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
pankso@60 255 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 256 g_signal_connect (item, "activate", G_CALLBACK (zoom_out_cb), NULL);
pankso@60 257
pankso@65 258 /* Separator */
pankso@60 259 item = gtk_separator_menu_item_new ();
pankso@60 260 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 261
pankso@59 262 /* TazWeb documentation */
pankso@59 263 item = gtk_image_menu_item_new_with_label ("TazWeb manual");
pankso@59 264 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@59 265 gtk_image_new_from_stock (GTK_STOCK_INFO, GTK_ICON_SIZE_MENU));
pankso@59 266 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 267 g_signal_connect (item, "activate", G_CALLBACK (tazweb_doc_cb), NULL);
pankso@59 268
pankso@57 269 /* View source mode */
pankso@59 270 item = gtk_image_menu_item_new_with_label ("View source mode");
pankso@57 271 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@57 272 gtk_image_new_from_stock (GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
pankso@57 273 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@57 274 g_signal_connect (item, "activate", G_CALLBACK (view_source_cb), NULL);
pankso@57 275
pankso@57 276 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@74 281 create_web_view_cb (WebKitWebView* webview, GtkWidget* window)
pankso@68 282 {
pankso@74 283 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@2 288 create_browser ()
pankso@2 289 {
pankso@58 290 scrolled = gtk_scrolled_window_new (NULL, NULL);
pankso@58 291 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
pankso@51 292 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
pankso@2 293
pankso@74 294 webview = WEBKIT_WEB_VIEW (webkit_web_view_new ());
pankso@74 295 gtk_container_add (GTK_CONTAINER (scrolled), GTK_WIDGET (webview));
pankso@2 296
pankso@74 297 /* Connect WebKit events */
pankso@74 298 g_signal_connect (webview, "notify::title",
pankso@74 299 G_CALLBACK (notify_title_cb), webview);
pankso@74 300 g_signal_connect (webview, "notify::progress",
pankso@74 301 G_CALLBACK (notify_progress_cb), webview);
pankso@74 302 g_signal_connect (webview, "notify::load-status",
pankso@74 303 G_CALLBACK (notify_load_status_cb), webview);
pankso@74 304 g_signal_connect (webview, "download-requested",
pankso@51 305 G_CALLBACK (download_requested_cb), NULL);
pankso@74 306 g_signal_connect (webview, "create-web-view",
pankso@74 307 G_CALLBACK (create_web_view_cb), webview);
pankso@2 308
pankso@57 309 /* Connect WebKit contextual menu items */
pankso@74 310 g_object_connect (G_OBJECT (webview), "signal::populate-popup",
pankso@74 311 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@63 318 create_loader ()
pankso@63 319 {
pankso@63 320 loader = gtk_drawing_area_new ();
pankso@68 321 gtk_widget_set_size_request (loader, 0, 2);
pankso@63 322 g_signal_connect (G_OBJECT (loader), "expose_event",
pankso@63 323 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@14 329 create_toolbar ()
pankso@14 330 {
pankso@51 331 GtkToolItem* item;
pankso@74 332 GdkColor bg;
pankso@74 333
pankso@58 334 toolbar = gtk_toolbar_new ();
pankso@73 335 //gtk_widget_set_size_request (toolbar, 0, 24);
pankso@51 336 gtk_toolbar_set_orientation (GTK_TOOLBAR (toolbar),
pankso@51 337 GTK_ORIENTATION_HORIZONTAL);
pankso@51 338 gtk_toolbar_set_style (GTK_TOOLBAR (toolbar),
pankso@51 339 GTK_TOOLBAR_BOTH_HORIZ);
pankso@74 340 gdk_color_parse (toolbarbg, &bg);
pankso@69 341 gtk_widget_modify_bg (toolbar, GTK_STATE_NORMAL, &bg);
pankso@14 342
pankso@69 343 /* The back button */
pankso@69 344 item = gtk_tool_button_new_from_stock (GTK_STOCK_GO_BACK);
pankso@69 345 g_signal_connect (G_OBJECT (item), "clicked", G_CALLBACK (go_back_cb), NULL);
pankso@69 346 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@69 347
pankso@69 348 /* The forward button */
pankso@69 349 item = gtk_tool_button_new_from_stock (GTK_STOCK_GO_FORWARD);
pankso@69 350 g_signal_connect (G_OBJECT (item), "clicked", G_CALLBACK (go_forward_cb), NULL);
pankso@69 351 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@69 352
pankso@70 353 /* Home button */
pankso@70 354 item = gtk_tool_button_new_from_stock (GTK_STOCK_HOME);
pankso@70 355 g_signal_connect (G_OBJECT (item), "clicked",
pankso@70 356 G_CALLBACK (go_home_cb), NULL);
pankso@70 357 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@70 358
pankso@57 359 /* URL entry */
pankso@51 360 item = gtk_tool_item_new ();
pankso@51 361 gtk_tool_item_set_expand (item, TRUE);
pankso@69 362
pankso@74 363 urientry = gtk_entry_new ();
pankso@74 364 gtk_widget_modify_base ( GTK_WIDGET (urientry),
pankso@69 365 GTK_STATE_NORMAL, &bg);
pankso@74 366 gtk_entry_set_inner_border (GTK_ENTRY (urientry), NULL);
pankso@74 367 gtk_entry_set_has_frame (GTK_ENTRY (urientry), FALSE);
pankso@69 368
pankso@74 369 gtk_container_add (GTK_CONTAINER (item), urientry);
pankso@74 370 g_signal_connect (G_OBJECT (urientry), "activate",
pankso@58 371 G_CALLBACK (uri_entry_cb), NULL);
pankso@51 372 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@54 373
pankso@54 374 /* Separator */
pankso@57 375 item = gtk_separator_tool_item_new ();
pankso@57 376 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@52 377
pankso@57 378 /* Search entry */
pankso@52 379 item = gtk_tool_item_new ();
pankso@74 380 search = gtk_entry_new ();
pankso@74 381 gtk_widget_set_size_request (search, 150, 20);
pankso@74 382 gtk_container_add (GTK_CONTAINER (item), search);
pankso@74 383 g_signal_connect (G_OBJECT (search), "activate",
pankso@58 384 G_CALLBACK (search_entry_cb), NULL);
pankso@52 385 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@35 386
pankso@51 387 /* The Fullscreen button */
pankso@51 388 item = gtk_tool_button_new_from_stock (GTK_STOCK_FULLSCREEN);
pankso@51 389 g_signal_connect (G_OBJECT (item), "clicked",
pankso@51 390 G_CALLBACK (fullscreen_cb), NULL);
pankso@51 391 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@2 398 create_window ()
pankso@2 399 {
pankso@51 400 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
pankso@58 401 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
pankso@63 402
pankso@73 403 /* Default TazWeb window size ratio to 3/4 --> 720, 540 */
pankso@51 404 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
pankso@51 405 gtk_window_set_icon (GTK_WINDOW (window),
pankso@51 406 create_pixbuf ("/usr/share/pixmaps/tazweb.png"));
pankso@51 407 gtk_widget_set_name (window, "TazWeb");
pankso@51 408 g_signal_connect (window, "destroy", G_CALLBACK (destroy_cb), NULL);
pankso@63 409
pankso@64 410 /* Pack box and container */
pankso@63 411 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
pankso@63 412 gtk_container_add (GTK_CONTAINER (vbox), create_loader());
pankso@63 413 gtk_box_set_child_packing (GTK_BOX (vbox), loader,
pankso@63 414 FALSE, FALSE, 0, GTK_PACK_START);
pankso@63 415 gtk_box_pack_start (GTK_BOX (vbox), create_toolbar (), FALSE, FALSE, 0);
pankso@58 416 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@2 422 main (int argc, char* argv[])
pankso@2 423 {
pankso@51 424 gtk_init (&argc, &argv);
pankso@51 425 if (!g_thread_supported ())
pankso@51 426 g_thread_init (NULL);
pankso@2 427
pankso@64 428 /* Get a default home.html if missing */
pankso@64 429 if (! g_file_test (CONFIG, G_FILE_TEST_EXISTS))
pankso@64 430 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@65 433 uri = (char*) (argc > 1 ? argv[1] : START);
pankso@65 434 if (argv[1])
pankso@65 435 check_requested_uri ();
pankso@68 436
pankso@74 437 mainwindow = create_window ();
pankso@74 438 gtk_widget_show_all (mainwindow);
pankso@74 439 webkit_web_view_load_uri (webview, uri);
pankso@74 440 gtk_widget_grab_focus (GTK_WIDGET (webview));
pankso@64 441 gtk_main ();
pankso@74 442
pankso@51 443 return 0;
pankso@2 444 }