tazweb annotate src/main.c @ rev 73

Small code clean-up and add .hgignore (ignore tazweb binary if in repo)
author Christophe Lincoln <pankso@slitaz.org>
date Sat Apr 23 23:37:34 2011 +0200 (2011-04-23)
parents 5bc3369a201f
children 22ccdae2c559
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@61 4 * as a contextual menu, but no menu bar or tabs.
pankso@44 5 *
pankso@63 6 * Copyright (C) 2011 SliTaz GNU/Linux - BSD License
pankso@61 7 * See AUTHORS and LICENSE for detailed information
pankso@61 8 *
pankso@2 9 */
pankso@2 10
pankso@2 11 #include <gtk/gtk.h>
pankso@2 12 #include <webkit/webkit.h>
pankso@2 13
pankso@68 14 #define CONFIG g_strdup_printf ("%s/.config/tazweb", g_get_home_dir ())
pankso@68 15 #define START "file:///usr/share/webhome/index.html"
pankso@61 16
pankso@63 17 /* Loader color - #d66018 #7b705c */
pankso@63 18 static gchar *loader_color = "#351a0a";
pankso@63 19
pankso@63 20 static GtkWidget *main_window, *scrolled, *loader, *toolbar;
pankso@61 21 static GtkWidget *uri_entry, *search_entry;
pankso@2 22 static WebKitWebView* web_view;
pankso@55 23 static WebKitWebFrame* frame;
pankso@73 24 static gint progress;
pankso@57 25 static gchar* main_title;
pankso@66 26 static gchar* title;
pankso@52 27 const gchar* uri;
pankso@50 28
pankso@50 29 /* Create an icon */
pankso@50 30 static GdkPixbuf*
pankso@66 31 create_pixbuf (const gchar* image)
pankso@50 32 {
pankso@50 33 GdkPixbuf *pixbuf;
pankso@50 34 pixbuf = gdk_pixbuf_new_from_file (image, NULL);
pankso@50 35 return pixbuf;
pankso@50 36 }
pankso@50 37
pankso@65 38 /* Can be: http://hg.slitaz.org or hg.slitaz.org */
pankso@65 39 static void
pankso@65 40 check_requested_uri ()
pankso@65 41 {
pankso@65 42 uri = g_strrstr (uri, "://") ? g_strdup (uri)
pankso@65 43 : g_strdup_printf ("http://%s", uri);
pankso@65 44 }
pankso@65 45
pankso@63 46 /* Loader area */
pankso@2 47 static void
pankso@64 48 draw_loader ()
pankso@2 49 {
pankso@73 50 GdkGC* gc;
pankso@63 51 GdkColor fg;
pankso@73 52 gint width;
pankso@63 53
pankso@73 54 gc = gdk_gc_new (loader->window);
pankso@73 55 width = progress * loader->allocation.width / 100;
pankso@63 56
pankso@63 57 gdk_color_parse (loader_color, &fg);
pankso@63 58 gdk_gc_set_rgb_fg_color (gc, &fg);
pankso@63 59 gdk_draw_rectangle (loader->window,
pankso@63 60 loader->style->bg_gc [GTK_WIDGET_STATE (loader)],
pankso@63 61 TRUE, 0, 0, loader->allocation.width, loader->allocation.height);
pankso@73 62 gdk_draw_rectangle (loader->window, gc, TRUE, 0, 0, width,
pankso@63 63 loader->allocation.height);
pankso@63 64 g_object_unref (gc);
pankso@63 65 }
pankso@63 66
pankso@64 67 /* Loader progress */
pankso@64 68 static gboolean
pankso@66 69 expose_loader_cb (GtkWidget *loader, GdkEventExpose *event, gpointer data)
pankso@64 70 {
pankso@66 71 draw_loader ();
pankso@64 72 return TRUE;
pankso@64 73 }
pankso@64 74
pankso@63 75 /* Update title and loader */
pankso@63 76 static void
pankso@63 77 update ()
pankso@63 78 {
pankso@63 79 title = g_strdup (main_title);
pankso@63 80 if (! main_title)
pankso@63 81 title = g_strdup_printf ("Unknow - TazWeb", main_title);
pankso@64 82 draw_loader ();
pankso@63 83 gtk_window_set_title (GTK_WINDOW (main_window), title);
pankso@51 84 g_free (title);
pankso@2 85 }
pankso@2 86
pankso@63 87 /* Get the page title */
pankso@2 88 static void
pankso@64 89 notify_title_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@2 90 {
pankso@63 91 main_title = g_strdup (webkit_web_view_get_title (web_view));
pankso@63 92 update ();
pankso@2 93 }
pankso@2 94
pankso@2 95 /* Request progress in window title */
pankso@2 96 static void
pankso@2 97 notify_progress_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@2 98 {
pankso@63 99 progress = webkit_web_view_get_progress (web_view) * 100;
pankso@63 100 update ();
pankso@2 101 }
pankso@2 102
pankso@63 103 /* Notify loader and url entry */
pankso@2 104 static void
pankso@34 105 notify_load_status_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@33 106 {
pankso@63 107 switch (webkit_web_view_get_load_status (web_view))
pankso@63 108 {
pankso@63 109 case WEBKIT_LOAD_COMMITTED:
pankso@63 110 break;
pankso@63 111 case WEBKIT_LOAD_FINISHED:
pankso@63 112 progress = 0;
pankso@63 113 update ();
pankso@63 114 break;
pankso@63 115 }
pankso@63 116 frame = webkit_web_view_get_main_frame (web_view);
pankso@63 117 uri = webkit_web_frame_get_uri (frame);
pankso@51 118 if (uri)
pankso@51 119 gtk_entry_set_text (GTK_ENTRY (uri_entry), uri);
pankso@33 120 }
pankso@33 121
pankso@33 122 static void
pankso@67 123 destroy_cb (GtkWidget* widget, GtkWindow* window)
pankso@2 124 {
pankso@51 125 gtk_main_quit ();
pankso@2 126 }
pankso@2 127
pankso@57 128 /* Show page source */
pankso@55 129 static void
pankso@55 130 view_source_cb ()
pankso@55 131 {
pankso@55 132 gboolean source;
pankso@55 133
pankso@55 134 frame = webkit_web_view_get_main_frame (web_view);
pankso@55 135 uri = webkit_web_frame_get_uri (frame);
pankso@55 136 source = webkit_web_view_get_view_source_mode (web_view);
pankso@55 137
pankso@55 138 webkit_web_view_set_view_source_mode(web_view, !source);
pankso@55 139 webkit_web_view_load_uri (web_view, uri);
pankso@57 140 }
pankso@55 141
pankso@52 142 /* URL entry callback function */
pankso@14 143 static void
pankso@58 144 uri_entry_cb (GtkWidget* entry, gpointer data)
pankso@14 145 {
pankso@52 146 uri = gtk_entry_get_text (GTK_ENTRY (entry));
pankso@51 147 g_assert (uri);
pankso@65 148 check_requested_uri ();
pankso@51 149 webkit_web_view_load_uri (web_view, uri);
pankso@14 150 }
pankso@14 151
pankso@52 152 /* Search entry callback function */
pankso@35 153 static void
pankso@58 154 search_entry_cb (GtkWidget* entry, gpointer data)
pankso@35 155 {
pankso@52 156 uri = g_strdup_printf ("http://www.google.com/search?q=%s",
pankso@52 157 gtk_entry_get_text (GTK_ENTRY (entry)));
pankso@52 158 g_assert (uri);
pankso@52 159 webkit_web_view_load_uri (web_view, uri);
pankso@52 160 }
pankso@52 161
pankso@52 162 /* Home button callback function */
pankso@52 163 static void
pankso@52 164 go_home_cb (GtkWidget* widget, gpointer data)
pankso@52 165 {
pankso@61 166 uri = g_strdup_printf ("file://%s/home.html", CONFIG);
pankso@51 167 g_assert (uri);
pankso@51 168 webkit_web_view_load_uri (web_view, uri);
pankso@35 169 }
pankso@35 170
pankso@69 171 /* Navigation button function */
pankso@69 172 static void
pankso@69 173 go_back_cb (GtkWidget* widget, gpointer data)
pankso@69 174 {
pankso@69 175 webkit_web_view_go_back (web_view);
pankso@69 176 }
pankso@69 177
pankso@69 178 static void
pankso@69 179 go_forward_cb (GtkWidget* widget, gpointer data)
pankso@69 180 {
pankso@69 181 webkit_web_view_go_forward (web_view);
pankso@69 182 }
pankso@69 183
pankso@52 184 /* Fullscreen and unfullscreen callback function */
pankso@44 185 static void
pankso@22 186 fullscreen_cb (GtkWindow* window, gpointer data)
pankso@22 187 {
pankso@51 188 GdkWindowState state;
pankso@51 189 state = gdk_window_get_state (gtk_widget_get_window (GTK_WIDGET (main_window)));
pankso@22 190
pankso@51 191 if (state & GDK_WINDOW_STATE_FULLSCREEN)
pankso@51 192 gtk_window_unfullscreen (GTK_WINDOW (main_window));
pankso@51 193 else
pankso@51 194 gtk_window_fullscreen (GTK_WINDOW (main_window));
pankso@22 195 }
pankso@22 196
pankso@52 197 /* TazWeb doc callback function */
pankso@14 198 static void
pankso@21 199 tazweb_doc_cb (GtkWidget* widget, gpointer data)
pankso@14 200 {
pankso@52 201 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
pankso@51 202 g_assert (uri);
pankso@51 203 webkit_web_view_load_uri (web_view, uri);
pankso@14 204 }
pankso@14 205
pankso@44 206 /* Download function */
pankso@44 207 static gboolean
pankso@44 208 download_requested_cb (WebKitWebView *web_view, WebKitDownload *download,
pankso@51 209 gpointer user_data)
pankso@44 210 {
pankso@52 211 uri = webkit_download_get_uri (download);
pankso@66 212 const gchar* buffer;
pankso@67 213 asprintf (&buffer,
pankso@67 214 "xterm -T 'Download' -geom 72x10+0-24 -e 'cd $HOME/Downloads && \
pankso@67 215 wget -c %s; sleep 2' &", uri);
pankso@51 216 system (buffer);
pankso@44 217 }
pankso@44 218
paul@72 219 /* Zoom out and in callback function */
pankso@60 220 static void
pankso@60 221 zoom_out_cb (GtkWidget *main_window)
pankso@60 222 {
pankso@60 223 webkit_web_view_zoom_out (web_view);
pankso@60 224 }
pankso@60 225
pankso@60 226 static void
pankso@60 227 zoom_in_cb (GtkWidget *main_window)
pankso@60 228 {
pankso@60 229 webkit_web_view_zoom_in (web_view);
pankso@60 230 }
pankso@60 231
pankso@57 232 /* Add items to WebKit contextual menu */
pankso@57 233 static void
pankso@57 234 populate_menu_cb (WebKitWebView *web_view, GtkMenu *menu, gpointer data)
pankso@57 235 {
pankso@66 236 GtkWidget* item;
pankso@57 237
pankso@65 238 /* Separator */
pankso@57 239 item = gtk_separator_menu_item_new ();
pankso@57 240 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 241
pankso@60 242 /* Zoom in */
pankso@60 243 item = gtk_image_menu_item_new_with_label ("Zoom in");
pankso@60 244 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 245 gtk_image_new_from_stock (GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
pankso@60 246 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 247 g_signal_connect (item, "activate", G_CALLBACK (zoom_in_cb), NULL);
pankso@60 248
pankso@60 249 /* Zoom out */
pankso@60 250 item = gtk_image_menu_item_new_with_label ("Zoom out");
pankso@60 251 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 252 gtk_image_new_from_stock (GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
pankso@60 253 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 254 g_signal_connect (item, "activate", G_CALLBACK (zoom_out_cb), NULL);
pankso@60 255
pankso@65 256 /* Separator */
pankso@60 257 item = gtk_separator_menu_item_new ();
pankso@60 258 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 259
pankso@59 260 /* TazWeb documentation */
pankso@59 261 item = gtk_image_menu_item_new_with_label ("TazWeb manual");
pankso@59 262 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@59 263 gtk_image_new_from_stock (GTK_STOCK_INFO, GTK_ICON_SIZE_MENU));
pankso@59 264 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 265 g_signal_connect (item, "activate", G_CALLBACK (tazweb_doc_cb), NULL);
pankso@59 266
pankso@57 267 /* View source mode */
pankso@59 268 item = gtk_image_menu_item_new_with_label ("View source mode");
pankso@57 269 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@57 270 gtk_image_new_from_stock (GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
pankso@57 271 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@57 272 g_signal_connect (item, "activate", G_CALLBACK (view_source_cb), NULL);
pankso@57 273
pankso@57 274 gtk_widget_show_all (GTK_WIDGET (menu));
pankso@57 275 }
pankso@57 276
pankso@68 277 /* Open in a new window from menu */
pankso@68 278 static WebKitWebView*
pankso@68 279 create_web_view_cb (WebKitWebView* web_view, GtkWidget* window)
pankso@68 280 {
pankso@68 281 return WEBKIT_WEB_VIEW (web_view);
pankso@68 282 }
pankso@68 283
pankso@58 284 /* Scrolled window for the web_view */
pankso@2 285 static GtkWidget*
pankso@2 286 create_browser ()
pankso@2 287 {
pankso@58 288 scrolled = gtk_scrolled_window_new (NULL, NULL);
pankso@58 289 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
pankso@51 290 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
pankso@2 291
pankso@51 292 web_view = WEBKIT_WEB_VIEW (webkit_web_view_new ());
pankso@58 293 gtk_container_add (GTK_CONTAINER (scrolled), GTK_WIDGET (web_view));
pankso@2 294
pankso@57 295 /* Connect events */
pankso@51 296 g_signal_connect (web_view, "notify::title",
pankso@51 297 G_CALLBACK (notify_title_cb), web_view);
pankso@51 298 g_signal_connect (web_view, "notify::progress",
pankso@51 299 G_CALLBACK (notify_progress_cb), web_view);
pankso@51 300 g_signal_connect (web_view, "notify::load-status",
pankso@51 301 G_CALLBACK (notify_load_status_cb), web_view);
pankso@51 302 g_signal_connect (web_view, "download-requested",
pankso@51 303 G_CALLBACK (download_requested_cb), NULL);
pankso@68 304 g_signal_connect (web_view, "create-web-view",
pankso@68 305 G_CALLBACK (create_web_view_cb), web_view);
pankso@2 306
pankso@57 307 /* Connect WebKit contextual menu items */
pankso@57 308 g_object_connect (G_OBJECT (web_view), "signal::populate-popup",
pankso@57 309 G_CALLBACK (populate_menu_cb), web_view, NULL);
pankso@57 310
pankso@58 311 return scrolled;
pankso@2 312 }
pankso@2 313
pankso@63 314 /* Loader area */
pankso@63 315 static GtkWidget*
pankso@63 316 create_loader ()
pankso@63 317 {
pankso@63 318 loader = gtk_drawing_area_new ();
pankso@68 319 gtk_widget_set_size_request (loader, 0, 2);
pankso@63 320 g_signal_connect (G_OBJECT (loader), "expose_event",
pankso@63 321 G_CALLBACK (expose_loader_cb), NULL);
pankso@63 322
pankso@63 323 return loader;
pankso@63 324 }
pankso@63 325
pankso@14 326 static GtkWidget*
pankso@14 327 create_toolbar ()
pankso@14 328 {
pankso@51 329 GtkToolItem* item;
pankso@73 330
pankso@58 331 toolbar = gtk_toolbar_new ();
pankso@73 332 //gtk_widget_set_size_request (toolbar, 0, 24);
pankso@51 333 gtk_toolbar_set_orientation (GTK_TOOLBAR (toolbar),
pankso@51 334 GTK_ORIENTATION_HORIZONTAL);
pankso@51 335 gtk_toolbar_set_style (GTK_TOOLBAR (toolbar),
pankso@51 336 GTK_TOOLBAR_BOTH_HORIZ);
pankso@73 337 GdkColor bg;
pankso@69 338 gdk_color_parse ("#f1efeb", &bg);
pankso@69 339 gtk_widget_modify_bg (toolbar, GTK_STATE_NORMAL, &bg);
pankso@14 340
pankso@69 341 /* The back button */
pankso@69 342 item = gtk_tool_button_new_from_stock (GTK_STOCK_GO_BACK);
pankso@69 343 g_signal_connect (G_OBJECT (item), "clicked", G_CALLBACK (go_back_cb), NULL);
pankso@69 344 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@69 345
pankso@69 346 /* The forward button */
pankso@69 347 item = gtk_tool_button_new_from_stock (GTK_STOCK_GO_FORWARD);
pankso@69 348 g_signal_connect (G_OBJECT (item), "clicked", G_CALLBACK (go_forward_cb), NULL);
pankso@69 349 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@69 350
pankso@70 351 /* Home button */
pankso@70 352 item = gtk_tool_button_new_from_stock (GTK_STOCK_HOME);
pankso@70 353 g_signal_connect (G_OBJECT (item), "clicked",
pankso@70 354 G_CALLBACK (go_home_cb), NULL);
pankso@70 355 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@70 356
pankso@57 357 /* URL entry */
pankso@51 358 item = gtk_tool_item_new ();
pankso@51 359 gtk_tool_item_set_expand (item, TRUE);
pankso@69 360
pankso@51 361 uri_entry = gtk_entry_new ();
pankso@69 362 gtk_widget_modify_base ( GTK_WIDGET (uri_entry),
pankso@69 363 GTK_STATE_NORMAL, &bg);
pankso@69 364 gtk_entry_set_inner_border (GTK_ENTRY (uri_entry), NULL);
pankso@69 365 gtk_entry_set_has_frame (GTK_ENTRY (uri_entry), FALSE);
pankso@69 366
pankso@51 367 gtk_container_add (GTK_CONTAINER (item), uri_entry);
pankso@51 368 g_signal_connect (G_OBJECT (uri_entry), "activate",
pankso@58 369 G_CALLBACK (uri_entry_cb), NULL);
pankso@51 370 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@54 371
pankso@54 372 /* Separator */
pankso@57 373 item = gtk_separator_tool_item_new ();
pankso@57 374 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@52 375
pankso@57 376 /* Search entry */
pankso@52 377 item = gtk_tool_item_new ();
pankso@52 378 search_entry = gtk_entry_new ();
pankso@70 379 gtk_widget_set_size_request (search_entry, 150, 20);
pankso@52 380 gtk_container_add (GTK_CONTAINER (item), search_entry);
pankso@52 381 g_signal_connect (G_OBJECT (search_entry), "activate",
pankso@58 382 G_CALLBACK (search_entry_cb), NULL);
pankso@52 383 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@35 384
pankso@51 385 /* The Fullscreen button */
pankso@51 386 item = gtk_tool_button_new_from_stock (GTK_STOCK_FULLSCREEN);
pankso@51 387 g_signal_connect (G_OBJECT (item), "clicked",
pankso@51 388 G_CALLBACK (fullscreen_cb), NULL);
pankso@51 389 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@51 390
pankso@51 391 return toolbar;
pankso@14 392 }
pankso@14 393
pankso@58 394 /* Main window */
pankso@2 395 static GtkWidget*
pankso@2 396 create_window ()
pankso@2 397 {
pankso@51 398 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
pankso@58 399 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
pankso@63 400
pankso@73 401 /* Default TazWeb window size ratio to 3/4 --> 720, 540 */
pankso@51 402 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
pankso@51 403 gtk_window_set_icon (GTK_WINDOW (window),
pankso@51 404 create_pixbuf ("/usr/share/pixmaps/tazweb.png"));
pankso@51 405 gtk_widget_set_name (window, "TazWeb");
pankso@51 406 g_signal_connect (window, "destroy", G_CALLBACK (destroy_cb), NULL);
pankso@63 407
pankso@64 408 /* Pack box and container */
pankso@63 409 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
pankso@63 410 gtk_container_add (GTK_CONTAINER (vbox), create_loader());
pankso@63 411 gtk_box_set_child_packing (GTK_BOX (vbox), loader,
pankso@63 412 FALSE, FALSE, 0, GTK_PACK_START);
pankso@63 413 gtk_box_pack_start (GTK_BOX (vbox), create_toolbar (), FALSE, FALSE, 0);
pankso@58 414 gtk_container_add (GTK_CONTAINER (window), vbox);
pankso@2 415
pankso@68 416 return window;
pankso@2 417 }
pankso@2 418
pankso@2 419 int
pankso@2 420 main (int argc, char* argv[])
pankso@2 421 {
pankso@51 422 gtk_init (&argc, &argv);
pankso@51 423 if (!g_thread_supported ())
pankso@51 424 g_thread_init (NULL);
pankso@2 425
pankso@64 426 /* Get a default home.html if missing */
pankso@64 427 if (! g_file_test (CONFIG, G_FILE_TEST_EXISTS))
pankso@64 428 system ("cp -r /usr/share/tazweb $HOME/.config/tazweb");
pankso@64 429
pankso@64 430 /* Load the start page file or the url in argument */
pankso@65 431 uri = (char*) (argc > 1 ? argv[1] : START);
pankso@65 432 if (argv[1])
pankso@65 433 check_requested_uri ();
pankso@68 434
pankso@68 435 main_window = create_window ();
pankso@68 436 gtk_widget_show_all (main_window);
pankso@51 437 webkit_web_view_load_uri (web_view, uri);
pankso@51 438 gtk_widget_grab_focus (GTK_WIDGET (web_view));
pankso@64 439 gtk_main ();
pankso@51 440 return 0;
pankso@2 441 }