tazweb annotate src/main.c @ rev 65

#define START for start page and make possible to request an uri without http:// (auto addes to string)
author Christophe Lincoln <pankso@slitaz.org>
date Fri Apr 22 09:23:50 2011 +0200 (2011-04-22)
parents 79e6f575defb
children 89fe11e7a4b8
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@65 14 #define CONFIG g_strdup_printf ("%s/.config/tazweb", g_get_home_dir ())
pankso@65 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@2 24 static gdouble load_progress;
pankso@2 25 static guint status_context_id;
pankso@57 26 static gchar* main_title;
pankso@63 27 static gchar *title;
pankso@63 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@50 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@63 52 GdkGC *gc = gdk_gc_new (loader->window);
pankso@63 53 GdkColor fg;
pankso@63 54
pankso@63 55 uri = webkit_web_view_get_uri (web_view);
pankso@63 56 const gint width = progress * loader->allocation.width / 100;
pankso@63 57
pankso@63 58 gdk_color_parse (loader_color, &fg);
pankso@63 59 gdk_gc_set_rgb_fg_color (gc, &fg);
pankso@63 60 gdk_draw_rectangle (loader->window,
pankso@63 61 loader->style->bg_gc [GTK_WIDGET_STATE (loader)],
pankso@63 62 TRUE, 0, 0, loader->allocation.width, loader->allocation.height);
pankso@63 63 gdk_draw_rectangle (loader->window, gc, TRUE, 0, 0, width,
pankso@63 64 loader->allocation.height);
pankso@63 65 g_object_unref (gc);
pankso@63 66 }
pankso@63 67
pankso@64 68 /* Loader progress */
pankso@64 69 static gboolean
pankso@64 70 expose_loader_cb (GtkWidget *area, GdkEventExpose *event, gpointer data)
pankso@64 71 {
pankso@64 72 draw_loader();
pankso@64 73 return TRUE;
pankso@64 74 }
pankso@64 75
pankso@63 76 /* Update title and loader */
pankso@63 77 static void
pankso@63 78 update ()
pankso@63 79 {
pankso@63 80 title = g_strdup (main_title);
pankso@63 81 if (! main_title)
pankso@63 82 title = g_strdup_printf ("Unknow - TazWeb", main_title);
pankso@64 83 draw_loader ();
pankso@63 84 gtk_window_set_title (GTK_WINDOW (main_window), title);
pankso@51 85 g_free (title);
pankso@2 86 }
pankso@2 87
pankso@63 88 /* Get the page title */
pankso@2 89 static void
pankso@64 90 notify_title_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@2 91 {
pankso@63 92 main_title = g_strdup (webkit_web_view_get_title (web_view));
pankso@63 93 update ();
pankso@2 94 }
pankso@2 95
pankso@2 96 /* Request progress in window title */
pankso@2 97 static void
pankso@2 98 notify_progress_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@2 99 {
pankso@63 100 progress = webkit_web_view_get_progress (web_view) * 100;
pankso@63 101 update ();
pankso@2 102 }
pankso@2 103
pankso@63 104 /* Notify loader and url entry */
pankso@2 105 static void
pankso@34 106 notify_load_status_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@33 107 {
pankso@63 108 switch (webkit_web_view_get_load_status (web_view))
pankso@63 109 {
pankso@63 110 case WEBKIT_LOAD_COMMITTED:
pankso@63 111 break;
pankso@63 112 case WEBKIT_LOAD_FINISHED:
pankso@63 113 progress = 0;
pankso@63 114 update ();
pankso@63 115 break;
pankso@63 116 }
pankso@63 117 frame = webkit_web_view_get_main_frame (web_view);
pankso@63 118 uri = webkit_web_frame_get_uri (frame);
pankso@51 119 if (uri)
pankso@51 120 gtk_entry_set_text (GTK_ENTRY (uri_entry), uri);
pankso@33 121 }
pankso@33 122
pankso@33 123 static void
pankso@2 124 destroy_cb (GtkWidget* widget, gpointer data)
pankso@2 125 {
pankso@51 126 gtk_main_quit ();
pankso@2 127 }
pankso@2 128
pankso@57 129 /* Show page source */
pankso@55 130 static void
pankso@55 131 view_source_cb ()
pankso@55 132 {
pankso@55 133 gboolean source;
pankso@55 134
pankso@55 135 frame = webkit_web_view_get_main_frame (web_view);
pankso@55 136 uri = webkit_web_frame_get_uri (frame);
pankso@55 137 source = webkit_web_view_get_view_source_mode (web_view);
pankso@55 138
pankso@55 139 webkit_web_view_set_view_source_mode(web_view, !source);
pankso@55 140 webkit_web_view_load_uri (web_view, uri);
pankso@57 141 }
pankso@55 142
pankso@52 143 /* URL entry callback function */
pankso@14 144 static void
pankso@58 145 uri_entry_cb (GtkWidget* entry, gpointer data)
pankso@14 146 {
pankso@52 147 uri = gtk_entry_get_text (GTK_ENTRY (entry));
pankso@51 148 g_assert (uri);
pankso@65 149 check_requested_uri ();
pankso@51 150 webkit_web_view_load_uri (web_view, uri);
pankso@14 151 }
pankso@14 152
pankso@52 153 /* Search entry callback function */
pankso@35 154 static void
pankso@58 155 search_entry_cb (GtkWidget* entry, gpointer data)
pankso@35 156 {
pankso@52 157 uri = g_strdup_printf ("http://www.google.com/search?q=%s",
pankso@52 158 gtk_entry_get_text (GTK_ENTRY (entry)));
pankso@52 159 g_assert (uri);
pankso@52 160 webkit_web_view_load_uri (web_view, uri);
pankso@52 161 }
pankso@52 162
pankso@52 163 /* Home button callback function */
pankso@52 164 static void
pankso@52 165 go_home_cb (GtkWidget* widget, gpointer data)
pankso@52 166 {
pankso@61 167 uri = g_strdup_printf ("file://%s/home.html", CONFIG);
pankso@51 168 g_assert (uri);
pankso@51 169 webkit_web_view_load_uri (web_view, uri);
pankso@35 170 }
pankso@35 171
pankso@52 172 /* Fullscreen and unfullscreen callback function */
pankso@44 173 static void
pankso@22 174 fullscreen_cb (GtkWindow* window, gpointer data)
pankso@22 175 {
pankso@51 176 GdkWindowState state;
pankso@51 177 state = gdk_window_get_state (gtk_widget_get_window (GTK_WIDGET (main_window)));
pankso@22 178
pankso@51 179 if (state & GDK_WINDOW_STATE_FULLSCREEN)
pankso@51 180 gtk_window_unfullscreen (GTK_WINDOW (main_window));
pankso@51 181 else
pankso@51 182 gtk_window_fullscreen (GTK_WINDOW (main_window));
pankso@22 183 }
pankso@22 184
pankso@52 185 /* TazWeb doc callback function */
pankso@14 186 static void
pankso@21 187 tazweb_doc_cb (GtkWidget* widget, gpointer data)
pankso@14 188 {
pankso@52 189 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
pankso@51 190 g_assert (uri);
pankso@51 191 webkit_web_view_load_uri (web_view, uri);
pankso@14 192 }
pankso@14 193
pankso@44 194 /* Download function */
pankso@44 195 static gboolean
pankso@44 196 download_requested_cb (WebKitWebView *web_view, WebKitDownload *download,
pankso@51 197 gpointer user_data)
pankso@44 198 {
pankso@52 199 uri = webkit_download_get_uri (download);
pankso@63 200 const gchar *buffer;
pankso@51 201 asprintf (&buffer, "tazbox dl-out %s", uri);
pankso@51 202 system (buffer);
pankso@44 203 }
pankso@44 204
pankso@60 205 /* Zoom ou and in callback function */
pankso@60 206 static void
pankso@60 207 zoom_out_cb (GtkWidget *main_window)
pankso@60 208 {
pankso@60 209 webkit_web_view_zoom_out (web_view);
pankso@60 210 }
pankso@60 211
pankso@60 212 static void
pankso@60 213 zoom_in_cb (GtkWidget *main_window)
pankso@60 214 {
pankso@60 215 webkit_web_view_zoom_in (web_view);
pankso@60 216 }
pankso@60 217
pankso@57 218 /* Add items to WebKit contextual menu */
pankso@57 219 static void
pankso@57 220 populate_menu_cb (WebKitWebView *web_view, GtkMenu *menu, gpointer data)
pankso@57 221 {
pankso@57 222 GtkWidget *item;
pankso@57 223
pankso@65 224 /* Separator */
pankso@57 225 item = gtk_separator_menu_item_new ();
pankso@57 226 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 227
pankso@60 228 /* Zoom in */
pankso@60 229 item = gtk_image_menu_item_new_with_label ("Zoom in");
pankso@60 230 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 231 gtk_image_new_from_stock (GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
pankso@60 232 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 233 g_signal_connect (item, "activate", G_CALLBACK (zoom_in_cb), NULL);
pankso@60 234
pankso@60 235 /* Zoom out */
pankso@60 236 item = gtk_image_menu_item_new_with_label ("Zoom out");
pankso@60 237 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 238 gtk_image_new_from_stock (GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
pankso@60 239 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 240 g_signal_connect (item, "activate", G_CALLBACK (zoom_out_cb), NULL);
pankso@60 241
pankso@65 242 /* Separator */
pankso@60 243 item = gtk_separator_menu_item_new ();
pankso@60 244 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 245
pankso@59 246 /* TazWeb documentation */
pankso@59 247 item = gtk_image_menu_item_new_with_label ("TazWeb manual");
pankso@59 248 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@59 249 gtk_image_new_from_stock (GTK_STOCK_INFO, GTK_ICON_SIZE_MENU));
pankso@59 250 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 251 g_signal_connect (item, "activate", G_CALLBACK (tazweb_doc_cb), NULL);
pankso@59 252
pankso@57 253 /* View source mode */
pankso@59 254 item = gtk_image_menu_item_new_with_label ("View source mode");
pankso@57 255 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@57 256 gtk_image_new_from_stock (GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
pankso@57 257 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@57 258 g_signal_connect (item, "activate", G_CALLBACK (view_source_cb), NULL);
pankso@57 259
pankso@57 260 gtk_widget_show_all (GTK_WIDGET (menu));
pankso@57 261 }
pankso@57 262
pankso@58 263 /* Scrolled window for the web_view */
pankso@2 264 static GtkWidget*
pankso@2 265 create_browser ()
pankso@2 266 {
pankso@58 267 scrolled = gtk_scrolled_window_new (NULL, NULL);
pankso@58 268 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
pankso@51 269 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
pankso@2 270
pankso@51 271 web_view = WEBKIT_WEB_VIEW (webkit_web_view_new ());
pankso@58 272 gtk_container_add (GTK_CONTAINER (scrolled), GTK_WIDGET (web_view));
pankso@2 273
pankso@57 274 /* Connect events */
pankso@51 275 g_signal_connect (web_view, "notify::title",
pankso@51 276 G_CALLBACK (notify_title_cb), web_view);
pankso@51 277 g_signal_connect (web_view, "notify::progress",
pankso@51 278 G_CALLBACK (notify_progress_cb), web_view);
pankso@51 279 g_signal_connect (web_view, "notify::load-status",
pankso@51 280 G_CALLBACK (notify_load_status_cb), web_view);
pankso@51 281 g_signal_connect (web_view, "download-requested",
pankso@51 282 G_CALLBACK (download_requested_cb), NULL);
pankso@2 283
pankso@57 284 /* Connect WebKit contextual menu items */
pankso@57 285 g_object_connect (G_OBJECT (web_view), "signal::populate-popup",
pankso@57 286 G_CALLBACK (populate_menu_cb), web_view, NULL);
pankso@57 287
pankso@58 288 return scrolled;
pankso@2 289 }
pankso@2 290
pankso@63 291 /* Loader area */
pankso@63 292 static GtkWidget*
pankso@63 293 create_loader ()
pankso@63 294 {
pankso@63 295 loader = gtk_drawing_area_new ();
pankso@63 296 gtk_widget_set_size_request (loader, 0, 1);
pankso@63 297 g_signal_connect (G_OBJECT (loader), "expose_event",
pankso@63 298 G_CALLBACK (expose_loader_cb), NULL);
pankso@63 299
pankso@63 300 return loader;
pankso@63 301 }
pankso@63 302
pankso@14 303 static GtkWidget*
pankso@14 304 create_toolbar ()
pankso@14 305 {
pankso@51 306 GtkToolItem* item;
pankso@14 307
pankso@58 308 toolbar = gtk_toolbar_new ();
pankso@63 309 gtk_widget_set_size_request (toolbar, 0, 33);
pankso@51 310 gtk_toolbar_set_orientation (GTK_TOOLBAR (toolbar),
pankso@51 311 GTK_ORIENTATION_HORIZONTAL);
pankso@51 312 gtk_toolbar_set_style (GTK_TOOLBAR (toolbar),
pankso@51 313 GTK_TOOLBAR_BOTH_HORIZ);
pankso@14 314
pankso@57 315 /* Home button */
pankso@51 316 item = gtk_tool_button_new_from_stock (GTK_STOCK_HOME);
pankso@51 317 g_signal_connect (G_OBJECT (item), "clicked",
pankso@51 318 G_CALLBACK (go_home_cb), NULL);
pankso@51 319 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@35 320
pankso@57 321 /* URL entry */
pankso@51 322 item = gtk_tool_item_new ();
pankso@51 323 gtk_tool_item_set_expand (item, TRUE);
pankso@51 324 uri_entry = gtk_entry_new ();
pankso@51 325 gtk_container_add (GTK_CONTAINER (item), uri_entry);
pankso@51 326 g_signal_connect (G_OBJECT (uri_entry), "activate",
pankso@58 327 G_CALLBACK (uri_entry_cb), NULL);
pankso@51 328 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@54 329
pankso@54 330 /* Separator */
pankso@57 331 item = gtk_separator_tool_item_new ();
pankso@57 332 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@52 333
pankso@57 334 /* Search entry */
pankso@52 335 item = gtk_tool_item_new ();
pankso@52 336 search_entry = gtk_entry_new ();
pankso@52 337 gtk_container_add (GTK_CONTAINER (item), search_entry);
pankso@52 338 g_signal_connect (G_OBJECT (search_entry), "activate",
pankso@58 339 G_CALLBACK (search_entry_cb), NULL);
pankso@52 340 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@35 341
pankso@51 342 /* The Fullscreen button */
pankso@51 343 item = gtk_tool_button_new_from_stock (GTK_STOCK_FULLSCREEN);
pankso@51 344 g_signal_connect (G_OBJECT (item), "clicked",
pankso@51 345 G_CALLBACK (fullscreen_cb), NULL);
pankso@51 346 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@51 347
pankso@51 348 return toolbar;
pankso@14 349 }
pankso@14 350
pankso@58 351 /* Main window */
pankso@2 352 static GtkWidget*
pankso@2 353 create_window ()
pankso@2 354 {
pankso@51 355 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
pankso@58 356 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
pankso@63 357
pankso@58 358 /* Default TazWeb window size ratio to 3/4 --> 720, 540*/
pankso@51 359 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
pankso@51 360 gtk_window_set_icon (GTK_WINDOW (window),
pankso@51 361 create_pixbuf ("/usr/share/pixmaps/tazweb.png"));
pankso@51 362 gtk_widget_set_name (window, "TazWeb");
pankso@51 363 g_signal_connect (window, "destroy", G_CALLBACK (destroy_cb), NULL);
pankso@63 364
pankso@64 365 /* Pack box and container */
pankso@63 366 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
pankso@63 367 gtk_container_add (GTK_CONTAINER (vbox), create_loader());
pankso@63 368 gtk_box_set_child_packing (GTK_BOX (vbox), loader,
pankso@63 369 FALSE, FALSE, 0, GTK_PACK_START);
pankso@63 370 gtk_box_pack_start (GTK_BOX (vbox), create_toolbar (), FALSE, FALSE, 0);
pankso@58 371 gtk_container_add (GTK_CONTAINER (window), vbox);
pankso@2 372
pankso@58 373 main_window = window;
pankso@58 374 gtk_widget_show_all (main_window);
pankso@2 375 }
pankso@2 376
pankso@2 377 int
pankso@2 378 main (int argc, char* argv[])
pankso@2 379 {
pankso@51 380 gtk_init (&argc, &argv);
pankso@51 381 if (!g_thread_supported ())
pankso@51 382 g_thread_init (NULL);
pankso@2 383
pankso@64 384 /* Get a default home.html if missing */
pankso@64 385 if (! g_file_test (CONFIG, G_FILE_TEST_EXISTS))
pankso@64 386 system ("cp -r /usr/share/tazweb $HOME/.config/tazweb");
pankso@64 387
pankso@64 388 /* Load the start page file or the url in argument */
pankso@65 389 uri = (char*) (argc > 1 ? argv[1] : START);
pankso@65 390 if (argv[1])
pankso@65 391 check_requested_uri ();
pankso@65 392
pankso@55 393
pankso@64 394 create_window ();
pankso@51 395 webkit_web_view_load_uri (web_view, uri);
pankso@51 396 gtk_widget_grab_focus (GTK_WIDGET (web_view));
pankso@64 397 gtk_main ();
pankso@58 398
pankso@51 399 return 0;
pankso@2 400 }