tazweb annotate src/main.c @ rev 63

Remove loading progress from window title and use gtk_drawing_area_new to have a small progress bar
author Christophe Lincoln <pankso@slitaz.org>
date Fri Apr 22 08:48:23 2011 +0200 (2011-04-22)
parents 1b31bef08447
children 79e6f575defb
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@61 14 #define CONFIG g_strdup_printf ("%s/.config/tazweb", g_get_home_dir ())
pankso@61 15
pankso@63 16 /* Loader color - #d66018 #7b705c */
pankso@63 17 static gchar *loader_color = "#351a0a";
pankso@63 18
pankso@63 19 static GtkWidget *main_window, *scrolled, *loader, *toolbar;
pankso@61 20 static GtkWidget *uri_entry, *search_entry;
pankso@2 21 static WebKitWebView* web_view;
pankso@55 22 static WebKitWebFrame* frame;
pankso@2 23 static gdouble load_progress;
pankso@2 24 static guint status_context_id;
pankso@57 25 static gchar* main_title;
pankso@63 26 static gchar *title;
pankso@63 27 static gint progress;
pankso@52 28 const gchar* uri;
pankso@50 29
pankso@50 30 /* Create an icon */
pankso@50 31 static GdkPixbuf*
pankso@50 32 create_pixbuf (const gchar * image)
pankso@50 33 {
pankso@50 34 GdkPixbuf *pixbuf;
pankso@50 35 pixbuf = gdk_pixbuf_new_from_file (image, NULL);
pankso@50 36 return pixbuf;
pankso@50 37 }
pankso@50 38
pankso@61 39 /* Get a default home.html if missing */
pankso@50 40 static void
pankso@50 41 get_config ()
pankso@50 42 {
pankso@63 43 if (! g_file_test (CONFIG, G_FILE_TEST_EXISTS))
pankso@61 44 system ("cp -r /usr/share/tazweb $HOME/.config/tazweb");
pankso@50 45 }
pankso@2 46
pankso@63 47 /* Loader area */
pankso@2 48 static void
pankso@63 49 draw_loader_cb ()
pankso@2 50 {
pankso@63 51 GdkGC *gc = gdk_gc_new (loader->window);
pankso@63 52 GdkColor fg;
pankso@63 53
pankso@63 54 uri = webkit_web_view_get_uri (web_view);
pankso@63 55 const gint 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@63 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@63 67 /* Update title and loader */
pankso@63 68 static void
pankso@63 69 update ()
pankso@63 70 {
pankso@63 71 title = g_strdup (main_title);
pankso@63 72 if (! main_title)
pankso@63 73 title = g_strdup_printf ("Unknow - TazWeb", main_title);
pankso@63 74 draw_loader_cb ();
pankso@63 75 gtk_window_set_title (GTK_WINDOW (main_window), title);
pankso@51 76 g_free (title);
pankso@2 77 }
pankso@2 78
pankso@63 79 /* Get the page title */
pankso@2 80 static void
pankso@63 81 notify_title_cb (WebKitWebView *web_view, WebKitWebFrame *frame)
pankso@2 82 {
pankso@63 83 main_title = g_strdup (webkit_web_view_get_title (web_view));
pankso@63 84 update ();
pankso@2 85 }
pankso@2 86
pankso@2 87 /* Request progress in window title */
pankso@2 88 static void
pankso@2 89 notify_progress_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@2 90 {
pankso@63 91 progress = webkit_web_view_get_progress (web_view) * 100;
pankso@63 92 update ();
pankso@2 93 }
pankso@2 94
pankso@63 95 /* Loader progress */
pankso@63 96 static gboolean
pankso@63 97 expose_loader_cb (GtkWidget *area, GdkEventExpose *event, gpointer data)
pankso@63 98 {
pankso@63 99 draw_loader_cb();
pankso@63 100 return TRUE;
pankso@63 101 }
pankso@63 102
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@2 123 destroy_cb (GtkWidget* widget, gpointer data)
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@51 148 webkit_web_view_load_uri (web_view, uri);
pankso@14 149 }
pankso@14 150
pankso@52 151 /* Search entry callback function */
pankso@35 152 static void
pankso@58 153 search_entry_cb (GtkWidget* entry, gpointer data)
pankso@35 154 {
pankso@52 155 uri = g_strdup_printf ("http://www.google.com/search?q=%s",
pankso@52 156 gtk_entry_get_text (GTK_ENTRY (entry)));
pankso@52 157 g_assert (uri);
pankso@52 158 webkit_web_view_load_uri (web_view, uri);
pankso@52 159 }
pankso@52 160
pankso@52 161 /* Home button callback function */
pankso@52 162 static void
pankso@52 163 go_home_cb (GtkWidget* widget, gpointer data)
pankso@52 164 {
pankso@61 165 uri = g_strdup_printf ("file://%s/home.html", CONFIG);
pankso@51 166 g_assert (uri);
pankso@51 167 webkit_web_view_load_uri (web_view, uri);
pankso@35 168 }
pankso@35 169
pankso@52 170 /* Fullscreen and unfullscreen callback function */
pankso@44 171 static void
pankso@22 172 fullscreen_cb (GtkWindow* window, gpointer data)
pankso@22 173 {
pankso@51 174 GdkWindowState state;
pankso@51 175 state = gdk_window_get_state (gtk_widget_get_window (GTK_WIDGET (main_window)));
pankso@22 176
pankso@51 177 if (state & GDK_WINDOW_STATE_FULLSCREEN)
pankso@51 178 gtk_window_unfullscreen (GTK_WINDOW (main_window));
pankso@51 179 else
pankso@51 180 gtk_window_fullscreen (GTK_WINDOW (main_window));
pankso@22 181 }
pankso@22 182
pankso@52 183 /* TazWeb doc callback function */
pankso@14 184 static void
pankso@21 185 tazweb_doc_cb (GtkWidget* widget, gpointer data)
pankso@14 186 {
pankso@52 187 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
pankso@51 188 g_assert (uri);
pankso@51 189 webkit_web_view_load_uri (web_view, uri);
pankso@14 190 }
pankso@14 191
pankso@44 192 /* Download function */
pankso@44 193 static gboolean
pankso@44 194 download_requested_cb (WebKitWebView *web_view, WebKitDownload *download,
pankso@51 195 gpointer user_data)
pankso@44 196 {
pankso@52 197 uri = webkit_download_get_uri (download);
pankso@63 198 const gchar *buffer;
pankso@51 199 asprintf (&buffer, "tazbox dl-out %s", uri);
pankso@51 200 system (buffer);
pankso@44 201 }
pankso@44 202
pankso@60 203 /* Zoom ou and in callback function */
pankso@60 204 static void
pankso@60 205 zoom_out_cb (GtkWidget *main_window)
pankso@60 206 {
pankso@60 207 webkit_web_view_zoom_out (web_view);
pankso@60 208 }
pankso@60 209
pankso@60 210 static void
pankso@60 211 zoom_in_cb (GtkWidget *main_window)
pankso@60 212 {
pankso@60 213 webkit_web_view_zoom_in (web_view);
pankso@60 214 }
pankso@60 215
pankso@57 216 /* Add items to WebKit contextual menu */
pankso@57 217 static void
pankso@57 218 populate_menu_cb (WebKitWebView *web_view, GtkMenu *menu, gpointer data)
pankso@57 219 {
pankso@57 220 GtkWidget *item;
pankso@57 221
pankso@57 222 /* separator */
pankso@57 223 item = gtk_separator_menu_item_new ();
pankso@57 224 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 225
pankso@60 226 /* Zoom in */
pankso@60 227 item = gtk_image_menu_item_new_with_label ("Zoom in");
pankso@60 228 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 229 gtk_image_new_from_stock (GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
pankso@60 230 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 231 g_signal_connect (item, "activate", G_CALLBACK (zoom_in_cb), NULL);
pankso@60 232
pankso@60 233 /* Zoom out */
pankso@60 234 item = gtk_image_menu_item_new_with_label ("Zoom out");
pankso@60 235 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 236 gtk_image_new_from_stock (GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
pankso@60 237 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 238 g_signal_connect (item, "activate", G_CALLBACK (zoom_out_cb), NULL);
pankso@60 239
pankso@60 240 /* separator */
pankso@60 241 item = gtk_separator_menu_item_new ();
pankso@60 242 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 243
pankso@59 244 /* TazWeb documentation */
pankso@59 245 item = gtk_image_menu_item_new_with_label ("TazWeb manual");
pankso@59 246 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@59 247 gtk_image_new_from_stock (GTK_STOCK_INFO, GTK_ICON_SIZE_MENU));
pankso@59 248 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 249 g_signal_connect (item, "activate", G_CALLBACK (tazweb_doc_cb), NULL);
pankso@59 250
pankso@57 251 /* View source mode */
pankso@59 252 item = gtk_image_menu_item_new_with_label ("View source mode");
pankso@57 253 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@57 254 gtk_image_new_from_stock (GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
pankso@57 255 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@57 256 g_signal_connect (item, "activate", G_CALLBACK (view_source_cb), NULL);
pankso@57 257
pankso@57 258 gtk_widget_show_all (GTK_WIDGET (menu));
pankso@57 259 }
pankso@57 260
pankso@58 261 /* Scrolled window for the web_view */
pankso@2 262 static GtkWidget*
pankso@2 263 create_browser ()
pankso@2 264 {
pankso@58 265 scrolled = gtk_scrolled_window_new (NULL, NULL);
pankso@58 266 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
pankso@51 267 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
pankso@2 268
pankso@51 269 web_view = WEBKIT_WEB_VIEW (webkit_web_view_new ());
pankso@58 270 gtk_container_add (GTK_CONTAINER (scrolled), GTK_WIDGET (web_view));
pankso@2 271
pankso@57 272 /* Connect events */
pankso@51 273 g_signal_connect (web_view, "notify::title",
pankso@51 274 G_CALLBACK (notify_title_cb), web_view);
pankso@51 275 g_signal_connect (web_view, "notify::progress",
pankso@51 276 G_CALLBACK (notify_progress_cb), web_view);
pankso@51 277 g_signal_connect (web_view, "notify::load-status",
pankso@51 278 G_CALLBACK (notify_load_status_cb), web_view);
pankso@51 279 g_signal_connect (web_view, "download-requested",
pankso@51 280 G_CALLBACK (download_requested_cb), NULL);
pankso@2 281
pankso@57 282 /* Connect WebKit contextual menu items */
pankso@57 283 g_object_connect (G_OBJECT (web_view), "signal::populate-popup",
pankso@57 284 G_CALLBACK (populate_menu_cb), web_view, NULL);
pankso@57 285
pankso@58 286 return scrolled;
pankso@2 287 }
pankso@2 288
pankso@63 289 /* Loader area */
pankso@63 290 static GtkWidget*
pankso@63 291 create_loader ()
pankso@63 292 {
pankso@63 293 loader = gtk_drawing_area_new ();
pankso@63 294 gtk_widget_set_size_request (loader, 0, 1);
pankso@63 295 g_signal_connect (G_OBJECT (loader), "expose_event",
pankso@63 296 G_CALLBACK (expose_loader_cb), NULL);
pankso@63 297
pankso@63 298 return loader;
pankso@63 299 }
pankso@63 300
pankso@14 301 static GtkWidget*
pankso@14 302 create_toolbar ()
pankso@14 303 {
pankso@51 304 GtkToolItem* item;
pankso@14 305
pankso@58 306 toolbar = gtk_toolbar_new ();
pankso@63 307 gtk_widget_set_size_request (toolbar, 0, 33);
pankso@51 308 gtk_toolbar_set_orientation (GTK_TOOLBAR (toolbar),
pankso@51 309 GTK_ORIENTATION_HORIZONTAL);
pankso@51 310 gtk_toolbar_set_style (GTK_TOOLBAR (toolbar),
pankso@51 311 GTK_TOOLBAR_BOTH_HORIZ);
pankso@14 312
pankso@57 313 /* Home button */
pankso@51 314 item = gtk_tool_button_new_from_stock (GTK_STOCK_HOME);
pankso@51 315 g_signal_connect (G_OBJECT (item), "clicked",
pankso@51 316 G_CALLBACK (go_home_cb), NULL);
pankso@51 317 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@35 318
pankso@57 319 /* URL entry */
pankso@51 320 item = gtk_tool_item_new ();
pankso@51 321 gtk_tool_item_set_expand (item, TRUE);
pankso@51 322 uri_entry = gtk_entry_new ();
pankso@51 323 gtk_container_add (GTK_CONTAINER (item), uri_entry);
pankso@51 324 g_signal_connect (G_OBJECT (uri_entry), "activate",
pankso@58 325 G_CALLBACK (uri_entry_cb), NULL);
pankso@51 326 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@54 327
pankso@54 328 /* Separator */
pankso@57 329 item = gtk_separator_tool_item_new ();
pankso@57 330 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@52 331
pankso@57 332 /* Search entry */
pankso@52 333 item = gtk_tool_item_new ();
pankso@52 334 search_entry = gtk_entry_new ();
pankso@52 335 gtk_container_add (GTK_CONTAINER (item), search_entry);
pankso@52 336 g_signal_connect (G_OBJECT (search_entry), "activate",
pankso@58 337 G_CALLBACK (search_entry_cb), NULL);
pankso@52 338 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@35 339
pankso@51 340 /* The Fullscreen button */
pankso@51 341 item = gtk_tool_button_new_from_stock (GTK_STOCK_FULLSCREEN);
pankso@51 342 g_signal_connect (G_OBJECT (item), "clicked",
pankso@51 343 G_CALLBACK (fullscreen_cb), NULL);
pankso@51 344 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@51 345
pankso@51 346 return toolbar;
pankso@14 347 }
pankso@14 348
pankso@58 349 /* Main window */
pankso@2 350 static GtkWidget*
pankso@2 351 create_window ()
pankso@2 352 {
pankso@51 353 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
pankso@58 354 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
pankso@63 355
pankso@58 356 /* Default TazWeb window size ratio to 3/4 --> 720, 540*/
pankso@51 357 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
pankso@51 358 gtk_window_set_icon (GTK_WINDOW (window),
pankso@51 359 create_pixbuf ("/usr/share/pixmaps/tazweb.png"));
pankso@51 360 gtk_widget_set_name (window, "TazWeb");
pankso@51 361 g_signal_connect (window, "destroy", G_CALLBACK (destroy_cb), NULL);
pankso@63 362
pankso@63 363 /* Pack box and caontainer */
pankso@63 364 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
pankso@63 365 gtk_container_add (GTK_CONTAINER (vbox), create_loader());
pankso@63 366 gtk_box_set_child_packing (GTK_BOX (vbox), loader,
pankso@63 367 FALSE, FALSE, 0, GTK_PACK_START);
pankso@63 368 gtk_box_pack_start (GTK_BOX (vbox), create_toolbar (), FALSE, FALSE, 0);
pankso@58 369 gtk_container_add (GTK_CONTAINER (window), vbox);
pankso@2 370
pankso@58 371 main_window = window;
pankso@58 372 gtk_widget_show_all (main_window);
pankso@2 373 }
pankso@2 374
pankso@2 375 int
pankso@2 376 main (int argc, char* argv[])
pankso@2 377 {
pankso@51 378 gtk_init (&argc, &argv);
pankso@51 379 if (!g_thread_supported ())
pankso@51 380 g_thread_init (NULL);
pankso@2 381
pankso@51 382 get_config ();
pankso@58 383 create_window ();
pankso@58 384
pankso@52 385 /* Start page url or file */
pankso@52 386 uri = (gchar*) (argc > 1 ? argv[1] :
pankso@51 387 "file:///usr/share/webhome/index.html");
pankso@55 388
pankso@51 389 webkit_web_view_load_uri (web_view, uri);
pankso@51 390 gtk_widget_grab_focus (GTK_WIDGET (web_view));
pankso@58 391
pankso@51 392 gtk_main ();
pankso@51 393 return 0;
pankso@2 394 }