tazweb annotate src/main.c @ rev 60

Let have zoom functions! (menu item, search, download, zoom = binary at 20Kb :-)
author Christophe Lincoln <pankso@slitaz.org>
date Fri Apr 22 04:15:49 2011 +0200 (2011-04-22)
parents 1073112f24ce
children 1b31bef08447
rev   line source
pankso@2 1 /*
paul@42 2 * TazWeb is a radically simple web browser providing a single window
paul@42 3 * with a single toolbar with buttons and an URL entry, but no menu or
paul@42 4 * tabs.
pankso@44 5 *
pankso@2 6 * Copyright (C) 2011 SliTaz GNU/Linux <devel@slitaz.org>
pankso@44 7 *
pankso@2 8 */
pankso@2 9
pankso@2 10 #include <gtk/gtk.h>
pankso@2 11 #include <webkit/webkit.h>
pankso@2 12
pankso@58 13 static GtkWidget *main_window, *scrolled, *toolbar, *uri_entry, *search_entry;
pankso@2 14 static WebKitWebView* web_view;
pankso@55 15 static WebKitWebFrame* frame;
pankso@2 16 static gdouble load_progress;
pankso@2 17 static guint status_context_id;
pankso@57 18 static gchar* main_title;
pankso@57 19
pankso@52 20 const gchar* config;
pankso@52 21 const gchar* uri;
pankso@50 22
pankso@50 23 /* Create an icon */
pankso@50 24 static GdkPixbuf*
pankso@50 25 create_pixbuf (const gchar * image)
pankso@50 26 {
pankso@50 27 GdkPixbuf *pixbuf;
pankso@50 28 pixbuf = gdk_pixbuf_new_from_file (image, NULL);
pankso@50 29 return pixbuf;
pankso@50 30 }
pankso@50 31
pankso@50 32 /* Get a default page.html if missing */
pankso@50 33 static void
pankso@50 34 get_config ()
pankso@50 35 {
pankso@50 36 config = g_strdup_printf ("%s/.config/tazweb", g_get_home_dir ());
pankso@52 37 if (! g_file_test(config, G_FILE_TEST_EXISTS)) {
pankso@50 38 g_mkdir (config, 0700);
pankso@50 39 system ("cp /usr/share/tazweb/* $HOME/.config/tazweb");
pankso@50 40 }
pankso@50 41 }
pankso@2 42
pankso@2 43 /* Page title to window title */
pankso@2 44 static void
pankso@2 45 update_title (GtkWindow* window)
pankso@2 46 {
pankso@51 47 GString* string = g_string_new (main_title);
pankso@51 48 /* g_string_append (string, " - TazWeb"); */
pankso@51 49 if (load_progress < 100)
pankso@51 50 g_string_append_printf (string, " [ %f%% ] ", load_progress);
pankso@51 51 gchar* title = g_string_free (string, FALSE);
pankso@51 52 gtk_window_set_title (window, title);
pankso@51 53 g_free (title);
pankso@2 54 }
pankso@2 55
pankso@2 56 static void
pankso@2 57 notify_title_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@2 58 {
pankso@51 59 if (main_title)
pankso@51 60 g_free (main_title);
pankso@51 61 main_title = g_strdup (webkit_web_view_get_title(web_view));
pankso@51 62 update_title (GTK_WINDOW (main_window));
pankso@2 63 }
pankso@2 64
pankso@2 65 /* Request progress in window title */
pankso@2 66 static void
pankso@2 67 notify_progress_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@2 68 {
pankso@51 69 load_progress = webkit_web_view_get_progress (web_view) * 100;
pankso@51 70 update_title (GTK_WINDOW (main_window));
pankso@2 71 }
pankso@2 72
pankso@2 73 static void
pankso@34 74 notify_load_status_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
pankso@33 75 {
pankso@51 76 if (webkit_web_view_get_load_status (web_view) == WEBKIT_LOAD_COMMITTED) {
pankso@55 77 frame = webkit_web_view_get_main_frame (web_view);
pankso@52 78 uri = webkit_web_frame_get_uri (frame);
pankso@51 79 if (uri)
pankso@51 80 gtk_entry_set_text (GTK_ENTRY (uri_entry), uri);
pankso@51 81 }
pankso@33 82 }
pankso@33 83
pankso@33 84 static void
pankso@2 85 destroy_cb (GtkWidget* widget, gpointer data)
pankso@2 86 {
pankso@51 87 gtk_main_quit ();
pankso@2 88 }
pankso@2 89
pankso@57 90 /* Show page source */
pankso@55 91 static void
pankso@55 92 view_source_cb ()
pankso@55 93 {
pankso@55 94 gboolean source;
pankso@55 95
pankso@55 96 frame = webkit_web_view_get_main_frame (web_view);
pankso@55 97 uri = webkit_web_frame_get_uri (frame);
pankso@55 98 source = webkit_web_view_get_view_source_mode (web_view);
pankso@55 99
pankso@55 100 webkit_web_view_set_view_source_mode(web_view, !source);
pankso@55 101 webkit_web_view_load_uri (web_view, uri);
pankso@57 102 }
pankso@55 103
pankso@52 104 /* URL entry callback function */
pankso@14 105 static void
pankso@58 106 uri_entry_cb (GtkWidget* entry, gpointer data)
pankso@14 107 {
pankso@52 108 uri = gtk_entry_get_text (GTK_ENTRY (entry));
pankso@51 109 g_assert (uri);
pankso@51 110 webkit_web_view_load_uri (web_view, uri);
pankso@14 111 }
pankso@14 112
pankso@52 113 /* Search entry callback function */
pankso@35 114 static void
pankso@58 115 search_entry_cb (GtkWidget* entry, gpointer data)
pankso@35 116 {
pankso@52 117 uri = g_strdup_printf ("http://www.google.com/search?q=%s",
pankso@52 118 gtk_entry_get_text (GTK_ENTRY (entry)));
pankso@52 119 g_assert (uri);
pankso@52 120 webkit_web_view_load_uri (web_view, uri);
pankso@52 121 }
pankso@52 122
pankso@52 123 /* Home button callback function */
pankso@52 124 static void
pankso@52 125 go_home_cb (GtkWidget* widget, gpointer data)
pankso@52 126 {
pankso@52 127 uri = g_strdup_printf ("file://%s/.config/tazweb/home.html",
pankso@51 128 g_get_home_dir ());
pankso@51 129 g_assert (uri);
pankso@51 130 webkit_web_view_load_uri (web_view, uri);
pankso@35 131 }
pankso@35 132
pankso@52 133 /* Fullscreen and unfullscreen callback function */
pankso@44 134 static void
pankso@22 135 fullscreen_cb (GtkWindow* window, gpointer data)
pankso@22 136 {
pankso@51 137 GdkWindowState state;
pankso@51 138 state = gdk_window_get_state (gtk_widget_get_window (GTK_WIDGET (main_window)));
pankso@22 139
pankso@51 140 if (state & GDK_WINDOW_STATE_FULLSCREEN)
pankso@51 141 gtk_window_unfullscreen (GTK_WINDOW (main_window));
pankso@51 142 else
pankso@51 143 gtk_window_fullscreen (GTK_WINDOW (main_window));
pankso@22 144 }
pankso@22 145
pankso@52 146 /* TazWeb doc callback function */
pankso@14 147 static void
pankso@21 148 tazweb_doc_cb (GtkWidget* widget, gpointer data)
pankso@14 149 {
pankso@52 150 uri = ("file:///usr/share/doc/tazweb/tazweb.html");
pankso@51 151 g_assert (uri);
pankso@51 152 webkit_web_view_load_uri (web_view, uri);
pankso@14 153 }
pankso@14 154
pankso@44 155 /* Download function */
pankso@44 156 static gboolean
pankso@44 157 download_requested_cb (WebKitWebView *web_view, WebKitDownload *download,
pankso@51 158 gpointer user_data)
pankso@44 159 {
pankso@52 160 uri = webkit_download_get_uri (download);
pankso@51 161 gchar *buffer;
pankso@51 162 asprintf (&buffer, "tazbox dl-out %s", uri);
pankso@51 163 system (buffer);
pankso@44 164 }
pankso@44 165
pankso@60 166 /* Zoom ou and in callback function */
pankso@60 167 static void
pankso@60 168 zoom_out_cb (GtkWidget *main_window)
pankso@60 169 {
pankso@60 170 webkit_web_view_zoom_out (web_view);
pankso@60 171 }
pankso@60 172
pankso@60 173 static void
pankso@60 174 zoom_in_cb (GtkWidget *main_window)
pankso@60 175 {
pankso@60 176 webkit_web_view_zoom_in (web_view);
pankso@60 177 }
pankso@60 178
pankso@57 179 /* Add items to WebKit contextual menu */
pankso@57 180 static void
pankso@57 181 populate_menu_cb (WebKitWebView *web_view, GtkMenu *menu, gpointer data)
pankso@57 182 {
pankso@57 183 GtkWidget *item;
pankso@57 184
pankso@57 185 /* separator */
pankso@57 186 item = gtk_separator_menu_item_new ();
pankso@57 187 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 188
pankso@60 189 /* Zoom in */
pankso@60 190 item = gtk_image_menu_item_new_with_label ("Zoom in");
pankso@60 191 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 192 gtk_image_new_from_stock (GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU));
pankso@60 193 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 194 g_signal_connect (item, "activate", G_CALLBACK (zoom_in_cb), NULL);
pankso@60 195
pankso@60 196 /* Zoom out */
pankso@60 197 item = gtk_image_menu_item_new_with_label ("Zoom out");
pankso@60 198 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@60 199 gtk_image_new_from_stock (GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU));
pankso@60 200 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 201 g_signal_connect (item, "activate", G_CALLBACK (zoom_out_cb), NULL);
pankso@60 202
pankso@60 203 /* separator */
pankso@60 204 item = gtk_separator_menu_item_new ();
pankso@60 205 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@60 206
pankso@59 207 /* TazWeb documentation */
pankso@59 208 item = gtk_image_menu_item_new_with_label ("TazWeb manual");
pankso@59 209 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@59 210 gtk_image_new_from_stock (GTK_STOCK_INFO, GTK_ICON_SIZE_MENU));
pankso@59 211 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@59 212 g_signal_connect (item, "activate", G_CALLBACK (tazweb_doc_cb), NULL);
pankso@59 213
pankso@57 214 /* View source mode */
pankso@59 215 item = gtk_image_menu_item_new_with_label ("View source mode");
pankso@57 216 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
pankso@57 217 gtk_image_new_from_stock (GTK_STOCK_PROPERTIES, GTK_ICON_SIZE_MENU));
pankso@57 218 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
pankso@57 219 g_signal_connect (item, "activate", G_CALLBACK (view_source_cb), NULL);
pankso@57 220
pankso@57 221 gtk_widget_show_all (GTK_WIDGET (menu));
pankso@57 222 }
pankso@57 223
pankso@58 224 /* Scrolled window for the web_view */
pankso@2 225 static GtkWidget*
pankso@2 226 create_browser ()
pankso@2 227 {
pankso@58 228 scrolled = gtk_scrolled_window_new (NULL, NULL);
pankso@58 229 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
pankso@51 230 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
pankso@2 231
pankso@51 232 web_view = WEBKIT_WEB_VIEW (webkit_web_view_new ());
pankso@58 233 gtk_container_add (GTK_CONTAINER (scrolled), GTK_WIDGET (web_view));
pankso@2 234
pankso@57 235 /* Connect events */
pankso@51 236 g_signal_connect (web_view, "notify::title",
pankso@51 237 G_CALLBACK (notify_title_cb), web_view);
pankso@51 238 g_signal_connect (web_view, "notify::progress",
pankso@51 239 G_CALLBACK (notify_progress_cb), web_view);
pankso@51 240 g_signal_connect (web_view, "notify::load-status",
pankso@51 241 G_CALLBACK (notify_load_status_cb), web_view);
pankso@51 242 g_signal_connect (web_view, "download-requested",
pankso@51 243 G_CALLBACK (download_requested_cb), NULL);
pankso@2 244
pankso@57 245 /* Connect WebKit contextual menu items */
pankso@57 246 g_object_connect (G_OBJECT (web_view), "signal::populate-popup",
pankso@57 247 G_CALLBACK (populate_menu_cb), web_view, NULL);
pankso@57 248
pankso@58 249 return scrolled;
pankso@2 250 }
pankso@2 251
pankso@14 252 static GtkWidget*
pankso@14 253 create_toolbar ()
pankso@14 254 {
pankso@51 255 GtkToolItem* item;
pankso@14 256
pankso@58 257 toolbar = gtk_toolbar_new ();
pankso@51 258 gtk_widget_set_size_request (toolbar, 0, 31);
pankso@51 259 gtk_toolbar_set_orientation (GTK_TOOLBAR (toolbar),
pankso@51 260 GTK_ORIENTATION_HORIZONTAL);
pankso@51 261 gtk_toolbar_set_style (GTK_TOOLBAR (toolbar),
pankso@51 262 GTK_TOOLBAR_BOTH_HORIZ);
pankso@14 263
pankso@57 264 /* Home button */
pankso@51 265 item = gtk_tool_button_new_from_stock (GTK_STOCK_HOME);
pankso@51 266 g_signal_connect (G_OBJECT (item), "clicked",
pankso@51 267 G_CALLBACK (go_home_cb), NULL);
pankso@51 268 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@35 269
pankso@57 270 /* URL entry */
pankso@51 271 item = gtk_tool_item_new ();
pankso@51 272 gtk_tool_item_set_expand (item, TRUE);
pankso@51 273 uri_entry = gtk_entry_new ();
pankso@51 274 gtk_container_add (GTK_CONTAINER (item), uri_entry);
pankso@51 275 g_signal_connect (G_OBJECT (uri_entry), "activate",
pankso@58 276 G_CALLBACK (uri_entry_cb), NULL);
pankso@51 277 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@54 278
pankso@54 279 /* Separator */
pankso@57 280 item = gtk_separator_tool_item_new ();
pankso@57 281 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@52 282
pankso@57 283 /* Search entry */
pankso@52 284 item = gtk_tool_item_new ();
pankso@52 285 search_entry = gtk_entry_new ();
pankso@52 286 gtk_container_add (GTK_CONTAINER (item), search_entry);
pankso@52 287 g_signal_connect (G_OBJECT (search_entry), "activate",
pankso@58 288 G_CALLBACK (search_entry_cb), NULL);
pankso@52 289 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@35 290
pankso@51 291 /* The Fullscreen button */
pankso@51 292 item = gtk_tool_button_new_from_stock (GTK_STOCK_FULLSCREEN);
pankso@51 293 g_signal_connect (G_OBJECT (item), "clicked",
pankso@51 294 G_CALLBACK (fullscreen_cb), NULL);
pankso@51 295 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
pankso@51 296
pankso@51 297 return toolbar;
pankso@14 298 }
pankso@14 299
pankso@58 300 /* Main window */
pankso@2 301 static GtkWidget*
pankso@2 302 create_window ()
pankso@2 303 {
pankso@51 304 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
pankso@58 305 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
pankso@58 306
pankso@58 307 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
pankso@58 308 gtk_box_pack_start (GTK_BOX (vbox), create_toolbar (), FALSE, FALSE, 0);
pankso@58 309
pankso@58 310 /* Default TazWeb window size ratio to 3/4 --> 720, 540*/
pankso@51 311 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
pankso@51 312 gtk_window_set_icon (GTK_WINDOW (window),
pankso@51 313 create_pixbuf ("/usr/share/pixmaps/tazweb.png"));
pankso@51 314 gtk_widget_set_name (window, "TazWeb");
pankso@51 315 g_signal_connect (window, "destroy", G_CALLBACK (destroy_cb), NULL);
pankso@58 316 gtk_container_add (GTK_CONTAINER (window), vbox);
pankso@2 317
pankso@58 318 main_window = window;
pankso@58 319 gtk_widget_show_all (main_window);
pankso@2 320 }
pankso@2 321
pankso@2 322 int
pankso@2 323 main (int argc, char* argv[])
pankso@2 324 {
pankso@51 325 gtk_init (&argc, &argv);
pankso@51 326 if (!g_thread_supported ())
pankso@51 327 g_thread_init (NULL);
pankso@2 328
pankso@51 329 get_config ();
pankso@58 330 create_window ();
pankso@58 331
pankso@52 332 /* Start page url or file */
pankso@52 333 uri = (gchar*) (argc > 1 ? argv[1] :
pankso@51 334 "file:///usr/share/webhome/index.html");
pankso@55 335
pankso@51 336 webkit_web_view_load_uri (web_view, uri);
pankso@51 337 gtk_widget_grab_focus (GTK_WIDGET (web_view));
pankso@58 338
pankso@51 339 gtk_main ();
pankso@51 340 return 0;
pankso@2 341 }