/* Application main window * * Demonstrates a typical application window, with menubar, toolbar, statusbar. */ #include static GtkWidget *window = NULL; static void menuitem_cb (gpointer callback_data, guint callback_action, GtkWidget *widget) { GtkWidget *dialog; dialog = gtk_message_dialog_new (GTK_WINDOW (callback_data), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_CLOSE, "You selected or toggled the menu item: \"%s\"", gtk_item_factory_path_from_widget (widget)); /* Close dialog on user response */ g_signal_connect (G_OBJECT (dialog), "response", G_CALLBACK (gtk_widget_destroy), NULL); gtk_widget_show (dialog); } static GtkItemFactoryEntry menu_items[] = { { "/_File", NULL, 0, 0, "" }, { "/File/_New", "N", menuitem_cb, 0, "", GTK_STOCK_NEW }, { "/File/_Open", "O", menuitem_cb, 0, "", GTK_STOCK_OPEN }, { "/File/_Save", "S", menuitem_cb, 0, "", GTK_STOCK_SAVE }, { "/File/Save _As...", NULL, menuitem_cb, 0, "", GTK_STOCK_SAVE }, { "/File/sep1", NULL, menuitem_cb, 0, "" }, { "/File/_Quit", "Q", menuitem_cb, 0, "", GTK_STOCK_QUIT }, { "/_Preferences", NULL, 0, 0, "" }, { "/_Preferences/_Color", NULL, 0, 0, "" }, { "/_Preferences/Color/_Red", NULL, menuitem_cb, 0, "" }, { "/_Preferences/Color/_Green", NULL, menuitem_cb, 0, "/Preferences/Color/Red" }, { "/_Preferences/Color/_Blue", NULL, menuitem_cb, 0, "/Preferences/Color/Red" }, { "/_Preferences/_Shape", NULL, 0, 0, "" }, { "/_Preferences/Shape/_Square", NULL, menuitem_cb, 0, "" }, { "/_Preferences/Shape/_Rectangle", NULL, menuitem_cb, 0, "/Preferences/Shape/Square" }, { "/_Preferences/Shape/_Oval", NULL, menuitem_cb, 0, "/Preferences/Shape/Rectangle" }, /* If you wanted this to be right justified you would use "", not "". * Right justified help menu items are generally considered a bad idea now days. */ { "/_Help", NULL, 0, 0, "" }, { "/Help/_About", NULL, menuitem_cb, 0 }, }; static void toolbar_cb (GtkWidget *button, gpointer data) { GtkWidget *dialog; dialog = gtk_message_dialog_new (GTK_WINDOW (data), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_CLOSE, "You selected a toolbar button"); /* Close dialog on user response */ g_signal_connect (G_OBJECT (dialog), "response", G_CALLBACK (gtk_widget_destroy), NULL); gtk_widget_show (dialog); } /* This function registers our custom toolbar icons, so they can be themed. * * It's totally optional to do this, you could just manually insert icons * and have them not be themeable, especially if you never expect people * to theme your app. */ static void register_stock_icons (void) { static gboolean registered = FALSE; if (!registered) { GdkPixbuf *pixbuf; GtkIconFactory *factory; static GtkStockItem items[] = { { "demo-gtk-logo", "_GTK!", 0, 0, NULL } }; registered = TRUE; /* Register our stock items */ gtk_stock_add (items, G_N_ELEMENTS (items)); /* Add our custom icon factory to the list of defaults */ factory = gtk_icon_factory_new (); gtk_icon_factory_add_default (factory); /* Try current directory */ pixbuf = gdk_pixbuf_new_from_file ("./gtk-logo-rgb.gif", NULL); /* Try install directory */ if (pixbuf == NULL) pixbuf = gdk_pixbuf_new_from_file (DEMOCODEDIR"/gtk-logo-rgb.gif", NULL); /* Register icon to accompany stock item */ if (pixbuf != NULL) { GtkIconSet *icon_set; GdkPixbuf *transparent; /* The gtk-logo-rgb icon has a white background, make it transparent */ transparent = gdk_pixbuf_add_alpha (pixbuf, TRUE, 0xff, 0xff, 0xff); icon_set = gtk_icon_set_new_from_pixbuf (transparent); gtk_icon_factory_add (factory, "demo-gtk-logo", icon_set); gtk_icon_set_unref (icon_set); g_object_unref (G_OBJECT (pixbuf)); g_object_unref (G_OBJECT (transparent)); } else g_warning ("failed to load GTK logo for toolbar"); /* Drop our reference to the factory, GTK will hold a reference. */ g_object_unref (G_OBJECT (factory)); } } static void update_statusbar (GtkTextBuffer *buffer, GtkStatusbar *statusbar) { gchar *msg; gint row, col; gint count; GtkTextIter iter; gtk_statusbar_pop (statusbar, 0); /* clear any previous message, underflow is allowed */ count = gtk_text_buffer_get_char_count (buffer); gtk_text_buffer_get_iter_at_mark (buffer, &iter, gtk_text_buffer_get_insert (buffer)); row = gtk_text_iter_get_line (&iter); col = gtk_text_iter_get_line_offset (&iter); msg = g_strdup_printf ("Cursor at row %d column %d - %d chars in document", row, col, count); gtk_statusbar_push (statusbar, 0, msg); g_free (msg); } static void mark_set_callback (GtkTextBuffer *buffer, const GtkTextIter *new_location, GtkTextMark *mark, gpointer data) { update_statusbar (buffer, GTK_STATUSBAR (data)); } GtkWidget * do_appwindow (void) { if (!window) { GtkWidget *table; GtkWidget *toolbar; GtkWidget *statusbar; GtkWidget *contents; GtkWidget *sw; GtkTextBuffer *buffer; GtkAccelGroup *accel_group; GtkItemFactory *item_factory; register_stock_icons (); /* Create the toplevel window */ window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_window_set_title (GTK_WINDOW (window), "Application Window"); /* NULL window variable when window is closed */ g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (gtk_widget_destroyed), &window); table = gtk_table_new (1, 4, FALSE); gtk_container_add (GTK_CONTAINER (window), table); /* Create the menubar */ accel_group = gtk_accel_group_new (); gtk_accel_group_attach (accel_group, G_OBJECT (window)); gtk_accel_group_unref (accel_group); item_factory = gtk_item_factory_new (GTK_TYPE_MENU_BAR, "
", accel_group); /* Set up item factory to go away with the window */ g_object_ref (item_factory); gtk_object_sink (GTK_OBJECT (item_factory)); g_object_set_data_full (G_OBJECT (window), "
", item_factory, (GDestroyNotify) g_object_unref); /* create menu items */ gtk_item_factory_create_items (item_factory, G_N_ELEMENTS (menu_items), menu_items, window); gtk_table_attach (GTK_TABLE (table), gtk_item_factory_get_widget (item_factory, "
"), /* X direction */ /* Y direction */ 0, 1, 0, 1, GTK_EXPAND | GTK_FILL, 0, 0, 0); /* Create the toolbar */ toolbar = gtk_toolbar_new (); gtk_toolbar_insert_stock (GTK_TOOLBAR (toolbar), GTK_STOCK_OPEN, "This is a demo button with an 'open' icon", NULL, G_CALLBACK (toolbar_cb), window, /* user data for callback */ -1); /* -1 means "append" */ gtk_toolbar_insert_stock (GTK_TOOLBAR (toolbar), GTK_STOCK_QUIT, "This is a demo button with a 'quit' icon", NULL, G_CALLBACK (toolbar_cb), window, /* user data for callback */ -1); /* -1 means "append" */ gtk_toolbar_append_space (GTK_TOOLBAR (toolbar)); gtk_toolbar_insert_stock (GTK_TOOLBAR (toolbar), "demo-gtk-logo", "This is a demo button with a 'gtk' icon", NULL, G_CALLBACK (toolbar_cb), window, /* user data for callback */ -1); /* -1 means "append" */ gtk_table_attach (GTK_TABLE (table), toolbar, /* X direction */ /* Y direction */ 0, 1, 1, 2, GTK_EXPAND | GTK_FILL, 0, 0, 0); /* Create document */ sw = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_IN); gtk_table_attach (GTK_TABLE (table), sw, /* X direction */ /* Y direction */ 0, 1, 2, 3, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0); gtk_window_set_default_size (GTK_WINDOW (window), 200, 200); contents = gtk_text_view_new (); gtk_container_add (GTK_CONTAINER (sw), contents); /* Create statusbar */ statusbar = gtk_statusbar_new (); gtk_table_attach (GTK_TABLE (table), statusbar, /* X direction */ /* Y direction */ 0, 1, 3, 4, GTK_EXPAND | GTK_FILL, 0, 0, 0); /* Show text widget info in the statusbar */ buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (contents)); g_signal_connect_object (buffer, "changed", G_CALLBACK (update_statusbar), statusbar, 0); g_signal_connect_object (buffer, "mark_set", /* cursor moved */ G_CALLBACK (mark_set_callback), statusbar, 0); update_statusbar (buffer, GTK_STATUSBAR (statusbar)); } if (!GTK_WIDGET_VISIBLE (window)) { gtk_widget_show_all (window); } else { gtk_widget_destroy (window); window = NULL; } return window; }