/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ /* nautilus-bookmark.c - implementation of individual bookmarks. Copyright (C) 1999, 2000 Eazel, Inc. The Gnome Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The Gnome Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the Gnome Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Authors: John Sullivan */ #include #include "nautilus-bookmark.h" #include #include #include #include #include #include "nautilus-file-utilities.h" #include "nautilus-gtk-macros.h" #include "nautilus-icon-factory.h" #include "nautilus-string.h" #include #include enum { CHANGED, LAST_SIGNAL }; #define GENERIC_BOOKMARK_ICON_NAME "i-bookmark" #define MISSING_BOOKMARK_ICON_NAME "i-bookmark-missing" static guint signals[LAST_SIGNAL]; struct NautilusBookmarkDetails { char *name; char *uri; NautilusScalableIcon *icon; NautilusFile *file; }; static void nautilus_bookmark_initialize_class (NautilusBookmarkClass *class); static void nautilus_bookmark_initialize (NautilusBookmark *bookmark); static GtkWidget *create_pixmap_widget_for_bookmark (NautilusBookmark *bookmark); NAUTILUS_DEFINE_CLASS_BOILERPLATE (NautilusBookmark, nautilus_bookmark, GTK_TYPE_OBJECT) /* GtkObject methods. */ static void nautilus_bookmark_destroy (GtkObject *object) { NautilusBookmark *bookmark; g_assert (NAUTILUS_IS_BOOKMARK (object)); bookmark = NAUTILUS_BOOKMARK(object); g_free (bookmark->details->name); g_free (bookmark->details->uri); if (bookmark->details->icon != NULL) { nautilus_scalable_icon_unref (bookmark->details->icon); } nautilus_file_unref (bookmark->details->file); g_free (bookmark->details); /* Chain up */ NAUTILUS_CALL_PARENT_CLASS (GTK_OBJECT_CLASS, destroy, (object)); } /* Initialization. */ static void nautilus_bookmark_initialize_class (NautilusBookmarkClass *class) { GtkObjectClass *object_class; object_class = GTK_OBJECT_CLASS (class); object_class->destroy = nautilus_bookmark_destroy; signals[CHANGED] = gtk_signal_new ("changed", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (NautilusBookmarkClass, changed), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL); } static void nautilus_bookmark_initialize (NautilusBookmark *bookmark) { bookmark->details = g_new0 (NautilusBookmarkDetails, 1); } /** * nautilus_bookmark_compare_with: * * Check whether two bookmarks are considered identical. * @a: first NautilusBookmark*. * @b: second NautilusBookmark*. * * Return value: 0 if @a and @b have same name and uri, 1 otherwise * (GCompareFunc style) **/ int nautilus_bookmark_compare_with (gconstpointer a, gconstpointer b) { NautilusBookmark *bookmark_a; NautilusBookmark *bookmark_b; g_return_val_if_fail (NAUTILUS_IS_BOOKMARK (a), 1); g_return_val_if_fail (NAUTILUS_IS_BOOKMARK (b), 1); bookmark_a = NAUTILUS_BOOKMARK (a); bookmark_b = NAUTILUS_BOOKMARK (b); if (strcmp (bookmark_a->details->name, bookmark_b->details->name) != 0) { return 1; } if (strcmp (bookmark_a->details->uri, bookmark_b->details->uri) != 0) { return 1; } return 0; } NautilusBookmark * nautilus_bookmark_copy (NautilusBookmark *bookmark) { g_return_val_if_fail (NAUTILUS_IS_BOOKMARK (bookmark), NULL); return nautilus_bookmark_new_with_icon ( bookmark->details->uri, bookmark->details->name, bookmark->details->icon); } char * nautilus_bookmark_get_name (NautilusBookmark *bookmark) { g_return_val_if_fail(NAUTILUS_IS_BOOKMARK (bookmark), NULL); return g_strdup (bookmark->details->name); } gboolean nautilus_bookmark_get_pixmap_and_mask (NautilusBookmark *bookmark, guint icon_size, GdkPixmap **pixmap_return, GdkBitmap **mask_return) { GdkPixbuf *pixbuf; pixbuf = nautilus_bookmark_get_pixbuf (bookmark, icon_size); if (pixbuf == NULL) { return FALSE; } gdk_pixbuf_render_pixmap_and_mask (pixbuf, pixmap_return, mask_return, 100); gdk_pixbuf_unref (pixbuf); return TRUE; } GdkPixbuf * nautilus_bookmark_get_pixbuf (NautilusBookmark *bookmark, guint icon_size) { g_return_val_if_fail (NAUTILUS_IS_BOOKMARK (bookmark), NULL); if (bookmark->details->icon == NULL) { return NULL; } return nautilus_icon_factory_get_pixbuf_for_icon (bookmark->details->icon, icon_size, icon_size, icon_size, icon_size, NULL); } NautilusScalableIcon * nautilus_bookmark_get_icon (NautilusBookmark *bookmark) { g_return_val_if_fail (NAUTILUS_IS_BOOKMARK (bookmark), NULL); if (bookmark->details->icon != NULL) { nautilus_scalable_icon_ref (bookmark->details->icon); } return bookmark->details->icon; } char * nautilus_bookmark_get_uri (NautilusBookmark *bookmark) { g_return_val_if_fail(NAUTILUS_IS_BOOKMARK (bookmark), NULL); return g_strdup (bookmark->details->uri); } /** * nautilus_bookmark_set_name: * * Change the user-displayed name of a bookmark. * @new_name: The new user-displayed name for this bookmark, mustn't be NULL. * **/ void nautilus_bookmark_set_name (NautilusBookmark *bookmark, const char *new_name) { g_return_if_fail(NAUTILUS_IS_BOOKMARK (bookmark)); g_return_if_fail (new_name != NULL); if (strcmp (new_name, bookmark->details->name) == 0) { return; } g_free (bookmark->details->name); bookmark->details->name = g_strdup (new_name); gtk_signal_emit (GTK_OBJECT (bookmark), signals[CHANGED]); } static gboolean nautilus_bookmark_icon_is_different (NautilusBookmark *bookmark, NautilusScalableIcon *new_icon) { char *new_uri, *new_name; char *old_uri, *old_name; gboolean result; g_assert (NAUTILUS_IS_BOOKMARK (bookmark)); g_assert (new_icon != NULL); /* Bookmarks only care about the uri and name. */ nautilus_scalable_icon_get_text_pieces (new_icon, &new_uri, &new_name, NULL, NULL); if (bookmark->details->icon == NULL) { result = !nautilus_str_is_empty (new_uri) || !nautilus_str_is_empty (new_name); } else { nautilus_scalable_icon_get_text_pieces (bookmark->details->icon, &old_uri, &old_name, NULL, NULL); result = nautilus_strcmp (old_uri, new_uri) != 0 || nautilus_strcmp (old_name, new_name) != 0; g_free (old_uri); g_free (old_name); } g_free (new_uri); g_free (new_name); return result; } /** * Update icon if there's a better one available. * Return TRUE if the icon changed. */ static gboolean nautilus_bookmark_update_icon (NautilusBookmark *bookmark) { NautilusScalableIcon *new_icon; g_assert (NAUTILUS_IS_BOOKMARK (bookmark)); if (bookmark->details->file == NULL) { return FALSE; } if (nautilus_icon_factory_is_icon_ready_for_file (bookmark->details->file)) { new_icon = nautilus_icon_factory_get_icon_for_file (bookmark->details->file, NULL, FALSE); if (nautilus_bookmark_icon_is_different (bookmark, new_icon)) { if (bookmark->details->icon != NULL) { nautilus_scalable_icon_unref (bookmark->details->icon); } nautilus_scalable_icon_ref (new_icon); bookmark->details->icon = new_icon; return TRUE; } } return FALSE; } static void bookmark_file_changed_callback (NautilusFile *file, NautilusBookmark *bookmark) { g_assert (NAUTILUS_IS_FILE (file)); g_assert (NAUTILUS_IS_BOOKMARK (bookmark)); g_assert (file == bookmark->details->file); /* Check whether the file knows about a better icon. */ if (nautilus_bookmark_update_icon (bookmark)) { gtk_signal_emit (GTK_OBJECT (bookmark), signals[CHANGED]); } } static void nautilus_bookmark_set_icon_to_default (NautilusBookmark *bookmark) { const char *icon_name; if (bookmark->details->icon != NULL) { nautilus_scalable_icon_unref (bookmark->details->icon); } if (nautilus_bookmark_uri_known_not_to_exist (bookmark)) { icon_name = MISSING_BOOKMARK_ICON_NAME; } else { icon_name = GENERIC_BOOKMARK_ICON_NAME; } bookmark->details->icon = nautilus_scalable_icon_new_from_text_pieces (NULL, icon_name, NULL, NULL, FALSE); } /** * nautilus_bookmark_new: * * Create a new NautilusBookmark from a text uri and a display name. * The initial icon for the bookmark will be based on the information * already available without any explicit action on NautilusBookmark's * part. * * @uri: Any uri, even a malformed or non-existent one. * @name: A string to display to the user as the bookmark's name. * * Return value: A newly allocated NautilusBookmark. * **/ NautilusBookmark * nautilus_bookmark_new (const char *uri, const char *name) { return nautilus_bookmark_new_with_icon (uri, name, NULL); } NautilusBookmark * nautilus_bookmark_new_with_icon (const char *uri, const char *name, NautilusScalableIcon *icon) { NautilusBookmark *new_bookmark; new_bookmark = gtk_type_new (NAUTILUS_TYPE_BOOKMARK); new_bookmark->details->name = g_strdup (name); new_bookmark->details->uri = g_strdup (uri); if (icon != NULL) { nautilus_scalable_icon_ref (icon); } new_bookmark->details->icon = icon; new_bookmark->details->file = nautilus_file_get (uri); /* Set initial icon based on available information. */ if (!nautilus_bookmark_update_icon (new_bookmark)) { if (new_bookmark->details->icon == NULL) { nautilus_bookmark_set_icon_to_default (new_bookmark); } } if (new_bookmark->details->file != NULL) { gtk_signal_connect_while_alive (GTK_OBJECT (new_bookmark->details->file), "changed", bookmark_file_changed_callback, new_bookmark, GTK_OBJECT (new_bookmark)); } return new_bookmark; } static GtkWidget * create_pixmap_widget_for_bookmark (NautilusBookmark *bookmark) { GdkPixmap *gdk_pixmap; GdkBitmap *mask; if (!nautilus_bookmark_get_pixmap_and_mask (bookmark, NAUTILUS_ICON_SIZE_FOR_MENUS, &gdk_pixmap, &mask)) { return NULL; } return gtk_pixmap_new (gdk_pixmap, mask); } /** * nautilus_bookmarnuk_menu_item_new: * * Return a menu item representing a bookmark. * @bookmark: The bookmark the menu item represents. * Return value: A newly-created bookmark, not yet shown. **/ GtkWidget * nautilus_bookmark_menu_item_new (NautilusBookmark *bookmark) { GtkWidget *menu_item; GtkWidget *pixmap_widget; GtkWidget *accel_label; /* Could check gnome_preferences_get_menus_have_icons here, but these * are more important than stock menu icons, since they're connected to * user data. For now let's not let them be turn-offable and see if * anyone objects strenuously. */ menu_item = gtk_pixmap_menu_item_new (); pixmap_widget = create_pixmap_widget_for_bookmark (bookmark); if (pixmap_widget != NULL) { gtk_widget_show (pixmap_widget); gtk_pixmap_menu_item_set_pixmap (GTK_PIXMAP_MENU_ITEM (menu_item), pixmap_widget); } accel_label = gtk_accel_label_new (bookmark->details->name); gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5); gtk_container_add (GTK_CONTAINER (menu_item), accel_label); gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), menu_item); gtk_widget_show (accel_label); return menu_item; } gboolean nautilus_bookmark_uri_known_not_to_exist (NautilusBookmark *bookmark) { char *path_name; gboolean exists; /* Convert to a path, returning FALSE if not local. */ path_name = nautilus_get_local_path_from_uri (bookmark->details->uri); if (path_name == NULL) { return FALSE; } /* Now check if the file exists (sync. call OK because it is local). */ exists = g_file_exists (path_name); g_free (path_name); return !exists; }