path: root/src/nautilus-location-bar.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */

/*
 * Nautilus
 *
 * Copyright (C) 2000 Eazel, Inc.
 *
 * Nautilus is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * Nautilus 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; see the file COPYING.  If not,
 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author: Maciej Stachowiak <mjs@eazel.com>
 *         Ettore Perazzoli <ettore@gnu.org>
 *         Michael Meeks <michael@nuclecu.unam.mx>
 *	   Andy Hertzfeld <andy@eazel.com>
 *
 */

/* nautilus-location-bar.c - Location bar for Nautilus
 */

#include <config.h>
#include "nautilus-location-bar.h"

#include "nautilus-window-private.h"
#include "nautilus-window.h"
#include <eel/eel-glib-extensions.h>
#include <eel/eel-gtk-macros.h>
#include <eel/eel-stock-dialogs.h>
#include <eel/eel-string.h>
#include <eel/eel-vfs-extensions.h>
#include <gtk/gtkdnd.h>
#include <gtk/gtkeventbox.h>
#include <gtk/gtksignal.h>
#include <libgnome/gnome-i18n.h>
#include <libgnomeui/gnome-stock-icons.h>
#include <libgnomeui/gnome-uidefs.h>
#include <libgnomevfs/gnome-vfs.h>
#include <libnautilus-private/nautilus-entry.h>
#include <libnautilus/nautilus-clipboard.h>
#include <stdio.h>
#include <string.h>

#define NAUTILUS_DND_URI_LIST_TYPE 	  "text/uri-list"
#define NAUTILUS_DND_TEXT_PLAIN_TYPE 	  "text/plain"
#define NAUTILUS_DND_URL_TYPE		  "_NETSCAPE_URL"

static const char untranslated_location_label[] = N_("Location:");
static const char untranslated_go_to_label[] = N_("Go To:");
#define LOCATION_LABEL _(untranslated_location_label)
#define GO_TO_LABEL _(untranslated_go_to_label)

struct NautilusLocationBarDetails {
	GtkLabel *label;
	NautilusEntry *entry;
	
	char *last_location;
	
	char *current_directory;
	GList *file_info_list;
	
	guint idle_id;
};

enum {
	NAUTILUS_DND_MC_DESKTOP_ICON,
	NAUTILUS_DND_URI_LIST,
	NAUTILUS_DND_TEXT_PLAIN,
	NAUTILUS_DND_URL,
	NAUTILUS_DND_NTARGETS
};

static GtkTargetEntry drag_types [] = {
	{ NAUTILUS_DND_URI_LIST_TYPE,   0, NAUTILUS_DND_URI_LIST },
	{ NAUTILUS_DND_TEXT_PLAIN_TYPE, 0, NAUTILUS_DND_TEXT_PLAIN },
	{ NAUTILUS_DND_URL_TYPE,        0, NAUTILUS_DND_URL }
};

static GtkTargetEntry drop_types [] = {
	{ NAUTILUS_DND_URI_LIST_TYPE,   0, NAUTILUS_DND_URI_LIST },
	{ NAUTILUS_DND_TEXT_PLAIN_TYPE, 0, NAUTILUS_DND_TEXT_PLAIN },
	{ NAUTILUS_DND_URL_TYPE,        0, NAUTILUS_DND_URL }
};

static char *nautilus_location_bar_get_location     (NautilusNavigationBar    *navigation_bar); 
static void  nautilus_location_bar_set_location     (NautilusNavigationBar    *navigation_bar,
						     const char               *location);
static void  nautilus_location_bar_class_init (NautilusLocationBarClass *class);
static void  nautilus_location_bar_init       (NautilusLocationBar      *bar);
static void  nautilus_location_bar_update_label     (NautilusLocationBar      *bar);

EEL_CLASS_BOILERPLATE (NautilusLocationBar,
				   nautilus_location_bar,
				   NAUTILUS_TYPE_NAVIGATION_BAR)

static NautilusWindow *
nautilus_location_bar_get_window (GtkWidget *bar)
{

	return NAUTILUS_WINDOW (gtk_widget_get_ancestor (bar, NAUTILUS_TYPE_WINDOW));
}

static void
drag_data_received_callback (GtkWidget *widget,
		       	     GdkDragContext *context,
		       	     int x,
		       	     int y,
		       	     GtkSelectionData *data,
		             guint info,
		             guint32 time,
			     gpointer callback_data)
{
	GList *names, *node;
	NautilusApplication *application;
	int name_count;
	NautilusWindow *new_window;
	gboolean new_windows_for_extras;
	char *prompt;

	g_assert (NAUTILUS_IS_LOCATION_BAR (widget));
	g_assert (data != NULL);
	g_assert (callback_data == NULL);

#if GNOME2_CONVERSION_COMPLETE
	names = gnome_uri_list_extract_uris (data->data);
#else
	names = NULL;
#endif

	if (names == NULL) {
		g_warning ("No D&D URI's");
		gtk_drag_finish (context, FALSE, FALSE, time);
		return;
	}

	new_windows_for_extras = FALSE;
	/* Ask user if they really want to open multiple windows
	 * for multiple dropped URIs. This is likely to have been
	 * a mistake.
	 */
	name_count = g_list_length (names);
	if (name_count > 1) {
		prompt = g_strdup_printf (_("Do you want to view these %d locations "
					  "in separate windows?"), 
					  name_count);
		new_windows_for_extras = eel_run_simple_dialog 
			(GTK_WIDGET (nautilus_location_bar_get_window (widget)),
			 TRUE,
			 prompt,
			 _("View in Multiple Windows?"),
			 GTK_STOCK_OK, GTK_STOCK_CANCEL,
			 NULL) == GNOME_OK;

		g_free (prompt);
		
		if (!new_windows_for_extras) {
			gtk_drag_finish (context, FALSE, FALSE, time);
			return;
		}
	}

	nautilus_navigation_bar_set_location (NAUTILUS_NAVIGATION_BAR (widget),
					      names->data);	
	nautilus_navigation_bar_location_changed (NAUTILUS_NAVIGATION_BAR (widget));

	if (new_windows_for_extras) {
		application = nautilus_location_bar_get_window (widget)->application;
		for (node = names->next; node != NULL; node = node->next) {
			new_window = nautilus_application_create_window (application);
			nautilus_window_go_to (new_window, node->data);
		}
	}
						  
#if GNOME2_CONVERSION_COMPLETE
	gnome_uri_list_free_strings (names);
#endif

	gtk_drag_finish (context, TRUE, FALSE, time);
}

static void
drag_data_get_callback (GtkWidget *widget,
		  	GdkDragContext *context,
		  	GtkSelectionData *selection_data,
		  	guint info,
		 	guint32 time,
			gpointer callback_data)
{
	NautilusNavigationBar *bar;
	char *entry_text;

	g_assert (selection_data != NULL);
	bar = NAUTILUS_NAVIGATION_BAR (callback_data);

	entry_text = nautilus_navigation_bar_get_location (bar);
	
	switch (info) {
	case NAUTILUS_DND_URI_LIST:
	case NAUTILUS_DND_TEXT_PLAIN:
	case NAUTILUS_DND_URL:
		gtk_selection_data_set (selection_data,
					selection_data->target,
					8, (guchar *) entry_text,
					eel_strlen (entry_text));
		break;
	default:
		g_assert_not_reached ();
	}
	g_free (entry_text);
}

/* routine that determines the usize for the label widget as larger
   then the size of the largest string and then sets it to that so
   that we don't have localization problems. see
   gtk_label_finalize_lines in gtklabel.c (line 618) for the code that
   we are imitating here. */

static void
style_set_handler (GtkWidget *widget, GtkStyle *previous_style)
{
#if GNOME2_CONVERSION_COMPLETE
	int width;

	width = gdk_string_width (widget->style->font, GO_TO_LABEL);
	width = MAX (width, gdk_string_width (widget->style->font, LOCATION_LABEL));

	width += 2 * GTK_MISC (widget)->xpad;
	
	gtk_widget_set_usize (widget, width, -1);
#endif
}

#if GNOME2_CONVERSION_COMPLETE

/* utility routine to determine the string to expand to.  If we don't have anything yet, accept
   the whole string, otherwise accept the largest part common to both */

static char *
accumulate_name(char *full_name, char *candidate_name)
{
	char *result_name, *str1, *str2;

	if (full_name == NULL)
		result_name = g_strdup (candidate_name);
	else {
		result_name = full_name;
		if (!eel_str_has_prefix (full_name, candidate_name)) {
			str1 = full_name;
			str2 = candidate_name;
			while ((*str1++ == *str2++)) { }
			*--str1 = '\0';
		}
	}
	
	return result_name;
}

/* utility routine to load the file info list for the current directory, if necessary */
static void
get_file_info_list (NautilusLocationBar *bar, const char* dir_name)
{
	GnomeVFSResult result;
	if (eel_strcmp (bar->details->current_directory, dir_name) != 0) {
		g_free (bar->details->current_directory);
		if (bar->details->file_info_list) {
			gnome_vfs_file_info_list_free (bar->details->file_info_list);	
			bar->details->file_info_list = NULL;		
		}
		
		bar->details->current_directory = g_strdup (dir_name);
		result = gnome_vfs_directory_list_load (&bar->details->file_info_list, dir_name,
							GNOME_VFS_FILE_INFO_DEFAULT);
		if (result != GNOME_VFS_OK) {
			if (bar->details->file_info_list) {
				gnome_vfs_file_info_list_free (bar->details->file_info_list);	
				bar->details->file_info_list = NULL;			
			}
		}
	}
}

/* routine that performs the tab expansion using gnome-vfs.  Extract the directory name and
  incomplete basename, then iterate through the directory trying to complete it.  If we
  find something, add it to the entry */
  
static gboolean
try_to_expand_path (gpointer callback_data)
{
	NautilusLocationBar *bar;

	GnomeVFSFileInfo *current_file_info;
	GList *element;
	GnomeVFSURI *uri;
	GtkEditable *editable;
	
	uint base_length;
	int current_path_length;
	int offset;
	char *base_name_uri_escaped;
	char *base_name;
	char *user_location;
	char *current_path;
	char *dir_name;
	char *expand_text;
	char *expand_name;

	bar = NAUTILUS_LOCATION_BAR (callback_data);

	editable = GTK_EDITABLE (bar->details->entry);
	user_location = gtk_editable_get_chars (editable, 0, -1);
	bar->details->idle_id = 0;
	
	/* if it's just '~' or '~/', don't expand because slash shouldn't be appended */
	if (eel_strcmp (user_location, "~") == 0
	    || eel_strcmp (user_location, "~/") == 0) {
		g_free (user_location);
		return FALSE;
	}
	current_path = eel_make_uri_from_input (user_location);

	if (!eel_istr_has_prefix (current_path, "file://")) {
		g_free (user_location);
		g_free (current_path);
		return FALSE;
	}

	current_path_length = strlen (current_path);	
	offset = current_path_length - strlen (user_location);

	g_free (user_location);

	uri = gnome_vfs_uri_new (current_path);
	
	base_name_uri_escaped = gnome_vfs_uri_extract_short_name (uri);
	if (base_name_uri_escaped == NULL) {
		base_name = NULL;
	} else {
		base_name = gnome_vfs_unescape_string (base_name_uri_escaped, NULL);
	}
	g_free (base_name_uri_escaped);

	if (base_name == NULL) {
		gnome_vfs_uri_unref (uri);
		g_free (current_path);
		return FALSE;	
	}

	base_length = strlen (base_name);
	dir_name = gnome_vfs_uri_extract_dirname (uri);

	/* get file info for the directory, if it hasn't changed since last time */
	get_file_info_list (bar, dir_name);	
	if (bar->details->file_info_list == NULL) {
		g_free (dir_name);
		g_free (base_name);
		gnome_vfs_uri_unref (uri);
		g_free (current_path);
		return FALSE;
	}

	/* iterate through the directory, keeping the intersection of all the names that
	   have the current basename as a prefix. */

	expand_text = NULL;
	for (element = bar->details->file_info_list; element != NULL; element = element->next) {
		current_file_info = element->data;
		if (eel_str_has_prefix (current_file_info->name, base_name)) {
			if (current_file_info->type == GNOME_VFS_FILE_TYPE_DIRECTORY) {
				expand_name = g_strconcat (current_file_info->name, "/", NULL);
			} else {
				expand_name = g_strdup (current_file_info->name);
			}
			expand_text = accumulate_name (expand_text, expand_name);
			g_free (expand_name);
		}
	}
	
	/* if we've got something, add it to the entry */	
	if (expand_text != NULL
	    && !eel_str_has_suffix (current_path, expand_text)
	    && base_length < strlen (expand_text)) {
		gtk_entry_append_text (GTK_ENTRY (editable), expand_text + base_length);
		gtk_entry_select_region (GTK_ENTRY (editable),
					 current_path_length - offset,
					 current_path_length - offset + strlen (expand_text) - base_length);
	}
	g_free (expand_text);

	g_free (dir_name);
	g_free (base_name);
	g_free (current_path);

	return FALSE;
}

/* Until we have a more elegant solution, this is how we figure out if
 * the GtkEntry inserted characters, assuming that the return value is
 * TRUE indicating that the GtkEntry consumed the key event for some
 * reason. This is a clone of code from GtkEntry.
 */
static gboolean
entry_would_have_inserted_characters (const GdkEventKey *event)
{
	switch (event->keyval) {
	case GDK_BackSpace:
	case GDK_Clear:
	case GDK_Insert:
	case GDK_Delete:
	case GDK_Home:
	case GDK_End:
	case GDK_Left:
	case GDK_Right:
	case GDK_Return:
		return FALSE;
	default:
		if (event->keyval >= 0x20 && event->keyval <= 0xFF) {
			if ((event->state & GDK_CONTROL_MASK) != 0) {
				return FALSE;
			}
			if ((event->state & GDK_MOD1_MASK) != 0) {
				return FALSE;
			}
		}
		return event->length > 0;
	}
}

static int
get_editable_length (GtkEditable *editable)
{
	char *text;
	int length;

	text = gtk_editable_get_chars (editable, 0, -1);
	length = strlen (text);
	g_free (text);
	return length;
}

static gboolean
has_exactly_one_slash (GtkEditable *editable)
{
	char *text, *slash;
	gboolean exactly_one;

	text = gtk_editable_get_chars (editable, 0, -1);
	slash = strchr (text, '/');
	exactly_one = slash != NULL && strchr (slash + 1, '/') == NULL;
	g_free (text);

	return exactly_one;
}

static void
set_position_and_selection_to_end (GtkEditable *editable)
{
	int end;

	end = get_editable_length (editable);
	gtk_editable_select_region (editable, end, end);
	gtk_editable_set_position (editable, end);
}

static gboolean
position_and_selection_are_at_end (GtkEditable *editable)
{
	int end;
	int start_sel, end_sel;
	
	end = get_editable_length (editable);
	if (gtk_editable_get_selection_bounds (editable, &start_sel, &end_sel)) {
		if (start_sel != end || end_sel != end) {
			return FALSE;
		}
	}
	return gtk_editable_get_position (editable) == end;
}

/* Handle changes in the location entry. This is a marshal-style
 * callback so that we don't mess up the return value.
 */
static void
editable_key_press_callback (GtkObject *object,
			     gpointer data,
			     guint n_args,
			     GtkArg *args)
{
	GtkEditable *editable;
	GdkEventKey *event;
	gboolean *return_value_location;
	NautilusLocationBar *bar;
	const char *unexpanded_text;
	char *expanded_text;
	
	g_assert (n_args == 1);
	g_assert (args != NULL);

	bar = NAUTILUS_LOCATION_BAR (data);

	editable = GTK_EDITABLE (object);
	event = GTK_VALUE_POINTER (args[0]);
	return_value_location = GTK_RETLOC_BOOL (args[1]);

	/* After typing the right arrow key we move the selection to
	 * the end.
	 */
	/* FIXME: Why do this? This breaks key combinations like
	 * Ctrl-Right to move a word at a time and Shift-Right to
	 * extend the selection by a single character, and also means
	 * you can't move through the text a character at a
	 * time. Seems like a bad idea.
	 */
	if ((event->keyval == GDK_Right || event->keyval == GDK_End)
	    && gtk_editable_get_selection_bounds (editable, NULL, NULL)) {
		set_position_and_selection_to_end (editable);
	}

	/* Only do expanding when we are typing at the end of the
	 * text. Do the expand at idle time to avoid slowing down
	 * typing when the directory is large. Only trigger the expand
	 * when we type a key that would have inserted characters.
	 */
	if (position_and_selection_are_at_end (editable)) {
		if (*return_value_location
		    && entry_would_have_inserted_characters (event)) {
			if (event->keyval == GDK_slash
			    && has_exactly_one_slash (editable)) {
				/* It's OK for us to call
				 * gtk_entry_set_text here, even
				 * though it has a side effect of
				 * putting the position and selection
				 * at the end, since the position and
				 * selection are already at the end.
				 */
				unexpanded_text = gtk_entry_get_text (GTK_ENTRY (editable));
				expanded_text = gnome_vfs_expand_initial_tilde (unexpanded_text);
				if (strcmp (unexpanded_text, expanded_text) != 0) {
					gtk_entry_set_text (GTK_ENTRY (editable), expanded_text);
				}
				g_free (expanded_text);
			}
			if (bar->details->idle_id == 0) {
				bar->details->idle_id = gtk_idle_add (try_to_expand_path, bar);
			}
		}
	} else {
		/* FIXME: Also might be good to do this when you click
		 * to change the position or selection.
		 */
		if (bar->details->idle_id != 0) {
			gtk_idle_remove (bar->details->idle_id);
		}
		bar->details->idle_id = 0;
	}

	nautilus_location_bar_update_label (bar);
}
#endif

static void
real_activate (NautilusNavigationBar *navigation_bar)
{
	NautilusLocationBar *bar;

	bar = NAUTILUS_LOCATION_BAR (navigation_bar);

	/* Put the keyboard focus in the text field when switching to this mode,
	 * and select all text for easy overtyping 
	 */
	gtk_widget_grab_focus (GTK_WIDGET (bar->details->entry));
	nautilus_entry_select_all (bar->details->entry);
}

static void
finalize (GObject *object)
{
	NautilusLocationBar *bar;

	bar = NAUTILUS_LOCATION_BAR (object);

	g_free (bar->details);

	EEL_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
}

static void
destroy (GtkObject *object)
{
	NautilusLocationBar *bar;

	bar = NAUTILUS_LOCATION_BAR (object);
	
	/* cancel the pending idle call, if any */
	if (bar->details->idle_id != 0) {
		gtk_idle_remove (bar->details->idle_id);
		bar->details->idle_id = 0;
	}
	
	if (bar->details->file_info_list) {
		gnome_vfs_file_info_list_free (bar->details->file_info_list);	
		bar->details->file_info_list = NULL;
	}
	
	g_free (bar->details->current_directory);
	bar->details->current_directory = NULL;
	
	g_free (bar->details->last_location);
	bar->details->last_location = NULL;
	
	EEL_CALL_PARENT (GTK_OBJECT_CLASS, destroy, (object));
}

static void
nautilus_location_bar_class_init (NautilusLocationBarClass *class)
{
	GObjectClass *gobject_class;
	GtkObjectClass *object_class;
	NautilusNavigationBarClass *navigation_bar_class;

	gobject_class = G_OBJECT_CLASS (class);
	gobject_class->finalize = finalize;
	
	object_class = GTK_OBJECT_CLASS (class);
	object_class->destroy = destroy;
	
	navigation_bar_class = NAUTILUS_NAVIGATION_BAR_CLASS (class);

	navigation_bar_class->activate = real_activate;
	navigation_bar_class->get_location = nautilus_location_bar_get_location;
	navigation_bar_class->set_location = nautilus_location_bar_set_location;
}

static void
nautilus_location_bar_init (NautilusLocationBar *bar)
{
	GtkWidget *label;
	GtkWidget *entry;
	GtkWidget *event_box;
	GtkWidget *hbox;

	bar->details = g_new0 (NautilusLocationBarDetails, 1);

	hbox = gtk_hbox_new (0, FALSE);

	event_box = gtk_event_box_new ();
	gtk_container_set_border_width (GTK_CONTAINER (event_box),
					GNOME_PAD_SMALL);
	label = gtk_label_new (LOCATION_LABEL);
	gtk_container_add   (GTK_CONTAINER (event_box), label);
	gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_RIGHT);
	gtk_misc_set_alignment (GTK_MISC (label), 1, 0.5);
	g_signal_connect (label, "style_set", 
			    G_CALLBACK (style_set_handler), NULL);

	gtk_box_pack_start  (GTK_BOX (hbox), event_box, FALSE, TRUE,
			     GNOME_PAD_SMALL);

	entry = nautilus_entry_new ();

	nautilus_entry_set_special_tab_handling (NAUTILUS_ENTRY (entry), TRUE);
	
	gtk_signal_connect_object (GTK_OBJECT (entry), "activate",
				   G_CALLBACK (nautilus_navigation_bar_location_changed),
				   GTK_OBJECT (bar));

#if GNOME2_CONVERSION_COMPLETE
	/* The callback uses the marshal interface directly
	 * so it can both read and write the return value.
	 */
	gtk_signal_connect_full (GTK_OBJECT (entry), "key_press_event",
				 NULL, editable_key_press_callback,
				 bar, NULL,
				 FALSE, TRUE);
#endif
	
	gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);

	gtk_container_add (GTK_CONTAINER (bar), hbox);


	/* Drag source */
	gtk_drag_source_set (GTK_WIDGET (event_box), 
			     GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
			     drag_types, G_N_ELEMENTS (drag_types),
			     GDK_ACTION_LINK);
	gtk_signal_connect  (GTK_OBJECT (event_box), "drag_data_get",
			     G_CALLBACK (drag_data_get_callback),
			     bar);

	/* Drag dest. */
	gtk_drag_dest_set  (GTK_WIDGET (bar),
			    GTK_DEST_DEFAULT_ALL,
			    drop_types, G_N_ELEMENTS (drop_types),
			    GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
	g_signal_connect (bar, "drag_data_received",
			    G_CALLBACK (drag_data_received_callback),
			    NULL);

	gtk_widget_show_all (hbox);

	bar->details->label = GTK_LABEL (label);
	bar->details->entry = NAUTILUS_ENTRY (entry);	
}


GtkWidget *
nautilus_location_bar_new (NautilusWindow *window)
{
	GtkWidget *bar;
	NautilusLocationBar *location_bar;

	bar = gtk_widget_new (NAUTILUS_TYPE_LOCATION_BAR, NULL);
	location_bar = NAUTILUS_LOCATION_BAR (bar);

	/* Clipboard */
	nautilus_clipboard_set_up_editable
		(GTK_EDITABLE (location_bar->details->entry),
		 nautilus_window_get_ui_container (window),
		 TRUE);

	return bar;
}

static void
nautilus_location_bar_set_location (NautilusNavigationBar *navigation_bar,
				    const char *location)
{
	NautilusLocationBar *bar;
	char *formatted_location;

	g_assert (location != NULL);
	
	bar = NAUTILUS_LOCATION_BAR (navigation_bar);

	/* Note: This is called in reaction to external changes, and 
	 * thus should not emit the LOCATION_CHANGED signal.*/
	
	formatted_location = eel_format_uri_for_display (location);
	nautilus_entry_set_text (NAUTILUS_ENTRY (bar->details->entry),
				 formatted_location);
	g_free (formatted_location);

	/* free up the cached file info from the previous location */
	g_free (bar->details->current_directory);
	bar->details->current_directory = NULL;
	
	gnome_vfs_file_info_list_free (bar->details->file_info_list);	
	bar->details->file_info_list = NULL;			
	
	/* remember the original location for later comparison */
	
	g_free (bar->details->last_location);
	bar->details->last_location = g_strdup (location);
	nautilus_location_bar_update_label (bar);
}

/**
 * nautilus_location_bar_get_location
 *
 * Get the "URI" represented by the text in the location bar.
 *
 * @bar: A NautilusLocationBar.
 *
 * returns a newly allocated "string" containing the mangled
 * (by eel_make_uri_from_input) text that the user typed in...maybe a URI 
 * but not guaranteed.
 *
 **/
static char *
nautilus_location_bar_get_location (NautilusNavigationBar *navigation_bar) 
{
	NautilusLocationBar *bar;
	char *user_location, *best_uri;

	bar = NAUTILUS_LOCATION_BAR (navigation_bar);
	
	user_location = gtk_editable_get_chars (GTK_EDITABLE (bar->details->entry), 0, -1);
	best_uri = eel_make_uri_from_input (user_location);
	g_free (user_location);
	return best_uri;
}
	       
/**
 * nautilus_location_bar_update_label
 *
 * if the text in the entry matches the uri, set the label to "location", otherwise use "goto"
 *
 **/
static void
nautilus_location_bar_update_label (NautilusLocationBar *bar)
{
	const char *current_text;
	char *current_location;
	
	current_text = gtk_entry_get_text (GTK_ENTRY (bar->details->entry));
	current_location = eel_make_uri_from_input (current_text);
	
	if (eel_uris_match (bar->details->last_location, current_location)) {
		gtk_label_set_text (GTK_LABEL (bar->details->label), LOCATION_LABEL);
	} else {		 
		gtk_label_set_text (GTK_LABEL (bar->details->label), GO_TO_LABEL);
	}

	g_free (current_location);
}