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/* $Id$ */
/*-
* Copyright (c) 2005-2006 Benedikt Meurer <benny@xfce.org>
*
* This program 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.
*
* This program 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; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <thunar/thunar-navigator.h>
#include <thunar/thunar-private.h>
enum
{
CHANGE_DIRECTORY,
OPEN_NEW_TAB,
LAST_SIGNAL,
};
static void thunar_navigator_base_init (gpointer klass);
static void thunar_navigator_class_init (gpointer klass);
static guint navigator_signals[LAST_SIGNAL];
GType
thunar_navigator_get_type (void)
{
static volatile gsize type__volatile = 0;
GType type;
if (g_once_init_enter (&type__volatile))
{
static const GTypeInfo info =
{
sizeof (ThunarNavigatorIface),
(GBaseInitFunc) thunar_navigator_base_init,
NULL,
(GClassInitFunc) thunar_navigator_class_init,
NULL,
NULL,
0,
0,
NULL,
};
type = g_type_register_static (G_TYPE_INTERFACE, I_("ThunarNavigator"), &info, 0);
g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
g_once_init_leave (&type__volatile, type);
}
return type__volatile;
}
static void
thunar_navigator_base_init (gpointer klass)
{
static gboolean initialized = FALSE;
if (G_UNLIKELY (!initialized))
{
/**
* ThunarNavigator::change-directory:
* @navigator : a #ThunarNavigator instance.
* @directory : a #ThunarFile referring to the new directory.
*
* Invoked by implementing classes whenever the user requests
* to changed the current directory to @directory from within
* the @navigator instance (e.g. for the location buttons bar,
* this signal would be invoked whenever the user clicks on
* a path button).
*
* The @navigator must not apply the @directory to the
* "current-directory" property directly. But
* instead, it must wait for the surrounding module (usually
* a #ThunarWindow instance) to explicitly inform the
* @navigator to change it's current directory using
* the #thunar_navigator_set_current_directory() method
* or the "current-directory" property.
**/
navigator_signals[CHANGE_DIRECTORY] =
g_signal_new (I_("change-directory"),
G_TYPE_FROM_INTERFACE (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ThunarNavigatorIface, change_directory),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, THUNAR_TYPE_FILE);
navigator_signals[OPEN_NEW_TAB] =
g_signal_new (I_("open-new-tab"),
G_TYPE_FROM_INTERFACE (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ThunarNavigatorIface, open_new_tab),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, THUNAR_TYPE_FILE);
initialized = TRUE;
}
}
static void
thunar_navigator_class_init (gpointer klass)
{
/**
* ThunarNavigator:current-directory:
*
* The directory currently displayed by this #ThunarNavigator
* instance or %NULL if no directory is currently displayed
* (it's up to the implementing class to define the appearance
* of a navigator that has no directory associated with it).
*
* Whenever a navigator wants the surrounding module (usually
* a #ThunarWindow) to change to another directory, it should
* invoke the "change-directory" signal using the
* #thunar_navigator_change_directory() method. It should
* not directly change the "current-directory" property,
* but wait for the surrounding module to change the
* "current-directory" property afterwards.
**/
g_object_interface_install_property (klass,
g_param_spec_object ("current-directory",
"current-directory",
"current-directory",
THUNAR_TYPE_FILE,
EXO_PARAM_READWRITE));
}
/**
* thunar_navigator_get_current_directory:
* @navigator : a #ThunarNavigator instance.
*
* Returns the directory currently displayed by @navigator
* or %NULL, if @navigator does not currently display and
* directory.
*
* Return value: the current directory of @navigator or %NULL.
**/
ThunarFile*
thunar_navigator_get_current_directory (ThunarNavigator *navigator)
{
_thunar_return_val_if_fail (THUNAR_IS_NAVIGATOR (navigator), NULL);
return THUNAR_NAVIGATOR_GET_IFACE (navigator)->get_current_directory (navigator);
}
/**
* thunar_navigator_set_current_directory:
* @navigator : a #ThunarNavigator instance.
* @current_directory : the new directory to display or %NULL.
*
* Sets a new current directory that should be displayed by
* the @navigator.
**/
void
thunar_navigator_set_current_directory (ThunarNavigator *navigator,
ThunarFile *current_directory)
{
_thunar_return_if_fail (THUNAR_IS_NAVIGATOR (navigator));
_thunar_return_if_fail (current_directory == NULL || THUNAR_IS_FILE (current_directory));
THUNAR_NAVIGATOR_GET_IFACE (navigator)->set_current_directory (navigator, current_directory);
}
/**
* thunar_navigator_change_directory:
* @navigator : a #ThunarNavigator instance.
* @directory : a #ThunarFile referring to a directory.
*
* Emits the "change-directory" signal on @navigator with
* the specified @directory.
*
* Derived classes should invoke this method whenever the user
* selects a new directory from within @navigator. The derived
* class should not perform any directory changing operations
* itself, but leave it up to the surrounding module (usually
* a #ThunarWindow instance) to change the directory.
*
* It should never ever be called from outside a #ThunarNavigator
* implementation, as that may led to unexpected results!
**/
void
thunar_navigator_change_directory (ThunarNavigator *navigator,
ThunarFile *directory)
{
_thunar_return_if_fail (THUNAR_IS_NAVIGATOR (navigator));
_thunar_return_if_fail (THUNAR_IS_FILE (directory));
_thunar_return_if_fail (thunar_file_is_directory (directory));
g_signal_emit (G_OBJECT (navigator), navigator_signals[CHANGE_DIRECTORY], 0, directory);
}
void
thunar_navigator_open_new_tab (ThunarNavigator *navigator,
ThunarFile *directory)
{
_thunar_return_if_fail (THUNAR_IS_NAVIGATOR (navigator));
_thunar_return_if_fail (THUNAR_IS_FILE (directory));
_thunar_return_if_fail (thunar_file_is_directory (directory));
g_signal_emit (G_OBJECT (navigator), navigator_signals[OPEN_NEW_TAB], 0, directory);
}
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