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/* GTK - The GIMP Toolkit
* gtkfilechooserutils.c: Private utility functions useful for
* implementing a GtkFileChooser interface
* Copyright (C) 2003, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gtkfilechooserutils.h"
#include "gtkfilechooser.h"
#include "gtkfilechooserenums.h"
#include "gtkfilesystem.h"
static void delegate_set_current_folder (GtkFileChooser *chooser,
const GtkFilePath *path);
static GtkFilePath * delegate_get_current_folder (GtkFileChooser *chooser);
static void delegate_select_path (GtkFileChooser *chooser,
const GtkFilePath *path);
static void delegate_unselect_path (GtkFileChooser *chooser,
const GtkFilePath *path);
static void delegate_select_all (GtkFileChooser *chooser);
static void delegate_unselect_all (GtkFileChooser *chooser);
static GSList * delegate_get_paths (GtkFileChooser *chooser);
static GtkFileSystem *delegate_get_file_system (GtkFileChooser *chooser);
static void delegate_current_folder_changed (GtkFileChooser *chooser,
gpointer data);
static void delegate_selection_changed (GtkFileChooser *chooser,
gpointer data);
/**
* _gtk_file_chooser_install_properties:
* @klass: the class structure for a type deriving from #GObject
*
* Installs the necessary properties for a class implementing
* #GtkFileChooser. A #GtkParamSpecOverride property is installed
* for each property, using the values from the #GtkFileChooserProp
* enumeration. The caller must make sure itself that the enumeration
* values don't collide with some other property values they
* are using.
**/
void
_gtk_file_chooser_install_properties (GObjectClass *klass)
{
g_object_class_install_property (klass,
GTK_FILE_CHOOSER_PROP_ACTION,
g_param_spec_override ("action",
GTK_TYPE_FILE_CHOOSER_ACTION,
G_PARAM_READWRITE));
g_object_class_install_property (klass,
GTK_FILE_CHOOSER_PROP_FILE_SYSTEM,
g_param_spec_override ("file_system",
GTK_TYPE_FILE_SYSTEM,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (klass,
GTK_FILE_CHOOSER_PROP_FOLDER_MODE,
g_param_spec_override ("folder_mode",
G_TYPE_BOOLEAN,
G_PARAM_READWRITE));
g_object_class_install_property (klass,
GTK_FILE_CHOOSER_PROP_LOCAL_ONLY,
g_param_spec_override ("local_only",
G_TYPE_BOOLEAN,
G_PARAM_READWRITE));
g_object_class_install_property (klass,
GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET,
g_param_spec_override ("preview_widget",
GTK_TYPE_WIDGET,
G_PARAM_READWRITE));
g_object_class_install_property (klass,
GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE,
g_param_spec_override ("preview_widget_active",
G_TYPE_BOOLEAN,
G_PARAM_READWRITE));
g_object_class_install_property (klass,
GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE,
g_param_spec_override ("select_multiple",
G_TYPE_BOOLEAN,
G_PARAM_READWRITE));
g_object_class_install_property (klass,
GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN,
g_param_spec_override ("show_hidden",
G_TYPE_BOOLEAN,
G_PARAM_READWRITE));
}
/**
* _gtk_file_chooser_delegate_iface_init:
* @iface: a #GtkFileChoserIface structure
*
* An interface-initialization function for use in cases where
* an object is simply delegating the methods, signals of
* the #GtkFileChooser interface to another object.
* _gtk_file_chooser_set_delegate() must be called on each
* instance of the object so that the delegate object can
* be found.
**/
void
_gtk_file_chooser_delegate_iface_init (GtkFileChooserIface *iface)
{
iface->set_current_folder = delegate_set_current_folder;
iface->get_current_folder = delegate_get_current_folder;
iface->select_path = delegate_select_path;
iface->unselect_path = delegate_unselect_path;
iface->select_all = delegate_select_all;
iface->unselect_all = delegate_unselect_all;
iface->get_paths = delegate_get_paths;
iface->get_file_system = delegate_get_file_system;
}
/**
* _gtk_file_chooser_set_delegate:
* @receiver: a GOobject implementing #GtkFileChooser
* @delegate: another GObject implementing #GtkFileChooser
*
* Establishes that calls on @receiver for #GtkFileChooser
* methods should be delegated to @delegate, and that
* #GtkFileChooser signals emitted on @delegate should be
* forwarded to @receiver. Must be used in confunction with
* _gtk_file_chooser_delegate_iface_init().
**/
void
_gtk_file_chooser_set_delegate (GtkFileChooser *receiver,
GtkFileChooser *delegate)
{
g_return_if_fail (GTK_IS_FILE_CHOOSER (receiver));
g_return_if_fail (GTK_IS_FILE_CHOOSER (delegate));
g_object_set_data (G_OBJECT (receiver), "gtk-file-chooser-delegate", delegate);
g_signal_connect (delegate, "current_folder_changed",
G_CALLBACK (delegate_current_folder_changed), receiver);
g_signal_connect (delegate, "selection_changed",
G_CALLBACK (delegate_selection_changed), receiver);
}
static GtkFileChooser *
get_delegate (GtkFileChooser *receiver)
{
return g_object_get_data (G_OBJECT (receiver), "gtk-file-chooser-delegate");
}
static void
delegate_select_path (GtkFileChooser *chooser,
const GtkFilePath *path)
{
_gtk_file_chooser_select_path (get_delegate (chooser), path);
}
static void
delegate_unselect_path (GtkFileChooser *chooser,
const GtkFilePath *path)
{
_gtk_file_chooser_unselect_path (get_delegate (chooser), path);
}
static void
delegate_select_all (GtkFileChooser *chooser)
{
gtk_file_chooser_select_all (get_delegate (chooser));
}
static void
delegate_unselect_all (GtkFileChooser *chooser)
{
gtk_file_chooser_unselect_all (get_delegate (chooser));
}
static GSList *
delegate_get_paths (GtkFileChooser *chooser)
{
return _gtk_file_chooser_get_paths (get_delegate (chooser));
}
static GtkFileSystem *
delegate_get_file_system (GtkFileChooser *chooser)
{
return _gtk_file_chooser_get_file_system (get_delegate (chooser));
}
static void
delegate_set_current_folder (GtkFileChooser *chooser,
const GtkFilePath *path)
{
_gtk_file_chooser_set_current_folder (chooser, path);
}
static GtkFilePath *
delegate_get_current_folder (GtkFileChooser *chooser)
{
return _gtk_file_chooser_get_current_folder (get_delegate (chooser));
}
static void
delegate_selection_changed (GtkFileChooser *chooser,
gpointer data)
{
g_signal_emit_by_name (data, "selection_changed", 0);
}
static void
delegate_current_folder_changed (GtkFileChooser *chooser,
gpointer data)
{
g_signal_emit_by_name (data, "current_folder_changed", 0);
}
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