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/* GTK - The GIMP Toolkit
* gtkfilechooserembed.h: Abstract sizing interface for file selector implementations
* Copyright (C) 2004, 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkfilechooserembed.h"
#include "gtkmarshalers.h"
#include "gtkintl.h"
static void gtk_file_chooser_embed_class_init (gpointer g_iface);
static void delegate_get_default_size (GtkFileChooserEmbed *chooser_embed,
gint *default_width,
gint *default_height);
static gboolean delegate_should_respond (GtkFileChooserEmbed *chooser_embed);
static void delegate_initial_focus (GtkFileChooserEmbed *chooser_embed);
static void delegate_default_size_changed (GtkFileChooserEmbed *chooser_embed,
gpointer data);
static void delegate_response_requested (GtkFileChooserEmbed *chooser_embed,
gpointer data);
static GtkFileChooserEmbed *
get_delegate (GtkFileChooserEmbed *receiver)
{
return g_object_get_data (G_OBJECT (receiver), "gtk-file-chooser-embed-delegate");
}
/**
* _gtk_file_chooser_embed_delegate_iface_init:
* @iface: a #GtkFileChoserEmbedIface structure
*
* An interface-initialization function for use in cases where an object is
* simply delegating the methods, signals of the #GtkFileChooserEmbed interface
* to another object. _gtk_file_chooser_embed_set_delegate() must be called on
* each instance of the object so that the delegate object can be found.
**/
void
_gtk_file_chooser_embed_delegate_iface_init (GtkFileChooserEmbedIface *iface)
{
iface->get_default_size = delegate_get_default_size;
iface->should_respond = delegate_should_respond;
iface->initial_focus = delegate_initial_focus;
}
/**
* _gtk_file_chooser_embed_set_delegate:
* @receiver: a GOobject implementing #GtkFileChooserEmbed
* @delegate: another GObject implementing #GtkFileChooserEmbed
*
* 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 conjunction with
* _gtk_file_chooser_embed_delegate_iface_init().
**/
void
_gtk_file_chooser_embed_set_delegate (GtkFileChooserEmbed *receiver,
GtkFileChooserEmbed *delegate)
{
g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (receiver));
g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (delegate));
g_object_set_data (G_OBJECT (receiver), I_("gtk-file-chooser-embed-delegate"), delegate);
g_signal_connect (delegate, "default-size-changed",
G_CALLBACK (delegate_default_size_changed), receiver);
g_signal_connect (delegate, "response-requested",
G_CALLBACK (delegate_response_requested), receiver);
}
static void
delegate_get_default_size (GtkFileChooserEmbed *chooser_embed,
gint *default_width,
gint *default_height)
{
_gtk_file_chooser_embed_get_default_size (get_delegate (chooser_embed), default_width, default_height);
}
static gboolean
delegate_should_respond (GtkFileChooserEmbed *chooser_embed)
{
return _gtk_file_chooser_embed_should_respond (get_delegate (chooser_embed));
}
static void
delegate_initial_focus (GtkFileChooserEmbed *chooser_embed)
{
_gtk_file_chooser_embed_initial_focus (get_delegate (chooser_embed));
}
static void
delegate_default_size_changed (GtkFileChooserEmbed *chooser_embed,
gpointer data)
{
g_signal_emit_by_name (data, "default-size-changed");
}
static void
delegate_response_requested (GtkFileChooserEmbed *chooser_embed,
gpointer data)
{
g_signal_emit_by_name (data, "response-requested");
}
/* publicly callable functions */
GType
_gtk_file_chooser_embed_get_type (void)
{
static GType file_chooser_embed_type = 0;
if (!file_chooser_embed_type)
{
const GTypeInfo file_chooser_embed_info =
{
sizeof (GtkFileChooserEmbedIface), /* class_size */
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc)gtk_file_chooser_embed_class_init, /* class_init */
};
file_chooser_embed_type = g_type_register_static (G_TYPE_INTERFACE,
I_("GtkFileChooserEmbed"),
&file_chooser_embed_info, 0);
g_type_interface_add_prerequisite (file_chooser_embed_type, GTK_TYPE_WIDGET);
}
return file_chooser_embed_type;
}
static void
gtk_file_chooser_embed_class_init (gpointer g_iface)
{
GType iface_type = G_TYPE_FROM_INTERFACE (g_iface);
g_signal_new (I_("default-size-changed"),
iface_type,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkFileChooserEmbedIface, default_size_changed),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
g_signal_new (I_("response-requested"),
iface_type,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkFileChooserEmbedIface, response_requested),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
void
_gtk_file_chooser_embed_get_default_size (GtkFileChooserEmbed *chooser_embed,
gint *default_width,
gint *default_height)
{
g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (chooser_embed));
g_return_if_fail (default_width != NULL);
g_return_if_fail (default_height != NULL);
GTK_FILE_CHOOSER_EMBED_GET_IFACE (chooser_embed)->get_default_size (chooser_embed, default_width, default_height);
}
gboolean
_gtk_file_chooser_embed_should_respond (GtkFileChooserEmbed *chooser_embed)
{
g_return_val_if_fail (GTK_IS_FILE_CHOOSER_EMBED (chooser_embed), FALSE);
return GTK_FILE_CHOOSER_EMBED_GET_IFACE (chooser_embed)->should_respond (chooser_embed);
}
void
_gtk_file_chooser_embed_initial_focus (GtkFileChooserEmbed *chooser_embed)
{
g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (chooser_embed));
GTK_FILE_CHOOSER_EMBED_GET_IFACE (chooser_embed)->initial_focus (chooser_embed);
}
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