Robin Gareus
ad51c7c2ba
This is intended mainly for GNU/Linux distros who will remove GTK2 support in the near future.
198 lines
6.5 KiB
C
198 lines
6.5 KiB
C
/* GTK - The GIMP Toolkit
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* gtkfilechooserembed.h: Abstract sizing interface for file selector implementations
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* Copyright (C) 2004, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gtkfilechooserembed.h"
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#include "gtkmarshalers.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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static void gtk_file_chooser_embed_class_init (gpointer g_iface);
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static void delegate_get_default_size (GtkFileChooserEmbed *chooser_embed,
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gint *default_width,
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gint *default_height);
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static gboolean delegate_should_respond (GtkFileChooserEmbed *chooser_embed);
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static void delegate_initial_focus (GtkFileChooserEmbed *chooser_embed);
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static void delegate_default_size_changed (GtkFileChooserEmbed *chooser_embed,
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gpointer data);
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static void delegate_response_requested (GtkFileChooserEmbed *chooser_embed,
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gpointer data);
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static GtkFileChooserEmbed *
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get_delegate (GtkFileChooserEmbed *receiver)
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{
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return g_object_get_data (G_OBJECT (receiver), "gtk-file-chooser-embed-delegate");
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}
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/**
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* _gtk_file_chooser_embed_delegate_iface_init:
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* @iface: a #GtkFileChoserEmbedIface structure
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*
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* An interface-initialization function for use in cases where an object is
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* simply delegating the methods, signals of the #GtkFileChooserEmbed interface
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* to another object. _gtk_file_chooser_embed_set_delegate() must be called on
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* each instance of the object so that the delegate object can be found.
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**/
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void
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_gtk_file_chooser_embed_delegate_iface_init (GtkFileChooserEmbedIface *iface)
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{
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iface->get_default_size = delegate_get_default_size;
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iface->should_respond = delegate_should_respond;
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iface->initial_focus = delegate_initial_focus;
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}
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/**
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* _gtk_file_chooser_embed_set_delegate:
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* @receiver: a GOobject implementing #GtkFileChooserEmbed
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* @delegate: another GObject implementing #GtkFileChooserEmbed
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*
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* Establishes that calls on @receiver for #GtkFileChooser methods should be
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* delegated to @delegate, and that #GtkFileChooser signals emitted on @delegate
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* should be forwarded to @receiver. Must be used in conjunction with
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* _gtk_file_chooser_embed_delegate_iface_init().
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**/
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void
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_gtk_file_chooser_embed_set_delegate (GtkFileChooserEmbed *receiver,
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GtkFileChooserEmbed *delegate)
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{
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g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (receiver));
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g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (delegate));
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g_object_set_data (G_OBJECT (receiver), I_("gtk-file-chooser-embed-delegate"), delegate);
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g_signal_connect (delegate, "default-size-changed",
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G_CALLBACK (delegate_default_size_changed), receiver);
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g_signal_connect (delegate, "response-requested",
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G_CALLBACK (delegate_response_requested), receiver);
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}
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static void
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delegate_get_default_size (GtkFileChooserEmbed *chooser_embed,
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gint *default_width,
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gint *default_height)
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{
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_gtk_file_chooser_embed_get_default_size (get_delegate (chooser_embed), default_width, default_height);
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}
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static gboolean
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delegate_should_respond (GtkFileChooserEmbed *chooser_embed)
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{
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return _gtk_file_chooser_embed_should_respond (get_delegate (chooser_embed));
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}
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static void
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delegate_initial_focus (GtkFileChooserEmbed *chooser_embed)
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{
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_gtk_file_chooser_embed_initial_focus (get_delegate (chooser_embed));
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}
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static void
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delegate_default_size_changed (GtkFileChooserEmbed *chooser_embed,
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gpointer data)
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{
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g_signal_emit_by_name (data, "default-size-changed");
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}
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static void
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delegate_response_requested (GtkFileChooserEmbed *chooser_embed,
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gpointer data)
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{
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g_signal_emit_by_name (data, "response-requested");
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}
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/* publicly callable functions */
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GType
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_gtk_file_chooser_embed_get_type (void)
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{
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static GType file_chooser_embed_type = 0;
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if (!file_chooser_embed_type)
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{
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const GTypeInfo file_chooser_embed_info =
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{
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sizeof (GtkFileChooserEmbedIface), /* class_size */
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc)gtk_file_chooser_embed_class_init, /* class_init */
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};
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file_chooser_embed_type = g_type_register_static (G_TYPE_INTERFACE,
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I_("GtkFileChooserEmbed"),
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&file_chooser_embed_info, 0);
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g_type_interface_add_prerequisite (file_chooser_embed_type, GTK_TYPE_WIDGET);
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}
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return file_chooser_embed_type;
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}
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static void
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gtk_file_chooser_embed_class_init (gpointer g_iface)
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{
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GType iface_type = G_TYPE_FROM_INTERFACE (g_iface);
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g_signal_new (I_("default-size-changed"),
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iface_type,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkFileChooserEmbedIface, default_size_changed),
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NULL, NULL,
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_gtk_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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g_signal_new (I_("response-requested"),
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iface_type,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkFileChooserEmbedIface, response_requested),
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NULL, NULL,
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_gtk_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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}
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void
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_gtk_file_chooser_embed_get_default_size (GtkFileChooserEmbed *chooser_embed,
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gint *default_width,
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gint *default_height)
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{
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g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (chooser_embed));
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g_return_if_fail (default_width != NULL);
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g_return_if_fail (default_height != NULL);
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GTK_FILE_CHOOSER_EMBED_GET_IFACE (chooser_embed)->get_default_size (chooser_embed, default_width, default_height);
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}
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gboolean
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_gtk_file_chooser_embed_should_respond (GtkFileChooserEmbed *chooser_embed)
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{
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g_return_val_if_fail (GTK_IS_FILE_CHOOSER_EMBED (chooser_embed), FALSE);
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return GTK_FILE_CHOOSER_EMBED_GET_IFACE (chooser_embed)->should_respond (chooser_embed);
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}
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void
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_gtk_file_chooser_embed_initial_focus (GtkFileChooserEmbed *chooser_embed)
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{
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g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (chooser_embed));
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GTK_FILE_CHOOSER_EMBED_GET_IFACE (chooser_embed)->initial_focus (chooser_embed);
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}
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