/* 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, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include "gtkfilechooserembed.h" #include "gtkmarshalers.h" #include "gtkalias.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 void delegate_get_resizable_hints (GtkFileChooserEmbed *chooser_embed, gboolean *resize_horizontally, gboolean *resize_vertically); 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 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->get_resizable_hints = delegate_get_resizable_hints; 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 confunction with * _gtk_file_chooser_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), "gtk-file-chooser-embed-delegate", delegate); g_signal_connect (delegate, "default_size_changed", G_CALLBACK (delegate_default_size_changed), 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 void delegate_get_resizable_hints (GtkFileChooserEmbed *chooser_embed, gboolean *resize_horizontally, gboolean *resize_vertically) { _gtk_file_chooser_embed_get_resizable_hints (get_delegate (chooser_embed), resize_horizontally, resize_vertically); } 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"); } /* publicly callable functions */ GType _gtk_file_chooser_embed_get_type (void) { static GType file_chooser_embed_type = 0; if (!file_chooser_embed_type) { static 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, g_intern_static_string ("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 ("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); } 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); } void _gtk_file_chooser_embed_get_resizable_hints (GtkFileChooserEmbed *chooser_embed, gboolean *resize_horizontally, gboolean *resize_vertically) { g_return_if_fail (GTK_IS_FILE_CHOOSER_EMBED (chooser_embed)); g_return_if_fail (resize_horizontally != NULL); g_return_if_fail (resize_vertically != NULL); GTK_FILE_CHOOSER_EMBED_GET_IFACE (chooser_embed)->get_resizable_hints (chooser_embed, resize_horizontally, resize_vertically); } #define __GTK_FILE_CHOOSER_EMBED_C__ #include "gtkaliasdef.c"