forked from AuroraMiddleware/gtk
206 lines
6.7 KiB
C
206 lines
6.7 KiB
C
/* GTK - The GIMP Toolkit
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* gtkfilechooserutils.c: Private utility functions useful for
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* implementing a GtkFileChooser interface
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* Copyright (C) 2003, 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 "gtkfilechooserutils.h"
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#include "gtkfilechooser.h"
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#include "gtkfilechooserenums.h"
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static void delegate_set_current_folder (GtkFileChooser *chooser,
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const char *uri);
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static char * delegate_get_current_folder (GtkFileChooser *chooser);
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static void delegate_select_uri (GtkFileChooser *chooser,
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const char *uri);
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static void delegate_unselect_uri (GtkFileChooser *chooser,
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const char *uri);
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static void delegate_select_all (GtkFileChooser *chooser);
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static void delegate_unselect_all (GtkFileChooser *chooser);
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static GSList *delegate_get_uris (GtkFileChooser *chooser);
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static void delegate_current_folder_changed (GtkFileChooser *chooser,
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gpointer data);
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static void delegate_selection_changed (GtkFileChooser *chooser,
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gpointer data);
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/**
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* _gtk_file_chooser_install_properties:
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* @klass: the class structure for a type deriving from #GObject
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*
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* Installs the necessary properties for a class implementing
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* #GtkFileChooser. A #GtkParamSpecOverride property is installed
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* for each property, using the values from the #GtkFileChooserProp
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* enumeration. The caller must make sure itself that the enumeration
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* values don't collide with some other property values they
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* are using.
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**/
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void
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_gtk_file_chooser_install_properties (GObjectClass *klass)
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{
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g_object_class_install_property (klass,
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GTK_FILE_CHOOSER_PROP_ACTION,
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g_param_spec_override ("action",
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GTK_TYPE_FILE_CHOOSER_ACTION,
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G_PARAM_READWRITE));
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g_object_class_install_property (klass,
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GTK_FILE_CHOOSER_PROP_FOLDER_MODE,
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g_param_spec_override ("folder_mode",
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G_TYPE_BOOLEAN,
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G_PARAM_READWRITE));
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g_object_class_install_property (klass,
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GTK_FILE_CHOOSER_PROP_LOCAL_ONLY,
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g_param_spec_override ("local_only",
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G_TYPE_BOOLEAN,
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G_PARAM_READWRITE));
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g_object_class_install_property (klass,
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GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET,
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g_param_spec_override ("preview_widget",
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GTK_TYPE_WIDGET,
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G_PARAM_READWRITE));
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g_object_class_install_property (klass,
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GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE,
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g_param_spec_override ("preview_widget_active",
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G_TYPE_BOOLEAN,
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G_PARAM_READWRITE));
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g_object_class_install_property (klass,
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GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE,
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g_param_spec_override ("select_multiple",
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G_TYPE_BOOLEAN,
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G_PARAM_READWRITE));
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g_object_class_install_property (klass,
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GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN,
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g_param_spec_override ("show_hidden",
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G_TYPE_BOOLEAN,
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G_PARAM_READWRITE));
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}
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/**
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* _gtk_file_chooser_delegate_iface_init:
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* @iface: a #GtkFileChoserIface structure
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*
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* An interface-initialization function for use in cases where
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* an object is simply delegating the methods, signals of
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* the #GtkFileChooser interface to another object.
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* _gtk_file_chooser_set_delegate() must be called on each
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* instance of the object so that the delegate object can
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* be found.
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**/
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void
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_gtk_file_chooser_delegate_iface_init (GtkFileChooserIface *iface)
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{
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iface->set_current_folder = delegate_set_current_folder;
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iface->get_current_folder = delegate_get_current_folder;
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iface->select_uri = delegate_select_uri;
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iface->unselect_uri = delegate_unselect_uri;
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iface->select_all = delegate_select_all;
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iface->unselect_all = delegate_unselect_all;
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iface->get_uris = delegate_get_uris;
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}
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/**
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* _gtk_file_chooser_set_delegate:
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* @receiver: a GOobject implementing #GtkFileChooser
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* @delegate: another GObject implementing #GtkFileChooser
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*
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* Establishes that calls on @receiver for #GtkFileChooser
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* methods should be delegated to @delegate, and that
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* #GtkFileChooser signals emitted on @delegate should be
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* forwarded to @receiver. Must be used in confunction with
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* _gtk_file_chooser_delegate_iface_init().
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**/
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void
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_gtk_file_chooser_set_delegate (GtkFileChooser *receiver,
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GtkFileChooser *delegate)
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{
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g_return_if_fail (GTK_IS_FILE_CHOOSER (receiver));
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g_return_if_fail (GTK_IS_FILE_CHOOSER (delegate));
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g_object_set_data (G_OBJECT (receiver), "gtk-file-chooser-delegate", delegate);
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g_signal_connect (delegate, "current_folder_changed",
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G_CALLBACK (delegate_current_folder_changed), receiver);
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g_signal_connect (delegate, "selection_changed",
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G_CALLBACK (delegate_selection_changed), receiver);
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}
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static GtkFileChooser *
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get_delegate (GtkFileChooser *receiver)
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{
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return g_object_get_data (G_OBJECT (receiver), "gtk-file-chooser-delegate");
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}
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static void
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delegate_select_uri (GtkFileChooser *chooser,
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const char *uri)
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{
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gtk_file_chooser_select_uri (get_delegate (chooser), uri);
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}
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static void
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delegate_unselect_uri (GtkFileChooser *chooser,
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const char *uri)
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{
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gtk_file_chooser_unselect_uri (get_delegate (chooser), uri);
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}
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static void
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delegate_select_all (GtkFileChooser *chooser)
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{
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gtk_file_chooser_select_all (get_delegate (chooser));
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}
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static void
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delegate_unselect_all (GtkFileChooser *chooser)
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{
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gtk_file_chooser_unselect_all (get_delegate (chooser));
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}
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static GSList *
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delegate_get_uris (GtkFileChooser *chooser)
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{
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return gtk_file_chooser_get_uris (get_delegate (chooser));
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}
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static void
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delegate_set_current_folder (GtkFileChooser *chooser,
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const char *uri)
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{
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gtk_file_chooser_set_current_folder_uri (chooser, uri);
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}
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static char *
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delegate_get_current_folder (GtkFileChooser *chooser)
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{
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return gtk_file_chooser_get_current_folder_uri (get_delegate (chooser));
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}
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static void
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delegate_selection_changed (GtkFileChooser *chooser,
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gpointer data)
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{
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g_signal_emit_by_name (data, "selection_changed", 0);
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}
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static void
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delegate_current_folder_changed (GtkFileChooser *chooser,
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gpointer data)
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{
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g_signal_emit_by_name (data, "current_folder_changed", 0);
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}
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