Pileus Git - ~andy/gtk/blob - gtk/gtkfilechooserwidget.c

   1 /* GTK - The GIMP Toolkit
   2  * gtkfilechooserwidget.c: Embeddable file selector widget
   3  * Copyright (C) 2003, Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include <config.h>
  22 #include "gtkalias.h"
  23 #include "gtkfilechooserwidget.h"
  24 #include "gtkfilechooserdefault.h"
  25 #include "gtkfilechooserutils.h"
  26 #include "gtktypebuiltins.h"
  27 #include "gtkfilechooserembed.h"
  28
  29 struct _GtkFileChooserWidgetPrivate
  30 {
  31   GtkWidget *impl;
  32
  33   char *file_system;
  34 };
  35
  36 #define GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE(o)  (GTK_FILE_CHOOSER_WIDGET (o)->priv)
  37
  38 static void gtk_file_chooser_widget_class_init   (GtkFileChooserWidgetClass *class);
  39 static void gtk_file_chooser_widget_init         (GtkFileChooserWidget      *chooser_widget);
  40 static void gtk_file_chooser_widget_finalize     (GObject                   *object);
  41
  42 static GObject* gtk_file_chooser_widget_constructor  (GType                  type,
  43                                                       guint                  n_construct_properties,
  44                                                       GObjectConstructParam *construct_params);
  45 static void     gtk_file_chooser_widget_set_property (GObject               *object,
  46                                                       guint                  prop_id,
  47                                                       const GValue          *value,
  48                                                       GParamSpec            *pspec);
  49 static void     gtk_file_chooser_widget_get_property (GObject               *object,
  50                                                       guint                  prop_id,
  51                                                       GValue                *value,
  52                                                       GParamSpec            *pspec);
  53
  54 static GObjectClass *parent_class;
  55
  56 GType
  57 gtk_file_chooser_widget_get_type (void)
  58 {
  59   static GType file_chooser_widget_type = 0;
  60
  61   if (!file_chooser_widget_type)
  62     {
  63       static const GTypeInfo file_chooser_widget_info =
  64       {
  65         sizeof (GtkFileChooserWidgetClass),
  66         NULL,           /* base_init */
  67         NULL,           /* base_finalize */
  68         (GClassInitFunc) gtk_file_chooser_widget_class_init,
  69         NULL,           /* class_finalize */
  70         NULL,           /* class_data */
  71         sizeof (GtkFileChooserWidget),
  72         0,              /* n_preallocs */
  73         (GInstanceInitFunc) gtk_file_chooser_widget_init,
  74       };
  75
  76       static const GInterfaceInfo file_chooser_info =
  77       {
  78         (GInterfaceInitFunc) _gtk_file_chooser_delegate_iface_init, /* interface_init */
  79         NULL,                                                       /* interface_finalize */
  80         NULL                                                        /* interface_data */
  81       };
  82
  83       static const GInterfaceInfo file_chooser_embed_info =
  84       {
  85         (GInterfaceInitFunc) _gtk_file_chooser_embed_delegate_iface_init, /* interface_init */
  86         NULL,                                                             /* interface_finalize */
  87         NULL                                                              /* interface_data */
  88       };
  89
  90       file_chooser_widget_type = g_type_register_static (GTK_TYPE_VBOX, "GtkFileChooserWidget",
  91                                                          &file_chooser_widget_info, 0);
  92
  93       g_type_add_interface_static (file_chooser_widget_type,
  94                                    GTK_TYPE_FILE_CHOOSER,
  95                                    &file_chooser_info);
  96       g_type_add_interface_static (file_chooser_widget_type,
  97                                    GTK_TYPE_FILE_CHOOSER_EMBED,
  98                                    &file_chooser_embed_info);
  99     }
 100
 101   return file_chooser_widget_type;
 102 }
 103
 104 static void
 105 gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
 106 {
 107   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 108
 109   parent_class = g_type_class_peek_parent (class);
 110
 111   gobject_class->constructor = gtk_file_chooser_widget_constructor;
 112   gobject_class->set_property = gtk_file_chooser_widget_set_property;
 113   gobject_class->get_property = gtk_file_chooser_widget_get_property;
 114   gobject_class->finalize = gtk_file_chooser_widget_finalize;
 115
 116   _gtk_file_chooser_install_properties (gobject_class);
 117
 118   g_type_class_add_private (class, sizeof (GtkFileChooserWidgetPrivate));
 119 }
 120
 121 static void
 122 gtk_file_chooser_widget_init (GtkFileChooserWidget *chooser_widget)
 123 {
 124   GtkFileChooserWidgetPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser_widget,
 125                                                                    GTK_TYPE_FILE_CHOOSER_WIDGET,
 126                                                                    GtkFileChooserWidgetPrivate);
 127   chooser_widget->priv = priv;
 128 }
 129
 130 static void
 131 gtk_file_chooser_widget_finalize (GObject *object)
 132 {
 133   GtkFileChooserWidget *chooser = GTK_FILE_CHOOSER_WIDGET (object);
 134
 135   g_free (chooser->priv->file_system);
 136
 137   G_OBJECT_CLASS (parent_class)->finalize (object);
 138 }
 139
 140 static GObject*
 141 gtk_file_chooser_widget_constructor (GType                  type,
 142                                      guint                  n_construct_properties,
 143                                      GObjectConstructParam *construct_params)
 144 {
 145   GtkFileChooserWidgetPrivate *priv;
 146   GObject *object;
 147   gchar *current_folder;
 148
 149   object = parent_class->constructor (type,
 150                                       n_construct_properties,
 151                                       construct_params);
 152   priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 153
 154   gtk_widget_push_composite_child ();
 155
 156   priv->impl = _gtk_file_chooser_default_new (priv->file_system);
 157
 158   gtk_box_pack_start (GTK_BOX (object), priv->impl, TRUE, TRUE, 0);
 159   gtk_widget_show (priv->impl);
 160
 161   current_folder = g_get_current_dir ();
 162   gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (priv->impl), current_folder);
 163   g_free (current_folder);
 164
 165   _gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
 166                                   GTK_FILE_CHOOSER (priv->impl));
 167
 168   _gtk_file_chooser_embed_set_delegate (GTK_FILE_CHOOSER_EMBED (object),
 169                                         GTK_FILE_CHOOSER_EMBED (priv->impl));
 170
 171   gtk_widget_pop_composite_child ();
 172
 173   return object;
 174 }
 175
 176 static void
 177 gtk_file_chooser_widget_set_property (GObject         *object,
 178                                       guint            prop_id,
 179                                       const GValue    *value,
 180                                       GParamSpec      *pspec)
 181 {
 182   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 183
 184   switch (prop_id)
 185     {
 186     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
 187       g_free (priv->file_system);
 188       priv->file_system = g_value_dup_string (value);
 189       break;
 190     default:
 191       g_object_set_property (G_OBJECT (priv->impl), pspec->name, value);
 192       break;
 193     }
 194 }
 195
 196 static void
 197 gtk_file_chooser_widget_get_property (GObject         *object,
 198                                       guint            prop_id,
 199                                       GValue          *value,
 200                                       GParamSpec      *pspec)
 201 {
 202   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 203
 204   g_object_get_property (G_OBJECT (priv->impl), pspec->name, value);
 205 }
 206
 207 /**
 208  * gtk_file_chooser_widget_new:
 209  * @action: Open or save mode for the widget
 210  *
 211  * Creates a new #GtkFileChooserWidget.  This is a file chooser widget that can
 212  * be embedded in custom windows, and it is the same widget that is used by
 213  * #GtkFileChooserDialog.
 214  *
 215  * Return value: a new #GtkFileChooserWidget
 216  *
 217  * Since: 2.4
 218  **/
 219 GtkWidget *
 220 gtk_file_chooser_widget_new (GtkFileChooserAction action)
 221 {
 222   return g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
 223                        "action", action,
 224                        NULL);
 225 }
 226
 227 /**
 228  * gtk_file_chooser_widget_new_with_backend:
 229  * @action: Open or save mode for the widget
 230  * @backend: The name of the specific filesystem backend to use.
 231  *
 232  * Creates a new #GtkFileChooserWidget with a specified backend.  This is
 233  * especially useful if you use gtk_file_chooser_set_local_only() to allow
 234  * non-local files.  This is a file chooser widget that can be embedded in
 235  * custom windows and it is the same widget that is used by
 236  * #GtkFileChooserDialog.
 237  *
 238  * Return value: a new #GtkFileChooserWidget
 239  *
 240  * Since: 2.4
 241  **/
 242 GtkWidget *
 243 gtk_file_chooser_widget_new_with_backend (GtkFileChooserAction  action,
 244                                           const gchar          *backend)
 245 {
 246   return g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
 247                        "action", action,
 248                        "file-system-backend", backend,
 249                        NULL);
 250 }