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 "gtkfilechooserwidget.h"
  22 #include "gtkfilechooserdefault.h"
  23 #include "gtkfilechooserutils.h"
  24 #include "gtktypebuiltins.h"
  25 #include "gtkfilechooserembed.h"
  26
  27 struct _GtkFileChooserWidgetPrivate
  28 {
  29   GtkWidget *impl;
  30
  31   char *file_system;
  32 };
  33
  34 #define GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE(o)  (GTK_FILE_CHOOSER_WIDGET (o)->priv)
  35
  36 static void gtk_file_chooser_widget_class_init   (GtkFileChooserWidgetClass *class);
  37 static void gtk_file_chooser_widget_init         (GtkFileChooserWidget      *chooser_widget);
  38 static void gtk_file_chooser_widget_finalize     (GObject                   *object);
  39
  40 static GObject* gtk_file_chooser_widget_constructor  (GType                  type,
  41                                                       guint                  n_construct_properties,
  42                                                       GObjectConstructParam *construct_params);
  43 static void     gtk_file_chooser_widget_set_property (GObject               *object,
  44                                                       guint                  prop_id,
  45                                                       const GValue          *value,
  46                                                       GParamSpec            *pspec);
  47 static void     gtk_file_chooser_widget_get_property (GObject               *object,
  48                                                       guint                  prop_id,
  49                                                       GValue                *value,
  50                                                       GParamSpec            *pspec);
  51
  52 static GObjectClass *parent_class;
  53
  54 GType
  55 gtk_file_chooser_widget_get_type (void)
  56 {
  57   static GType file_chooser_widget_type = 0;
  58
  59   if (!file_chooser_widget_type)
  60     {
  61       static const GTypeInfo file_chooser_widget_info =
  62       {
  63         sizeof (GtkFileChooserWidgetClass),
  64         NULL,           /* base_init */
  65         NULL,           /* base_finalize */
  66         (GClassInitFunc) gtk_file_chooser_widget_class_init,
  67         NULL,           /* class_finalize */
  68         NULL,           /* class_data */
  69         sizeof (GtkFileChooserWidget),
  70         0,              /* n_preallocs */
  71         (GInstanceInitFunc) gtk_file_chooser_widget_init,
  72       };
  73
  74       static const GInterfaceInfo file_chooser_info =
  75       {
  76         (GInterfaceInitFunc) _gtk_file_chooser_delegate_iface_init, /* interface_init */
  77         NULL,                                                       /* interface_finalize */
  78         NULL                                                        /* interface_data */
  79       };
  80
  81       static const GInterfaceInfo file_chooser_embed_info =
  82       {
  83         (GInterfaceInitFunc) _gtk_file_chooser_embed_delegate_iface_init, /* interface_init */
  84         NULL,                                                             /* interface_finalize */
  85         NULL                                                              /* interface_data */
  86       };
  87
  88       file_chooser_widget_type = g_type_register_static (GTK_TYPE_VBOX, "GtkFileChooserWidget",
  89                                                          &file_chooser_widget_info, 0);
  90
  91       g_type_add_interface_static (file_chooser_widget_type,
  92                                    GTK_TYPE_FILE_CHOOSER,
  93                                    &file_chooser_info);
  94       g_type_add_interface_static (file_chooser_widget_type,
  95                                    GTK_TYPE_FILE_CHOOSER_EMBED,
  96                                    &file_chooser_embed_info);
  97     }
  98
  99   return file_chooser_widget_type;
 100 }
 101
 102 static void
 103 gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
 104 {
 105   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 106
 107   parent_class = g_type_class_peek_parent (class);
 108
 109   gobject_class->constructor = gtk_file_chooser_widget_constructor;
 110   gobject_class->set_property = gtk_file_chooser_widget_set_property;
 111   gobject_class->get_property = gtk_file_chooser_widget_get_property;
 112   gobject_class->finalize = gtk_file_chooser_widget_finalize;
 113
 114   _gtk_file_chooser_install_properties (gobject_class);
 115
 116   g_type_class_add_private (class, sizeof (GtkFileChooserWidgetPrivate));
 117 }
 118
 119 static void
 120 gtk_file_chooser_widget_init (GtkFileChooserWidget *chooser_widget)
 121 {
 122   GtkFileChooserWidgetPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser_widget,
 123                                                                    GTK_TYPE_FILE_CHOOSER_WIDGET,
 124                                                                    GtkFileChooserWidgetPrivate);
 125   chooser_widget->priv = priv;
 126 }
 127
 128 static void
 129 gtk_file_chooser_widget_finalize (GObject *object)
 130 {
 131   GtkFileChooserWidget *chooser = GTK_FILE_CHOOSER_WIDGET (object);
 132
 133   g_free (chooser->priv->file_system);
 134
 135   G_OBJECT_CLASS (parent_class)->finalize (object);
 136 }
 137
 138 static GObject*
 139 gtk_file_chooser_widget_constructor (GType                  type,
 140                                      guint                  n_construct_properties,
 141                                      GObjectConstructParam *construct_params)
 142 {
 143   GtkFileChooserWidgetPrivate *priv;
 144   GObject *object;
 145   gchar *current_folder;
 146
 147   object = parent_class->constructor (type,
 148                                       n_construct_properties,
 149                                       construct_params);
 150   priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 151
 152   gtk_widget_push_composite_child ();
 153
 154   priv->impl = _gtk_file_chooser_default_new (priv->file_system);
 155
 156   gtk_box_pack_start (GTK_BOX (object), priv->impl, TRUE, TRUE, 0);
 157   gtk_widget_show (priv->impl);
 158
 159   current_folder = g_get_current_dir ();
 160   gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (priv->impl), current_folder);
 161   g_free (current_folder);
 162
 163   _gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
 164                                   GTK_FILE_CHOOSER (priv->impl));
 165
 166   _gtk_file_chooser_embed_set_delegate (GTK_FILE_CHOOSER_EMBED (object),
 167                                         GTK_FILE_CHOOSER_EMBED (priv->impl));
 168
 169   gtk_widget_pop_composite_child ();
 170
 171   return object;
 172 }
 173
 174 static void
 175 gtk_file_chooser_widget_set_property (GObject         *object,
 176                                       guint            prop_id,
 177                                       const GValue    *value,
 178                                       GParamSpec      *pspec)
 179 {
 180   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 181
 182   switch (prop_id)
 183     {
 184     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
 185       g_free (priv->file_system);
 186       priv->file_system = g_value_dup_string (value);
 187       break;
 188     default:
 189       g_object_set_property (G_OBJECT (priv->impl), pspec->name, value);
 190       break;
 191     }
 192 }
 193
 194 static void
 195 gtk_file_chooser_widget_get_property (GObject         *object,
 196                                       guint            prop_id,
 197                                       GValue          *value,
 198                                       GParamSpec      *pspec)
 199 {
 200   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 201
 202   g_object_get_property (G_OBJECT (priv->impl), pspec->name, value);
 203 }
 204
 205 /**
 206  * gtk_file_chooser_widget_new:
 207  * @action: Open or save mode for the widget
 208  *
 209  * Creates a new #GtkFileChooserWidget.  This is a file chooser widget that can
 210  * be embedded in custom windows, and it is the same widget that is used by
 211  * #GtkFileChooserDialog.
 212  *
 213  * Return value: a new #GtkFileChooserWidget
 214  *
 215  * Since: 2.4
 216  **/
 217 GtkWidget *
 218 gtk_file_chooser_widget_new (GtkFileChooserAction action)
 219 {
 220   return g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
 221                        "action", action,
 222                        NULL);
 223 }
 224
 225 /**
 226  * gtk_file_chooser_widget_new:
 227  * @action: Open or save mode for the widget
 228  * @backend: The name of the specific filesystem backend to use.
 229  *
 230  * Creates a new #GtkFileChooserWidget with a specified backend.  This is
 231  * especially useful if you use gtk_file_chooser_set_local_only() to allow
 232  * non-local files.  This is a file chooser widget that can be embedded in
 233  * custom windows and it is the same widget that is used by
 234  * #GtkFileChooserDialog.
 235  *
 236  * Return value: a new #GtkFileChooserWidget
 237  *
 238  * Since: 2.4
 239  **/
 240 GtkWidget *
 241 gtk_file_chooser_widget_new_with_backend (GtkFileChooserAction  action,
 242                                           const gchar          *backend)
 243 {
 244   return g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
 245                        "action", action,
 246                        "file-system-backend", backend,
 247                        NULL);
 248 }