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 "gtkfilechooserimpldefault.h"
  23 #include "gtkfilechooserenums.h"
  24 #include "gtkfilechooserutils.h"
  25 #include "gtkfilesystemunix.h"
  26
  27 struct _GtkFileChooserWidgetPrivate
  28 {
  29   GtkWidget *impl;
  30
  31   GtkFileSystem *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
  39 static GObject* gtk_file_chooser_widget_constructor  (GType                  type,
  40                                                       guint                  n_construct_properties,
  41                                                       GObjectConstructParam *construct_params);
  42 static void     gtk_file_chooser_widget_set_property (GObject               *object,
  43                                                       guint                  prop_id,
  44                                                       const GValue          *value,
  45                                                       GParamSpec            *pspec);
  46 static void     gtk_file_chooser_widget_get_property (GObject               *object,
  47                                                       guint                  prop_id,
  48                                                       GValue                *value,
  49                                                       GParamSpec            *pspec);
  50
  51 static GObjectClass *parent_class;
  52
  53 GType
  54 gtk_file_chooser_widget_get_type (void)
  55 {
  56   static GType file_chooser_widget_type = 0;
  57
  58   if (!file_chooser_widget_type)
  59     {
  60       static const GTypeInfo file_chooser_widget_info =
  61       {
  62         sizeof (GtkFileChooserWidgetClass),
  63         NULL,           /* base_init */
  64         NULL,           /* base_finalize */
  65         (GClassInitFunc) gtk_file_chooser_widget_class_init,
  66         NULL,           /* class_finalize */
  67         NULL,           /* class_data */
  68         sizeof (GtkFileChooserWidget),
  69         0,              /* n_preallocs */
  70         (GInstanceInitFunc) gtk_file_chooser_widget_init,
  71       };
  72
  73       static const GInterfaceInfo file_chooser_info =
  74       {
  75         (GInterfaceInitFunc) _gtk_file_chooser_delegate_iface_init, /* interface_init */
  76         NULL,                                                       /* interface_finalize */
  77         NULL                                                        /* interface_data */
  78       };
  79
  80       file_chooser_widget_type = g_type_register_static (GTK_TYPE_VBOX, "GtkFileChooserWidget",
  81                                                          &file_chooser_widget_info, 0);
  82       g_type_add_interface_static (file_chooser_widget_type,
  83                                    GTK_TYPE_FILE_CHOOSER,
  84                                    &file_chooser_info);
  85     }
  86
  87   return file_chooser_widget_type;
  88 }
  89
  90 static void
  91 gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
  92 {
  93   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
  94
  95   parent_class = g_type_class_peek_parent (class);
  96
  97   gobject_class->constructor = gtk_file_chooser_widget_constructor;
  98   gobject_class->set_property = gtk_file_chooser_widget_set_property;
  99   gobject_class->get_property = gtk_file_chooser_widget_get_property;
 100
 101   _gtk_file_chooser_install_properties (gobject_class);
 102
 103   g_type_class_add_private (class, sizeof (GtkFileChooserWidgetPrivate));
 104 }
 105
 106 static void
 107 gtk_file_chooser_widget_init (GtkFileChooserWidget *chooser_widget)
 108 {
 109   GtkFileChooserWidgetPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser_widget,
 110                                                                    GTK_TYPE_FILE_CHOOSER_WIDGET,
 111                                                                    GtkFileChooserWidgetPrivate);
 112   chooser_widget->priv = priv;
 113 }
 114
 115 static GObject*
 116 gtk_file_chooser_widget_constructor (GType                  type,
 117                                      guint                  n_construct_properties,
 118                                      GObjectConstructParam *construct_params)
 119 {
 120   GtkFileChooserWidgetPrivate *priv;
 121   GObject *object;
 122   gchar *current_folder;
 123   gchar *current_folder_uri;
 124
 125   object = parent_class->constructor (type,
 126                                       n_construct_properties,
 127                                       construct_params);
 128   priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 129
 130   gtk_widget_push_composite_child ();
 131
 132   if (!priv->file_system)
 133     priv->file_system = gtk_file_system_unix_new ();
 134
 135   priv->impl = _gtk_file_chooser_impl_default_new (priv->file_system);
 136   gtk_box_pack_start (GTK_BOX (object), priv->impl, TRUE, TRUE, 0);
 137   gtk_widget_show (priv->impl);
 138
 139   current_folder = g_get_current_dir ();
 140   current_folder_uri = g_filename_to_uri (current_folder, NULL, NULL);
 141   if (current_folder_uri)
 142     {
 143       gtk_file_chooser_set_current_folder_uri (GTK_FILE_CHOOSER (priv->impl), current_folder_uri);
 144       g_free (current_folder_uri);
 145     }
 146   g_free (current_folder);
 147
 148   _gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
 149                                   GTK_FILE_CHOOSER (priv->impl));
 150
 151   gtk_widget_pop_composite_child ();
 152
 153   return object;
 154 }
 155
 156 static void
 157 gtk_file_chooser_widget_set_property (GObject         *object,
 158                                       guint            prop_id,
 159                                       const GValue    *value,
 160                                       GParamSpec      *pspec)
 161 {
 162   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 163
 164   switch (prop_id)
 165     {
 166     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM:
 167       {
 168         GtkFileSystem *file_system = g_value_get_object (value);
 169         if (priv->file_system != file_system)
 170           {
 171             if (priv->file_system)
 172               g_object_unref (priv->file_system);
 173             priv->file_system = file_system;
 174             if (priv->file_system)
 175               g_object_ref (priv->file_system);
 176           }
 177       }
 178       break;
 179     default:
 180       g_object_set_property (G_OBJECT (priv->impl), pspec->name, value);
 181       break;
 182     }
 183 }
 184
 185 static void
 186 gtk_file_chooser_widget_get_property (GObject         *object,
 187                                       guint            prop_id,
 188                                       GValue          *value,
 189                                       GParamSpec      *pspec)
 190 {
 191   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 192
 193   g_object_get_property (G_OBJECT (priv->impl), pspec->name, value);
 194 }
 195
 196 GtkWidget *
 197 gtk_file_chooser_widget_new (GtkFileChooserAction action)
 198 {
 199   return g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
 200                        "action", action,
 201                        NULL);
 202 }