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 #ifdef G_OS_UNIX
  25 #include "gtkfilesystemunix.h"
  26 #endif
  27 #include "gtktypebuiltins.h"
  28
  29 struct _GtkFileChooserWidgetPrivate
  30 {
  31   GtkWidget *impl;
  32
  33   GtkFileSystem *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
  41 static GObject* gtk_file_chooser_widget_constructor  (GType                  type,
  42                                                       guint                  n_construct_properties,
  43                                                       GObjectConstructParam *construct_params);
  44 static void     gtk_file_chooser_widget_set_property (GObject               *object,
  45                                                       guint                  prop_id,
  46                                                       const GValue          *value,
  47                                                       GParamSpec            *pspec);
  48 static void     gtk_file_chooser_widget_get_property (GObject               *object,
  49                                                       guint                  prop_id,
  50                                                       GValue                *value,
  51                                                       GParamSpec            *pspec);
  52
  53 static GObjectClass *parent_class;
  54
  55 GType
  56 gtk_file_chooser_widget_get_type (void)
  57 {
  58   static GType file_chooser_widget_type = 0;
  59
  60   if (!file_chooser_widget_type)
  61     {
  62       static const GTypeInfo file_chooser_widget_info =
  63       {
  64         sizeof (GtkFileChooserWidgetClass),
  65         NULL,           /* base_init */
  66         NULL,           /* base_finalize */
  67         (GClassInitFunc) gtk_file_chooser_widget_class_init,
  68         NULL,           /* class_finalize */
  69         NULL,           /* class_data */
  70         sizeof (GtkFileChooserWidget),
  71         0,              /* n_preallocs */
  72         (GInstanceInitFunc) gtk_file_chooser_widget_init,
  73       };
  74
  75       static const GInterfaceInfo file_chooser_info =
  76       {
  77         (GInterfaceInitFunc) _gtk_file_chooser_delegate_iface_init, /* interface_init */
  78         NULL,                                                       /* interface_finalize */
  79         NULL                                                        /* interface_data */
  80       };
  81
  82       file_chooser_widget_type = g_type_register_static (GTK_TYPE_VBOX, "GtkFileChooserWidget",
  83                                                          &file_chooser_widget_info, 0);
  84       g_type_add_interface_static (file_chooser_widget_type,
  85                                    GTK_TYPE_FILE_CHOOSER,
  86                                    &file_chooser_info);
  87     }
  88
  89   return file_chooser_widget_type;
  90 }
  91
  92 static void
  93 gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
  94 {
  95   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
  96
  97   parent_class = g_type_class_peek_parent (class);
  98
  99   gobject_class->constructor = gtk_file_chooser_widget_constructor;
 100   gobject_class->set_property = gtk_file_chooser_widget_set_property;
 101   gobject_class->get_property = gtk_file_chooser_widget_get_property;
 102
 103   _gtk_file_chooser_install_properties (gobject_class);
 104
 105   g_type_class_add_private (class, sizeof (GtkFileChooserWidgetPrivate));
 106 }
 107
 108 static void
 109 gtk_file_chooser_widget_init (GtkFileChooserWidget *chooser_widget)
 110 {
 111   GtkFileChooserWidgetPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser_widget,
 112                                                                    GTK_TYPE_FILE_CHOOSER_WIDGET,
 113                                                                    GtkFileChooserWidgetPrivate);
 114   chooser_widget->priv = priv;
 115 }
 116
 117 static GObject*
 118 gtk_file_chooser_widget_constructor (GType                  type,
 119                                      guint                  n_construct_properties,
 120                                      GObjectConstructParam *construct_params)
 121 {
 122   GtkFileChooserWidgetPrivate *priv;
 123   GObject *object;
 124   gchar *current_folder;
 125   gchar *current_folder_uri;
 126
 127   object = parent_class->constructor (type,
 128                                       n_construct_properties,
 129                                       construct_params);
 130   priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 131
 132   gtk_widget_push_composite_child ();
 133
 134   if (!priv->file_system)
 135     priv->file_system = gtk_file_system_unix_new ();
 136
 137   priv->impl = _gtk_file_chooser_default_new (priv->file_system);
 138   gtk_box_pack_start (GTK_BOX (object), priv->impl, TRUE, TRUE, 0);
 139   gtk_widget_show (priv->impl);
 140
 141   current_folder = g_get_current_dir ();
 142   current_folder_uri = g_filename_to_uri (current_folder, NULL, NULL);
 143   if (current_folder_uri)
 144     {
 145       gtk_file_chooser_set_current_folder_uri (GTK_FILE_CHOOSER (priv->impl), current_folder_uri);
 146       g_free (current_folder_uri);
 147     }
 148   g_free (current_folder);
 149
 150   _gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
 151                                   GTK_FILE_CHOOSER (priv->impl));
 152
 153   gtk_widget_pop_composite_child ();
 154
 155   return object;
 156 }
 157
 158 static void
 159 gtk_file_chooser_widget_set_property (GObject         *object,
 160                                       guint            prop_id,
 161                                       const GValue    *value,
 162                                       GParamSpec      *pspec)
 163 {
 164   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 165
 166   switch (prop_id)
 167     {
 168     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM:
 169       {
 170         GtkFileSystem *file_system = g_value_get_object (value);
 171         if (priv->file_system != file_system)
 172           {
 173             if (priv->file_system)
 174               g_object_unref (priv->file_system);
 175             priv->file_system = file_system;
 176             if (priv->file_system)
 177               g_object_ref (priv->file_system);
 178           }
 179       }
 180       break;
 181     default:
 182       g_object_set_property (G_OBJECT (priv->impl), pspec->name, value);
 183       break;
 184     }
 185 }
 186
 187 static void
 188 gtk_file_chooser_widget_get_property (GObject         *object,
 189                                       guint            prop_id,
 190                                       GValue          *value,
 191                                       GParamSpec      *pspec)
 192 {
 193   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 194
 195   g_object_get_property (G_OBJECT (priv->impl), pspec->name, value);
 196 }
 197
 198 GtkWidget *
 199 gtk_file_chooser_widget_new (GtkFileChooserAction action)
 200 {
 201   return g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
 202                        "action", action,
 203                        NULL);
 204 }