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
  26 #if defined (G_OS_UNIX)
  27 #include "gtkfilesystemunix.h"
  28 #elif defined (G_OS_WIN32)
  29 #include "gtkfilesystemwin32.h"
  30 #endif
  31
  32 struct _GtkFileChooserWidgetPrivate
  33 {
  34   GtkWidget *impl;
  35
  36   GtkFileSystem *file_system;
  37 };
  38
  39 #define GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE(o)  (GTK_FILE_CHOOSER_WIDGET (o)->priv)
  40
  41 static void gtk_file_chooser_widget_class_init   (GtkFileChooserWidgetClass *class);
  42 static void gtk_file_chooser_widget_init         (GtkFileChooserWidget      *chooser_widget);
  43
  44 static GObject* gtk_file_chooser_widget_constructor  (GType                  type,
  45                                                       guint                  n_construct_properties,
  46                                                       GObjectConstructParam *construct_params);
  47 static void     gtk_file_chooser_widget_set_property (GObject               *object,
  48                                                       guint                  prop_id,
  49                                                       const GValue          *value,
  50                                                       GParamSpec            *pspec);
  51 static void     gtk_file_chooser_widget_get_property (GObject               *object,
  52                                                       guint                  prop_id,
  53                                                       GValue                *value,
  54                                                       GParamSpec            *pspec);
  55
  56 static GObjectClass *parent_class;
  57
  58 GType
  59 gtk_file_chooser_widget_get_type (void)
  60 {
  61   static GType file_chooser_widget_type = 0;
  62
  63   if (!file_chooser_widget_type)
  64     {
  65       static const GTypeInfo file_chooser_widget_info =
  66       {
  67         sizeof (GtkFileChooserWidgetClass),
  68         NULL,           /* base_init */
  69         NULL,           /* base_finalize */
  70         (GClassInitFunc) gtk_file_chooser_widget_class_init,
  71         NULL,           /* class_finalize */
  72         NULL,           /* class_data */
  73         sizeof (GtkFileChooserWidget),
  74         0,              /* n_preallocs */
  75         (GInstanceInitFunc) gtk_file_chooser_widget_init,
  76       };
  77
  78       static const GInterfaceInfo file_chooser_info =
  79       {
  80         (GInterfaceInitFunc) _gtk_file_chooser_delegate_iface_init, /* interface_init */
  81         NULL,                                                       /* interface_finalize */
  82         NULL                                                        /* interface_data */
  83       };
  84
  85       file_chooser_widget_type = g_type_register_static (GTK_TYPE_VBOX, "GtkFileChooserWidget",
  86                                                          &file_chooser_widget_info, 0);
  87       g_type_add_interface_static (file_chooser_widget_type,
  88                                    GTK_TYPE_FILE_CHOOSER,
  89                                    &file_chooser_info);
  90     }
  91
  92   return file_chooser_widget_type;
  93 }
  94
  95 static void
  96 gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
  97 {
  98   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
  99
 100   parent_class = g_type_class_peek_parent (class);
 101
 102   gobject_class->constructor = gtk_file_chooser_widget_constructor;
 103   gobject_class->set_property = gtk_file_chooser_widget_set_property;
 104   gobject_class->get_property = gtk_file_chooser_widget_get_property;
 105
 106   _gtk_file_chooser_install_properties (gobject_class);
 107
 108   g_type_class_add_private (class, sizeof (GtkFileChooserWidgetPrivate));
 109 }
 110
 111 static void
 112 gtk_file_chooser_widget_init (GtkFileChooserWidget *chooser_widget)
 113 {
 114   GtkFileChooserWidgetPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser_widget,
 115                                                                    GTK_TYPE_FILE_CHOOSER_WIDGET,
 116                                                                    GtkFileChooserWidgetPrivate);
 117   chooser_widget->priv = priv;
 118 }
 119
 120 static GObject*
 121 gtk_file_chooser_widget_constructor (GType                  type,
 122                                      guint                  n_construct_properties,
 123                                      GObjectConstructParam *construct_params)
 124 {
 125   GtkFileChooserWidgetPrivate *priv;
 126   GObject *object;
 127   gchar *current_folder;
 128   gchar *current_folder_uri;
 129
 130   object = parent_class->constructor (type,
 131                                       n_construct_properties,
 132                                       construct_params);
 133   priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 134
 135   gtk_widget_push_composite_child ();
 136
 137   if (!priv->file_system)
 138     {
 139 #if defined (G_OS_UNIX)
 140       priv->file_system = gtk_file_system_unix_new ();
 141 #elif defined (G_OS_WIN32)
 142       priv->file_system = gtk_file_system_win32_new ();
 143 #endif
 144     }
 145
 146   priv->impl = _gtk_file_chooser_default_new (priv->file_system);
 147   gtk_box_pack_start (GTK_BOX (object), priv->impl, TRUE, TRUE, 0);
 148   gtk_widget_show (priv->impl);
 149
 150   current_folder = g_get_current_dir ();
 151   current_folder_uri = g_filename_to_uri (current_folder, NULL, NULL);
 152   if (current_folder_uri)
 153     {
 154       gtk_file_chooser_set_current_folder_uri (GTK_FILE_CHOOSER (priv->impl), current_folder_uri);
 155       g_free (current_folder_uri);
 156     }
 157   g_free (current_folder);
 158
 159   _gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
 160                                   GTK_FILE_CHOOSER (priv->impl));
 161
 162   gtk_widget_pop_composite_child ();
 163
 164   return object;
 165 }
 166
 167 static void
 168 gtk_file_chooser_widget_set_property (GObject         *object,
 169                                       guint            prop_id,
 170                                       const GValue    *value,
 171                                       GParamSpec      *pspec)
 172 {
 173   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 174
 175   switch (prop_id)
 176     {
 177     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM:
 178       {
 179         GtkFileSystem *file_system = g_value_get_object (value);
 180         if (priv->file_system != file_system)
 181           {
 182             if (priv->file_system)
 183               g_object_unref (priv->file_system);
 184             priv->file_system = file_system;
 185             if (priv->file_system)
 186               g_object_ref (priv->file_system);
 187           }
 188       }
 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 }