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 #else if defined G_OS_WIN32
  27 #include "gtkfilesystemwin32.h"
  28 #endif
  29 #include "gtktypebuiltins.h"
  30
  31 struct _GtkFileChooserWidgetPrivate
  32 {
  33   GtkWidget *impl;
  34
  35   GtkFileSystem *file_system;
  36 };
  37
  38 #define GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE(o)  (GTK_FILE_CHOOSER_WIDGET (o)->priv)
  39
  40 static void gtk_file_chooser_widget_class_init   (GtkFileChooserWidgetClass *class);
  41 static void gtk_file_chooser_widget_init         (GtkFileChooserWidget      *chooser_widget);
  42
  43 static GObject* gtk_file_chooser_widget_constructor  (GType                  type,
  44                                                       guint                  n_construct_properties,
  45                                                       GObjectConstructParam *construct_params);
  46 static void     gtk_file_chooser_widget_set_property (GObject               *object,
  47                                                       guint                  prop_id,
  48                                                       const GValue          *value,
  49                                                       GParamSpec            *pspec);
  50 static void     gtk_file_chooser_widget_get_property (GObject               *object,
  51                                                       guint                  prop_id,
  52                                                       GValue                *value,
  53                                                       GParamSpec            *pspec);
  54
  55 static GObjectClass *parent_class;
  56
  57 GType
  58 gtk_file_chooser_widget_get_type (void)
  59 {
  60   static GType file_chooser_widget_type = 0;
  61
  62   if (!file_chooser_widget_type)
  63     {
  64       static const GTypeInfo file_chooser_widget_info =
  65       {
  66         sizeof (GtkFileChooserWidgetClass),
  67         NULL,           /* base_init */
  68         NULL,           /* base_finalize */
  69         (GClassInitFunc) gtk_file_chooser_widget_class_init,
  70         NULL,           /* class_finalize */
  71         NULL,           /* class_data */
  72         sizeof (GtkFileChooserWidget),
  73         0,              /* n_preallocs */
  74         (GInstanceInitFunc) gtk_file_chooser_widget_init,
  75       };
  76
  77       static const GInterfaceInfo file_chooser_info =
  78       {
  79         (GInterfaceInitFunc) _gtk_file_chooser_delegate_iface_init, /* interface_init */
  80         NULL,                                                       /* interface_finalize */
  81         NULL                                                        /* interface_data */
  82       };
  83
  84       file_chooser_widget_type = g_type_register_static (GTK_TYPE_VBOX, "GtkFileChooserWidget",
  85                                                          &file_chooser_widget_info, 0);
  86       g_type_add_interface_static (file_chooser_widget_type,
  87                                    GTK_TYPE_FILE_CHOOSER,
  88                                    &file_chooser_info);
  89     }
  90
  91   return file_chooser_widget_type;
  92 }
  93
  94 static void
  95 gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
  96 {
  97   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
  98
  99   parent_class = g_type_class_peek_parent (class);
 100
 101   gobject_class->constructor = gtk_file_chooser_widget_constructor;
 102   gobject_class->set_property = gtk_file_chooser_widget_set_property;
 103   gobject_class->get_property = gtk_file_chooser_widget_get_property;
 104
 105   _gtk_file_chooser_install_properties (gobject_class);
 106
 107   g_type_class_add_private (class, sizeof (GtkFileChooserWidgetPrivate));
 108 }
 109
 110 static void
 111 gtk_file_chooser_widget_init (GtkFileChooserWidget *chooser_widget)
 112 {
 113   GtkFileChooserWidgetPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser_widget,
 114                                                                    GTK_TYPE_FILE_CHOOSER_WIDGET,
 115                                                                    GtkFileChooserWidgetPrivate);
 116   chooser_widget->priv = priv;
 117 }
 118
 119 static GObject*
 120 gtk_file_chooser_widget_constructor (GType                  type,
 121                                      guint                  n_construct_properties,
 122                                      GObjectConstructParam *construct_params)
 123 {
 124   GtkFileChooserWidgetPrivate *priv;
 125   GObject *object;
 126   gchar *current_folder;
 127   gchar *current_folder_uri;
 128
 129   object = parent_class->constructor (type,
 130                                       n_construct_properties,
 131                                       construct_params);
 132   priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 133
 134   gtk_widget_push_composite_child ();
 135
 136   if (!priv->file_system)
 137     {
 138 #if defined G_OS_UNIX
 139       priv->file_system = gtk_file_system_unix_new ();
 140 #else if defined G_OS_WIN32
 141       priv->file_system = gtk_file_system_win32_new ();
 142 #endif
 143     }
 144
 145   priv->impl = _gtk_file_chooser_default_new (priv->file_system);
 146   gtk_box_pack_start (GTK_BOX (object), priv->impl, TRUE, TRUE, 0);
 147   gtk_widget_show (priv->impl);
 148
 149   current_folder = g_get_current_dir ();
 150   current_folder_uri = g_filename_to_uri (current_folder, NULL, NULL);
 151   if (current_folder_uri)
 152     {
 153       gtk_file_chooser_set_current_folder_uri (GTK_FILE_CHOOSER (priv->impl), current_folder_uri);
 154       g_free (current_folder_uri);
 155     }
 156   g_free (current_folder);
 157
 158   _gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
 159                                   GTK_FILE_CHOOSER (priv->impl));
 160
 161   gtk_widget_pop_composite_child ();
 162
 163   return object;
 164 }
 165
 166 static void
 167 gtk_file_chooser_widget_set_property (GObject         *object,
 168                                       guint            prop_id,
 169                                       const GValue    *value,
 170                                       GParamSpec      *pspec)
 171 {
 172   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 173
 174   switch (prop_id)
 175     {
 176     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM:
 177       {
 178         GtkFileSystem *file_system = g_value_get_object (value);
 179         if (priv->file_system != file_system)
 180           {
 181             if (priv->file_system)
 182               g_object_unref (priv->file_system);
 183             priv->file_system = file_system;
 184             if (priv->file_system)
 185               g_object_ref (priv->file_system);
 186           }
 187       }
 188       break;
 189     default:
 190       g_object_set_property (G_OBJECT (priv->impl), pspec->name, value);
 191       break;
 192     }
 193 }
 194
 195 static void
 196 gtk_file_chooser_widget_get_property (GObject         *object,
 197                                       guint            prop_id,
 198                                       GValue          *value,
 199                                       GParamSpec      *pspec)
 200 {
 201   GtkFileChooserWidgetPrivate *priv = GTK_FILE_CHOOSER_WIDGET_GET_PRIVATE (object);
 202
 203   g_object_get_property (G_OBJECT (priv->impl), pspec->name, value);
 204 }
 205
 206 /**
 207  * gtk_file_chooser_widget_new:
 208  * @action: Open or save mode for the widget
 209  *
 210  * Creates a new #GtkFileChooserWidget.  This is a file chooser widget that can
 211  * be embedded in custom windows, and it is the same widget that is used by
 212  * #GtkFileChooserDialog.
 213  *
 214  * Return value: a new #GtkFileChooserWidget
 215  *
 216  * Since: 2.4
 217  **/
 218 GtkWidget *
 219 gtk_file_chooser_widget_new (GtkFileChooserAction action)
 220 {
 221   return g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
 222                        "action", action,
 223                        NULL);
 224 }