Pileus Git - ~andy/gtk/blob - gtk/gtkfilechooserdialog.c

   1 /* GTK - The GIMP Toolkit
   2  * gtkfilechooserdialog.c: File selector dialog
   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 "gtkfilechooserdialog.h"
  22 #include "gtkfilechooserwidget.h"
  23 #include "gtkfilechooserutils.h"
  24 #include "gtkfilesystem.h"
  25 #include "gtktypebuiltins.h"
  26
  27 #include <stdarg.h>
  28
  29 struct _GtkFileChooserDialogPrivate
  30 {
  31   GtkWidget *widget;
  32
  33   GtkFileSystem *file_system;
  34 };
  35
  36 #define GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE(o)  (GTK_FILE_CHOOSER_DIALOG (o)->priv)
  37
  38 static void gtk_file_chooser_dialog_class_init (GtkFileChooserDialogClass *class);
  39 static void gtk_file_chooser_dialog_init       (GtkFileChooserDialog      *dialog);
  40
  41 static GObject* gtk_file_chooser_dialog_constructor  (GType                  type,
  42                                                       guint                  n_construct_properties,
  43                                                       GObjectConstructParam *construct_params);
  44 static void     gtk_file_chooser_dialog_set_property (GObject               *object,
  45                                                       guint                  prop_id,
  46                                                       const GValue          *value,
  47                                                       GParamSpec            *pspec);
  48 static void     gtk_file_chooser_dialog_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_dialog_get_type (void)
  57 {
  58   static GType file_chooser_dialog_type = 0;
  59
  60   if (!file_chooser_dialog_type)
  61     {
  62       static const GTypeInfo file_chooser_dialog_info =
  63       {
  64         sizeof (GtkFileChooserDialogClass),
  65         NULL,           /* base_init */
  66         NULL,           /* base_finalize */
  67         (GClassInitFunc) gtk_file_chooser_dialog_class_init,
  68         NULL,           /* class_finalize */
  69         NULL,           /* class_data */
  70         sizeof (GtkFileChooserDialog),
  71         0,              /* n_preallocs */
  72         (GInstanceInitFunc) gtk_file_chooser_dialog_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_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkFileChooserDialog",
  83                                                          &file_chooser_dialog_info, 0);
  84       g_type_add_interface_static (file_chooser_dialog_type,
  85                                    GTK_TYPE_FILE_CHOOSER,
  86                                    &file_chooser_info);
  87     }
  88
  89   return file_chooser_dialog_type;
  90 }
  91
  92 static void
  93 gtk_file_chooser_dialog_class_init (GtkFileChooserDialogClass *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_dialog_constructor;
 100   gobject_class->set_property = gtk_file_chooser_dialog_set_property;
 101   gobject_class->get_property = gtk_file_chooser_dialog_get_property;
 102
 103   _gtk_file_chooser_install_properties (gobject_class);
 104
 105   g_type_class_add_private (class, sizeof (GtkFileChooserDialogPrivate));
 106 }
 107
 108 static void
 109 gtk_file_chooser_dialog_init (GtkFileChooserDialog *dialog)
 110 {
 111   GtkFileChooserDialogPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (dialog,
 112                                                                    GTK_TYPE_FILE_CHOOSER_DIALOG,
 113                                                                    GtkFileChooserDialogPrivate);
 114   dialog->priv = priv;
 115 }
 116
 117 /* Callback used when the user activates a file in the file chooser widget */
 118 static void
 119 file_chooser_widget_file_activated (GtkFileChooser       *chooser,
 120                                     GtkFileChooserDialog *dialog)
 121 {
 122   gtk_window_activate_default (GTK_WINDOW (dialog));
 123 }
 124
 125 static GObject*
 126 gtk_file_chooser_dialog_constructor (GType                  type,
 127                                      guint                  n_construct_properties,
 128                                      GObjectConstructParam *construct_params)
 129 {
 130   GtkFileChooserDialogPrivate *priv;
 131   GObject *object;
 132
 133   object = parent_class->constructor (type,
 134                                       n_construct_properties,
 135                                       construct_params);
 136   priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
 137
 138   gtk_widget_push_composite_child ();
 139
 140   if (priv->file_system)
 141     priv->widget = g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
 142                                  "file-system", priv->file_system,
 143                                  NULL);
 144   else
 145     priv->widget = g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET, NULL);
 146
 147   g_signal_connect (priv->widget, "file-activated",
 148                     G_CALLBACK (file_chooser_widget_file_activated), object);
 149
 150   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (object)->vbox), priv->widget, TRUE, TRUE, 0);
 151   gtk_widget_show (priv->widget);
 152
 153   _gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
 154                                   GTK_FILE_CHOOSER (priv->widget));
 155
 156   gtk_widget_pop_composite_child ();
 157
 158   return object;
 159 }
 160
 161 static void
 162 gtk_file_chooser_dialog_set_property (GObject         *object,
 163                                       guint            prop_id,
 164                                       const GValue    *value,
 165                                       GParamSpec      *pspec)
 166
 167 {
 168   GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
 169
 170   switch (prop_id)
 171     {
 172     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM:
 173       {
 174         GtkFileSystem *file_system = g_value_get_object (value);
 175         if (priv->file_system != file_system)
 176           {
 177             if (priv->file_system)
 178               g_object_unref (priv->file_system);
 179             priv->file_system = file_system;
 180             if (priv->file_system)
 181               g_object_ref (priv->file_system);
 182           }
 183       }
 184       break;
 185     default:
 186       g_object_set_property (G_OBJECT (priv->widget), pspec->name, value);
 187       break;
 188     }
 189 }
 190
 191 static void
 192 gtk_file_chooser_dialog_get_property (GObject         *object,
 193                                       guint            prop_id,
 194                                       GValue          *value,
 195                                       GParamSpec      *pspec)
 196 {
 197   GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
 198
 199   g_object_get_property (G_OBJECT (priv->widget), pspec->name, value);
 200 }
 201
 202 /**
 203  * gtk_file_chooser_dialog_new:
 204  * @title: Title of the dialog, or %NULL
 205  * @parent: Transient parent of the dialog, or %NULL
 206  * @action: Open or save mode for the dialog
 207  * @first_button_text: stock ID or text to go in the first button, or %NULL
 208  * @Varargs: response ID for the first button, then additional (button, id) pairs, ending with %NULL
 209  *
 210  * Creates a new #GtkFileChooserDialog.  This function is analogous to
 211  * gtk_dialog_new_with_buttons().
 212  *
 213  * Return value: a new #GtkFileChooserDialog
 214  **/
 215 GtkWidget *
 216 gtk_file_chooser_dialog_new (const gchar         *title,
 217                              GtkWindow           *parent,
 218                              GtkFileChooserAction action,
 219                              const gchar         *first_button_text,
 220                              ...)
 221 {
 222   GtkWidget *result;
 223   va_list varargs;
 224   const char *button_text = first_button_text;
 225   gint response_id;
 226
 227   result = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
 228                          "title", title,
 229                          "action", action,
 230                          NULL);
 231
 232   if (parent)
 233     gtk_window_set_transient_for (GTK_WINDOW (result), parent);
 234
 235   va_start (varargs, first_button_text);
 236
 237   while (button_text)
 238     {
 239       response_id = va_arg (varargs, gint);
 240       gtk_dialog_add_button (GTK_DIALOG (result), button_text, response_id);
 241       button_text = va_arg (varargs, const gchar *);
 242     }
 243
 244   va_end (varargs);
 245
 246   return result;
 247 }