]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkfilechooserdialog.c
Revert name change
[~andy/gtk] / gtk / gtkfilechooserdialog.c
index f5b9d1b8f5334feb76c58db297ca294b22519848..c180a05c2a6d88864094fd15b6d5856afa946b8f 100644 (file)
@@ -1,3 +1,4 @@
+/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
 /* GTK - The GIMP Toolkit
  * gtkfilechooserdialog.c: File selector dialog
  * Copyright (C) 2003, Red Hat, Inc.
  * Boston, MA 02111-1307, USA.
  */
 
+#include "config.h"
+#include "gtkfilechooserprivate.h"
 #include "gtkfilechooserdialog.h"
 #include "gtkfilechooserwidget.h"
 #include "gtkfilechooserutils.h"
+#include "gtkfilechooserembed.h"
 #include "gtkfilesystem.h"
 #include "gtktypebuiltins.h"
+#include "gtkintl.h"
+#include "gtkalias.h"
 
 #include <stdarg.h>
 
-struct _GtkFileChooserDialogPrivate
-{
-  GtkWidget *widget;
-  
-  GtkFileSystem *file_system;
-};
-
 #define GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE(o)  (GTK_FILE_CHOOSER_DIALOG (o)->priv)
 
-static void gtk_file_chooser_dialog_class_init (GtkFileChooserDialogClass *class);
-static void gtk_file_chooser_dialog_init       (GtkFileChooserDialog      *dialog);
+static void gtk_file_chooser_dialog_finalize   (GObject                   *object);
 
 static GObject* gtk_file_chooser_dialog_constructor  (GType                  type,
                                                      guint                  n_construct_properties,
@@ -50,55 +48,29 @@ static void     gtk_file_chooser_dialog_get_property (GObject               *obj
                                                      GValue                *value,
                                                      GParamSpec            *pspec);
 
-static GObjectClass *parent_class;
-
-GType
-gtk_file_chooser_dialog_get_type (void)
-{
-  static GType file_chooser_dialog_type = 0;
+static void     gtk_file_chooser_dialog_map          (GtkWidget             *widget);
+static void     gtk_file_chooser_dialog_unmap        (GtkWidget             *widget);
 
-  if (!file_chooser_dialog_type)
-    {
-      static const GTypeInfo file_chooser_dialog_info =
-      {
-       sizeof (GtkFileChooserDialogClass),
-       NULL,           /* base_init */
-       NULL,           /* base_finalize */
-       (GClassInitFunc) gtk_file_chooser_dialog_class_init,
-       NULL,           /* class_finalize */
-       NULL,           /* class_data */
-       sizeof (GtkFileChooserDialog),
-       0,              /* n_preallocs */
-       (GInstanceInitFunc) gtk_file_chooser_dialog_init,
-      };
-      
-      static const GInterfaceInfo file_chooser_info =
-      {
-       (GInterfaceInitFunc) _gtk_file_chooser_delegate_iface_init, /* interface_init */
-       NULL,                                                       /* interface_finalize */
-       NULL                                                        /* interface_data */
-      };
-
-      file_chooser_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkFileChooserDialog",
-                                                        &file_chooser_dialog_info, 0);
-      g_type_add_interface_static (file_chooser_dialog_type,
-                                  GTK_TYPE_FILE_CHOOSER,
-                                  &file_chooser_info);
-    }
+static void response_cb (GtkDialog *dialog,
+                        gint       response_id);
 
-  return file_chooser_dialog_type;
-}
+G_DEFINE_TYPE_WITH_CODE (GtkFileChooserDialog, gtk_file_chooser_dialog, GTK_TYPE_DIALOG,
+                        G_IMPLEMENT_INTERFACE (GTK_TYPE_FILE_CHOOSER,
+                                               _gtk_file_chooser_delegate_iface_init))
 
 static void
 gtk_file_chooser_dialog_class_init (GtkFileChooserDialogClass *class)
 {
   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
-
-  parent_class = g_type_class_peek_parent (class);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
 
   gobject_class->constructor = gtk_file_chooser_dialog_constructor;
   gobject_class->set_property = gtk_file_chooser_dialog_set_property;
   gobject_class->get_property = gtk_file_chooser_dialog_get_property;
+  gobject_class->finalize = gtk_file_chooser_dialog_finalize;
+
+  widget_class->map       = gtk_file_chooser_dialog_map;
+  widget_class->unmap     = gtk_file_chooser_dialog_unmap;
 
   _gtk_file_chooser_install_properties (gobject_class);
 
@@ -111,7 +83,42 @@ gtk_file_chooser_dialog_init (GtkFileChooserDialog *dialog)
   GtkFileChooserDialogPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (dialog,
                                                                   GTK_TYPE_FILE_CHOOSER_DIALOG,
                                                                   GtkFileChooserDialogPrivate);
+  GtkDialog *fc_dialog = GTK_DIALOG (dialog);
+
   dialog->priv = priv;
+  dialog->priv->response_requested = FALSE;
+
+  gtk_dialog_set_has_separator (fc_dialog, FALSE);
+  gtk_container_set_border_width (GTK_CONTAINER (fc_dialog), 5);
+  gtk_box_set_spacing (GTK_BOX (fc_dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
+  gtk_container_set_border_width (GTK_CONTAINER (fc_dialog->action_area), 5);
+
+  /* We do a signal connection here rather than overriding the method in
+   * class_init because GtkDialog::response is a RUN_LAST signal.  We want *our*
+   * handler to be run *first*, regardless of whether the user installs response
+   * handlers of his own.
+   */
+  g_signal_connect (dialog, "response",
+                   G_CALLBACK (response_cb), NULL);
+}
+
+static void
+gtk_file_chooser_dialog_finalize (GObject *object)
+{
+  GtkFileChooserDialog *dialog = GTK_FILE_CHOOSER_DIALOG (object);
+
+  g_free (dialog->priv->file_system);
+
+  G_OBJECT_CLASS (gtk_file_chooser_dialog_parent_class)->finalize (object);  
+}
+
+static gboolean
+is_stock_accept_response_id (int response_id)
+{
+  return (response_id == GTK_RESPONSE_ACCEPT
+         || response_id == GTK_RESPONSE_OK
+         || response_id == GTK_RESPONSE_YES
+         || response_id == GTK_RESPONSE_APPLY);
 }
 
 /* Callback used when the user activates a file in the file chooser widget */
@@ -119,9 +126,130 @@ static void
 file_chooser_widget_file_activated (GtkFileChooser       *chooser,
                                    GtkFileChooserDialog *dialog)
 {
-  gtk_window_activate_default (GTK_WINDOW (dialog));
+  GList *children, *l;
+
+  if (gtk_window_activate_default (GTK_WINDOW (dialog)))
+    return;
+
+  /* There probably isn't a default widget, so make things easier for the
+   * programmer by looking for a reasonable button on our own.
+   */
+
+  children = gtk_container_get_children (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area));
+
+  for (l = children; l; l = l->next)
+    {
+      GtkWidget *widget;
+      int response_id;
+
+      widget = GTK_WIDGET (l->data);
+      response_id = gtk_dialog_get_response_for_widget (GTK_DIALOG (dialog), widget);
+      if (is_stock_accept_response_id (response_id))
+       {
+         gtk_widget_activate (widget); /* Should we gtk_dialog_response (dialog, response_id) instead? */
+         break;
+       }
+    }
+
+  g_list_free (children);
+}
+
+static void
+clamp_to_screen (GtkWidget *widget,
+                gint      *width,
+                gint      *height)
+{
+  GdkScreen *screen;
+  int monitor_num;
+  GdkRectangle monitor;
+
+  g_return_if_fail (GTK_WIDGET_REALIZED (widget));
+  
+  screen = gtk_widget_get_screen (widget);
+  monitor_num = gdk_screen_get_monitor_at_window (screen, widget->window);
+
+  gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
+
+  if (width)
+    *width = MIN (*width, (monitor.width * 3) / 4);
+
+  if (height)
+    *height = MIN (*height, (monitor.height * 3) / 4);
+}
+
+static void
+file_chooser_widget_default_size_changed (GtkWidget            *widget,
+                                         GtkFileChooserDialog *dialog)
+{
+  GtkFileChooserDialogPrivate *priv;
+  gint width, height;
+  gint default_width, default_height;
+  GtkRequisition req, widget_req;
+
+  priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
+
+  /* Unset any previously set size */
+  gtk_widget_set_size_request (GTK_WIDGET (dialog), -1, -1);
+
+  if (GTK_WIDGET_DRAWABLE (widget))
+    {
+      /* Force a size request of everything before we start.  This will make sure
+       * that widget->requisition is meaningful. */
+      gtk_widget_size_request (GTK_WIDGET (dialog), &req);
+      gtk_widget_size_request (widget, &widget_req);
+
+      width = req.width - widget_req.width;
+      height = req.height - widget_req.height;
+    }
+  else
+    {
+      width = GTK_WIDGET (dialog)->allocation.width - widget->allocation.width;
+      height = GTK_WIDGET (dialog)->allocation.height - widget->allocation.height;
+    }
+
+  _gtk_file_chooser_embed_get_default_size (GTK_FILE_CHOOSER_EMBED (priv->widget),
+                                           &default_width, &default_height);
+
+  /* Ideal target size plus any extra size */
+  width = default_width + width + (2 * GTK_CONTAINER (dialog)->border_width);
+  height = default_height + height + (2 * GTK_CONTAINER (dialog)->border_width);
+
+  if (GTK_WIDGET_REALIZED (dialog))
+    clamp_to_screen (GTK_WIDGET (dialog), &width, &height);
+
+  gtk_window_resize (GTK_WINDOW (dialog), width, height);
 }
 
+static void
+file_chooser_widget_response_requested (GtkWidget            *widget,
+                                       GtkFileChooserDialog *dialog)
+{
+  GList *children, *l;
+
+  /* There probably isn't a default widget, so make things easier for the
+   * programmer by looking for a reasonable button on our own.
+   */
+
+  children = gtk_container_get_children (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area));
+
+  for (l = children; l; l = l->next)
+    {
+      GtkWidget *widget;
+      int response_id;
+
+      widget = GTK_WIDGET (l->data);
+      response_id = gtk_dialog_get_response_for_widget (GTK_DIALOG (dialog), widget);
+      if (is_stock_accept_response_id (response_id))
+       {
+         dialog->priv->response_requested = TRUE;
+         gtk_widget_activate (widget); /* Should we gtk_dialog_response (dialog, response_id) instead? */
+         break;
+       }
+    }
+
+  g_list_free (children);
+}
+  
 static GObject*
 gtk_file_chooser_dialog_constructor (GType                  type,
                                     guint                  n_construct_properties,
@@ -129,25 +257,31 @@ gtk_file_chooser_dialog_constructor (GType                  type,
 {
   GtkFileChooserDialogPrivate *priv;
   GObject *object;
-                                                                 
-  object = parent_class->constructor (type,
-                                     n_construct_properties,
-                                     construct_params);
+
+  object = G_OBJECT_CLASS (gtk_file_chooser_dialog_parent_class)->constructor (type,
+                                                                              n_construct_properties,
+                                                                              construct_params);
   priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
 
   gtk_widget_push_composite_child ();
 
   if (priv->file_system)
     priv->widget = g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
-                                "file-system", priv->file_system,
+                                "file-system-backend", priv->file_system,
                                 NULL);
   else
     priv->widget = g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET, NULL);
 
   g_signal_connect (priv->widget, "file-activated",
                    G_CALLBACK (file_chooser_widget_file_activated), object);
-  
+  g_signal_connect (priv->widget, "default-size-changed",
+                   G_CALLBACK (file_chooser_widget_default_size_changed), object);
+  g_signal_connect (priv->widget, "response-requested",
+                   G_CALLBACK (file_chooser_widget_response_requested), object);
+
+  gtk_container_set_border_width (GTK_CONTAINER (priv->widget), 5);
   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (object)->vbox), priv->widget, TRUE, TRUE, 0);
+
   gtk_widget_show (priv->widget);
 
   _gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
@@ -163,24 +297,15 @@ gtk_file_chooser_dialog_set_property (GObject         *object,
                                      guint            prop_id,
                                      const GValue    *value,
                                      GParamSpec      *pspec)
-     
+
 {
   GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
 
   switch (prop_id)
     {
-    case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM:
-      {
-       GtkFileSystem *file_system = g_value_get_object (value);
-       if (priv->file_system != file_system)
-         {
-           if (priv->file_system)
-             g_object_unref (priv->file_system);
-           priv->file_system = file_system;
-           if (priv->file_system)
-             g_object_ref (priv->file_system);
-         }
-      }
+    case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
+      g_free (priv->file_system);
+      priv->file_system = g_value_dup_string (value);
       break;
     default:
       g_object_set_property (G_OBJECT (priv->widget), pspec->name, value);
@@ -195,10 +320,168 @@ gtk_file_chooser_dialog_get_property (GObject         *object,
                                      GParamSpec      *pspec)
 {
   GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
-  
+
   g_object_get_property (G_OBJECT (priv->widget), pspec->name, value);
 }
 
+#if 0
+static void
+set_default_size (GtkFileChooserDialog *dialog)
+{
+  GtkWidget *widget;
+  GtkWindow *window;
+  int default_width, default_height;
+  int width, height;
+  int font_size;
+  GdkScreen *screen;
+  int monitor_num;
+  GtkRequisition req;
+  GdkRectangle monitor;
+
+  widget = GTK_WIDGET (dialog);
+  window = GTK_WINDOW (dialog);
+
+  /* Size based on characters */
+
+  font_size = pango_font_description_get_size (widget->style->font_desc);
+  font_size = PANGO_PIXELS (font_size);
+
+  width = font_size * NUM_CHARS;
+  height = font_size * NUM_LINES;
+
+  /* Use at least the requisition size... */
+
+  gtk_widget_size_request (widget, &req);
+  width = MAX (width, req.width);
+  height = MAX (height, req.height);
+
+  /* ... but no larger than the monitor */
+
+  screen = gtk_widget_get_screen (widget);
+  monitor_num = gdk_screen_get_monitor_at_window (screen, widget->window);
+
+  gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
+
+  width = MIN (width, monitor.width * 3 / 4);
+  height = MIN (height, monitor.height * 3 / 4);
+
+  /* Set size */
+
+  gtk_window_get_default_size (window, &default_width, &default_height);
+
+  gtk_window_set_default_size (window,
+                              (default_width == -1) ? width : default_width,
+                              (default_height == -1) ? height : default_height);
+}
+#endif
+
+static void
+foreach_ensure_default_response_cb (GtkWidget *widget,
+                                   gpointer   data)
+{
+  GtkFileChooserDialog *dialog = GTK_FILE_CHOOSER_DIALOG (data);
+  int response_id;
+
+  response_id = gtk_dialog_get_response_for_widget (GTK_DIALOG (dialog), widget);
+  if (is_stock_accept_response_id (response_id))
+    gtk_dialog_set_default_response (GTK_DIALOG (dialog), response_id);
+}
+
+static void
+ensure_default_response (GtkFileChooserDialog *dialog)
+{
+  gtk_container_foreach (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area),
+                        foreach_ensure_default_response_cb,
+                        dialog);
+}
+
+/* GtkWidget::map handler */
+static void
+gtk_file_chooser_dialog_map (GtkWidget *widget)
+{
+  GtkFileChooserDialog *dialog = GTK_FILE_CHOOSER_DIALOG (widget);
+  GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
+
+  ensure_default_response (dialog);
+
+  if (!GTK_WIDGET_MAPPED (priv->widget))
+    gtk_widget_map (priv->widget);
+
+  file_chooser_widget_default_size_changed (priv->widget, dialog);
+  _gtk_file_chooser_embed_initial_focus (GTK_FILE_CHOOSER_EMBED (priv->widget));
+
+  GTK_WIDGET_CLASS (gtk_file_chooser_dialog_parent_class)->map (widget);
+}
+
+/* GtkWidget::unmap handler */
+static void
+gtk_file_chooser_dialog_unmap (GtkWidget *widget)
+{
+  GtkFileChooserDialog *dialog = GTK_FILE_CHOOSER_DIALOG (widget);
+  GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
+
+  GTK_WIDGET_CLASS (gtk_file_chooser_dialog_parent_class)->unmap (widget);
+
+  /* See bug #145470.  We unmap the GtkFileChooserWidget so that if the dialog
+   * is remapped, the widget will be remapped as well.  Implementations should
+   * refresh their contents when this happens, as some applications keep a
+   * single file chooser alive and map/unmap it as needed, rather than creating
+   * a new file chooser every time they need one.
+   */
+  gtk_widget_unmap (priv->widget);
+}
+
+/* GtkDialog::response handler */
+static void
+response_cb (GtkDialog *dialog,
+            gint       response_id)
+{
+  GtkFileChooserDialogPrivate *priv;
+
+  priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
+
+  /* Act only on response IDs we recognize */
+  if (is_stock_accept_response_id (response_id)
+      && !priv->response_requested
+      && !_gtk_file_chooser_embed_should_respond (GTK_FILE_CHOOSER_EMBED (priv->widget)))
+    {
+      g_signal_stop_emission_by_name (dialog, "response");
+    }
+
+  priv->response_requested = FALSE;
+}
+
+static GtkWidget *
+gtk_file_chooser_dialog_new_valist (const gchar          *title,
+                                   GtkWindow            *parent,
+                                   GtkFileChooserAction  action,
+                                   const gchar          *backend,
+                                   const gchar          *first_button_text,
+                                   va_list               varargs)
+{
+  GtkWidget *result;
+  const char *button_text = first_button_text;
+  gint response_id;
+
+  result = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
+                        "title", title,
+                        "action", action,
+                        "file-system-backend", backend,
+                        NULL);
+
+  if (parent)
+    gtk_window_set_transient_for (GTK_WINDOW (result), parent);
+
+  while (button_text)
+    {
+      response_id = va_arg (varargs, gint);
+      gtk_dialog_add_button (GTK_DIALOG (result), button_text, response_id);
+      button_text = va_arg (varargs, const gchar *);
+    }
+
+  return result;
+}
+
 /**
  * gtk_file_chooser_dialog_new:
  * @title: Title of the dialog, or %NULL
@@ -206,10 +489,10 @@ gtk_file_chooser_dialog_get_property (GObject         *object,
  * @action: Open or save mode for the dialog
  * @first_button_text: stock ID or text to go in the first button, or %NULL
  * @Varargs: response ID for the first button, then additional (button, id) pairs, ending with %NULL
- * 
+ *
  * Creates a new #GtkFileChooserDialog.  This function is analogous to
  * gtk_dialog_new_with_buttons().
- * 
+ *
  * Return value: a new #GtkFileChooserDialog
  *
  * Since: 2.4
@@ -223,27 +506,53 @@ gtk_file_chooser_dialog_new (const gchar         *title,
 {
   GtkWidget *result;
   va_list varargs;
-  const char *button_text = first_button_text;
-  gint response_id;
   
-  result = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
-                        "title", title,
-                        "action", action,
-                        NULL);
-
-  if (parent)
-    gtk_window_set_transient_for (GTK_WINDOW (result), parent);
-
   va_start (varargs, first_button_text);
+  result = gtk_file_chooser_dialog_new_valist (title, parent, action,
+                                              NULL, first_button_text,
+                                              varargs);
+  va_end (varargs);
 
-  while (button_text)
-    {
-      response_id = va_arg (varargs, gint);
-      gtk_dialog_add_button (GTK_DIALOG (result), button_text, response_id);
-      button_text = va_arg (varargs, const gchar *);
-    }
+  return result;
+}
 
+/**
+ * gtk_file_chooser_dialog_new_with_backend:
+ * @title: Title of the dialog, or %NULL
+ * @parent: Transient parent of the dialog, or %NULL
+ * @action: Open or save mode for the dialog
+ * @backend: The name of the specific filesystem backend to use.
+ * @first_button_text: stock ID or text to go in the first button, or %NULL
+ * @Varargs: response ID for the first button, then additional (button, id) pairs, ending with %NULL
+ *
+ * Creates a new #GtkFileChooserDialog with a specified backend. This is
+ * especially useful if you use gtk_file_chooser_set_local_only() to allow
+ * non-local files and you use a more expressive vfs, such as gnome-vfs,
+ * to load files.
+ *
+ * Return value: a new #GtkFileChooserDialog
+ *
+ * Since: 2.4
+ **/
+GtkWidget *
+gtk_file_chooser_dialog_new_with_backend (const gchar          *title,
+                                         GtkWindow            *parent,
+                                         GtkFileChooserAction  action,
+                                         const gchar          *backend,
+                                         const gchar          *first_button_text,
+                                         ...)
+{
+  GtkWidget *result;
+  va_list varargs;
+  
+  va_start (varargs, first_button_text);
+  result = gtk_file_chooser_dialog_new_valist (title, parent, action,
+                                              backend, first_button_text,
+                                              varargs);
   va_end (varargs);
 
   return result;
 }
+
+#define __GTK_FILE_CHOOSER_DIALOG_C__
+#include "gtkaliasdef.c"