X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fui%2Fgui%2Fpsppire-window.c;h=4eb274b5284805b3cfc8742499d11c1409cd7a26;hb=7a48928f76e0f4599be8f65b1b3bafd03d73a628;hp=f2bd2d120ffe469b8f6a17c91e1f7af9bac40f21;hpb=fea925912b94d356a579598031abe54a191903fc;p=pspp

diff --git a/src/ui/gui/psppire-window.c b/src/ui/gui/psppire-window.c
index f2bd2d120f..4eb274b528 100644
--- a/src/ui/gui/psppire-window.c
+++ b/src/ui/gui/psppire-window.c
@@ -28,6 +28,7 @@
 #define N_(msgid) msgid
 
 #include "data/any-reader.h"
+#include "data/file-name.h"
 #include "data/dataset.h"
 
 #include "helper.h"
@@ -706,6 +707,28 @@ psppire_window_load (PsppireWindow *w, const gchar *file)
   return ok;
 }
 
+
+static void
+on_selection_changed (GtkFileChooser *chooser, GtkWidget *encoding_selector)
+{
+  const gchar *sysname;
+
+  const gchar *name = gtk_file_chooser_get_filename (chooser);
+
+  if ( NULL == name )
+    return;
+
+  sysname = convert_glib_filename_to_system_filename (name, NULL);
+
+  if ( ! fn_exists (sysname))
+    {
+      gtk_widget_set_sensitive (encoding_selector, FALSE);
+      return;
+    }
+
+  gtk_widget_set_sensitive (encoding_selector, ! any_reader_may_open (sysname));
+}
+
 GtkWidget *
 psppire_window_file_chooser_dialog (PsppireWindow *toplevel)
 {
@@ -721,24 +744,20 @@ psppire_window_file_chooser_dialog (PsppireWindow *toplevel)
   g_object_set (dialog, "local-only", FALSE, NULL);
 
   gtk_file_filter_set_name (filter, _("Data and Syntax Files"));
-  gtk_file_filter_add_pattern (filter, "*.sav");
-  gtk_file_filter_add_pattern (filter, "*.SAV");
-  gtk_file_filter_add_pattern (filter, "*.por");
-  gtk_file_filter_add_pattern (filter, "*.POR");
+  gtk_file_filter_add_mime_type (filter, "application/x-spss-sav");
+  gtk_file_filter_add_mime_type (filter, "application/x-spss-por");
   gtk_file_filter_add_pattern (filter, "*.sps");
   gtk_file_filter_add_pattern (filter, "*.SPS");
   gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
 
   filter = gtk_file_filter_new ();
   gtk_file_filter_set_name (filter, _("System Files (*.sav)"));
-  gtk_file_filter_add_pattern (filter, "*.sav");
-  gtk_file_filter_add_pattern (filter, "*.SAV");
+  gtk_file_filter_add_mime_type (filter, "application/x-spss-sav");
   gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
 
   filter = gtk_file_filter_new ();
   gtk_file_filter_set_name (filter, _("Portable Files (*.por) "));
-  gtk_file_filter_add_pattern (filter, "*.por");
-  gtk_file_filter_add_pattern (filter, "*.POR");
+  gtk_file_filter_add_mime_type (filter, "application/x-spss-por");
   gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
 
   filter = gtk_file_filter_new ();
@@ -773,8 +792,17 @@ psppire_window_file_chooser_dialog (PsppireWindow *toplevel)
       free (dir_name);
     }
 
-  gtk_file_chooser_set_extra_widget (
-    GTK_FILE_CHOOSER (dialog), psppire_encoding_selector_new ("Auto", true));
+
+  {
+    GtkWidget *encoding_selector =  psppire_encoding_selector_new ("Auto", true);
+
+    gtk_widget_set_sensitive (encoding_selector, FALSE);
+
+    g_signal_connect (dialog, "selection-changed", G_CALLBACK (on_selection_changed),
+		      encoding_selector);
+
+    gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER (dialog), encoding_selector);
+  }
 
   return dialog;
 }