In export format dialog, show preview of generated part of description. Fix to #0004941

[ardour.git] / gtk2_ardour / export_format_dialog.cc

diff --git a/gtk2_ardour/export_format_dialog.cc b/gtk2_ardour/export_format_dialog.cc
index e0f6d51216e13805f6ba5c61455f429ac6e71c1d..d93eb23a2a20efdef2787c31c47c360b1f642c71 100644 (file)
--- a/gtk2_ardour/export_format_dialog.cc
+++ b/gtk2_ardour/export_format_dialog.cc
@@ -36,6 +36,7 @@ ExportFormatDialog::ExportFormatDialog (FormatPtr format, bool new_dialog) :
   applying_changes_from_engine (0),
 
   name_label (_("Label: "), Gtk::ALIGN_LEFT),
+  name_generated_part ("", Gtk::ALIGN_LEFT),
 
   normalize_checkbox (_("Normalize to:")),
   normalize_adjustment (0.00, -90.00, 0.00, 0.1, 0.2),
@@ -72,16 +73,22 @@ ExportFormatDialog::ExportFormatDialog (FormatPtr format, bool new_dialog) :
 
        /* Pack containers in dialog */
 
-       get_vbox()->pack_start (name_hbox, false, false, 0);
        get_vbox()->pack_start (silence_table, false, false, 6);
        get_vbox()->pack_start (format_table, false, false, 6);
        get_vbox()->pack_start (encoding_options_vbox, false, false, 0);
        get_vbox()->pack_start (cue_toc_vbox, false, false, 0);
+       get_vbox()->pack_start (name_hbox, false, false, 6);
 
        /* Name, new and remove */
 
        name_hbox.pack_start (name_label, false, false, 0);
-       name_hbox.pack_start (name_entry, true, true, 0);
+       name_hbox.pack_start (name_entry, false, false, 0);
+       name_hbox.pack_start (name_generated_part, true, true, 0);
+       name_entry.set_width_chars(20);
+       update_description();
+       manager.DescriptionChanged.connect(
+               *this, invalidator (*this),
+               boost::bind (&ExportFormatDialog::update_description, this), gui_context());
 
        /* Normalize */
 
@@ -710,6 +717,16 @@ ExportFormatDialog::update_with_toc ()
        manager.select_with_toc (with_toc.get_active());
 }
 
+void
+ExportFormatDialog::update_description()
+{
+       std::string text;
+       if (format->is_complete()) {
+               text = ": " + format->description(false);
+       }
+       name_generated_part.set_text(text);
+}
+
 void
 ExportFormatDialog::update_name ()
 {