/[svn]/gigedit/trunk/src/gigedit/mainwindow.cpp

Diff of /gigedit/trunk/src/gigedit/mainwindow.cpp

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-revision 1225 by schoenebeck,
Sun Jun 10 10:56:11 2007 UTC
+revision 2773 by schoenebeck,
Fri Jun 12 17:57:52 2015 UTC
 Line 1
  /*
-  * Copyright (C) 2006, 2007 Andreas Persson
+  * Copyright (C) 2006-2015 Andreas Persson
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License as
 Line 17
   * 02110-1301 USA.
   */
- #include <libintl.h>
  #include <iostream>
+ #include <cstring>
+ #include <glibmm/convert.h>
+ #include <glibmm/dispatcher.h>
+ #include <glibmm/miscutils.h>
+ #include <glibmm/stringutils.h>
+ #include <gtkmm/aboutdialog.h>
  #include <gtkmm/filechooserdialog.h>
  #include <gtkmm/messagedialog.h>
  #include <gtkmm/stock.h>
  #include <gtkmm/targetentry.h>
  #include <gtkmm/main.h>
+ #include <gtkmm/toggleaction.h>
- #if GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION >= 6
+ #if GTKMM_MAJOR_VERSION < 3
- #define ABOUT_DIALOG
+ #include "wrapLabel.hh"
- #include <gtkmm/aboutdialog.h>
  #endif
+ #include "global.h"
+ #include "compat.h"
  #include <stdio.h>
  #include <sndfile.h>
+ #include <assert.h>
  #include "mainwindow.h"
+ #include "Settings.h"
+ #include "CombineInstrumentsDialog.h"
+ #include "scripteditor.h"
+ #include "scriptslots.h"
+ #include "ReferencesView.h"
+ #include "../../gfx/status_attached.xpm"
+ #include "../../gfx/status_detached.xpm"
- #define _(String) gettext(String)
- template<class T> inline std::string ToString(T o) {
+ MainWindow::MainWindow() :
-     std::stringstream ss;
+     m_DimRegionChooser(*this),
-     ss << o;
+     dimreg_label(_("Changes apply to:")),
-     return ss.str();
+     dimreg_all_regions(_("all regions")),
- }
+     dimreg_all_dimregs(_("all dimension splits")),
+     dimreg_stereo(_("both channels"))
- MainWindow::MainWindow()
  {
  //    set_border_width(5);
  //    set_default_size(400, 200);
-Line 53 
 MainWindow::MainWindow()
+Line 66 
 MainWindow::MainWindow()
      add(m_VBox);
      // Handle selection
-     Glib::RefPtr<Gtk::TreeSelection> tree_sel_ref = m_TreeView.get_selection();
+     m_TreeView.get_selection()->signal_changed().connect(
-     tree_sel_ref->signal_changed().connect(
          sigc::mem_fun(*this, &MainWindow::on_sel_change));
      // m_TreeView.set_reorderable();
-Line 70 
 MainWindow::MainWindow()
+Line 82 
 MainWindow::MainWindow()
      m_ScrolledWindowSamples.add(m_TreeViewSamples);
      m_ScrolledWindowSamples.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
+     m_ScrolledWindowScripts.add(m_TreeViewScripts);
+     m_ScrolledWindowScripts.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
      m_TreeViewNotebook.set_size_request(300);
      m_HPaned.add1(m_TreeViewNotebook);
-     m_HPaned.add2(dimreg_edit);
+     dimreg_hbox.add(dimreg_label);
+     dimreg_hbox.add(dimreg_all_regions);
+     dimreg_hbox.add(dimreg_all_dimregs);
-     m_TreeViewNotebook.append_page(m_ScrolledWindowSamples, "Samples");
+     dimreg_stereo.set_active();
-     m_TreeViewNotebook.append_page(m_ScrolledWindow, "Instruments");
+     dimreg_hbox.add(dimreg_stereo);
+     dimreg_vbox.add(dimreg_edit);
+     dimreg_vbox.pack_start(dimreg_hbox, Gtk::PACK_SHRINK);
+     m_HPaned.add2(dimreg_vbox);
+     dimreg_label.set_tooltip_text(_("To automatically apply your changes above globally to the entire instrument, check all 3 check boxes on the right."));
+     dimreg_all_regions.set_tooltip_text(_("If checked: all changes you perform above will automatically be applied to all regions of this instrument as well."));
+     dimreg_all_dimregs.set_tooltip_text(_("If checked: all changes you perform above will automatically be applied as well to all dimension splits of the region selected below."));
+     dimreg_stereo.set_tooltip_text(_("If checked: all changes you perform above will automatically be applied to both audio channel splits (only if a \"stereo\" dimension is defined below)."));
+     m_TreeViewNotebook.append_page(m_ScrolledWindowSamples, _("Samples"));
+     m_TreeViewNotebook.append_page(m_ScrolledWindow, _("Instruments"));
+     m_TreeViewNotebook.append_page(m_ScrolledWindowScripts, _("Scripts"));
      actionGroup = Gtk::ActionGroup::create();
-Line 99 
 MainWindow::MainWindow()
+Line 125 
 MainWindow::MainWindow()
      action = Gtk::Action::create("SaveAs", Gtk::Stock::SAVE_AS);
      action->property_label() = action->property_label() + "...";
      actionGroup->add(action,
-                      *(new Gtk::AccelKey("<shift><control>s")),
+                      Gtk::AccelKey("<shift><control>s"),
                       sigc::mem_fun(
-                          *this, &MainWindow::on_action_file_save_as)
+                          *this, &MainWindow::on_action_file_save_as));
-         );
      actionGroup->add(Gtk::Action::create("Properties",
                                           Gtk::Stock::PROPERTIES),
                       sigc::mem_fun(
-Line 111 
 MainWindow::MainWindow()
+Line 136 
 MainWindow::MainWindow()
                                           Gtk::Stock::PROPERTIES),
                       sigc::mem_fun(
                           *this, &MainWindow::show_instr_props));
+     actionGroup->add(Gtk::Action::create("MidiRules",
+                                          _("_Midi Rules...")),
+                      sigc::mem_fun(
+                          *this, &MainWindow::show_midi_rules));
+     actionGroup->add(Gtk::Action::create("ScriptSlots",
+                                          _("_Script Slots...")),
+                      sigc::mem_fun(
+                          *this, &MainWindow::show_script_slots));
      actionGroup->add(Gtk::Action::create("Quit", Gtk::Stock::QUIT),
                       sigc::mem_fun(
-                          *this, &MainWindow::hide));
+                          *this, &MainWindow::on_action_quit));
-     actionGroup->add(Gtk::Action::create("MenuInstrument", _("_Instrument")));
+     actionGroup->add(
+         Gtk::Action::create("MenuSample", _("_Sample")),
+         sigc::mem_fun(*this, &MainWindow::show_samples_tab)
+     );
+     actionGroup->add(
+         Gtk::Action::create("MenuInstrument", _("_Instrument")),
+         sigc::mem_fun(*this, &MainWindow::show_intruments_tab)
+     );
+     actionGroup->add(
+         Gtk::Action::create("MenuScript", _("S_cript")),
+         sigc::mem_fun(*this, &MainWindow::show_scripts_tab)
+     );
+     actionGroup->add(Gtk::Action::create("AllInstruments", _("_Select")));
+     actionGroup->add(Gtk::Action::create("MenuEdit", _("_Edit")));
+     Glib::RefPtr<Gtk::ToggleAction> toggle_action =
+         Gtk::ToggleAction::create("CopySampleUnity", _("Copy Sample's _Unity Note"));
+     toggle_action->set_active(true);
+     actionGroup->add(toggle_action);
+     toggle_action =
+         Gtk::ToggleAction::create("CopySampleTune", _("Copy Sample's _Fine Tune"));
+     toggle_action->set_active(true);
+     actionGroup->add(toggle_action);
+     toggle_action =
+         Gtk::ToggleAction::create("CopySampleLoop", _("Copy Sample's _Loop Points"));
+     toggle_action->set_active(true);
+     actionGroup->add(toggle_action);
+     actionGroup->add(Gtk::Action::create("MenuView", _("_View")));
+     toggle_action =
+         Gtk::ToggleAction::create("Statusbar", _("_Statusbar"));
+     toggle_action->set_active(true);
+     actionGroup->add(toggle_action,
+                      sigc::mem_fun(
+                          *this, &MainWindow::on_action_view_status_bar));
+     actionGroup->add(
+         Gtk::Action::create("RefreshAll", _("_Refresh All")),
+         sigc::mem_fun(*this, &MainWindow::on_action_refresh_all)
+     );
      action = Gtk::Action::create("MenuHelp", Gtk::Stock::HELP);
      actionGroup->add(Gtk::Action::create("MenuHelp",
                                           action->property_label()));
- #ifdef ABOUT_DIALOG
      actionGroup->add(Gtk::Action::create("About", Gtk::Stock::ABOUT),
                       sigc::mem_fun(
                           *this, &MainWindow::on_action_help_about));
- #endif
      actionGroup->add(
          Gtk::Action::create("AddInstrument", _("Add _Instrument")),
          sigc::mem_fun(*this, &MainWindow::on_action_add_instrument)
      );
      actionGroup->add(
+         Gtk::Action::create("DupInstrument", _("_Duplicate Instrument")),
+         sigc::mem_fun(*this, &MainWindow::on_action_duplicate_instrument)
+     );
+     actionGroup->add(
          Gtk::Action::create("RemoveInstrument", Gtk::Stock::REMOVE),
          sigc::mem_fun(*this, &MainWindow::on_action_remove_instrument)
      );
+     actionGroup->add(Gtk::Action::create("MenuSettings", _("_Settings")));
+     toggle_action =
+         Gtk::ToggleAction::create("WarnUserOnExtensions", _("Show warning on format _extensions"));
+     toggle_action->set_active(Settings::singleton()->warnUserOnExtensions);
+     actionGroup->add(
+         toggle_action,
+         sigc::mem_fun(*this, &MainWindow::on_action_warn_user_on_extensions)
+     );
+     toggle_action =
+         Gtk::ToggleAction::create("SyncSamplerInstrumentSelection", _("Synchronize sampler's instrument selection"));
+     toggle_action->set_active(Settings::singleton()->syncSamplerInstrumentSelection);
+     actionGroup->add(
+         toggle_action,
+         sigc::mem_fun(*this, &MainWindow::on_action_sync_sampler_instrument_selection)
+     );
+     toggle_action =
+         Gtk::ToggleAction::create("MoveRootNoteWithRegionMoved", _("Move root note with region moved"));
+     toggle_action->set_active(Settings::singleton()->moveRootNoteWithRegionMoved);
+     actionGroup->add(
+         toggle_action,
+         sigc::mem_fun(*this, &MainWindow::on_action_move_root_note_with_region_moved)
+     );
+     actionGroup->add(Gtk::Action::create("MenuTools", _("_Tools")));
+     actionGroup->add(
+         Gtk::Action::create("CombineInstruments", _("_Combine Instruments...")),
+         sigc::mem_fun(*this, &MainWindow::on_action_combine_instruments)
+     );
+     actionGroup->add(
+         Gtk::Action::create("MergeFiles", _("_Merge Files...")),
+         sigc::mem_fun(*this, &MainWindow::on_action_merge_files)
+     );
      // sample right-click popup actions
      actionGroup->add(
          Gtk::Action::create("SampleProperties", Gtk::Stock::PROPERTIES),
-Line 143 
 MainWindow::MainWindow()
+Line 261 
 MainWindow::MainWindow()
          sigc::mem_fun(*this, &MainWindow::on_action_add_group)
      );
      actionGroup->add(
-         Gtk::Action::create("AddSample", _("Add _Sample(s)")),
+         Gtk::Action::create("AddSample", _("Add _Sample(s)...")),
          sigc::mem_fun(*this, &MainWindow::on_action_add_sample)
      );
      actionGroup->add(
          Gtk::Action::create("RemoveSample", Gtk::Stock::REMOVE),
          sigc::mem_fun(*this, &MainWindow::on_action_remove_sample)
      );
+     actionGroup->add(
+         Gtk::Action::create("RemoveUnusedSamples", _("Remove _Unused Samples")),
+         sigc::mem_fun(*this, &MainWindow::on_action_remove_unused_samples)
+     );
+     actionGroup->add(
+         Gtk::Action::create("ShowSampleRefs", _("Show References...")),
+         sigc::mem_fun(*this, &MainWindow::on_action_view_references)
+     );
+     actionGroup->add(
+         Gtk::Action::create("ReplaceSample",
+                             _("Replace Sample...")),
+         sigc::mem_fun(*this, &MainWindow::on_action_replace_sample)
+     );
+     actionGroup->add(
+         Gtk::Action::create("ReplaceAllSamplesInAllGroups",
+                             _("Replace All Samples in All Groups...")),
+         sigc::mem_fun(*this, &MainWindow::on_action_replace_all_samples_in_all_groups)
+     );
+     // script right-click popup actions
+     actionGroup->add(
+         Gtk::Action::create("AddScriptGroup", _("Add _Group")),
+         sigc::mem_fun(*this, &MainWindow::on_action_add_script_group)
+     );
+     actionGroup->add(
+         Gtk::Action::create("AddScript", _("Add _Script")),
+         sigc::mem_fun(*this, &MainWindow::on_action_add_script)
+     );
+     actionGroup->add(
+         Gtk::Action::create("EditScript", _("_Edit Script...")),
+         sigc::mem_fun(*this, &MainWindow::on_action_edit_script)
+     );
+     actionGroup->add(
+         Gtk::Action::create("RemoveScript", Gtk::Stock::REMOVE),
+         sigc::mem_fun(*this, &MainWindow::on_action_remove_script)
+     );
      uiManager = Gtk::UIManager::create();
      uiManager->insert_action_group(actionGroup);
-     // add_accel_group(uiManager->get_accel_group());
+     add_accel_group(uiManager->get_accel_group());
      Glib::ustring ui_info =
          "<ui>"
-Line 169 
 MainWindow::MainWindow()
+Line 323 
 MainWindow::MainWindow()
          "      <separator/>"
          "      <menuitem action='Quit'/>"
          "    </menu>"
+         "    <menu action='MenuEdit'>"
+         "      <menuitem action='CopySampleUnity'/>"
+         "      <menuitem action='CopySampleTune'/>"
+         "      <menuitem action='CopySampleLoop'/>"
+         "    </menu>"
+         "    <menu action='MenuSample'>"
+         "      <menuitem action='SampleProperties'/>"
+         "      <menuitem action='AddGroup'/>"
+         "      <menuitem action='AddSample'/>"
+         "      <menuitem action='ShowSampleRefs'/>"
+         "      <menuitem action='ReplaceSample' />"
+         "      <menuitem action='ReplaceAllSamplesInAllGroups' />"
+         "      <separator/>"
+         "      <menuitem action='RemoveSample'/>"
+         "      <menuitem action='RemoveUnusedSamples'/>"
+         "    </menu>"
          "    <menu action='MenuInstrument'>"
+         "      <menu action='AllInstruments'>"
+         "      </menu>"
+         "      <separator/>"
+         "      <menuitem action='InstrProperties'/>"
+         "      <menuitem action='MidiRules'/>"
+         "      <menuitem action='ScriptSlots'/>"
+         "      <menuitem action='AddInstrument'/>"
+         "      <menuitem action='DupInstrument'/>"
+         "      <separator/>"
+         "      <menuitem action='RemoveInstrument'/>"
+         "    </menu>"
+         "    <menu action='MenuScript'>"
+         "      <menuitem action='AddScriptGroup'/>"
+         "      <menuitem action='AddScript'/>"
+         "      <menuitem action='EditScript'/>"
+         "      <separator/>"
+         "      <menuitem action='RemoveScript'/>"
+         "    </menu>"
+         "    <menu action='MenuView'>"
+         "      <menuitem action='Statusbar'/>"
+         "      <separator/>"
+         "      <menuitem action='RefreshAll'/>"
+         "    </menu>"
+         "    <menu action='MenuTools'>"
+         "      <menuitem action='CombineInstruments'/>"
+         "      <menuitem action='MergeFiles'/>"
+         "    </menu>"
+         "    <menu action='MenuSettings'>"
+         "      <menuitem action='WarnUserOnExtensions'/>"
+         "      <menuitem action='SyncSamplerInstrumentSelection'/>"
+         "      <menuitem action='MoveRootNoteWithRegionMoved'/>"
          "    </menu>"
- #ifdef ABOUT_DIALOG
          "    <menu action='MenuHelp'>"
          "      <menuitem action='About'/>"
          "    </menu>"
- #endif
          "  </menubar>"
          "  <popup name='PopupMenu'>"
          "    <menuitem action='InstrProperties'/>"
+         "    <menuitem action='MidiRules'/>"
+         "    <menuitem action='ScriptSlots'/>"
          "    <menuitem action='AddInstrument'/>"
+         "    <menuitem action='DupInstrument'/>"
          "    <separator/>"
          "    <menuitem action='RemoveInstrument'/>"
          "  </popup>"
-Line 187 
 MainWindow::MainWindow()
+Line 389 
 MainWindow::MainWindow()
          "    <menuitem action='SampleProperties'/>"
          "    <menuitem action='AddGroup'/>"
          "    <menuitem action='AddSample'/>"
+         "    <menuitem action='ShowSampleRefs'/>"
+         "    <menuitem action='ReplaceSample' />"
+         "    <menuitem action='ReplaceAllSamplesInAllGroups' />"
          "    <separator/>"
          "    <menuitem action='RemoveSample'/>"
+         "    <menuitem action='RemoveUnusedSamples'/>"
+         "  </popup>"
+         "  <popup name='ScriptPopupMenu'>"
+         "    <menuitem action='AddScriptGroup'/>"
+         "    <menuitem action='AddScript'/>"
+         "    <menuitem action='EditScript'/>"
+         "    <separator/>"
+         "    <menuitem action='RemoveScript'/>"
          "  </popup>"
          "</ui>";
      uiManager->add_ui_from_string(ui_info);
      popup_menu = dynamic_cast<Gtk::Menu*>(uiManager->get_widget("/PopupMenu"));
+     // Set tooltips for menu items (for some reason, setting a tooltip on the
+     // respective Gtk::Action objects above will simply be ignored, no matter
+     // if using Gtk::Action::set_tooltip() or passing the tooltip string on
+     // Gtk::Action::create()).
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuEdit/CopySampleUnity"));
+         item->set_tooltip_text(_("Used when dragging a sample to a region's sample reference field. You may disable this for example if you want to replace an existing sample in a region with a new sample, but don't want that the region's current unity note setting will be altered by this action."));
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuEdit/CopySampleTune"));
+         item->set_tooltip_text(_("Used when dragging a sample to a region's sample reference field. You may disable this for example if you want to replace an existing sample in a region with a new sample, but don't want that the region's current sample playback tuning will be altered by this action."));
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuEdit/CopySampleLoop"));
+         item->set_tooltip_text(_("Used when dragging a sample to a region's sample reference field. You may disable this for example if you want to replace an existing sample in a region with a new sample, but don't want that the region's current loop informations to be altered by this action."));
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuSettings/WarnUserOnExtensions"));
+         item->set_tooltip_text(_("If checked, a warning will be shown whenever you try to use a feature which is based on a LinuxSampler extension ontop of the original gig format, which would not work with the Gigasampler/GigaStudio application."));
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuSettings/SyncSamplerInstrumentSelection"));
+         item->set_tooltip_text(_("If checked, the sampler's current instrument will automatically be switched whenever another instrument was selected in gigedit (only available in live-mode)."));
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuSettings/MoveRootNoteWithRegionMoved"));
+         item->set_tooltip_text(_("If checked, and when a region is moved by dragging it around on the virtual keyboard, the keybord position dependent pitch will move exactly with the amount of semi tones the region was moved around."));
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuSample/RemoveUnusedSamples"));
+         item->set_tooltip_text(_("Removes all samples that are not referenced by any instrument (i.e. red ones)."));
+         // copy tooltip to popup menu
+         Gtk::MenuItem* item2 = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/SamplePopupMenu/RemoveUnusedSamples"));
+         item2->set_tooltip_text(item->get_tooltip_text());
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuView/RefreshAll"));
+         item->set_tooltip_text(_("Reloads the currently open gig file and updates the entire graphical user interface."));
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuTools/CombineInstruments"));
+         item->set_tooltip_text(_("Create combi sounds out of individual sounds of this .gig file."));
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuTools/MergeFiles"));
+         item->set_tooltip_text(_("Add instruments and samples of other .gig files to this .gig file."));
+     }
+     instrument_menu = static_cast<Gtk::MenuItem*>(
+         uiManager->get_widget("/MenuBar/MenuInstrument/AllInstruments"))->get_submenu();
      Gtk::Widget* menuBar = uiManager->get_widget("/MenuBar");
      m_VBox.pack_start(*menuBar, Gtk::PACK_SHRINK);
      m_VBox.pack_start(m_HPaned);
      m_VBox.pack_start(m_RegionChooser, Gtk::PACK_SHRINK);
+     m_VBox.pack_start(m_RegionChooser.m_VirtKeybPropsBox, Gtk::PACK_SHRINK);
      m_VBox.pack_start(m_DimRegionChooser, Gtk::PACK_SHRINK);
+     m_VBox.pack_start(m_StatusBar, Gtk::PACK_SHRINK);
+     set_file_is_shared(false);
-     m_RegionChooser.signal_sel_changed().connect(
+     // Status Bar:
+     m_StatusBar.pack_start(m_AttachedStateLabel, Gtk::PACK_SHRINK);
+     m_StatusBar.pack_start(m_AttachedStateImage, Gtk::PACK_SHRINK);
+     m_StatusBar.show();
+     m_RegionChooser.signal_region_selected().connect(
          sigc::mem_fun(*this, &MainWindow::region_changed) );
-     m_DimRegionChooser.signal_sel_changed().connect(
+     m_DimRegionChooser.signal_dimregion_selected().connect(
          sigc::mem_fun(*this, &MainWindow::dimreg_changed) );
      // Create the Tree model:
      m_refTreeModel = Gtk::ListStore::create(m_Columns);
      m_TreeView.set_model(m_refTreeModel);
-     m_refTreeModel->signal_row_changed().connect(
+     m_TreeView.set_tooltip_text(_("Right click here for actions on instruments & MIDI Rules. Drag & drop to change the order of instruments."));
+     instrument_name_connection = m_refTreeModel->signal_row_changed().connect(
          sigc::mem_fun(*this, &MainWindow::instrument_name_changed)
      );
      // Add the TreeView's view columns:
      m_TreeView.append_column_editable("Instrument", m_Columns.m_col_name);
      m_TreeView.set_headers_visible(false);
+     // establish drag&drop within the instrument tree view, allowing to reorder
+     // the sequence of instruments within the gig file
+     {
+         std::vector<Gtk::TargetEntry> drag_target_instrument;
+         drag_target_instrument.push_back(Gtk::TargetEntry("gig::Instrument"));
+         m_TreeView.drag_source_set(drag_target_instrument);
+         m_TreeView.drag_dest_set(drag_target_instrument);
+         m_TreeView.signal_drag_begin().connect(
+             sigc::mem_fun(*this, &MainWindow::on_instruments_treeview_drag_begin)
+         );
+         m_TreeView.signal_drag_data_get().connect(
+             sigc::mem_fun(*this, &MainWindow::on_instruments_treeview_drag_data_get)
+         );
+         m_TreeView.signal_drag_data_received().connect(
+             sigc::mem_fun(*this, &MainWindow::on_instruments_treeview_drop_drag_data_received)
+         );
+     }
      // create samples treeview (including its data model)
      m_refSamplesTreeModel = SamplesTreeStore::create(m_SamplesModel);
      m_TreeViewSamples.set_model(m_refSamplesTreeModel);
+     m_TreeViewSamples.set_tooltip_text(_("To actually use a sample, drag it from this list view to \"Sample\" -> \"Sample:\" on the region's settings pane on the right.\n\nRight click here for more actions on samples."));
      // m_TreeViewSamples.set_reorderable();
-     m_TreeViewSamples.append_column_editable("Samples", m_SamplesModel.m_col_name);
+     m_TreeViewSamples.append_column_editable(_("Name"), m_SamplesModel.m_col_name);
-     m_TreeViewSamples.set_headers_visible(false);
+     m_TreeViewSamples.append_column(_("Referenced"), m_SamplesModel.m_col_refcount);
+     {
+         Gtk::TreeViewColumn* column = m_TreeViewSamples.get_column(0);
+         Gtk::CellRendererText* cellrenderer =
+             dynamic_cast<Gtk::CellRendererText*>(column->get_first_cell());
+         column->add_attribute(
+             cellrenderer->property_foreground(), m_SamplesModel.m_color
+         );
+     }
+     {
+         Gtk::TreeViewColumn* column = m_TreeViewSamples.get_column(1);
+         Gtk::CellRendererText* cellrenderer =
+             dynamic_cast<Gtk::CellRendererText*>(column->get_first_cell());
+         column->add_attribute(
+             cellrenderer->property_foreground(), m_SamplesModel.m_color
+         );
+     }
+     m_TreeViewSamples.set_headers_visible(true);
      m_TreeViewSamples.signal_button_press_event().connect_notify(
          sigc::mem_fun(*this, &MainWindow::on_sample_treeview_button_release)
      );
-Line 231 
 MainWindow::MainWindow()
+Line 553 
 MainWindow::MainWindow()
          sigc::mem_fun(*this, &MainWindow::sample_name_changed)
      );
+     // create scripts treeview (including its data model)
+     m_refScriptsTreeModel = ScriptsTreeStore::create(m_ScriptsModel);
+     m_TreeViewScripts.set_model(m_refScriptsTreeModel);
+     m_TreeViewScripts.set_tooltip_text(_(
+         "Use CTRL + double click for editing a script."
+         "\n\n"
+         "Note: instrument scripts are a LinuxSampler extension of the gig "
+         "format. This feature will not work with the GigaStudio software!"
+     ));
+     // m_TreeViewScripts.set_reorderable();
+     m_TreeViewScripts.append_column_editable("Samples", m_ScriptsModel.m_col_name);
+     m_TreeViewScripts.set_headers_visible(false);
+     m_TreeViewScripts.signal_button_press_event().connect_notify(
+         sigc::mem_fun(*this, &MainWindow::on_script_treeview_button_release)
+     );
+     //FIXME: why the heck does this double click signal_row_activated() only fire while CTRL key is pressed ?
+     m_TreeViewScripts.signal_row_activated().connect(
+         sigc::mem_fun(*this, &MainWindow::script_double_clicked)
+     );
+     m_refScriptsTreeModel->signal_row_changed().connect(
+         sigc::mem_fun(*this, &MainWindow::script_name_changed)
+     );
+     // establish drag&drop between scripts tree view and ScriptSlots window
+     std::vector<Gtk::TargetEntry> drag_target_gig_script;
+     drag_target_gig_script.push_back(Gtk::TargetEntry("gig::Script"));
+     m_TreeViewScripts.drag_source_set(drag_target_gig_script);
+     m_TreeViewScripts.signal_drag_begin().connect(
+         sigc::mem_fun(*this, &MainWindow::on_scripts_treeview_drag_begin)
+     );
+     m_TreeViewScripts.signal_drag_data_get().connect(
+         sigc::mem_fun(*this, &MainWindow::on_scripts_treeview_drag_data_get)
+     );
      // establish drag&drop between samples tree view and dimension region 'Sample' text entry
-     std::list<Gtk::TargetEntry> drag_target_gig_sample;
+     std::vector<Gtk::TargetEntry> drag_target_gig_sample;
-     drag_target_gig_sample.push_back( Gtk::TargetEntry("gig::Sample") );
+     drag_target_gig_sample.push_back(Gtk::TargetEntry("gig::Sample"));
      m_TreeViewSamples.drag_source_set(drag_target_gig_sample);
+     m_TreeViewSamples.signal_drag_begin().connect(
+         sigc::mem_fun(*this, &MainWindow::on_sample_treeview_drag_begin)
+     );
      m_TreeViewSamples.signal_drag_data_get().connect(
          sigc::mem_fun(*this, &MainWindow::on_sample_treeview_drag_data_get)
      );
-Line 242 
 MainWindow::MainWindow()
+Line 601 
 MainWindow::MainWindow()
      dimreg_edit.wSample->signal_drag_data_received().connect(
          sigc::mem_fun(*this, &MainWindow::on_sample_label_drop_drag_data_received)
      );
+     dimreg_edit.signal_dimreg_changed().connect(
+         sigc::hide(sigc::mem_fun(*this, &MainWindow::file_changed)));
+     m_RegionChooser.signal_instrument_changed().connect(
+         sigc::mem_fun(*this, &MainWindow::file_changed));
+     m_RegionChooser.signal_instrument_changed().connect(
+         sigc::mem_fun(*this, &MainWindow::region_changed));
+     m_DimRegionChooser.signal_region_changed().connect(
+         sigc::mem_fun(*this, &MainWindow::file_changed));
+     instrumentProps.signal_changed().connect(
+         sigc::mem_fun(*this, &MainWindow::file_changed));
+     propDialog.signal_changed().connect(
+         sigc::mem_fun(*this, &MainWindow::file_changed));
+     midiRules.signal_changed().connect(
+         sigc::mem_fun(*this, &MainWindow::file_changed));
+     dimreg_edit.signal_dimreg_to_be_changed().connect(
+         dimreg_to_be_changed_signal.make_slot());
+     dimreg_edit.signal_dimreg_changed().connect(
+         dimreg_changed_signal.make_slot());
+     dimreg_edit.signal_sample_ref_changed().connect(
+         sample_ref_changed_signal.make_slot());
+     sample_ref_changed_signal.connect(
+         sigc::mem_fun(*this, &MainWindow::on_sample_ref_changed)
+     );
+     samples_to_be_removed_signal.connect(
+         sigc::mem_fun(*this, &MainWindow::on_samples_to_be_removed)
+     );
+     dimreg_edit.signal_select_sample().connect(
+         sigc::mem_fun(*this, &MainWindow::select_sample)
+     );
+     m_RegionChooser.signal_instrument_struct_to_be_changed().connect(
+         sigc::hide(
+             sigc::bind(
+                 file_structure_to_be_changed_signal.make_slot(),
+                 sigc::ref(this->file)
+             )
+         )
+     );
+     m_RegionChooser.signal_instrument_struct_changed().connect(
+         sigc::hide(
+             sigc::bind(
+                 file_structure_changed_signal.make_slot(),
+                 sigc::ref(this->file)
+             )
+         )
+     );
+     m_RegionChooser.signal_region_to_be_changed().connect(
+         region_to_be_changed_signal.make_slot());
+     m_RegionChooser.signal_region_changed_signal().connect(
+         region_changed_signal.make_slot());
+     note_on_signal.connect(
+         sigc::mem_fun(m_RegionChooser, &RegionChooser::on_note_on_event));
+     note_off_signal.connect(
+         sigc::mem_fun(m_RegionChooser, &RegionChooser::on_note_off_event));
+     dimreg_all_regions.signal_toggled().connect(
+         sigc::mem_fun(*this, &MainWindow::update_dimregs));
+     dimreg_all_dimregs.signal_toggled().connect(
+         sigc::mem_fun(*this, &MainWindow::dimreg_all_dimregs_toggled));
+     dimreg_stereo.signal_toggled().connect(
+         sigc::mem_fun(*this, &MainWindow::update_dimregs));
      file = 0;
+     file_is_changed = false;
      show_all_children();
+     // start with a new gig file by default
+     on_action_file_new();
+     // select 'Instruments' tab by default
+     // (gtk allows this only if the tab childs are visible, thats why it's here)
+     m_TreeViewNotebook.set_current_page(1);
  }
  MainWindow::~MainWindow()
  {
  }
+ bool MainWindow::on_delete_event(GdkEventAny* event)
+ {
+     return !file_is_shared && file_is_changed && !close_confirmation_dialog();
+ }
+ void MainWindow::on_action_quit()
+ {
+     if (!file_is_shared && file_is_changed && !close_confirmation_dialog()) return;
+     hide();
+ }
  void MainWindow::region_changed()
  {
      m_DimRegionChooser.set_region(m_RegionChooser.get_region());
  }
+ gig::Instrument* MainWindow::get_instrument()
+ {
+     gig::Instrument* instrument = 0;
+     Gtk::TreeModel::const_iterator it =
+         m_TreeView.get_selection()->get_selected();
+     if (it) {
+         Gtk::TreeModel::Row row = *it;
+         instrument = row[m_Columns.m_col_instr];
+     }
+     return instrument;
+ }
+ void MainWindow::add_region_to_dimregs(gig::Region* region, bool stereo, bool all_dimregs)
+ {
+     if (all_dimregs) {
+         for (int i = 0 ; i < region->DimensionRegions ; i++) {
+             if (region->pDimensionRegions[i]) {
+                 dimreg_edit.dimregs.insert(region->pDimensionRegions[i]);
+             }
+         }
+     } else {
+         m_DimRegionChooser.get_dimregions(region, stereo, dimreg_edit.dimregs);
+     }
+ }
+ void MainWindow::update_dimregs()
+ {
+     dimreg_edit.dimregs.clear();
+     bool all_regions = dimreg_all_regions.get_active();
+     bool stereo = dimreg_stereo.get_active();
+     bool all_dimregs = dimreg_all_dimregs.get_active();
+     if (all_regions) {
+         gig::Instrument* instrument = get_instrument();
+         if (instrument) {
+             for (gig::Region* region = instrument->GetFirstRegion() ;
+                  region ;
+                  region = instrument->GetNextRegion()) {
+                 add_region_to_dimregs(region, stereo, all_dimregs);
+             }
+         }
+     } else {
+         gig::Region* region = m_RegionChooser.get_region();
+         if (region) {
+             add_region_to_dimregs(region, stereo, all_dimregs);
+         }
+     }
+ }
+ void MainWindow::dimreg_all_dimregs_toggled()
+ {
+     dimreg_stereo.set_sensitive(!dimreg_all_dimregs.get_active());
+     update_dimregs();
+ }
  void MainWindow::dimreg_changed()
  {
-     dimreg_edit.set_dim_region(m_DimRegionChooser.get_dimregion());
+     update_dimregs();
+     dimreg_edit.set_dim_region(m_DimRegionChooser.get_main_dimregion());
  }
  void MainWindow::on_sel_change()
  {
-     Glib::RefPtr<Gtk::TreeSelection> tree_sel_ref = m_TreeView.get_selection();
+     // select item in instrument menu
+     Gtk::TreeModel::iterator it = m_TreeView.get_selection()->get_selected();
-     Gtk::TreeModel::iterator it = tree_sel_ref->get_selected();
      if (it) {
-         Gtk::TreeModel::Row row = *it;
+         Gtk::TreePath path(it);
-         std::cout << row[m_Columns.m_col_name] << std::endl;
+         int index = path[0];
+         const std::vector<Gtk::Widget*> children =
+             instrument_menu->get_children();
+         static_cast<Gtk::RadioMenuItem*>(children[index])->set_active();
+     }
-         m_RegionChooser.set_instrument(row[m_Columns.m_col_instr]);
+     m_RegionChooser.set_instrument(get_instrument());
-     } else {
-         m_RegionChooser.set_instrument(0);
+     if (Settings::singleton()->syncSamplerInstrumentSelection) {
+         switch_sampler_instrument_signal.emit(get_instrument());
      }
  }
-Line 286 
 void loader_progress_callback(gig::progr
+Line 788 
 void loader_progress_callback(gig::progr
  void Loader::progress_callback(float fraction)
  {
      {
-         Glib::Mutex::Lock lock(progressMutex);
+         Glib::Threads::Mutex::Lock lock(progressMutex);
          progress = fraction;
      }
      progress_dispatcher();
-Line 294 
 void Loader::progress_callback(float fra
+Line 796 
 void Loader::progress_callback(float fra
  void Loader::thread_function()
  {
-     printf("thread_function self=%x\n", Glib::Thread::self());
+     printf("thread_function self=%x\n", Glib::Threads::Thread::self());
-     printf("Start %s\n", filename);
+     printf("Start %s\n", filename.c_str());
-     RIFF::File* riff = new RIFF::File(filename);
+     try {
-     gig = new gig::File(riff);
+         RIFF::File* riff = new RIFF::File(filename);
-     gig::progress_t progress;
+         gig = new gig::File(riff);
-     progress.callback = loader_progress_callback;
+         gig::progress_t progress;
-     progress.custom = this;
+         progress.callback = loader_progress_callback;
+         progress.custom = this;
-     gig->GetInstrument(0, &progress);
-     printf("End\n");
+         gig->GetInstrument(0, &progress);
-     finished_dispatcher();
+         printf("End\n");
+         finished_dispatcher();
+     } catch (RIFF::Exception e) {
+         error_message = e.Message;
+         error_dispatcher.emit();
+     } catch (...) {
+         error_message = _("Unknown exception occurred");
+         error_dispatcher.emit();
+     }
  }
  Loader::Loader(const char* filename)
-     : thread(0), filename(filename)
+     : filename(filename), thread(0), progress(0.f)
  {
  }
  void Loader::launch()
  {
+ #ifdef OLD_THREADS
      thread = Glib::Thread::create(sigc::mem_fun(*this, &Loader::thread_function), true);
+ #else
+     thread = Glib::Threads::Thread::create(sigc::mem_fun(*this, &Loader::thread_function));
+ #endif
      printf("launch thread=%x\n", thread);
  }
-Line 322 
 float Loader::get_progress()
+Line 836 
 float Loader::get_progress()
  {
      float res;
      {
-         Glib::Mutex::Lock lock(progressMutex);
+         Glib::Threads::Mutex::Lock lock(progressMutex);
          res = progress;
      }
      return res;
-Line 338 
 Glib::Dispatcher& Loader::signal_finishe
+Line 852 
 Glib::Dispatcher& Loader::signal_finishe
      return finished_dispatcher;
  }
- LoadDialog::LoadDialog(const Glib::ustring& title, Gtk::Window& parent)
+ Glib::Dispatcher& Loader::signal_error()
+ {
+     return error_dispatcher;
+ }
+ void saver_progress_callback(gig::progress_t* progress)
+ {
+     Saver* saver = static_cast<Saver*>(progress->custom);
+     saver->progress_callback(progress->factor);
+ }
+ void Saver::progress_callback(float fraction)
+ {
+     {
+         Glib::Threads::Mutex::Lock lock(progressMutex);
+         progress = fraction;
+     }
+     progress_dispatcher.emit();
+ }
+ void Saver::thread_function()
+ {
+     printf("thread_function self=%x\n", Glib::Threads::Thread::self());
+     printf("Start %s\n", filename.c_str());
+     try {
+         gig::progress_t progress;
+         progress.callback = saver_progress_callback;
+         progress.custom = this;
+         // if no filename was provided, that means "save", if filename was provided means "save as"
+         if (filename.empty()) {
+             gig->Save(&progress);
+         } else {
+             gig->Save(filename, &progress);
+         }
+         printf("End\n");
+         finished_dispatcher.emit();
+     } catch (RIFF::Exception e) {
+         error_message = e.Message;
+         error_dispatcher.emit();
+     } catch (...) {
+         error_message = _("Unknown exception occurred");
+         error_dispatcher.emit();
+     }
+ }
+ Saver::Saver(gig::File* file, Glib::ustring filename)
+     : gig(file), filename(filename), thread(0), progress(0.f)
+ {
+ }
+ void Saver::launch()
+ {
+ #ifdef OLD_THREADS
+     thread = Glib::Thread::create(sigc::mem_fun(*this, &Saver::thread_function), true);
+ #else
+     thread = Glib::Threads::Thread::create(sigc::mem_fun(*this, &Saver::thread_function));
+ #endif
+     printf("launch thread=%x\n", thread);
+ }
+ float Saver::get_progress()
+ {
+     float res;
+     {
+         Glib::Threads::Mutex::Lock lock(progressMutex);
+         res = progress;
+     }
+     return res;
+ }
+ Glib::Dispatcher& Saver::signal_progress()
+ {
+     return progress_dispatcher;
+ }
+ Glib::Dispatcher& Saver::signal_finished()
+ {
+     return finished_dispatcher;
+ }
+ Glib::Dispatcher& Saver::signal_error()
+ {
+     return error_dispatcher;
+ }
+ ProgressDialog::ProgressDialog(const Glib::ustring& title, Gtk::Window& parent)
      : Gtk::Dialog(title, parent, true)
  {
      get_vbox()->pack_start(progressBar);
      show_all_children();
+     resize(600,50);
  }
  // Clear all GUI elements / controls. This method is typically called
  // before a new .gig file is to be created or to be loaded.
  void MainWindow::__clear() {
-     // remove all entries from "Instrument" menu
-     Gtk::MenuItem* instrument_menu =
-         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuInstrument"));
-     instrument_menu->hide();
-     for (int i = 0; i < instrument_menu->get_submenu()->items().size(); i++) {
-         delete &instrument_menu->get_submenu()->items()[i];
-     }
-     instrument_menu->get_submenu()->items().clear();
      // forget all samples that ought to be imported
      m_SampleImportQueue.clear();
      // clear the samples and instruments tree views
      m_refTreeModel->clear();
      m_refSamplesTreeModel->clear();
+     m_refScriptsTreeModel->clear();
+     // remove all entries from "Instrument" menu
+     while (!instrument_menu->get_children().empty()) {
+         remove_instrument_from_menu(0);
+     }
      // free libgig's gig::File instance
-     if (file) {
+     if (file && !file_is_shared) delete file;
-         delete file;
+     file = NULL;
-         file = NULL;
+     set_file_is_shared(false);
+ }
+ void MainWindow::__refreshEntireGUI() {
+     // clear the samples and instruments tree views
+     m_refTreeModel->clear();
+     m_refSamplesTreeModel->clear();
+     m_refScriptsTreeModel->clear();
+     // remove all entries from "Instrument" menu
+     while (!instrument_menu->get_children().empty()) {
+         remove_instrument_from_menu(0);
      }
+     if (!this->file) return;
+     load_gig(
+         this->file, this->file->pInfo->Name.c_str(), this->file_is_shared
+     );
  }
  void MainWindow::on_action_file_new()
  {
+     if (!file_is_shared && file_is_changed && !close_confirmation_dialog()) return;
+     if (file_is_shared && !leaving_shared_mode_dialog()) return;
      // clear all GUI elements
      __clear();
      // create a new .gig file (virtually yet)
      gig::File* pFile = new gig::File;
      // already add one new instrument by default
      gig::Instrument* pInstrument = pFile->AddInstrument();
-     pInstrument->pInfo->Name = "Unnamed Instrument";
+     pInstrument->pInfo->Name = gig_from_utf8(_("Unnamed Instrument"));
      // update GUI with that new gig::File
-     load_gig(pFile, NULL /*no file name yet*/);
+     load_gig(pFile, 0 /*no file name yet*/);
+ }
+ bool MainWindow::close_confirmation_dialog()
+ {
+     gchar* msg = g_strdup_printf(_("Save changes to \"%s\" before closing?"),
+                                  Glib::filename_display_basename(filename).c_str());
+     Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
+     g_free(msg);
+     dialog.set_secondary_text(_("If you close without saving, your changes will be lost."));
+     dialog.add_button(_("Close _Without Saving"), Gtk::RESPONSE_NO);
+     dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+     dialog.add_button(file_has_name ? Gtk::Stock::SAVE : Gtk::Stock::SAVE_AS, Gtk::RESPONSE_YES);
+     dialog.set_default_response(Gtk::RESPONSE_YES);
+     int response = dialog.run();
+     dialog.hide();
+     // user decided to exit app without saving
+     if (response == Gtk::RESPONSE_NO) return true;
+     // user cancelled dialog, thus don't close app
+     if (response == Gtk::RESPONSE_CANCEL) return false;
+     // TODO: the following return valid is disabled and hard coded instead for
+     // now, due to the fact that saving with progress bar is now implemented
+     // asynchronously, as a result the app does not close automatically anymore
+     // after saving the file has completed
+     //
+     //   if (response == Gtk::RESPONSE_YES) return file_save();
+     //   return response != Gtk::RESPONSE_CANCEL;
+     //
+     if (response == Gtk::RESPONSE_YES) file_save();
+     return false; // always prevent closing the app for now (see comment above)
+ }
+ bool MainWindow::leaving_shared_mode_dialog() {
+     Glib::ustring msg = _("Detach from sampler and proceed working stand-alone?");
+     Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
+     dialog.set_secondary_text(
+         _("If you proceed to work on another instrument file, it won't be "
+           "used by the sampler until you tell the sampler explicitly to "
+           "load it."));
+     dialog.add_button(_("_Yes, Detach"), Gtk::RESPONSE_YES);
+     dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+     dialog.set_default_response(Gtk::RESPONSE_CANCEL);
+     int response = dialog.run();
+     dialog.hide();
+     return response == Gtk::RESPONSE_YES;
  }
  void MainWindow::on_action_file_open()
  {
+     if (!file_is_shared && file_is_changed && !close_confirmation_dialog()) return;
+     if (file_is_shared && !leaving_shared_mode_dialog()) return;
      Gtk::FileChooserDialog dialog(*this, _("Open file"));
      dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
      dialog.add_button(Gtk::Stock::OPEN, Gtk::RESPONSE_OK);
+     dialog.set_default_response(Gtk::RESPONSE_OK);
+ #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
      Gtk::FileFilter filter;
      filter.add_pattern("*.gig");
+ #else
+     Glib::RefPtr<Gtk::FileFilter> filter = Gtk::FileFilter::create();
+     filter->add_pattern("*.gig");
+ #endif
      dialog.set_filter(filter);
+     if (current_gig_dir != "") {
+         dialog.set_current_folder(current_gig_dir);
+     }
      if (dialog.run() == Gtk::RESPONSE_OK) {
-         printf("filename=%s\n", dialog.get_filename().c_str());
+         std::string filename = dialog.get_filename();
-         __clear();
+         printf("filename=%s\n", filename.c_str());
-         printf("on_action_file_open self=%x\n", Glib::Thread::self());
+         printf("on_action_file_open self=%x\n", Glib::Threads::Thread::self());
-         load_file(dialog.get_filename().c_str());
+         load_file(filename.c_str());
+         current_gig_dir = Glib::path_get_dirname(filename);
      }
  }
  void MainWindow::load_file(const char* name)
  {
-     load_dialog = new LoadDialog("Loading...", *this);
+     __clear();
-     load_dialog->show_all();
-     loader = new Loader(strdup(name));
+     progress_dialog = new ProgressDialog( //FIXME: memory leak!
+         _("Loading") +  Glib::ustring(" '") +
+         Glib::filename_display_basename(name) + "' ...",
+         *this
+     );
+     progress_dialog->show_all();
+     loader = new Loader(name); //FIXME: memory leak!
      loader->signal_progress().connect(
          sigc::mem_fun(*this, &MainWindow::on_loader_progress));
      loader->signal_finished().connect(
          sigc::mem_fun(*this, &MainWindow::on_loader_finished));
+     loader->signal_error().connect(
+         sigc::mem_fun(*this, &MainWindow::on_loader_error));
      loader->launch();
  }
-Line 416 
 void MainWindow::load_instrument(gig::In
+Line 1104 
 void MainWindow::load_instrument(gig::In
          msg.run();
          Gtk::Main::quit();
      }
+     // clear all GUI elements
+     __clear();
+     // load the instrument
      gig::File* pFile = (gig::File*) instr->GetParent();
-     load_gig(pFile, NULL /*file name*/);
+     load_gig(pFile, 0 /*file name*/, true /*shared instrument*/);
-     //TODO: automatically select the given instrument
+     // automatically select the given instrument
+     int i = 0;
+     for (gig::Instrument* instrument = pFile->GetFirstInstrument(); instrument;
+          instrument = pFile->GetNextInstrument(), ++i)
+     {
+         if (instrument == instr) {
+             // select item in "instruments" tree view
+             m_TreeView.get_selection()->select(Gtk::TreePath(ToString(i)));
+             // make sure the selected item in the "instruments" tree view is
+             // visible (scroll to it)
+             m_TreeView.scroll_to_row(Gtk::TreePath(ToString(i)));
+             // select item in instrument menu
+             {
+                 const std::vector<Gtk::Widget*> children =
+                     instrument_menu->get_children();
+                 static_cast<Gtk::RadioMenuItem*>(children[i])->set_active();
+             }
+             // update region chooser and dimension region chooser
+             m_RegionChooser.set_instrument(instr);
+             break;
+         }
+     }
  }
  void MainWindow::on_loader_progress()
  {
-     load_dialog->set_fraction(loader->get_progress());
+     progress_dialog->set_fraction(loader->get_progress());
  }
  void MainWindow::on_loader_finished()
  {
      printf("Loader finished!\n");
-     printf("on_loader_finished self=%x\n", Glib::Thread::self());
+     printf("on_loader_finished self=%x\n", Glib::Threads::Thread::self());
-     load_gig(loader->gig, loader->filename);
+     load_gig(loader->gig, loader->filename.c_str());
-     load_dialog->hide();
+     progress_dialog->hide();
+ }
+ void MainWindow::on_loader_error()
+ {
+     Glib::ustring txt = _("Could not load file: ") + loader->error_message;
+     Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
+     msg.run();
+     progress_dialog->hide();
  }
  void MainWindow::on_action_file_save()
  {
-     if (!file) return;
+     file_save();
-     std::cout << "Saving file\n" << std::flush;
+ }
-     try {
-         file->Save();
+ bool MainWindow::check_if_savable()
-     } catch (RIFF::Exception e) {
+ {
-         Glib::ustring txt = "Could not save file: " + e.Message;
+     if (!file) return false;
-         Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
-         msg.run();
+     if (!file->GetFirstSample()) {
-         return;
+         Gtk::MessageDialog(*this, _("The file could not be saved "
+                                     "because it contains no samples"),
+                            false, Gtk::MESSAGE_ERROR).run();
+         return false;
      }
-     std::cout << "Saving file done\n" << std::flush;
+     for (gig::Instrument* instrument = file->GetFirstInstrument() ; instrument ;
+          instrument = file->GetNextInstrument()) {
+         if (!instrument->GetFirstRegion()) {
+             Gtk::MessageDialog(*this, _("The file could not be saved "
+                                         "because there are instruments "
+                                         "that have no regions"),
+                                false, Gtk::MESSAGE_ERROR).run();
+             return false;
+         }
+     }
+     return true;
+ }
+ bool MainWindow::file_save()
+ {
+     if (!check_if_savable()) return false;
+     if (!file_is_shared && !file_has_name) return file_save_as();
+     std::cout << "Saving file\n" << std::flush;
+     file_structure_to_be_changed_signal.emit(this->file);
+     progress_dialog = new ProgressDialog( //FIXME: memory leak!
+         _("Saving") +  Glib::ustring(" '") +
+         Glib::filename_display_basename(this->filename) + "' ...",
+         *this
+     );
+     progress_dialog->show_all();
+     saver = new Saver(this->file); //FIXME: memory leak!
+     saver->signal_progress().connect(
+         sigc::mem_fun(*this, &MainWindow::on_saver_progress));
+     saver->signal_finished().connect(
+         sigc::mem_fun(*this, &MainWindow::on_saver_finished));
+     saver->signal_error().connect(
+         sigc::mem_fun(*this, &MainWindow::on_saver_error));
+     saver->launch();
+     return true;
+ }
+ void MainWindow::on_saver_progress()
+ {
+     progress_dialog->set_fraction(saver->get_progress());
+ }
+ void MainWindow::on_saver_error()
+ {
+     file_structure_changed_signal.emit(this->file);
+     Glib::ustring txt = _("Could not save file: ") + saver->error_message;
+     Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
+     msg.run();
+ }
+ void MainWindow::on_saver_finished()
+ {
+     this->file = saver->gig;
+     this->filename = saver->filename;
+     current_gig_dir = Glib::path_get_dirname(filename);
+     set_title(Glib::filename_display_basename(filename));
+     file_has_name = true;
+     file_is_changed = false;
+     std::cout << "Saving file done. Importing queued samples now ...\n" << std::flush;
      __import_queued_samples();
+     std::cout << "Importing queued samples done.\n" << std::flush;
+     file_structure_changed_signal.emit(this->file);
+     __refreshEntireGUI();
+     progress_dialog->hide();
  }
  void MainWindow::on_action_file_save_as()
  {
-     if (!file) return;
+     if (!check_if_savable()) return;
-     Gtk::FileChooserDialog dialog(*this, "Open", Gtk::FILE_CHOOSER_ACTION_SAVE);
+     file_save_as();
+ }
+ bool MainWindow::file_save_as()
+ {
+     Gtk::FileChooserDialog dialog(*this, _("Save as"), Gtk::FILE_CHOOSER_ACTION_SAVE);
      dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
      dialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_OK);
+     dialog.set_default_response(Gtk::RESPONSE_OK);
+     dialog.set_do_overwrite_confirmation();
+ #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
      Gtk::FileFilter filter;
      filter.add_pattern("*.gig");
+ #else
+     Glib::RefPtr<Gtk::FileFilter> filter = Gtk::FileFilter::create();
+     filter->add_pattern("*.gig");
+ #endif
      dialog.set_filter(filter);
+     // set initial dir and filename of the Save As dialog
+     // and prepare that initial filename as a copy of the gig
+     {
+         std::string basename = Glib::path_get_basename(filename);
+         std::string dir = Glib::path_get_dirname(filename);
+         basename = std::string(_("copy_of_")) + basename;
+         Glib::ustring copyFileName = Glib::build_filename(dir, basename);
+         if (Glib::path_is_absolute(filename)) {
+             dialog.set_filename(copyFileName);
+         } else {
+             if (current_gig_dir != "") dialog.set_current_folder(current_gig_dir);
+         }
+         dialog.set_current_name(Glib::filename_display_basename(copyFileName));
+     }
+     // show warning in the dialog
+     Gtk::HBox descriptionArea;
+     descriptionArea.set_spacing(15);
+     Gtk::Image warningIcon(Gtk::Stock::DIALOG_WARNING, Gtk::IconSize(Gtk::ICON_SIZE_DIALOG));
+     descriptionArea.pack_start(warningIcon, Gtk::PACK_SHRINK);
+ #if GTKMM_MAJOR_VERSION < 3
+     view::WrapLabel description;
+ #else
+     Gtk::Label description;
+     description.set_line_wrap();
+ #endif
+     description.set_markup(
+         _("\n<b>CAUTION:</b> You <b>MUST</b> use the "
+           "<span style=\"italic\">\"Save\"</span> dialog instead of "
+           "<span style=\"italic\">\"Save As...\"</span> if you want to save "
+           "to the same .gig file. Using "
+           "<span style=\"italic\">\"Save As...\"</span> for writing to the "
+           "same .gig file will end up in corrupted sample wave data!\n")
+     );
+     descriptionArea.pack_start(description);
+     dialog.get_vbox()->pack_start(descriptionArea, Gtk::PACK_SHRINK);
+     descriptionArea.show_all();
      if (dialog.run() == Gtk::RESPONSE_OK) {
-         printf("filename=%s\n", dialog.get_filename().c_str());
+         std::string filename = dialog.get_filename();
-         try {
+         if (!Glib::str_has_suffix(filename, ".gig")) {
-             file->Save(dialog.get_filename());
+             filename += ".gig";
-         } catch (RIFF::Exception e) {
-             Glib::ustring txt = "Could not save file: " + e.Message;
-             Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
-             msg.run();
-             return;
          }
-         __import_queued_samples();
+         printf("filename=%s\n", filename.c_str());
+         progress_dialog = new ProgressDialog( //FIXME: memory leak!
+             _("Saving") +  Glib::ustring(" '") +
+             Glib::filename_display_basename(filename) + "' ...",
+             *this
+         );
+         progress_dialog->show_all();
+         saver = new Saver(file, filename); //FIXME: memory leak!
+         saver->signal_progress().connect(
+             sigc::mem_fun(*this, &MainWindow::on_saver_progress));
+         saver->signal_finished().connect(
+             sigc::mem_fun(*this, &MainWindow::on_saver_finished));
+         saver->signal_error().connect(
+             sigc::mem_fun(*this, &MainWindow::on_saver_error));
+         saver->launch();
+         return true;
      }
+     return false;
  }
  // actually write the sample(s)' data to the gig file
-Line 484 
 void MainWindow::__import_queued_samples
+Line 1340 
 void MainWindow::__import_queued_samples
          SF_INFO info;
          info.format = 0;
          SNDFILE* hFile = sf_open((*iter).sample_path.c_str(), SFM_READ, &info);
+         sf_command(hFile, SFC_SET_SCALE_FLOAT_INT_READ, 0, SF_TRUE);
          try {
-             if (!hFile) throw std::string("could not open file");
+             if (!hFile) throw std::string(_("could not open file"));
              // determine sample's bit depth
              int bitdepth;
              switch (info.format & 0xff) {
                  case SF_FORMAT_PCM_S8:
-                     bitdepth = 16; // we simply convert to 16 bit for now
-                     break;
                  case SF_FORMAT_PCM_16:
+                 case SF_FORMAT_PCM_U8:
                      bitdepth = 16;
                      break;
                  case SF_FORMAT_PCM_24:
-                     bitdepth = 32; // we simply convert to 32 bit for now
-                     break;
                  case SF_FORMAT_PCM_32:
-                     bitdepth = 32;
-                     break;
-                 case SF_FORMAT_PCM_U8:
-                     bitdepth = 16; // we simply convert to 16 bit for now
-                     break;
                  case SF_FORMAT_FLOAT:
-                     bitdepth = 32;
-                     break;
                  case SF_FORMAT_DOUBLE:
-                     bitdepth = 32; // I guess we will always truncate this to 32 bit
+                     bitdepth = 24;
                      break;
                  default:
                      sf_close(hFile); // close sound file
-                     throw std::string("format not supported"); // unsupported subformat (yet?)
+                     throw std::string(_("format not supported")); // unsupported subformat (yet?)
              }
-             // allocate appropriate copy buffer (TODO: for now we copy
-             // it in one piece, might be tough for very long samples)
+             const int bufsize = 10000;
-             // and copy sample data into buffer
-             int8_t* buffer = NULL;
              switch (bitdepth) {
-                 case 16:
+                 case 16: {
-                     buffer = new int8_t[2 * info.channels * info.frames];
+                     short* buffer = new short[bufsize * info.channels];
-                     // libsndfile does the conversion for us (if needed)
+                     sf_count_t cnt = info.frames;
-                     sf_readf_short(hFile, (short*) buffer, info.frames);
+                     while (cnt) {
+                         // libsndfile does the conversion for us (if needed)
+                         int n = sf_readf_short(hFile, buffer, bufsize);
+                         // write from buffer directly (physically) into .gig file
+                         iter->gig_sample->Write(buffer, n);
+                         cnt -= n;
+                     }
+                     delete[] buffer;
                      break;
-                 case 32:
+                 }
-                     buffer = new int8_t[4 * info.channels * info.frames];
+                 case 24: {
-                     // libsndfile does the conversion for us (if needed)
+                     int* srcbuf = new int[bufsize * info.channels];
-                     sf_readf_int(hFile, (int*) buffer, info.frames);
+                     uint8_t* dstbuf = new uint8_t[bufsize * 3 * info.channels];
+                     sf_count_t cnt = info.frames;
+                     while (cnt) {
+                         // libsndfile returns 32 bits, convert to 24
+                         int n = sf_readf_int(hFile, srcbuf, bufsize);
+                         int j = 0;
+                         for (int i = 0 ; i < n * info.channels ; i++) {
+                             dstbuf[j++] = srcbuf[i] >> 8;
+                             dstbuf[j++] = srcbuf[i] >> 16;
+                             dstbuf[j++] = srcbuf[i] >> 24;
+                         }
+                         // write from buffer directly (physically) into .gig file
+                         iter->gig_sample->Write(dstbuf, n);
+                         cnt -= n;
+                     }
+                     delete[] srcbuf;
+                     delete[] dstbuf;
                      break;
+                 }
              }
-             // write from buffer directly (physically) into .gig file
-             (*iter).gig_sample->Write(buffer, info.frames);
              // cleanup
              sf_close(hFile);
-             delete[] buffer;
+             // let the sampler re-cache the sample if needed
+             sample_changed_signal.emit(iter->gig_sample);
              // on success we remove the sample from the import queue,
              // otherwise keep it, maybe it works the next time ?
              std::list<SampleImportItem>::iterator cur = iter;
-Line 542 
 void MainWindow::__import_queued_samples
+Line 1410 
 void MainWindow::__import_queued_samples
              m_SampleImportQueue.erase(cur);
          } catch (std::string what) {
              // remember the files that made trouble (and their cause)
-             if (error_files.size()) error_files += "\n";
+             if (!error_files.empty()) error_files += "\n";
              error_files += (*iter).sample_path += " (" + what + ")";
              ++iter;
          }
      }
      // show error message box when some sample(s) could not be imported
-     if (error_files.size()) {
+     if (!error_files.empty()) {
-         Glib::ustring txt = "Could not import the following sample(s):\n" + error_files;
+         Glib::ustring txt = _("Could not import the following sample(s):\n") + error_files;
          Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
          msg.run();
      }
-Line 561 
 void MainWindow::on_action_file_properti
+Line 1429 
 void MainWindow::on_action_file_properti
      propDialog.deiconify();
  }
+ void MainWindow::on_action_warn_user_on_extensions() {
+     Settings::singleton()->warnUserOnExtensions =
+         !Settings::singleton()->warnUserOnExtensions;
+ }
+ void MainWindow::on_action_sync_sampler_instrument_selection() {
+     Settings::singleton()->syncSamplerInstrumentSelection =
+         !Settings::singleton()->syncSamplerInstrumentSelection;
+ }
+ void MainWindow::on_action_move_root_note_with_region_moved() {
+     Settings::singleton()->moveRootNoteWithRegionMoved =
+         !Settings::singleton()->moveRootNoteWithRegionMoved;
+ }
  void MainWindow::on_action_help_about()
  {
- #ifdef ABOUT_DIALOG
      Gtk::AboutDialog dialog;
+ #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION >= 12) || GTKMM_MAJOR_VERSION > 2
+     dialog.set_program_name("Gigedit");
+ #else
+     dialog.set_name("Gigedit");
+ #endif
      dialog.set_version(VERSION);
+     dialog.set_copyright("Copyright (C) 2006-2015 Andreas Persson");
+     const std::string sComment =
+         _("Built " __DATE__ "\nUsing ") +
+         ::gig::libraryName() + " " + ::gig::libraryVersion() + "\n\n" +
+         _(
+             "Gigedit is released under the GNU General Public License.\n"
+             "\n"
+             "This program is distributed WITHOUT ANY WARRANTY; So better "
+             "backup your Gigasampler/GigaStudio files before editing them with "
+             "this application.\n"
+             "\n"
+             "Please report bugs to: http://bugs.linuxsampler.org"
+         );
+     dialog.set_comments(sComment.c_str());
+     dialog.set_website("http://www.linuxsampler.org");
+     dialog.set_website_label("http://www.linuxsampler.org");
      dialog.run();
- #endif
  }
  PropDialog::PropDialog()
-     : table(2,1)
+     : eFileFormat(_("File Format")),
+       eName(_("Name")),
+       eCreationDate(_("Creation date")),
+       eComments(_("Comments")),
+       eProduct(_("Product")),
+       eCopyright(_("Copyright")),
+       eArtists(_("Artists")),
+       eGenre(_("Genre")),
+       eKeywords(_("Keywords")),
+       eEngineer(_("Engineer")),
+       eTechnician(_("Technician")),
+       eSoftware(_("Software")),
+       eMedium(_("Medium")),
+       eSource(_("Source")),
+       eSourceForm(_("Source form")),
+       eCommissioned(_("Commissioned")),
+       eSubject(_("Subject")),
+       quitButton(Gtk::Stock::CLOSE),
+       table(2, 1),
+       m_file(NULL)
  {
+     set_title(_("File Properties"));
+     eName.set_width_chars(50);
+     connect(eName, &DLS::Info::Name);
+     connect(eCreationDate, &DLS::Info::CreationDate);
+     connect(eComments, &DLS::Info::Comments);
+     connect(eProduct, &DLS::Info::Product);
+     connect(eCopyright, &DLS::Info::Copyright);
+     connect(eArtists, &DLS::Info::Artists);
+     connect(eGenre, &DLS::Info::Genre);
+     connect(eKeywords, &DLS::Info::Keywords);
+     connect(eEngineer, &DLS::Info::Engineer);
+     connect(eTechnician, &DLS::Info::Technician);
+     connect(eSoftware, &DLS::Info::Software);
+     connect(eMedium, &DLS::Info::Medium);
+     connect(eSource, &DLS::Info::Source);
+     connect(eSourceForm, &DLS::Info::SourceForm);
+     connect(eCommissioned, &DLS::Info::Commissioned);
+     connect(eSubject, &DLS::Info::Subject);
+     table.add(eFileFormat);
+     table.add(eName);
+     table.add(eCreationDate);
+     table.add(eComments);
+     table.add(eProduct);
+     table.add(eCopyright);
+     table.add(eArtists);
+     table.add(eGenre);
+     table.add(eKeywords);
+     table.add(eEngineer);
+     table.add(eTechnician);
+     table.add(eSoftware);
+     table.add(eMedium);
+     table.add(eSource);
+     table.add(eSourceForm);
+     table.add(eCommissioned);
+     table.add(eSubject);
      table.set_col_spacings(5);
-     const char* propLabels[] = {
+     add(vbox);
-         "Name:",
+     table.set_border_width(5);
-         "CreationDate:",
+     vbox.add(table);
-         "Comments:", // TODO: multiline
+     vbox.pack_start(buttonBox, Gtk::PACK_SHRINK);
-         "Product:",
+     buttonBox.set_layout(Gtk::BUTTONBOX_END);
-         "Copyright:",
+     buttonBox.set_border_width(5);
-         "Artists:",
+     buttonBox.show();
-         "Genre:",
+     buttonBox.pack_start(quitButton);
-         "Keywords:",
+     quitButton.set_can_default();
-         "Engineer:",
+     quitButton.grab_focus();
-         "Technician:",
+     quitButton.signal_clicked().connect(
-         "Software:", // TODO: readonly
+         sigc::mem_fun(*this, &PropDialog::hide));
-         "Medium:",
+     eFileFormat.signal_value_changed().connect(
-         "Source:",
+         sigc::mem_fun(*this, &PropDialog::onFileFormatChanged));
-         "SourceForm:",
-         "Commissioned:",
-         "Subject:"
-     };
-     for (int i = 0 ; i < sizeof(propLabels) / sizeof(char*) ; i++) {
-         label[i].set_text(propLabels[i]);
-         label[i].set_alignment(Gtk::ALIGN_LEFT);
-         table.attach(label[i], 0, 1, i, i + 1, Gtk::FILL, Gtk::SHRINK);
-         table.attach(entry[i], 1, 2, i, i + 1, Gtk::FILL | Gtk::EXPAND,
-                      Gtk::SHRINK);
-     }
-     add(table);
+     quitButton.show();
-     // add_button(Gtk::Stock::CANCEL, 0);
+     vbox.show();
-     // add_button(Gtk::Stock::OK, 1);
      show_all_children();
  }
+ void PropDialog::set_file(gig::File* file)
+ {
+     m_file = file;
+     // update file format version combo box
+     const std::string sGiga = "Gigasampler/GigaStudio v";
+     const int major = file->pVersion->major;
+     std::vector<std::string> txts;
+     std::vector<int> values;
+     txts.push_back(sGiga + "2"); values.push_back(2);
+     txts.push_back(sGiga + "3/v4"); values.push_back(3);
+     if (major != 2 && major != 3) {
+         txts.push_back(sGiga + ToString(major)); values.push_back(major);
+     }
+     std::vector<const char*> texts;
+     for (int i = 0; i < txts.size(); ++i) texts.push_back(txts[i].c_str());
+     texts.push_back(NULL); values.push_back(0);
+     eFileFormat.set_choices(&texts[0], &values[0]);
+     eFileFormat.set_value(major);
+ }
+ void PropDialog::onFileFormatChanged() {
+     const int major = eFileFormat.get_value();
+     if (m_file) m_file->pVersion->major = major;
+ }
  void PropDialog::set_info(DLS::Info* info)
  {
-     entry[0].set_text(info->Name);
+     update(info);
-     entry[1].set_text(info->CreationDate);
-     entry[2].set_text(Glib::convert(info->Comments, "UTF-8", "ISO-8859-1"));
-     entry[3].set_text(info->Product);
-     entry[4].set_text(info->Copyright);
-     entry[5].set_text(info->Artists);
-     entry[6].set_text(info->Genre);
-     entry[7].set_text(info->Keywords);
-     entry[8].set_text(info->Engineer);
-     entry[9].set_text(info->Technician);
-     entry[10].set_text(info->Software);
-     entry[11].set_text(info->Medium);
-     entry[12].set_text(info->Source);
-     entry[13].set_text(info->SourceForm);
-     entry[14].set_text(info->Commissioned);
-     entry[15].set_text(info->Subject);
- }
- void InstrumentProps::add_prop(LabelWidget& prop)
- {
-     table.attach(prop.label, 0, 1, rowno, rowno + 1,
-                  Gtk::FILL, Gtk::SHRINK);
-     table.attach(prop.widget, 1, 2, rowno, rowno + 1,
-                  Gtk::FILL | Gtk::EXPAND, Gtk::SHRINK);
-     rowno++;
  }
- InstrumentProps::InstrumentProps()
-     : table(2,1),
+ void InstrumentProps::set_Name(const gig::String& name)
-       quitButton(Gtk::Stock::CLOSE),
+ {
-       eName("Name"),
+     m->pInfo->Name = name;
-       eIsDrum("IsDrum"),
+ }
-       eMIDIBank("MIDIBank", 0, 16383),
-       eMIDIProgram("MIDIProgram"),
+ void InstrumentProps::update_name()
-       eAttenuation("Attenuation", 0, 96, 0, 1),
+ {
-       eGainPlus6("Gain +6dB", eAttenuation, -6),
+     update_model++;
-       eEffectSend("EffectSend", 0, 65535),
+     eName.set_value(m->pInfo->Name);
-       eFineTune("FineTune", -8400, 8400),
+     update_model--;
-       ePitchbendRange("PitchbendRange", 0, 12),
+ }
-       ePianoReleaseMode("PianoReleaseMode"),
-       eDimensionKeyRangeLow("DimensionKeyRangeLow"),
+ void InstrumentProps::set_IsDrum(bool value)
-       eDimensionKeyRangeHigh("DimensionKeyRangeHigh")
  {
-     set_title("Instrument properties");
+     m->IsDrum = value;
+ }
+ void InstrumentProps::set_MIDIBank(uint16_t value)
+ {
+     m->MIDIBank = value;
+ }
+ void InstrumentProps::set_MIDIProgram(uint32_t value)
+ {
+     m->MIDIProgram = value;
+ }
+ InstrumentProps::InstrumentProps() :
+     quitButton(Gtk::Stock::CLOSE),
+     table(2,1),
+     eName(_("Name")),
+     eIsDrum(_("Is drum")),
+     eMIDIBank(_("MIDI bank"), 0, 16383),
+     eMIDIProgram(_("MIDI program")),
+     eAttenuation(_("Attenuation"), 0, 96, 0, 1),
+     eGainPlus6(_("Gain +6dB"), eAttenuation, -6),
+     eEffectSend(_("Effect send"), 0, 65535),
+     eFineTune(_("Fine tune"), -8400, 8400),
+     ePitchbendRange(_("Pitchbend range"), 0, 12),
+     ePianoReleaseMode(_("Piano release mode")),
+     eDimensionKeyRangeLow(_("Keyswitching range low")),
+     eDimensionKeyRangeHigh(_("Keyswitching range high"))
+ {
+     set_title(_("Instrument Properties"));
+     eDimensionKeyRangeLow.set_tip(
+         _("start of the keyboard area which should switch the "
+           "\"keyswitching\" dimension")
+     );
+     eDimensionKeyRangeHigh.set_tip(
+         _("end of the keyboard area which should switch the "
+           "\"keyswitching\" dimension")
+     );
+     connect(eName, &InstrumentProps::set_Name);
+     connect(eIsDrum, &InstrumentProps::set_IsDrum);
+     connect(eMIDIBank, &InstrumentProps::set_MIDIBank);
+     connect(eMIDIProgram, &InstrumentProps::set_MIDIProgram);
+     connect(eAttenuation, &gig::Instrument::Attenuation);
+     connect(eGainPlus6, &gig::Instrument::Attenuation);
+     connect(eEffectSend, &gig::Instrument::EffectSend);
+     connect(eFineTune, &gig::Instrument::FineTune);
+     connect(ePitchbendRange, &gig::Instrument::PitchbendRange);
+     connect(ePianoReleaseMode, &gig::Instrument::PianoReleaseMode);
+     connect(eDimensionKeyRangeLow, eDimensionKeyRangeHigh,
+             &gig::Instrument::DimensionKeyRange);
+     eName.signal_value_changed().connect(sig_name_changed.make_slot());
-     rowno = 0;
      table.set_col_spacings(5);
-     add_prop(eName);
+     table.add(eName);
-     add_prop(eIsDrum);
+     table.add(eIsDrum);
-     add_prop(eMIDIBank);
+     table.add(eMIDIBank);
-     add_prop(eMIDIProgram);
+     table.add(eMIDIProgram);
-     add_prop(eAttenuation);
+     table.add(eAttenuation);
-     add_prop(eGainPlus6);
+     table.add(eGainPlus6);
-     add_prop(eEffectSend);
+     table.add(eEffectSend);
-     add_prop(eFineTune);
+     table.add(eFineTune);
-     add_prop(ePitchbendRange);
+     table.add(ePitchbendRange);
-     add_prop(ePianoReleaseMode);
+     table.add(ePianoReleaseMode);
-     add_prop(eDimensionKeyRangeLow);
+     table.add(eDimensionKeyRangeLow);
-     add_prop(eDimensionKeyRangeHigh);
+     table.add(eDimensionKeyRangeHigh);
-     eDimensionKeyRangeLow.signal_value_changed().connect(
-         sigc::mem_fun(*this, &InstrumentProps::key_range_low_changed));
-     eDimensionKeyRangeHigh.signal_value_changed().connect(
-         sigc::mem_fun(*this, &InstrumentProps::key_range_high_changed));
      add(vbox);
      table.set_border_width(5);
-Line 683 
 InstrumentProps::InstrumentProps()
+Line 1678 
 InstrumentProps::InstrumentProps()
      buttonBox.set_border_width(5);
      buttonBox.show();
      buttonBox.pack_start(quitButton);
-     quitButton.set_flags(Gtk::CAN_DEFAULT);
+     quitButton.set_can_default();
      quitButton.grab_focus();
      quitButton.signal_clicked().connect(
-Line 696 
 InstrumentProps::InstrumentProps()
+Line 1691 
 InstrumentProps::InstrumentProps()
  void InstrumentProps::set_instrument(gig::Instrument* instrument)
  {
-     update_gui = false;
+     update(instrument);
-     eName.set_ptr(&instrument->pInfo->Name);
-     eIsDrum.set_ptr(&instrument->IsDrum);
+     update_model++;
-     eMIDIBank.set_ptr(&instrument->MIDIBank);
+     eName.set_value(instrument->pInfo->Name);
-     eMIDIProgram.set_ptr(&instrument->MIDIProgram);
+     eIsDrum.set_value(instrument->IsDrum);
-     eAttenuation.set_ptr(&instrument->Attenuation);
+     eMIDIBank.set_value(instrument->MIDIBank);
-     eGainPlus6.set_ptr(&instrument->Attenuation);
+     eMIDIProgram.set_value(instrument->MIDIProgram);
-     eEffectSend.set_ptr(&instrument->EffectSend);
+     update_model--;
-     eFineTune.set_ptr(&instrument->FineTune);
-     ePitchbendRange.set_ptr(&instrument->PitchbendRange);
-     ePianoReleaseMode.set_ptr(&instrument->PianoReleaseMode);
-     eDimensionKeyRangeLow.set_ptr(&instrument->DimensionKeyRange.low);
-     eDimensionKeyRangeHigh.set_ptr(&instrument->DimensionKeyRange.high);
-     update_gui = true;
  }
- void InstrumentProps::key_range_low_changed()
+ void MainWindow::file_changed()
  {
-     double l = eDimensionKeyRangeLow.get_value();
+     if (file && !file_is_changed) {
-     double h = eDimensionKeyRangeHigh.get_value();
+         set_title("*" + get_title());
-     if (h < l) eDimensionKeyRangeHigh.set_value(l);
+         file_is_changed = true;
+     }
  }
- void InstrumentProps::key_range_high_changed()
+ void MainWindow::updateSampleRefCountMap(gig::File* gig) {
- {
+     sample_ref_count.clear();
-     double l = eDimensionKeyRangeLow.get_value();
-     double h = eDimensionKeyRangeHigh.get_value();
+     if (!gig) return;
-     if (h < l) eDimensionKeyRangeLow.set_value(h);
+     for (gig::Instrument* instrument = gig->GetFirstInstrument(); instrument;
+          instrument = gig->GetNextInstrument())
+     {
+         for (gig::Region* rgn = instrument->GetFirstRegion(); rgn;
+              rgn = instrument->GetNextRegion())
+         {
+             for (int i = 0; i < 256; ++i) {
+                 if (!rgn->pDimensionRegions[i]) continue;
+                 if (rgn->pDimensionRegions[i]->pSample) {
+                     sample_ref_count[rgn->pDimensionRegions[i]->pSample]++;
+                 }
+             }
+         }
+     }
  }
- void MainWindow::load_gig(gig::File* gig, const char* filename)
+ void MainWindow::load_gig(gig::File* gig, const char* filename, bool isSharedInstrument)
  {
-     file = gig;
+     file = 0;
+     set_file_is_shared(isSharedInstrument);
-     if (filename) {
+     this->filename =
-         const char *basename = strrchr(filename, '/');
+         (filename && strlen(filename) > 0) ?
-         basename = basename ? basename + 1 : filename;
+             filename : (!gig->GetFileName().empty()) ?
-         set_title(basename);
+                 gig->GetFileName() : _("Unsaved Gig File");
-     } else {
+     set_title(Glib::filename_display_basename(this->filename));
-         set_title("unnamed");
+     file_has_name = filename;
-     }
+     file_is_changed = false;
+     propDialog.set_file(gig);
      propDialog.set_info(gig->pInfo);
-     Gtk::MenuItem* instrument_menu =
+     instrument_name_connection.block();
-         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuInstrument"));
-     int instrument_index = 0;
-     Gtk::RadioMenuItem::Group instrument_group;
      for (gig::Instrument* instrument = gig->GetFirstInstrument() ; instrument ;
           instrument = gig->GetNextInstrument()) {
+         Glib::ustring name(gig_to_utf8(instrument->pInfo->Name));
          Gtk::TreeModel::iterator iter = m_refTreeModel->append();
          Gtk::TreeModel::Row row = *iter;
-         row[m_Columns.m_col_name] = instrument->pInfo->Name.c_str();
+         row[m_Columns.m_col_name] = name;
          row[m_Columns.m_col_instr] = instrument;
-         // create a menu item for this instrument
-         Gtk::RadioMenuItem* item =
+         add_instrument_to_menu(name);
-             new Gtk::RadioMenuItem(instrument_group, instrument->pInfo->Name.c_str());
-         instrument_menu->get_submenu()->append(*item);
-         item->signal_activate().connect(
-             sigc::bind(
-                 sigc::mem_fun(*this, &MainWindow::on_instrument_selection_change),
-                 instrument_index
-             )
-         );
-         instrument_index++;
      }
-     instrument_menu->show();
+     instrument_name_connection.unblock();
-     instrument_menu->get_submenu()->show_all_children();
+     uiManager->get_widget("/MenuBar/MenuInstrument/AllInstruments")->show();
+     updateSampleRefCountMap(gig);
      for (gig::Group* group = gig->GetFirstGroup(); group; group = gig->GetNextGroup()) {
          if (group->Name != "") {
              Gtk::TreeModel::iterator iterGroup = m_refSamplesTreeModel->append();
              Gtk::TreeModel::Row rowGroup = *iterGroup;
-             rowGroup[m_SamplesModel.m_col_name]   = group->Name.c_str();
+             rowGroup[m_SamplesModel.m_col_name]   = gig_to_utf8(group->Name);
              rowGroup[m_SamplesModel.m_col_group]  = group;
              rowGroup[m_SamplesModel.m_col_sample] = NULL;
              for (gig::Sample* sample = group->GetFirstSample();
-Line 778 
 void MainWindow::load_gig(gig::File* gig
+Line 1776 
 void MainWindow::load_gig(gig::File* gig
                  Gtk::TreeModel::iterator iterSample =
                      m_refSamplesTreeModel->append(rowGroup.children());
                  Gtk::TreeModel::Row rowSample = *iterSample;
-                 rowSample[m_SamplesModel.m_col_name]   = sample->pInfo->Name.c_str();
+                 rowSample[m_SamplesModel.m_col_name] =
+                     gig_to_utf8(sample->pInfo->Name);
                  rowSample[m_SamplesModel.m_col_sample] = sample;
                  rowSample[m_SamplesModel.m_col_group]  = NULL;
+                 int refcount = sample_ref_count.count(sample) ? sample_ref_count[sample] : 0;
+                 rowSample[m_SamplesModel.m_col_refcount] = ToString(refcount) + " " + _("Refs.");
+                 rowSample[m_SamplesModel.m_color] = refcount ? "black" : "red";
              }
          }
      }
+     for (int i = 0; gig->GetScriptGroup(i); ++i) {
+         gig::ScriptGroup* group = gig->GetScriptGroup(i);
+         Gtk::TreeModel::iterator iterGroup = m_refScriptsTreeModel->append();
+         Gtk::TreeModel::Row rowGroup = *iterGroup;
+         rowGroup[m_ScriptsModel.m_col_name]   = gig_to_utf8(group->Name);
+         rowGroup[m_ScriptsModel.m_col_group]  = group;
+         rowGroup[m_ScriptsModel.m_col_script] = NULL;
+         for (int s = 0; group->GetScript(s); ++s) {
+             gig::Script* script = group->GetScript(s);
+             Gtk::TreeModel::iterator iterScript =
+                 m_refScriptsTreeModel->append(rowGroup.children());
+             Gtk::TreeModel::Row rowScript = *iterScript;
+             rowScript[m_ScriptsModel.m_col_name] = gig_to_utf8(script->Name);
+             rowScript[m_ScriptsModel.m_col_script] = script;
+             rowScript[m_ScriptsModel.m_col_group]  = NULL;
+         }
+     }
+     // unfold all sample groups & script groups by default
+     m_TreeViewSamples.expand_all();
+     m_TreeViewScripts.expand_all();
+     file = gig;
      // select the first instrument
-     Glib::RefPtr<Gtk::TreeSelection> tree_sel_ref = m_TreeView.get_selection();
+     m_TreeView.get_selection()->select(Gtk::TreePath("0"));
-     tree_sel_ref->select(Gtk::TreePath("0"));
+     instr_props_set_instrument();
+     gig::Instrument* instrument = get_instrument();
+     if (instrument) {
+         midiRules.set_instrument(instrument);
+     }
+ }
+ bool MainWindow::instr_props_set_instrument()
+ {
+     instrumentProps.signal_name_changed().clear();
+     Gtk::TreeModel::const_iterator it =
+         m_TreeView.get_selection()->get_selected();
+     if (it) {
+         Gtk::TreeModel::Row row = *it;
+         gig::Instrument* instrument = row[m_Columns.m_col_instr];
+         instrumentProps.set_instrument(instrument);
+         // make sure instrument tree is updated when user changes the
+         // instrument name in instrument properties window
+         instrumentProps.signal_name_changed().connect(
+             sigc::bind(
+                 sigc::mem_fun(*this,
+                               &MainWindow::instr_name_changed_by_instr_props),
+                 it));
+     } else {
+         instrumentProps.hide();
+     }
+     return it;
  }
  void MainWindow::show_instr_props()
  {
-     Glib::RefPtr<Gtk::TreeSelection> tree_sel_ref = m_TreeView.get_selection();
+     if (instr_props_set_instrument()) {
-     Gtk::TreeModel::iterator it = tree_sel_ref->get_selected();
+         instrumentProps.show();
-     if (it)
+         instrumentProps.deiconify();
+     }
+ }
+ void MainWindow::instr_name_changed_by_instr_props(Gtk::TreeModel::iterator& it)
+ {
+     Gtk::TreeModel::Row row = *it;
+     Glib::ustring name = row[m_Columns.m_col_name];
+     gig::Instrument* instrument = row[m_Columns.m_col_instr];
+     Glib::ustring gigname(gig_to_utf8(instrument->pInfo->Name));
+     if (gigname != name) {
+         row[m_Columns.m_col_name] = gigname;
+     }
+ }
+ void MainWindow::show_midi_rules()
+ {
+     if (gig::Instrument* instrument = get_instrument())
      {
-         Gtk::TreeModel::Row row = *it;
+         midiRules.set_instrument(instrument);
-         if (row[m_Columns.m_col_instr])
+         midiRules.show();
-         {
+         midiRules.deiconify();
-             instrumentProps.set_instrument(row[m_Columns.m_col_instr]);
-             instrumentProps.show();
-             instrumentProps.deiconify();
-         }
      }
  }
+ void MainWindow::show_script_slots() {
+     if (!file) return;
+     // get selected instrument
+     Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeView.get_selection();
+     Gtk::TreeModel::iterator it = sel->get_selected();
+     if (!it) return;
+     Gtk::TreeModel::Row row = *it;
+     gig::Instrument* instrument = row[m_Columns.m_col_instr];
+     if (!instrument) return;
+     ScriptSlots* window = new ScriptSlots;
+     window->setInstrument(instrument);
+     //window->reparent(*this);
+     window->show();
+ }
+ void MainWindow::on_action_refresh_all() {
+     __refreshEntireGUI();
+ }
+ void MainWindow::on_action_view_status_bar() {
+     Gtk::CheckMenuItem* item =
+         dynamic_cast<Gtk::CheckMenuItem*>(uiManager->get_widget("/MenuBar/MenuView/Statusbar"));
+     if (!item) {
+         std::cerr << "/MenuBar/MenuView/Statusbar == NULL\n";
+         return;
+     }
+     if (item->get_active()) m_StatusBar.show();
+     else                    m_StatusBar.hide();
+ }
+ bool MainWindow::is_copy_samples_unity_note_enabled() const {
+     Gtk::CheckMenuItem* item =
+         dynamic_cast<Gtk::CheckMenuItem*>(uiManager->get_widget("/MenuBar/MenuEdit/CopySampleUnity"));
+     if (!item) {
+         std::cerr << "/MenuBar/MenuEdit/CopySampleUnity == NULL\n";
+         return true;
+     }
+     return item->get_active();
+ }
+ bool MainWindow::is_copy_samples_fine_tune_enabled() const {
+     Gtk::CheckMenuItem* item =
+         dynamic_cast<Gtk::CheckMenuItem*>(uiManager->get_widget("/MenuBar/MenuEdit/CopySampleTune"));
+     if (!item) {
+         std::cerr << "/MenuBar/MenuEdit/CopySampleTune == NULL\n";
+         return true;
+     }
+     return item->get_active();
+ }
+ bool MainWindow::is_copy_samples_loop_enabled() const {
+     Gtk::CheckMenuItem* item =
+         dynamic_cast<Gtk::CheckMenuItem*>(uiManager->get_widget("/MenuBar/MenuEdit/CopySampleLoop"));
+     if (!item) {
+         std::cerr << "/MenuBar/MenuEdit/CopySampleLoop == NULL\n";
+         return true;
+     }
+     return item->get_active();
+ }
  void MainWindow::on_button_release(GdkEventButton* button)
  {
      if (button->type == GDK_2BUTTON_PRESS) {
          show_instr_props();
      } else if (button->type == GDK_BUTTON_PRESS && button->button == 3) {
+         // gig v2 files have no midi rules
+         const bool bEnabled = !(file->pVersion && file->pVersion->major == 2);
+         static_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuInstrument/MidiRules"))->set_sensitive(
+                 bEnabled
+             );
+         static_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/PopupMenu/MidiRules"))->set_sensitive(
+                 bEnabled
+             );
          popup_menu->popup(button->button, button->time);
      }
  }
- void MainWindow::on_instrument_selection_change(int index) {
+ void MainWindow::on_instrument_selection_change(Gtk::RadioMenuItem* item) {
-     m_RegionChooser.set_instrument(file->GetInstrument(index));
+     if (item->get_active()) {
+         const std::vector<Gtk::Widget*> children =
+             instrument_menu->get_children();
+         std::vector<Gtk::Widget*>::const_iterator it =
+             find(children.begin(), children.end(), item);
+         if (it != children.end()) {
+             int index = it - children.begin();
+             m_TreeView.get_selection()->select(Gtk::TreePath(ToString(index)));
+             m_RegionChooser.set_instrument(file->GetInstrument(index));
+         }
+     }
+ }
+ void MainWindow::select_instrument(gig::Instrument* instrument) {
+     if (!instrument) return;
+     Glib::RefPtr<Gtk::TreeModel> model = m_TreeView.get_model();
+     for (int i = 0; i < model->children().size(); ++i) {
+         Gtk::TreeModel::Row row = model->children()[i];
+         if (row[m_Columns.m_col_instr] == instrument) {
+             // select and show the respective instrument in the list view
+             show_intruments_tab();
+             m_TreeView.get_selection()->select(model->children()[i]);
+             Gtk::TreePath path(
+                 m_TreeView.get_selection()->get_selected()
+             );
+             m_TreeView.scroll_to_row(path);
+             on_sel_change(); // the regular instrument selection change callback
+         }
+     }
+ }
+ /// Returns true if requested dimension region was successfully selected and scrolled to in the list view, false on error.
+ bool MainWindow::select_dimension_region(gig::DimensionRegion* dimRgn) {
+     gig::Region* pRegion = (gig::Region*) dimRgn->GetParent();
+     gig::Instrument* pInstrument = (gig::Instrument*) pRegion->GetParent();
+     Glib::RefPtr<Gtk::TreeModel> model = m_TreeView.get_model();
+     for (int i = 0; i < model->children().size(); ++i) {
+         Gtk::TreeModel::Row row = model->children()[i];
+         if (row[m_Columns.m_col_instr] == pInstrument) {
+             // select and show the respective instrument in the list view
+             show_intruments_tab();
+             m_TreeView.get_selection()->select(model->children()[i]);
+             Gtk::TreePath path(
+                 m_TreeView.get_selection()->get_selected()
+             );
+             m_TreeView.scroll_to_row(path);
+             on_sel_change(); // the regular instrument selection change callback
+             // select respective region in the region selector
+             m_RegionChooser.set_region(pRegion);
+             // select and show the respective dimension region in the editor
+             //update_dimregs();
+             if (!m_DimRegionChooser.select_dimregion(dimRgn)) return false;
+             //dimreg_edit.set_dim_region(dimRgn);
+             return true;
+         }
+     }
+     return false;
+ }
+ void MainWindow::select_sample(gig::Sample* sample) {
+     Glib::RefPtr<Gtk::TreeModel> model = m_TreeViewSamples.get_model();
+     for (int g = 0; g < model->children().size(); ++g) {
+         Gtk::TreeModel::Row rowGroup = model->children()[g];
+         for (int s = 0; s < rowGroup.children().size(); ++s) {
+             Gtk::TreeModel::Row rowSample = rowGroup.children()[s];
+             if (rowSample[m_SamplesModel.m_col_sample] == sample) {
+                 show_samples_tab();
+                 m_TreeViewSamples.get_selection()->select(rowGroup.children()[s]);
+                 Gtk::TreePath path(
+                     m_TreeViewSamples.get_selection()->get_selected()
+                 );
+                 m_TreeViewSamples.scroll_to_row(path);
+                 return;
+             }
+         }
+     }
  }
  void MainWindow::on_sample_treeview_button_release(GdkEventButton* button) {
-Line 833 
 void MainWindow::on_sample_treeview_butt
+Line 2057 
 void MainWindow::on_sample_treeview_butt
              group_selected  = row[m_SamplesModel.m_col_group];
              sample_selected = row[m_SamplesModel.m_col_sample];
          }
          dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/SamplePopupMenu/SampleProperties"))->
              set_sensitive(group_selected || sample_selected);
          dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/SamplePopupMenu/AddSample"))->
              set_sensitive(group_selected || sample_selected);
          dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/SamplePopupMenu/AddGroup"))->
              set_sensitive(file);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/SamplePopupMenu/ShowSampleRefs"))->
+             set_sensitive(sample_selected);
          dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/SamplePopupMenu/RemoveSample"))->
              set_sensitive(group_selected || sample_selected);
          // show sample popup
          sample_popup->popup(button->button, button->time);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuSample/SampleProperties"))->
+             set_sensitive(group_selected || sample_selected);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuSample/AddSample"))->
+             set_sensitive(group_selected || sample_selected);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuSample/AddGroup"))->
+             set_sensitive(file);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuSample/ShowSampleRefs"))->
+             set_sensitive(sample_selected);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuSample/RemoveSample"))->
+             set_sensitive(group_selected || sample_selected);
      }
  }
+ void MainWindow::on_script_treeview_button_release(GdkEventButton* button) {
+     if (button->type == GDK_BUTTON_PRESS && button->button == 3) {
+         Gtk::Menu* script_popup =
+             dynamic_cast<Gtk::Menu*>(uiManager->get_widget("/ScriptPopupMenu"));
+         // update enabled/disabled state of sample popup items
+         Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewScripts.get_selection();
+         Gtk::TreeModel::iterator it = sel->get_selected();
+         bool group_selected  = false;
+         bool script_selected = false;
+         if (it) {
+             Gtk::TreeModel::Row row = *it;
+             group_selected  = row[m_ScriptsModel.m_col_group];
+             script_selected = row[m_ScriptsModel.m_col_script];
+         }
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/ScriptPopupMenu/AddScript"))->
+             set_sensitive(group_selected || script_selected);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/ScriptPopupMenu/AddScriptGroup"))->
+             set_sensitive(file);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/ScriptPopupMenu/EditScript"))->
+             set_sensitive(script_selected);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/ScriptPopupMenu/RemoveScript"))->
+             set_sensitive(group_selected || script_selected);
+         // show sample popup
+         script_popup->popup(button->button, button->time);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuScript/AddScript"))->
+             set_sensitive(group_selected || script_selected);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuScript/AddScriptGroup"))->
+             set_sensitive(file);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuScript/EditScript"))->
+             set_sensitive(script_selected);
+         dynamic_cast<Gtk::MenuItem*>(uiManager->get_widget("/MenuBar/MenuScript/RemoveScript"))->
+             set_sensitive(group_selected || script_selected);
+     }
+ }
+ Gtk::RadioMenuItem* MainWindow::add_instrument_to_menu(
+     const Glib::ustring& name, int position) {
+     Gtk::RadioMenuItem::Group instrument_group;
+     const std::vector<Gtk::Widget*> children = instrument_menu->get_children();
+     if (!children.empty()) {
+         instrument_group =
+             static_cast<Gtk::RadioMenuItem*>(children[0])->get_group();
+     }
+     Gtk::RadioMenuItem* item =
+         new Gtk::RadioMenuItem(instrument_group, name);
+     if (position < 0) {
+         instrument_menu->append(*item);
+     } else {
+         instrument_menu->insert(*item, position);
+     }
+     item->show();
+     item->signal_activate().connect(
+         sigc::bind(
+             sigc::mem_fun(*this, &MainWindow::on_instrument_selection_change),
+             item));
+     return item;
+ }
+ void MainWindow::remove_instrument_from_menu(int index) {
+     const std::vector<Gtk::Widget*> children =
+         instrument_menu->get_children();
+     Gtk::Widget* child = children[index];
+     instrument_menu->remove(*child);
+     delete child;
+ }
+ void MainWindow::add_instrument(gig::Instrument* instrument) {
+     const Glib::ustring name(gig_to_utf8(instrument->pInfo->Name));
+     // update instrument tree view
+     instrument_name_connection.block();
+     Gtk::TreeModel::iterator iterInstr = m_refTreeModel->append();
+     Gtk::TreeModel::Row rowInstr = *iterInstr;
+     rowInstr[m_Columns.m_col_name] = name;
+     rowInstr[m_Columns.m_col_instr] = instrument;
+     instrument_name_connection.unblock();
+     add_instrument_to_menu(name);
+     m_TreeView.get_selection()->select(iterInstr);
+     file_changed();
+ }
  void MainWindow::on_action_add_instrument() {
      static int __instrument_indexer = 0;
      if (!file) return;
      gig::Instrument* instrument = file->AddInstrument();
      __instrument_indexer++;
-     instrument->pInfo->Name =
+     instrument->pInfo->Name = gig_from_utf8(_("Unnamed Instrument ") +
-         "Unnamed Instrument " + ToString(__instrument_indexer);
+                                             ToString(__instrument_indexer));
-     // update instrument tree view
-     Gtk::TreeModel::iterator iterInstr = m_refTreeModel->append();
+     add_instrument(instrument);
-     Gtk::TreeModel::Row rowInstr = *iterInstr;
+ }
-     rowInstr[m_Columns.m_col_name] = instrument->pInfo->Name.c_str();
-     rowInstr[m_Columns.m_col_instr] = instrument;
+ void MainWindow::on_action_duplicate_instrument() {
+     if (!file) return;
+     // retrieve the currently selected instrument
+     // (being the original instrument to be duplicated)
+     Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeView.get_selection();
+     Gtk::TreeModel::iterator itSelection = sel->get_selected();
+     if (!itSelection) return;
+     Gtk::TreeModel::Row row = *itSelection;
+     gig::Instrument* instrOrig = row[m_Columns.m_col_instr];
+     if (!instrOrig) return;
+     // duplicate the orginal instrument
+     gig::Instrument* instrNew = file->AddDuplicateInstrument(instrOrig);
+     instrNew->pInfo->Name =
+         instrOrig->pInfo->Name +
+         gig_from_utf8(Glib::ustring(" (") + _("Copy") + ")");
+     add_instrument(instrNew);
  }
  void MainWindow::on_action_remove_instrument() {
      if (!file) return;
+     if (file_is_shared) {
+         Gtk::MessageDialog msg(
+             *this,
+              _("You cannot delete an instrument from this file, since it's "
+                "currently used by the sampler."),
+              false, Gtk::MESSAGE_INFO
+         );
+         msg.run();
+         return;
+     }
      Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeView.get_selection();
      Gtk::TreeModel::iterator it = sel->get_selected();
      if (it) {
          Gtk::TreeModel::Row row = *it;
          gig::Instrument* instr = row[m_Columns.m_col_instr];
          try {
+             Gtk::TreePath path(it);
+             int index = path[0];
              // remove instrument from the gig file
              if (instr) file->DeleteInstrument(instr);
-             // remove respective row from instruments tree view
+             file_changed();
+             remove_instrument_from_menu(index);
+             // remove row from instruments tree view
              m_refTreeModel->erase(it);
+ #if GTKMM_MAJOR_VERSION < 3
+             // select another instrument (in gtk3 this is done
+             // automatically)
+             if (!m_refTreeModel->children().empty()) {
+                 if (index == m_refTreeModel->children().size()) {
+                     index--;
+                 }
+                 m_TreeView.get_selection()->select(
+                     Gtk::TreePath(ToString(index)));
+             }
+ #endif
+             instr_props_set_instrument();
+             instr = get_instrument();
+             if (instr) {
+                 midiRules.set_instrument(instr);
+             } else {
+                 midiRules.hide();
+             }
          } catch (RIFF::Exception e) {
              Gtk::MessageDialog msg(*this, e.Message.c_str(), false, Gtk::MESSAGE_ERROR);
              msg.run();
-Line 882 
 void MainWindow::on_action_remove_instru
+Line 2262 
 void MainWindow::on_action_remove_instru
  void MainWindow::on_action_sample_properties() {
      //TODO: show a dialog where the selected sample's properties can be edited
      Gtk::MessageDialog msg(
-         *this, "Sorry, yet to be implemented!", false, Gtk::MESSAGE_INFO
+         *this, _("Sorry, yet to be implemented!"), false, Gtk::MESSAGE_INFO
      );
      msg.run();
  }
+ void MainWindow::on_action_add_script_group() {
+     static int __script_indexer = 0;
+     if (!file) return;
+     gig::ScriptGroup* group = file->AddScriptGroup();
+     group->Name = gig_from_utf8(_("Unnamed Group"));
+     if (__script_indexer) group->Name += " " + ToString(__script_indexer);
+     __script_indexer++;
+     // update sample tree view
+     Gtk::TreeModel::iterator iterGroup = m_refScriptsTreeModel->append();
+     Gtk::TreeModel::Row rowGroup = *iterGroup;
+     rowGroup[m_ScriptsModel.m_col_name] = gig_to_utf8(group->Name);
+     rowGroup[m_ScriptsModel.m_col_script] = NULL;
+     rowGroup[m_ScriptsModel.m_col_group] = group;
+     file_changed();
+ }
+ void MainWindow::on_action_add_script() {
+     if (!file) return;
+     // get selected group
+     Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewScripts.get_selection();
+     Gtk::TreeModel::iterator it = sel->get_selected();
+     if (!it) return;
+     Gtk::TreeModel::Row row = *it;
+     gig::ScriptGroup* group = row[m_ScriptsModel.m_col_group];
+     if (!group) { // not a group, but a script is selected (probably)
+         gig::Script* script = row[m_ScriptsModel.m_col_script];
+         if (!script) return;
+         it = row.parent(); // resolve parent (that is the script's group)
+         if (!it) return;
+         row = *it;
+         group = row[m_ScriptsModel.m_col_group];
+         if (!group) return;
+     }
+     // add a new script to the .gig file
+     gig::Script* script = group->AddScript();
+     Glib::ustring name = _("Unnamed Script");
+     script->Name = gig_from_utf8(name);
+     // add script to the tree view
+     Gtk::TreeModel::iterator iterScript =
+         m_refScriptsTreeModel->append(row.children());
+     Gtk::TreeModel::Row rowScript = *iterScript;
+     rowScript[m_ScriptsModel.m_col_name] = name;
+     rowScript[m_ScriptsModel.m_col_script] = script;
+     rowScript[m_ScriptsModel.m_col_group]  = NULL;
+     // unfold group of new script item in treeview
+     Gtk::TreeModel::Path path(iterScript);
+     m_TreeViewScripts.expand_to_path(path);
+ }
+ void MainWindow::on_action_edit_script() {
+     if (!file) return;
+     // get selected script
+     Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewScripts.get_selection();
+     Gtk::TreeModel::iterator it = sel->get_selected();
+     if (!it) return;
+     Gtk::TreeModel::Row row = *it;
+     gig::Script* script = row[m_ScriptsModel.m_col_script];
+     if (!script) return;
+     ScriptEditor* editor = new ScriptEditor;
+     editor->setScript(script);
+     //editor->reparent(*this);
+     editor->show();
+ }
+ void MainWindow::on_action_remove_script() {
+     if (!file) return;
+     Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewScripts.get_selection();
+     Gtk::TreeModel::iterator it = sel->get_selected();
+     if (it) {
+         Gtk::TreeModel::Row row = *it;
+         gig::ScriptGroup* group = row[m_ScriptsModel.m_col_group];
+         gig::Script* script     = row[m_ScriptsModel.m_col_script];
+         Glib::ustring name      = row[m_ScriptsModel.m_col_name];
+         try {
+             // remove script group or script from the gig file
+             if (group) {
+                 // notify everybody that we're going to remove these samples
+ //TODO:         scripts_to_be_removed_signal.emit(members);
+                 // delete the group in the .gig file including the
+                 // samples that belong to the group
+                 file->DeleteScriptGroup(group);
+                 // notify that we're done with removal
+ //TODO:         scripts_removed_signal.emit();
+                 file_changed();
+             } else if (script) {
+                 // notify everybody that we're going to remove this sample
+ //TODO:         std::list<gig::Script*> lscripts;
+ //TODO:         lscripts.push_back(script);
+ //TODO:         scripts_to_be_removed_signal.emit(lscripts);
+                 // remove sample from the .gig file
+                 script->GetGroup()->DeleteScript(script);
+                 // notify that we're done with removal
+ //TODO:         scripts_removed_signal.emit();
+                 dimreg_changed();
+                 file_changed();
+             }
+             // remove respective row(s) from samples tree view
+             m_refScriptsTreeModel->erase(it);
+         } catch (RIFF::Exception e) {
+             // pretend we're done with removal (i.e. to avoid dead locks)
+ //TODO:     scripts_removed_signal.emit();
+             // show error message
+             Gtk::MessageDialog msg(*this, e.Message.c_str(), false, Gtk::MESSAGE_ERROR);
+             msg.run();
+         }
+     }
+ }
  void MainWindow::on_action_add_group() {
      static int __sample_indexer = 0;
      if (!file) return;
      gig::Group* group = file->AddGroup();
-     group->Name = "Unnamed Group";
+     group->Name = gig_from_utf8(_("Unnamed Group"));
      if (__sample_indexer) group->Name += " " + ToString(__sample_indexer);
      __sample_indexer++;
      // update sample tree view
      Gtk::TreeModel::iterator iterGroup = m_refSamplesTreeModel->append();
      Gtk::TreeModel::Row rowGroup = *iterGroup;
-     rowGroup[m_SamplesModel.m_col_name] = group->Name.c_str();
+     rowGroup[m_SamplesModel.m_col_name] = gig_to_utf8(group->Name);
      rowGroup[m_SamplesModel.m_col_sample] = NULL;
      rowGroup[m_SamplesModel.m_col_group] = group;
+     file_changed();
+ }
+ void MainWindow::on_action_replace_sample() {
+     add_or_replace_sample(true);
  }
  void MainWindow::on_action_add_sample() {
+     add_or_replace_sample(false);
+ }
+ void MainWindow::add_or_replace_sample(bool replace) {
      if (!file) return;
-     // get selected group
+     // get selected group (and probably selected sample)
      Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewSamples.get_selection();
      Gtk::TreeModel::iterator it = sel->get_selected();
      if (!it) return;
      Gtk::TreeModel::Row row = *it;
+     gig::Sample* sample = NULL;
      gig::Group* group = row[m_SamplesModel.m_col_group];
      if (!group) { // not a group, but a sample is selected (probably)
-         gig::Sample* sample = row[m_SamplesModel.m_col_sample];
+         if (replace) sample = row[m_SamplesModel.m_col_sample];
-         if (!sample) return;
+         if (!row[m_SamplesModel.m_col_sample]) return;
          it = row.parent(); // resolve parent (that is the sample's group)
          if (!it) return;
-         row = *it;
+         if (!replace) row = *it;
-         group = row[m_SamplesModel.m_col_group];
+         group = (*it)[m_SamplesModel.m_col_group];
          if (!group) return;
      }
+     if (replace && !sample) return;
      // show 'browse for file' dialog
-     Gtk::FileChooserDialog dialog(*this, _("Add Sample(s)"));
+     Gtk::FileChooserDialog dialog(*this, replace ? _("Replace Sample with") : _("Add Sample(s)"));
      dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
      dialog.add_button(Gtk::Stock::OPEN, Gtk::RESPONSE_OK);
-     dialog.set_select_multiple(true);
+     dialog.set_select_multiple(!replace); // allow multi audio file selection only when adding new samples, does not make sense when replacing a specific sample
-     Gtk::FileFilter soundfilter; // matches all file types supported by libsndfile
-     const char* supportedFileTypes[] = {
+     // matches all file types supported by libsndfile
+ #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
+     Gtk::FileFilter soundfilter;
+ #else
+     Glib::RefPtr<Gtk::FileFilter> soundfilter = Gtk::FileFilter::create();
+ #endif
+     const char* const supportedFileTypes[] = {
          "*.wav", "*.WAV", "*.aiff", "*.AIFF", "*.aifc", "*.AIFC", "*.snd",
          "*.SND", "*.au", "*.AU", "*.paf", "*.PAF", "*.iff", "*.IFF",
          "*.svx", "*.SVX", "*.sf", "*.SF", "*.voc", "*.VOC", "*.w64",
          "*.W64", "*.pvf", "*.PVF", "*.xi", "*.XI", "*.htk", "*.HTK",
          "*.caf", "*.CAF", NULL
      };
+     const char* soundfiles = _("Sound Files");
+     const char* allfiles = _("All Files");
+ #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
      for (int i = 0; supportedFileTypes[i]; i++)
          soundfilter.add_pattern(supportedFileTypes[i]);
-     soundfilter.set_name("Sound Files");
+     soundfilter.set_name(soundfiles);
-     Gtk::FileFilter allpassfilter; // matches every file
+     // matches every file
+     Gtk::FileFilter allpassfilter;
      allpassfilter.add_pattern("*.*");
-     allpassfilter.set_name("All Files");
+     allpassfilter.set_name(allfiles);
+ #else
+     for (int i = 0; supportedFileTypes[i]; i++)
+         soundfilter->add_pattern(supportedFileTypes[i]);
+     soundfilter->set_name(soundfiles);
+     // matches every file
+     Glib::RefPtr<Gtk::FileFilter> allpassfilter = Gtk::FileFilter::create();
+     allpassfilter->add_pattern("*.*");
+     allpassfilter->set_name(allfiles);
+ #endif
      dialog.add_filter(soundfilter);
      dialog.add_filter(allpassfilter);
+     if (current_sample_dir != "") {
+         dialog.set_current_folder(current_sample_dir);
+     }
      if (dialog.run() == Gtk::RESPONSE_OK) {
+         current_sample_dir = dialog.get_current_folder();
          Glib::ustring error_files;
-         Glib::SListHandle<Glib::ustring> filenames = dialog.get_filenames();
+         std::vector<std::string> filenames = dialog.get_filenames();
-         for (Glib::SListHandle<Glib::ustring>::iterator iter = filenames.begin();
+         for (std::vector<std::string>::iterator iter = filenames.begin();
               iter != filenames.end(); ++iter) {
              printf("Adding sample %s\n",(*iter).c_str());
              // use libsndfile to retrieve file informations
-Line 951 
 void MainWindow::on_action_add_sample()
+Line 2481 
 void MainWindow::on_action_add_sample()
              info.format = 0;
              SNDFILE* hFile = sf_open((*iter).c_str(), SFM_READ, &info);
              try {
-                 if (!hFile) throw std::string("could not open file");
+                 if (!hFile) throw std::string(_("could not open file"));
                  int bitdepth;
                  switch (info.format & 0xff) {
                      case SF_FORMAT_PCM_S8:
-                         bitdepth = 16; // we simply convert to 16 bit for now
-                         break;
                      case SF_FORMAT_PCM_16:
+                     case SF_FORMAT_PCM_U8:
                          bitdepth = 16;
                          break;
                      case SF_FORMAT_PCM_24:
-                         bitdepth = 32; // we simply convert to 32 bit for now
-                         break;
                      case SF_FORMAT_PCM_32:
-                         bitdepth = 32;
-                         break;
-                     case SF_FORMAT_PCM_U8:
-                         bitdepth = 16; // we simply convert to 16 bit for now
-                         break;
                      case SF_FORMAT_FLOAT:
-                         bitdepth = 32;
-                         break;
                      case SF_FORMAT_DOUBLE:
-                         bitdepth = 32; // I guess we will always truncate this to 32 bit
+                         bitdepth = 24;
                          break;
                      default:
                          sf_close(hFile); // close sound file
-                         throw std::string("format not supported"); // unsupported subformat (yet?)
+                         throw std::string(_("format not supported")); // unsupported subformat (yet?)
                  }
-                 // add a new sample to the .gig file
+                 // add a new sample to the .gig file (if adding is requested actually)
-                 gig::Sample* sample = file->AddSample();
+                 if (!replace) sample = file->AddSample();
                  // file name without path
-                 sample->pInfo->Name = (*iter).substr((*iter).rfind('/') + 1).raw();
+                 Glib::ustring filename = Glib::filename_display_basename(*iter);
+                 // remove file extension if there is one
+                 for (int i = 0; supportedFileTypes[i]; i++) {
+                     if (Glib::str_has_suffix(filename, supportedFileTypes[i] + 1)) {
+                         filename.erase(filename.length() - strlen(supportedFileTypes[i] + 1));
+                         break;
+                     }
+                 }
+                 sample->pInfo->Name = gig_from_utf8(filename);
                  sample->Channels = info.channels;
                  sample->BitDepth = bitdepth;
                  sample->FrameSize = bitdepth / 8/*1 byte are 8 bits*/ * info.channels;
                  sample->SamplesPerSecond = info.samplerate;
+                 sample->AverageBytesPerSecond = sample->FrameSize * sample->SamplesPerSecond;
+                 sample->BlockAlign = sample->FrameSize;
+                 sample->SamplesTotal = info.frames;
+                 SF_INSTRUMENT instrument;
+                 if (sf_command(hFile, SFC_GET_INSTRUMENT,
+                                &instrument, sizeof(instrument)) != SF_FALSE)
+                 {
+                     sample->MIDIUnityNote = instrument.basenote;
+                     sample->FineTune      = instrument.detune;
+                     if (instrument.loop_count && instrument.loops[0].mode != SF_LOOP_NONE) {
+                         sample->Loops = 1;
+                         switch (instrument.loops[0].mode) {
+                         case SF_LOOP_FORWARD:
+                             sample->LoopType = gig::loop_type_normal;
+                             break;
+                         case SF_LOOP_BACKWARD:
+                             sample->LoopType = gig::loop_type_backward;
+                             break;
+                         case SF_LOOP_ALTERNATING:
+                             sample->LoopType = gig::loop_type_bidirectional;
+                             break;
+                         }
+                         sample->LoopStart = instrument.loops[0].start;
+                         sample->LoopEnd = instrument.loops[0].end;
+                         sample->LoopPlayCount = instrument.loops[0].count;
+                         sample->LoopSize = sample->LoopEnd - sample->LoopStart + 1;
+                     }
+                 }
                  // schedule resizing the sample (which will be done
                  // physically when File::Save() is called)
                  sample->Resize(info.frames);
                  // make sure sample is part of the selected group
-                 group->AddSample(sample);
+                 if (!replace) group->AddSample(sample);
                  // schedule that physical resize and sample import
                  // (data copying), performed when "Save" is requested
                  SampleImportItem sched_item;
-Line 999 
 void MainWindow::on_action_add_sample()
+Line 2559 
 void MainWindow::on_action_add_sample()
                  sched_item.sample_path = *iter;
                  m_SampleImportQueue.push_back(sched_item);
                  // add sample to the tree view
-                 Gtk::TreeModel::iterator iterSample =
+                 if (replace) {
-                     m_refSamplesTreeModel->append(row.children());
+                     row[m_SamplesModel.m_col_name] = gig_to_utf8(sample->pInfo->Name);
-                 Gtk::TreeModel::Row rowSample = *iterSample;
+                 } else {
-                 rowSample[m_SamplesModel.m_col_name]   = sample->pInfo->Name.c_str();
+                     Gtk::TreeModel::iterator iterSample =
-                 rowSample[m_SamplesModel.m_col_sample] = sample;
+                         m_refSamplesTreeModel->append(row.children());
-                 rowSample[m_SamplesModel.m_col_group]  = NULL;
+                     Gtk::TreeModel::Row rowSample = *iterSample;
+                     rowSample[m_SamplesModel.m_col_name] =
+                         gig_to_utf8(sample->pInfo->Name);
+                     rowSample[m_SamplesModel.m_col_sample] = sample;
+                     rowSample[m_SamplesModel.m_col_group]  = NULL;
+                 }
                  // close sound file
                  sf_close(hFile);
+                 file_changed();
              } catch (std::string what) { // remember the files that made trouble (and their cause)
-                 if (error_files.size()) error_files += "\n";
+                 if (!error_files.empty()) error_files += "\n";
                  error_files += *iter += " (" + what + ")";
              }
          }
          // show error message box when some file(s) could not be opened / added
-         if (error_files.size()) {
+         if (!error_files.empty()) {
-             Glib::ustring txt = "Could not add the following sample(s):\n" + error_files;
+             Glib::ustring txt =
+                 (replace
+                     ? _("Failed to replace sample with:\n")
+                     : _("Could not add the following sample(s):\n"))
+                 + error_files;
+             Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
+             msg.run();
+         }
+     }
+ }
+ void MainWindow::on_action_replace_all_samples_in_all_groups()
+ {
+     if (!file) return;
+     Gtk::FileChooserDialog dialog(*this, _("Select Folder"),
+                                   Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER);
+     const char* str =
+         _("This is a very specific function. It tries to replace all samples "
+           "in the current gig file by samples located in the chosen "
+           "directory.\n\n"
+           "It works like this: For each sample in the gig file, it tries to "
+           "find a sample file in the selected directory with the same name as "
+           "the sample in the gig file. Optionally, you can add a filename "
+           "extension below, which will be added to the filename expected to be "
+           "found. That is, assume you have a gig file with a sample called "
+           "'Snare', if you enter '.wav' below (like it's done by default), it "
+           "expects to find a sample file called 'Snare.wav' and will replace "
+           "the sample in the gig file accordingly. If you don't need an "
+           "extension, blank the field below. Any gig sample where no "
+           "appropriate sample file could be found will be reported and left "
+           "untouched.\n");
+ #if GTKMM_MAJOR_VERSION < 3
+     view::WrapLabel description(str);
+ #else
+     Gtk::Label description(str);
+     description.set_line_wrap();
+ #endif
+     Gtk::HBox entryArea;
+     Gtk::Label entryLabel( _("Add filename extension: "), Gtk::ALIGN_START);
+     Gtk::Entry postfixEntryBox;
+     postfixEntryBox.set_text(".wav");
+     entryArea.pack_start(entryLabel);
+     entryArea.pack_start(postfixEntryBox);
+     dialog.get_vbox()->pack_start(description, Gtk::PACK_SHRINK);
+     dialog.get_vbox()->pack_start(entryArea, Gtk::PACK_SHRINK);
+     description.show();
+     entryArea.show_all();
+     dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+     dialog.add_button(_("Select"), Gtk::RESPONSE_OK);
+     dialog.set_select_multiple(false);
+     if (current_sample_dir != "") {
+         dialog.set_current_folder(current_sample_dir);
+     }
+     if (dialog.run() == Gtk::RESPONSE_OK)
+     {
+         current_sample_dir = dialog.get_current_folder();
+         Glib::ustring error_files;
+         std::string folder = dialog.get_filename();
+         for (gig::Sample* sample = file->GetFirstSample();
+              sample; sample = file->GetNextSample())
+         {
+             std::string filename =
+                 folder + G_DIR_SEPARATOR_S +
+                 Glib::filename_from_utf8(gig_to_utf8(sample->pInfo->Name) +
+                                          postfixEntryBox.get_text());
+             SF_INFO info;
+             info.format = 0;
+             SNDFILE* hFile = sf_open(filename.c_str(), SFM_READ, &info);
+             try
+             {
+                 if (!hFile) throw std::string(_("could not open file"));
+                 int bitdepth;
+                 switch (info.format & 0xff) {
+                     case SF_FORMAT_PCM_S8:
+                     case SF_FORMAT_PCM_16:
+                     case SF_FORMAT_PCM_U8:
+                         bitdepth = 16;
+                         break;
+                     case SF_FORMAT_PCM_24:
+                     case SF_FORMAT_PCM_32:
+                     case SF_FORMAT_FLOAT:
+                     case SF_FORMAT_DOUBLE:
+                         bitdepth = 24;
+                         break;
+                     default:
+                         sf_close(hFile);
+                         throw std::string(_("format not supported"));
+                 }
+                 SampleImportItem sched_item;
+                 sched_item.gig_sample  = sample;
+                 sched_item.sample_path = filename;
+                 m_SampleImportQueue.push_back(sched_item);
+                 sf_close(hFile);
+                 file_changed();
+             }
+             catch (std::string what)
+             {
+                 if (!error_files.empty()) error_files += "\n";
+                 error_files += Glib::filename_to_utf8(filename) +
+                     " (" + what + ")";
+             }
+         }
+         // show error message box when some file(s) could not be opened / added
+         if (!error_files.empty()) {
+             Glib::ustring txt =
+                 _("Could not replace the following sample(s):\n") + error_files;
              Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
              msg.run();
          }
-Line 1033 
 void MainWindow::on_action_remove_sample
+Line 2704 
 void MainWindow::on_action_remove_sample
          try {
              // remove group or sample from the gig file
              if (group) {
-                 // temporarily remember the samples that bolong to
+                 // temporarily remember the samples that belong to
                  // that group (we need that to clean the queue)
                  std::list<gig::Sample*> members;
                  for (gig::Sample* pSample = group->GetFirstSample();
                       pSample; pSample = group->GetNextSample()) {
                      members.push_back(pSample);
                  }
+                 // notify everybody that we're going to remove these samples
+                 samples_to_be_removed_signal.emit(members);
                  // delete the group in the .gig file including the
                  // samples that belong to the group
                  file->DeleteGroup(group);
+                 // notify that we're done with removal
+                 samples_removed_signal.emit();
                  // if sample(s) were just previously added, remove
                  // them from the import queue
                  for (std::list<gig::Sample*>::iterator member = members.begin();
-Line 1057 
 void MainWindow::on_action_remove_sample
+Line 2732 
 void MainWindow::on_action_remove_sample
                          }
                      }
                  }
+                 file_changed();
              } else if (sample) {
+                 // notify everybody that we're going to remove this sample
+                 std::list<gig::Sample*> lsamples;
+                 lsamples.push_back(sample);
+                 samples_to_be_removed_signal.emit(lsamples);
                  // remove sample from the .gig file
                  file->DeleteSample(sample);
+                 // notify that we're done with removal
+                 samples_removed_signal.emit();
                  // if sample was just previously added, remove it from
                  // the import queue
                  for (std::list<SampleImportItem>::iterator iter = m_SampleImportQueue.begin();
-Line 1071 
 void MainWindow::on_action_remove_sample
+Line 2753 
 void MainWindow::on_action_remove_sample
                          break;
                      }
                  }
+                 dimreg_changed();
+                 file_changed();
              }
              // remove respective row(s) from samples tree view
              m_refSamplesTreeModel->erase(it);
          } catch (RIFF::Exception e) {
+             // pretend we're done with removal (i.e. to avoid dead locks)
+             samples_removed_signal.emit();
+             // show error message
              Gtk::MessageDialog msg(*this, e.Message.c_str(), false, Gtk::MESSAGE_ERROR);
              msg.run();
          }
      }
  }
+ void MainWindow::on_action_remove_unused_samples() {
+     if (!file) return;
+     // collect all samples that are not referenced by any instrument
+     std::list<gig::Sample*> lsamples;
+     for (int iSample = 0; file->GetSample(iSample); ++iSample) {
+         gig::Sample* sample = file->GetSample(iSample);
+         bool isUsed = false;
+         for (gig::Instrument* instrument = file->GetFirstInstrument(); instrument;
+                               instrument = file->GetNextInstrument())
+         {
+             for (gig::Region* rgn = instrument->GetFirstRegion(); rgn;
+                               rgn = instrument->GetNextRegion())
+             {
+                 for (int i = 0; i < 256; ++i) {
+                     if (!rgn->pDimensionRegions[i]) continue;
+                     if (rgn->pDimensionRegions[i]->pSample != sample) continue;
+                     isUsed = true;
+                     goto endOfRefSearch;
+                 }
+             }
+         }
+         endOfRefSearch:
+         if (!isUsed) lsamples.push_back(sample);
+     }
+     if (lsamples.empty()) return;
+     // notify everybody that we're going to remove these samples
+     samples_to_be_removed_signal.emit(lsamples);
+     // remove collected samples
+     try {
+         for (std::list<gig::Sample*>::iterator itSample = lsamples.begin();
+              itSample != lsamples.end(); ++itSample)
+         {
+             gig::Sample* sample = *itSample;
+             // remove sample from the .gig file
+             file->DeleteSample(sample);
+             // if sample was just previously added, remove it fro the import queue
+             for (std::list<SampleImportItem>::iterator iter = m_SampleImportQueue.begin();
+                  iter != m_SampleImportQueue.end(); ++iter)
+             {
+                 if ((*iter).gig_sample == sample) {
+                     printf("Removing previously added sample '%s'\n",
+                            (*iter).sample_path.c_str());
+                     m_SampleImportQueue.erase(iter);
+                     break;
+                 }
+             }
+         }
+     } catch (RIFF::Exception e) {
+         // show error message
+         Gtk::MessageDialog msg(*this, e.Message.c_str(), false, Gtk::MESSAGE_ERROR);
+         msg.run();
+     }
+     // notify everybody that we're done with removal
+     samples_removed_signal.emit();
+     dimreg_changed();
+     file_changed();
+     __refreshEntireGUI();
+ }
+ // see comment on on_sample_treeview_drag_begin()
+ void MainWindow::on_scripts_treeview_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
+ {
+     first_call_to_drag_data_get = true;
+ }
+ void MainWindow::on_scripts_treeview_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&,
+                                                    Gtk::SelectionData& selection_data, guint, guint)
+ {
+     if (!first_call_to_drag_data_get) return;
+     first_call_to_drag_data_get = false;
+     // get selected script
+     gig::Script* script = NULL;
+     Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewScripts.get_selection();
+     Gtk::TreeModel::iterator it = sel->get_selected();
+     if (it) {
+         Gtk::TreeModel::Row row = *it;
+         script = row[m_ScriptsModel.m_col_script];
+     }
+     // pass the gig::Script as pointer
+     selection_data.set(selection_data.get_target(), 0/*unused*/,
+                        (const guchar*)&script,
+                        sizeof(script)/*length of data in bytes*/);
+ }
+ // see comment on on_sample_treeview_drag_begin()
+ void MainWindow::on_instruments_treeview_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
+ {
+     first_call_to_drag_data_get = true;
+ }
+ void MainWindow::on_instruments_treeview_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&,
+                                                        Gtk::SelectionData& selection_data, guint, guint)
+ {
+     if (!first_call_to_drag_data_get) return;
+     first_call_to_drag_data_get = false;
+     // get selected source instrument
+     gig::Instrument* src = NULL;
+     {
+         Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeView.get_selection();
+         Gtk::TreeModel::iterator it = sel->get_selected();
+         if (it) {
+             Gtk::TreeModel::Row row = *it;
+             src = row[m_Columns.m_col_instr];
+         }
+     }
+     if (!src) return;
+     // pass the source gig::Instrument as pointer
+     selection_data.set(selection_data.get_target(), 0/*unused*/, (const guchar*)&src,
+                        sizeof(src)/*length of data in bytes*/);
+ }
+ void MainWindow::on_instruments_treeview_drop_drag_data_received(
+     const Glib::RefPtr<Gdk::DragContext>& context, int x, int y,
+     const Gtk::SelectionData& selection_data, guint, guint time)
+ {
+     gig::Instrument* src = *((gig::Instrument**) selection_data.get_data());
+     if (!src || selection_data.get_length() != sizeof(gig::Instrument*))
+         return;
+     gig::Instrument* dst = NULL;
+     {
+         Gtk::TreeModel::Path path;
+         const bool found = m_TreeView.get_path_at_pos(x, y, path);
+         if (!found) return;
+         Gtk::TreeModel::iterator iter = m_refTreeModel->get_iter(path);
+         if (!iter) return;
+         Gtk::TreeModel::Row row = *iter;
+         dst = row[m_Columns.m_col_instr];
+     }
+     if (!dst) return;
+     //printf("dragdrop received src=%s dst=%s\n", src->pInfo->Name.c_str(), dst->pInfo->Name.c_str());
+     src->MoveTo(dst);
+     __refreshEntireGUI();
+     select_instrument(src);
+ }
+ // For some reason drag_data_get gets called two times for each
+ // drag'n'drop (at least when target is an Entry). This work-around
+ // makes sure the code in drag_data_get and drop_drag_data_received is
+ // only executed once, as drag_begin only gets called once.
+ void MainWindow::on_sample_treeview_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
+ {
+     first_call_to_drag_data_get = true;
+ }
  void MainWindow::on_sample_treeview_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&,
                                                    Gtk::SelectionData& selection_data, guint, guint)
  {
+     if (!first_call_to_drag_data_get) return;
+     first_call_to_drag_data_get = false;
      // get selected sample
      gig::Sample* sample = NULL;
      Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewSamples.get_selection();
-Line 1101 
 void MainWindow::on_sample_label_drop_dr
+Line 2947 
 void MainWindow::on_sample_label_drop_dr
      const Glib::RefPtr<Gdk::DragContext>& context, int, int,
      const Gtk::SelectionData& selection_data, guint, guint time)
  {
-     gig::DimensionRegion* dimregion = m_DimRegionChooser.get_dimregion();
      gig::Sample* sample = *((gig::Sample**) selection_data.get_data());
-     if (sample && dimregion && selection_data.get_length() == sizeof(gig::Sample*)) {
+     if (sample && selection_data.get_length() == sizeof(gig::Sample*)) {
-         if (sample != dimregion->pSample) {
+         std::cout << "Drop received sample \"" <<
-             dimregion->pSample = sample;
+             sample->pInfo->Name << "\"" << std::endl;
-             dimreg_edit.wSample->set_text(dimregion->pSample->pInfo->Name.c_str());
+         // drop success
-             std::cout << "Drop received sample \"" <<
+         context->drop_reply(true, time);
-                 dimregion->pSample->pInfo->Name.c_str() << "\"" << std::endl;
-             // drop success
+         //TODO: we should better move most of the following code to DimRegionEdit::set_sample()
-             context->drop_reply(true, time);
-             return;
+         // notify everybody that we're going to alter the region
+         gig::Region* region = m_RegionChooser.get_region();
+         region_to_be_changed_signal.emit(region);
+         // find the samplechannel dimension
+         gig::dimension_def_t* stereo_dimension = 0;
+         for (int i = 0 ; i < region->Dimensions ; i++) {
+             if (region->pDimensionDefinitions[i].dimension ==
+                 gig::dimension_samplechannel) {
+                 stereo_dimension = &region->pDimensionDefinitions[i];
+                 break;
+             }
          }
+         bool channels_changed = false;
+         if (sample->Channels == 1 && stereo_dimension) {
+             // remove the samplechannel dimension
+ /* commented out, because it makes it impossible building up an instrument from scratch using two separate L/R samples
+             region->DeleteDimension(stereo_dimension);
+             channels_changed = true;
+             region_changed();
+ */
+         }
+         dimreg_edit.set_sample(
+             sample,
+             is_copy_samples_unity_note_enabled(),
+             is_copy_samples_fine_tune_enabled(),
+             is_copy_samples_loop_enabled()
+         );
+         if (sample->Channels == 2 && !stereo_dimension) {
+             // add samplechannel dimension
+             gig::dimension_def_t dim;
+             dim.dimension = gig::dimension_samplechannel;
+             dim.bits = 1;
+             dim.zones = 2;
+             region->AddDimension(&dim);
+             channels_changed = true;
+             region_changed();
+         }
+         if (channels_changed) {
+             // unmap all samples with wrong number of channels
+             // TODO: maybe there should be a warning dialog for this
+             for (int i = 0 ; i < region->DimensionRegions ; i++) {
+                 gig::DimensionRegion* d = region->pDimensionRegions[i];
+                 if (d->pSample && d->pSample->Channels != sample->Channels) {
+                     gig::Sample* oldref = d->pSample;
+                     d->pSample = NULL;
+                     sample_ref_changed_signal.emit(oldref, NULL);
+                 }
+             }
+         }
+         // notify we're done with altering
+         region_changed_signal.emit(region);
+         file_changed();
+         return;
      }
      // drop failed
      context->drop_reply(false, time);
-Line 1126 
 void MainWindow::sample_name_changed(con
+Line 3027 
 void MainWindow::sample_name_changed(con
      Glib::ustring name  = row[m_SamplesModel.m_col_name];
      gig::Group* group   = row[m_SamplesModel.m_col_group];
      gig::Sample* sample = row[m_SamplesModel.m_col_sample];
+     gig::String gigname(gig_from_utf8(name));
      if (group) {
-         group->Name = name;
+         if (group->Name != gigname) {
+             group->Name = gigname;
+             printf("group name changed\n");
+             file_changed();
+         }
      } else if (sample) {
-         sample->pInfo->Name = name.raw();
+         if (sample->pInfo->Name != gigname) {
+             sample->pInfo->Name = gigname;
+             printf("sample name changed\n");
+             file_changed();
+         }
+     }
+ }
+ void MainWindow::script_name_changed(const Gtk::TreeModel::Path& path,
+                                      const Gtk::TreeModel::iterator& iter) {
+     if (!iter) return;
+     Gtk::TreeModel::Row row = *iter;
+     Glib::ustring name      = row[m_ScriptsModel.m_col_name];
+     gig::ScriptGroup* group = row[m_ScriptsModel.m_col_group];
+     gig::Script* script     = row[m_ScriptsModel.m_col_script];
+     gig::String gigname(gig_from_utf8(name));
+     if (group) {
+         if (group->Name != gigname) {
+             group->Name = gigname;
+             printf("script group name changed\n");
+             file_changed();
+         }
+     } else if (script) {
+         if (script->Name != gigname) {
+             script->Name = gigname;
+             printf("script name changed\n");
+             file_changed();
+         }
      }
  }
+ void MainWindow::script_double_clicked(const Gtk::TreeModel::Path& path,
+                                        Gtk::TreeViewColumn* column)
+ {
+     Gtk::TreeModel::iterator iter = m_refScriptsTreeModel->get_iter(path);
+     if (!iter) return;
+     Gtk::TreeModel::Row row = *iter;
+     gig::Script* script = row[m_ScriptsModel.m_col_script];
+     if (!script) return;
+     ScriptEditor* editor = new ScriptEditor;
+     editor->setScript(script);
+     //editor->reparent(*this);
+     editor->show();
+ }
  void MainWindow::instrument_name_changed(const Gtk::TreeModel::Path& path,
                                           const Gtk::TreeModel::iterator& iter) {
      if (!iter) return;
      Gtk::TreeModel::Row row = *iter;
      Glib::ustring name = row[m_Columns.m_col_name];
+     // change name in instrument menu
+     int index = path[0];
+     const std::vector<Gtk::Widget*> children = instrument_menu->get_children();
+     if (index < children.size()) {
+ #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION >= 16) || GTKMM_MAJOR_VERSION > 2
+         static_cast<Gtk::RadioMenuItem*>(children[index])->set_label(name);
+ #else
+         remove_instrument_from_menu(index);
+         Gtk::RadioMenuItem* item = add_instrument_to_menu(name, index);
+         item->set_active();
+ #endif
+     }
+     // change name in gig
      gig::Instrument* instrument = row[m_Columns.m_col_instr];
-     if (instrument) instrument->pInfo->Name = name.raw();
+     gig::String gigname(gig_from_utf8(name));
+     if (instrument && instrument->pInfo->Name != gigname) {
+         instrument->pInfo->Name = gigname;
+         // change name in the instrument properties window
+         if (instrumentProps.get_instrument() == instrument) {
+             instrumentProps.update_name();
+         }
+         file_changed();
+     }
+ }
+ void MainWindow::on_action_combine_instruments() {
+     CombineInstrumentsDialog* d = new CombineInstrumentsDialog(*this, file);
+     d->show_all();
+     d->resize(500, 400);
+     d->run();
+     if (d->fileWasChanged()) {
+         // update GUI with new instrument just created
+         add_instrument(d->newCombinedInstrument());
+     }
+     delete d;
+ }
+ void MainWindow::on_action_view_references() {
+     Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewSamples.get_selection();
+     Gtk::TreeModel::iterator it = sel->get_selected();
+     if (!it) return;
+     Gtk::TreeModel::Row row = *it;
+     gig::Sample* sample = row[m_SamplesModel.m_col_sample];
+     if (!sample) return;
+     ReferencesView* d = new ReferencesView(*this);
+     d->setSample(sample);
+     d->dimension_region_selected.connect(
+         sigc::mem_fun(*this, &MainWindow::select_dimension_region)
+     );
+     d->show_all();
+     d->resize(500, 400);
+     d->run();
+     delete d;
+ }
+ void MainWindow::mergeFiles(const std::vector<std::string>& filenames) {
+     struct _Source {
+         std::vector<RIFF::File*> riffs;
+         std::vector<gig::File*> gigs;
+         ~_Source() {
+             for (int k = 0; k < gigs.size(); ++k) delete gigs[k];
+             for (int k = 0; k < riffs.size(); ++k) delete riffs[k];
+             riffs.clear();
+             gigs.clear();
+         }
+     } sources;
+     if (filenames.empty())
+         throw RIFF::Exception(_("No files selected, so nothing done."));
+     // first open all input files (to avoid output file corruption)
+     int i;
+     try {
+         for (i = 0; i < filenames.size(); ++i) {
+             const std::string& filename = filenames[i];
+             printf("opening file=%s\n", filename.c_str());
+             RIFF::File* riff = new RIFF::File(filename);
+             sources.riffs.push_back(riff);
+             gig::File* gig = new gig::File(riff);
+             sources.gigs.push_back(gig);
+         }
+     } catch (RIFF::Exception e) {
+         throw RIFF::Exception(
+             _("Error occurred while opening '") +
+             filenames[i] +
+             "': " +
+             e.Message
+         );
+     } catch (...) {
+         throw RIFF::Exception(
+             _("Unknown exception occurred while opening '") +
+             filenames[i] + "'"
+         );
+     }
+     // now merge the opened .gig files to the main .gig file currently being
+     // open in gigedit
+     try {
+         for (i = 0; i < filenames.size(); ++i) {
+             const std::string& filename = filenames[i];
+             printf("merging file=%s\n", filename.c_str());
+             assert(i < sources.gigs.size());
+             this->file->AddContentOf(sources.gigs[i]);
+         }
+     } catch (RIFF::Exception e) {
+         throw RIFF::Exception(
+             _("Error occurred while merging '") +
+             filenames[i] +
+             "': " +
+             e.Message
+         );
+     } catch (...) {
+         throw RIFF::Exception(
+             _("Unknown exception occurred while merging '") +
+             filenames[i] + "'"
+         );
+     }
+     // Finally save gig file persistently to disk ...
+     //NOTE: requires that this gig file already has a filename !
+     {
+         std::cout << "Saving file\n" << std::flush;
+         file_structure_to_be_changed_signal.emit(this->file);
+         progress_dialog = new ProgressDialog( //FIXME: memory leak!
+             _("Saving") +  Glib::ustring(" '") +
+             Glib::filename_display_basename(this->filename) + "' ...",
+             *this
+         );
+         progress_dialog->show_all();
+         saver = new Saver(this->file); //FIXME: memory leak!
+         saver->signal_progress().connect(
+             sigc::mem_fun(*this, &MainWindow::on_saver_progress));
+         saver->signal_finished().connect(
+             sigc::mem_fun(*this, &MainWindow::on_saver_finished));
+         saver->signal_error().connect(
+             sigc::mem_fun(*this, &MainWindow::on_saver_error));
+         saver->launch();
+     }
+ }
+ void MainWindow::on_action_merge_files() {
+     if (this->file->GetFileName().empty()) {
+         Glib::ustring txt = _(
+             "You seem to have a new .gig file open that has not been saved "
+             "yet. You must save it somewhere before starting to merge it with "
+             "other .gig files though, because during the merge operation the "
+             "other files' sample data must be written on file level to the "
+             "target .gig file."
+         );
+         Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
+         msg.run();
+         return;
+     }
+     Gtk::FileChooserDialog dialog(*this, _("Merge .gig files"));
+     dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+     dialog.add_button(_("Merge"), Gtk::RESPONSE_OK);
+     dialog.set_default_response(Gtk::RESPONSE_CANCEL);
+ #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
+     Gtk::FileFilter filter;
+     filter.add_pattern("*.gig");
+ #else
+     Glib::RefPtr<Gtk::FileFilter> filter = Gtk::FileFilter::create();
+     filter->add_pattern("*.gig");
+ #endif
+     dialog.set_filter(filter);
+     if (current_gig_dir != "") {
+         dialog.set_current_folder(current_gig_dir);
+     }
+     dialog.set_select_multiple(true);
+     // show warning in the file picker dialog
+     Gtk::HBox descriptionArea;
+     descriptionArea.set_spacing(15);
+     Gtk::Image warningIcon(Gtk::Stock::DIALOG_WARNING, Gtk::IconSize(Gtk::ICON_SIZE_DIALOG));
+     descriptionArea.pack_start(warningIcon, Gtk::PACK_SHRINK);
+ #if GTKMM_MAJOR_VERSION < 3
+     view::WrapLabel description;
+ #else
+     Gtk::Label description;
+     description.set_line_wrap();
+ #endif
+     description.set_markup(_(
+         "\nSelect at least one .gig file that shall be merged to the .gig file "
+         "currently being open in gigedit.\n\n"
+         "<b>Please Note:</b> Merging with other files will modify your "
+         "currently open .gig file on file level! And be aware that the current "
+         "merge algorithm does not detect duplicate samples yet. So if you are "
+         "merging files which are using equivalent sample data, those "
+         "equivalent samples will currently be treated as separate samples and "
+         "will accordingly be stored separately in the target .gig file!"
+     ));
+     descriptionArea.pack_start(description);
+     dialog.get_vbox()->pack_start(descriptionArea, Gtk::PACK_SHRINK);
+     descriptionArea.show_all();
+     if (dialog.run() == Gtk::RESPONSE_OK) {
+         printf("on_action_merge_files self=%x\n", Glib::Threads::Thread::self());
+         std::vector<std::string> filenames = dialog.get_filenames();
+         // merge the selected files to the currently open .gig file
+         try {
+             mergeFiles(filenames);
+         } catch (RIFF::Exception e) {
+             Gtk::MessageDialog msg(*this, e.Message, false, Gtk::MESSAGE_ERROR);
+             msg.run();
+         }
+         // update GUI
+         __refreshEntireGUI();
+     }
+ }
+ void MainWindow::set_file_is_shared(bool b) {
+     this->file_is_shared = b;
+     if (file_is_shared) {
+         m_AttachedStateLabel.set_label(_("live-mode"));
+         m_AttachedStateImage.set(
+             Gdk::Pixbuf::create_from_xpm_data(status_attached_xpm)
+         );
+     } else {
+         m_AttachedStateLabel.set_label(_("stand-alone"));
+         m_AttachedStateImage.set(
+             Gdk::Pixbuf::create_from_xpm_data(status_detached_xpm)
+         );
+     }
+     {
+         Gtk::MenuItem* item = dynamic_cast<Gtk::MenuItem*>(
+             uiManager->get_widget("/MenuBar/MenuSettings/SyncSamplerInstrumentSelection"));
+         if (item) item->set_sensitive(b);
+     }
+ }
+ void MainWindow::on_sample_ref_count_incremented(gig::Sample* sample, int offset) {
+     if (!sample) return;
+     sample_ref_count[sample] += offset;
+     const int refcount = sample_ref_count[sample];
+     Glib::RefPtr<Gtk::TreeModel> model = m_TreeViewSamples.get_model();
+     for (int g = 0; g < model->children().size(); ++g) {
+         Gtk::TreeModel::Row rowGroup = model->children()[g];
+         for (int s = 0; s < rowGroup.children().size(); ++s) {
+             Gtk::TreeModel::Row rowSample = rowGroup.children()[s];
+             if (rowSample[m_SamplesModel.m_col_sample] != sample) continue;
+             rowSample[m_SamplesModel.m_col_refcount] = ToString(refcount) + " " + _("Refs.");
+             rowSample[m_SamplesModel.m_color] = refcount ? "black" : "red";
+         }
+     }
+ }
+ void MainWindow::on_sample_ref_changed(gig::Sample* oldSample, gig::Sample* newSample) {
+     on_sample_ref_count_incremented(oldSample, -1);
+     on_sample_ref_count_incremented(newSample, +1);
+ }
+ void MainWindow::on_samples_to_be_removed(std::list<gig::Sample*> samples) {
+     // just in case a new sample is added later with exactly the same memory
+     // address, which would lead to incorrect refcount if not deleted here
+     for (std::list<gig::Sample*>::const_iterator it = samples.begin();
+          it != samples.end(); ++it)
+     {
+         sample_ref_count.erase(*it);
+     }
+ }
+ void MainWindow::show_samples_tab() {
+     m_TreeViewNotebook.set_current_page(0);
+ }
+ void MainWindow::show_intruments_tab() {
+     m_TreeViewNotebook.set_current_page(1);
+ }
+ void MainWindow::show_scripts_tab() {
+     m_TreeViewNotebook.set_current_page(2);
+ }
+ sigc::signal<void, gig::File*>& MainWindow::signal_file_structure_to_be_changed() {
+     return file_structure_to_be_changed_signal;
+ }
+ sigc::signal<void, gig::File*>& MainWindow::signal_file_structure_changed() {
+     return file_structure_changed_signal;
+ }
+ sigc::signal<void, std::list<gig::Sample*> >& MainWindow::signal_samples_to_be_removed() {
+     return samples_to_be_removed_signal;
+ }
+ sigc::signal<void>& MainWindow::signal_samples_removed() {
+     return samples_removed_signal;
+ }
+ sigc::signal<void, gig::Region*>& MainWindow::signal_region_to_be_changed() {
+     return region_to_be_changed_signal;
+ }
+ sigc::signal<void, gig::Region*>& MainWindow::signal_region_changed() {
+     return region_changed_signal;
+ }
+ sigc::signal<void, gig::Sample*>& MainWindow::signal_sample_changed() {
+     return sample_changed_signal;
+ }
+ sigc::signal<void, gig::Sample*/*old*/, gig::Sample*/*new*/>& MainWindow::signal_sample_ref_changed() {
+     return sample_ref_changed_signal;
+ }
+ sigc::signal<void, gig::DimensionRegion*>& MainWindow::signal_dimreg_to_be_changed() {
+     return dimreg_to_be_changed_signal;
+ }
+ sigc::signal<void, gig::DimensionRegion*>& MainWindow::signal_dimreg_changed() {
+     return dimreg_changed_signal;
+ }
+ sigc::signal<void, int/*key*/, int/*velocity*/>& MainWindow::signal_note_on() {
+     return note_on_signal;
+ }
+ sigc::signal<void, int/*key*/, int/*velocity*/>& MainWindow::signal_note_off() {
+     return note_off_signal;
+ }
+ sigc::signal<void, int/*key*/, int/*velocity*/>& MainWindow::signal_keyboard_key_hit() {
+     return m_RegionChooser.signal_keyboard_key_hit();
+ }
+ sigc::signal<void, int/*key*/, int/*velocity*/>& MainWindow::signal_keyboard_key_released() {
+     return m_RegionChooser.signal_keyboard_key_released();
+ }
+ sigc::signal<void, gig::Instrument*>& MainWindow::signal_switch_sampler_instrument() {
+     return switch_sampler_instrument_signal;
  }

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