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

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

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-revision 2610 by schoenebeck,
Sun Jun  8 19:09:26 2014 UTC
+revision 2772 by schoenebeck,
Thu Jun 11 20:29:22 2015 UTC
 Line 1
  /*
-  * Copyright (C) 2006-2014 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 47
  #include "CombineInstrumentsDialog.h"
  #include "scripteditor.h"
  #include "scriptslots.h"
+ #include "ReferencesView.h"
  #include "../../gfx/status_attached.xpm"
  #include "../../gfx/status_detached.xpm"
  MainWindow::MainWindow() :
+     m_DimRegionChooser(*this),
      dimreg_label(_("Changes apply to:")),
      dimreg_all_regions(_("all regions")),
      dimreg_all_dimregs(_("all dimension splits")),
-Line 145 
 MainWindow::MainWindow() :
+Line 147 
 MainWindow::MainWindow() :
      actionGroup->add(Gtk::Action::create("Quit", Gtk::Stock::QUIT),
                       sigc::mem_fun(
                           *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")));
-Line 173 
 MainWindow::MainWindow() :
+Line 186 
 MainWindow::MainWindow() :
      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",
-Line 204 
 MainWindow::MainWindow() :
+Line 221 
 MainWindow::MainWindow() :
          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)
+     );
      actionGroup->add(Gtk::Action::create("MenuTools", _("_Tools")));
-Line 236 
 MainWindow::MainWindow() :
+Line 261 
 MainWindow::MainWindow() :
          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)
-Line 282 
 MainWindow::MainWindow() :
+Line 320 
 MainWindow::MainWindow() :
          "      <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'/>"
-Line 293 
 MainWindow::MainWindow() :
+Line 361 
 MainWindow::MainWindow() :
          "    </menu>"
          "    <menu action='MenuSettings'>"
          "      <menuitem action='WarnUserOnExtensions'/>"
+         "      <menuitem action='SyncSamplerInstrumentSelection'/>"
          "    </menu>"
          "    <menu action='MenuHelp'>"
          "      <menuitem action='About'/>"
-Line 311 
 MainWindow::MainWindow() :
+Line 380 
 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'/>"
-Line 353 
 MainWindow::MainWindow() :
+Line 425 
 MainWindow::MainWindow() :
      }
      {
          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/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."));
      }
-Line 364 
 MainWindow::MainWindow() :
+Line 455 
 MainWindow::MainWindow() :
      instrument_menu = static_cast<Gtk::MenuItem*>(
-         uiManager->get_widget("/MenuBar/MenuInstrument"))->get_submenu();
+         uiManager->get_widget("/MenuBar/MenuInstrument/AllInstruments"))->get_submenu();
      Gtk::Widget* menuBar = uiManager->get_widget("/MenuBar");
      m_VBox.pack_start(*menuBar, Gtk::PACK_SHRINK);
-Line 390 
 MainWindow::MainWindow() :
+Line 481 
 MainWindow::MainWindow() :
      // Create the Tree model:
      m_refTreeModel = Gtk::ListStore::create(m_Columns);
      m_TreeView.set_model(m_refTreeModel);
-     m_TreeView.set_tooltip_text(_("Right click here for actions on instruments & MIDI Rules."));
+     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)
      );
-Line 398 
 MainWindow::MainWindow() :
+Line 489 
 MainWindow::MainWindow() :
      // 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 417 
 MainWindow::MainWindow() :
+Line 543 
 MainWindow::MainWindow() :
      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!"
      ));
-Line 426 
 MainWindow::MainWindow() :
+Line 554 
 MainWindow::MainWindow() :
      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)
      );
-Line 474 
 MainWindow::MainWindow() :
+Line 606 
 MainWindow::MainWindow() :
          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(
-Line 599 
 void MainWindow::dimreg_all_dimregs_togg
+Line 741 
 void MainWindow::dimreg_all_dimregs_togg
  void MainWindow::dimreg_changed()
  {
      update_dimregs();
-     dimreg_edit.set_dim_region(m_DimRegionChooser.get_dimregion());
+     dimreg_edit.set_dim_region(m_DimRegionChooser.get_main_dimregion());
  }
  void MainWindow::on_sel_change()
-Line 615 
 void MainWindow::on_sel_change()
+Line 757 
 void MainWindow::on_sel_change()
      }
      m_RegionChooser.set_instrument(get_instrument());
+     if (Settings::singleton()->syncSamplerInstrumentSelection) {
+         switch_sampler_instrument_signal.emit(get_instrument());
+     }
  }
  void loader_progress_callback(gig::progress_t* progress)
-Line 635 
 void Loader::progress_callback(float fra
+Line 781 
 void Loader::progress_callback(float fra
  void Loader::thread_function()
  {
      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)
-     : filename(filename), thread(0)
+     : filename(filename), thread(0), progress(0.f)
  {
  }
-Line 682 
 Glib::Dispatcher& Loader::signal_finishe
+Line 836 
 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
-Line 697 
 void MainWindow::__clear() {
+Line 939 
 void MainWindow::__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);
-Line 711 
 void MainWindow::__refreshEntireGUI() {
+Line 954 
 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);
-Line 753 
 bool MainWindow::close_confirmation_dial
+Line 997 
 bool MainWindow::close_confirmation_dial
      dialog.set_default_response(Gtk::RESPONSE_YES);
      int response = dialog.run();
      dialog.hide();
-     if (response == Gtk::RESPONSE_YES) return file_save();
-     return response != Gtk::RESPONSE_CANCEL;
+     // 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() {
-Line 805 
 void MainWindow::on_action_file_open()
+Line 1064 
 void MainWindow::on_action_file_open()
  void MainWindow::load_file(const char* name)
  {
      __clear();
-     load_dialog = new LoadDialog(_("Loading..."), *this);
-     load_dialog->show_all();
+     progress_dialog = new ProgressDialog( //FIXME: memory leak!
-     loader = new Loader(strdup(name));
+         _("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 827 
 void MainWindow::load_instrument(gig::In
+Line 1093 
 void MainWindow::load_instrument(gig::In
      // load the instrument
      gig::File* pFile = (gig::File*) instr->GetParent();
      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::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()
-Line 879 
 bool MainWindow::file_save()
+Line 1174 
 bool MainWindow::file_save()
      std::cout << "Saving file\n" << std::flush;
      file_structure_to_be_changed_signal.emit(this->file);
-     try {
-         file->Save();
+     progress_dialog = new ProgressDialog( //FIXME: memory leak!
-         if (file_is_changed) {
+         _("Saving") +  Glib::ustring(" '") +
-             set_title(get_title().substr(1));
+         Glib::filename_display_basename(this->filename) + "' ...",
-             file_is_changed = false;
+         *this
-         }
+     );
-     } catch (RIFF::Exception e) {
+     progress_dialog->show_all();
-         file_structure_changed_signal.emit(this->file);
+     saver = new Saver(this->file); //FIXME: memory leak!
-         Glib::ustring txt = _("Could not save file: ") + e.Message;
+     saver->signal_progress().connect(
-         Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
+         sigc::mem_fun(*this, &MainWindow::on_saver_progress));
-         msg.run();
+     saver->signal_finished().connect(
-         return false;
+         sigc::mem_fun(*this, &MainWindow::on_saver_finished));
-     }
+     saver->signal_error().connect(
-     std::cout << "Saving file done\n" << std::flush;
+         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);
-     return true;
+     __refreshEntireGUI();
+     progress_dialog->hide();
  }
  void MainWindow::on_action_file_save_as()
-Line 960 
 bool MainWindow::file_save_as()
+Line 1286 
 bool MainWindow::file_save_as()
      descriptionArea.show_all();
      if (dialog.run() == Gtk::RESPONSE_OK) {
-         file_structure_to_be_changed_signal.emit(this->file);
+         std::string filename = dialog.get_filename();
-         try {
+         if (!Glib::str_has_suffix(filename, ".gig")) {
-             std::string filename = dialog.get_filename();
+             filename += ".gig";
-             if (!Glib::str_has_suffix(filename, ".gig")) {
-                 filename += ".gig";
-             }
-             printf("filename=%s\n", filename.c_str());
-             file->Save(filename);
-             this->filename = filename;
-             current_gig_dir = Glib::path_get_dirname(filename);
-             set_title(Glib::filename_display_basename(filename));
-             file_has_name = true;
-             file_is_changed = false;
-         } catch (RIFF::Exception e) {
-             file_structure_changed_signal.emit(this->file);
-             Glib::ustring txt = _("Could not save file: ") + e.Message;
-             Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
-             msg.run();
-             return false;
          }
-         __import_queued_samples();
+         printf("filename=%s\n", filename.c_str());
-         file_structure_changed_signal.emit(this->file);
+         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;
-Line 1092 
 void MainWindow::on_action_warn_user_on_
+Line 1418 
 void MainWindow::on_action_warn_user_on_
          !Settings::singleton()->warnUserOnExtensions;
  }
+ void MainWindow::on_action_sync_sampler_instrument_selection() {
+     Settings::singleton()->syncSamplerInstrumentSelection =
+         !Settings::singleton()->syncSamplerInstrumentSelection;
+ }
  void MainWindow::on_action_help_about()
  {
      Gtk::AboutDialog dialog;
-Line 1101 
 void MainWindow::on_action_help_about()
+Line 1432 
 void MainWindow::on_action_help_about()
      dialog.set_name("Gigedit");
  #endif
      dialog.set_version(VERSION);
-     dialog.set_copyright("Copyright (C) 2006-2014 Andreas Persson");
+     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"
-             "Please notice that this is still a very young instrument editor. "
+             "This program is distributed WITHOUT ANY WARRANTY; So better "
-             "So better backup your Gigasampler files before editing them with "
+             "backup your Gigasampler/GigaStudio files before editing them with "
              "this application.\n"
              "\n"
              "Please report bugs to: http://bugs.linuxsampler.org"
-Line 1358 
 void MainWindow::file_changed()
+Line 1689 
 void MainWindow::file_changed()
      }
  }
+ void MainWindow::updateSampleRefCountMap(gig::File* gig) {
+     sample_ref_count.clear();
+     if (!gig) return;
+     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, bool isSharedInstrument)
  {
      file = 0;
      set_file_is_shared(isSharedInstrument);
-     this->filename = filename ? filename : _("Unsaved Gig File");
+     this->filename =
+         (filename && strlen(filename) > 0) ?
+             filename : (!gig->GetFileName().empty()) ?
+                 gig->GetFileName() : _("Unsaved Gig File");
      set_title(Glib::filename_display_basename(this->filename));
      file_has_name = filename;
      file_is_changed = false;
-Line 1384 
 void MainWindow::load_gig(gig::File* gig
+Line 1739 
 void MainWindow::load_gig(gig::File* gig
          add_instrument_to_menu(name);
      }
      instrument_name_connection.unblock();
-     uiManager->get_widget("/MenuBar/MenuInstrument")->show();
+     uiManager->get_widget("/MenuBar/MenuInstrument/AllInstruments")->show();
+     updateSampleRefCountMap(gig);
      for (gig::Group* group = gig->GetFirstGroup(); group; group = gig->GetNextGroup()) {
          if (group->Name != "") {
-Line 1402 
 void MainWindow::load_gig(gig::File* gig
+Line 1759 
 void MainWindow::load_gig(gig::File* gig
                      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";
              }
          }
      }
-Line 1425 
 void MainWindow::load_gig(gig::File* gig
+Line 1785 
 void MainWindow::load_gig(gig::File* gig
              rowScript[m_ScriptsModel.m_col_group]  = NULL;
          }
      }
-     // unfold all script groups by default
+     // unfold all sample groups & script groups by default
+     m_TreeViewSamples.expand_all();
      m_TreeViewScripts.expand_all();
      file = gig;
-Line 1511 
 void MainWindow::show_script_slots() {
+Line 1872 
 void MainWindow::show_script_slots() {
      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"));
-Line 1558 
 void MainWindow::on_button_release(GdkEv
+Line 1923 
 void MainWindow::on_button_release(GdkEv
          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(
-                 !(file->pVersion && file->pVersion->major == 2));
+                 bEnabled
+             );
          popup_menu->popup(button->button, button->time);
      }
  }
-Line 1580 
 void MainWindow::on_instrument_selection
+Line 1951 
 void MainWindow::on_instrument_selection
      }
  }
+ 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) {
      if (button->type == GDK_BUTTON_PRESS && button->button == 3) {
          Gtk::Menu* sample_popup =
-Line 1594 
 void MainWindow::on_sample_treeview_butt
+Line 2036 
 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);
      }
  }
-Line 1631 
 void MainWindow::on_script_treeview_butt
+Line 2088 
 void MainWindow::on_script_treeview_butt
              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);
      }
  }
-Line 1908 
 void MainWindow::on_action_add_group() {
+Line 2374 
 void MainWindow::on_action_add_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
      // matches all file types supported by libsndfile
  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
-Line 2000 
 void MainWindow::on_action_add_sample()
+Line 2478 
 void MainWindow::on_action_add_sample()
                          sf_close(hFile); // close sound file
                          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
                  Glib::ustring filename = Glib::filename_display_basename(*iter);
                  // remove file extension if there is one
-Line 2052 
 void MainWindow::on_action_add_sample()
+Line 2530 
 void MainWindow::on_action_add_sample()
                  // 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 2060 
 void MainWindow::on_action_add_sample()
+Line 2538 
 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] =
+                     Gtk::TreeModel::iterator iterSample =
-                     gig_to_utf8(sample->pInfo->Name);
+                         m_refSamplesTreeModel->append(row.children());
-                 rowSample[m_SamplesModel.m_col_sample] = sample;
+                     Gtk::TreeModel::Row rowSample = *iterSample;
-                 rowSample[m_SamplesModel.m_col_group]  = NULL;
+                     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();
-Line 2077 
 void MainWindow::on_action_add_sample()
+Line 2559 
 void MainWindow::on_action_add_sample()
          }
          // show error message box when some file(s) could not be opened / added
          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();
          }
-Line 2261 
 void MainWindow::on_action_remove_sample
+Line 2747 
 void MainWindow::on_action_remove_sample
      }
  }
+ 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)
  {
-Line 2287 
 void MainWindow::on_scripts_treeview_dra
+Line 2838 
 void MainWindow::on_scripts_treeview_dra
                         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
-Line 2438 
 void MainWindow::script_name_changed(con
+Line 3045 
 void MainWindow::script_name_changed(con
      }
  }
+ 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;
-Line 2484 
 void MainWindow::on_action_combine_instr
+Line 3106 
 void MainWindow::on_action_combine_instr
      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;
-Line 2551 
 void MainWindow::mergeFiles(const std::v
+Line 3192 
 void MainWindow::mergeFiles(const std::v
          );
      }
-     // Note: requires that this file already has a filename !
+     // Finally save gig file persistently to disk ...
-     this->file->Save();
+     //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() {
-Line 2624 
 void MainWindow::on_action_merge_files()
+Line 3284 
 void MainWindow::on_action_merge_files()
          }
          // update GUI
          __refreshEntireGUI();
      }
  }
-Line 2642 
 void MainWindow::set_file_is_shared(bool
+Line 3302 
 void MainWindow::set_file_is_shared(bool
              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() {
-Line 2699 
 sigc::signal<void, int/*key*/, int/*velo
+Line 3409 
 sigc::signal<void, int/*key*/, int/*velo
  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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+Added in v.2772

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