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editor_selection_list.cc

/*
    Copyright (C) 2000 Paul Davis 

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include <cstdlib>
#include <cmath>
#include <vector>

#include <gtkmm.h>

#include <ardour/named_selection.h>
#include <ardour/session_selection.h>
#include <ardour/playlist.h>

#include <gtkmm2ext/stop_signal.h>

#include "editor.h"
#include "keyboard.h"
#include "selection.h"
#include "time_axis_view.h"
#include "ardour_ui.h"
#include "prompter.h"

#include "i18n.h"

using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;

void
Editor::handle_new_named_selection ()
{
      ARDOUR_UI::instance()->call_slot (mem_fun(*this, &Editor::redisplay_named_selections));
}

void
Editor::add_named_selection_to_named_selection_display (NamedSelection& selection)
{
        TreeModel::Row row = *(named_selection_model->append());
      row[named_selection_columns.text] = selection.name;
      row[named_selection_columns.selection] = &selection;
}

void
Editor::redisplay_named_selections ()
{
      named_selection_model->clear ();
      session->foreach_named_selection (*this, &Editor::add_named_selection_to_named_selection_display);
}

bool
Editor::named_selection_display_key_release (GdkEventKey* ev)
{
      if (session == 0) {
            return true;
      }

      switch (ev->keyval) {
      case GDK_Delete:
            remove_selected_named_selections ();
            return true;
            break;
      default:
            return false;
            break;
      }

}

void
Editor::remove_selected_named_selections ()
{
      Glib::RefPtr<TreeSelection> selection = named_selection_display.get_selection();
      TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();

      if (selection->count_selected_rows() == 0) {
            return;
      }

      for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {

            TreeIter iter;

            if ((iter = named_selection_model->get_iter (*i))) {
                  session->remove_named_selection ((*iter)[named_selection_columns.selection]);
            }
      }
}

bool
Editor::named_selection_display_button_release (GdkEventButton *ev)
{
      TreeModel::Children rows = named_selection_model->children();
      TreeModel::Children::iterator i;
      Glib::RefPtr<TreeSelection> selection = named_selection_display.get_selection();

      for (i = rows.begin(); i != rows.end(); ++i) {
              if (selection->is_selected (i)) {
                    switch (ev->button) {
                  case 1:
                          if (Keyboard::is_delete_event (ev)) {
                                session->remove_named_selection ((*i)[named_selection_columns.selection]);
                              return true;
                        }
                        break;
                  case 2:
                          break;
                  case 3:
                          break;
                  default:
                          break;
                  }
            }
      }

      return false;
}


void
Editor::named_selection_display_selection_changed ()
{
}

void
Editor::create_named_selection ()
{
      string name;

      if (session == 0) {
            return;
      }

      /* check for a range-based selection */

      if (selection->time.empty()) {
            return;
      }
      
      TrackViewList *views = get_valid_views (selection->time.track, selection->time.group);

      if (views->empty()) {
            delete views;
            return;
      }

      boost::shared_ptr<Playlist>        what_we_found;
      list<boost::shared_ptr<Playlist> > thelist;

      for (TrackViewList::iterator i = views->begin(); i != views->end(); ++i) {
            
            boost::shared_ptr<Playlist> pl = (*i)->playlist();
            
            if (pl && (what_we_found = pl->copy (selection->time, false)) != 0) {
                  thelist.push_back (what_we_found);
            }
      }

      if (!thelist.empty()) {

            ArdourPrompter p;
            
            p.set_prompt (_("Name for Chunk:"));
            p.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
            p.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
            p.change_labels (_("Create Chunk"), _("Forget it"));
            p.show_all ();
            
            switch (p.run ()) {
                  
            case Gtk::RESPONSE_ACCEPT:
                  p.get_result (name);
                  if (name.empty()) {
                        return;
                  }     
                  break;
            default:
                  return;
            }

            new NamedSelection (name, thelist); // creation will add it to the model

            /* make the one we just added be selected */
            
            TreeModel::Children::iterator added = named_selection_model->children().end();
            --added;
            named_selection_display.get_selection()->select (*added);
      } else {
            error << _("No selectable material found in the currently selected time range") << endmsg;
      }
}


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