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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.

    $Id: editor_selection_list.cc,v 1.10 2004/02/22 23:03:59 taybin Exp $
*/

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

#include <gtk--.h>

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

#include <gtkmmext/stop_signal.h>

#include "editor.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 Gtk;
using namespace Gtkmmext;

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

void
Editor::add_named_selection_to_named_selection_display (NamedSelection& selection)
{
      const gchar *row[1];

      row[0] = selection.name.c_str();
      named_selection_display.rows().push_back (row);
      named_selection_display.rows().back().set_data (&selection);
}

void
Editor::redisplay_named_selections ()
{
      named_selection_display.freeze ();
      named_selection_display.clear ();
      session->foreach_named_selection (*this, &Editor::add_named_selection_to_named_selection_display);
      named_selection_display.thaw ();
}

gint
Editor::named_selection_display_button_press (GdkEventButton *ev)
{
      NamedSelection* named_selection;
      gint row;
      gint col;

      switch (ev->button) {
      case 1:
            if (Keyboard::is_delete_event (ev)) {
                  if (named_selection_display.get_selection_info ((int)ev->x, (int)ev->y, &row, &col) != 0) {
                        if ((named_selection = reinterpret_cast<NamedSelection *> (named_selection_display.get_row_data (row))) != 0) {
                              session->remove_named_selection (named_selection);
                              return stop_signal (named_selection_display, "button_press_event");
                        }
                  }
            } 
            break;

      case 2:
            break;

      case 3:
            break;
      default:
            break;
      }
      return FALSE;
}


void
Editor::named_selection_display_selected (gint row, gint col, GdkEvent *ev)
{
}

void
Editor::named_selection_display_unselected (gint row, gint col, GdkEvent *ev)
{
}

void
Editor::name_selection ()
{
      ArdourPrompter p;

      p.set_prompt (_("name for chunk:"));
      p.done.connect (slot (*this, &Editor::named_selection_name_chosen));
      p.change_labels (_("Create chunk"), _("Forget it"));
      p.show_all ();

      Gtk::Main::run ();

      if (p.status == Prompter::entered) {
            string name;
            p.get_result (name);
            
            if (name.length()){
                  create_named_selection (name);
            }
      }
}

void
Editor::named_selection_name_chosen ()
{
      Gtk::Main::quit ();
}

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;
      }

      Playlist*       what_we_found;
      list<Playlist*> thelist;

      for (TrackViewList::iterator i = views->begin(); i != views->end(); ++i) {
            
            Playlist *pl = (*i)->playlist();
            
            if (pl) {
                  
                  if ((what_we_found = pl->copy (selection->time, false)) != 0) {

                        thelist.push_back (what_we_found);
                  }
            }
      }

      NamedSelection* ns;

      ns = new NamedSelection (name, thelist);

      /* make the one we just added be selected */

      named_selection_display.rows().back().select ();
}


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