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redirect_box.cc

/*
    Copyright (C) 2000-2004 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: redirect_box.cc,v 1.18 2005/08/03 21:12:45 pauld Exp $
*/

#include <cmath>
#include <glib.h>

#include <sigc++/bind.h>

#include <gtkmmext/gtk_ui.h>
#include <gtkmmext/utils.h>
#include <gtkmmext/choice.h>
#include <gtkmmext/utils.h>
#include <gtkmmext/stop_signal.h>
#include <gtkmmext/doi.h>

#include <ardour/ardour.h>
#include <ardour/session.h>
#include <ardour/audioengine.h>
#include <ardour/route.h>
#include <ardour/audio_track.h>
#include <ardour/diskstream.h>
#include <ardour/send.h>
#include <ardour/insert.h>
#include <ardour/ladspa_plugin.h>
#include <ardour/connection.h>
#include <ardour/session_connection.h>

#include "ardour_ui.h"
#include "ardour_dialog.h"
#include "ardour_message.h"
#include "public_editor.h"
#include "redirect_box.h"
#include "keyboard.h"
#include "plugin_selector.h"
#include "route_redirect_selection.h"
#include "mixer_ui.h"

#include "plugin_ui.h"
#include "send_ui.h"
#include "io_selector.h"
#include "utils.h"
#include "gui_thread.h"

#include "i18n.h"

using namespace SigC;
using namespace ARDOUR;
using namespace Gtk;
using namespace Gtkmmext;



RedirectBox::RedirectBox (Placement pcmnt, Session& sess, Route& rt, PluginSelector &plugsel, RouteRedirectSelection & rsel, bool owner_is_mixer)
      : _route(rt), 
        _session(sess), 
        _owner_is_mixer (owner_is_mixer), 
        _placement(pcmnt), 
        _plugin_selector(plugsel), 
        _rr_selection(rsel), 
        redirect_display (1)
{
      _width = Wide;
      redirect_menu = 0;
      send_action_menu = 0;
      redirect_drag_in_progress = false;
      
      redirect_display.set_name ("MixerRedirectSelector");
      redirect_display.column_titles_active ();
      redirect_display.set_reorderable (true);
      redirect_display.set_button_actions (0, (GTK_BUTTON_SELECTS|GTK_BUTTON_DRAGS));
      redirect_display.set_button_actions (1, 0);
      redirect_display.set_button_actions (2, 0);
      redirect_display.set_button_actions (3, 0);
      redirect_display.drag_begin.connect (slot (*this, &RedirectBox::redirect_drag_begin));
      redirect_display.drag_end.connect (slot (*this, &RedirectBox::redirect_drag_end));
      redirect_display.set_usize (-1, 48);
      redirect_display.set_selection_mode (GTK_SELECTION_MULTIPLE);
      redirect_display.set_shadow_type (GTK_SHADOW_IN);
      redirect_display.row_move.connect (slot (*this, &RedirectBox::redirects_reordered));

      redirect_scroller.set_policy (GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);

      redirect_scroller.add (redirect_display);
      redirect_eventbox.add (redirect_scroller);
      pack_start (redirect_eventbox, true, true);

      redirect_scroller.show ();
      redirect_display.show ();
      redirect_eventbox.show ();
      show_all ();

      _route.redirects_changed.connect (slot (*this, &RedirectBox::redirects_changed));

      redirect_display.button_press_event.connect (slot (*this, &RedirectBox::redirect_button));
      redirect_display.button_release_event.connect (slot (*this, &RedirectBox::redirect_button));

      redirect_display.button_release_event.connect_after (slot (do_not_propagate));
      _plugin_selector.hide.connect(slot(*this,&RedirectBox::disconnect_newplug));

      redirect_display.click_column.connect (slot (*this, &RedirectBox::show_redirect_menu));
      
      set_stuff_from_route ();

      /* start off as a passthru strip. we'll correct this, if necessary,
         in update_diskstream_display().
      */

      //set_name ("AudioTrackStripBase");

      /* now force an update of all the various elements */

      redirects_changed (0);

      //add_events (GDK_BUTTON_RELEASE_MASK);
}

RedirectBox::~RedirectBox ()
{
//    GoingAway(); /* EMIT_SIGNAL */

}

void
RedirectBox::set_stuff_from_route ()
{
}

void
RedirectBox::set_title (const std::string & title)
{
      redirect_display.column(0).set_title (title);
}

void
RedirectBox::set_title_shown (bool flag)
{
      if (flag) {
            redirect_display.column_titles_show();
      } else {
            redirect_display.column_titles_hide();
      }
}


void
RedirectBox::update()
{
      redirects_changed(0);
}


void
RedirectBox::set_width (Width w)
{
      if (_width == w) {
            return;
      }
      _width = w;

      redirects_changed(0);
}


void
RedirectBox::remove_redirect_gui (Redirect *redirect)
{
      Insert *insert = 0;
      Send *send = 0;
      PortInsert *port_insert = 0;

      if ((insert = dynamic_cast<Insert *> (redirect)) != 0) {

            if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
                  PortInsertUI *io_selector = reinterpret_cast<PortInsertUI *> (port_insert->get_gui());
                  port_insert->set_gui (0);
                  delete io_selector;
            } 

      } else if ((send = dynamic_cast<Send *> (insert)) != 0) {
            SendUIWindow *sui = reinterpret_cast<SendUIWindow*> (send->get_gui());
            send->set_gui (0);
            delete sui;
      }
}

void 
RedirectBox::build_send_action_menu ()

{
      using namespace Menu_Helpers;

      send_action_menu = new Menu;
      send_action_menu->set_name ("ArdourContextMenu");
      MenuList& items = send_action_menu->items();

      items.push_back (MenuElem (_("New send"), slot (*this, &RedirectBox::new_send)));
      items.push_back (MenuElem (_("Show send controls"), slot (*this, &RedirectBox::show_send_controls)));
}

void
RedirectBox::show_send_controls ()

{
}

void
RedirectBox::new_send ()

{
}

void
RedirectBox::show_redirect_menu (gint arg)
{
      if (redirect_menu == 0) {
            redirect_menu = build_redirect_menu (redirect_display);
      }

      redirect_menu->popup (1, 0);
}

void
RedirectBox::redirect_drag_begin (GdkDragContext *context)
{
      redirect_drag_in_progress = true;
}

void
RedirectBox::redirect_drag_end (GdkDragContext *context)
{
      redirect_drag_in_progress = false;
}

gint
RedirectBox::redirect_button (GdkEventButton *ev)
{
      gint row=-1, col=-1;
      Redirect *redirect;
      CList *clist = &redirect_display;

      if (clist->get_selection_info ((int)ev->x, (int)ev->y, &row, &col) != 1) {
            redirect = 0;
      } else {
            redirect = reinterpret_cast<Redirect *> (clist->row (row).get_data ());
      }

      switch (ev->type) {
      case GDK_BUTTON_PRESS:
            return FALSE;

      case GDK_2BUTTON_PRESS:
            if (ev->state != 0) {
                  return FALSE;
            }
            /* might be edit event, see below */
            break;

      case GDK_BUTTON_RELEASE:
            if (redirect_drag_in_progress) {
                  // drag-n-drop reordering 
                  return stop_signal (*clist, "button-release-event");
            }
            /* continue on */
            break;

      default:
            /* shouldn't be here, but gcc complains */
            return FALSE;
      }

      if (redirect && Keyboard::is_delete_event (ev)) {
            
            Gtk::Main::idle.connect (bind (slot (*this, &RedirectBox::idle_delete_redirect), redirect));
            return TRUE;

      } else if (redirect && (Keyboard::is_edit_event (ev) || ev->type == GDK_2BUTTON_PRESS)) {
            
            if (_session.engine().connected()) {
                  /* XXX giving an error message here is hard, because we may be in the midst of a button press */
                  edit_redirect (redirect);
            }
            return TRUE;

      } else if (Keyboard::is_context_menu_event (ev)) {
            show_redirect_menu(0);
            return stop_signal (*clist, "button-release-event");

      } else {
            switch (ev->button) {
            case 1:
                  if (redirect) {
                        using namespace CList_Helpers;
                        SelectionList& sel (redirect_display.selection());
                        bool selecting = true;
                        
                        for (SelectionIterator i = sel.begin(); i != sel.end(); ++i) {
                              if ((*i).get_row_num() == row) {
                                    // clicked row is not selected yet, so it is
                                    // becoming selected now
                                    selecting = false;
                                    break;
                              }
                        }

                        if (selecting) {
                              RedirectSelected (redirect); // emit
                        }
                        else {
                              RedirectUnselected (redirect); // emit
                        }
                  }
                  return FALSE;
                  break;

            case 2:
                  if (redirect) {
                        redirect->set_active (!redirect->active(), this);
                  }
                  break;

            case 3:
                  break;

            default:
                  return FALSE;
            }
      }

      return TRUE;
}

Menu *
RedirectBox::build_redirect_menu (CList& clist)
{
      using namespace Menu_Helpers;
      Menu * menu = new Menu;
      menu->set_name ("ArdourContextMenu");
      MenuList& items = menu->items();
      menu->set_name ("ArdourContextMenu");
      
      /* new stuff */
      
      items.push_back (MenuElem (_("New Plugin ..."), slot (*this, &RedirectBox::choose_plugin)));
      items.push_back (MenuElem (_("New Insert"), slot (*this, &RedirectBox::choose_insert)));
      items.push_back (MenuElem (_("New Send ..."), slot (*this, &RedirectBox::choose_send)));
      items.push_back (SeparatorElem());
      items.push_back (MenuElem (_("Clear"), slot (*this, &RedirectBox::clear_redirects)));
      items.push_back (SeparatorElem());

      /* standard editing stuff */

      items.push_back (MenuElem (_("Cut"), slot (*this, &RedirectBox::cut_redirects)));
      selection_dependent_items.push_back (items.back());
      items.push_back (MenuElem (_("Copy"), slot (*this, &RedirectBox::copy_redirects)));
      selection_dependent_items.push_back (items.back());
      items.push_back (MenuElem (_("Paste"), slot (*this, &RedirectBox::paste_redirects)));
      redirect_paste_item = items.back();
      
      items.push_back (SeparatorElem());
      items.push_back (MenuElem (_("Rename"), slot (*this, &RedirectBox::rename_redirects)));

      items.push_back (SeparatorElem());
      items.push_back (MenuElem (_("Select all"), slot (*this, &RedirectBox::select_all_redirects)));
      items.push_back (MenuElem (_("Deselect all"), slot (*this, &RedirectBox::deselect_all_redirects)));

#if LATER
      Menu *select_sub_menu = manage (new Menu);
      MenuList& sitems = select_sub_menu->items();
      select_sub_menu->set_name ("ArdourContextMenu");
      
      sitems.push_back (MenuElem (_("Plugins")));
      sitems.push_back (MenuElem (_("Inserts")));
      sitems.push_back (MenuElem (_("Sends")));
      sitems.push_back (SeparatorElem());

      items.push_back (MenuElem (_("Select all ..."), *select_sub_menu));
#endif      
      /* activation */
                                         
      items.push_back (SeparatorElem());
      items.push_back (MenuElem (_("Activate"), bind (slot (*this, &RedirectBox::for_selected_redirects),
                                          &RedirectBox::activate_redirect)));
      selection_dependent_items.push_back (items.back());
      items.push_back (MenuElem (_("Deactivate"), bind (slot (*this, &RedirectBox::for_selected_redirects),
                                             &RedirectBox::deactivate_redirect)));
      selection_dependent_items.push_back (items.back());
      items.push_back (SeparatorElem());

      items.push_back (MenuElem (_("Activate All"), bind (slot (*this, &RedirectBox::all_redirects_active), true)));
      items.push_back (MenuElem (_("Deactivate All"), bind (slot (*this, &RedirectBox::all_redirects_active), false)));

      /* show editors */

      items.push_back (SeparatorElem());
      items.push_back (MenuElem (_("Edit"), bind (slot (*this, &RedirectBox::for_selected_redirects),
                                        &RedirectBox::edit_redirect)));
      selection_dependent_items.push_back (items.back());

      menu->map_event.connect (slot (*this, &RedirectBox::redirect_menu_map_handler));

      return menu;
}

gint
RedirectBox::redirect_menu_map_handler (GdkEventAny *ev)
{
      using namespace Menu_Helpers;
      using namespace CList_Helpers;

      Gtk::CList* clist = &redirect_display;

      bool sensitive = !clist->selection().empty();

      for (vector<MenuItem*>::iterator i = selection_dependent_items.begin(); i != selection_dependent_items.end(); ++i) {
            (*i)->set_sensitive (sensitive);
      }

      redirect_paste_item->set_sensitive (!_rr_selection.redirects.empty());
      return FALSE;
}

void
RedirectBox::select_all_redirects ()
{
      redirect_display.selection().all();
}

void
RedirectBox::deselect_all_redirects ()
{
      redirect_display.selection().clear ();
}

void
RedirectBox::choose_plugin ()
{
      show_plugin_selector();
}

void
RedirectBox::insert_plugin_chosen (Plugin *plugin)
{
      if (plugin) {

            Redirect *redirect = new PluginInsert (_session, *plugin, _placement);
            
            redirect->active_changed.connect (slot (*this, &RedirectBox::show_redirect_active));

            uint32_t err_streams;

            if (_route.add_redirect (redirect, this, &err_streams)) {
                  wierd_plugin_dialog (*plugin, err_streams, _route);
                  delete redirect;
            }
      }
}

void
RedirectBox::wierd_plugin_dialog (Plugin& p, uint32_t streams, IO& io)
{
      ArdourDialog dialog ("wierd plugin dialog");
      Label label;
      Button button (_("OK"));
      VBox vpacker;
      HBox button_box;

      /* i hate this kind of code */

      if (streams > p.get_info().n_inputs) {
            label.set_text (compose (_(
"You attempted to add a plugin (%1).\n"
"The plugin has %2 inputs\n"
"but at the insertion point, there are\n"
"%3 active signal streams.\n"
"\n"
"This makes no sense - you are throwing away\n"
"part of the signal."),
                               p.name(),
                               p.get_info().n_inputs,
                               streams));
      } else if (streams < p.get_info().n_inputs) {
            label.set_text (compose (_(
"You attempted to add a plugin (%1).\n"
"The plugin has %2 inputs\n"
"but at the insertion point there are\n"
"only %3 active signal streams.\n"
"\n"
"This makes no sense - unless the plugin supports\n"
"side-chain inputs. A future version of Ardour will\n"
"support this type of configuration."),
                               p.name(),
                               p.get_info().n_inputs,
                               streams));
      } else {
            label.set_text (compose (_(
"You attempted to add a plugin (%1).\n"
"\n"
"The I/O configuration doesn't make sense:\n"
"\n" 
"The plugin has %2 inputs and %3 outputs.\n"
"The track/bus has %4 inputs and %5 outputs.\n"
"The insertion point, has %6 active signals.\n"
"\n"
"Ardour does not understand what to do in such situations.\n"),
                               p.name(),
                               p.get_info().n_inputs,
                               p.get_info().n_outputs,
                               io.n_inputs(),
                               io.n_outputs(),
                               streams));
      }

      button_box.pack_start (button, false, true);

      vpacker.set_spacing (12);
      vpacker.set_border_width (12);
      vpacker.pack_start (label);
      vpacker.pack_start (button_box);

      button.clicked.connect (bind (slot (dialog, &ArdourDialog::stop), 0));

      dialog.add (vpacker);
      dialog.set_name (X_("PluginIODialog"));
      dialog.set_position (GTK_WIN_POS_MOUSE);
      dialog.set_modal (true);
      dialog.show_all ();

      dialog.realize();
      dialog.get_window().set_decorations (GdkWMDecoration (GDK_DECOR_BORDER|GDK_DECOR_RESIZEH));

      dialog.run ();
}

void
RedirectBox::choose_insert ()
{
      Redirect *redirect = new PortInsert (_session, _placement);
      redirect->active_changed.connect (slot (*this, &RedirectBox::show_redirect_active));
      _route.add_redirect (redirect, this);
}

void
RedirectBox::choose_send ()
{
      Send *send = new Send (_session, _placement);

      /* XXX need redirect lock on route */

      send->ensure_io (0, _route.max_redirect_outs(), false, this);
      
      IOSelectorWindow *ios = new IOSelectorWindow (_session, *send, false, true);
      
      ios->show_all ();
      ios->selector().Finished.connect (bind (slot (*this, &RedirectBox::send_io_finished), static_cast<Redirect*>(send), ios));
}

void
RedirectBox::send_io_finished (IOSelector::Result r, Redirect* redirect, IOSelectorWindow* ios)
{
      switch (r) {
      case IOSelector::Cancelled:
            delete redirect;
            break;

      case IOSelector::Accepted:
            _route.add_redirect (redirect, this);
            break;
      }

      delete_when_idle (ios);
}

void 
RedirectBox::disconnect_newplug ()
{
    newplug_connection.disconnect();
}
void
RedirectBox::show_plugin_selector ()
{
      newplug_connection = _plugin_selector.PluginCreated.connect (slot (*this,&RedirectBox::insert_plugin_chosen));
      _plugin_selector.show_all ();
}

void
RedirectBox::redirects_changed (void *src)
{
      ENSURE_GUI_THREAD(bind (slot (*this, &RedirectBox::redirects_changed), src));
      
      redirect_display.freeze ();
      redirect_display.clear ();
      redirect_active_connections.clear ();
      redirect_name_connections.clear ();

      _route.foreach_redirect (this, &RedirectBox::add_redirect_to_display);

      switch (_placement) {
      case PreFader:
            build_redirect_tooltip(redirect_display, redirect_eventbox, _("Pre-fader inserts, sends & plugins:"));
            break;
      case PostFader:
            build_redirect_tooltip(redirect_display, redirect_eventbox, _("Post-fader inserts, sends & plugins:"));
            break;
      }
      redirect_display.thaw ();
}

void
RedirectBox::add_redirect_to_display (Redirect *redirect)
{
      const gchar *rowdata[1];
      gint row;
      CList *clist = 0;

      if (redirect->placement() != _placement) {
            return;
      }
      
      clist = &redirect_display;

      string rname = redirect_name (*redirect);
      rowdata[0] = rname.c_str();
      clist->rows().push_back (rowdata);
      row = clist->rows().size() - 1;
      clist->row (row).set_data (redirect);

      show_redirect_active (redirect, this);

      redirect_active_connections.push_back
            (redirect->active_changed.connect (slot (*this, &RedirectBox::show_redirect_active)));
      redirect_name_connections.push_back
            (redirect->name_changed.connect (bind (slot (*this, &RedirectBox::show_redirect_name), redirect)));
}

string
RedirectBox::redirect_name (Redirect& redirect)
{
      Send *send;
      string name_display;

      if (!redirect.active()) {
            name_display = " (";
      }

      if ((send = dynamic_cast<Send *> (&redirect)) != 0) {

            name_display += '>';

            /* grab the send name out of its overall name */

            string::size_type lbracket, rbracket;
            lbracket = send->name().find ('[');
            rbracket = send->name().find (']');

            switch (_width) {
            case Wide:
                  name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
                  break;
            case Narrow:
                  name_display += short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
                  break;
            }

      } else {

            switch (_width) {
            case Wide:
                  name_display += redirect.name();
                  break;
            case Narrow:
                  name_display += short_version (redirect.name(), 5);
                  break;
            }

      }

      if (!redirect.active()) {
            name_display += ')';
      }

      return name_display;
}

void
RedirectBox::build_redirect_tooltip (CList& clist, EventBox& box, string start)
{
      CList_Helpers::RowIterator ri;
      string tip(start);

      for (ri = clist.rows().begin(); ri != clist.rows().end(); ++ri) {
            tip += '\n';
            tip += clist.cell(ri->get_row_num(), 0).get_text();
      }
      ARDOUR_UI::instance()->tooltips().set_tip (box, tip);
}

void
RedirectBox::show_redirect_name (void* src, Redirect *redirect)
{
      ENSURE_GUI_THREAD(bind (slot (*this, &RedirectBox::show_redirect_name), src, redirect));
      
      show_redirect_active (redirect, src);
}

void
RedirectBox::show_redirect_active (Redirect *redirect, void *src)
{
      ENSURE_GUI_THREAD(bind (slot (*this, &RedirectBox::show_redirect_active), redirect, src));

      CList_Helpers::RowIterator ri;
      CList *clist;

      if ((ri = redirect_display.rows().find_data (redirect)) == redirect_display.rows().end()) {
            return;
      }

      clist = &redirect_display;
            
      clist->cell(ri->get_row_num(), 0).set_text (redirect_name (*redirect));

      if (redirect->active()) {
            // ri->select ();
      } else {
            // ri->unselect ();
      }
}

void
RedirectBox::redirects_reordered (gint src, gint dst)
{
      /* this is called before the reorder has been done, so just queue
         something for idle time.
      */

      Gtk::Main::idle.connect (slot (*this, &RedirectBox::compute_redirect_sort_keys));
}

gint
RedirectBox::compute_redirect_sort_keys ()
{
      CList_Helpers::RowList::iterator i;
      uint32_t sort_key;

      sort_key = 0;

      for (i = redirect_display.rows().begin(); i != redirect_display.rows().end(); ++i) {
            Redirect *redirect = reinterpret_cast<Redirect*> (i->get_data());
            redirect->set_sort_key (sort_key, this);
            sort_key++;
      }

      if (_route.sort_redirects ()) {

            redirects_changed (0);

            /* now tell them about the problem */

            ArdourDialog dialog ("wierd plugin dialog");
            Label label;
            Button button (_("OK"));
            VBox vpacker;
            HBox button_box;

            label.set_text (_("\
You cannot reorder this set of redirects\n\
in that way because the inputs and\n\
outputs do not work correctly."));

            button_box.pack_start (button, false, true);
            
            vpacker.set_spacing (12);
            vpacker.set_border_width (12);
            vpacker.pack_start (label);
            vpacker.pack_start (button_box);
            
            button.clicked.connect (bind (slot (dialog, &ArdourDialog::stop), 0));
            
            dialog.add (vpacker);
            dialog.set_name (X_("PluginIODialog"));
            dialog.set_position (GTK_WIN_POS_MOUSE);
            dialog.set_modal (true);
            dialog.show_all ();

            dialog.realize();
            dialog.get_window().set_decorations (GdkWMDecoration (GDK_DECOR_BORDER|GDK_DECOR_RESIZEH));
            
            dialog.run ();
      }

      return FALSE;
}

void
RedirectBox::rename_redirects ()
{
      vector<Redirect*> to_be_renamed;
      
      get_selected_redirects (to_be_renamed);

      if (to_be_renamed.empty()) {
            return;
      }

      for (vector<Redirect*>::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
            rename_redirect (*i);
      }
}

void
RedirectBox::cut_redirects ()
{
      vector<Redirect*> to_be_removed;
      
      get_selected_redirects (to_be_removed);

      if (to_be_removed.empty()) {
            return;
      }

      /* this essentially transfers ownership of the redirect
         of the redirect from the route to the mixer
         selection.
      */
      
      _rr_selection.set (to_be_removed);

      for (vector<Redirect*>::iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
            
            void* gui = (*i)->get_gui ();
            
            if (gui) {
                  static_cast<Gtk::Widget*>(gui)->hide ();
            }
            
            if (_route.remove_redirect (*i, this)) {
                  /* removal failed */
                  _rr_selection.remove (*i);
            }

      }
}

void
RedirectBox::copy_redirects ()
{
      vector<Redirect*> to_be_copied;
      vector<Redirect*> copies;

      get_selected_redirects (to_be_copied);

      if (to_be_copied.empty()) {
            return;
      }

      for (vector<Redirect*>::iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
            copies.push_back (Redirect::clone (**i));
      }

      _rr_selection.set (copies);
}

gint
RedirectBox::idle_delete_redirect (Redirect *redirect)
{
      /* NOT copied to _mixer.selection() */

      if (_route.remove_redirect (redirect, this)) {
            /* removal failed */
            return FALSE;
      }

      delete redirect;
      return FALSE;
}

void
RedirectBox::rename_redirect (Redirect* redirect)
{
      ArdourDialog dialog ("rename redirect dialog");
      Entry  entry;
      VBox   vbox;
      HBox   hbox;
      Button ok_button (_("OK"));
      Button cancel_button (_("Cancel"));

      dialog.set_title (_("ardour: rename redirect"));
      dialog.set_name ("RedirectRenameWindow");
      dialog.set_usize (300, -1);
      dialog.set_position (GTK_WIN_POS_MOUSE);
      dialog.set_modal (true);

      vbox.set_border_width (12);
      vbox.set_spacing (12);
      vbox.pack_start (entry, false, false);
      vbox.pack_start (hbox, false, false);
      hbox.pack_start (ok_button);
      hbox.pack_start (cancel_button);
      
      dialog.add (vbox);

      entry.set_name ("RedirectNameDisplay");
      entry.set_text (redirect->name());
      entry.select_region (0, -1);
      entry.grab_focus ();

      ok_button.set_name ("EditorGTKButton");
      cancel_button.set_name ("EditorGTKButton");

      entry.activate.connect (bind (slot (dialog, &ArdourDialog::stop), 1));
      cancel_button.clicked.connect (bind (slot (dialog, &ArdourDialog::stop), -1));
      ok_button.clicked.connect (bind (slot (dialog, &ArdourDialog::stop), 1));

      /* recurse */
      
      dialog.set_keyboard_input (true);
      dialog.run ();

      if (dialog.run_status() == 1) {
            redirect->set_name (entry.get_text(), this);
      }
}

void
RedirectBox::cut_redirect (Redirect *redirect)
{
      /* this essentially transfers ownership of the redirect
         of the redirect from the route to the mixer
         selection.
      */

      _rr_selection.add (redirect);
      
      void* gui = redirect->get_gui ();

      if (gui) {
            static_cast<Gtk::Widget*>(gui)->hide ();
      }
      
      if (_route.remove_redirect (redirect, this)) {
            _rr_selection.remove (redirect);
      }
}

void
RedirectBox::copy_redirect (Redirect *redirect)
{
      Redirect* copy = Redirect::clone (*redirect);
      _rr_selection.add (copy);
}

void
RedirectBox::paste_redirects ()
{
      if (_rr_selection.redirects.empty()) {
            return;
      }

      RedirectSelection& sel (_rr_selection.redirects);
      list<Redirect*> others;

      for (list<Redirect*>::iterator i = sel.begin(); i != sel.end(); ++i) {

            Redirect* copy = Redirect::clone (**i);

            copy->set_placement (_placement, this);
            others.push_back (copy);
      }

      if (_route.add_redirects (others, this)) {
            for (list<Redirect*>::iterator i = others.begin(); i != others.end(); ++i) {
                  delete *i;
            }

            string msg = _(
                  "Copying the set of redirects on the clipboard failed,\n\
probably because the I/O configuration of the plugins\n\
could not match the configuration of this track.");
            ArdourMessage am (0, X_("bad redirect copy dialog"), msg);
      }
}

void
RedirectBox::activate_redirect (Redirect *r)
{
      r->set_active (true, 0);
}

void
RedirectBox::deactivate_redirect (Redirect *r)
{
      r->set_active (false, 0);
}

void
RedirectBox::get_selected_redirects (vector<Redirect*>& redirects)
{
      using namespace CList_Helpers;
      SelectionList& sel (redirect_display.selection());

      for (SelectionIterator i = sel.begin(); i != sel.end(); ++i) {
            Redirect* redirect = reinterpret_cast<Redirect *> ((*i).get_data ());
            redirects.push_back (redirect);
      }
}

void
RedirectBox::for_selected_redirects (void (RedirectBox::*pmf)(Redirect*))
{
      using namespace CList_Helpers;
      SelectionList& sel (redirect_display.selection());

      for (SelectionIterator i = sel.begin(); i != sel.end(); ++i) {
            Redirect* redirect = reinterpret_cast<Redirect *> ((*i).get_data ());
            (this->*pmf)(redirect);
      }
}

void
RedirectBox::clone_redirects ()
{
      RouteSelection& routes (_rr_selection.routes);

      if (!routes.empty()) {
            if (_route.copy_redirects (*routes.front(), _placement)) {
                  string msg = _(
"Copying the set of redirects on the clipboard failed,\n\
probably because the I/O configuration of the plugins\n\
could not match the configuration of this track.");
                  ArdourMessage am (0, X_("bad redirect copy dialog"), msg);
            }
      }
}

void
RedirectBox::all_redirects_active (bool state)
{
      _route.all_redirects_active (state);
}

void
RedirectBox::clear_redirects()
{
      string prompt;
      vector<string> choices;

      if (dynamic_cast<AudioTrack*>(&_route) != 0) {
            prompt = _("Do you really want to remove all redirects from this track?\n"
                     "(this cannot be undone)");
      } else {
            prompt = _("Do you really want to remove all redirects from this bus?\n"
                     "(this cannot be undone)");
      }

      choices.push_back (_("Yes, remove them all"));
      choices.push_back (_("Cancel"));

      Gtkmmext::Choice prompter (prompt, choices);

      prompter.chosen.connect (Gtk::Main::quit.slot());
      prompter.show_all ();

      Gtk::Main::run ();

      if (prompter.get_choice() == 0) {
            _route.clear_redirects (this);
      }
}


void
RedirectBox::edit_redirect (Redirect* redirect)
{
      Insert *insert;

      if (dynamic_cast<AudioTrack*>(&_route) != 0) {

            if (dynamic_cast<AudioTrack*> (&_route)->freeze_state() == AudioTrack::Frozen) {
                  return;
            }
      }
      
      if ((insert = dynamic_cast<Insert *> (redirect)) == 0) {
            
            /* its a send */
            
            if (!_session.engine().connected()) {
                  return;
            }

            Send *send = dynamic_cast<Send*> (redirect);
            
            SendUIWindow *send_ui;
            
            if (send->get_gui() == 0) {
                  
                  string title;
                  title = compose(_("ardour: %1"), send->name()); 
                  
                  send_ui = new SendUIWindow (*send, _session);
                  send_ui->set_title (title);
                  send->set_gui (send_ui);
                  
            } else {
                  send_ui = reinterpret_cast<SendUIWindow *> (send->get_gui());
            }
            
            if (send_ui->is_visible()) {
                  send_ui->get_window().raise ();
            } else {
                  send_ui->show_all ();
            }
            
      } else {
            
            /* its an insert */
            
            PluginInsert *plugin_insert;
            PortInsert *port_insert;
            
            if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
                  
                  PluginUIWindow *plugin_ui;
                  
                  if (plugin_insert->get_gui() == 0) {
                        
                        string title;
                        string maker = plugin_insert->plugin().maker();
                        string::size_type email_pos;
                        
                        if ((email_pos = maker.find_first_of ('<')) != string::npos) {
                              maker = maker.substr (0, email_pos - 1);
                        }
                        
                        if (maker.length() > 32) {
                              maker = maker.substr (0, 32);
                              maker += " ...";
                        }

                        title = compose(_("ardour: %1: %2 (by %3)"), _route.name(), plugin_insert->name(), maker);      
                        
                        plugin_ui = new PluginUIWindow (_session.engine(), *plugin_insert);
                        if (_owner_is_mixer) {
                              ARDOUR_UI::instance()->the_mixer()->ensure_float (*plugin_ui);
                        } else {
                              ARDOUR_UI::instance()->the_editor().ensure_float (*plugin_ui);
                        }
                        plugin_ui->set_title (title);
                        plugin_insert->set_gui (plugin_ui);
                        
                  } else {
                        plugin_ui = reinterpret_cast<PluginUIWindow *> (plugin_insert->get_gui());
                  }
                  
                  if (plugin_ui->is_visible()) {
                        plugin_ui->get_window().raise ();
                  } else {
                        plugin_ui->show_all ();
                  }
                  
            } else if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
                  
                  if (!_session.engine().connected()) {
                        ArdourMessage msg (NULL, "nojackdialog", _("Not connected to JACK - no I/O changes are possible"));
                        return;
                  }

                  PortInsertWindow *io_selector;

                  if (port_insert->get_gui() == 0) {
                        io_selector = new PortInsertWindow (_session, *port_insert);
                        port_insert->set_gui (io_selector);
                        
                  } else {
                        io_selector = reinterpret_cast<PortInsertWindow *> (port_insert->get_gui());
                  }
                  
                  if (io_selector->is_visible()) {
                        io_selector->get_window().raise ();
                  } else {
                        io_selector->show_all ();
                  }
            }
      }
}



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