Logo Search packages:      
Sourcecode: ardour version File versions

editor_region_list.cc

/*
    Copyright (C) 2000-2005 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 <algorithm>
#include <string>
#include <sstream>

#include <pbd/basename.h>

#include <ardour/audioregion.h>
#include <ardour/audiofilesource.h>
#include <ardour/silentfilesource.h>
#include <ardour/session_region.h>

#include <gtkmm2ext/stop_signal.h>

#include "editor.h"
#include "editing.h"
#include "keyboard.h"
#include "ardour_ui.h"
#include "gui_thread.h"
#include "actions.h"
#include "region_view.h"
#include "utils.h"

#include "i18n.h"

using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Glib;
using namespace Editing;

void
Editor::handle_audio_region_removed (boost::weak_ptr<AudioRegion> wregion)
{
      ENSURE_GUI_THREAD (mem_fun (*this, &Editor::redisplay_regions));
      redisplay_regions ();
}

void
Editor::handle_new_audio_regions (vector<boost::weak_ptr<AudioRegion> >& v)
{
      ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::handle_new_audio_regions), v));
      add_audio_regions_to_region_display (v);
}

void
Editor::region_hidden (boost::shared_ptr<Region> r)
{
      ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::region_hidden), r));    

      redisplay_regions ();
}

void
Editor::add_audio_regions_to_region_display (vector<boost::weak_ptr<AudioRegion> >& regions)
{
      region_list_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
      for (vector<boost::weak_ptr<AudioRegion> >::iterator x = regions.begin(); x != regions.end(); ++x) {
            boost::shared_ptr<AudioRegion> region ((*x).lock());
            if (region) {
                  add_audio_region_to_region_display (region);
            }
      }
      region_list_display.set_model (region_list_model);
}

void
Editor::add_audio_region_to_region_display (boost::shared_ptr<AudioRegion> region)
{
      string str;
      TreeModel::Row row;
      Gdk::Color c;
      bool missing_source;

      missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());

      if (!show_automatic_regions_in_region_list && region->automatic()) {
            return;
      }

      if (region->hidden()) {

            TreeModel::iterator iter = region_list_model->get_iter ("0");
            TreeModel::Row parent;
            TreeModel::Row child;

            if (!iter) {

                  parent = *(region_list_model->append());
                  
                  parent[region_list_columns.name] = _("Hidden");

            } else {

                  if ((*iter)[region_list_columns.name] != _("Hidden")) {

                        parent = *(region_list_model->insert(iter));
                        parent[region_list_columns.name] = _("Hidden");

                  } else {

                        parent = *iter;
                  }
            }

            row = *(region_list_model->append (parent.children()));

      } else if (region->whole_file()) {

            row = *(region_list_model->append());
            if (missing_source) {
                  c.set_rgb(65535,0,0);     // FIXME: error color from style
            } else {
                  set_color(c, rgba_from_style ("RegionListWholeFile", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
            }
            row[region_list_columns.color_] = c;

            if (region->source()->name()[0] == '/') { // external file

                  /* XXX there was old code here to try to show an abbreviated version
                     of the path name for whole file regions.
                  */

                  str = region->name();

            } else {

                  str = region->name();

            }

            if (region->n_channels() > 1) {
                  std::stringstream foo;
                  foo << region->n_channels ();
                  str += " [";
                  str += foo.str();
                  str += ']';
            }

            if (missing_source) {
                  str += _(" (MISSING)");
            }

            row[region_list_columns.name] = str;
            row[region_list_columns.region] = region;

            return;
            
      } else {

            /* find parent node, add as new child */
            
            TreeModel::iterator i;
            TreeModel::Children rows = region_list_model->children();
            bool found_parent = false;

            for (i = rows.begin(); i != rows.end(); ++i) {

                  boost::shared_ptr<Region> rr = (*i)[region_list_columns.region];
                  boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion>(rr);

                  if (r && r->whole_file()) {
                        if (region->source_equivalent (r)) {
                              row = *(region_list_model->append ((*i).children()));
                              found_parent = true;
                              break;
                        }
                  }
            }

            if (!found_parent) {
                  row = *(region_list_model->append());
            }

            
      }
      
      row[region_list_columns.region] = region;
      
      if (region->n_channels() > 1) {
            row[region_list_columns.name] = string_compose("%1  [%2]", region->name(), region->n_channels());
      } else {
            row[region_list_columns.name] = region->name();
      }
}

void
Editor::region_list_selection_changed() 
{
      bool selected;

      if (region_list_display.get_selection()->count_selected_rows() > 0) {
            selected = true;
      } else {
            selected = false;
      }
      
      if (selected) {
            TreeView::Selection::ListHandle_Path rows = region_list_display.get_selection()->get_selected_rows ();
            TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
            TreeIter iter;

            if ((iter = region_list_model->get_iter (*i))) {
                  boost::shared_ptr<Region> r = (*iter)[region_list_columns.region];
                  
                  /* they could have clicked on a row that is just a placeholder, like "Hidden" */
                  
                  if (r) {
                        
                        /* just set the first selected region (in fact, the selection model might be SINGLE, which
                           means there can only be one.
                        */
                        
                        set_selected_regionview_from_region_list (r, Selection::Set);
                  }
            }
      }
}

void
Editor::insert_into_tmp_audio_regionlist(boost::shared_ptr<AudioRegion> region)
{
      /* keep all whole files at the beginning */
      
      if (region->whole_file()) {
            tmp_audio_region_list.push_front (region);
      } else {
            tmp_audio_region_list.push_back (region);
      }
}

void
Editor::redisplay_regions ()
{
      if (session) {

            region_list_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
            region_list_model->clear ();

            /* now add everything we have, via a temporary list used to help with
               sorting.
            */
            
            tmp_audio_region_list.clear();
            session->foreach_audio_region (this, &Editor::insert_into_tmp_audio_regionlist);

            for (list<boost::shared_ptr<AudioRegion> >::iterator r = tmp_audio_region_list.begin(); r != tmp_audio_region_list.end(); ++r) {
                  add_audio_region_to_region_display (*r);
            }
            tmp_audio_region_list.clear();
            
            region_list_display.set_model (region_list_model);
      }
}

void
Editor::build_region_list_menu ()
{
      region_list_menu = dynamic_cast<Menu*>(ActionManager::get_widget ("/RegionListMenu"));
                                     
      /* now grab specific menu items that we need */

      Glib::RefPtr<Action> act;

      act = ActionManager::get_action (X_("RegionList"), X_("rlShowAll"));
      if (act) {
            toggle_full_region_list_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
      }

      act = ActionManager::get_action (X_("RegionList"), X_("rlShowAuto"));
      if (act) {
            toggle_show_auto_regions_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
      }
}

void
Editor::toggle_show_auto_regions ()
{
      show_automatic_regions_in_region_list = toggle_show_auto_regions_action->get_active();
      redisplay_regions ();
}

void
Editor::toggle_full_region_list ()
{
      if (toggle_full_region_list_action->get_active()) {
            region_list_display.expand_all ();
      } else {
            region_list_display.collapse_all ();
      }
}

void
Editor::show_region_list_display_context_menu (int button, int time)
{
      if (region_list_menu == 0) {
            build_region_list_menu ();
      }

      if (region_list_display.get_selection()->count_selected_rows() > 0) {
            ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, true);
      } else {
            ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, false);
      }

      region_list_menu->popup (button, time);
}

bool
Editor::region_list_display_key_press (GdkEventKey* ev)
{
      return false;
}

bool
Editor::region_list_display_key_release (GdkEventKey* ev)
{
      switch (ev->keyval) {
      case GDK_Delete:
            remove_region_from_region_list ();
            return true;
            break;
      default:
            break;
      }

      return false;
}

bool
Editor::region_list_display_button_press (GdkEventButton *ev)
{
      boost::shared_ptr<Region> region;
      TreeIter iter;
      TreeModel::Path path;
      TreeViewColumn* column;
      int cellx;
      int celly;

      // cerr << "Button press release, button = " << ev->button << endl;

      if (region_list_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
            if ((iter = region_list_model->get_iter (path))) {
                  region = (*iter)[region_list_columns.region];
            }
      }

      if (Keyboard::is_context_menu_event (ev)) {
            show_region_list_display_context_menu (ev->button, ev->time);
            cerr << "\tcontext menu event, event handled\n";
            return true;
      }

      if (region == 0) {
            cerr << "\tno region, event not handled\n";
            return false;
      }

      switch (ev->button) {
      case 1:
            break;

      case 2:
            // audition on middle click (stop audition too)
            if (!Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
                  consider_auditioning (region);
            }
            cerr << "\taudition, event handled\n";
            return true;
            break;

      default:
            break; 
      }

      cerr << "\tnot handled\n";
      return false;
}     

bool
Editor::region_list_display_button_release (GdkEventButton *ev)
{
      TreeIter iter;
      TreeModel::Path path;
      TreeViewColumn* column;
      int cellx;
      int celly;
      boost::shared_ptr<Region> region;

      if (region_list_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
            if ((iter = region_list_model->get_iter (path))) {
                  region = (*iter)[region_list_columns.region];
            }
      }

      if (region && Keyboard::is_delete_event (ev)) {
            session->remove_region_from_region_list (region);
            return true;
      }

      return false;
}

void
Editor::consider_auditioning (boost::shared_ptr<Region> region)
{
      boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);

      if (r == 0) {
            session->cancel_audition ();
            return;
      }

      if (session->is_auditioning()) {
            session->cancel_audition ();
            if (r == last_audition_region) {
                  return;
            }
      }

      session->audition_region (r);
      last_audition_region = r;
}

int
Editor::region_list_sorter (TreeModel::iterator a, TreeModel::iterator b)
{
      int cmp = 0;

      boost::shared_ptr<Region> r1 = (*a)[region_list_columns.region];
      boost::shared_ptr<Region> r2 = (*b)[region_list_columns.region];

      /* handle rows without regions, like "Hidden" */

      if (r1 == 0) {
            return -1;
      }

      if (r2 == 0) {
            return 1;
      }

      boost::shared_ptr<AudioRegion> region1 = boost::dynamic_pointer_cast<AudioRegion> (r1);
      boost::shared_ptr<AudioRegion> region2 = boost::dynamic_pointer_cast<AudioRegion> (r2);

      if (region1 == 0 || region2 == 0) {
            Glib::ustring s1;
            Glib::ustring s2;
            switch (region_list_sort_type) {
            case ByName:
                  s1 = (*a)[region_list_columns.name];
                  s2 = (*b)[region_list_columns.name];
                  return (s1.compare (s2));
            default:
                  return 0;
            }
      }

      switch (region_list_sort_type) {
      case ByName:
            cmp = strcasecmp (region1->name().c_str(), region2->name().c_str());
            break;

      case ByLength:
            cmp = region1->length() - region2->length();
            break;
            
      case ByPosition:
            cmp = region1->position() - region2->position();
            break;
            
      case ByTimestamp:
            cmp = region1->source()->timestamp() - region2->source()->timestamp();
            break;
      
      case ByStartInFile:
            cmp = region1->start() - region2->start();
            break;
            
      case ByEndInFile:
            cmp = (region1->start() + region1->length()) - (region2->start() + region2->length());
            break;
            
      case BySourceFileName:
            cmp = strcasecmp (region1->source()->name().c_str(), region2->source()->name().c_str());
            break;

      case BySourceFileLength:
            cmp = region1->source()->length() - region2->source()->length();
            break;
            
      case BySourceFileCreationDate:
            cmp = region1->source()->timestamp() - region2->source()->timestamp();
            break;

      case BySourceFileFS:
            if (region1->source()->name() == region2->source()->name()) {
                  cmp = strcasecmp (region1->name().c_str(),  region2->name().c_str());
            } else {
                  cmp = strcasecmp (region1->source()->name().c_str(),  region2->source()->name().c_str());
            }
            break;
      }

      if (cmp < 0) {
            return -1;
      } else if (cmp > 0) {
            return 1;
      } else {
            return 0;
      }
}

void
Editor::reset_region_list_sort_type (RegionListSortType type)
{
      if (type != region_list_sort_type) {
            region_list_sort_type = type;
            region_list_model->set_sort_func (0, (mem_fun (*this, &Editor::region_list_sorter)));
      }
}

void
Editor::reset_region_list_sort_direction (bool up)
{
      region_list_model->set_sort_column (0, up ? SORT_ASCENDING : SORT_DESCENDING);
}

void
Editor::region_list_selection_mapover (slot<void,boost::shared_ptr<Region> > sl)
{
      Glib::RefPtr<TreeSelection> selection = region_list_display.get_selection();
      TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
      TreeView::Selection::ListHandle_Path::iterator i = rows.begin();

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

      for (; i != rows.end(); ++i) {
            TreeIter iter;

            if ((iter = region_list_model->get_iter (*i))) {

                  /* some rows don't have a region associated with them, but can still be
                     selected (XXX maybe prevent them from being selected)
                  */

                  boost::shared_ptr<Region> r = (*iter)[region_list_columns.region];

                  if (r) {
                        sl (r);
                  }
            }
      }
}

void
Editor::hide_a_region (boost::shared_ptr<Region> r)
{
      r->set_hidden (true);
}

void
Editor::remove_a_region (boost::shared_ptr<Region> r)
{
      session->remove_region_from_region_list (r);
}

void
Editor::audition_region_from_region_list ()
{
      region_list_selection_mapover (mem_fun (*this, &Editor::consider_auditioning));
}

void
Editor::hide_region_from_region_list ()
{
      region_list_selection_mapover (mem_fun (*this, &Editor::hide_a_region));
}

void
Editor::remove_region_from_region_list ()
{
      region_list_selection_mapover (mem_fun (*this, &Editor::remove_a_region));
}

void  
Editor::region_list_display_drag_data_received (const RefPtr<Gdk::DragContext>& context,
                                    int x, int y, 
                                    const SelectionData& data,
                                    guint info, guint time)
{
      vector<ustring> paths;

      if (data.get_target() == "GTK_TREE_MODEL_ROW") {
            cerr << "Delete drag data drop to treeview\n";
            region_list_display.on_drag_data_received (context, x, y, data, info, time);
            return;
      }

      if (convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
            nframes64_t pos = 0;
            do_embed (paths, Editing::ImportDistinctFiles, ImportAsRegion, pos);
            context->drag_finish (true, false, time);
      }
}

bool
Editor::region_list_selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool yn)
{
      /* not possible to select rows that do not represent regions, like "Hidden" */
      
      TreeModel::iterator iter = model->get_iter (path);

      if (iter) {
            boost::shared_ptr<Region> r =(*iter)[region_list_columns.region];
            if (!r) {
                  return false;
            }
      } 

      return true;
}

void
Editor::region_name_edit (const Glib::ustring& path, const Glib::ustring& new_text)
{
      boost::shared_ptr<Region> region;
      TreeIter iter;
      
      if ((iter = region_list_model->get_iter (path))) {
            region = (*iter)[region_list_columns.region];
            (*iter)[region_list_columns.name] = new_text;
      }
      
      /* now mapover everything */

      if (region) {
            vector<RegionView*> equivalents;
            get_regions_corresponding_to (region, equivalents);

            for (vector<RegionView*>::iterator i = equivalents.begin(); i != equivalents.end(); ++i) {
                  if (new_text != (*i)->region()->name()) {
                        (*i)->region()->set_name (new_text);
                  }
            }
      }

}


Generated by  Doxygen 1.6.0   Back to index