gtk2_ardour/port_group.h

   1 /*
   2     Copyright (C) 2002-2009 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef  __gtk_ardour_port_group_h__
  21 #define  __gtk_ardour_port_group_h__
  22
  23 #include <vector>
  24 #include <string>
  25 #include <set>
  26 #include <boost/shared_ptr.hpp>
  27 #include "pbd/signals.h"
  28
  29 #include <gtkmm/widget.h>
  30 #include <gtkmm/checkbutton.h>
  31
  32 #include "ardour/data_type.h"
  33 #include "ardour/types.h"
  34
  35 namespace ARDOUR {
  36         class Session;
  37         class Bundle;
  38         class Processor;
  39         class IO;
  40 }
  41
  42 class PortMatrix;
  43 class PublicEditor;
  44
  45 /** A list of bundles grouped by some aspect of their type e.g. busses, tracks, system.
  46  *  A group has 0 or more bundles.
  47  */
  48 class PortGroup : public sigc::trackable
  49 {
  50 public:
  51         PortGroup (std::string const & n);
  52         ~PortGroup ();
  53
  54         void add_bundle (boost::shared_ptr<ARDOUR::Bundle>, bool allow_dups = false);
  55         void add_bundle (boost::shared_ptr<ARDOUR::Bundle>, boost::shared_ptr<ARDOUR::IO> io);
  56         void add_bundle (boost::shared_ptr<ARDOUR::Bundle>, boost::shared_ptr<ARDOUR::IO>, Gdk::Color);
  57         void remove_bundle (boost::shared_ptr<ARDOUR::Bundle>);
  58         boost::shared_ptr<ARDOUR::Bundle> only_bundle ();
  59         void clear ();
  60         ARDOUR::ChanCount total_channels () const;
  61         boost::shared_ptr<ARDOUR::IO> io_from_bundle (boost::shared_ptr<ARDOUR::Bundle>) const;
  62         void remove_duplicates ();
  63
  64         std::string name; ///< name for the group
  65
  66         bool has_port (std::string const &) const;
  67
  68         /** The bundle list has changed in some way; a bundle has been added or removed, or the list cleared etc. */
  69         PBD::Signal0<void> Changed;
  70
  71         /** An individual bundle on our list has changed in some way */
  72         PBD::Signal1<void,ARDOUR::Bundle::Change> BundleChanged;
  73
  74         struct BundleRecord {
  75             boost::shared_ptr<ARDOUR::Bundle> bundle;
  76             /** IO whose ports are in the bundle, or 0.  This is so that we can do things like adding
  77                 ports to the IO from matrix editor menus. */
  78             boost::weak_ptr<ARDOUR::IO> io;
  79             Gdk::Color colour;
  80             bool has_colour;
  81             PBD::ScopedConnection changed_connection;
  82
  83             BundleRecord (boost::shared_ptr<ARDOUR::Bundle>, boost::shared_ptr<ARDOUR::IO>, Gdk::Color, bool has_colour);
  84         };
  85
  86         typedef std::list<BundleRecord*> BundleList;
  87
  88         BundleList const & bundles () const {
  89                 return _bundles;
  90         }
  91
  92 private:
  93         void bundle_changed (ARDOUR::Bundle::Change);
  94         void add_bundle_internal (boost::shared_ptr<ARDOUR::Bundle>, boost::shared_ptr<ARDOUR::IO>, bool, Gdk::Color, bool);
  95
  96         BundleList _bundles;
  97 };
  98
  99 /// A list of PortGroups
 100 class PortGroupList : public sigc::trackable
 101 {
 102   public:
 103         PortGroupList ();
 104         ~PortGroupList();
 105
 106         typedef std::vector<boost::shared_ptr<PortGroup> > List;
 107
 108         void add_group (boost::shared_ptr<PortGroup>);
 109         void add_group_if_not_empty (boost::shared_ptr<PortGroup>);
 110         void gather (ARDOUR::Session *, ARDOUR::DataType, bool, bool);
 111         PortGroup::BundleList const & bundles () const;
 112         void clear ();
 113         void remove_bundle (boost::shared_ptr<ARDOUR::Bundle>);
 114         ARDOUR::ChanCount total_channels () const;
 115         uint32_t size () const {
 116                 return _groups.size();
 117         }
 118         boost::shared_ptr<ARDOUR::IO> io_from_bundle (boost::shared_ptr<ARDOUR::Bundle>) const;
 119
 120         void suspend_signals ();
 121         void resume_signals ();
 122
 123         List::const_iterator begin () const {
 124                 return _groups.begin ();
 125         }
 126
 127         List::const_iterator end () const {
 128                 return _groups.end ();
 129         }
 130
 131         bool empty () const;
 132
 133         /** The group list has changed in some way; a group has been added or removed, or the list cleared etc. */
 134         PBD::Signal0<void> Changed;
 135
 136         /** A bundle in one of our groups has changed */
 137         PBD::Signal1<void,ARDOUR::Bundle::Change> BundleChanged;
 138
 139   private:
 140         bool port_has_prefix (std::string const &, std::string const &) const;
 141         std::string common_prefix (std::vector<std::string> const &) const;
 142         std::string common_prefix_before (std::vector<std::string> const &, std::string const &) const;
 143         void emit_changed ();
 144         void emit_bundle_changed (ARDOUR::Bundle::Change);
 145         boost::shared_ptr<ARDOUR::Bundle> make_bundle_from_ports (std::vector<std::string> const &, ARDOUR::DataType, bool) const;
 146         void maybe_add_processor_to_list (
 147                 boost::weak_ptr<ARDOUR::Processor>, std::list<boost::shared_ptr<ARDOUR::IO> > *, bool, std::set<boost::shared_ptr<ARDOUR::IO> > &
 148                 );
 149         boost::shared_ptr<ARDOUR::Bundle> bundle_for_type (boost::shared_ptr<ARDOUR::Bundle>, ARDOUR::DataType) const;
 150
 151         mutable PortGroup::BundleList _bundles;
 152         List _groups;
 153         PBD::ScopedConnectionList _bundle_changed_connections;
 154         PBD::ScopedConnectionList _changed_connections;
 155         bool _signals_suspended;
 156         bool _pending_change;
 157         ARDOUR::Bundle::Change _pending_bundle_change;
 158 };
 159
 160 #endif /* __gtk_ardour_port_group_h__ */