Remove use of i18n macros in headers. Prevents our gettext.h being included before...
[ardour.git] / gtk2_ardour / port_matrix.cc
index 046ad3259f82242e9d69467db8a33b3176e190f6..73e937e8405b2aead4ac7512de8ba0d95440ccbe 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2002-2009 Paul Davis 
+    Copyright (C) 2002-2009 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
 #include <gtkmm/menu.h>
 #include <gtkmm/menushell.h>
 #include <gtkmm/menu_elems.h>
+#include <gtkmm/window.h>
 #include "ardour/bundle.h"
 #include "ardour/types.h"
 #include "ardour/session.h"
 #include "ardour/route.h"
+#include "ardour/audioengine.h"
 #include "port_matrix.h"
+#include "port_matrix_body.h"
+#include "port_matrix_component.h"
 #include "i18n.h"
+#include "gui_thread.h"
+#include "utils.h"
+
+using namespace std;
+using namespace Gtk;
+using namespace ARDOUR;
 
 /** PortMatrix constructor.
  *  @param session Our session.
  *  @param type Port type that we are handling.
  */
-PortMatrix::PortMatrix (ARDOUR::Session& session, ARDOUR::DataType type)
-       : _session (session),
-         _type (type),
-         _body (this),
-         _column_visibility_box_added (false),
-         _row_visibility_box_added (false),
-         _menu (0),
-         _setup_once (false),
-         _arrangement (TOP_TO_RIGHT),
-         _row_index (0),
-         _column_index (1)
-{
-       _ports[0].set_type (type);
-       _ports[1].set_type (type);
-
-       _row_visibility_box.pack_start (_row_visibility_label, Gtk::PACK_SHRINK);
-       _column_visibility_box.pack_start (_column_visibility_label, Gtk::PACK_SHRINK);
-
-       _hscroll.signal_value_changed().connect (sigc::mem_fun (*this, &PortMatrix::hscroll_changed));
-       _vscroll.signal_value_changed().connect (sigc::mem_fun (*this, &PortMatrix::vscroll_changed));
-
-       /* watch for routes being added or removed */
-       _session.RouteAdded.connect (sigc::hide (sigc::mem_fun (*this, &PortMatrix::routes_changed)));
-       
-       reconnect_to_routes ();
+PortMatrix::PortMatrix (Window* parent, Session* session, DataType type)
+       : Table (3, 3)
+       , _parent (parent)
+       , _type (type)
+       , _menu (0)
+       , _arrangement (TOP_TO_RIGHT)
+       , _row_index (0)
+       , _column_index (1)
+       , _min_height_divisor (1)
+       , _show_only_bundles (false)
+       , _inhibit_toggle_show_only_bundles (false)
+       , _ignore_notebook_page_selected (false)
+{
+       set_session (session);
+
+       _body = new PortMatrixBody (this);
+       _body->DimensionsChanged.connect (sigc::mem_fun (*this, &PortMatrix::body_dimensions_changed));
+
+       _vbox.pack_start (_vspacer, false, false);
+       _vbox.pack_start (_vnotebook, false, false);
+       _vbox.pack_start (_vlabel, true, true);
+       _hbox.pack_start (_hspacer, false, false);
+       _hbox.pack_start (_hnotebook, false, false);
+       _hbox.pack_start (_hlabel, true, true);
+
+       _vnotebook.signal_switch_page().connect (sigc::mem_fun (*this, &PortMatrix::notebook_page_selected));
+       _vnotebook.property_tab_border() = 4;
+       _vnotebook.set_name (X_("PortMatrixLabel"));
+       _hnotebook.signal_switch_page().connect (sigc::mem_fun (*this, &PortMatrix::notebook_page_selected));
+       _hnotebook.property_tab_border() = 4;
+       _hnotebook.set_name (X_("PortMatrixLabel"));
+
+       for (int i = 0; i < 2; ++i) {
+               _ports[i].set_type (type);
+       }
 
-       show_all ();
+       _vlabel.set_use_markup ();
+       _vlabel.set_alignment (1, 1);
+       _vlabel.set_padding (4, 16);
+       _vlabel.set_name (X_("PortMatrixLabel"));
+       _hlabel.set_use_markup ();
+       _hlabel.set_alignment (1, 0.5);
+       _hlabel.set_padding (16, 4);
+       _hlabel.set_name (X_("PortMatrixLabel"));
+
+       _body->show ();
+       _vbox.show ();
+       _hbox.show ();
+       _vscroll.show ();
+       _hscroll.show ();
+       _vlabel.show ();
+       _hlabel.show ();
+       _hspacer.show ();
+       _vspacer.show ();
+       _vnotebook.show ();
+       _hnotebook.show ();
 }
 
 PortMatrix::~PortMatrix ()
 {
-       for (std::vector<Gtk::CheckButton*>::iterator i = _column_visibility_buttons.begin(); i != _column_visibility_buttons.end(); ++i) {
-               delete *i;
-       }
+       delete _body;
+       delete _menu;
+}
+
+/** Perform initial and once-only setup.  This must be called by
+ *  subclasses after they have set up _ports[] to at least some
+ *  reasonable extent.  Two-part initialisation is necessary because
+ *  setting up _ports is largely done by virtual functions in
+ *  subclasses.
+ */
+
+void
+PortMatrix::init ()
+{
+       select_arrangement ();
+
+       /* Signal handling is kind of split into three parts:
+        *
+        * 1.  When _ports[] changes, we call setup().  This essentially sorts out our visual
+        *     representation of the information in _ports[].
+        *
+        * 2.  When certain other things change, we need to get our subclass to clear and
+        *     re-fill _ports[], which in turn causes appropriate signals to be raised to
+        *     hook into part (1).
+        *
+        * 3.  Assorted other signals.
+        */
 
-       for (std::vector<Gtk::CheckButton*>::iterator i = _row_visibility_buttons.begin(); i != _row_visibility_buttons.end(); ++i) {
-               delete *i;
+
+       /* Part 1: the basic _ports[] change -> reset visuals */
+
+       for (int i = 0; i < 2; ++i) {
+               /* watch for the content of _ports[] changing */
+               _ports[i].Changed.connect (_changed_connections, invalidator (*this), boost::bind (&PortMatrix::setup, this), gui_context());
+
+               /* and for bundles in _ports[] changing */
+               _ports[i].BundleChanged.connect (_bundle_changed_connections, invalidator (*this), boost::bind (&PortMatrix::setup, this), gui_context());
        }
 
-       delete _menu;
+       /* Part 2: notice when things have changed that require our subclass to clear and refill _ports[] */
+       
+       /* watch for routes being added or removed */
+       _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::routes_changed, this), gui_context());
+
+       /* and also bundles */
+       _session->BundleAdded.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::setup_global_ports, this), gui_context());
+
+       /* and also ports */
+       _session->engine().PortRegisteredOrUnregistered.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::setup_global_ports, this), gui_context());
+
+
+       /* Part 3: other stuff */
+       
+       _session->engine().PortConnectedOrDisconnected.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::port_connected_or_disconnected, this), gui_context ());
+
+       _hscroll.signal_value_changed().connect (sigc::mem_fun (*this, &PortMatrix::hscroll_changed));
+       _vscroll.signal_value_changed().connect (sigc::mem_fun (*this, &PortMatrix::vscroll_changed));
+
+       reconnect_to_routes ();
+       
+       setup ();
 }
 
 /** Disconnect from and reconnect to routes' signals that we need to watch for things that affect the matrix */
 void
 PortMatrix::reconnect_to_routes ()
 {
-       for (std::vector<sigc::connection>::iterator i = _route_connections.begin(); i != _route_connections.end(); ++i) {
-               i->disconnect ();
+       _route_connections.drop_connections ();
+
+       boost::shared_ptr<RouteList> routes = _session->get_routes ();
+       for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
+               (*i)->processors_changed.connect (_route_connections, invalidator (*this), ui_bind (&PortMatrix::route_processors_changed, this, _1), gui_context());
        }
+}
 
-       boost::shared_ptr<ARDOUR::RouteList> routes = _session.get_routes ();
-       for (ARDOUR::RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
-               _route_connections.push_back (
-                       (*i)->processors_changed.connect (sigc::mem_fun (*this, &PortMatrix::setup))
-                       );
+void
+PortMatrix::route_processors_changed (RouteProcessorChange c)
+{
+       if (c.type == RouteProcessorChange::MeterPointChange) {
+               /* this change has no impact on the port matrix */
+               return;
        }
+
+       setup_global_ports ();
 }
 
 /** A route has been added to or removed from the session */
@@ -98,168 +196,59 @@ void
 PortMatrix::routes_changed ()
 {
        reconnect_to_routes ();
-       setup ();
+       setup_global_ports ();
 }
 
-/** Set up everything that changes about the matrix */
+/** Set up everything that depends on the content of _ports[] */
 void
 PortMatrix::setup ()
 {
-       select_arrangement ();
-       _body.setup ();
+       /* this needs to be done first, as the visible_ports() method uses the
+          notebook state to decide which ports are being shown */
+       
+       setup_notebooks ();
+       
+       _body->setup ();
        setup_scrollbars ();
        queue_draw ();
-
-       if (_setup_once) {
-
-               /* we've set up before, so we need to clean up before re-setting-up */
-               /* XXX: we ought to be able to do this by just getting a list of children
-                  from each container widget, but I couldn't make that work */
-
-               
-               for (std::vector<Gtk::CheckButton*>::iterator i = _column_visibility_buttons.begin(); i != _column_visibility_buttons.end(); ++i) {
-                       _column_visibility_box.remove (**i);
-                       delete *i;
-               }
-
-               _column_visibility_buttons.clear ();
-
-               for (std::vector<Gtk::CheckButton*>::iterator i = _row_visibility_buttons.begin(); i != _row_visibility_buttons.end(); ++i) {
-                       _row_visibility_box.remove (**i);
-                       delete *i;
-               }
-
-               _row_visibility_buttons.clear ();
-               
-               _scroller_table.remove (_vscroll);
-               _scroller_table.remove (_body);
-               _scroller_table.remove (_hscroll);
-
-               _main_hbox.remove (_scroller_table);
-               if (_row_visibility_box_added) {
-                       _main_hbox.remove (_row_visibility_box);
-               }
-               
-               if (_column_visibility_box_added) {
-                       remove (_column_visibility_box);
-               }
-               remove (_main_hbox);
-       }
-
-       if (_column_index == 0) {
-               _column_visibility_label.set_text (_("Show Outputs"));
-               _row_visibility_label.set_text (_("Show Inputs"));
-       } else {
-               _column_visibility_label.set_text (_("Show Inputs"));
-               _row_visibility_label.set_text (_("Show Outputs"));
-       }
-
-       for (PortGroupList::List::const_iterator i = columns()->begin(); i != columns()->end(); ++i) {
-               Gtk::CheckButton* b = new Gtk::CheckButton ((*i)->name);
-               b->set_active ((*i)->visible());
-               boost::weak_ptr<PortGroup> w (*i);
-               b->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &PortMatrix::visibility_toggled), w, b));
-               _column_visibility_buttons.push_back (b);
-               _column_visibility_box.pack_start (*b, Gtk::PACK_SHRINK);
-       }
-
-       for (PortGroupList::List::const_iterator i = rows()->begin(); i != rows()->end(); ++i) {
-               Gtk::CheckButton* b = new Gtk::CheckButton ((*i)->name);
-               b->set_active ((*i)->visible());
-               boost::weak_ptr<PortGroup> w (*i);
-               b->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &PortMatrix::visibility_toggled), w, b));
-               _row_visibility_buttons.push_back (b);
-               _row_visibility_box.pack_start (*b, Gtk::PACK_SHRINK);
-       }
-
-       if (_arrangement == TOP_TO_RIGHT) {
-         
-               _scroller_table.attach (_hscroll, 0, 1, 0, 1, Gtk::FILL | Gtk::EXPAND, Gtk::SHRINK);
-               _scroller_table.attach (_body, 0, 1, 1, 2);
-               _scroller_table.attach (_vscroll, 1, 2, 1, 2, Gtk::SHRINK);
-
-               _main_hbox.pack_start (_scroller_table);
-
-               if (rows()->size() > 1) {
-                       _main_hbox.pack_start (_row_visibility_box, Gtk::PACK_SHRINK);
-                       _row_visibility_box_added = true;
-               } else {
-                       _row_visibility_box_added = false;
-               }
-
-               if (columns()->size() > 1) {
-                       pack_start (_column_visibility_box, Gtk::PACK_SHRINK);
-                       _column_visibility_box_added = true;
-               } else {
-                       _column_visibility_box_added = false;
-               }
-               
-               pack_start (_main_hbox);
-               
-       } else {
-               _scroller_table.attach (_vscroll, 0, 1, 0, 1, Gtk::SHRINK);
-               _scroller_table.attach (_body, 1, 2, 0, 1);
-               _scroller_table.attach (_hscroll, 1, 2, 1, 2, Gtk::FILL | Gtk::EXPAND, Gtk::SHRINK);
-
-               if (rows()->size() > 1) {
-                       _main_hbox.pack_start (_row_visibility_box, Gtk::PACK_SHRINK);
-                       _row_visibility_box_added = true;
-               } else {
-                       _row_visibility_box_added = false;
-               }
-               
-               _main_hbox.pack_start (_scroller_table);
-
-               pack_start (_main_hbox);
-               
-               if (columns()->size() > 1) {
-                       pack_start (_column_visibility_box, Gtk::PACK_SHRINK);
-                       _column_visibility_box_added = true;
-               } else {
-                       _column_visibility_box_added = false;
-               }
-       }
-
-       _setup_once = true;
-
-       show_all ();
 }
 
 void
-PortMatrix::set_type (ARDOUR::DataType t)
+PortMatrix::set_type (DataType t)
 {
        _type = t;
        _ports[0].set_type (_type);
        _ports[1].set_type (_type);
-       setup ();
+
+       setup_all_ports ();
 }
 
 void
 PortMatrix::hscroll_changed ()
 {
-       _body.set_xoffset (_hscroll.get_adjustment()->get_value());
+       _body->set_xoffset (_hscroll.get_adjustment()->get_value());
 }
 
 void
 PortMatrix::vscroll_changed ()
 {
-       _body.set_yoffset (_vscroll.get_adjustment()->get_value());
+       _body->set_yoffset (_vscroll.get_adjustment()->get_value());
 }
 
 void
 PortMatrix::setup_scrollbars ()
 {
-       Gtk::Adjustment* a = _hscroll.get_adjustment ();
+       Adjustment* a = _hscroll.get_adjustment ();
        a->set_lower (0);
-       a->set_upper (_body.full_scroll_width());
-       a->set_page_size (_body.alloc_scroll_width());
+       a->set_upper (_body->full_scroll_width());
+       a->set_page_size (_body->alloc_scroll_width());
        a->set_step_increment (32);
        a->set_page_increment (128);
 
        a = _vscroll.get_adjustment ();
        a->set_lower (0);
-       a->set_upper (_body.full_scroll_height());
-       a->set_page_size (_body.alloc_scroll_height());
+       a->set_upper (_body->full_scroll_height());
+       a->set_page_size (_body->alloc_scroll_height());
        a->set_step_increment (32);
        a->set_page_increment (128);
 }
@@ -268,27 +257,29 @@ PortMatrix::setup_scrollbars ()
 void
 PortMatrix::disassociate_all ()
 {
-       ARDOUR::BundleList a = _ports[0].bundles ();
-       ARDOUR::BundleList b = _ports[1].bundles ();
-       
-       for (ARDOUR::BundleList::iterator i = a.begin(); i != a.end(); ++i) {
-               for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
-                       for (ARDOUR::BundleList::iterator k = b.begin(); k != b.end(); ++k) {
-                               for (uint32_t l = 0; l < (*k)->nchannels(); ++l) {
-                                               
-                                       ARDOUR::BundleChannel c[2] = {
-                                               ARDOUR::BundleChannel (*i, j),
-                                               ARDOUR::BundleChannel (*k, l)
+       PortGroup::BundleList a = _ports[0].bundles ();
+       PortGroup::BundleList b = _ports[1].bundles ();
+
+       for (PortGroup::BundleList::iterator i = a.begin(); i != a.end(); ++i) {
+               for (uint32_t j = 0; j < (*i)->bundle->nchannels(); ++j) {
+                       for (PortGroup::BundleList::iterator k = b.begin(); k != b.end(); ++k) {
+                               for (uint32_t l = 0; l < (*k)->bundle->nchannels(); ++l) {
+
+                                       BundleChannel c[2] = {
+                                               BundleChannel ((*i)->bundle, j),
+                                               BundleChannel ((*k)->bundle, l)
                                                        };
-                                       
-                                       set_state (c, false);
+
+                                       if (get_state (c) == PortMatrixNode::ASSOCIATED) {
+                                               set_state (c, false);
+                                       }
 
                                }
                        }
                }
        }
 
-       _body.rebuild_and_draw_grid ();
+       _body->rebuild_and_draw_grid ();
 }
 
 /* Decide how to arrange the components of the matrix */
@@ -296,27 +287,51 @@ void
 PortMatrix::select_arrangement ()
 {
        uint32_t const N[2] = {
-               _ports[0].total_visible_ports (),
-               _ports[1].total_visible_ports ()
+               _ports[0].total_channels (),
+               _ports[1].total_channels ()
        };
 
-       /* The list with the most ports goes on left or right, so that the most port
+       /* The list with the most channels goes on left or right, so that the most channel
           names are printed horizontally and hence more readable.  However we also
           maintain notional `signal flow' vaguely from left to right.  Subclasses
           should choose where to put ports based on signal flowing from _ports[0]
           to _ports[1] */
-       
+
        if (N[0] > N[1]) {
 
                _row_index = 0;
                _column_index = 1;
                _arrangement = LEFT_TO_BOTTOM;
-
+               _vlabel.set_label (_("<b>Sources</b>"));
+               _hlabel.set_label (_("<b>Destinations</b>"));
+               _vlabel.set_angle (90);
+
+               attach (*_body, 1, 2, 0, 1);
+               attach (_vscroll, 2, 3, 0, 1, SHRINK);
+               attach (_hscroll, 1, 2, 2, 3, FILL | EXPAND, SHRINK);
+               attach (_vbox, 0, 1, 0, 1, SHRINK);
+               attach (_hbox, 1, 2, 1, 2, FILL | EXPAND, SHRINK);
+
+               set_col_spacing (0, 4);
+               set_row_spacing (0, 4);
+               
        } else {
 
                _row_index = 1;
                _column_index = 0;
                _arrangement = TOP_TO_RIGHT;
+               _hlabel.set_label (_("<b>Sources</b>"));
+               _vlabel.set_label (_("<b>Destinations</b>"));
+               _vlabel.set_angle (-90);
+
+               attach (*_body, 0, 1, 1, 2);
+               attach (_vscroll, 2, 3, 1, 2, SHRINK);
+               attach (_hscroll, 0, 1, 2, 3, FILL | EXPAND, SHRINK);
+               attach (_vbox, 1, 2, 1, 2, SHRINK);
+               attach (_hbox, 0, 1, 0, 1, FILL | EXPAND, SHRINK);
+
+               set_col_spacing (1, 4);
+               set_row_spacing (1, 4);
        }
 }
 
@@ -327,6 +342,12 @@ PortMatrix::columns () const
        return &_ports[_column_index];
 }
 
+boost::shared_ptr<const PortGroup>
+PortMatrix::visible_columns () const
+{
+       return visible_ports (_column_index);
+}
+
 /* @return rows list */
 PortGroupList const *
 PortMatrix::rows () const
@@ -334,96 +355,494 @@ PortMatrix::rows () const
        return &_ports[_row_index];
 }
 
-/** A group visibility checkbutton has been toggled.
- * @param w Group.
- * @param b Button.
- */
+boost::shared_ptr<const PortGroup>
+PortMatrix::visible_rows () const
+{
+       return visible_ports (_row_index);
+}
+
+void
+PortMatrix::popup_menu (BundleChannel column, BundleChannel row, uint32_t t)
+{
+       using namespace Menu_Helpers;
+
+       delete _menu;
+
+       _menu = new Menu;
+       _menu->set_name ("ArdourContextMenu");
+
+       MenuList& items = _menu->items ();
+
+       BundleChannel bc[2];
+       bc[_column_index] = column;
+       bc[_row_index] = row;
+
+       char buf [64];
+       bool need_separator = false;
+
+       for (int dim = 0; dim < 2; ++dim) {
+
+               if (bc[dim].bundle) {
+
+                       Menu* m = manage (new Menu);
+                       MenuList& sub = m->items ();
+
+                       boost::weak_ptr<Bundle> w (bc[dim].bundle);
+
+                       bool can_add_or_rename = false;
+
+                       if (can_add_channel (bc[dim].bundle)) {
+                               snprintf (buf, sizeof (buf), _("Add %s"), channel_noun().c_str());
+                               sub.push_back (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::add_channel_proxy), w)));
+                               can_add_or_rename = true;
+                       }
+
+
+                       if (can_rename_channels (bc[dim].bundle)) {
+                               snprintf (
+                                       buf, sizeof (buf), _("Rename '%s'..."),
+                                       escape_underscores (bc[dim].bundle->channel_name (bc[dim].channel)).c_str()
+                                       );
+                               sub.push_back (
+                                       MenuElem (
+                                               buf,
+                                               sigc::bind (sigc::mem_fun (*this, &PortMatrix::rename_channel_proxy), w, bc[dim].channel)
+                                               )
+                                       );
+                               can_add_or_rename = true;
+                       }
+
+                       if (can_add_or_rename) {
+                               sub.push_back (SeparatorElem ());
+                       }
+
+                       if (can_remove_channels (bc[dim].bundle)) {
+                               if (bc[dim].channel != -1) {
+                                       add_remove_option (sub, w, bc[dim].channel);
+                               } else {
+
+                                       snprintf (buf, sizeof (buf), _("Remove all"));
+                                       sub.push_back (
+                                               MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::remove_all_channels), w))
+                                               );
+                                       
+                                       for (uint32_t i = 0; i < bc[dim].bundle->nchannels(); ++i) {
+                                               add_remove_option (sub, w, i);
+                                       }
+                               }
+                       }
+
+                       if (_show_only_bundles || bc[dim].bundle->nchannels() <= 1) {
+                               snprintf (buf, sizeof (buf), _("%s all"), disassociation_verb().c_str());
+                               sub.push_back (
+                                       MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::disassociate_all_on_channel), w, bc[dim].channel, dim))
+                                       );
+                               
+                       } else {
+                               
+                               if (bc[dim].channel != -1) {
+                                       add_disassociate_option (sub, w, dim, bc[dim].channel);
+                               } else {
+                                       snprintf (buf, sizeof (buf), _("%s all"), disassociation_verb().c_str());
+                                       sub.push_back (
+                                               MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::disassociate_all_on_bundle), w, dim))
+                                               );
+                                                       
+                                       for (uint32_t i = 0; i < bc[dim].bundle->nchannels(); ++i) {
+                                               add_disassociate_option (sub, w, dim, i);
+                                       }
+                               }
+                       }
+
+                       items.push_back (MenuElem (escape_underscores (bc[dim].bundle->name()).c_str(), *m));
+                       need_separator = true;
+               }
+
+       }
+
+       if (need_separator) {
+               items.push_back (SeparatorElem ());
+       }
+
+       items.push_back (MenuElem (_("Rescan"), sigc::mem_fun (*this, &PortMatrix::setup_all_ports)));
+       items.push_back (CheckMenuElem (_("Show individual ports"), sigc::mem_fun (*this, &PortMatrix::toggle_show_only_bundles)));
+       CheckMenuItem* i = dynamic_cast<CheckMenuItem*> (&items.back());
+       _inhibit_toggle_show_only_bundles = true;
+       i->set_active (!_show_only_bundles);
+       _inhibit_toggle_show_only_bundles = false;
+
+       _menu->popup (1, t);
+}
+
 void
-PortMatrix::visibility_toggled (boost::weak_ptr<PortGroup> w, Gtk::CheckButton* b)
+PortMatrix::remove_channel_proxy (boost::weak_ptr<Bundle> b, uint32_t c)
 {
-       boost::shared_ptr<PortGroup> g = w.lock ();
-       if (!g) {
+       boost::shared_ptr<Bundle> sb = b.lock ();
+       if (!sb) {
                return;
        }
-       
-       g->set_visible (b->get_active());
-       _body.setup ();
-       setup_scrollbars ();
-       queue_draw ();
+
+       remove_channel (BundleChannel (sb, c));
+
 }
 
 void
-PortMatrix::popup_channel_context_menu (int dim, uint32_t N, uint32_t t)
+PortMatrix::rename_channel_proxy (boost::weak_ptr<Bundle> b, uint32_t c)
 {
-       delete _menu;
+       boost::shared_ptr<Bundle> sb = b.lock ();
+       if (!sb) {
+               return;
+       }
 
-       _menu = new Gtk::Menu;
-       _menu->set_name ("ArdourContextMenu");
-       
-       Gtk::Menu_Helpers::MenuList& items = _menu->items ();
+       rename_channel (BundleChannel (sb, c));
+}
+
+void
+PortMatrix::disassociate_all_on_bundle (boost::weak_ptr<Bundle> bundle, int dim)
+{
+       boost::shared_ptr<Bundle> sb = bundle.lock ();
+       if (!sb) {
+               return;
+       }
+
+       for (uint32_t i = 0; i < sb->nchannels(); ++i) {
+               disassociate_all_on_channel (bundle, i, dim);
+       }
+}
+
+void
+PortMatrix::disassociate_all_on_channel (boost::weak_ptr<Bundle> bundle, uint32_t channel, int dim)
+{
+       boost::shared_ptr<Bundle> sb = bundle.lock ();
+       if (!sb) {
+               return;
+       }
+
+       PortGroup::BundleList a = _ports[1-dim].bundles ();
 
-       ARDOUR::BundleChannel bc;
+       for (PortGroup::BundleList::iterator i = a.begin(); i != a.end(); ++i) {
+               for (uint32_t j = 0; j < (*i)->bundle->nchannels(); ++j) {
 
-       ARDOUR::BundleList const r = _ports[dim].bundles();
-       for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
-               if (N < (*i)->nchannels ()) {
-                       bc = ARDOUR::BundleChannel (*i, N);
-                       break;
-               } else {
-                       N -= (*i)->nchannels ();
+                       BundleChannel c[2];
+                       c[dim] = BundleChannel (sb, channel);
+                       c[1-dim] = BundleChannel ((*i)->bundle, j);
+
+                       if (get_state (c) == PortMatrixNode::ASSOCIATED) {
+                               set_state (c, false);
+                       }
                }
        }
 
-       if (bc.bundle) {
-               char buf [64];
+       _body->rebuild_and_draw_grid ();
+}
 
-               if (can_rename_channels (dim)) {
-                       snprintf (buf, sizeof (buf), _("Rename '%s'..."), bc.bundle->channel_name (bc.channel).c_str());
-                       boost::weak_ptr<ARDOUR::Bundle> w (bc.bundle);
-                       items.push_back (
-                               Gtk::Menu_Helpers::MenuElem (
-                                       buf,
-                                       sigc::bind (sigc::mem_fun (*this, &PortMatrix::rename_channel_proxy), w, bc.channel)
-                                       )
-                               );
+void
+PortMatrix::setup_global_ports ()
+{
+       ENSURE_GUI_THREAD (*this, &PortMatrix::setup_global_ports)
+
+       for (int i = 0; i < 2; ++i) {
+               if (list_is_global (i)) {
+                       setup_ports (i);
                }
+       }
+}
+
+void
+PortMatrix::setup_all_ports ()
+{
+       if (_session->deletion_in_progress()) {
+               return;
+       }
+
+       ENSURE_GUI_THREAD (*this, &PortMatrix::setup_all_ports)
+
+       setup_ports (0);
+       setup_ports (1);
+}
+
+void
+PortMatrix::toggle_show_only_bundles ()
+{
+       if (_inhibit_toggle_show_only_bundles) {
+               return;
+       }
+
+       _show_only_bundles = !_show_only_bundles;
+       
+       setup ();
+}
+
+pair<uint32_t, uint32_t>
+PortMatrix::max_size () const
+{
+       pair<uint32_t, uint32_t> m = _body->max_size ();
+
+       m.first += _vscroll.get_width ();
+       m.second += _hscroll.get_height ();
+
+       return m;
+}
+
+bool
+PortMatrix::on_scroll_event (GdkEventScroll* ev)
+{
+       double const h = _hscroll.get_value ();
+       double const v = _vscroll.get_value ();
+
+       switch (ev->direction) {
+       case GDK_SCROLL_UP:
+               _vscroll.set_value (v - PortMatrixComponent::grid_spacing ());
+               break;
+       case GDK_SCROLL_DOWN:
+               _vscroll.set_value (v + PortMatrixComponent::grid_spacing ());
+               break;
+       case GDK_SCROLL_LEFT:
+               _hscroll.set_value (h - PortMatrixComponent::grid_spacing ());
+               break;
+       case GDK_SCROLL_RIGHT:
+               _hscroll.set_value (h + PortMatrixComponent::grid_spacing ());
+               break;
+       }
+
+       return true;
+}
+
+boost::shared_ptr<IO>
+PortMatrix::io_from_bundle (boost::shared_ptr<Bundle> b) const
+{
+       boost::shared_ptr<IO> io = _ports[0].io_from_bundle (b);
+       if (!io) {
+               io = _ports[1].io_from_bundle (b);
+       }
+
+       return io;
+}
 
-               if (can_remove_channels (dim)) {
-                       snprintf (buf, sizeof (buf), _("Remove '%s'"), bc.bundle->channel_name (bc.channel).c_str());
-                       boost::weak_ptr<ARDOUR::Bundle> w (bc.bundle);
-                       items.push_back (
-                               Gtk::Menu_Helpers::MenuElem (
-                                       buf,
-                                       sigc::bind (sigc::mem_fun (*this, &PortMatrix::remove_channel_proxy), w, bc.channel)
-                                       )
-                               );
+bool
+PortMatrix::can_add_channel (boost::shared_ptr<Bundle> b) const
+{
+       return io_from_bundle (b);
+}
+
+void
+PortMatrix::add_channel (boost::shared_ptr<Bundle> b)
+{
+       boost::shared_ptr<IO> io = io_from_bundle (b);
+
+       if (io) {
+               io->add_port ("", this, _type);
+       }
+}
+
+bool
+PortMatrix::can_remove_channels (boost::shared_ptr<Bundle> b) const
+{
+       return io_from_bundle (b);
+}
+
+void
+PortMatrix::remove_channel (ARDOUR::BundleChannel b)
+{
+       boost::shared_ptr<IO> io = io_from_bundle (b.bundle);
+
+       if (io) {
+               Port* p = io->nth (b.channel);
+               if (p) {
+                       io->remove_port (p, this);
                }
-                       
-               _menu->popup (1, t);
        }
+}
+
+void
+PortMatrix::remove_all_channels (boost::weak_ptr<Bundle> w)
+{
+       boost::shared_ptr<Bundle> b = w.lock ();
+       if (!b) {
+               return;
+       }
+
+       for (uint32_t i = 0; i < b->nchannels(); ++i) {
+               remove_channel (ARDOUR::BundleChannel (b, i));
+       }
+}
+
+void
+PortMatrix::add_channel_proxy (boost::weak_ptr<Bundle> w)
+{
+       boost::shared_ptr<Bundle> b = w.lock ();
+       if (!b) {
+               return;
+       }
+
+       add_channel (b);
+}
+
+void
+PortMatrix::setup_notebooks ()
+{
+       int const h_current_page = _hnotebook.get_current_page ();
+       int const v_current_page = _vnotebook.get_current_page ();
+       
+       /* for some reason best known to GTK, erroneous switch_page signals seem to be generated
+          when adding or removing pages to or from notebooks, so ignore them */
+       
+       _ignore_notebook_page_selected = true;
        
+       remove_notebook_pages (_hnotebook);
+       remove_notebook_pages (_vnotebook);
+
+       for (PortGroupList::List::const_iterator i = _ports[_row_index].begin(); i != _ports[_row_index].end(); ++i) {
+               HBox* dummy = manage (new HBox);
+               dummy->show ();
+               Label* label = manage (new Label ((*i)->name));
+               label->set_angle (_arrangement == LEFT_TO_BOTTOM ? 90 : -90);
+               label->show ();
+               _vnotebook.prepend_page (*dummy, *label);
+       }
+
+       for (PortGroupList::List::const_iterator i = _ports[_column_index].begin(); i != _ports[_column_index].end(); ++i) {
+               HBox* dummy = manage (new HBox);
+               dummy->show ();
+               _hnotebook.append_page (*dummy, (*i)->name);
+       }
+
+       _ignore_notebook_page_selected = false;
+
+       _vnotebook.set_tab_pos (POS_LEFT);
+       _hnotebook.set_tab_pos (POS_TOP);
+
+       if (h_current_page != -1 && _hnotebook.get_n_pages() > h_current_page) {
+               _hnotebook.set_current_page (h_current_page);
+       } else {
+               _hnotebook.set_current_page (0);
+       }
+
+       if (v_current_page != -1 && _vnotebook.get_n_pages() > v_current_page) {
+               _vnotebook.set_current_page (v_current_page);
+       } else {
+               _vnotebook.set_current_page (0);
+       }
+
+       if (_hnotebook.get_n_pages() <= 1) {
+               _hbox.hide ();
+       } else {
+               _hbox.show ();
+       }
+
+       if (_vnotebook.get_n_pages() <= 1) {
+               _vbox.hide ();
+       } else {
+               _vbox.show ();
+       }
 }
 
+void
+PortMatrix::remove_notebook_pages (Notebook& n)
+{
+       int const N = n.get_n_pages ();
+       
+       for (int i = 0; i < N; ++i) {
+               n.remove_page ();
+       }
+}
 
 void
-PortMatrix::remove_channel_proxy (boost::weak_ptr<ARDOUR::Bundle> b, uint32_t c)
+PortMatrix::notebook_page_selected (GtkNotebookPage *, guint)
 {
-       boost::shared_ptr<ARDOUR::Bundle> sb = b.lock ();
-       if (!sb) {
+       if (_ignore_notebook_page_selected) {
                return;
        }
 
-       remove_channel (ARDOUR::BundleChannel (sb, c));
+       _body->setup ();
+       setup_scrollbars ();
+       queue_draw ();
+}
+
+void
+PortMatrix::session_going_away ()
+{
+       _session = 0;
+}
+
+void
+PortMatrix::body_dimensions_changed ()
+{
+       _hspacer.set_size_request (_body->column_labels_border_x (), -1);
+       if (_arrangement == TOP_TO_RIGHT) {
+               _vspacer.set_size_request (-1, _body->column_labels_height ());
+               _vspacer.show ();
+       } else {
+               _vspacer.hide ();
+       }
+
+}
+
+
+boost::shared_ptr<const PortGroup>
+PortMatrix::visible_ports (int d) const
+{
+       PortGroupList const & p = _ports[d];
+       PortGroupList::List::const_iterator j = p.begin ();
+
+       int n = 0;
+       if (d == _row_index) {
+               n = p.size() - _vnotebook.get_current_page () - 1;
+       } else {
+               n = _hnotebook.get_current_page ();
+       }
 
+       int i = 0;
+       while (i != int (n) && j != p.end ()) {
+               ++i;
+               ++j;
+       }
+               
+       if (j == p.end()) {
+               return boost::shared_ptr<const PortGroup> ();
+       }
+
+       return *j;
 }
 
 void
-PortMatrix::rename_channel_proxy (boost::weak_ptr<ARDOUR::Bundle> b, uint32_t c)
+PortMatrix::add_remove_option (Menu_Helpers::MenuList& m, boost::weak_ptr<Bundle> w, int c)
 {
-       boost::shared_ptr<ARDOUR::Bundle> sb = b.lock ();
-       if (!sb) {
+       using namespace Menu_Helpers;
+
+       boost::shared_ptr<Bundle> b = w.lock ();
+       if (!b) {
                return;
        }
+       
+       char buf [64];
+       snprintf (buf, sizeof (buf), _("Remove '%s'"), escape_underscores (b->channel_name (c)).c_str());
+       m.push_back (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::remove_channel_proxy), w, c)));
+}
 
-       rename_channel (ARDOUR::BundleChannel (sb, c));
+void
+PortMatrix::add_disassociate_option (Menu_Helpers::MenuList& m, boost::weak_ptr<Bundle> w, int d, int c)
+{
+       using namespace Menu_Helpers;
+
+       boost::shared_ptr<Bundle> b = w.lock ();
+       if (!b) {
+               return;
+       }
+       
+       char buf [64];
+       snprintf (buf, sizeof (buf), _("%s all from '%s'"), disassociation_verb().c_str(), escape_underscores (b->channel_name (c)).c_str());
+       m.push_back (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::disassociate_all_on_channel), w, c, d)));
+}
+
+void
+PortMatrix::port_connected_or_disconnected ()
+{
+       _body->rebuild_and_draw_grid ();
+}
+
+string
+PortMatrix::channel_noun () const
+{
+       return _("channel");
 }