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livetrax/gtk2_ardour/port_matrix.cc
Carl Hetherington c601946bc8 Bit of a hack to make the port matrix for port inserts at least vaguely usable.
git-svn-id: svn://localhost/ardour2/branches/3.0@4516 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-02-10 02:09:46 +00:00

504 lines
13 KiB
C++

/*
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
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 <iostream>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/label.h>
#include <gtkmm/menu.h>
#include <gtkmm/menushell.h>
#include <gtkmm/menu_elems.h>
#include "ardour/bundle.h"
#include "ardour/types.h"
#include "ardour/session.h"
#include "ardour/route.h"
#include "port_matrix.h"
#include "port_matrix_body.h"
#include "i18n.h"
/** 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),
_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),
_min_height_divisor (1)
{
_body = new PortMatrixBody (this);
for (int i = 0; i < 2; ++i) {
_ports[i].set_type (type);
/* watch for the content of _ports[] changing */
_ports[i].Changed.connect (sigc::mem_fun (*this, &PortMatrix::setup));
}
_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)));
/* and also bundles */
_session.BundleAdded.connect (sigc::hide (sigc::mem_fun (*this, &PortMatrix::setup_global_ports)));
reconnect_to_routes ();
show_all ();
}
PortMatrix::~PortMatrix ()
{
delete _body;
for (std::vector<Gtk::CheckButton*>::iterator i = _column_visibility_buttons.begin(); i != _column_visibility_buttons.end(); ++i) {
delete *i;
}
for (std::vector<Gtk::CheckButton*>::iterator i = _row_visibility_buttons.begin(); i != _row_visibility_buttons.end(); ++i) {
delete *i;
}
delete _menu;
}
/** 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.clear ();
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_global_ports))
);
}
}
/** A route has been added to or removed from the session */
void
PortMatrix::routes_changed ()
{
reconnect_to_routes ();
setup_global_ports ();
}
/** Set up everything that depends on the content of _ports[] */
void
PortMatrix::setup ()
{
select_arrangement ();
_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)
{
_type = t;
_ports[0].set_type (_type);
_ports[1].set_type (_type);
setup_all_ports ();
}
void
PortMatrix::hscroll_changed ()
{
_body->set_xoffset (_hscroll.get_adjustment()->get_value());
}
void
PortMatrix::vscroll_changed ()
{
_body->set_yoffset (_vscroll.get_adjustment()->get_value());
}
void
PortMatrix::setup_scrollbars ()
{
Gtk::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_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_step_increment (32);
a->set_page_increment (128);
}
/** Disassociate all of our ports from each other */
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)
};
if (get_state (c) == ASSOCIATED) {
set_state (c, false);
}
}
}
}
}
_body->rebuild_and_draw_grid ();
}
/* Decide how to arrange the components of the matrix */
void
PortMatrix::select_arrangement ()
{
uint32_t const N[2] = {
_ports[0].total_visible_channels (),
_ports[1].total_visible_channels ()
};
/* 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;
} else {
_row_index = 1;
_column_index = 0;
_arrangement = TOP_TO_RIGHT;
}
}
/** @return columns list */
PortGroupList const *
PortMatrix::columns () const
{
return &_ports[_column_index];
}
/* @return rows list */
PortGroupList const *
PortMatrix::rows () const
{
return &_ports[_row_index];
}
/** A group visibility checkbutton has been toggled.
* @param w Group.
* @param b Button.
*/
void
PortMatrix::visibility_toggled (boost::weak_ptr<PortGroup> w, Gtk::CheckButton* b)
{
boost::shared_ptr<PortGroup> g = w.lock ();
if (!g) {
return;
}
g->set_visible (b->get_active());
_body->setup ();
setup_scrollbars ();
queue_draw ();
}
void
PortMatrix::popup_channel_context_menu (int dim, uint32_t N, uint32_t t)
{
delete _menu;
_menu = new Gtk::Menu;
_menu->set_name ("ArdourContextMenu");
Gtk::Menu_Helpers::MenuList& items = _menu->items ();
ARDOUR::BundleChannel bc;
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 ();
}
}
if (bc.bundle) {
char buf [64];
bool have_one = false;
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)
)
);
have_one = true;
}
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)
)
);
have_one = true;
}
if (have_one) {
items.push_back (Gtk::Menu_Helpers::SeparatorElem ());
}
boost::weak_ptr<ARDOUR::Bundle> w (bc.bundle);
items.push_back (Gtk::Menu_Helpers::MenuElem (
_("Disassociate all"),
sigc::bind (sigc::mem_fun (*this, &PortMatrix::disassociate_all_on_channel), w, bc.channel, dim)
)
);
_menu->popup (1, t);
}
}
void
PortMatrix::remove_channel_proxy (boost::weak_ptr<ARDOUR::Bundle> b, uint32_t c)
{
boost::shared_ptr<ARDOUR::Bundle> sb = b.lock ();
if (!sb) {
return;
}
remove_channel (ARDOUR::BundleChannel (sb, c));
}
void
PortMatrix::rename_channel_proxy (boost::weak_ptr<ARDOUR::Bundle> b, uint32_t c)
{
boost::shared_ptr<ARDOUR::Bundle> sb = b.lock ();
if (!sb) {
return;
}
rename_channel (ARDOUR::BundleChannel (sb, c));
}
void
PortMatrix::disassociate_all_on_channel (boost::weak_ptr<ARDOUR::Bundle> bundle, uint32_t channel, int dim)
{
boost::shared_ptr<ARDOUR::Bundle> sb = bundle.lock ();
if (!sb) {
return;
}
ARDOUR::BundleList a = _ports[1-dim].bundles ();
for (ARDOUR::BundleList::iterator i = a.begin(); i != a.end(); ++i) {
for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
ARDOUR::BundleChannel c[2];
c[dim] = ARDOUR::BundleChannel (sb, channel);
c[1-dim] = ARDOUR::BundleChannel (*i, j);
if (get_state (c) == ASSOCIATED) {
set_state (c, false);
}
}
}
_body->rebuild_and_draw_grid ();
}
void
PortMatrix::setup_global_ports ()
{
for (int i = 0; i < 2; ++i) {
if (list_is_global (i)) {
setup_ports (i);
}
}
}
void
PortMatrix::setup_all_ports ()
{
setup_ports (0);
setup_ports (1);
}