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ardour/gtk2_ardour/port_matrix.cc

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/*
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 <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"
using namespace std;
using namespace sigc;
using namespace Gtk;
using namespace ARDOUR;
/** PortMatrix constructor.
* @param session Our session.
* @param type Port type that we are handling.
*/
PortMatrix::PortMatrix (Window* parent, Session* session, DataType type)
: Table (3, 3),
_session (session),
_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)
{
_body = new PortMatrixBody (this);
_body->DimensionsChanged.connect (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 (mem_fun (*this, &PortMatrix::v_page_selected));
_vnotebook.property_tab_border() = 4;
_vnotebook.set_name (X_("PortMatrixLabel"));
_hnotebook.signal_switch_page().connect (mem_fun (*this, &PortMatrix::h_page_selected));
_hnotebook.property_tab_border() = 4;
_hnotebook.set_name (X_("PortMatrixLabel"));
for (int i = 0; i < 2; ++i) {
_ports[i].set_type (type);
}
_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 ();
_vlabel.show ();
_hlabel.show ();
_hspacer.show ();
}
PortMatrix::~PortMatrix ()
{
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 ();
if (!_ports[0].empty()) {
_visible_ports[0] = *_ports[0].begin();
}
if (!_ports[1].empty()) {
_visible_ports[1] = *_ports[1].begin();
}
/* Signal handling is kind of split into two 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).
*/
/* 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 (mem_fun (*this, &PortMatrix::setup));
/* and for bundles in _ports[] changing */
_ports[i].BundleChanged.connect (sigc::hide (mem_fun (*this, &PortMatrix::setup)));
}
/* scrolling stuff */
_hscroll.signal_value_changed().connect (mem_fun (*this, &PortMatrix::hscroll_changed));
_vscroll.signal_value_changed().connect (mem_fun (*this, &PortMatrix::vscroll_changed));
/* 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 (sigc::hide (mem_fun (*this, &PortMatrix::routes_changed)));
/* and also bundles */
_session->BundleAdded.connect (sigc::hide (mem_fun (*this, &PortMatrix::setup_global_ports)));
/* and also ports */
_session->engine().PortRegisteredOrUnregistered.connect (mem_fun (*this, &PortMatrix::setup_global_ports));
_session->GoingAway.connect (mem_fun (*this, &PortMatrix::session_going_away));
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 (vector<connection>::iterator i = _route_connections.begin(); i != _route_connections.end(); ++i) {
i->disconnect ();
}
_route_connections.clear ();
boost::shared_ptr<RouteList> routes = _session->get_routes ();
for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
_route_connections.push_back (
(*i)->processors_changed.connect (mem_fun (*this, &PortMatrix::route_processors_changed))
);
}
}
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 */
void
PortMatrix::routes_changed ()
{
reconnect_to_routes ();
setup_global_ports ();
}
/** Set up everything that depends on the content of _ports[] */
void
PortMatrix::setup ()
{
_body->setup ();
setup_scrollbars ();
setup_notebooks ();
queue_draw ();
}
void
PortMatrix::set_type (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 ()
{
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 ()
{
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)
};
if (get_state (c) == PortMatrixNode::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_channels (),
_ports[1].total_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;
_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);
}
}
/** @return columns list */
PortGroupList const *
PortMatrix::columns () const
{
return &_ports[_column_index];
}
boost::shared_ptr<PortGroup>
PortMatrix::visible_columns () const
{
return _visible_ports[_column_index];
}
/* @return rows list */
PortGroupList const *
PortMatrix::rows () const
{
return &_ports[_row_index];
}
boost::shared_ptr<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, bind (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'..."), bc[dim].bundle->channel_name (bc[dim].channel).c_str());
sub.push_back (
MenuElem (
buf,
bind (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)) {
snprintf (buf, sizeof (buf), _("Remove '%s'"), bc[dim].bundle->channel_name (bc[dim].channel).c_str());
sub.push_back (
MenuElem (
buf,
bind (mem_fun (*this, &PortMatrix::remove_channel_proxy), w, bc[dim].channel)
)
);
}
if (_show_only_bundles || bc[dim].bundle->nchannels() <= 1) {
snprintf (buf, sizeof (buf), _("%s all"), disassociation_verb().c_str());
} else {
snprintf (
buf, sizeof (buf), _("%s all from '%s'"),
disassociation_verb().c_str(),
bc[dim].bundle->channel_name (bc[dim].channel).c_str()
);
}
sub.push_back (
MenuElem (buf, bind (mem_fun (*this, &PortMatrix::disassociate_all_on_channel), w, bc[dim].channel, dim))
);
items.push_back (MenuElem (bc[dim].bundle->name().c_str(), *m));
need_separator = true;
}
}
if (need_separator) {
items.push_back (SeparatorElem ());
}
items.push_back (MenuElem (_("Rescan"), mem_fun (*this, &PortMatrix::setup_all_ports)));
items.push_back (CheckMenuElem (_("Show individual ports"), 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::remove_channel_proxy (boost::weak_ptr<Bundle> b, uint32_t c)
{
boost::shared_ptr<Bundle> sb = b.lock ();
if (!sb) {
return;
}
remove_channel (BundleChannel (sb, c));
}
void
PortMatrix::rename_channel_proxy (boost::weak_ptr<Bundle> b, uint32_t c)
{
boost::shared_ptr<Bundle> sb = b.lock ();
if (!sb) {
return;
}
rename_channel (BundleChannel (sb, c));
}
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 ();
for (PortGroup::BundleList::iterator i = a.begin(); i != a.end(); ++i) {
for (uint32_t j = 0; j < i->bundle->nchannels(); ++j) {
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);
}
}
}
_body->rebuild_and_draw_grid ();
}
void
PortMatrix::setup_global_ports ()
{
ENSURE_GUI_THREAD (mem_fun (*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 (mem_fun (*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;
}
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);
}
}
}
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);
_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 {
_vbox.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::v_page_selected (GtkNotebookPage *, guint n)
{
if (_ignore_notebook_page_selected) {
return;
}
PortGroupList& p = _ports[_row_index];
n = p.size() - n - 1;
int i = 0;
PortGroupList::List::const_iterator j = p.begin();
while (i != int (n) && j != p.end()) {
++i;
++j;
}
if (j != p.end()) {
_visible_ports[_row_index] = *j;
_body->setup ();
setup_scrollbars ();
queue_draw ();
}
}
void
PortMatrix::h_page_selected (GtkNotebookPage *, guint n)
{
if (_ignore_notebook_page_selected) {
return;
}
PortGroupList& p = _ports[_column_index];
int i = 0;
PortGroupList::List::const_iterator j = p.begin();
while (i != int (n) && j != p.end()) {
++i;
++j;
}
if (j != p.end()) {
_visible_ports[_column_index] = *j;
_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 ();
}
}
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