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livetrax/gtk2_ardour/port_matrix.cc

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/*
Copyright (C) 2002-2007 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 <gtkmm/label.h>
#include <gtkmm/enums.h>
#include <gtkmm/image.h>
#include <gtkmm/stock.h>
#include <gtkmm/messagedialog.h>
#include <gtkmm/menu.h>
#include <gtkmm/menu_elems.h>
#include <gtkmm/menuitem.h>
#include <gtkmm/menushell.h>
#include <glibmm/objectbase.h>
#include <gtkmm2ext/doi.h>
#include <ardour/port_insert.h>
#include "ardour/session.h"
#include "ardour/io.h"
#include "ardour/audioengine.h"
#include "ardour/track.h"
#include "ardour/audio_track.h"
#include "ardour/midi_track.h"
#include "ardour/data_type.h"
#include "io_selector.h"
#include "utils.h"
#include "gui_thread.h"
#include "i18n.h"
/** Add a port to a group.
* @param p Port name, with or without prefix.
*/
void
PortGroup::add (std::string const & p)
{
if (prefix.empty() == false && p.substr (0, prefix.length()) == prefix) {
ports.push_back (p.substr (prefix.length()));
} else {
ports.push_back (p);
}
}
/** PortGroupUI constructor.
* @param m PortMatrix to work for.
* @Param g PortGroup to represent.
*/
PortGroupUI::PortGroupUI (PortMatrix& m, PortGroup& g)
: _port_matrix (m), _port_group (g), _ignore_check_button_toggle (false),
_visibility_checkbutton (g.name)
{
int const ports = _port_group.ports.size();
int const rows = _port_matrix.n_rows ();
if (rows == 0 || ports == 0) {
return;
}
/* Sort out the table and the checkbuttons inside it */
_table.resize (rows, ports);
_port_checkbuttons.resize (rows);
for (int i = 0; i < rows; ++i) {
_port_checkbuttons[i].resize (ports);
}
for (int i = 0; i < rows; ++i) {
for (uint32_t j = 0; j < _port_group.ports.size(); ++j) {
Gtk::CheckButton* b = new Gtk::CheckButton;
b->signal_toggled().connect (
sigc::bind (sigc::mem_fun (*this, &PortGroupUI::port_checkbutton_toggled), b, i, j)
);
_port_checkbuttons[i][j] = b;
_table.attach (*b, j, j + 1, i, i + 1);
}
}
_table_box.add (_table);
_ignore_check_button_toggle = true;
/* Set the state of the check boxes according to current connections */
for (int i = 0; i < rows; ++i) {
for (uint32_t j = 0; j < _port_group.ports.size(); ++j) {
std::string const t = _port_group.prefix + _port_group.ports[j];
bool const s = _port_matrix.get_state (i, t);
_port_checkbuttons[i][j]->set_active (s);
if (s) {
_port_group.visible = true;
}
}
}
_ignore_check_button_toggle = false;
_visibility_checkbutton.signal_toggled().connect (sigc::mem_fun (*this, &PortGroupUI::visibility_checkbutton_toggled));
}
/** The visibility of a PortGroupUI has been toggled */
void
PortGroupUI::visibility_checkbutton_toggled ()
{
_port_group.visible = _visibility_checkbutton.get_active ();
setup_visibility ();
}
/** @return Width and height of a single checkbutton in a port group table */
std::pair<int, int>
PortGroupUI::unit_size () const
{
if (_port_checkbuttons.empty() || _port_checkbuttons[0].empty())
{
return std::pair<int, int> (0, 0);
}
int r = 0;
/* We can't ask for row spacing unless there >1 rows, otherwise we get a warning */
if (_table.property_n_rows() > 1) {
r = _table.get_row_spacing (0);
}
return std::make_pair (
_port_checkbuttons[0][0]->get_width() + _table.get_col_spacing (0),
_port_checkbuttons[0][0]->get_height() + r
);
}
/** @return Table widget containing the port checkbuttons */
Gtk::Widget&
PortGroupUI::get_table ()
{
return _table_box;
}
/** @return Checkbutton used to toggle visibility */
Gtk::Widget&
PortGroupUI::get_visibility_checkbutton ()
{
return _visibility_checkbutton;
}
/** Handle a toggle of a port check button */
void
PortGroupUI::port_checkbutton_toggled (Gtk::CheckButton* b, int r, int c)
{
if (_ignore_check_button_toggle == false) {
_port_matrix.set_state (r, _port_group.prefix + _port_group.ports[c], b->get_active());
}
}
/** Set up visibility of the port group according to PortGroup::visible */
void
PortGroupUI::setup_visibility ()
{
if (_port_group.visible) {
_table_box.show ();
} else {
_table_box.hide ();
}
if (_visibility_checkbutton.get_active () != _port_group.visible) {
_visibility_checkbutton.set_active (_port_group.visible);
}
}
RotatedLabelSet::RotatedLabelSet (PortGroupList& g)
: Glib::ObjectBase ("RotatedLabelSet"), Gtk::Widget (), _port_group_list (g), _base_width (128)
{
set_flags (Gtk::NO_WINDOW);
set_angle (30);
}
RotatedLabelSet::~RotatedLabelSet ()
{
}
/** Set the angle that the labels are drawn at.
* @param degrees New angle in degrees.
*/
void
RotatedLabelSet::set_angle (int degrees)
{
_angle_degrees = degrees;
_angle_radians = M_PI * _angle_degrees / 180;
queue_resize ();
}
void
RotatedLabelSet::on_size_request (Gtk::Requisition* requisition)
{
*requisition = Gtk::Requisition ();
if (_pango_layout == 0) {
return;
}
/* Our height is the highest label */
requisition->height = 0;
for (PortGroupList::const_iterator i = _port_group_list.begin(); i != _port_group_list.end(); ++i) {
for (std::vector<std::string>::const_iterator j = (*i)->ports.begin(); j != (*i)->ports.end(); ++j) {
std::pair<int, int> const d = setup_layout (*j);
if (d.second > requisition->height) {
requisition->height = d.second;
}
}
}
/* And our width is the base plus the width of the last label */
requisition->width = _base_width;
int const n = _port_group_list.n_visible_ports ();
if (n > 0) {
std::pair<int, int> const d = setup_layout (_port_group_list.get_port_by_index (n - 1, false));
requisition->width += d.first;
}
}
void
RotatedLabelSet::on_size_allocate (Gtk::Allocation& allocation)
{
set_allocation (allocation);
if (_gdk_window) {
_gdk_window->move_resize (
allocation.get_x(), allocation.get_y(), allocation.get_width(), allocation.get_height()
);
}
}
void
RotatedLabelSet::on_realize ()
{
Gtk::Widget::on_realize ();
Glib::RefPtr<Gtk::Style> style = get_style ();
if (!_gdk_window) {
GdkWindowAttr attributes;
memset (&attributes, 0, sizeof (attributes));
Gtk::Allocation allocation = get_allocation ();
attributes.x = allocation.get_x ();
attributes.y = allocation.get_y ();
attributes.width = allocation.get_width ();
attributes.height = allocation.get_height ();
attributes.event_mask = get_events () | Gdk::EXPOSURE_MASK;
attributes.window_type = GDK_WINDOW_CHILD;
attributes.wclass = GDK_INPUT_OUTPUT;
_gdk_window = Gdk::Window::create (get_window (), &attributes, GDK_WA_X | GDK_WA_Y);
unset_flags (Gtk::NO_WINDOW);
set_window (_gdk_window);
_bg_colour = style->get_bg (Gtk::STATE_NORMAL );
modify_bg (Gtk::STATE_NORMAL, _bg_colour);
_fg_colour = style->get_fg (Gtk::STATE_NORMAL);
;
_gdk_window->set_user_data (gobj ());
/* Set up Pango stuff */
_pango_context = create_pango_context ();
Pango::Matrix matrix = PANGO_MATRIX_INIT;
pango_matrix_rotate (&matrix, _angle_degrees);
_pango_context->set_matrix (matrix);
_pango_layout = Pango::Layout::create (_pango_context);
_gc = Gdk::GC::create (get_window ());
}
}
void
RotatedLabelSet::on_unrealize()
{
_gdk_window.clear ();
Gtk::Widget::on_unrealize ();
}
/** Set up our Pango layout to plot a given string, and compute its dimensions once
* it has been rotated.
* @param s String to use.
* @return width and height of the rotated string, in pixels.
*/
std::pair<int, int>
RotatedLabelSet::setup_layout (std::string const & s)
{
_pango_layout->set_text (s);
/* Here's the unrotated size */
int w;
int h;
_pango_layout->get_pixel_size (w, h);
/* Rotate the width and height as appropriate. I thought Pango might be able
to do this for us, but I can't find out how... */
std::pair<int, int> d;
d.first = int (w * cos (_angle_radians) - h * sin (_angle_radians));
d.second = int (w * sin (_angle_radians) + h * cos (_angle_radians));
return d;
}
bool
RotatedLabelSet::on_expose_event (GdkEventExpose* event)
{
if (!_gdk_window) {
return true;
}
int const height = get_allocation().get_height ();
double const spacing = double (_base_width) / _port_group_list.n_visible_ports();
/* Plot all the visible labels; really we should clip for efficiency */
int n = 0;
for (PortGroupList::const_iterator i = _port_group_list.begin(); i != _port_group_list.end(); ++i) {
if ((*i)->visible) {
for (uint32_t j = 0; j < (*i)->ports.size(); ++j) {
std::pair<int, int> const d = setup_layout ((*i)->ports[j]);
get_window()->draw_layout (_gc, int ((n + 0.25) * spacing), height - d.second, _pango_layout, _fg_colour, _bg_colour);
++n;
}
}
}
return true;
}
/** Set the `base width'. This is the width of the base of the label set, ie:
*
* L L L L
* E E E E
* B B B B
* A A A A
* L L L L
* <--w-->
*/
void
RotatedLabelSet::set_base_width (int w)
{
_base_width = w;
queue_resize ();
}
PortMatrix::PortMatrix (ARDOUR::Session& session, ARDOUR::DataType type, bool offer_inputs, PortGroupList::Mask mask)
: _offer_inputs (offer_inputs), _port_group_list (session, type, offer_inputs, mask), _type (type),
_column_labels (_port_group_list)
{
_row_labels_vbox[0] = _row_labels_vbox[1] = 0;
_side_vbox_pad[0] = _side_vbox_pad[1] = 0;
pack_start (_visibility_checkbutton_box, false, false);
_side_vbox[0].pack_start (*Gtk::manage (new Gtk::Label ("")));
_overall_hbox.pack_start (_side_vbox[0], false, false);
_scrolled_window.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER);
_scrolled_window.set_shadow_type (Gtk::SHADOW_NONE);
Gtk::VBox* b = new Gtk::VBox;
b->pack_start (_column_labels, false, false);
b->pack_start (_port_group_hbox, false, false);
Gtk::Alignment* a = new Gtk::Alignment (0, 1, 0, 0);
a->add (*Gtk::manage (b));
_scrolled_window.add (*Gtk::manage (a));
_overall_hbox.pack_start (_scrolled_window);
_side_vbox[1].pack_start (*Gtk::manage (new Gtk::Label ("")));
_overall_hbox.pack_start (_side_vbox[1]);
pack_start (_overall_hbox);
_port_group_hbox.signal_size_allocate().connect (sigc::hide (sigc::mem_fun (*this, &IOSelector::setup_dimensions)));
}
PortMatrix::~PortMatrix ()
{
clear ();
}
/** Clear out the things that change when the number of source or destination ports changes */
void
PortMatrix::clear ()
{
for (int i = 0; i < 2; ++i) {
for (std::vector<Gtk::EventBox*>::iterator j = _row_labels[i].begin(); j != _row_labels[i].end(); ++j) {
delete *j;
}
_row_labels[i].clear ();
if (_row_labels_vbox[i]) {
_side_vbox[i].remove (*_row_labels_vbox[i]);
}
delete _row_labels_vbox[i];
_row_labels_vbox[i] = 0;
if (_side_vbox_pad[i]) {
_side_vbox[i].remove (*_side_vbox_pad[i]);
}
delete _side_vbox_pad[i];
_side_vbox_pad[i] = 0;
}
for (std::vector<PortGroupUI*>::iterator i = _port_group_ui.begin(); i != _port_group_ui.end(); ++i) {
_port_group_hbox.remove ((*i)->get_table());
_visibility_checkbutton_box.remove ((*i)->get_visibility_checkbutton());
delete *i;
}
_port_group_ui.clear ();
}
/** Set up dimensions of some of our widgets which depend on other dimensions
* within the dialogue.
*/
void
PortMatrix::setup_dimensions ()
{
/* Get some dimensions from various places */
int const scrollbar_height = _scrolled_window.get_hscrollbar()->get_height();
std::pair<int, int> unit_size (0, 0);
int port_group_tables_height = 0;
for (std::vector<PortGroupUI*>::iterator i = _port_group_ui.begin(); i != _port_group_ui.end(); ++i) {
std::pair<int, int> const u = (*i)->unit_size ();
unit_size.first = std::max (unit_size.first, u.first);
unit_size.second = std::max (unit_size.second, u.second);
port_group_tables_height = std::max (
port_group_tables_height, (*i)->get_table().get_height()
);
}
/* Column labels */
_column_labels.set_base_width (_port_group_list.n_visible_ports () * unit_size.first);
/* Scrolled window */
/* XXX: really shouldn't set a minimum horizontal size here, but if we don't
the window starts up very small */
_scrolled_window.set_size_request (
std::min (_column_labels.get_width(), 640),
_column_labels.get_height() + port_group_tables_height + scrollbar_height + 16
);
/* Row labels */
for (int i = 0; i < 2; ++i) {
for (std::vector<Gtk::EventBox*>::iterator j = _row_labels[i].begin(); j != _row_labels[i].end(); ++j) {
(*j)->get_child()->set_size_request (-1, unit_size.second);
}
if (_side_vbox_pad[i]) {
_side_vbox_pad[i]->set_size_request (-1, scrollbar_height + unit_size.second / 4);
}
}
}
/** Set up the dialogue */
void
PortMatrix::setup ()
{
clear ();
int const rows = n_rows ();
/* Row labels */
for (int i = 0; i < 2; ++i) {
_row_labels_vbox[i] = new Gtk::VBox;
int const run_rows = std::max (1, rows);
for (int j = 0; j < run_rows; ++j) {
Gtk::Label* label = new Gtk::Label (rows == 0 ? "Quim" : row_name (j));
Gtk::EventBox* b = new Gtk::EventBox;
b->set_events (Gdk::BUTTON_PRESS_MASK);
b->signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &IOSelector::row_label_button_pressed), j));
b->add (*Gtk::manage (label));
_row_labels[i].push_back (b);
_row_labels_vbox[i]->pack_start (*b, false, false);
}
_side_vbox[i].pack_start (*_row_labels_vbox[i], false, false);
_side_vbox_pad[i] = new Gtk::Label ("");
_side_vbox[i].pack_start (*_side_vbox_pad[i], false, false);
}
/* Checkbutton tables and visibility checkbuttons */
int n = 0;
for (PortGroupList::iterator i = _port_group_list.begin(); i != _port_group_list.end(); ++i) {
PortGroupUI* t = new PortGroupUI (*this, **i);
/* XXX: this is a bit of a hack; should probably use a configurable colour here */
Gdk::Color alt_bg = get_style()->get_bg (Gtk::STATE_NORMAL);
alt_bg.set_rgb (alt_bg.get_red() + 4096, alt_bg.get_green() + 4096, alt_bg.get_blue () + 4096);
if ((n % 2) == 0) {
t->get_table().modify_bg (Gtk::STATE_NORMAL, alt_bg);
}
_port_group_ui.push_back (t);
_port_group_hbox.pack_start (t->get_table(), false, false);
_visibility_checkbutton_box.pack_start (t->get_visibility_checkbutton(), false, false);
++n;
}
show_all ();
for (std::vector<PortGroupUI*>::iterator i = _port_group_ui.begin(); i != _port_group_ui.end(); ++i) {
(*i)->setup_visibility ();
}
}
void
PortMatrix::redisplay ()
{
_port_group_list.refresh ();
setup ();
}
/** Handle a button press on a row label */
bool
PortMatrix::row_label_button_pressed (GdkEventButton* e, int r)
{
if (e->type != GDK_BUTTON_PRESS || e->button != 3) {
return false;
}
Gtk::Menu* menu = Gtk::manage (new Gtk::Menu);
Gtk::Menu_Helpers::MenuList& items = menu->items ();
menu->set_name ("ArdourContextMenu");
bool const can_add = maximum_rows () > n_rows ();
bool const can_remove = minimum_rows () < n_rows ();
std::string const name = row_name (r);
items.push_back (
Gtk::Menu_Helpers::MenuElem (string_compose(_("Add %1"), row_descriptor()), sigc::mem_fun (*this, &PortMatrix::add_row))
);
items.back().set_sensitive (can_add);
items.push_back (
Gtk::Menu_Helpers::MenuElem (string_compose(_("Remove %1 \"%2\""), row_descriptor(), name), sigc::bind (sigc::mem_fun (*this, &PortMatrix::remove_row), r))
);
items.back().set_sensitive (can_remove);
menu->popup (e->button, e->time);
return true;
}
void
PortMatrix::set_type (ARDOUR::DataType t)
{
_type = t;
_port_group_list.set_type (t);
redisplay ();
}
void
PortMatrix::set_offer_inputs (bool i)
{
_offer_inputs = i;
_port_group_list.set_offer_inputs (i);
redisplay ();
}
/** PortGroupList constructor.
* @param session Session to get ports from.
* @param type Type of ports to offer (audio or MIDI)
* @param offer_inputs true to offer output ports, otherwise false.
* @param mask Mask of groups to make visible by default.
*/
PortGroupList::PortGroupList (ARDOUR::Session & session, ARDOUR::DataType type, bool offer_inputs, Mask mask)
: _session (session), _type (type), _offer_inputs (offer_inputs),
buss (_("Buss"), "ardour:", mask & BUSS),
track (_("Track"), "ardour:", mask & TRACK),
system (_("System"), "system:", mask & SYSTEM),
other (_("Other"), "", mask & OTHER)
{
refresh ();
}
void
PortGroupList::refresh ()
{
clear ();
buss.ports.clear ();
track.ports.clear ();
system.ports.clear ();
other.ports.clear ();
/* Find the ports provided by ardour; we can't derive their type just from their
names, so we'll have to be more devious. */
boost::shared_ptr<ARDOUR::Session::RouteList> routes = _session.get_routes ();
for (ARDOUR::Session::RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) {
PortGroup* g = 0;
if (_type == ARDOUR::DataType::AUDIO && dynamic_cast<ARDOUR::AudioTrack*> ((*i).get())) {
/* Audio track for an audio IO */
g = &track;
} else if (_type == ARDOUR::DataType::MIDI && dynamic_cast<ARDOUR::MidiTrack*> ((*i).get())) {
/* Midi track for a MIDI IO */
g = &track;
} else if (_type == ARDOUR::DataType::AUDIO && dynamic_cast<ARDOUR::MidiTrack*> ((*i).get()) == 0) {
/* Non-MIDI track for an Audio IO; must be an audio buss */
g = &buss;
}
if (g) {
ARDOUR::PortSet const & p = _offer_inputs ? ((*i)->inputs()) : ((*i)->outputs());
for (uint32_t j = 0; j < p.num_ports(); ++j) {
g->add (p.port(j)->name ());
}
std::sort (g->ports.begin(), g->ports.end());
}
}
/* XXX: inserts, sends, plugin inserts? */
/* Now we need to find the non-ardour ports; we do this by first
finding all the ports that we can connect to. */
const char **ports = _session.engine().get_ports (
"", _type.to_jack_type(), _offer_inputs ? JackPortIsInput : JackPortIsOutput
);
if (ports) {
int n = 0;
while (ports[n]) {
std::string const p = ports[n];
if (p.substr(0, strlen ("system:")) == "system:") {
/* system: prefix */
system.add (p);
} else {
if (p.substr(0, strlen("ardour:")) != "ardour:") {
/* other (non-ardour) prefix */
other.add (p);
}
}
++n;
}
}
push_back (&buss);
push_back (&track);
push_back (&system);
push_back (&other);
}
int
PortGroupList::n_visible_ports () const
{
int n = 0;
for (const_iterator i = begin(); i != end(); ++i) {
if ((*i)->visible) {
n += (*i)->ports.size();
}
}
return n;
}
std::string
PortGroupList::get_port_by_index (int n, bool with_prefix) const
{
/* XXX: slightly inefficient algorithm */
for (const_iterator i = begin(); i != end(); ++i) {
for (std::vector<std::string>::const_iterator j = (*i)->ports.begin(); j != (*i)->ports.end(); ++j) {
if (n == 0) {
if (with_prefix) {
return (*i)->prefix + *j;
} else {
return *j;
}
}
--n;
}
}
return "";
}
void
PortGroupList::set_type (ARDOUR::DataType t)
{
_type = t;
}
void
PortGroupList::set_offer_inputs (bool i)
{
_offer_inputs = i;
}