ardour/gtk2_ardour/port_matrix_row_labels.cc
Carl Hetherington 4476461443 More logical arrangement of port matrix inputs and outputs, hopefully;
signal show notionally "flow" from left to bottom or from top to right.
Some layout cleanups.


git-svn-id: svn://localhost/ardour2/branches/3.0@4416 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-01-21 01:55:46 +00:00

250 lines
6.7 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 <boost/weak_ptr.hpp>
#include <gtkmm/menu.h>
#include <gtkmm/menushell.h>
#include <gtkmm/menu_elems.h>
#include <cairo/cairo.h>
#include "ardour/bundle.h"
#include "port_matrix_row_labels.h"
#include "port_matrix.h"
#include "i18n.h"
PortMatrixRowLabels::PortMatrixRowLabels (PortMatrix* p, PortMatrixBody* b, Location l)
: PortMatrixComponent (b), _port_matrix (p), _menu (0), _location (l)
{
}
PortMatrixRowLabels::~PortMatrixRowLabels ()
{
delete _menu;
}
void
PortMatrixRowLabels::compute_dimensions ()
{
GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
cairo_t* cr = gdk_cairo_create (pm);
_longest_port_name = 0;
for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
cairo_text_extents_t ext;
cairo_text_extents (cr, (*i)->channel_name(j).c_str(), &ext);
if (ext.width > _longest_port_name) {
_longest_port_name = ext.width;
}
}
}
_longest_bundle_name = 0;
for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
cairo_text_extents_t ext;
cairo_text_extents (cr, (*i)->name().c_str(), &ext);
if (ext.width > _longest_bundle_name) {
_longest_bundle_name = ext.width;
}
}
cairo_destroy (cr);
gdk_pixmap_unref (pm);
_height = 0;
for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
_height += (*i)->nchannels() * row_height();
}
_width = _longest_port_name + name_pad() * 4 + _longest_bundle_name;
}
void
PortMatrixRowLabels::render (cairo_t* cr)
{
/* BACKGROUND */
set_source_rgb (cr, background_colour());
cairo_rectangle (cr, 0, 0, _width, _height);
cairo_fill (cr);
/* SIDE BUNDLE NAMES */
uint32_t x;
if (_location == LEFT) {
x = name_pad();
} else if (_location == RIGHT) {
x = _longest_port_name + name_pad() * 3;
}
uint32_t y = 0;
for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
Gdk::Color const colour = get_a_bundle_colour (i - _body->row_bundles().begin ());
set_source_rgb (cr, colour);
cairo_rectangle (cr, 0, y, _width, row_height() * (*i)->nchannels());
cairo_fill_preserve (cr);
set_source_rgb (cr, background_colour());
cairo_set_line_width (cr, label_border_width ());
cairo_stroke (cr);
uint32_t off = 0;
if ((*i)->nchannels () > 0) {
/* use the extent of our first channel name so that the bundle name is vertically aligned with it */
cairo_text_extents_t ext;
cairo_text_extents (cr, (*i)->channel_name(0).c_str(), &ext);
off = (row_height() - ext.height) / 2;
} else {
off = row_height() / 2;
}
set_source_rgb (cr, text_colour());
cairo_move_to (cr, x, y + name_pad() + off);
cairo_show_text (cr, (*i)->name().c_str());
y += row_height() * (*i)->nchannels ();
}
/* SIDE PORT NAMES */
y = 0;
for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
uint32_t x;
if (_location == LEFT) {
x = _longest_bundle_name + name_pad() * 2;
} else if (_location == RIGHT) {
x = 0;
}
Gdk::Color const colour = get_a_bundle_colour (i - _body->row_bundles().begin ());
set_source_rgb (cr, colour);
cairo_rectangle (
cr,
x,
y,
_longest_port_name + (name_pad() * 2),
row_height()
);
cairo_fill_preserve (cr);
set_source_rgb (cr, background_colour());
cairo_set_line_width (cr, label_border_width ());
cairo_stroke (cr);
cairo_text_extents_t ext;
cairo_text_extents (cr, (*i)->channel_name(j).c_str(), &ext);
uint32_t const off = (row_height() - ext.height) / 2;
set_source_rgb (cr, text_colour());
cairo_move_to (cr, x + name_pad(), y + name_pad() + off);
cairo_show_text (cr, (*i)->channel_name(j).c_str());
y += row_height();
}
}
}
void
PortMatrixRowLabels::button_press (double x, double y, int b, uint32_t t)
{
if (b != 3) {
return;
}
if ( (_location == LEFT && x > (_longest_bundle_name + name_pad() * 2)) ||
(_location == RIGHT && x < (_longest_port_name + name_pad() * 2))
) {
delete _menu;
_menu = new Gtk::Menu;
_menu->set_name ("ArdourContextMenu");
Gtk::Menu_Helpers::MenuList& items = _menu->items ();
uint32_t row = y / row_height ();
boost::shared_ptr<ARDOUR::Bundle> bundle;
uint32_t channel;
for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->row_bundles().begin(); i != _body->row_bundles().end(); ++i) {
if (row < (*i)->nchannels ()) {
bundle = *i;
channel = row;
break;
} else {
row -= (*i)->nchannels ();
}
}
if (bundle) {
char buf [64];
if (_port_matrix->can_rename_channels ()) {
snprintf (buf, sizeof (buf), _("Rename '%s'..."), bundle->channel_name (channel).c_str());
items.push_back (
Gtk::Menu_Helpers::MenuElem (
buf,
sigc::bind (sigc::mem_fun (*this, &PortMatrixRowLabels::rename_channel_proxy), bundle, channel)
)
);
}
snprintf (buf, sizeof (buf), _("Remove '%s'"), bundle->channel_name (channel).c_str());
items.push_back (
Gtk::Menu_Helpers::MenuElem (
buf,
sigc::bind (sigc::mem_fun (*this, &PortMatrixRowLabels::remove_channel_proxy), bundle, channel)
)
);
_menu->popup (1, t);
}
}
}
void
PortMatrixRowLabels::remove_channel_proxy (boost::weak_ptr<ARDOUR::Bundle> b, uint32_t c)
{
boost::shared_ptr<ARDOUR::Bundle> sb = b.lock ();
if (!sb) {
return;
}
_port_matrix->remove_channel (sb, c);
}
void
PortMatrixRowLabels::rename_channel_proxy (boost::weak_ptr<ARDOUR::Bundle> b, uint32_t c)
{
boost::shared_ptr<ARDOUR::Bundle> sb = b.lock ();
if (!sb) {
return;
}
_port_matrix->rename_channel (sb, c);
}