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livetrax/gtk2_ardour/mixer_group_tabs.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

209 lines
4.9 KiB
C++

/*
* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <boost/foreach.hpp>
#include "gtkmm2ext/utils.h"
#include "ardour/route_group.h"
#include "gtkmm2ext/colors.h"
#include "mixer_group_tabs.h"
#include "mixer_strip.h"
#include "mixer_ui.h"
#include "rgb_macros.h"
#include "route_group_dialog.h"
#include "ui_config.h"
#include "utils.h"
#include "pbd/i18n.h"
using namespace std;
using namespace Gtk;
using namespace ARDOUR;
using namespace ARDOUR_UI_UTILS;
using namespace PBD;
MixerGroupTabs::MixerGroupTabs (Mixer_UI* m)
: _mixer (m)
{
}
list<GroupTabs::Tab>
MixerGroupTabs::compute_tabs () const
{
list<Tab> tabs;
Tab tab;
tab.from = 0;
tab.group = 0;
int32_t x = 0;
TreeModel::Children rows = _mixer->track_model->children ();
for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
AxisView* av = (*i)[_mixer->stripable_columns.strip];
MixerStrip* s = dynamic_cast<MixerStrip*> (av);
if (!s) {
continue;
}
if (s->route()->is_master() || s->route()->is_monitor() || !s->marked_for_display()) {
continue;
}
#ifdef MIXBUS
if (s->route()->mixbus()) {
continue;
}
#endif
RouteGroup* g = s->route_group ();
if (g != tab.group) {
if (tab.group) {
tab.to = x;
tabs.push_back (tab);
}
tab.from = x;
tab.group = g;
if (g) {
tab.color = group_color (g);
}
}
int ww = 0, wh = 0;
s->get_size_request (ww, wh); // widget may not be realized, get_width() is invalid.
x += ww;
}
if (tab.group) {
tab.to = x;
tabs.push_back (tab);
}
return tabs;
}
void
MixerGroupTabs::draw_tab (cairo_t* cr, Tab const & tab)
{
double const arc_radius = get_height();
double r, g, b, a;
if (tab.group && tab.group->is_active()) {
Gtkmm2ext::color_to_rgba (tab.color, r, g, b, a);
} else {
Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("inactive group tab"), r, g, b, a);
}
a = 1.0;
cairo_set_source_rgba (cr, r, g, b, a);
cairo_arc (cr, tab.from + arc_radius, get_height(), arc_radius, M_PI, 3 * M_PI / 2);
cairo_line_to (cr, tab.to - arc_radius, 0);
cairo_arc (cr, tab.to - arc_radius, get_height(), arc_radius, 3 * M_PI / 2, 2 * M_PI);
cairo_line_to (cr, tab.from, get_height());
cairo_fill (cr);
if (tab.group && (tab.to - tab.from) > arc_radius) {
int text_width, text_height;
Glib::RefPtr<Pango::Layout> layout;
layout = Pango::Layout::create (get_pango_context ());
layout->set_ellipsize (Pango::ELLIPSIZE_MIDDLE);
layout->set_text (tab.group->name ());
layout->set_width ((tab.to - tab.from - arc_radius) * PANGO_SCALE);
layout->get_pixel_size (text_width, text_height);
cairo_move_to (cr, tab.from + (tab.to - tab.from - text_width) * .5, (get_height () - text_height) * .5);
Gtkmm2ext::Color c = Gtkmm2ext::contrasting_text_color (Gtkmm2ext::rgba_to_color (r, g, b, a));
Gtkmm2ext::color_to_rgba (c, r, g, b, a);
cairo_set_source_rgb (cr, r, g, b);
pango_cairo_show_layout (cr, layout->gobj ());
}
}
double
MixerGroupTabs::primary_coordinate (double x, double) const
{
return x;
}
RouteList
MixerGroupTabs::routes_for_tab (Tab const * t) const
{
RouteList routes;
int32_t x = 0;
TreeModel::Children rows = _mixer->track_model->children ();
for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
AxisView* av = (*i)[_mixer->stripable_columns.strip];
MixerStrip* s = dynamic_cast<MixerStrip*> (av);
if (!s) {
continue;
}
if (s->route()->is_master() || s->route()->is_monitor() || !s->marked_for_display()) {
continue;
}
if (x >= t->to) {
/* tab finishes before this track starts */
break;
}
double const h = x + s->get_width() / 2;
if (t->from < h && t->to > h) {
routes.push_back (s->route ());
}
x += s->get_width ();
}
return routes;
}
RouteList
MixerGroupTabs::selected_routes () const
{
RouteList rl;
BOOST_FOREACH (AxisView* r, _mixer->selection().axes) {
boost::shared_ptr<Route> rp = boost::dynamic_pointer_cast<Route> (r->stripable());
if (rp) {
rl.push_back (rp);
}
}
return rl;
}