2 Copyright (C) 2012 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "gtk2ardour-config.h"
26 #include <sigc++/bind.h>
28 #include <gtkmm/accelmap.h>
30 #include <glibmm/threads.h>
32 #include <gtkmm2ext/gtk_ui.h>
33 #include <gtkmm2ext/utils.h>
34 #include <gtkmm2ext/window_title.h>
36 #include "ardour/debug.h"
37 #include "ardour/midi_track.h"
38 #include "ardour/route_group.h"
39 #include "ardour/session.h"
41 #include "ardour/audio_track.h"
42 #include "ardour/midi_track.h"
44 #include "meterbridge.h"
47 #include "monitor_section.h"
48 #include "public_editor.h"
49 #include "ardour_ui.h"
51 #include "route_sorter.h"
53 #include "gui_thread.h"
54 #include "meter_patterns.h"
59 using namespace ARDOUR;
60 using namespace ARDOUR_UI_UTILS;
64 using namespace Gtkmm2ext;
66 using namespace ArdourMeter;
70 Meterbridge* Meterbridge::_instance = 0;
73 Meterbridge::instance ()
76 _instance = new Meterbridge;
82 Meterbridge::Meterbridge ()
83 : Window (Gtk::WINDOW_TOPLEVEL)
84 , VisibilityTracker (*((Gtk::Window*) this))
86 , _show_busses (false)
87 , metrics_left (1, MeterPeak)
88 , metrics_right (2, MeterPeak)
91 set_name ("Meter Bridge");
93 m_width = default_width;
94 m_height = default_height;
100 set_wmclass (X_("ardour_mixer"), PROGRAM_NAME);
103 geom.max_width = 1<<16;
104 geom.max_height = max_height;
106 geom.min_height = -1;
107 geom.height_inc = 16;
109 assert(max_height % 16 == 0);
110 set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MIN_SIZE | Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
112 set_border_width (0);
114 metrics_vpacker_left.pack_start (metrics_left, true, true);
115 metrics_vpacker_left.pack_start (metrics_spacer_left, false, false);
116 metrics_spacer_left.set_size_request(-1, 0);
117 metrics_spacer_left.set_spacing(0);
119 metrics_vpacker_right.pack_start (metrics_right, true, true);
120 metrics_vpacker_right.pack_start (metrics_spacer_right, false, false);
121 metrics_spacer_right.set_size_request(-1, 0);
122 metrics_spacer_right.set_spacing(0);
124 signal_delete_event().connect (sigc::mem_fun (*this, &Meterbridge::hide_window));
125 signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
126 MeterStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Meterbridge::remove_strip, this, _1), gui_context());
127 MeterStrip::MetricChanged.connect (*this, invalidator (*this), boost::bind(&Meterbridge::resync_order, this), gui_context());
128 MeterStrip::ConfigurationChanged.connect (*this, invalidator (*this), boost::bind(&Meterbridge::queue_resize, this), gui_context());
130 /* work around ScrolledWindowViewport alignment mess Part one */
131 Gtk::HBox * yspc = manage (new Gtk::HBox());
132 yspc->set_size_request(-1, 1);
133 Gtk::VBox * xspc = manage (new Gtk::VBox());
134 xspc->pack_start(meterarea, true, true);
135 xspc->pack_start(*yspc, false, false);
139 meterarea.set_spacing(0);
140 scroller.set_shadow_type(Gtk::SHADOW_NONE);
141 scroller.set_border_width(0);
142 scroller.add (*xspc);
143 scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_NEVER);
145 global_hpacker.pack_start (metrics_vpacker_left, false, false);
146 global_hpacker.pack_start (scroller, true, true);
147 global_hpacker.pack_start (metrics_vpacker_right, false, false);
149 global_vpacker.pack_start (global_hpacker, true, true);
150 add (global_vpacker);
153 metrics_right.show();
155 metrics_vpacker_left.show();
156 metrics_spacer_left.show();
157 metrics_vpacker_right.show();
158 metrics_spacer_right.show();
161 global_vpacker.show();
162 global_hpacker.show();
165 /* the return of the ScrolledWindowViewport mess:
166 * remove shadow from scrollWindow's viewport
167 * see http://www.mail-archive.com/gtkmm-list@gnome.org/msg03509.html
169 Gtk::Viewport* viewport = (Gtk::Viewport*) scroller.get_child();
170 viewport->set_shadow_type(Gtk::SHADOW_NONE);
171 viewport->set_border_width(0);
173 UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &Meterbridge::on_theme_changed));
174 UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
175 UIConfiguration::instance().DPIReset.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
178 Meterbridge::~Meterbridge ()
180 while (_metrics.size() > 0) {
181 delete (_metrics.back());
187 Meterbridge::show_window ()
191 set_window_pos_and_size ();
196 /* code duplicated from gtk2_ardour/mixer_ui.cc Mixer_UI::update_title() */
198 Meterbridge::update_title ()
203 if (_session->snap_name() != _session->name()) {
204 n = _session->snap_name ();
206 n = _session->name ();
209 if (_session->dirty ()) {
213 WindowTitle title (n);
214 title += S_("Window|Meterbridge");
215 title += Glib::get_application_name ();
216 set_title (title.get_string());
220 WindowTitle title (S_("Window|Meterbridge"));
221 title += Glib::get_application_name ();
222 set_title (title.get_string());
227 Meterbridge::set_window_pos_and_size ()
229 resize (m_width, m_height);
230 if (m_root_x >= 0 && m_root_y >= 0) {
231 move (m_root_x, m_root_y);
236 Meterbridge::get_window_pos_and_size ()
238 get_position(m_root_x, m_root_y);
239 get_size(m_width, m_height);
243 Meterbridge::hide_window (GdkEventAny *ev)
245 if (!_visible) return 0;
246 get_window_pos_and_size();
248 return just_hide_it(ev, static_cast<Gtk::Window *>(this));
252 Meterbridge::on_key_press_event (GdkEventKey* ev)
254 if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
257 return relay_key_press (ev, this);
261 Meterbridge::on_key_release_event (GdkEventKey* ev)
263 if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
266 /* don't forward releases */
271 Meterbridge::on_scroll_event (GdkEventScroll* ev)
273 switch (ev->direction) {
274 case GDK_SCROLL_LEFT:
278 if (ev->state & Keyboard::TertiaryModifier) {
284 case GDK_SCROLL_RIGHT:
288 case GDK_SCROLL_DOWN:
289 if (ev->state & Keyboard::TertiaryModifier) {
300 Meterbridge::scroll_left ()
302 if (!scroller.get_hscrollbar()) return;
303 Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
304 /* stupid GTK: can't rely on clamping across versions */
305 scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
309 Meterbridge::scroll_right ()
311 if (!scroller.get_hscrollbar()) return;
312 Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
313 /* stupid GTK: can't rely on clamping across versions */
314 scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
318 Meterbridge::on_size_request (Gtk::Requisition* r)
320 meter_clear_pattern_cache(3);
321 Gtk::Window::on_size_request(r);
324 Gtk::Requisition mr = meterarea.size_request();
326 geom.max_width = mr.width + metrics_left.get_width() + metrics_right.get_width();
327 geom.max_width = std::max(50, geom.max_width);
328 geom.max_height = max_height;
330 if (cur_max_width != geom.max_width) {
331 cur_max_width = geom.max_width;
332 /* height resizes are 'heavy' since the metric areas and meter-patterns
333 * are re-generated. limit to 16px steps. */
334 geom.height_inc = 16;
337 geom.min_height = -1;
338 set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MIN_SIZE | Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
343 Meterbridge::on_size_allocate (Gtk::Allocation& a)
345 const Gtk::Scrollbar * hsc = scroller.get_hscrollbar();
347 /* switch left/right edge patterns depending on horizontal scroll-position */
348 if (scroller.get_hscrollbar_visible() && hsc) {
349 if (!scroll_connection.connected()) {
350 scroll_connection = scroller.get_hscrollbar()->get_adjustment()->signal_value_changed().connect(sigc::mem_fun (*this, &Meterbridge::on_scroll));
351 scroller.get_hscrollbar()->get_adjustment()->signal_changed().connect(sigc::mem_fun (*this, &Meterbridge::on_scroll));
353 gint scrollbar_spacing;
354 gtk_widget_style_get (GTK_WIDGET (scroller.gobj()),
355 "scrollbar-spacing", &scrollbar_spacing, NULL);
356 const int h = hsc->get_height() + scrollbar_spacing + 1;
357 metrics_spacer_left.set_size_request(-1, h);
358 metrics_spacer_right.set_size_request(-1, h);
360 metrics_spacer_left.set_size_request(-1, 0);
361 metrics_spacer_right.set_size_request(-1, 0);
363 Gtk::Window::on_size_allocate(a);
367 Meterbridge::on_scroll()
369 if (!scroller.get_hscrollbar()) return;
371 Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
372 int leftend = adj->get_value();
373 int rightend = scroller.get_width() + leftend;
375 int mm_left = _mm_left;
376 int mm_right = _mm_right;
377 ARDOUR::MeterType mt_left = _mt_left;
378 ARDOUR::MeterType mt_right = _mt_right;
380 for (unsigned int i = 0; i < _metrics.size(); ++i) {
381 int sx, dx = 0, dy = 0;
382 int mm = _metrics[i]->get_metric_mode();
383 sx = (mm & 2) ? _metrics[i]->get_width() : 0;
385 _metrics[i]->translate_coordinates(meterarea, sx, 0, dx, dy);
387 if (dx < leftend && !(mm&2)) {
389 mt_left = _metrics[i]->meter_type();
391 if (dx > rightend && (mm&2)) {
393 mt_right = _metrics[i]->meter_type();
397 metrics_left.set_metric_mode(mm_left, mt_left);
398 metrics_right.set_metric_mode(mm_right, mt_right);
401 struct PresentationInfoRouteSorter
403 bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
404 if (a->is_master() || a->is_monitor()) {
405 /* "a" is a special route (master, monitor, etc), and comes
406 * last in the mixer ordering
409 } else if (b->is_master() || b->is_monitor()) {
410 /* everything comes before b */
413 return a->presentation_info().order() < b->presentation_info().order();
418 Meterbridge::set_session (Session* s)
420 SessionHandlePtr::set_session (s);
426 metrics_left.set_session(s);
427 metrics_right.set_session(s);
429 XMLNode* node = _session->instant_xml(X_("Meterbridge"));
435 _show_busses = _session->config.get_show_busses_on_meterbridge();
436 _show_master = _session->config.get_show_master_on_meterbridge();
437 _show_midi = _session->config.get_show_midi_on_meterbridge();
439 boost::shared_ptr<RouteList> routes = _session->get_routes();
441 RouteList copy (*routes);
442 copy.sort (PresentationInfoRouteSorter());
445 _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::add_strips, this, _1), gui_context());
446 _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
447 _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
448 _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Meterbridge::parameter_changed, this, _1), gui_context());
449 Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Meterbridge::parameter_changed, this, _1), gui_context());
459 Meterbridge::session_going_away ()
461 ENSURE_GUI_THREAD (*this, &Meterbridge::session_going_away);
463 for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
470 SessionHandlePtr::session_going_away ();
477 Meterbridge::set_state (const XMLNode& node)
479 XMLProperty const * prop;
482 m_width = default_width;
483 m_height = default_height;
487 if ((geometry = find_named_node (node, "geometry")) != 0) {
489 XMLProperty const * prop;
491 if ((prop = geometry->property("x_size")) == 0) {
492 prop = geometry->property ("x-size");
495 m_width = atoi(prop->value());
497 if ((prop = geometry->property("y_size")) == 0) {
498 prop = geometry->property ("y-size");
501 m_height = atoi(prop->value());
504 if ((prop = geometry->property ("x_pos")) == 0) {
505 prop = geometry->property ("x-pos");
508 m_root_x = atoi (prop->value());
511 if ((prop = geometry->property ("y_pos")) == 0) {
512 prop = geometry->property ("y-pos");
515 m_root_y = atoi (prop->value());
519 set_window_pos_and_size ();
521 if ((prop = node.property ("show-meterbridge"))) {
522 if (string_is_affirmative (prop->value())) {
531 Meterbridge::get_state (void)
534 XMLNode* node = new XMLNode ("Meterbridge");
536 if (is_realized() && _visible) {
537 get_window_pos_and_size ();
540 XMLNode* geometry = new XMLNode ("geometry");
541 snprintf(buf, sizeof(buf), "%d", m_width);
542 geometry->add_property(X_("x_size"), string(buf));
543 snprintf(buf, sizeof(buf), "%d", m_height);
544 geometry->add_property(X_("y_size"), string(buf));
545 snprintf(buf, sizeof(buf), "%d", m_root_x);
546 geometry->add_property(X_("x_pos"), string(buf));
547 snprintf(buf, sizeof(buf), "%d", m_root_y);
548 geometry->add_property(X_("y_pos"), string(buf));
549 node->add_child_nocopy (*geometry);
551 node->add_property ("show-meterbridge", _visible ? "yes" : "no");
557 Meterbridge::start_updating ()
559 fast_screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &Meterbridge::fast_update_strips));
564 Meterbridge::stop_updating ()
566 fast_screen_update_connection.disconnect();
571 Meterbridge::fast_update_strips ()
573 if (!is_mapped () || !_session) {
576 for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
577 if (!(*i).visible) continue;
578 (*i).s->fast_update ();
583 Meterbridge::add_strips (RouteList& routes)
586 for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
587 boost::shared_ptr<Route> route = (*x);
588 if (route->is_auditioner()) {
591 if (route->is_monitor()) {
595 strip = new MeterStrip (_session, route);
596 strips.push_back (MeterBridgeStrip(strip));
597 route->active_changed.connect (*this, invalidator (*this), boost::bind (&Meterbridge::resync_order, this), gui_context ());
599 meterarea.pack_start (*strip, false, false);
607 Meterbridge::remove_strip (MeterStrip* strip)
609 if (_session && _session->deletion_in_progress()) {
613 list<MeterBridgeStrip>::iterator i;
614 for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
615 if ( (*i).s == strip) {
625 Meterbridge::sync_order_keys ()
627 Glib::Threads::Mutex::Lock lm (_resync_mutex);
629 MeterOrderRouteSorter sorter;
634 MeterStrip * last = 0;
636 unsigned int metrics = 0;
637 MeterType lmt = MeterPeak;
638 bool have_midi = false;
639 metrics_left.set_metric_mode(1, lmt);
641 for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
643 if (! (*i).s->route()->active()) {
645 (*i).visible = false;
647 else if ((*i).s->route()->is_master()) {
654 (*i).visible = false;
657 else if (boost::dynamic_pointer_cast<AudioTrack>((*i).s->route()) == 0
658 && boost::dynamic_pointer_cast<MidiTrack>((*i).s->route()) == 0
667 (*i).visible = false;
670 else if (boost::dynamic_pointer_cast<MidiTrack>((*i).s->route())) {
677 (*i).visible = false;
686 (*i).s->set_tick_bar(0);
688 MeterType nmt = (*i).s->meter_type();
689 if (nmt == MeterKrms) nmt = MeterPeak; // identical metrics
691 (*i).s->set_tick_bar(1);
694 if ((*i).visible && nmt != lmt && vis == 1) {
696 metrics_left.set_metric_mode(1, lmt);
697 } else if ((*i).visible && nmt != lmt) {
700 last->set_tick_bar(last->get_tick_bar() | 2);
702 (*i).s->set_tick_bar((*i).s->get_tick_bar() | 1);
704 if (_metrics.size() <= metrics) {
705 _metrics.push_back(new MeterStrip(have_midi ? 2 : 3, lmt));
706 meterarea.pack_start (*_metrics[metrics], false, false);
707 _metrics[metrics]->set_session(_session);
708 _metrics[metrics]->show();
710 _metrics[metrics]->set_metric_mode(have_midi ? 2 : 3, lmt);
712 meterarea.reorder_child(*_metrics[metrics], pos++);
717 if (_metrics.size() <= metrics) {
718 _metrics.push_back(new MeterStrip(1, lmt));
719 meterarea.pack_start (*_metrics[metrics], false, false);
720 _metrics[metrics]->set_session(_session);
721 _metrics[metrics]->show();
723 _metrics[metrics]->set_metric_mode(1, lmt);
725 meterarea.reorder_child(*_metrics[metrics], pos++);
730 if ((*i).visible && (*i).s->has_midi()) {
734 meterarea.reorder_child(*((*i).s), pos++);
741 last->set_tick_bar(last->get_tick_bar() | 2);
744 metrics_right.set_metric_mode(have_midi ? 2 : 3, lmt);
746 while (_metrics.size() > metrics) {
747 meterarea.remove(*_metrics.back());
748 delete (_metrics.back());
752 _mm_left = metrics_left.get_metric_mode();
753 _mt_left = metrics_left.meter_type();
754 _mm_right = metrics_right.get_metric_mode();
755 _mt_right = metrics_right.meter_type();
762 Meterbridge::resync_order()
768 Meterbridge::parameter_changed (std::string const & p)
770 if (p == "show-busses-on-meterbridge") {
771 _show_busses = _session->config.get_show_busses_on_meterbridge();
774 else if (p == "show-master-on-meterbridge") {
775 _show_master = _session->config.get_show_master_on_meterbridge();
778 else if (p == "show-midi-on-meterbridge") {
779 _show_midi = _session->config.get_show_midi_on_meterbridge();
782 else if (p == "meter-line-up-level") {
783 meter_clear_pattern_cache();
785 else if (p == "show-rec-on-meterbridge") {
786 scroller.queue_resize();
788 else if (p == "show-mute-on-meterbridge") {
789 scroller.queue_resize();
791 else if (p == "show-solo-on-meterbridge") {
792 scroller.queue_resize();
794 else if (p == "show-name-on-meterbridge") {
795 scroller.queue_resize();
797 else if (p == "meterbridge-label-height") {
798 scroller.queue_resize();
800 else if (p == "show-monitor-on-meterbridge") {
801 scroller.queue_resize();
803 else if (p == "track-name-number") {
804 scroller.queue_resize();
809 Meterbridge::on_theme_changed ()
811 meter_clear_pattern_cache();