2 Copyright (C) 2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <ardour/io.h>
24 #include <ardour/route.h>
25 #include <ardour/route_group.h>
26 #include <ardour/session.h>
27 #include <ardour/session_route.h>
28 #include <ardour/dB.h>
30 #include <gtkmm2ext/utils.h>
31 #include <gtkmm2ext/pix.h>
32 #include <gtkmm2ext/fastmeter.h>
33 #include <gtkmm2ext/stop_signal.h>
34 #include <gtkmm2ext/barcontroller.h>
35 #include <midi++/manager.h>
36 #include <pbd/fastlog.h>
38 #include "ardour_ui.h"
39 #include "gain_meter.h"
42 #include "gui_thread.h"
45 #include <ardour/session.h>
46 #include <ardour/route.h>
51 using namespace ARDOUR;
52 using namespace Gtkmm2ext;
56 sigc::signal<void> GainMeter::ResetAllPeakDisplays;
57 sigc::signal<void,RouteGroup*> GainMeter::ResetGroupPeakDisplays;
58 Pix* GainMeter::slider_pix = 0;
61 GainMeter::setup_slider_pix ()
63 vector<const char **> xpms;
65 xpms.push_back (vslider_rail_xpm);
66 xpms.push_back (vslider_slider_xpm);
68 if ((slider_pix = get_pix ("sliders", xpms, false)) == 0) {
69 error << _("Cannot create slider pixmaps") << endmsg;
77 GainMeter::GainMeter (IO& io, Session& s)
81 // 0.781787 is the value needed for gain to be set to 0.
82 gain_adjustment (0.781787, 0.0, 1.0, 0.01, 0.1),
83 gain_display (&gain_adjustment, "MixerStripGainDisplay"),
84 gain_unit_label (_("dbFS")),
85 meter_point_label (_("pre")),
89 if (slider_pix == 0) {
93 ignore_toggle = false;
96 gain_slider = manage (new VSliderController (slider_pix,
98 & _io.midi_gain_control(),
101 gain_slider->signal_button_press_event().connect (mem_fun(*this, &GainMeter::start_gain_touch));
102 gain_slider->signal_button_release_event().connect (mem_fun(*this, &GainMeter::end_gain_touch));
103 gain_slider->set_name ("MixerGainMeter");
105 if (_session.midi_port()) {
106 _io.set_midi_to_gain_function (slider_position_to_gain);
107 _io.set_gain_to_midi_function (gain_to_slider_position);
110 gain_display.set_print_func (_gain_printer, this);
112 gain_unit_button.add (gain_unit_label);
113 gain_unit_button.set_name ("MixerStripGainUnitButton");
114 gain_unit_label.set_name ("MixerStripGainUnitButton");
116 top_table.set_col_spacings (2);
117 top_table.set_homogeneous (true);
118 top_table.attach (gain_unit_button, 0, 1, 0, 1);
122 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
123 r->meter_change.connect (mem_fun(*this, &GainMeter::meter_changed));
124 meter_point_button.add (meter_point_label);
125 meter_point_button.set_name ("MixerStripMeterPreButton");
126 meter_point_label.set_name ("MixerStripMeterPreButton");
128 switch (r->meter_point()) {
130 meter_point_label.set_text (_("input"));
134 meter_point_label.set_text (_("pre"));
138 meter_point_label.set_text (_("post"));
142 /* TRANSLATORS: this string should be longest of the strings
143 used to describe meter points. In english, its "input".
146 set_size_request_to_display_given_text (meter_point_button, _("tupni"), 2, 2);
148 meter_point_button.signal_button_press_event().connect (mem_fun(*this, &GainMeter::meter_press));
149 meter_point_button.signal_button_release_event().connect (mem_fun(*this, &GainMeter::meter_release));
151 top_table.attach (meter_point_button, 1, 2, 0, 1);
153 gain_display_box.set_spacing (2);
154 set_size_request_to_display_given_text (gain_display_frame, "-86.0", 2, 2);
155 gain_display_frame.set_shadow_type (Gtk::SHADOW_IN);
156 gain_display_frame.set_name ("BaseFrame");
157 gain_display_frame.add (gain_display);
158 gain_display_box.pack_start (gain_display_frame, Gtk::PACK_SHRINK);
160 peak_display.set_name ("MixerStripPeakDisplay");
161 peak_display.add (peak_display_label);
162 set_size_request_to_display_given_text (peak_display_frame, "-86.0", 2, 2);
163 peak_display_frame.set_shadow_type (Gtk::SHADOW_IN);
164 peak_display_frame.set_name ("BaseFrame");
165 peak_display_frame.add (peak_display);
166 max_peak = minus_infinity();
167 peak_display_label.set_text (_("-inf"));
169 gain_display_box.pack_end (peak_display_frame, Gtk::PACK_SHRINK);
171 meter_metric_area.set_size_request (18, -1);
172 meter_metric_area.set_name ("MeterMetricsStrip");
174 meter_packer.set_spacing (2);
175 fader_box.set_spacing (2);
177 fader_box.pack_start (*gain_slider, Gtk::PACK_SHRINK);
179 hbox.set_spacing (4);
180 hbox.pack_start (fader_box, Gtk::PACK_SHRINK);
181 hbox.pack_start (meter_packer, Gtk::PACK_SHRINK);
184 pack_start (top_table, Gtk::PACK_SHRINK);
185 /* here's the culprit gain display box*/
186 pack_start (gain_display_box, Gtk::PACK_SHRINK);
187 pack_start (hbox, Gtk::PACK_SHRINK);
189 _io.gain_changed.connect (mem_fun(*this, &GainMeter::gain_changed));
191 meter_metric_area.signal_expose_event().connect (mem_fun(*this, &GainMeter::meter_metrics_expose));
192 gain_adjustment.signal_value_changed().connect (mem_fun(*this, &GainMeter::gain_adjusted));
193 peak_display.signal_button_release_event().connect (mem_fun(*this, &GainMeter::peak_button_release));
195 _session.MeterHoldChanged.connect (mem_fun(*this, &GainMeter::meter_hold_changed));
198 update_gain_sensitive ();
200 ResetAllPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_peak_display));
201 ResetGroupPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_group_peak_display));
205 GainMeter::set_width (Width w)
209 peak_display_frame.show_all();
212 peak_display_frame.hide_all();
221 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
223 /* XXX optimize this so that it doesn't do it all everytime */
226 Glib::RefPtr<Gdk::Window> win (meter_metric_area.get_window());
227 Glib::RefPtr<Gdk::GC> fg_gc (meter_metric_area.get_style()->get_fg_gc (Gtk::STATE_NORMAL));
228 Glib::RefPtr<Gdk::GC> bg_gc (meter_metric_area.get_style()->get_bg_gc (Gtk::STATE_NORMAL));
229 gint x, y, width, height, depth;
231 int db_points[] = { -50, -10, -3, 0, 6 };
234 GdkRectangle base_rect;
235 GdkRectangle draw_rect;
239 win->get_geometry (x, y, width, height, depth);
241 base_rect.width = width;
242 base_rect.height = height;
246 gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
247 win->draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
249 Glib::RefPtr<Pango::Layout> layout = meter_metric_area.create_pango_layout("");
251 for (i = 0; i < sizeof (db_points)/sizeof (db_points[0]); ++i) {
253 fraction = log_meter (db_points[i]);
254 pos = height - (gint) floor (height * fraction);
256 snprintf (buf, sizeof (buf), "%d", db_points[i]);
258 layout->set_text (buf);
259 layout->get_pixel_size (twidth, theight);
261 win->draw_layout (fg_gc, width - twidth, pos + theight, layout);
267 GainMeter::~GainMeter ()
274 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
282 GainMeter::update_meters ()
284 vector<MeterInfo>::iterator i;
289 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
291 peak = _io.peak_input_power (n);
293 if (_session.meter_falloff() == 0.0f || peak > (*i).meter->get_user_level()) {
294 (*i).meter->set (log_meter (peak), peak);
297 if (peak > max_peak) {
299 /* set peak display */
300 snprintf (buf, sizeof(buf), "%.1f", max_peak);
301 peak_display_label.set_text (buf);
303 if (max_peak >= 0.0f) {
304 peak_display.set_name ("MixerStripPeakDisplayPeak");
313 GainMeter::update_meters_falloff ()
315 vector<MeterInfo>::iterator i;
319 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
322 //peak = (*i).meter->get_level() * _falloff_rate;
323 dbpeak = (*i).meter->get_user_level() - _session.meter_falloff();
325 dbpeak = std::max(dbpeak, -200.0f);
327 // cerr << "tmplevel: " << tmplevel << endl;
328 (*i).meter->set (log_meter (dbpeak), dbpeak);
336 GainMeter::meter_hold_changed()
338 ENSURE_GUI_THREAD(mem_fun(*this, &GainMeter::meter_hold_changed));
340 vector<MeterInfo>::iterator i;
343 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
345 (*i).meter->set_hold_count ((uint32_t) floor(_session.meter_hold()));
350 GainMeter::hide_all_meters ()
352 bool remove_metric_area = false;
354 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
356 remove_metric_area = true;
357 meter_packer.remove (*((*i).meter));
362 if (remove_metric_area) {
363 if (meter_metric_area.get_parent()) {
364 meter_packer.remove (meter_metric_area);
370 GainMeter::setup_meters ()
372 uint32_t nmeters = _io.n_outputs();
379 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
381 switch (r->meter_point()) {
384 nmeters = r->n_inputs();
387 nmeters = r->n_outputs();
393 nmeters = _io.n_outputs();
401 if (_width == Wide) {
402 meter_packer.pack_start (meter_metric_area, Gtk::PACK_SHRINK);
403 meter_metric_area.show_all ();
407 width = regular_meter_width;
409 width = thin_meter_width;
412 while (meters.size() < nmeters) {
413 meters.push_back (MeterInfo());
416 for (uint32_t n = 0; n < nmeters; ++n) {
417 if (meters[n].width != width) {
418 delete meters[n].meter;
419 meters[n].meter = new FastMeter ((uint32_t) floor (_session.meter_hold()), width, FastMeter::Vertical);
420 meters[n].width = width;
422 meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
423 meters[n].meter->signal_button_release_event().connect (bind (mem_fun(*this, &GainMeter::meter_button_release), n));
426 meter_packer.pack_start (*meters[n].meter, Gtk::PACK_SHRINK);
427 meters[n].meter->show_all ();
428 meters[n].packed = true;
433 GainMeter::peak_button_release (GdkEventButton* ev)
435 /* reset peak label */
437 if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control|Keyboard::Shift)) {
438 ResetAllPeakDisplays ();
439 } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
441 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
442 ResetGroupPeakDisplays (r->mix_group());
445 reset_peak_display ();
451 GainMeter::reset_peak_display ()
453 max_peak = minus_infinity();
454 peak_display_label.set_text (_("-inf"));
455 peak_display.set_name ("MixerStripPeakDisplay");
459 GainMeter::reset_group_peak_display (RouteGroup* group)
462 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
463 if (group == r->mix_group()) {
464 reset_peak_display ();
470 GainMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
472 switch (ev->button) {
474 meters[which].meter->clear();
475 max_peak = minus_infinity();
476 peak_display_label.set_text (_("-inf"));
477 peak_display.set_name ("MixerStripPeakDisplay");
481 // popup_meter_menu (ev);
489 GainMeter::popup_meter_menu (GdkEventButton *ev)
491 using namespace Menu_Helpers;
493 if (meter_menu == 0) {
494 meter_menu = new Gtk::Menu;
495 MenuList& items = meter_menu->items();
497 items.push_back (MenuElem ("-inf .. +0dBFS"));
498 items.push_back (MenuElem ("-10dB .. +0dBFS"));
499 items.push_back (MenuElem ("-4 .. +0dBFS"));
500 items.push_back (SeparatorElem());
501 items.push_back (MenuElem ("-inf .. -2dBFS"));
502 items.push_back (MenuElem ("-10dB .. -2dBFS"));
503 items.push_back (MenuElem ("-4 .. -2dBFS"));
506 meter_menu->popup (1, ev->time);
510 GainMeter::_gain_printer (char buf[32], Gtk::Adjustment& adj, void *arg)
512 static_cast<GainMeter *>(arg)->gain_printer (buf, adj);
516 GainMeter::gain_printer (char buf[32], Gtk::Adjustment& adj)
518 float v = adj.get_value();
521 strcpy (buf, _("-inf"));
523 snprintf (buf, 32, "%.1f", coefficient_to_dB (slider_position_to_gain (v)));
528 GainMeter::gain_adjusted ()
530 if (!ignore_toggle) {
531 _io.set_gain (slider_position_to_gain (gain_adjustment.get_value()), this);
536 GainMeter::effective_gain_display ()
538 gfloat value = gain_to_slider_position (_io.effective_gain());
540 if (gain_adjustment.get_value() != value) {
541 ignore_toggle = true;
542 gain_adjustment.set_value (value);
543 ignore_toggle = false;
548 GainMeter::gain_changed (void *src)
550 Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &GainMeter::effective_gain_display));
554 GainMeter::set_meter_strip_name (const char * name)
556 meter_metric_area.set_name (name);
560 GainMeter::set_fader_name (const char * name)
562 gain_slider->set_name (name);
566 GainMeter::update_gain_sensitive ()
568 static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (!(_io.gain_automation_state() & Play));
573 next_meter_point (MeterPoint mp)
577 return MeterPreFader;
581 return MeterPostFader;
593 GainMeter::meter_press(GdkEventButton* ev)
597 wait_for_release = false;
599 if ((_route = dynamic_cast<Route*>(&_io)) == 0) {
603 if (!ignore_toggle) {
605 if (Keyboard::is_context_menu_event (ev)) {
607 // no menu at this time.
611 if (ev->button == 2) {
613 // ctrl-button2 click is the midi binding click
614 // button2-click is "momentary"
616 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control))) {
617 wait_for_release = true;
618 old_meter_point = _route->meter_point ();
622 if (ev->button == 1 || ev->button == 2) {
624 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control|Keyboard::Shift))) {
626 /* ctrl-shift-click applies change to all routes */
628 _session.foreach_route (this, &GainMeter::set_meter_point, next_meter_point (_route->meter_point()));
630 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
632 /* ctrl-click: solo mix group.
633 ctrl-button2 is MIDI learn.
636 if (ev->button == 1) {
637 set_mix_group_meter_point (*_route, next_meter_point (_route->meter_point()));
642 /* click: solo this route */
644 _route->set_meter_point (next_meter_point (_route->meter_point()), this);
650 return stop_signal (meter_point_button, "button-press-event");
655 GainMeter::meter_release(GdkEventButton* ev)
658 if (wait_for_release){
659 wait_for_release = false;
660 set_meter_point (*(dynamic_cast<Route*>(&_io)), old_meter_point);
661 stop_signal (meter_point_button, "button-release-event");
668 GainMeter::set_meter_point (Route& route, MeterPoint mp)
670 route.set_meter_point (mp, this);
674 GainMeter::set_mix_group_meter_point (Route& route, MeterPoint mp)
676 RouteGroup* mix_group;
678 if((mix_group = route.mix_group()) != 0){
679 mix_group->apply (&Route::set_meter_point, mp, this);
681 route.set_meter_point (mp, this);
686 GainMeter::meter_changed (void *src)
690 ENSURE_GUI_THREAD (bind (mem_fun(*this, &GainMeter::meter_changed), src));
692 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
694 switch (r->meter_point()) {
696 meter_point_label.set_text (_("input"));
700 meter_point_label.set_text (_("pre"));
704 meter_point_label.set_text (_("post"));
713 GainMeter::meter_point_clicked ()
717 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
723 GainMeter::start_gain_touch (GdkEventButton* ev)
725 _io.start_gain_touch ();
730 GainMeter::end_gain_touch (GdkEventButton* ev)
732 _io.end_gain_touch ();