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/fastmeter.h>
32 #include <gtkmm2ext/stop_signal.h>
33 #include <gtkmm2ext/barcontroller.h>
34 #include <midi++/manager.h>
35 #include <pbd/fastlog.h>
37 #include "ardour_ui.h"
38 #include "gain_meter.h"
41 #include "gui_thread.h"
44 #include <ardour/session.h>
45 #include <ardour/route.h>
49 using namespace ARDOUR;
51 using namespace Gtkmm2ext;
56 sigc::signal<void> GainMeter::ResetAllPeakDisplays;
57 sigc::signal<void,RouteGroup*> GainMeter::ResetGroupPeakDisplays;
58 Glib::RefPtr<Gdk::Pixbuf> GainMeter::slider;
59 Glib::RefPtr<Gdk::Pixbuf> GainMeter::rail;
60 map<string,Glib::RefPtr<Gdk::Pixmap> > GainMeter::metric_pixmaps;
63 GainMeter::setup_slider_pix ()
65 string path = ARDOUR::find_data_file("vslider02_slider.xpm", "pixmaps");
67 error << _("cannot find images for fader slider") << endmsg;
70 slider = Gdk::Pixbuf::create_from_file (path);
72 path = ARDOUR::find_data_file("vslider02_rail.xpm", "pixmaps");
74 error << _("cannot find images for fader rail") << endmsg;
77 rail = Gdk::Pixbuf::create_from_file (path);
82 GainMeter::GainMeter (IO& io, Session& s)
86 // 0.781787 is the value needed for gain to be set to 0.
87 gain_adjustment (0.781787, 0.0, 1.0, 0.01, 0.1),
88 gain_display (&gain_adjustment, "MixerStripGainDisplay"),
89 gain_automation_style_button (""),
90 gain_automation_state_button ("")
97 ignore_toggle = false;
100 gain_slider = manage (new VSliderController (slider, rail,
102 & _io.midi_gain_control(),
105 gain_slider->signal_button_press_event().connect (mem_fun(*this, &GainMeter::start_gain_touch));
106 gain_slider->signal_button_release_event().connect (mem_fun(*this, &GainMeter::end_gain_touch));
107 gain_slider->set_name ("MixerGainMeter");
109 if (_session.midi_port()) {
110 _io.set_midi_to_gain_function (slider_position_to_gain);
111 _io.set_gain_to_midi_function (gain_to_slider_position);
114 gain_display.set_print_func (_gain_printer, this);
116 gain_display_box.set_spacing (2);
117 set_size_request_to_display_given_text (gain_display_frame, "-86.g", 2, 6); /* note the descender */
118 gain_display_frame.set_shadow_type (Gtk::SHADOW_IN);
119 gain_display_frame.set_name ("BaseFrame");
120 gain_display_frame.add (gain_display);
121 gain_display_box.pack_start (gain_display_frame, Gtk::PACK_SHRINK);
123 peak_display.set_name ("MixerStripPeakDisplay");
124 peak_display.add (peak_display_label);
125 set_size_request_to_display_given_text (peak_display_frame, "-86.g", 2, 6); /* note the descender */
126 peak_display_frame.set_shadow_type (Gtk::SHADOW_IN);
127 peak_display_frame.set_name ("BaseFrame");
128 peak_display_frame.add (peak_display);
129 max_peak = minus_infinity();
130 peak_display_label.set_text (_("-inf"));
132 meter_metric_area.set_size_request (25, -1);
133 meter_metric_area.set_name ("MeterMetricsStrip");
135 meter_packer.set_spacing (2);
137 gain_automation_style_button.set_name ("MixerAutomationModeButton");
138 gain_automation_state_button.set_name ("MixerAutomationPlaybackButton");
140 ARDOUR_UI::instance()->tooltips().set_tip (gain_automation_state_button, _("Fader automation mode"));
141 ARDOUR_UI::instance()->tooltips().set_tip (gain_automation_style_button, _("Fader automation type"));
143 gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
144 gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
146 gain_automation_state_button.set_size_request(15, 15);
147 gain_automation_style_button.set_size_request(15, 15);
149 fader_vbox = manage (new Gtk::VBox());
150 fader_vbox->set_spacing (0);
151 fader_vbox->pack_start (*gain_slider, false, false, 0);
153 hbox.set_spacing (0);
154 hbox.pack_start (*fader_vbox, false, false, 2);
160 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
162 if we don't have a route (if we're the click),
163 pack some route-dependent stuff.
166 gain_display_box.pack_end (peak_display_frame, Gtk::PACK_SHRINK);
168 hbox.pack_start (meter_packer, true, false);
170 using namespace Menu_Helpers;
172 gain_astate_menu.items().push_back (MenuElem (_("Off"),
173 bind (mem_fun (&_io, &IO::set_gain_automation_state), (AutoState) Off)));
174 gain_astate_menu.items().push_back (MenuElem (_("Play"),
175 bind (mem_fun (&_io, &IO::set_gain_automation_state), (AutoState) Play)));
176 gain_astate_menu.items().push_back (MenuElem (_("Write"),
177 bind (mem_fun (&_io, &IO::set_gain_automation_state), (AutoState) Write)));
178 gain_astate_menu.items().push_back (MenuElem (_("Touch"),
179 bind (mem_fun (&_io, &IO::set_gain_automation_state), (AutoState) Touch)));
181 gain_astyle_menu.items().push_back (MenuElem (_("Trim")));
182 gain_astyle_menu.items().push_back (MenuElem (_("Abs")));
184 gain_astate_menu.set_name ("ArdourContextMenu");
185 gain_astyle_menu.set_name ("ArdourContextMenu");
187 gain_automation_style_button.signal_button_press_event().connect (mem_fun(*this, &GainMeter::gain_automation_style_button_event), false);
188 gain_automation_state_button.signal_button_press_event().connect (mem_fun(*this, &GainMeter::gain_automation_state_button_event), false);
190 r->gain_automation_curve().automation_state_changed.connect (mem_fun(*this, &GainMeter::gain_automation_state_changed));
191 r->gain_automation_curve().automation_style_changed.connect (mem_fun(*this, &GainMeter::gain_automation_style_changed));
192 fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
194 gain_automation_state_changed ();
200 pack_start (gain_display_box, Gtk::PACK_SHRINK);
201 pack_start (hbox, Gtk::PACK_SHRINK);
203 _io.gain_changed.connect (mem_fun(*this, &GainMeter::gain_changed));
205 meter_metric_area.signal_expose_event().connect (mem_fun(*this, &GainMeter::meter_metrics_expose));
206 gain_adjustment.signal_value_changed().connect (mem_fun(*this, &GainMeter::gain_adjusted));
207 peak_display.signal_button_release_event().connect (mem_fun(*this, &GainMeter::peak_button_release));
209 _session.MeterHoldChanged.connect (mem_fun(*this, &GainMeter::meter_hold_changed));
212 update_gain_sensitive ();
214 ResetAllPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_peak_display));
215 ResetGroupPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_group_peak_display));
219 GainMeter::set_width (Width w)
223 peak_display_frame.show_all();
226 peak_display_frame.hide_all();
234 Glib::RefPtr<Gdk::Pixmap>
235 GainMeter::render_metrics (Gtk::Widget& w)
237 Glib::RefPtr<Gdk::Window> win (w.get_window());
238 Glib::RefPtr<Gdk::GC> fg_gc (w.get_style()->get_fg_gc (Gtk::STATE_NORMAL));
239 Glib::RefPtr<Gdk::GC> bg_gc (w.get_style()->get_bg_gc (Gtk::STATE_NORMAL));
240 gint x, y, width, height, depth;
241 int db_points[] = { -50, -40, -20, -30, -10, -3, 0, 4 };
244 win->get_geometry (x, y, width, height, depth);
246 Glib::RefPtr<Gdk::Pixmap> pixmap = Gdk::Pixmap::create (win, width, height);
248 metric_pixmaps[w.get_name()] = pixmap;
250 pixmap->draw_rectangle (bg_gc, true, 0, 0, width, height);
252 Glib::RefPtr<Pango::Layout> layout = w.create_pango_layout("");
254 for (uint32_t i = 0; i < sizeof (db_points)/sizeof (db_points[0]); ++i) {
256 float fraction = log_meter (db_points[i]);
257 gint pos = height - (gint) floor (height * fraction);
259 snprintf (buf, sizeof (buf), "%d", abs (db_points[i]));
261 layout->set_text (buf);
263 /* we want logical extents, not ink extents here */
266 layout->get_pixel_size (width, height);
268 pixmap->draw_line (fg_gc, 0, pos, 4, pos);
269 pixmap->draw_layout (fg_gc, 6, pos - (height/2), layout);
276 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
278 Glib::RefPtr<Gdk::Window> win (meter_metric_area.get_window());
279 Glib::RefPtr<Gdk::GC> fg_gc (meter_metric_area.get_style()->get_fg_gc (Gtk::STATE_NORMAL));
280 Glib::RefPtr<Gdk::GC> bg_gc (meter_metric_area.get_style()->get_bg_gc (Gtk::STATE_NORMAL));
281 GdkRectangle base_rect;
282 GdkRectangle draw_rect;
283 gint x, y, width, height, depth;
285 win->get_geometry (x, y, width, height, depth);
287 base_rect.width = width;
288 base_rect.height = height;
292 Glib::RefPtr<Gdk::Pixmap> pixmap;
293 std::map<string,Glib::RefPtr<Gdk::Pixmap> >::iterator i = metric_pixmaps.find (meter_metric_area.get_name());
295 if (i == metric_pixmaps.end()) {
296 pixmap = render_metrics (meter_metric_area);
301 gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
302 win->draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
303 win->draw_drawable (bg_gc, pixmap, draw_rect.x, draw_rect.y, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
308 GainMeter::~GainMeter ()
314 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
322 GainMeter::update_meters ()
324 vector<MeterInfo>::iterator i;
329 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
331 peak = _io.peak_input_power (n);
333 (*i).meter->set (log_meter (peak), peak);
335 if (peak > max_peak) {
337 /* set peak display */
338 if (max_peak <= -200.0f) {
339 peak_display_label.set_text (_("-inf"));
341 snprintf (buf, sizeof(buf), "%.1f", max_peak);
342 peak_display_label.set_text (buf);
345 if (max_peak >= 0.0f) {
346 peak_display.set_name ("MixerStripPeakDisplayPeak");
354 GainMeter::meter_hold_changed()
356 ENSURE_GUI_THREAD(mem_fun(*this, &GainMeter::meter_hold_changed));
358 vector<MeterInfo>::iterator i;
361 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
363 (*i).meter->set_hold_count ((uint32_t) floor(_session.meter_hold()));
368 GainMeter::hide_all_meters ()
370 bool remove_metric_area = false;
372 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
374 remove_metric_area = true;
375 meter_packer.remove (*((*i).meter));
380 if (remove_metric_area) {
381 if (meter_metric_area.get_parent()) {
382 meter_packer.remove (meter_metric_area);
388 GainMeter::setup_meters ()
390 uint32_t nmeters = _io.n_outputs();
397 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
399 switch (r->meter_point()) {
402 nmeters = r->n_inputs();
405 nmeters = r->n_outputs();
411 nmeters = _io.n_outputs();
420 width = regular_meter_width;
422 width = thin_meter_width;
425 while (meters.size() < nmeters) {
426 meters.push_back (MeterInfo());
429 for (uint32_t n = 0; n < nmeters; ++n) {
430 if (meters[n].width != width) {
431 delete meters[n].meter;
432 meters[n].meter = new FastMeter ((uint32_t) floor (_session.meter_hold()), width, FastMeter::Vertical);
433 meters[n].width = width;
435 meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
436 meters[n].meter->signal_button_release_event().connect (bind (mem_fun(*this, &GainMeter::meter_button_release), n));
439 meter_packer.pack_start (*meters[n].meter, Gtk::PACK_SHRINK);
440 meters[n].meter->show_all ();
441 meters[n].packed = true;
444 if (_width == Wide) {
445 meter_packer.pack_start (meter_metric_area, Gtk::PACK_SHRINK);
446 meter_metric_area.show_all ();
451 GainMeter::peak_button_release (GdkEventButton* ev)
453 /* reset peak label */
455 if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control|Keyboard::Shift)) {
456 ResetAllPeakDisplays ();
457 } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
459 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
460 ResetGroupPeakDisplays (r->mix_group());
463 reset_peak_display ();
469 GainMeter::reset_peak_display ()
471 max_peak = minus_infinity();
472 peak_display_label.set_text (_("-Inf"));
473 peak_display.set_name ("Mixerstrippeakdisplay");
477 GainMeter::reset_group_peak_display (RouteGroup* group)
480 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
481 if (group == r->mix_group()) {
482 reset_peak_display ();
488 GainMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
490 switch (ev->button) {
492 meters[which].meter->clear();
493 max_peak = minus_infinity();
494 peak_display_label.set_text (_("-inf"));
495 peak_display.set_name ("MixerStripPeakDisplay");
499 // popup_meter_menu (ev);
507 GainMeter::popup_meter_menu (GdkEventButton *ev)
509 using namespace Menu_Helpers;
511 if (meter_menu == 0) {
512 meter_menu = new Gtk::Menu;
513 MenuList& items = meter_menu->items();
515 items.push_back (MenuElem ("-inf .. +0dBFS"));
516 items.push_back (MenuElem ("-10dB .. +0dBFS"));
517 items.push_back (MenuElem ("-4 .. +0dBFS"));
518 items.push_back (SeparatorElem());
519 items.push_back (MenuElem ("-inf .. -2dBFS"));
520 items.push_back (MenuElem ("-10dB .. -2dBFS"));
521 items.push_back (MenuElem ("-4 .. -2dBFS"));
524 meter_menu->popup (1, ev->time);
528 GainMeter::_gain_printer (char buf[32], Gtk::Adjustment& adj, void *arg)
530 static_cast<GainMeter *>(arg)->gain_printer (buf, adj);
534 GainMeter::gain_printer (char buf[32], Gtk::Adjustment& adj)
536 float v = adj.get_value();
539 strcpy (buf, _("-inf"));
541 snprintf (buf, 32, "%.1f", coefficient_to_dB (slider_position_to_gain (v)));
546 GainMeter::gain_adjusted ()
548 if (!ignore_toggle) {
549 _io.set_gain (slider_position_to_gain (gain_adjustment.get_value()), this);
554 GainMeter::effective_gain_display ()
556 gfloat value = gain_to_slider_position (_io.effective_gain());
558 if (gain_adjustment.get_value() != value) {
559 ignore_toggle = true;
560 gain_adjustment.set_value (value);
561 ignore_toggle = false;
566 GainMeter::gain_changed (void *src)
568 Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &GainMeter::effective_gain_display));
572 GainMeter::set_meter_strip_name (const char * name)
574 meter_metric_area.set_name (name);
578 GainMeter::set_fader_name (const char * name)
580 gain_slider->set_name (name);
584 GainMeter::update_gain_sensitive ()
586 static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (!(_io.gain_automation_state() & Play));
591 next_meter_point (MeterPoint mp)
595 return MeterPreFader;
599 return MeterPostFader;
611 GainMeter::meter_press(GdkEventButton* ev)
615 wait_for_release = false;
617 if ((_route = dynamic_cast<Route*>(&_io)) == 0) {
621 if (!ignore_toggle) {
623 if (Keyboard::is_context_menu_event (ev)) {
625 // no menu at this time.
629 if (ev->button == 2) {
631 // ctrl-button2 click is the midi binding click
632 // button2-click is "momentary"
634 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control))) {
635 wait_for_release = true;
636 old_meter_point = _route->meter_point ();
640 if (ev->button == 1 || ev->button == 2) {
642 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control|Keyboard::Shift))) {
644 /* ctrl-shift-click applies change to all routes */
646 _session.foreach_route (this, &GainMeter::set_meter_point, next_meter_point (_route->meter_point()));
648 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
650 /* ctrl-click: solo mix group.
651 ctrl-button2 is MIDI learn.
654 if (ev->button == 1) {
655 set_mix_group_meter_point (*_route, next_meter_point (_route->meter_point()));
660 /* click: solo this route */
662 _route->set_meter_point (next_meter_point (_route->meter_point()), this);
673 GainMeter::meter_release(GdkEventButton* ev)
677 if (wait_for_release){
678 wait_for_release = false;
679 set_meter_point (*(dynamic_cast<Route*>(&_io)), old_meter_point);
686 GainMeter::set_meter_point (Route& route, MeterPoint mp)
688 route.set_meter_point (mp, this);
692 GainMeter::set_mix_group_meter_point (Route& route, MeterPoint mp)
694 RouteGroup* mix_group;
696 if((mix_group = route.mix_group()) != 0){
697 mix_group->apply (&Route::set_meter_point, mp, this);
699 route.set_meter_point (mp, this);
704 GainMeter::meter_point_clicked ()
708 if ((r = dynamic_cast<Route*> (&_io)) != 0) {
714 GainMeter::start_gain_touch (GdkEventButton* ev)
716 _io.start_gain_touch ();
721 GainMeter::end_gain_touch (GdkEventButton* ev)
723 _io.end_gain_touch ();
728 GainMeter::gain_automation_state_button_event (GdkEventButton *ev)
730 if (ev->type == GDK_BUTTON_RELEASE) {
734 switch (ev->button) {
736 gain_astate_menu.popup (1, ev->time);
746 GainMeter::gain_automation_style_button_event (GdkEventButton *ev)
748 if (ev->type == GDK_BUTTON_RELEASE) {
752 switch (ev->button) {
754 gain_astyle_menu.popup (1, ev->time);
763 GainMeter::astate_string (AutoState state)
765 return _astate_string (state, false);
769 GainMeter::short_astate_string (AutoState state)
771 return _astate_string (state, true);
775 GainMeter::_astate_string (AutoState state, bool shrt)
781 sstr = (shrt ? "O" : _("O"));
784 sstr = (shrt ? "P" : _("P"));
787 sstr = (shrt ? "T" : _("T"));
790 sstr = (shrt ? "W" : _("W"));
798 GainMeter::astyle_string (AutoStyle style)
800 return _astyle_string (style, false);
804 GainMeter::short_astyle_string (AutoStyle style)
806 return _astyle_string (style, true);
810 GainMeter::_astyle_string (AutoStyle style, bool shrt)
815 /* XXX it might different in different languages */
817 return (shrt ? _("Abs") : _("Abs"));
822 GainMeter::gain_automation_style_changed ()
824 // Route* _route = dynamic_cast<Route*>(&_io);
827 gain_automation_style_button.set_label (astyle_string(_io.gain_automation_curve().automation_style()));
830 gain_automation_style_button.set_label (short_astyle_string(_io.gain_automation_curve().automation_style()));
836 GainMeter::gain_automation_state_changed ()
838 ENSURE_GUI_THREAD(mem_fun(*this, &GainMeter::gain_automation_state_changed));
839 //Route* _route = dynamic_cast<Route*>(&_io);
845 gain_automation_state_button.set_label (astate_string(_io.gain_automation_curve().automation_state()));
848 gain_automation_state_button.set_label (short_astate_string(_io.gain_automation_curve().automation_state()));
852 x = (_io.gain_automation_state() != Off);
854 if (gain_automation_state_button.get_active() != x) {
855 ignore_toggle = true;
856 gain_automation_state_button.set_active (x);
857 ignore_toggle = false;
860 update_gain_sensitive ();
862 /* start watching automation so that things move */
864 gain_watching.disconnect();
867 gain_watching = ARDOUR_UI::RapidScreenUpdate.connect (mem_fun (*this, &GainMeter::effective_gain_display));