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.
22 #include <ardour/io.h>
23 #include <ardour/route.h>
24 #include <ardour/route_group.h>
25 #include <ardour/session.h>
26 #include <ardour/session_route.h>
27 #include <ardour/dB.h>
29 #include <gtkmm2ext/utils.h>
30 #include <gtkmm2ext/fastmeter.h>
31 #include <gtkmm2ext/stop_signal.h>
32 #include <gtkmm2ext/barcontroller.h>
33 #include <midi++/manager.h>
34 #include <pbd/fastlog.h>
36 #include "ardour_ui.h"
37 #include "gain_meter.h"
40 #include "gui_thread.h"
42 #include "public_editor.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 slider = ::get_icon ("fader_belt");
69 GainMeter::GainMeter (boost::shared_ptr<IO> io, Session& s)
73 // 0.781787 is the value needed for gain to be set to 0.
74 gain_adjustment (0.781787, 0.0, 1.0, 0.01, 0.1),
75 gain_automation_style_button (""),
76 gain_automation_state_button ("")
83 ignore_toggle = false;
85 next_release_selects = false;
88 gain_slider = manage (new VSliderController (slider,
93 gain_slider->signal_button_press_event().connect (mem_fun(*this, &GainMeter::start_gain_touch));
94 gain_slider->signal_button_release_event().connect (mem_fun(*this, &GainMeter::end_gain_touch));
95 gain_slider->set_name ("GainFader");
97 gain_display.set_name ("MixerStripGainDisplay");
98 gain_display.set_has_frame (false);
99 set_size_request_to_display_given_text (gain_display, "-80.g", 2, 6); /* note the descender */
100 gain_display.signal_activate().connect (mem_fun (*this, &GainMeter::gain_activated));
101 gain_display.signal_focus_in_event().connect (mem_fun (*this, &GainMeter::gain_focused), false);
102 gain_display.signal_focus_out_event().connect (mem_fun (*this, &GainMeter::gain_focused), false);
104 gain_display_box.set_homogeneous (true);
105 gain_display_box.set_spacing (2);
106 gain_display_box.pack_start (gain_display, true, true);
108 peak_display.set_name ("MixerStripPeakDisplay");
109 // peak_display.set_has_frame (false);
110 // peak_display.set_editable (false);
111 set_size_request_to_display_given_text (peak_display, "-80.g", 2, 6); /* note the descender */
112 max_peak = minus_infinity();
113 peak_display.set_label (_("-inf"));
114 peak_display.unset_flags (Gtk::CAN_FOCUS);
116 meter_metric_area.set_name ("MeterMetricsStrip");
117 set_size_request_to_display_given_text (meter_metric_area, "-50", 0, 0);
119 meter_packer.set_spacing (2);
121 gain_automation_style_button.set_name ("MixerAutomationModeButton");
122 gain_automation_state_button.set_name ("MixerAutomationPlaybackButton");
124 ARDOUR_UI::instance()->tooltips().set_tip (gain_automation_state_button, _("Fader automation mode"));
125 ARDOUR_UI::instance()->tooltips().set_tip (gain_automation_style_button, _("Fader automation type"));
127 gain_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
128 gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
130 gain_automation_state_button.set_size_request(15, 15);
131 gain_automation_style_button.set_size_request(15, 15);
133 HBox* fader_centering_box = manage (new HBox);
134 fader_centering_box->pack_start (*gain_slider, true, false);
136 fader_vbox = manage (new Gtk::VBox());
137 fader_vbox->set_spacing (0);
138 fader_vbox->pack_start (*fader_centering_box, false, false, 0);
140 hbox.set_spacing (2);
141 hbox.pack_start (*fader_vbox, true, true);
147 if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
150 if we have a route (ie. we're not the click),
151 pack some route-dependent stuff.
154 gain_display_box.pack_end (peak_display, true, true);
156 hbox.pack_end (meter_packer, true, true);
158 using namespace Menu_Helpers;
160 gain_astate_menu.items().push_back (MenuElem (_("Manual"),
161 bind (mem_fun (*_io, &IO::set_gain_automation_state), (AutoState) Off)));
162 gain_astate_menu.items().push_back (MenuElem (_("Play"),
163 bind (mem_fun (*_io, &IO::set_gain_automation_state), (AutoState) Play)));
164 gain_astate_menu.items().push_back (MenuElem (_("Write"),
165 bind (mem_fun (*_io, &IO::set_gain_automation_state), (AutoState) Write)));
166 gain_astate_menu.items().push_back (MenuElem (_("Touch"),
167 bind (mem_fun (*_io, &IO::set_gain_automation_state), (AutoState) Touch)));
169 gain_astyle_menu.items().push_back (MenuElem (_("Trim")));
170 gain_astyle_menu.items().push_back (MenuElem (_("Abs")));
172 gain_astate_menu.set_name ("ArdourContextMenu");
173 gain_astyle_menu.set_name ("ArdourContextMenu");
175 gain_automation_style_button.signal_button_press_event().connect (mem_fun(*this, &GainMeter::gain_automation_style_button_event), false);
176 gain_automation_state_button.signal_button_press_event().connect (mem_fun(*this, &GainMeter::gain_automation_state_button_event), false);
178 r->gain_automation_curve().automation_state_changed.connect (mem_fun(*this, &GainMeter::gain_automation_state_changed));
179 r->gain_automation_curve().automation_style_changed.connect (mem_fun(*this, &GainMeter::gain_automation_style_changed));
180 fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
182 gain_automation_state_changed ();
187 pack_start (gain_display_box, Gtk::PACK_SHRINK);
188 pack_start (hbox, Gtk::PACK_SHRINK);
190 _io->gain_changed.connect (mem_fun(*this, &GainMeter::gain_changed));
192 meter_metric_area.signal_expose_event().connect (mem_fun(*this, &GainMeter::meter_metrics_expose));
193 gain_adjustment.signal_value_changed().connect (mem_fun(*this, &GainMeter::gain_adjusted));
194 peak_display.signal_button_release_event().connect (mem_fun(*this, &GainMeter::peak_button_release), false);
195 gain_display.signal_key_press_event().connect (mem_fun(*this, &GainMeter::gain_key_press), false);
197 Config->ParameterChanged.connect (mem_fun (*this, &GainMeter::parameter_changed));
202 update_gain_sensitive ();
204 ResetAllPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_peak_display));
205 ResetGroupPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_group_peak_display));
207 UI::instance()->theme_changed.connect (mem_fun(*this, &GainMeter::on_theme_changed));
211 GainMeter::set_width (Width w)
226 Glib::RefPtr<Gdk::Pixmap>
227 GainMeter::render_metrics (Gtk::Widget& w)
229 Glib::RefPtr<Gdk::Window> win (w.get_window());
230 Glib::RefPtr<Gdk::GC> fg_gc (w.get_style()->get_fg_gc (Gtk::STATE_NORMAL));
231 Glib::RefPtr<Gdk::GC> bg_gc (w.get_style()->get_bg_gc (Gtk::STATE_NORMAL));
233 int db_points[] = { -50, -40, -20, -30, -10, -3, 0, 4 };
236 win->get_size (width, height);
238 Glib::RefPtr<Gdk::Pixmap> pixmap = Gdk::Pixmap::create (win, width, height);
240 metric_pixmaps[w.get_name()] = pixmap;
242 pixmap->draw_rectangle (bg_gc, true, 0, 0, width, height);
244 Glib::RefPtr<Pango::Layout> layout = w.create_pango_layout("");
246 for (uint32_t i = 0; i < sizeof (db_points)/sizeof (db_points[0]); ++i) {
248 float fraction = log_meter (db_points[i]);
249 gint pos = height - (gint) floor (height * fraction);
251 snprintf (buf, sizeof (buf), "%d", abs (db_points[i]));
253 layout->set_text (buf);
255 /* we want logical extents, not ink extents here */
258 layout->get_pixel_size (width, height);
260 pixmap->draw_line (fg_gc, 0, pos, 4, pos);
261 pixmap->draw_layout (fg_gc, 6, pos - (height/2), layout);
268 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
270 static Glib::RefPtr<Gtk::Style> meter_style;
273 meter_style = meter_metric_area.get_style();
275 Glib::RefPtr<Gdk::Window> win (meter_metric_area.get_window());
276 Glib::RefPtr<Gdk::GC> fg_gc (meter_style->get_fg_gc (Gtk::STATE_NORMAL));
277 Glib::RefPtr<Gdk::GC> bg_gc (meter_style->get_fg_gc (Gtk::STATE_NORMAL));
278 GdkRectangle base_rect;
279 GdkRectangle draw_rect;
282 win->get_size (width, height);
284 base_rect.width = width;
285 base_rect.height = height;
289 Glib::RefPtr<Gdk::Pixmap> pixmap;
290 std::map<string,Glib::RefPtr<Gdk::Pixmap> >::iterator i = metric_pixmaps.find (meter_metric_area.get_name());
292 if (i == metric_pixmaps.end() || style_changed) {
293 pixmap = render_metrics (meter_metric_area);
298 gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
299 win->draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
300 win->draw_drawable (fg_gc, pixmap, draw_rect.x, draw_rect.y, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
302 style_changed = false;
307 GainMeter::on_theme_changed()
309 style_changed = true;
312 GainMeter::~GainMeter ()
318 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
326 GainMeter::update_meters ()
328 vector<MeterInfo>::iterator i;
333 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
335 peak = _io->peak_input_power (n);
337 (*i).meter->set (log_meter (peak));
339 mpeak = _io->max_peak_power(n);
341 if (mpeak > max_peak) {
343 /* set peak display */
344 if (max_peak <= -200.0f) {
345 peak_display.set_label (_("-inf"));
347 snprintf (buf, sizeof(buf), "%.1f", max_peak);
348 peak_display.set_label (buf);
351 if (max_peak >= 0.0f) {
352 peak_display.set_name ("MixerStripPeakDisplayPeak");
360 GainMeter::parameter_changed(const char* parameter_name)
362 #define PARAM_IS(x) (!strcmp (parameter_name, (x)))
364 ENSURE_GUI_THREAD (bind (mem_fun(*this, &GainMeter::parameter_changed), parameter_name));
366 if (PARAM_IS ("meter-hold")) {
368 vector<MeterInfo>::iterator i;
371 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
373 (*i).meter->set_hold_count ((uint32_t) floor(Config->get_meter_hold()));
381 GainMeter::hide_all_meters ()
383 bool remove_metric_area = false;
385 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
387 remove_metric_area = true;
388 meter_packer.remove (*((*i).meter));
393 if (remove_metric_area) {
394 if (meter_metric_area.get_parent()) {
395 meter_packer.remove (meter_metric_area);
401 GainMeter::setup_meters ()
403 uint32_t nmeters = _io->n_outputs();
410 if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
412 switch (r->meter_point()) {
415 nmeters = r->n_inputs();
418 nmeters = r->n_outputs();
424 nmeters = _io->n_outputs();
433 width = regular_meter_width;
435 width = thin_meter_width;
438 while (meters.size() < nmeters) {
439 meters.push_back (MeterInfo());
442 /* pack them backwards */
444 if (_width == Wide) {
445 meter_packer.pack_end (meter_metric_area, false, false);
446 meter_metric_area.show_all ();
449 for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
450 if (meters[n].width != width) {
451 delete meters[n].meter;
452 meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, FastMeter::Vertical);
453 meters[n].width = width;
455 meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
456 meters[n].meter->signal_button_release_event().connect (bind (mem_fun(*this, &GainMeter::meter_button_release), n));
459 meter_packer.pack_end (*meters[n].meter, false, false);
460 meters[n].meter->show_all ();
461 meters[n].packed = true;
466 GainMeter::get_gm_width ()
469 hbox.size_request (sz);
474 GainMeter::gain_key_press (GdkEventKey* ev)
476 if (key_is_legal_for_numeric_entry (ev->keyval)) {
477 /* drop through to normal handling */
480 /* illegal key for gain entry */
485 GainMeter::peak_button_release (GdkEventButton* ev)
487 /* reset peak label */
489 if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control|Keyboard::Shift)) {
490 ResetAllPeakDisplays ();
491 } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
493 if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
494 ResetGroupPeakDisplays (r->mix_group());
497 reset_peak_display ();
504 GainMeter::reset_peak_display ()
507 if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
508 r->reset_max_peak_meters();
511 max_peak = -INFINITY;
512 peak_display.set_label (_("-Inf"));
513 peak_display.set_name ("MixerStripPeakDisplay");
517 GainMeter::reset_group_peak_display (RouteGroup* group)
520 if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
521 if (group == r->mix_group()) {
522 reset_peak_display ();
528 GainMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
530 switch (ev->button) {
532 meters[which].meter->clear();
533 max_peak = minus_infinity();
534 peak_display.set_label (_("-inf"));
535 peak_display.set_name ("MixerStripPeakDisplay");
539 // popup_meter_menu (ev);
547 GainMeter::popup_meter_menu (GdkEventButton *ev)
549 using namespace Menu_Helpers;
551 if (meter_menu == 0) {
552 meter_menu = new Gtk::Menu;
553 MenuList& items = meter_menu->items();
555 items.push_back (MenuElem ("-inf .. +0dBFS"));
556 items.push_back (MenuElem ("-10dB .. +0dBFS"));
557 items.push_back (MenuElem ("-4 .. +0dBFS"));
558 items.push_back (SeparatorElem());
559 items.push_back (MenuElem ("-inf .. -2dBFS"));
560 items.push_back (MenuElem ("-10dB .. -2dBFS"));
561 items.push_back (MenuElem ("-4 .. -2dBFS"));
564 meter_menu->popup (1, ev->time);
568 GainMeter::gain_focused (GdkEventFocus* ev)
571 gain_display.select_region (0, -1);
573 gain_display.select_region (0, 0);
579 GainMeter::gain_activated ()
583 if (sscanf (gain_display.get_text().c_str(), "%f", &f) == 1) {
585 /* clamp to displayable values */
589 _io->set_gain (dB_to_coefficient(f), this);
591 if (gain_display.has_focus()) {
592 PublicEditor::instance().reset_focus();
598 GainMeter::show_gain ()
602 float v = gain_adjustment.get_value();
605 strcpy (buf, _("-inf"));
607 snprintf (buf, 32, "%.1f", coefficient_to_dB (slider_position_to_gain (v)));
610 gain_display.set_text (buf);
614 GainMeter::gain_adjusted ()
616 if (!ignore_toggle) {
617 _io->set_gain (slider_position_to_gain (gain_adjustment.get_value()), this);
623 GainMeter::effective_gain_display ()
625 gfloat value = gain_to_slider_position (_io->effective_gain());
627 if (gain_adjustment.get_value() != value) {
628 ignore_toggle = true;
629 gain_adjustment.set_value (value);
630 ignore_toggle = false;
635 GainMeter::gain_changed (void *src)
637 Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &GainMeter::effective_gain_display));
641 GainMeter::set_meter_strip_name (const char * name)
643 meter_metric_area.set_name (name);
647 GainMeter::set_fader_name (const char * name)
649 gain_slider->set_name (name);
653 GainMeter::update_gain_sensitive ()
655 static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (!(_io->gain_automation_state() & Play));
660 next_meter_point (MeterPoint mp)
664 return MeterPreFader;
668 return MeterPostFader;
680 GainMeter::meter_press(GdkEventButton* ev)
684 wait_for_release = false;
686 if ((_route = dynamic_cast<Route*>(_io.get())) == 0) {
690 if (!ignore_toggle) {
692 if (Keyboard::is_context_menu_event (ev)) {
694 // no menu at this time.
698 if (ev->button == 2) {
700 // ctrl-button2 click is the midi binding click
701 // button2-click is "momentary"
703 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control))) {
704 wait_for_release = true;
705 old_meter_point = _route->meter_point ();
709 if (ev->button == 1 || ev->button == 2) {
711 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control|Keyboard::Shift))) {
713 /* ctrl-shift-click applies change to all routes */
715 _session.begin_reversible_command (_("meter point change"));
716 Session::GlobalMeteringStateCommand *cmd = new Session::GlobalMeteringStateCommand (_session, this);
717 _session.foreach_route (this, &GainMeter::set_meter_point, next_meter_point (_route->meter_point()));
719 _session.add_command (cmd);
720 _session.commit_reversible_command ();
723 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
725 /* ctrl-click: solo mix group.
726 ctrl-button2 is MIDI learn.
729 if (ev->button == 1) {
730 _session.begin_reversible_command (_("meter point change"));
731 Session::GlobalMeteringStateCommand *cmd = new Session::GlobalMeteringStateCommand (_session, this);
732 set_mix_group_meter_point (*_route, next_meter_point (_route->meter_point()));
734 _session.add_command (cmd);
735 _session.commit_reversible_command ();
740 /* click: change just this route */
744 _route->set_meter_point (next_meter_point (_route->meter_point()), this);
755 GainMeter::meter_release(GdkEventButton* ev)
759 if (wait_for_release){
760 wait_for_release = false;
761 set_meter_point (*(dynamic_cast<Route*>(_io.get())), old_meter_point);
768 GainMeter::set_meter_point (Route& route, MeterPoint mp)
770 route.set_meter_point (mp, this);
774 GainMeter::set_mix_group_meter_point (Route& route, MeterPoint mp)
776 RouteGroup* mix_group;
778 if((mix_group = route.mix_group()) != 0){
779 mix_group->apply (&Route::set_meter_point, mp, this);
781 route.set_meter_point (mp, this);
786 GainMeter::meter_point_clicked ()
790 if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
796 GainMeter::start_gain_touch (GdkEventButton* ev)
798 _io->start_gain_touch ();
803 GainMeter::end_gain_touch (GdkEventButton* ev)
805 _io->end_gain_touch ();
810 GainMeter::gain_automation_state_button_event (GdkEventButton *ev)
812 if (ev->type == GDK_BUTTON_RELEASE) {
816 switch (ev->button) {
818 gain_astate_menu.popup (1, ev->time);
828 GainMeter::gain_automation_style_button_event (GdkEventButton *ev)
830 if (ev->type == GDK_BUTTON_RELEASE) {
834 switch (ev->button) {
836 gain_astyle_menu.popup (1, ev->time);
845 GainMeter::astate_string (AutoState state)
847 return _astate_string (state, false);
851 GainMeter::short_astate_string (AutoState state)
853 return _astate_string (state, true);
857 GainMeter::_astate_string (AutoState state, bool shrt)
863 sstr = (shrt ? "M" : _("M"));
866 sstr = (shrt ? "P" : _("P"));
869 sstr = (shrt ? "T" : _("T"));
872 sstr = (shrt ? "W" : _("W"));
880 GainMeter::astyle_string (AutoStyle style)
882 return _astyle_string (style, false);
886 GainMeter::short_astyle_string (AutoStyle style)
888 return _astyle_string (style, true);
892 GainMeter::_astyle_string (AutoStyle style, bool shrt)
897 /* XXX it might different in different languages */
899 return (shrt ? _("Abs") : _("Abs"));
904 GainMeter::gain_automation_style_changed ()
906 // Route* _route = dynamic_cast<Route*>(&_io);
909 gain_automation_style_button.set_label (astyle_string(_io->gain_automation_curve().automation_style()));
912 gain_automation_style_button.set_label (short_astyle_string(_io->gain_automation_curve().automation_style()));
918 GainMeter::gain_automation_state_changed ()
920 ENSURE_GUI_THREAD(mem_fun(*this, &GainMeter::gain_automation_state_changed));
921 //Route* _route = dynamic_cast<Route*>(&_io);
927 gain_automation_state_button.set_label (astate_string(_io->gain_automation_curve().automation_state()));
930 gain_automation_state_button.set_label (short_astate_string(_io->gain_automation_curve().automation_state()));
934 x = (_io->gain_automation_state() != Off);
936 if (gain_automation_state_button.get_active() != x) {
937 ignore_toggle = true;
938 gain_automation_state_button.set_active (x);
939 ignore_toggle = false;
942 update_gain_sensitive ();
944 /* start watching automation so that things move */
946 gain_watching.disconnect();
949 gain_watching = ARDOUR_UI::RapidScreenUpdate.connect (mem_fun (*this, &GainMeter::effective_gain_display));