ardour/livetrax
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Midi-track fader & pan automation

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NB. Fader automation lane always shows 'dB' value and is logarithmic.
OK for pre-fader synths, but not for raw-midi data.
This commit is contained in:
Robin Gareus 2014-01-15 11:30:54 +01:00
parent b73b2ceecd
commit ab838a1260
2 changed files with 137 additions and 0 deletions
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128
gtk2_ardour/midi_time_axis.cc
View File

@ -47,6 +47,9 @@
#include "ardour/midi_source.h"
#include "ardour/midi_track.h"
#include "ardour/operations.h"
#include "ardour/pannable.h"
#include "ardour/panner.h"
#include "ardour/panner_shell.h"
#include "ardour/playlist.h"
#include "ardour/region.h"
#include "ardour/region_factory.h"
@ -165,7 +168,17 @@ MidiTimeAxisView::set_route (boost::shared_ptr<Route> rt)
controls_ebox.set_name ("MidiBusControlsBaseUnselected");
}
/* if set_state above didn't create a gain automation child, we need to make one */
if (automation_child (GainAutomation) == 0) {
create_automation_child (GainAutomation, false);
}
if (_route->panner_shell()) {
_route->panner_shell()->Changed.connect (*this, invalidator (*this), boost::bind (&MidiTimeAxisView::ensure_pan_views, this, false), gui_context());
}
/* map current state of the route */
ensure_pan_views (false);
processors_changed (RouteProcessorChange ());
@ -583,6 +596,27 @@ MidiTimeAxisView::build_automation_action_menu (bool for_selection)
MenuElem (string_compose ("<i>%1</i>", _("No MIDI Channels selected"))));
dynamic_cast<Label*> (automation_items.back().get_child())->set_use_markup (true);
}
automation_items.push_back (SeparatorElem());
automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &MidiTimeAxisView::update_gain_track_visibility)));
gain_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
gain_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
(gain_track && string_is_affirmative (gain_track->gui_property ("visible"))));
_main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
if (!pan_tracks.empty()) {
automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &MidiTimeAxisView::update_pan_track_visibility)));
pan_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
pan_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
(!pan_tracks.empty() && string_is_affirmative (pan_tracks.front()->gui_property ("visible"))));
set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
for (set<Evoral::Parameter>::iterator p = params.begin(); p != params.end(); ++p) {
_main_automation_menu_map[*p] = pan_automation_item;
}
}
}
void
@ -1074,6 +1108,94 @@ MidiTimeAxisView::update_range()
}
}
void
MidiTimeAxisView::ensure_pan_views (bool show)
{
bool changed = false;
for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
changed = true;
(*i)->set_marked_for_display (false);
}
if (changed) {
_route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
}
pan_tracks.clear();
if (!_route->panner()) {
return;
}
set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
set<Evoral::Parameter>::iterator p;
for (p = params.begin(); p != params.end(); ++p) {
boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_control(*p);
if (pan_control->parameter().type() == NullAutomation) {
error << "Pan control has NULL automation type!" << endmsg;
continue;
}
if (automation_child (pan_control->parameter ()).get () == 0) {
/* we don't already have an AutomationTimeAxisView for this parameter */
std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
boost::shared_ptr<AutomationTimeAxisView> t (
new AutomationTimeAxisView (_session,
_route,
_route->pannable(),
pan_control,
pan_control->parameter (),
_editor,
*this,
false,
parent_canvas,
name)
);
pan_tracks.push_back (t);
add_automation_child (*p, t, show);
} else {
pan_tracks.push_back (automation_child (pan_control->parameter ()));
}
}
}
void
MidiTimeAxisView::update_gain_track_visibility ()
{
bool const showit = gain_automation_item->get_active();
if (showit != string_is_affirmative (gain_track->gui_property ("visible"))) {
gain_track->set_marked_for_display (showit);
/* now trigger a redisplay */
if (!no_redraw) {
_route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
}
}
}
void
MidiTimeAxisView::update_pan_track_visibility ()
{
bool const showit = pan_automation_item->get_active();
bool changed = false;
for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
if ((*i)->set_marked_for_display (showit)) {
changed = true;
}
}
if (changed) {
_route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
}
}
void
MidiTimeAxisView::show_all_automation (bool apply_to_selection)
{
@ -1180,6 +1302,12 @@ MidiTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool
add_automation_child (param, track, show);
break;
case PanWidthAutomation:
case PanElevationAutomation:
case PanAzimuthAutomation:
ensure_pan_views (show);
break;
default:
error << "MidiTimeAxisView: unknown automation child "
<< EventTypeMap::instance().to_symbol(param) << endmsg;

9
gtk2_ardour/midi_time_axis.h
View File

@ -179,6 +179,15 @@ class MidiTimeAxisView : public RouteTimeAxisView
void capture_channel_mode_changed();
void playback_channel_mode_changed();
void ensure_pan_views (bool show = true);
void update_gain_track_visibility ();
void update_pan_track_visibility ();
Gtk::CheckMenuItem* gain_automation_item;
std::list<boost::shared_ptr<AutomationTimeAxisView> > pan_tracks;
Gtk::CheckMenuItem* pan_automation_item;
};
#endif /* __ardour_midi_time_axis_h__ */