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more logic improvements for managing active/visible state of pianoroll automation

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This commit is contained in:
Paul Davis 2025-03-20 11:39:39 -06:00
parent 1911899d15
commit a8914cbb61
2 changed files with 45 additions and 8 deletions
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52
gtk2_ardour/pianoroll_midi_view.cc
View file

@ -133,7 +133,7 @@ PianorollMidiView::set_height (double h)
double note_area_height;
double automation_height;
if (automation_map.empty()) {
if (!have_visible_automation()) {
note_area_height = h;
automation_height = 0.;
} else {
@ -424,6 +424,18 @@ PianorollMidiView::find_or_create_automation_display_state (Evoral::Parameter co
return ads;
}
bool
PianorollMidiView::have_visible_automation () const
{
for (auto const & [oarameter,ads] : automation_map) {
if (ads.visible) {
return true;
}
}
return false;
}
void
PianorollMidiView::toggle_visibility (Evoral::Parameter const & param)
{
@ -456,9 +468,11 @@ PianorollMidiView::toggle_visibility (Evoral::Parameter const & param)
ads->hide ();
if (ads == active_automation) {
unset_active_automation ();
/* no need to set height or emit signal */
return;
}
if (!have_visible_automation()) {
set_height (_height);
}
} else {
ads->show ();
}
@ -480,15 +494,33 @@ PianorollMidiView::set_active_automation (Evoral::Parameter const & param)
void
PianorollMidiView::unset_active_automation ()
{
for (CueAutomationMap::iterator i = automation_map.begin(); i != automation_map.end(); ++i) {
if (i->second.line) {
i->second.line->set_sensitive (false);
if (!active_automation) {
return;
}
CueAutomationMap::size_type visible = 0;
for (auto & [param,ads] : automation_map) {
if (ads.line) {
ads.line->set_sensitive (false);
} else {
i->second.velocity_display->set_sensitive (false);
ads.velocity_display->set_sensitive (false);
}
if (ads.visible) {
visible++;
}
}
/* If the currently active automation is the only one visible, hide it */
if (active_automation->visible && visible == 1) {
active_automation->hide ();
set_height (_height);
}
active_automation = nullptr;
AutomationStateChange(); /* EMIT SIGNAL */
}
@ -496,14 +528,18 @@ void
PianorollMidiView::internal_set_active_automation (AutomationDisplayState& ads)
{
if (active_automation == &ads) {
unset_active_automation ();
return;
}
/* active automation MUST be visible and sensitive */
bool had_visible = have_visible_automation ();
ads.show ();
if (!had_visible) {
set_height (_height);
}
ads.set_sensitive (true);
ads.set_height (automation_group->get().height());
ads.show ();
active_automation = &ads;
/* Now desensitize the rest */

1
gtk2_ardour/pianoroll_midi_view.h
View file

@ -137,4 +137,5 @@ class PianorollMidiView : public MidiView
Gtkmm2ext::Color line_color_for (Evoral::Parameter const &);
void reset_width_dependent_items (double pixel_width);
bool have_visible_automation () const;
};