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allow dragging in MIDI automation line in cue editor

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Note: once this is cleaned up and checked with respect to snap and more,
the same should be done for MidiRegionView
This commit is contained in:
Paul Davis 2024-10-07 16:28:54 -06:00
parent 4b8c51574d
commit b8fb779fa7
10 changed files with 87 additions and 66 deletions
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36
gtk2_ardour/midi_cue_view.cc
View file

@ -29,6 +29,7 @@
#include "editor_drag.h"
#include "hit.h"
#include "keyboard.h"
#include "mergeable_line.h"
#include "midi_cue_automation_line.h"
#include "midi_cue_view.h"
#include "midi_cue_velocity.h"
@ -48,7 +49,6 @@ MidiCueView::MidiCueView (std::shared_ptr<ARDOUR::MidiTrack> mt,
MidiViewBackground& bg,
uint32_t basic_color)
: MidiView (mt, parent, ec, bg, basic_color)
, automation_line (nullptr)
, velocity_base (nullptr)
, velocity_display (nullptr)
, _slot_index (slot_index)
@ -72,6 +72,7 @@ MidiCueView::MidiCueView (std::shared_ptr<ARDOUR::MidiTrack> mt,
automation_group = new ArdourCanvas::Rectangle (&parent);
CANVAS_DEBUG_NAME (automation_group, "cue automation group");
automation_group->set_fill_color (UIConfiguration::instance().color ("midi automation track fill"));
automation_group->set_data ("linemerger", this);
velocity_base = new ArdourCanvas::Rectangle (&parent);
CANVAS_DEBUG_NAME (velocity_base, "cue velocity base");
@ -249,10 +250,8 @@ MidiCueView::show_automation (Evoral::Parameter const & param)
// return;
// }
if (automation_line) {
delete automation_line;
automation_line = nullptr;
}
automation_line.reset ();
automation_control.reset ();
std::shared_ptr<AutomationControl> control;
@ -274,18 +273,17 @@ MidiCueView::show_automation (Evoral::Parameter const & param)
*/
std::shared_ptr<Evoral::Control> control = _midi_region->model()->control (param, true);
std::shared_ptr<AutomationControl> ac = std::dynamic_pointer_cast<AutomationControl> (control);
automation_control = std::dynamic_pointer_cast<AutomationControl> (control);
if (ac) {
automation_line = new MidiCueAutomationLine ("whatevs",
_editing_context,
*automation_group,
automation_group,
ac->alist(),
ac->desc());
if (automation_control) {
automation_line.reset (new MidiCueAutomationLine ("whatevs",
_editing_context,
*automation_group,
automation_group,
automation_control->alist(),
automation_control->desc()));
automation_line->set_height (automation_group->get().height());
}
break;
}
@ -299,7 +297,15 @@ MidiCueView::selectable_owners()
{
std::list<SelectableOwner*> sl;
if (automation_line) {
sl.push_back (automation_line);
sl.push_back (automation_line.get());
}
return sl;
}
MergeableLine*
MidiCueView::make_merger ()
{
return new MergeableLine (automation_line, automation_control,
[this](Temporal::timepos_t const& t) { return t; },
nullptr, nullptr);
}