From 899cacdf86e5a26fcd6cd514c1cfa423b7cd71cf Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 2 Dec 2022 19:19:20 +0100
Subject: [PATCH] Delete/BackSpc clears selected trigger-clos

---
 gtk2_ardour/trigger.bindings |  2 ++
 gtk2_ardour/trigger_page.cc  | 14 ++++++++++++++
 gtk2_ardour/trigger_page.h   |  2 ++
 3 files changed, 18 insertions(+)

diff --git a/gtk2_ardour/trigger.bindings b/gtk2_ardour/trigger.bindings
index e9163aa916..8829964ea9 100644
--- a/gtk2_ardour/trigger.bindings
+++ b/gtk2_ardour/trigger.bindings
@@ -8,5 +8,7 @@
      <Binding key="F6" action="Cues/trigger-cue-5"/>
      <Binding key="F7" action="Cues/trigger-cue-6"/>
      <Binding key="F8" action="Cues/trigger-cue-7"/>
+     <Binding key="Delete" action="Cues/clear-trigger-slot"/>
+     <Binding key="BackSpace" action="Cues/clear-trigger-slot"/>
   </Press>
 </Bindings>
diff --git a/gtk2_ardour/trigger_page.cc b/gtk2_ardour/trigger_page.cc
index 677980bc74..dee13cd6d2 100644
--- a/gtk2_ardour/trigger_page.cc
+++ b/gtk2_ardour/trigger_page.cc
@@ -364,6 +364,18 @@ TriggerPage::initial_track_display ()
 	add_routes (rl);
 }
 
+void
+TriggerPage::clear_selected_slot ()
+{
+	Selection& selection (Editor::instance ().get_selection ());
+	TriggerSelection ts = selection.triggers;
+	if (ts.empty ()) {
+		return;
+	}
+	TriggerPtr trigger = ts.front ()->trigger ();
+	trigger->set_region (boost::shared_ptr<Region>());
+}
+
 void
 TriggerPage::selection_changed ()
 {
@@ -758,6 +770,8 @@ TriggerPage::register_actions ()
 {
 	Glib::RefPtr<ActionGroup> trigger_actions = ActionManager::create_action_group (bindings, X_("Cues"));
 
+	ActionManager::register_action (trigger_actions, "clear-trigger-slot", _("Clear Selected Slot"), sigc::mem_fun (*this, &TriggerPage::clear_selected_slot));
+
 	for (int32_t n = 0; n < TriggerBox::default_triggers_per_box; ++n) {
 		const std::string action_name  = string_compose ("trigger-cue-%1", n);
 		const std::string display_name = string_compose (_("Trigger Cue %1"), cue_marker_name (n));
diff --git a/gtk2_ardour/trigger_page.h b/gtk2_ardour/trigger_page.h
index eedc9439f9..bac521e209 100644
--- a/gtk2_ardour/trigger_page.h
+++ b/gtk2_ardour/trigger_page.h
@@ -74,6 +74,8 @@ private:
 	void add_routes (ARDOUR::RouteList&);
 	void remove_route (TriggerStrip*);
 
+	void clear_selected_slot ();
+
 	void redisplay_track_list ();
 	void pi_property_changed (PBD::PropertyChange const&);
 	void stripable_property_changed (PBD::PropertyChange const&, boost::weak_ptr<ARDOUR::Stripable>);