From ccf1c4fb5772abbeccecc664e2f5e4b948f72087 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 27 Jul 2021 20:39:55 -0600
Subject: [PATCH] some incredibly hasic functionality for the triggerbox UI

---
 gtk2_ardour/triggerbox_ui.cc | 64 +++++++++++++++++++++++++++---------
 gtk2_ardour/triggerbox_ui.h  | 12 ++++++-
 2 files changed, 60 insertions(+), 16 deletions(-)

diff --git a/gtk2_ardour/triggerbox_ui.cc b/gtk2_ardour/triggerbox_ui.cc
index 9582d953d6..0eb9c97798 100644
--- a/gtk2_ardour/triggerbox_ui.cc
+++ b/gtk2_ardour/triggerbox_ui.cc
@@ -17,8 +17,13 @@
  */
 
 #include "pbd/i18n.h"
+#include "pbd/compose.h"
+
 #include "ardour/triggerbox.h"
 
+#include "canvas/polygon.h"
+#include "canvas/text.h"
+
 #include "gtkmm2ext/utils.h"
 
 #include "triggerbox_ui.h"
@@ -36,26 +41,32 @@ TriggerEntry::TriggerEntry (Item* parent, ARDOUR::Trigger& t)
 	set_outline_all ();
 	set_fill_color (Gtkmm2ext::random_color());
 	set_outline_color (Gtkmm2ext::random_color());
+	name = string_compose ("trigger %1", _trigger.index());
+
+	play_button = new Polygon (this);
+
+	Points p;
+	p.push_back (Duple (0, 0));
+	p.push_back (Duple (0, 10));
+	p.push_back (Duple (10, 5));
+
+	play_button->set (p);
+	play_button->set_fill_color (Gtkmm2ext::random_color());
+	play_button->set_outline (false);
+
+	play_button->set_position (Duple (10, 2));
+
+	name_text = new Text (this);
+	name_text->set_font_description (Pango::FontDescription ("Sans 10"));
+	name_text->set ("Bang Crash");
+	name_text->set_color (Gtkmm2ext::random_color());
+	name_text->set_position (Duple (50, name_text->height() / 2));
 }
 
 TriggerEntry::~TriggerEntry ()
 {
 }
 
-void
-TriggerEntry::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
-{
-	/* convert expose area back to item coordinate space */
-
-	Rect self (item_to_window (get()));
-
-	setup_outline_context (context);
-	rounded_rectangle (context, self.x0, self.y0, self.width(), self.height());
-	context->stroke_preserve ();
-	setup_fill_context (context);
-	context->fill ();
-}
-
 /* ---------------------------- */
 
 TriggerBoxUI::TriggerBoxUI (ArdourCanvas::Item* parent, TriggerBox& tb)
@@ -82,17 +93,40 @@ TriggerBoxUI::build ()
 
 	// clear_items (true);
 
+	_slots.clear ();
+
 	while (true) {
 		t = _triggerbox.trigger (n);
 		if (!t) {
 			break;
 		}
 		std::cerr << "NEW TE for trigger " << n << std::endl;
-		(void) new TriggerEntry (this, *t);
+		TriggerEntry* te = new TriggerEntry (this, *t);
+
+		_slots.push_back (te);
+
+		te->play_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &TriggerBoxUI::bang), n));
+
 		++n;
 	}
 }
 
+bool
+TriggerBoxUI::bang (GdkEvent *ev, size_t n)
+{
+	switch (ev->type) {
+	case GDK_BUTTON_PRESS:
+		if (ev->button.button == 1) {
+			_triggerbox.queue_trigger (&_slots[n]->trigger());
+			return true;
+		}
+		break;
+	default:
+		break;
+	}
+	return false;
+}
+
 /* ------------ */
 
 TriggerBoxWidget::TriggerBoxWidget (TriggerBox& tb)
diff --git a/gtk2_ardour/triggerbox_ui.h b/gtk2_ardour/triggerbox_ui.h
index ace3367c00..c3be0a49c9 100644
--- a/gtk2_ardour/triggerbox_ui.h
+++ b/gtk2_ardour/triggerbox_ui.h
@@ -32,6 +32,11 @@ namespace ARDOUR {
 	class TriggerBox;
 }
 
+namespace ArdourCanvas {
+	class Text;
+	class Polygon;
+};
+
 class TriggerEntry : public ArdourCanvas::Rectangle
 {
   public:
@@ -39,7 +44,9 @@ class TriggerEntry : public ArdourCanvas::Rectangle
 	~TriggerEntry ();
 
 	ARDOUR::Trigger& trigger() const { return _trigger; }
-	void render (ArdourCanvas::Rect const &, Cairo::RefPtr<Cairo::Context>) const;
+
+	ArdourCanvas::Polygon* play_button;
+	ArdourCanvas::Text*    name_text;
 
   private:
 	ARDOUR::Trigger& _trigger;
@@ -53,7 +60,10 @@ class TriggerBoxUI : public ArdourCanvas::Box
 
    private:
 	ARDOUR::TriggerBox& _triggerbox;
+	typedef std::vector<TriggerEntry*> Slots;
+	Slots _slots;
 
+	bool bang (GdkEvent*, size_t);
 	void build ();
 };