add button time and explicit bank switching to MCP support

libs/surfaces/mackie/button.cc

@@ -19,6 +19,8 @@
 
 #include <glib.h>
 
+#include "ardour/ardour.h"
+
 #include "button.h"
 #include "surface.h"
 #include "control_group.h"
@@ -29,7 +31,7 @@ using namespace Mackie;
 Control*
 Button::factory (Surface& surface, Button::ID bid, int id, const std::string& name, Group& group)
 {
-	Button* b = new Button (bid, id, name, group);
+	Button* b = new Button (surface, bid, id, name, group);
 	/* store button with the device-specific ID */
 	surface.buttons[id] = b;
 	surface.controls.push_back (b);
@@ -37,6 +39,35 @@ Button::factory (Surface& surface, Button::ID bid, int id, const std::string& na
 	return b;
 }
 
+void
+Button::pressed ()
+{
+	press_time = ARDOUR::get_microseconds ();
+}
+
+void
+Button::released ()
+{
+	press_time = 0;
+}
+
+int32_t
+Button::long_press_count ()
+{
+	if (press_time == 0) {
+		return -1; /* button is not pressed */
+	}
+
+	const ARDOUR::microseconds_t delta = ARDOUR::get_microseconds () - press_time;
+
+	if (delta < 500000) {
+		return 0;
+	} else if (delta < 1000000) {
+		return 1;
+	}
+
+	return 2;
+}
 int
 Button::name_to_id (const std::string& name)
 {

libs/surfaces/mackie/button.h

@@ -20,6 +20,8 @@
 #ifndef __ardour_mackie_control_protocol_button_h__
 #define __ardour_mackie_control_protocol_button_h__
 
+#include "ardour/types.h"
+
 #include "controls.h"
 #include "led.h"
 
@@ -125,10 +127,12 @@ public:
 	};
 
 
-	Button (ID bid, int did, std::string name, Group & group)
+	Button (Surface& s, ID bid, int did, std::string name, Group & group)
 		: Control (did, name, group)
+		, _surface (s)
 		, _bid (bid)
-		, _led  (did, name + "_led", group) {}
+		, _led  (did, name + "_led", group)
+		, press_time (0) {}
 
 	MidiByteArray zero() { return _led.zero (); }
 	MidiByteArray set_state (LedState ls) { return _led.set_state (ls); }
@@ -139,9 +143,18 @@ public:
 	static int name_to_id (const std::string& name);
 	static std::string id_to_name (Button::ID);
 
+	Surface& surface() const { return _surface; }
+
+	void pressed ();
+	void released ();
+
+	int32_t long_press_count ();
+
 private:
+	Surface& _surface;
 	ID  _bid; /* device independent button ID */
 	Led _led;
+	ARDOUR::microseconds_t press_time;
 };
 
 } // Mackie namespace

libs/surfaces/mackie/mackie_control_protocol.h

@@ -486,6 +486,8 @@ class MackieControlProtocol
 	Mackie::LedState click_release (Mackie::Button&);
 	Mackie::LedState view_press (Mackie::Button&);
 	Mackie::LedState view_release (Mackie::Button&);
+
+	Mackie::LedState bank_release (Mackie::Button&, uint32_t bank_num);
 };
 
 } // namespace

libs/surfaces/mackie/mcp_buttons.cc

@@ -559,14 +559,28 @@ MackieControlProtocol::enter_release (Button &)
 }
 
 LedState
-MackieControlProtocol::F1_press (Button &)
+MackieControlProtocol::bank_release (Button& b, uint32_t basic_bank_num)
+{
+	uint32_t bank_num = basic_bank_num;
+
+	if (b.long_press_count() > 0) {
+		bank_num = 8 + basic_bank_num;
+	}
+
+	switch_banks (n_strips() * bank_num);
+
+	return on;
+}
+
+LedState
+MackieControlProtocol::F1_press (Button &b)
 {
 	return off;
 }
 LedState
-MackieControlProtocol::F1_release (Button &)
+MackieControlProtocol::F1_release (Button &b)
 {
-	return off;
+	return bank_release (b, 0);
 }
 LedState
 MackieControlProtocol::F2_press (Button &)
@@ -574,9 +588,9 @@ MackieControlProtocol::F2_press (Button &)
 	return off;
 }
 LedState
-MackieControlProtocol::F2_release (Button &)
+MackieControlProtocol::F2_release (Button &b)
 {
-	return off;
+	return bank_release (b, 1);
 }
 LedState
 MackieControlProtocol::F3_press (Button &)
@@ -584,9 +598,9 @@ MackieControlProtocol::F3_press (Button &)
 	return off;
 }
 LedState
-MackieControlProtocol::F3_release (Button &)
+MackieControlProtocol::F3_release (Button &b)
 {
-	return off;
+	return bank_release (b, 2);
 }
 LedState
 MackieControlProtocol::F4_press (Button &)
@@ -594,9 +608,9 @@ MackieControlProtocol::F4_press (Button &)
 	return off;
 }
 LedState
-MackieControlProtocol::F4_release (Button &)
+MackieControlProtocol::F4_release (Button &b)
 {
-	return off;
+	return bank_release (b, 3);
 }
 LedState
 MackieControlProtocol::F5_press (Button &)

libs/surfaces/mackie/surface.cc

@@ -532,6 +532,11 @@ Surface::handle_midi_note_on_message (MIDI::Parser &, MIDI::EventTwoBytes* ev)
 	Button* button = buttons[ev->note_number];
 
 	if (button) {
+
+		if (ev->velocity > 64) {
+			button->pressed ();
+		}
+
 		Strip* strip = dynamic_cast<Strip*> (&button->group());
 
 		if (strip) {
@@ -543,9 +548,16 @@ Surface::handle_midi_note_on_message (MIDI::Parser &, MIDI::EventTwoBytes* ev)
 			DEBUG_TRACE (DEBUG::MackieControl, string_compose ("global button %1\n", button->id()));
 			_mcp.handle_button_event (*this, *button, ev->velocity > 64 ? press : release);
 		}
+
+		if (ev->velocity <= 64) {
+			button->released ();
+		}
+
 	} else {
 		DEBUG_TRACE (DEBUG::MackieControl, string_compose ("no button found for %1\n", (int) ev->note_number));
 	}
+
+	/* button release should reset timer AFTER handler(s) have run */
 }
 
 void

libs/surfaces/mackie/surface.h

@@ -7,6 +7,8 @@
 #include "pbd/xml++.h"
 #include "midi++/types.h"
 
+#include "ardour/types.h"
+
 #include "control_protocol/types.h"
 
 #include "controls.h"
@@ -195,6 +197,12 @@ public:
 	};
 
 	int connection_state;
+
+	/* this times the duration between press+release events for all
+	   possible 127 buttons on THIS surface (not all surfaces).
+	*/
+
+	ARDOUR::microseconds_t button_timer[127];
 };
 
 }