From c59dddfdaea789ed3b30ffdabff3034eabe57240 Mon Sep 17 00:00:00 2001
From: Franke Burgarino <frankeburgarino@gmail.com>
Date: Fri, 8 Aug 2025 16:57:24 -0500
Subject: [PATCH] MCU: add scrolling in eq subview

---
 libs/surfaces/mackie/subview.cc | 28 +++++++++++++++++++++++++---
 libs/surfaces/mackie/subview.h  |  4 ++++
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/libs/surfaces/mackie/subview.cc b/libs/surfaces/mackie/subview.cc
index f5e0ffc271..a9eb36324d 100644
--- a/libs/surfaces/mackie/subview.cc
+++ b/libs/surfaces/mackie/subview.cc
@@ -278,6 +278,7 @@ void NoneSubview::setup_vpot(
 
 EQSubview::EQSubview(MackieControlProtocol& mcp, std::shared_ptr<ARDOUR::Stripable> subview_stripable)
 	: Subview(mcp, subview_stripable)
+	, _current_bank(0)
 {}
 
 EQSubview::~EQSubview()
@@ -308,8 +309,8 @@ void EQSubview::setup_vpot(
 		Pot* vpot,
 		std::string pending_display[2])
 {
-	const uint32_t global_strip_position = _mcp.global_index (*strip);
-	store_pointers(strip, vpot, pending_display, global_strip_position);
+	const uint32_t global_strip_position = _mcp.global_index (*strip) + _current_bank;
+	store_pointers(strip, vpot, pending_display, global_strip_position - _current_bank);
 
 	if (!_subview_stripable) {
 		return;
@@ -414,7 +415,7 @@ void EQSubview::notify_change (std::weak_ptr<ARDOUR::AutomationControl> pc, uint
 	Strip* strip = 0;
 	Pot* vpot = 0;
 	std::string* pending_display = 0;
-	if (!retrieve_pointers(&strip, &vpot, &pending_display, global_strip_position))
+	if (!retrieve_pointers(&strip, &vpot, &pending_display, global_strip_position - _current_bank))
 	{
 		return;
 	}
@@ -428,6 +429,27 @@ void EQSubview::notify_change (std::weak_ptr<ARDOUR::AutomationControl> pc, uint
 	}
 }
 
+bool EQSubview::handle_cursor_left_press()
+{
+	if (_current_bank >= 1)
+	{
+		_current_bank -= 1;
+		mcp().redisplay_subview_mode();
+	}
+
+	return true;
+}
+
+bool EQSubview::handle_cursor_right_press()
+{
+	if (/* todo: generate this value on redisplay */ 14 > _current_bank + 1) {
+		_current_bank += 1;
+		mcp().redisplay_subview_mode();
+	}
+
+	return true;
+}
+
 
 
 DynamicsSubview::DynamicsSubview(MackieControlProtocol& mcp, std::shared_ptr<ARDOUR::Stripable> subview_stripable)
diff --git a/libs/surfaces/mackie/subview.h b/libs/surfaces/mackie/subview.h
index 4b0a1987ee..25ea4511b8 100644
--- a/libs/surfaces/mackie/subview.h
+++ b/libs/surfaces/mackie/subview.h
@@ -127,6 +127,10 @@ class EQSubview : public Subview {
 		Pot* vpot,
 		std::string pending_display[2]);
 	void notify_change (std::weak_ptr<ARDOUR::AutomationControl>, uint32_t global_strip_position, bool force);
+	virtual bool handle_cursor_left_press();
+	virtual bool handle_cursor_right_press();
+  protected:
+	uint32_t _current_bank;
 };
 
 class DynamicsSubview : public Subview {