From e8c03601995ecd8e72ac407e9b304b7380d7cca8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Vuchener?= <clement.vuchener@gmail.com>
Date: Thu, 20 Jul 2017 11:40:00 +0200
Subject: [PATCH] Add event parsers in IReprogControlsV4

---
 src/libhidpp/hidpp20/IReprogControlsV4.cpp | 21 +++++++++++++++++++++
 src/libhidpp/hidpp20/IReprogControlsV4.h   |  8 ++++++++
 2 files changed, 29 insertions(+)

diff --git a/src/libhidpp/hidpp20/IReprogControlsV4.cpp b/src/libhidpp/hidpp20/IReprogControlsV4.cpp
index d4367bb..816b28b 100644
--- a/src/libhidpp/hidpp20/IReprogControlsV4.cpp
+++ b/src/libhidpp/hidpp20/IReprogControlsV4.cpp
@@ -19,6 +19,7 @@
 #include "IReprogControlsV4.h"
 
 #include <misc/Endian.h>
+#include <cassert>
 
 using namespace HIDPP20;
 
@@ -70,3 +71,23 @@ void IReprogControlsV4::setControlReporting (uint16_t control_id, uint8_t flags,
 	call (SetControlReporting, params);
 }
 
+std::vector<uint16_t> IReprogControlsV4::divertedButtonEvent (const HIDPP::Report &event)
+{
+	assert (event.function () == DivertedButtonEvent);
+	std::vector<uint16_t> buttons;
+	auto params = event.parameterBegin ();
+	for (unsigned int i = 0; i < 4; ++i) {
+		uint16_t control_id = readBE<uint16_t> (params + 2*i);
+		if (control_id == 0)
+			break;
+		buttons.push_back (control_id);
+	}
+	return buttons;
+}
+
+IReprogControlsV4::Move IReprogControlsV4::divertedRawXYEvent (const HIDPP::Report &event)
+{
+	assert (event.function () == DivertedRawXYEvent);
+	auto params = event.parameterBegin ();
+	return Move { readBE<int16_t> (params+0), readBE<int16_t> (params+2) };
+}
diff --git a/src/libhidpp/hidpp20/IReprogControlsV4.h b/src/libhidpp/hidpp20/IReprogControlsV4.h
index 2ccae47..a5054f5 100644
--- a/src/libhidpp/hidpp20/IReprogControlsV4.h
+++ b/src/libhidpp/hidpp20/IReprogControlsV4.h
@@ -116,6 +116,14 @@ class IReprogControlsV4: public FeatureInterface
 	 * \see ControlReportingFlags.
 	 */
 	void setControlReporting (uint16_t control_id, uint8_t flags, uint16_t remap);
+
+	static std::vector<uint16_t> divertedButtonEvent (const HIDPP::Report &event);
+
+	struct Move
+	{
+		int16_t x, y;
+	};
+	static Move divertedRawXYEvent (const HIDPP::Report &event);
 };
 
 }