From 56cfac068f9576789f2c48f2edc93e25878efcb4 Mon Sep 17 00:00:00 2001
From: xdavidwu <xdavidwuph@gmail.com>
Date: Wed, 8 Jun 2022 22:16:27 +0800
Subject: [PATCH] pointerd: support button events

---
 cmd/pointerd/main.ha   | 19 +++++++++++++++++++
 proto/control/types.ha |  8 ++++++++
 2 files changed, 27 insertions(+)

diff --git a/cmd/pointerd/main.ha b/cmd/pointerd/main.ha
index 378d6f4..b896517 100644
--- a/cmd/pointerd/main.ha
+++ b/cmd/pointerd/main.ha
@@ -17,6 +17,17 @@ fn sigint(sig: int, info: *signal::siginfo, ucontext: *void) void = {
 	exit = true;
 };
 
+fn protocol_key_to_event_code(key: u8) u16 = {
+	switch (key) {
+	case control::key::BTN_LEFT =>
+		return evdev::BTN_LEFT;
+	case control::key::BTN_RIGHT =>
+		return evdev::BTN_RIGHT;
+	case =>
+		fmt::fatalf("Invalid key code {}", key);
+	};
+};
+
 export fn main() void = {
 	const evdev = evdev::new();
 	defer evdev::destroy(evdev);
@@ -67,6 +78,14 @@ export fn main() void = {
 			uinput::write_event(uinput, evdev::EV_REL, evdev::REL_X, buf.x)!;
 			uinput::write_event(uinput, evdev::EV_REL, evdev::REL_Y, buf.y)!;
 			uinput::write_event(uinput, evdev::EV_SYN, evdev::SYN_REPORT, 0)!;
+		case control::code::KEY_PRESSED =>
+			const code = protocol_key_to_event_code(buf.key);
+			uinput::write_event(uinput, evdev::EV_KEY, code, 1)!;
+			uinput::write_event(uinput, evdev::EV_SYN, evdev::SYN_REPORT, 0)!;
+		case control::code::KEY_RELEASED =>
+			const code = protocol_key_to_event_code(buf.key);
+			uinput::write_event(uinput, evdev::EV_KEY, code, 0)!;
+			uinput::write_event(uinput, evdev::EV_SYN, evdev::SYN_REPORT, 0)!;
 		case =>
 			fmt::errorfln("Unrecognized control code: {}", buf.code)!;
 		};
diff --git a/proto/control/types.ha b/proto/control/types.ha
index f5b0354..e58f5ff 100644
--- a/proto/control/types.ha
+++ b/proto/control/types.ha
@@ -2,6 +2,13 @@ export def DEFAULT_PORT: u16	= 0x519;
 
 export type code = enum u8 {
 	RELATIVE_MOVEMENT	= 0,
+	KEY_PRESSED	= 1,
+	KEY_RELEASED	= 2,
+};
+
+export type key = enum u8 {
+	BTN_LEFT	= 0,
+	BTN_RIGHT	= 1,
 };
 
 export type request = union {
@@ -12,6 +19,7 @@ export type request = union {
 				x: i8,
 				y: i8,
 			},
+			key: u8,
 		},
 	},
 	bytes: [3]u8,
-- 
2.45.2