From 241ee5cfb2d8d81ea9f31648f4c1f05c6a5006ff Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Wed, 12 Oct 2022 15:05:06 +0200
Subject: [WIP] Add exit handler to home button

---
 src/main.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/main.c b/src/main.c
index 7ae8ef8..a0a56f9 100644
--- a/src/main.c
+++ b/src/main.c
@@ -60,6 +60,7 @@ typedef struct Mouse {
 typedef struct Input {
     int kbd_fd;
     int mouse_fd;
+    int home_fd;
     char map[KEY_MAX / 8 + 1];
     u8 controller;
     Mouse mouse;
@@ -84,6 +85,12 @@ init_input(void) {
         fprintf(stderr, "error: couldn't open keyboard %s: %s.\n", KBD_PATH, strerror(errno));
     }
 
+    // NOTE: nook home and power buttons event handler.
+    in.home_fd = open("/dev/input/event1", O_RDONLY | O_NONBLOCK);
+    if (in.home_fd == -1) {
+        fprintf(stderr, "error: couldn't open home buttons %s: %s.\n", "/dev/input/event1", strerror(errno));
+    }
+
     // in.mouse_fd = open(MOUSE_PATH, O_RDONLY | O_NONBLOCK);
     in.mouse_fd = open("/dev/input/event2", O_RDONLY | O_NONBLOCK);
     if (in.mouse_fd == -1) {
@@ -161,10 +168,25 @@ poll_mouse(void) {
     }
 }
 
+void
+poll_home(void) {
+    if (in.home_fd == -1) {
+        return;
+    }
+
+    struct input_event event;
+    if (read(in.home_fd, &event, sizeof(event)) != -1) {
+        if (event.code == 102 && event.value == 1) {
+            exit(EXIT_SUCCESS);
+        }
+    }
+}
+
 void
 poll_input(void) {
     poll_keyboard();
     poll_mouse();
+    poll_home();
 }
 
 void
-- 
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