From d24aeec518240f4916b4c8e9f4f81a4aacd5b370 Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Tue, 23 Jan 2018 05:04:36 +0800
Subject: [PATCH] Implement mouse throttle.

---
 input.c    | 21 +++++++++++++++++----
 mist_cfg.c |  1 +
 mist_cfg.h |  1 +
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/input.c b/input.c
index 41010e2..c449acf 100644
--- a/input.c
+++ b/input.c
@@ -1131,6 +1131,8 @@ typedef struct
 
 	char     has_kbdmap;
 	uint8_t  kbdmap[256];
+
+	int      accx, accy;
 }  devInput;
 
 static devInput input[NUMDEV] = { 0 };
@@ -1575,15 +1577,26 @@ static void input_cb(struct input_event *ev, int dev)
 
 	case EV_REL:
 		{
+			int msval;
+			if (!mist_cfg.mouse_throttle) mist_cfg.mouse_throttle = 1;
+
 			switch (ev->code)
 			{
 			case 0:
-				//printf("Mouse PosX: %d\n", ev->value);
-				user_io_mouse(mouse_btn, ev->value, 0);
+				input[dev].accx += ev->value;
+				msval = input[dev].accx / mist_cfg.mouse_throttle;
+				input[dev].accx -= msval * mist_cfg.mouse_throttle;
+
+				//printf("Mouse PosX: %d\n", msval);
+				user_io_mouse(mouse_btn, msval, 0);
 				return;
 			case 1:
-				//printf("Mouse PosY: %d\n", ev->value);
-				user_io_mouse(mouse_btn, 0, ev->value);
+				input[dev].accy += ev->value;
+				msval = input[dev].accy / mist_cfg.mouse_throttle;
+				input[dev].accy -= msval * mist_cfg.mouse_throttle;
+
+				//printf("Mouse PosY: %d\n", msval);
+				user_io_mouse(mouse_btn, 0, msval);
 				return;
 			}
 		}
diff --git a/mist_cfg.c b/mist_cfg.c
index ad5933a..7b0b5be 100644
--- a/mist_cfg.c
+++ b/mist_cfg.c
@@ -34,6 +34,7 @@ const ini_var_t mist_ini_vars[] = {
 	{ "HDMI_AUDIO_96K", (void*)(&(mist_cfg.hdmi_audio_96k)), UINT8, 0, 1, 1 },
 	{ "DVI_MODE", (void*)(&(mist_cfg.dvi)), UINT8, 0, 1, 1 },
 	{ "KBD_NOMOUSE", (void*)(&(mist_cfg.kbd_nomouse)), UINT8, 0, 1, 1 },
+	{ "MOUSE_THROTTLE", (void*)(&(mist_cfg.mouse_throttle)), UINT8, 1, 100, 1 },
 };
 
 // mist ini config
diff --git a/mist_cfg.h b/mist_cfg.h
index 706ebbb..2db7aba 100644
--- a/mist_cfg.h
+++ b/mist_cfg.h
@@ -24,6 +24,7 @@ typedef struct {
 	uint8_t dvi;
 	uint8_t video_mode;
 	uint8_t kbd_nomouse;
+	uint8_t mouse_throttle;
 	char video_conf[1024];
 } mist_cfg_t;