From 88c8e0354adcb28e53c948479a6abc7c0a6915ba Mon Sep 17 00:00:00 2001
From: crusader <crusader@atgame.net>
Date: Wed, 25 Nov 2020 13:51:11 +0900
Subject: [PATCH] ing

---
 src/mouse/windows/mod.rs | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/mouse/windows/mod.rs b/src/mouse/windows/mod.rs
index 3344fe1..e009926 100644
--- a/src/mouse/windows/mod.rs
+++ b/src/mouse/windows/mod.rs
@@ -2,20 +2,25 @@ use std::mem::{size_of, transmute};
 use winapi::ctypes::c_int;
 use winapi::shared::minwindef::DWORD;
 use winapi::um::winuser::{
-  GetAsyncKeyState, SendInput, INPUT, INPUT_MOUSE, LPINPUT, MOUSEEVENTF_ABSOLUTE,
+  GetAsyncKeyState, GetSystemMetrics, SendInput, INPUT, INPUT_MOUSE, LPINPUT, MOUSEEVENTF_ABSOLUTE,
   MOUSEEVENTF_LEFTDOWN, MOUSEEVENTF_LEFTUP, MOUSEEVENTF_MIDDLEDOWN, MOUSEEVENTF_MIDDLEUP,
   MOUSEEVENTF_MOVE, MOUSEEVENTF_RIGHTDOWN, MOUSEEVENTF_RIGHTUP, MOUSEEVENTF_VIRTUALDESK,
-  MOUSEINPUT, VK_LBUTTON, VK_MBUTTON, VK_RBUTTON, VK_XBUTTON1, VK_XBUTTON2,
+  MOUSEINPUT, SM_CXVIRTUALSCREEN, SM_CYVIRTUALSCREEN, SM_XVIRTUALSCREEN, SM_YVIRTUALSCREEN,
+  VK_LBUTTON, VK_MBUTTON, VK_RBUTTON, VK_XBUTTON1, VK_XBUTTON2,
 };
 
 use crate::mouse::{Button, ButtonState, Mouse};
 
 impl Mouse {
   pub fn move_to(absolute: bool, dx: i32, dy: i32) {
+    let width = unsafe { GetSystemMetrics(SM_CXVIRTUALSCREEN) };
+    let height = unsafe { GetSystemMetrics(SM_CYVIRTUALSCREEN) };
+    if width == 0 || height == 0 {
+      return;
+    }
     let pressed_left = Self::pressed(Button::Left);
     let pressed_right = Self::pressed(Button::Right);
     let pressed_middle = Self::pressed(Button::Middle);
-
     let mut dw_flags = MOUSEEVENTF_MOVE | MOUSEEVENTF_VIRTUALDESK;
 
     if absolute {
@@ -35,8 +40,12 @@ impl Mouse {
       type_: INPUT_MOUSE,
       u: unsafe {
         transmute(MOUSEINPUT {
-          dx,
-          dy,
+          dx: (dx - { GetSystemMetrics(SM_XVIRTUALSCREEN) }) * 65535 / {
+            GetSystemMetrics(SM_CXVIRTUALSCREEN)
+          },
+          dy: (dy - { GetSystemMetrics(SM_YVIRTUALSCREEN) }) * 65535 / {
+            GetSystemMetrics(SM_CYVIRTUALSCREEN)
+          },
           mouseData: 0,
           dwFlags: dw_flags,
           time: 0,