diff --git a/src/mouse.c.v b/src/mouse.c.v
index 092d7b2..124f5e7 100644
--- a/src/mouse.c.v
+++ b/src/mouse.c.v
@@ -2,15 +2,6 @@ module auto
 
 import time
 
-#flag -I @VMODROOT/src/c
-#include "mouse.h"
-#flag linux -lX11
-#flag linux @VMODROOT/src/c/mouse_linux.o
-
-$if linux {
-	#include "mouse_linux.h"
-}
-
 // Button is the buttons on a mouse or touchpad.
 pub enum Button {
 	left
@@ -60,9 +51,19 @@ pub fn Mouse.get_pos() (int, int) {
 		}
 		return -1, -1
 	} $else {
-		pos := C.get_mouse_pos()
-		return pos.x, pos.y
+		if compositor == .x11 {
+			display := C.XOpenDisplay(0)
+			defer { _ := C.XCloseDisplay(display) }
+			window := C.XRootWindow(display, 0)
+			root_id, child_id := u32(0), u32(0)
+			win_x, win_y, mask := u32(0), u32(0), u32(0)
+			mut pos_x, mut pos_y := 0, 0
+			C.XQueryPointer(display, window, &root_id, &child_id, &pos_x, &pos_y, &win_x, &win_y, &mask)
+			return pos_x, pos_y
+		}
+		println(compositor)
 	}
+	return -1, -1
 }
 
 // Mouse.get_pos_opt returns the global X and Y coordinates of the mouse cursor.
@@ -86,7 +87,14 @@ pub fn Mouse.set_pos(x int, y int) {
 		C.mouse_event(C.MOUSEEVENTF_ABSOLUTE | C.MOUSEEVENTF_MOVE, target_x, target_y,
 			0, 0)
 	} $else {
-		C.set_mouse_pos(x, y)
+		if compositor == .x11 {
+			display := C.XOpenDisplay(0)
+			defer { _ := C.XCloseDisplay(display) }
+			window := C.XRootWindow(display, 0)
+			C.XSelectInput(display, window, C.KeyReleaseMask)
+			C.XWarpPointer(display, C.None, window, 0, 0, 0, 0, x, y)
+			C.XFlush(display)
+		}
 	}
 }
 
diff --git a/src/screen.c.v b/src/screen.c.v
index d7525b3..5616198 100644
--- a/src/screen.c.v
+++ b/src/screen.c.v
@@ -27,11 +27,16 @@ pub fn Screen.compositor() Compositor {
 	$if windows {
 		return .windows
 	}
-	_ := os.getenv_opt('WAYLAND_DISPLAY') or {
-		_ := os.getenv_opt('DISPLAY') or { return .unknown }
+	xdg_session_type := os.getenv_opt('XDG_SESSION_TYPE') or {
+		// assume X11
 		return .x11
 	}
-	return .wayland
+	return if xdg_session_type == 'wayland' {
+		.wayland
+	} else {
+		// assume X11
+		.x11
+	}
 }
 
 // Screen.size returns the size of the primary display.
diff --git a/src/types.c.v b/src/types.c.v
index f48b364..9489aae 100644
--- a/src/types.c.v
+++ b/src/types.c.v
@@ -1,7 +1,11 @@
 module auto
 
 $if linux {
+	#flag -lX11
 	#flag -lXrandr
+	#include <X11/X.h>
+	#include <X11/Xlib.h>
+	#include <X11/Xutil.h>
 	#include <X11/extensions/Xrandr.h>
 } $else $if windows {
 	#flag -mwindows
@@ -10,7 +14,7 @@ $if linux {
 	#flag -framework ApplicationServices
 	#include <ApplicationServices/ApplicationServices.h>
 } $else {
-	$compile_error('unsupported OS')
+	$compile_error('Unsupported OS')
 }
 
 // Size is the width and height of a screen.
@@ -47,6 +51,11 @@ struct C.XRRCrtcInfo {
 
 fn C.XOpenDisplay(int) voidptr
 fn C.XCloseDisplay(voidptr) int
+fn C.XQueryPointer(voidptr, voidptr, &u32, &u32, &int, &int, &u32, &u32, &u32)
+fn C.XRootWindow(voidptr, int) voidptr
+fn C.XSelectInput(voidptr, voidptr, int)
+fn C.XWarpPointer(voidptr, int, voidptr, int, int, int, int, int, int)
+fn C.XFlush(voidptr)
 fn C.DefaultScreen(voidptr) int
 fn C.DefaultRootWindow(voidptr) u64
 fn C.XRRGetScreenResources(voidptr, u64) &C.XRRScreenResources