From 027ffc557ce7509ac3a3efa1bbd60d99df2545df Mon Sep 17 00:00:00 2001
From: AllMelody <869168+AllMelody@users.noreply.github.com>
Date: Mon, 31 Aug 2026 21:59:25 -0400
Subject: [PATCH] Fix menu mouse position on high pixel density displays

SDL_GetMouseState returns points, M_PixelToMenuCanvasCoord expects pixels.
IN_GetMousePos scales between the two; the console already uses it.

No change when pixel density is 1.
---
 Quake/menu.c | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/Quake/menu.c b/Quake/menu.c
index 70e996570..739eb7f91 100644
--- a/Quake/menu.c
+++ b/Quake/menu.c
@@ -4938,20 +4938,15 @@ void M_NewGame (void)
 
 void M_UpdateMouse (void)
 {
-#ifdef USE_SDL3
-	float new_mouse_x;
-	float new_mouse_y;
-	SDL_GetMouseState (&new_mouse_x, &new_mouse_y);
-#else
-	int new_mouse_x_int;
-	int new_mouse_y_int;
-	SDL_GetMouseState (&new_mouse_x_int, &new_mouse_y_int);
-	float new_mouse_x = (float)new_mouse_x_int;
-	float new_mouse_y = (float)new_mouse_y_int;
-#endif
-	m_mouse_moved = !menu_changed && ((m_mouse_x_pixels != (int)new_mouse_x) || (m_mouse_y_pixels != (int)new_mouse_y));
-	m_mouse_x_pixels = (int)new_mouse_x;
-	m_mouse_y_pixels = (int)new_mouse_y;
+	// IN_GetMousePos scales window coordinates to drawable pixels, which is what
+	// M_PixelToMenuCanvasCoord expects; the two differ on high pixel density displays
+	int new_mouse_x;
+	int new_mouse_y;
+	IN_GetMousePos (&new_mouse_x, &new_mouse_y);
+
+	m_mouse_moved = !menu_changed && ((m_mouse_x_pixels != new_mouse_x) || (m_mouse_y_pixels != new_mouse_y));
+	m_mouse_x_pixels = new_mouse_x;
+	m_mouse_y_pixels = new_mouse_y;
 	menu_changed = false;
 
 	m_mouse_x = new_mouse_x;