From b3c2daf9e58c5fe174d9d402aca80215e9763806 Mon Sep 17 00:00:00 2001
From: Shane Smiskol <shane@smiskol.com>
Date: Wed, 17 Dec 2025 21:32:06 -0800
Subject: [PATCH] Revert "Widget: track mouse events (#36922)"

https://github.com/commaai/openpilot/pull/36920#issuecomment-3668453692

This reverts commit 792a9b715c1c577f0adaf41c6fcc925884b2dc79.
---
 system/ui/widgets/__init__.py | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/system/ui/widgets/__init__.py b/system/ui/widgets/__init__.py
index 376836348..8a46a3e43 100644
--- a/system/ui/widgets/__init__.py
+++ b/system/ui/widgets/__init__.py
@@ -26,7 +26,6 @@ class Widget(abc.ABC):
     self.__is_pressed = [False] * MAX_TOUCH_SLOTS
     # if current mouse/touch down started within the widget's rectangle
     self.__tracking_is_pressed = [False] * MAX_TOUCH_SLOTS
-    self.__mouse_events: list[MouseEvent | None] = [None] * MAX_TOUCH_SLOTS
     self._enabled: bool | Callable[[], bool] = True
     self._is_visible: bool | Callable[[], bool] = True
     self._touch_valid_callback: Callable[[], bool] | None = None
@@ -126,14 +125,12 @@ class Widget(abc.ABC):
       if mouse_event.left_pressed and touch_valid:
         if mouse_in_rect:
           self._handle_mouse_press(mouse_event.pos)
-          self.__mouse_events[mouse_event.slot] = mouse_event
           self.__is_pressed[mouse_event.slot] = True
           self.__tracking_is_pressed[mouse_event.slot] = True
           self._handle_mouse_event(mouse_event)
 
       # Callback such as scroll panel signifies user is scrolling
       elif not touch_valid:
-        self.__mouse_events[mouse_event.slot] = None
         self.__is_pressed[mouse_event.slot] = False
         self.__tracking_is_pressed[mouse_event.slot] = False
 
@@ -141,20 +138,17 @@ class Widget(abc.ABC):
         self._handle_mouse_event(mouse_event)
         if self.__is_pressed[mouse_event.slot] and mouse_in_rect:
           self._handle_mouse_release(mouse_event.pos)
-        self.__mouse_events[mouse_event.slot] = None
         self.__is_pressed[mouse_event.slot] = False
         self.__tracking_is_pressed[mouse_event.slot] = False
 
       # Mouse/touch is still within our rect
       elif mouse_in_rect:
         if self.__tracking_is_pressed[mouse_event.slot]:
-          self.__mouse_events[mouse_event.slot] = mouse_event
           self.__is_pressed[mouse_event.slot] = True
           self._handle_mouse_event(mouse_event)
 
       # Mouse/touch left our rect but may come back into focus later
       elif not mouse_in_rect:
-        self.__mouse_events[mouse_event.slot] = None
         self.__is_pressed[mouse_event.slot] = False
         self._handle_mouse_event(mouse_event)