From d3d8f5effdececa43a553cde08bd62bea4d7ca08 Mon Sep 17 00:00:00 2001
From: Martin Gerhardy <martin.gerhardy@gmail.com>
Date: Tue, 4 Jan 2022 22:36:39 +0100
Subject: [PATCH] VIDEO: disable multi viewport again - this isn't working
 properly yet

https://github.com/libsdl-org/SDL/issues/5174
---
 src/modules/ui/imgui/IMGUIApp.cpp | 13 -------------
 src/modules/video/WindowedApp.cpp |  5 +++++
 2 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/src/modules/ui/imgui/IMGUIApp.cpp b/src/modules/ui/imgui/IMGUIApp.cpp
index 71bdafda9c..43b2bc9c74 100644
--- a/src/modules/ui/imgui/IMGUIApp.cpp
+++ b/src/modules/ui/imgui/IMGUIApp.cpp
@@ -758,19 +758,6 @@ void IMGUIApp::beforeUI() {
 			// when straying out of bounds.
 			int windowX = 0, windowY = 0;
 			SDL_GetWindowPosition(mouseWindow, &windowX, &windowY);
-			int index = SDL_GetWindowDisplayIndex(mouseWindow);
-			if (index >= 0) {
-				SDL_Rect rect;
-				if (SDL_GetDisplayBounds(index, &rect) == 0) {
-					SDL_Point point;
-					point.x = mouseXGlobal;
-					point.y = mouseYGlobal;
-					if (!SDL_PointInRect(&point, &rect)) {
-						windowX -= rect.x;
-						windowY -= rect.y;
-					}
-				}
-			}
 			io.MousePos = ImVec2((float)(mouseXGlobal - windowX), (float)(mouseYGlobal - windowY));
 		}
 	} else {
diff --git a/src/modules/video/WindowedApp.cpp b/src/modules/video/WindowedApp.cpp
index cdc689bdc0..092d61e956 100644
--- a/src/modules/video/WindowedApp.cpp
+++ b/src/modules/video/WindowedApp.cpp
@@ -375,6 +375,7 @@ app::AppState WindowedApp::onInit() {
 	if (isSingleWindowMode()) {
 		_mouseCanUseGlobalState = false;
 	} else {
+#if 0
 		// Check and store if we are on a SDL backend that supports global mouse position
 		// ("wayland" and "rpi" don't support it, but we chose to use a white-list instead of a black-list)
 		const char *sdlBackend = SDL_GetCurrentVideoDriver();
@@ -384,6 +385,10 @@ app::AppState WindowedApp::onInit() {
 				_mouseCanUseGlobalState = true;
 			}
 		}
+#else
+		// TODO: the window (0:0) the mouse is hovering is on SDL display 0 (0:0:2560:1440), but the global mouse position is at 3646:769
+		_mouseCanUseGlobalState = false;
+#endif
 	}
 
 	video_trace_init();