From 9208a8eb0ed1db94d7ded7545ed55c1bb3937d0f Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Wed, 22 Jun 2022 03:04:20 +0200
Subject: [PATCH] screencasting: Properly disable the cursor when it exits the
 viewport

Otherwise it would glitch
---
 src/plugins/screencast/screencaststream.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/plugins/screencast/screencaststream.cpp b/src/plugins/screencast/screencaststream.cpp
index 998690ad88..ae2270ef3c 100644
--- a/src/plugins/screencast/screencaststream.cpp
+++ b/src/plugins/screencast/screencaststream.cpp
@@ -639,10 +639,19 @@ QRect ScreenCastStream::cursorGeometry(Cursor *cursor) const
 
 void ScreenCastStream::sendCursorData(Cursor *cursor, spa_meta_cursor *spa_meta_cursor)
 {
-    if (!cursor || !spa_meta_cursor || !m_cursor.viewport.contains(cursor->pos())) {
+    if (!cursor || !spa_meta_cursor) {
         return;
     }
 
+    if (!m_cursor.viewport.contains(cursor->pos())) {
+        spa_meta_cursor->id = 0;
+        spa_meta_cursor->position.x = -1;
+        spa_meta_cursor->position.y = -1;
+        spa_meta_cursor->hotspot.x = -1;
+        spa_meta_cursor->hotspot.y = -1;
+        spa_meta_cursor->bitmap_offset = 0;
+        return;
+    }
     const auto position = (cursor->pos() - m_cursor.viewport.topLeft()) * m_cursor.scale;
 
     spa_meta_cursor->id = 1;