[Bug]: Mouse cursor is not properly positioned, when virtual monitors have different system high DPI scaling in Linux Wayland guests

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
39/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
c, linux

调研方向

The report identifies Guest Additions/Guest Control and Linux Wayland guests, but names no source files or tests. Start by tracing guest mouse coordinate handling for virtual monitors with different scaling in the Guest Additions code; use the reproduction conditions and attached video to confirm the behavior. Done means the cursor is correctly positioned on both monitors under the stated scaling setup.

由索引模型根据 Issue 内容生成。

描述

bug
Version

7.2.22

Host OS Type

Windows

Host OS name + version

Windows 11

Host Architecture

x86

Guest OS Type

Linux

Guest Architecture

x86

Guest OS name + version

CachyOS, Ubuntu etc

Component

Guest Additions/Guest Control

What happened?

Mouse cursor is not properly positioned, when virtual monitors have different system high DPI scaling in Linux Wayland guests

How can we reproduce this?

Conditions on the video
Host: Windows 11
Guest: CachyOS/Ubuntu, KDE/Gnome, Wayland
Host scaling: 150%
Virtual box scaling: 100% for both virtual monitors
Virtual box guest scaling: 150% for Virtual Monitor 1 and 100% for Virtual Monitor 2.
https://github.com/user-attachments/assets/f7996ecc-2f05-4e8e-a82b-645d6dffc7f3

Image
Did you upload all of your necessary log files, screenshots, etc.?
  • Yes, I've uploaded all pertinent files to this issue.
主要语言
C
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30 天内没有已合并 PR

环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 阅读贡献指南

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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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