winapps-org/winapps

HiDPI / fractional scaling support per-monitor

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#825 建立於 2025年11月19日

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good first issue

描述

Discussed in https://github.com/winapps-org/winapps/discussions/824

Originally posted by mlltAero November 19, 2025 Currently, WinApps uses a global RDP_SCALE for all RemoteApp windows. On HiDPI laptops, this causes RemoteApps to render tiny because the scale does not automatically match the display’s effective scaling.

Problem:

RDP_SCALE is static and does not account for fractional scaling in GNOME or per-monitor DPI. Users with HiDPI laptop screens must manually adjust RDP_SCALE in winapps.conf.

Proposed feature:

Automatically detect the primary monitor and its scaling (e.g., GNOME fractional scaling or via xrandr resolution vs. native panel size) and convert to supported scaling factor (nearest neighbor). Adjust RDP_SCALE for RemoteApp windows on launch so they render correctly on HiDPI displays.

貢獻者指南

技術棧
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領域
desktopperformance
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
half day
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
fresh
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
Linux desktop scaling conceptsxrandr command usagewinapps configuration
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
40
研究方向
Investigate the current RDP SCALE handling in winapps configuration scripts (likely in src/ directory). Use xrandr and gsettings to detect monitor scaling factor on GNOME. Adapt the scaling calculation to set RDP SCALE per monitor or globally based on primary monitor. See the referenced discussion (https://github.com/winapps org/winapps/discussions/824) for additional context.