winapps-org/winapps

HiDPI / fractional scaling support per-monitor

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#825 opened on Nov 19, 2025

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good first issue

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Description

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.

Contributor guide

Research direction
Investigate how to retrieve the effective scaling factor for the primary monitor using xrandr or GNOME's gsettings, and modify the winapps launch script to dynamically set RDP SCALE based on the detected scaling.
Tech stack
shell
Domain
desktop
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
LinuxxrandrShell scripting
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65