Bug 7014 - mixed high and low DPI screens breaks in fullscreen on Windows
Summary: mixed high and low DPI screens breaks in fullscreen on Windows
Status: NEW
Alias: None
Product: ThinLinc
Classification: Unclassified
Component: VNC (show other bugs)
Target Milestone: MediumPrio
Assignee: Pierre Ossman
Depends on:
Blocks: 5273
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Reported: 2017-07-17 11:20 CEST by Pierre Ossman
Modified: 2023-04-17 16:25 CEST (History)
1 user (show)

See Also:
Acceptance Criteria:


Description Pierre Ossman cendio 2017-07-17 11:20:17 CEST
Currently ThinLinc is pretty much unusable in full screen mode when there is different DPI scaling going on for different screens. The monitors on server side are heavily out of sync with the client's actual monitors.

What seems to happen is that Windows reports the scaled dimensions for each and every monitor. However this results in two issues:

 a) The monitors do not line up as the scaled width of one monitor might not match the differently scaled offset of another monitor

 b) The client is just a single window, so it will be scaled according to just one of the monitors, meaning the dimensions of the other monitors are incorrect if they used a different scaling factor.
Comment 3 Samuel Mannehed cendio 2023-04-17 16:25:06 CEST
The issue is also visible in the new monitor arrangement selector in the client settings. See this issue upstream:


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