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Question by inomushis · Jan 28, 2021 at 04:28 PM · canvaspositioningmultiple-monitors

How to get screen relative position in multi-display environment?

Hello guys! This is mi first question on this site - I'm working with Unity since 2018, but my last problem make me feel so helpless.

I'm working on multi-display application, where each display is separated canvas and camera attached to each target display.

There is six displays workstation: alt text

Application is working in fullscreen mode on three displays, in three separated windows, ie 2, 0 and 4 - Display[i].Activate() etc...

On some event I need to move mouse cursor position to confirmation button, which can be on any of canvas - all settings comming from XML config file.

For example: User cause event by mouse on screen 2, then comfirmation box in on screen 0 - I need to move cursos from current position to YES button.

alt text

And - what is the clue to get position of canvas element (image renderer) relative to multi-display grid?

Of course, They can be negative if confirmation box is on left to primary screen.

I tried to use GetMonitorInfo() from user32.dll, but it returns all displays in different order - for example display no. 5 in Unity and Windows Setting is on 3rd position in array :/


Greetings!

Bartek.

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