[Scummvm-tracker] [ScummVM :: Bugs] #13152: MYST3: Mouse movements are limited to rectangle in full screen mode when using SDL v2.0.18

[ScummVM :: Bugs]

#13152: MYST3: Mouse movements are limited to rectangle in full screen mode when
using SDL v2.0.18
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Reporter:  ctoroman  |       Owner:  (none)
    Type:  defect    |      Status:  new
Priority:  normal    |   Component:  Engine: Myst3
 Version:            |  Resolution:
Keywords:            |        Game:  Myst 3: Exile
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Comment (by kalkie):

 ctoroman, did you record that screencast with the latest daily build from
 the master branch? Did the behavior change in any way compared to earlier?
 If you run ScummVM with debug level 3 or greater, `--debuglevel=3`, and
 start the game, what resolution and scaling does it log? Lines looking
 something like this:
 `Setting 2560 x 1600 -> 1280 x 800 -- 2`

 The issue looks somewhat different to what was fixed in PR 3699. There the
 problem was caused by not taking HiDPI scaling factor into account when
 setting the mouse area. In practice, this prevented the mouse movement on
 the left/top edges of the game area. On the right/bottom side, the mouse
 could move correctly. There also had to be black bars around the game area
 for the issue to show up.
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Ticket URL: <https://bugs.scummvm.org/ticket/13152#comment:7>
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