[Scummvm-tracker] [ScummVM :: Bugs] #13013: [Backends] [SDL] Cursor is sticky around the edges on WAYLAND
ScummVM :: Bugs
trac at scummvm.org
Sun Oct 17 10:26:35 UTC 2021
#13013: [Backends] [SDL] Cursor is sticky around the edges on WAYLAND
-------------------------+-------------------------------------------------
Reporter: vanfanel | Owner: (none)
Type: defect | Status: new
Priority: normal | Component: Port: Linux
Version: | Keywords: Mouse, Sticky, Linux, Wayland,
Game: | SDL2, Backend
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Hi there,
I have recently been using Scummvm (latest GIT code build) on WAYLAND, the
new graphics server currently becoming the default on many GNU/Linux
distros by now.
The problem is that the mouse cursor in fullscreen mode, when a game
doesn't fill the entire screen area, is sticky around the edges.
That happens because the internal cursor position goes beyond the game
area, which shouldn't happen.
Scummvm uses SDL_WarpMouseInWindow() to avoid this, which seems to be non-
working on WAYLAND, hence the problem happens.
I have opened a thread on SDL2 development repository to discuss this
issue, and SDL2 WAYLAND backend devs apparently think that
SDL_WarpMouseInWindow() shouldn't be used:
https://github.com/libsdl-org/SDL/issues/4822
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Ticket URL: <https://bugs.scummvm.org/ticket/13013>
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