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  1. Qt
  2. QTBUG-106476

Add support to configure more libinput seats

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    Description

      As a developer with more than one screen setup, we need to be able to configure different seats. Currently, we are only able to use "seat0" as its default id:

       

      if (Q_UNLIKELY(libinput_udev_assign_seat(m_li, "seat0"))) qFatal("Failed to assign seat");

      And it is not sufficient and could lead us into unintended behavior.

       

      We have a proposal to be able to configure this with an environement var, e.g. QT_LIBINPUT_SEAT, for different screen setup not to get messed up with the default seat.

       

      src/platformsupport/input/libinput/qlibinputhandler.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) 
diff --git a/src/platformsupport/input/libinput/qlibinputhandler.cpp b/src/platformsupport/input/libinput/qlibinputhandler.cpp 
index 4380140b..c370adb9 100644 
--- a/src/platformsupport/input/libinput/qlibinputhandler.cpp 
+++ b/src/platformsupport/input/libinput/qlibinputhandler.cpp 
@@ -102,7 +102,11 @@ QLibInputHandler::QLibInputHandler(const QString &key, const QString &spec)
if (qLcLibInput().isDebugEnabled()) libinput_log_set_priority(m_li, LIBINPUT_LOG_PRIORITY_DEBUG);
- if (Q_UNLIKELY(libinput_udev_assign_seat(m_li, "seat0"))) 
+ QByteArray seatID = qgetenv("QT_LIBINPUT_SEAT"); 
+ if (Q_LIKELY(seatID.isEmpty())) 
+ seatID = QByteArray("seat0"); 
+ 
+ if (Q_UNLIKELY(libinput_udev_assign_seat(m_li, seatID))) 
qFatal("Failed to assign seat"); 
m_liFd = libinput_get_fd(m_li);

       

       

       

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        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-98344 Support multiple keyboards on x11/xcb

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Reported

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-85272 Multi-seat, multi-device & multi-screen Input Handling

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open

          Task - A task that needs to be done. QTBUG-69433 Support multiple seats (several users with separate screens/mice/keyboards)

          • Not Evaluated - Not yet evaluated/prioritized
          • Reported

          Task - A task that needs to be done. QTBUG-74473 Redesign keymap handling

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported

          Task - A task that needs to be done. QTBUG-52430 support multiple pointing device cursors in Qt 6

          • P4: Low - Would be nice to fix, but it's not very important.
          • Reported

          Suggestion - Public suggestions QTBUG-68698 Support for touch rotation in libinput/eglfs

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              srutledg Shawn Rutledge
              bramsantoso Bramastyo Santoso
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              Dates

                Created:
                Updated:

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