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  1. Qt
  2. QTBUG-54160

Erroneous mouse button events for Wacom Intuos Pen & Touch tablet

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    Description

      Clicking the middle or right button of a Wacom pen generate many mixed middle and right press and release events.

      Attached minimalistic example produces following output for Qt 5.6 (expected behavior):

      Left click:
      press left
      release left

      Right click:
      press right
      release right

      Middle click:
      press mid
      release mid

      For Qt 5.7, the same application produces:

      Left click:
      press left
      release left

      Right click:
      press mid
      press right
      release right
      press right
      release right
      press right
      release right

      Middle click:
      press right
      release right
      press mid
      qt.qpa.cocoa.window: QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
      press right
      release right
      qt.qpa.cocoa.window: QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
      press right
      release right
      qt.qpa.cocoa.window: QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
      press right
      release right
      qt.qpa.cocoa.window: QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
      press right
      release right
      qt.qpa.cocoa.window: QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
      press right
      release right
      release mid

      Attachments

        1. Screen Shot 2016-12-21 at 10.22.49.png
          106 kB
          Drew
        2. QTBUG-54160.tar.gz
          1 kB
          Timur Pocheptsov
        3. QtWacomBug.pro
          0.1 kB
          Drew
        4. main.cpp
          0.2 kB
          Drew
        5. mainwindow.cpp
          0.9 kB
          Drew
        6. mainwindow.h
          0.4 kB
          Drew

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-54399 [Reg: 5.6 -> 5.7] Wrong position in mousePressEvent and mouseMoveEvent for Wacom pen tablets

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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            People

              sorvig Morten Sørvig
              drew Drew
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              Dates

                Created:
                Updated:
                Resolved:

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