Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-48766

Wrong touch event coordinates in QtWebEngine when using pixelDeviceRatio

    XMLWordPrintable

Details

    • Bug
    • Resolution: Done
    • P1: Critical
    • 5.6.0 RC
    • 5.5.0
    • WebEngine
    • None
    • WebOS-Ports project LuneOS, on LG Nexus 4 ("mako") smartphone
      Stack is a classic Qt/Wayland/Linux stack with the use of a QPA for this specific device.
    • 09a341f4a62a0fe244dc188a75d77d0067ad1fe7

    Description

      When using devicePixelRatio, only a part of the webpage was responding to touch events on device. Therefore I suspected an issue in the conversion of touch event coordinates, and found out that touch events don't seem to be mapped to web coordinates using dpiScale.

      Attachments

        1. qt-touch-crash.tgz
          2 kB
          Michael Bruning
        No reviews matched the request. Check your Options in the drop-down menu of this sections header.

        Activity

          People

            alexandru.croitor Alexandru Croitor
            tofe Christophe Chapuis
            Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved:

              Gerrit Reviews

                There are no open Gerrit changes