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  1. Qt Creator
  2. QTCREATORBUG-23238

[REG 4.10 -> 4.11] First characters in editor invisible after moving to screens

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P4: Low P4: Low
    • Qt Creator 4.12.0-beta1
    • Qt Creator 4.10.0, Qt Creator 4.11.1
    • Editors
    • Windows 10 1903 64 bit
      Windows 10 1909 64 bit

      Qt 5.12.6
      Qt 5.14.0
      Qt 5.14.1
    • 4ebf6981db3d2d0b434716f55d5f1ff6ac062a07 (qt-creator/qt-creator/master)

      1. Run Creator on a machine with two screens.
        One is running UHD, the other just FullHD. See attached output of qtdiag.
      2. Make sure that "Enable high DPI scaling" is not checked in "Tools" -> "Options..." -> "Environment" -> "Interface".
        Changing this will require a restart.
      3. Open a .cpp file in Creator on the UHD screen.
      4. Make sure that Creator is showing the very top of the file.
        When the editor is scrolled down, the bug does not seem to appear.
      5. Move Creator's window to the FullHD screen.
      6. Move it back to the UHD screen.
        The first characters in each line of the editor will be invisible:

        Note that there is no horizontal scrollbar.

        1. editor.png
          120 kB
          Robert Löhning
        2. qtdiag.txt
          11 kB
          Robert Löhning
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            davschul David Schulz
            rlohning Robert Löhning
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              Created:
              Updated:
              Resolved:

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