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  1. Qt
  2. QTBUG-45055

Widget Styles: Per-Monitor DPI Aware inconsistency

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      On windows, Qt is by default, "Per-Monitor DPI Aware", as described there:
      https://doc-snapshots.qt.io/qt5-5.4/highdpi.html

      But QStyleHelper::dpiScaled(qreal value) which is used in many places of Qt, relies on the primary screen's DPI, not on the effective device DPI (as qt_effective_device_pixel_ratio does, (see qtbase\src\gui\image\qicon.cpp:118).

      This means, for example, in a setup with one UltraHD screen and one standard screen, sizes are not proper on the non-primary screen.

        1. 0001-WIP-Widget-style-Use-per-screen-DPI-in-QStyleHelper-.patch
          23 kB
        2. qtbug45055.zip
          4 kB
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            jirauser26727 user-04d21 (Inactive)
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