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  1. Qt
  2. QTBUG-46068

Drag operation doesn't support Retina screen resolution

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P2: Important P2: Important
    • 5.6.1
    • 5.5.0 Beta
    • GUI: Drag and Drop
    • None
    • OS X 10.9.5

      Dragged elements are blurred on Retina screen.

      It affects default dragging (for example, from QListWidget), but also custom drag operations.

      QDrag with QPixmap of pixel ratio value 2.0 is shown 2x bigger than it needs to be.

      Attached a screenshot and a sample project.

      Found initially on Qt 5.4, but now checked with qt-opensource-mac-x64-clang-5.5.0-beta_2015-05-11_07-25-48-56.dmg

        1. after-147791.png
          39 kB
          Shawn Rutledge
        2. after-147791-and-147540.png
          40 kB
          Shawn Rutledge
        3. qtbug46068.zip
          1 kB
          Friedemann Kleint
        4. RETINA_DRAG_BLUR.png
          40 kB
          Sergey Pashkov
        5. RETINA_DRAG.zip
          2 kB
          Sergey Pashkov
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            alexandru.croitor Alexandru Croitor
            sergey_pashkov Sergey Pashkov
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              Created:
              Updated:
              Resolved: