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  1. Qt
  2. QTBUG-92205

TextEdit show tab character error when tabStopDistance less than tab width

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Details

    • Bug
    • Resolution: Done
    • P5: Not important
    • 6.2.0 Alpha
    • 6.0.0
    • Widgets: Widgets and Dialogs
    • None
    • ubuntu 19.04

      Win10
    • Linux/X11, Windows
    • 78c4d0c48f58854127aa9248f597bf8568f440a1 (qt/qtbase/dev)

    Description

      description:

      When QPlainTextEdit sets the value of tabStopDistance to be less than the minimum width of a TAB character, QPlainTextEdit will display the incomplete tab character.

      This bug not only exists in QPlainTextEdit, but also exists in QTextEdit, and it can be reproduced in Windows.

      linux.mp4  and windows.mp4 show the same behaiver of this bug.

       

      reason:

      The character width of a tab is 12px. When the tabStopDistance value is less than 12px, the tab character is not drawn completely. So we should limit the minimum value of tabStopDistance not to be less than the width of the tab character.

      Attachments

        1. linux.mp4
          393 kB
        2. PlainTextEdit.zip
          7 kB
        3. windows.mp4
          550 kB
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            kingderzhang kingderzhang
            kingderzhang kingderzhang
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            Dates

              Created:
              Updated:
              Resolved:

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