QtDesigner being overzealous with HTML tags when formatting as richtext?

StackOverflow https://stackoverflow.com/questions/21092057

  •  27-09-2022
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Question

In plain code, a QLabel can be made bold by something as simple as:

myLabel = QtGui.QLabel("<strong>My bold label!</strong>")

However, QtDesigner insists on using:

myLabel = QLabel('<html><head/><body><p><span style=" font-weight:600;">My bold label!</span></p></body></html>')

Is this actually necessary, or is it another case of a WYSIWYG editor being massively overzealous?

Était-ce utile?

La solution

The extra markup will only be added if you use the Rich Text tab of the editing dialog. Your own markup will be preserved verbatim if you:

  • directly edit the label (i.e. via double-click or pressing F2)
  • add it to the line-edit of the text property
  • use the Source tab of the editing dialog

EDIT:

To answer the question of whether the full markup is strictly necessary: no, not really. According to the Qt docs on the Supported HTML Subset, it is compliant with the HTML 4 spec. So, as with any reasonably competent html-rendering engine, it should have no difficulty dealing with an html document containing only the fragment <strong>My bold label!</strong>.

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