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  1. Qt Creator
  2. QTCREATORBUG-26959

Regression in code-completion triggers

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    • Commits:
      8130d895c8 (qt-creator/qt-creator/8.0) 8130d895c8 (qt-creator/qt-creator/master) 8130d895c8 (qt-creator/tqtc-qt-creator/8.0)

      Description

      See attached animations that try to get code-completion for the signal signature in connect(ui->treeView->selectionModel(), &QItemSelectionModel::...

      These animations were taken with the Clang Code Model disabled. However, similar behaviour is observed when the Clang Code Model is enabled.

      Qt Creator 4.15.1 behaviour (Good)

      • After inputting "connect(ui->treeView->selectionModel(), " typing "&QItem" triggers code-completion. We can input "&QItemSelectionModel" easily.
      • Typing "::" triggers code-completion for the list of signals.

       

      Qt Creator 6.0.2 behaviour (Bad)

      • After inputting "connect(ui->treeView->selectionModel(), " typing "&QItem" does nothing. We must type every character of "&QItemSelectionModel" manually.
      • Typing "::" triggers code-completion for the list of signals.

       

      After the list of signals is shown, the "function overload combobox" for connect() disappears. We now erase the class name; as long as the "function overload combobox" remains hidden, we can now type "&QItem" to trigger code-completion for "&QItemSelectionModel".

      However, if we erase the ',' then everything is lost again. Typing ',' brings back the "function overload combobox" and typing "&QItem" no longer triggers code-completion.

      Partial Workaround

      After inputting "connect(ui->treeView->selectionModel(), " press [Esc] to dismiss the "function overload combobox". This allows "&QItem" to trigger code-completion again.

      Caveat: This workaround cannot be used if FakeVim is enabled because pressing [Esc] kicks the user out of edit mode.

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              Assignee:
              davschul David Schulz
              Reporter:
              skoh-qt Sze Howe Koh
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                Dates

                Created:
                Updated:
                Resolved:

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