[dolphin] [Bug 429628] Dolphin Crashes on Start

[Martin Sandsmark]

https://bugs.kde.org/show_bug.cgi?id=429628

Martin Sandsmark <martin.sandsmark at kde.org> changed:

           What    |Removed                     |Added
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                 CC|                            |martin.sandsmark at kde.org

--- Comment #2 from Martin Sandsmark <martin.sandsmark at kde.org> ---
Looking at the code, it seems to be a nullptr dereference (at least here the
crashing call is `const QUrl& locationUrl =
m_urlNavigatorConnected->locationUrl();`, I assume introduced by this:

commit ad5d3367c7fef4c3c11188a768f21a2ee2b3c025
  Author: Felix Ernst <fe.a.ernst at gmail.com>
  Date:   Sun Jun 14 16:20:02 2020 +0200

      Add an option to use an UrlNavigator in the toolbar instead

      This commit adds a locationInToolbar KToggleAction to switch between
      using a location bar to navigate or using a new custom QWidgetAction
      in the toolbar.

      A big portion of this MR is refactoring because until now the
      UrlNavigator was tightly intertwined with the DolphinViewContainer.
      With this MR an UrlNavigator for controlling a View can be freely
      connected or disconnected with a single method call.

      A DolphinUrlNavigator class is created in the process which contains all
      Dolphin-specific UrlNavigator code which did previously reside in the
      DolphinViewContainer class. Other application parts that belong to
      UrlNavigator-management are also moved here.

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