D16779: kate-ctags plugin: support KDevelop (WIP)

[René J.V. Bertin]

rjvbb created this revision.
rjvbb added a reviewer: Kate.
rjvbb added projects: Kate, KTextEditor, KDevelop.
Herald added a subscriber: kwrite-devel.
rjvbb requested review of this revision.

REVISION SUMMARY
  This is a work-in-progress set of changes intending to make the CTags plugin available in/from KDevelop.
  
  KDevelop does not currently have support for KTextEditor configuration dialogs so I've had to move the `common_db` database to a generic location (cf. the snippets plugin which does the same). I'm open to migration suggestions (common_db can take quite a while to (re)generate).

TEST PLAN
  Currently this allows jumping to a symbol's declaration or definition in a (new) document; even the cursor is positioned correctly in my tests. Evidently this requires a companion change in KDevelop because it does not yet implement KTextEditorIntegration::showToolView() and openURL. For completeness sake:
  
    KTextEditor::View *MainWindow::openUrl(const QUrl &url, const QString &encoding)
    {
        Q_UNUSED(encoding);
    
        auto documentController = Core::self()->documentControllerInternal();
        auto doc = url.isEmpty() ? documentController->openDocumentFromText(QString()) : documentController->openDocument(url);
        return doc ? doc->activeTextView() : nullptr;
    }
    
    bool MainWindow::showToolView(QWidget *widget)
    {
        const auto view = ToolViewFactory::fromWidget(widget);
        if (view) {
            Core::self()->uiController()->raiseToolView(widget);
            qWarning() << Q_FUNC_INFO << view << view->m_text;
            return true;
        }
        qWarning() << Q_FUNC_INFO << "no ToolViewFactory for" << widget;
        return false;
    }
  
  That showToolView() method doesn't work though, and opening the toolview manually yields a garbled plugin UI, as if it doesn't get the correct size information.

REPOSITORY
  R40 Kate

REVISION DETAIL
  https://phabricator.kde.org/D16779

AFFECTED FILES
  addons/kate-ctags/kate_ctags_view.cpp
  addons/kate-ctags/katectagsplugin.desktop

To: rjvbb, #kate
Cc: kdevelop-devel, kwrite-devel, #kde_applications, glebaccon, antismap, michaelh, iodelay, vbspam, ngraham, demsking, geetamc, head7, Pilzschaf, akshaydeo, surgenight, arrowd, cullmann, kfunk, sars, dhaumann
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