Devtools Improvements

- Now has tabs setup as more features are added
- First extra tab has basic server info
- Use mobileform to make it look nicer
- For the room data tab allow the room to be changed from within devtools
- For the room data tab allow m.room.member events to be filtered out so other event types can be found easily
- For the room data tab allow viewing room account data

network/neochat#557

src/models/statefiltermodel.cpp

@@ -0,0 +1,32 @@
+// SPDX-FileCopyrightText: 2022 James Graham <james.h.graham@protonmail.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+
+#include "statefiltermodel.h"
+
+#include "statemodel.h"
+
+bool StateFilterModel::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
+{
+    Q_UNUSED(sourceParent);
+    // No need to run the check if there are no items in m_stateEventTypesFiltered.
+    if (m_stateEventTypesFiltered.empty()) {
+        return true;
+    }
+    return !m_stateEventTypesFiltered.contains(sourceModel()->data(sourceModel()->index(sourceRow, 0), StateModel::TypeRole).toString());
+}
+
+void StateFilterModel::addStateEventTypeFiltered(const QString &stateEventType)
+{
+    if (!m_stateEventTypesFiltered.contains(stateEventType)) {
+        m_stateEventTypesFiltered.append(stateEventType);
+        invalidateFilter();
+    }
+}
+
+void StateFilterModel::removeStateEventTypeFiltered(const QString &stateEventType)
+{
+    if (m_stateEventTypesFiltered.contains(stateEventType)) {
+        m_stateEventTypesFiltered.removeAll(stateEventType);
+        invalidateFilter();
+    }
+}