first commit

utils/fgqcanvas/fgqcanvasmap.cpp

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+//
+// Copyright (C) 2017 James Turner  zakalawe@mac.com
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+#include "fgqcanvasmap.h"
+
+#include <QDebug>
+
+#include "localprop.h"
+#include "fgcanvaspaintcontext.h"
+
+FGQCanvasMap::FGQCanvasMap(FGCanvasGroup* pr, LocalProp* prop) :
+    FGCanvasGroup(pr, prop)
+{
+
+}
+
+void FGQCanvasMap::doPaint(FGCanvasPaintContext *context) const
+{
+
+    FGCanvasGroup::doPaint(context);
+}
+
+bool FGQCanvasMap::onChildAdded(LocalProp *prop)
+{
+    const QByteArray nm = prop->name();
+    if ((nm == "ref-lon") || (nm == "ref-lat") || (nm == "hdg") || (nm == "range")
+        || (nm == "screen-range")) {
+        connect(prop, &LocalProp::valueChanged, this, &FGQCanvasMap::markProjectionDirty);
+        return true;
+    }
+
+    if (FGCanvasGroup::onChildAdded(prop)) {
+        return true;
+    }
+
+    qDebug() << Q_FUNC_INFO << "deal with:" << prop->name();
+    return false;
+}
+
+void FGQCanvasMap::markProjectionDirty()
+{
+    _projectionChanged = true;
+}