GUIViewUpdater.cpp

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// Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
// Copyright (C) 2001-2024 German Aerospace Center (DLR) and others.
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0/
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License 2.0 are satisfied: GNU General Public License, version 2
// or later which is available at
// https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
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// class used for enable/disable updating view
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#include <config.h>
 
#include <utils/common/MsgHandler.h>
 
#include "GUIViewUpdater.h"
 
// ===========================================================================
// method definitions
// ===========================================================================
 
GUIViewUpdater::GUIViewUpdater() {}
 
 
bool
GUIViewUpdater::allowUpdate() {
#ifdef DISABLE_VIEWUPDATER
    return true;
#endif
 
#ifdef DEBUG_VIEWUPDATER
    if (myAllowUpdate == 0) {
        numAllowedUpdates++;
    } else {
        numDisallowedUpdates++;
    }
    std::cout << "AllowedUpdates: " << numAllowedUpdates << ", disallowedUpdates: " << numDisallowedUpdates << std::endl;
#endif
    return myAllowUpdate == 0;
}
 
 
void
GUIViewUpdater::enableUpdate() {
    myAllowUpdate--;
    if (myAllowUpdate < 0) {
        WRITE_ERROR("myAllowUpdate cannot be less than 0");
    }
}
 
 
void
GUIViewUpdater::disableUpdate() {
    myAllowUpdate++;
}
 
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