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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
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 3 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, see <http://www.gnu.org/licenses/>.
***/
#ifndef NODEVIEWCOMMON_H
#define NODEVIEWCOMMON_H
#include <QtGlobal>
#include "common/define.h"
OLIVE_NAMESPACE_ENTER
class NodeViewCommon {
public:
enum FlowDirection {
kTopToBottom,
kBottomToTop,
kLeftToRight,
kRightToLeft
};
static Qt::Orientation GetFlowOrientation(FlowDirection dir) {
if (dir == kTopToBottom || dir == kBottomToTop) {
return Qt::Vertical;
} else {
return Qt::Horizontal;
}
}
static bool DirectionsAreOpposing(FlowDirection a, FlowDirection b) {
return ((a == NodeViewCommon::kLeftToRight && b == NodeViewCommon::kRightToLeft)
|| (a == NodeViewCommon::kRightToLeft && b == NodeViewCommon::kLeftToRight)
|| (a == NodeViewCommon::kTopToBottom && b == NodeViewCommon::kBottomToTop)
|| (a == NodeViewCommon::kBottomToTop && b == NodeViewCommon::kTopToBottom));
}
};
OLIVE_NAMESPACE_EXIT
#endif // NODEVIEWCOMMON_H
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