69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef NODEVIEWCOMMON_H
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#define NODEVIEWCOMMON_H
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#include <QtGlobal>
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#include "common/define.h"
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namespace olive {
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class NodeViewCommon {
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public:
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enum FlowDirection {
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kTopToBottom,
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kBottomToTop,
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kLeftToRight,
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kRightToLeft
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};
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static Qt::Orientation GetFlowOrientation(FlowDirection dir) {
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if (dir == kTopToBottom || dir == kBottomToTop) {
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return Qt::Vertical;
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} else {
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return Qt::Horizontal;
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}
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}
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static bool IsFlowVertical(FlowDirection dir)
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{
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return dir == kTopToBottom || dir == kBottomToTop;
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}
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static bool IsFlowHorizontal(FlowDirection dir)
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{
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return dir == kLeftToRight || dir == kRightToLeft;
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}
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static bool DirectionsAreOpposing(FlowDirection a, FlowDirection b) {
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return ((a == NodeViewCommon::kLeftToRight && b == NodeViewCommon::kRightToLeft)
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|| (a == NodeViewCommon::kRightToLeft && b == NodeViewCommon::kLeftToRight)
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|| (a == NodeViewCommon::kTopToBottom && b == NodeViewCommon::kBottomToTop)
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|| (a == NodeViewCommon::kBottomToTop && b == NodeViewCommon::kTopToBottom));
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}
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};
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}
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#endif // NODEVIEWCOMMON_H
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