restored nodeview

2021-01-19 00:06:57 +11:00
parent 835b82205f
commit 8e7035bd40
10 changed files with 2307 additions and 14 deletions
@@ -0,0 +1,58 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2020 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"
+
+namespace olive {
+
+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));
+  }
+
+};
+
+}
+
+#endif // NODEVIEWCOMMON_H