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Basic Visject box arrow key navigation

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This commit is contained in:
stefnotch
2021-02-17 22:36:11 +01:00
parent 7ad64d0284
commit 0b54691f07
2 changed files with 106 additions and 8 deletions
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19
Source/Editor/Surface/SurfaceNode.cs
View File

@@ -553,19 +553,22 @@ namespace FlaxEditor.Surface
internal Box GetNextBox(Box box)
{
int i = 0;
for (; i < Elements.Count; i++)
// Get the one after it
for (int i = box.IndexInParent + 1; i < Elements.Count; i++)
{
if (Elements[i] == box)
if (Elements[i] is Box b)
{
// We found the box
break;
return b;
}
}
// Get the one after it
i++;
for (; i < Elements.Count; i++)
return null;
}
internal Box GetPreviousBox(Box box)
{
// Get the one before it
for (int i = box.IndexInParent - 1; i >= 0; i--)
{
if (Elements[i] is Box b)
{

95
Source/Editor/Surface/VisjectSurface.Input.cs
View File

@@ -527,6 +527,101 @@ namespace FlaxEditor.Surface
}
return true;
}
if (key == KeyboardKeys.ArrowUp)
{
Box selectedBox = GetSelectedBox(SelectedNodes);
Box toSelect = selectedBox?.ParentNode.GetPreviousBox(selectedBox);
if (toSelect != null)
{
if (toSelect.Connections.Count > 1)
{
// Box has multiple connections
}
if (toSelect.IsOutput != selectedBox.IsOutput)
{
// Jump up (nodes)
}
else
{
Select(toSelect.ParentNode);
toSelect.ParentNode.SelectBox(toSelect);
}
}
return true;
}
if (key == KeyboardKeys.ArrowDown)
{
Box selectedBox = GetSelectedBox(SelectedNodes);
Box toSelect = selectedBox?.ParentNode.GetNextBox(selectedBox);
if (toSelect != null)
{
if (toSelect.Connections.Count > 1)
{
// Box has multiple connections
}
if (toSelect.IsOutput != selectedBox.IsOutput)
{
// Jump down (nodes)
}
else
{
Select(toSelect.ParentNode);
toSelect.ParentNode.SelectBox(toSelect);
}
}
return true;
}
if (key == KeyboardKeys.ArrowRight || key == KeyboardKeys.ArrowLeft)
{
Box selectedBox = GetSelectedBox(SelectedNodes);
if (selectedBox == null) return false;
Box toSelect = null;
if (key == KeyboardKeys.ArrowRight && selectedBox.IsOutput || key == KeyboardKeys.ArrowLeft && !selectedBox.IsOutput)
{
if (selectedBox.Connections.Count > 1)
{
// Box has multiple connections
}
else if (selectedBox.Connections.Count == 1)
{
toSelect = selectedBox.Connections[0];
}
}
else
{
// Use the node with the closest Y-level
// Since there are cases like 3 nodes on one side and only 1 node on the other side
var elements = selectedBox?.ParentNode.Elements;
float distance = float.PositiveInfinity;
for (int i = 0; i < elements.Count; i++)
{
if (elements[i] is Box box && box.IsOutput != selectedBox.IsOutput && Mathf.Abs(box.Y - selectedBox.Y) < distance)
{
toSelect = box;
distance = Mathf.Abs(box.Y - selectedBox.Y);
}
}
}
if (toSelect != null)
{
Select(toSelect.ParentNode);
toSelect.ParentNode.SelectBox(toSelect);
}
return true;
}
}
return false;