[EventHandlerAttribute(EventType.MouseDown, -1)] // One of the highest priorities after node selection
private static void HandleContextClicks(NodeEditorInputInfo inputInfo)
{
if (Event.current.button == 1)
{
// Handle context clicks on Node and canvas
if (inputInfo.editorState.focusedNode != null) // Node Context Click
{
if (!NodeEditor.CheckNodeIsSelected(inputInfo.editorState.focusedNode))
{
inputInfo.editorState.selectedNodes.Clear();
inputInfo.editorState.selectedNodes.Add(inputInfo.editorState.focusedNode);
}
GenericMenu contextMenu = new GenericMenu();
FillContextMenu(inputInfo, contextMenu, ContextType.Node);
contextMenu.ShowAsContext();
Event.current.Use();
}
else // Editor Context Click
{
inputInfo.editorState.selectedNodes.Clear();
CreateNodesAdvancedDropdown.ShowDropdown(new Rect(inputInfo.inputPos, Vector2.zero));
Event.current.Use();
}
}
}
[EventHandlerAttribute(EventType.MouseDown, -2)] // Absolute second to call!
private static void HandleSelecting(NodeEditorInputInfo inputInfo)
{
ResetHotControlId();
NodeEditorState state = inputInfo.editorState;
if (inputInfo.inputEvent.button == 0 && state.focusedNode != null)
{
// Select focussed Node
if (!NodeEditor.CheckNodeIsSelected(state.focusedNode))
{
state.selectedNodes.Clear();
state.selectedNodes.Add(state.focusedNode);
}
}
if (state.selectedNodes.Count > 0 && state.focusedNode != null)
{
UnityEditor.Selection.activeObject = state.selectedNodes[0];
}
else if (state.focusedNode == null)
{
state.selectedNodes.Clear();
UnityEditor.Selection.activeObject = state.canvas;
}
}
[EventHandlerAttribute(EventType.MouseDown, -2)] // Absolute second to call!
private static void HandleSelecting(NodeEditorInputInfo inputInfo)
{
NodeEditorState state = inputInfo.editorState;
if (inputInfo.inputEvent.button == 0 && state.focusedNode != null)
{
// Select focussed Node
unfocusControlsForState = state;
if (!NodeEditor.CheckNodeIsSelected(state.focusedNode))
{
state.selectedNodes.Clear();
state.selectedNodes.Add(state.focusedNode);
}
NodeEditor.RepaintClients();
}
#if UNITY_EDITOR
if (state.selectedNodes.Count > 0 && state.focusedNode != null)
{
UnityEditor.Selection.activeObject = state.selectedNodes[0];
}
else if (state.focusedNode == null)
{
state.selectedNodes.Clear();
UnityEditor.Selection.activeObject = state.canvas;
}
#endif
}
/// <summary>
/// Draws the node frame and calls NodeGUI. Can be overridden to customize drawing.
/// </summary>
protected internal virtual void DrawNode()
{
// Create a rect that is adjusted to the editor zoom and pixel perfect
Rect nodeRect = rect;
Vector2 pos = NodeEditor.curEditorState.zoomPanAdjust + NodeEditor.curEditorState.panOffset;
nodeRect.position = new Vector2((int)(nodeRect.x + pos.x), (int)(nodeRect.y + pos.y));
GUIStyle targetNodeBoxStyle =
NodeEditor.CheckNodeIsSelected(this)
? NodeEditorGUI.nodeBox_HighLight
: NodeEditorGUI.nodeBox;
GUI.color = backgroundColor;
GUI.Box(nodeRect, GUIContent.none, targetNodeBoxStyle);
contentOffset = new Vector2(0, 20);
// Create a headerRect out of the previous rect and draw it, marking the selected node as such by making the header bold
Rect headerRect = new Rect(nodeRect.x, nodeRect.y, nodeRect.width, contentOffset.y);
GUI.color = Color.white;
GUI.Label(headerRect, Title, NodeEditorGUI.nodeLabelCentered);
RTEditorGUI.Seperator(new Rect(nodeRect.x, nodeRect.y + contentOffset.y - 1, nodeRect.width, 0));
// Begin the body frame around the NodeGUI
Rect bodyRect = new Rect(nodeRect.x, nodeRect.y + contentOffset.y, nodeRect.width,
nodeRect.height - contentOffset.y);
GUI.BeginGroup(bodyRect);
GUI.color = Color.white;
bodyRect.position = Vector2.zero;
GUILayout.BeginArea(bodyRect);
// Call NodeGUI
GUI.changed = false;
NodeGUI();
if (Event.current.type == EventType.Repaint)
{
nodeGUIHeight = GUILayoutUtility.GetLastRect().max + contentOffset;
}
// End NodeGUI frame
GUILayout.EndArea();
GUI.EndGroup();
// Automatically node if desired
AutoLayoutNode();
}
[EventHandlerAttribute(EventType.MouseDown, 110)] // Priority over hundred to make it call after the GUI
private static void HandleNodeDraggingStart(NodeEditorInputInfo inputInfo)
{
if (GUIUtility.hotControl > 0)
{
return; // GUI has control
}
NodeEditorState state = inputInfo.editorState;
if (inputInfo.inputEvent.button == 0 && state.focusedNode != null && NodeEditor.CheckNodeIsSelected(state.focusedNode) &&
state.focusedConnectionKnob == null)
{
// Clicked inside the selected Node, so start dragging it
state.dragNode = true;
state.StartDrag("node", inputInfo.inputPos, state.focusedNode.rect.position);
}
}
/// <summary>
/// Draws the node frame and calls NodeGUI. Can be overridden to customize drawing.
/// </summary>
protected internal virtual void DrawNode()
{
// Create a rect that is adjusted to the editor zoom and pixel perfect
Rect nodeRect = rect;
Vector2 pos = NodeEditor.curEditorState.zoomPanAdjust + NodeEditor.curEditorState.panOffset;
nodeRect.position = new Vector2((int)(nodeRect.x + pos.x), (int)(nodeRect.y + pos.y));
//如果选中绘制白色描边，否则绘制黑色描边
Rect outlineRect = new Rect(nodeRect.position.x - 6f, nodeRect.position.y - 6f, rect.size.x + 12, this.rect.size.y + 12);
GUI.color = NodeEditor.CheckNodeIsSelected(this)? Color.white : Color.black;
GUI.Box(outlineRect, "", NodeEditorGUI.nodeBox_HighLightOutLine);
GUI.color = backgroundColor;
GUI.Box(nodeRect, GUIContent.none, NodeEditorGUI.nodeBox);
contentOffset = new Vector2(0, 20);
// Create a headerRect out of the previous rect and draw it, marking the selected node as such by making the header bold
Rect headerRect = new Rect(nodeRect.x, nodeRect.y, nodeRect.width, contentOffset.y);
GUI.color = Color.white;
GUI.Label(headerRect, Title, NodeEditorGUI.nodeTittleCentered);
// Begin the body frame around the NodeGUI
Rect bodyRect = new Rect(nodeRect.x, nodeRect.y + contentOffset.y, nodeRect.width,
nodeRect.height - contentOffset.y);
GUILayout.BeginArea(bodyRect);
// Call NodeGUI
NodeGUI();
if (Event.current.type == EventType.Repaint && nodeGUIHeight != GUILayoutUtility.GetLastRect().max)
{
nodeGUIHeight = GUILayoutUtility.GetLastRect().max + contentOffset;
}
// End NodeGUI frame
GUILayout.EndArea();
// Automatically node if desired
AutoLayoutNode();
}