public void Dispose()
{
if (GUIUtility.guiIsExiting)
{
return; //Something has already requested an ExitGUI
}
// Check and try to cleanup layout groups.
if (GUILayoutUtility.current.topLevel != expectedGroup)
{
if (!GUILayoutUtility.current.layoutGroups.Contains(expectedGroup))
{
// We can't recover from this, so we error.
Debug.LogError("Expected top level layout group missing! Too many GUILayout.EndScrollView/EndVertical/EndHorizontal?");
GUIUtility.ExitGUI();
}
else
{
// We can recover from this, so we warning.
Debug.LogWarning("Unexpected top level layout group! Missing GUILayout.EndScrollView/EndVertical/EndHorizontal?");
while (GUILayoutUtility.current.topLevel != expectedGroup)
{
GUILayoutUtility.EndLayoutGroup();
}
}
}
}
public static void EndOffsetArea()
{
if (Event.current.type != EventType.Used)
{
GUILayoutUtility.EndLayoutGroup();
GUI.EndGroup();
}
}
internal static void EndScrollView(bool handleScrollWheel)
{
// Only end the scroll view for the relevant BeginScrollView option, if any.
if (!ScrollFailed)
{
GUILayout.EndScrollView();
}
else if (!ManualUnstripFailed)
{
GUILayoutUtility.EndLayoutGroup();
if (ScrollStack.Count <= 0)
{
return;
}
var state = ScrollStack.Peek().TryCast <ScrollViewState>();
var scrollExt = Internal_ScrollViewState.FromPointer(state.Pointer);
if (scrollExt == null)
{
throw new Exception("Could not get scrollExt!");
}
GUIClip.Pop();
ScrollStack.Pop();
var position = scrollExt.position;
if (handleScrollWheel && Event.current.type == EventType.ScrollWheel && position.Contains(Event.current.mousePosition))
{
var pos = scrollExt.scrollPosition;
pos.x = Mathf.Clamp(scrollExt.scrollPosition.x + Event.current.delta.x * 20f, 0f, scrollExt.viewRect.width - scrollExt.visibleRect.width);
pos.y = Mathf.Clamp(scrollExt.scrollPosition.y + Event.current.delta.y * 20f, 0f, scrollExt.viewRect.height - scrollExt.visibleRect.height);
if (scrollExt.scrollPosition.x < 0f)
{
pos.x = 0f;
}
if (pos.y < 0f)
{
pos.y = 0f;
}
scrollExt.apply = true;
Event.current.Use();
}
}
}
public static void EndHorizontalSplit()
{
GUILayoutUtility.EndLayoutGroup();
}
public static void EndVerticalSplit()
{
GUILayoutUtility.EndLayoutGroup();
}
public bool MoveNext()
{
if (this.xPos > -1)
{
if (ListViewShared.HasMouseDown(this.ilvState, this.rect))
{
this.ilvState.state.selectionChanged = true;
this.ilvState.state.row = this.yPos;
this.ilvState.state.column = this.xPos;
this.ilvState.state.scrollPos = ListViewShared.ListViewScrollToRow(this.ilvState, this.yPos);
if ((this.ilvState.wantsReordering || this.ilvState.wantsToStartCustomDrag) && GUIUtility.hotControl == this.ilvState.state.ID)
{
((DragAndDropDelay)GUIUtility.GetStateObject(typeof(DragAndDropDelay), this.ilvState.state.ID)).mouseDownPosition = Event.current.mousePosition;
this.ilvState.dragItem = this.yPos;
ListViewShared.dragControlID = this.ilvState.state.ID;
}
}
if ((this.ilvState.wantsReordering || this.ilvState.wantsToStartCustomDrag) && (GUIUtility.hotControl == this.ilvState.state.ID && Event.current.type == EventType.MouseDrag) && GUIClip.visibleRect.Contains(Event.current.mousePosition))
{
if (((DragAndDropDelay)GUIUtility.GetStateObject(typeof(DragAndDropDelay), this.ilvState.state.ID)).CanStartDrag())
{
DragAndDrop.PrepareStartDrag();
DragAndDrop.objectReferences = new UnityEngine.Object[0];
DragAndDrop.paths = (string[])null;
if (this.ilvState.wantsReordering)
{
this.ilvState.state.dropHereRect = new Rect(this.ilvState.rect.x, 0.0f, this.ilvState.rect.width, (float)(this.ilvState.state.rowHeight * 2));
DragAndDrop.StartDrag(this.dragTitle);
}
else if (this.ilvState.wantsToStartCustomDrag)
{
DragAndDrop.SetGenericData("CustomDragID", (object)this.ilvState.state.ID);
DragAndDrop.StartDrag(this.dragTitle);
}
}
Event.current.Use();
}
}
++this.xPos;
if (this.xPos > this.xTo)
{
this.xPos = 0;
++this.yPos;
this.rect.x = this.firstRect.x;
this.rect.width = (float)this.colWidths[0];
if (this.yPos > this.yTo)
{
this.quiting = true;
}
else
{
this.rect.y += this.rect.height;
}
}
else
{
if (this.xPos >= 1)
{
this.rect.x += (float)this.colWidths[this.xPos - 1];
}
this.rect.width = (float)this.colWidths[this.xPos];
}
this.element.row = this.yPos;
this.element.column = this.xPos;
this.element.position = this.rect;
if (this.element.row >= this.ilvState.state.totalRows)
{
this.quiting = true;
}
if (this.isLayouted && Event.current.type == EventType.Layout && this.yFrom + 1 == this.yPos)
{
this.quiting = true;
}
if (this.isLayouted && this.yPos != this.yFrom)
{
GUILayout.EndHorizontal();
}
if (this.quiting)
{
if (this.ilvState.state.drawDropHere && Event.current.GetTypeForControl(this.ilvState.state.ID) == EventType.Repaint)
{
GUIStyle insertion = (GUIStyle)ListViewShared.Constants.insertion;
insertion.Draw(insertion.margin.Remove(this.ilvState.state.dropHereRect), false, false, false, false);
}
if (ListViewShared.ListViewKeyboard(this.ilvState, this.colWidths.Length))
{
this.ilvState.state.selectionChanged = true;
}
if (Event.current.GetTypeForControl(this.ilvState.state.ID) == EventType.MouseUp)
{
GUIUtility.hotControl = 0;
}
if (this.ilvState.wantsReordering && GUIUtility.hotControl == this.ilvState.state.ID)
{
ListViewState state = this.ilvState.state;
switch (Event.current.type)
{
case EventType.DragUpdated:
DragAndDrop.visualMode = !this.ilvState.rect.Contains(Event.current.mousePosition) ? DragAndDropVisualMode.None : DragAndDropVisualMode.Move;
Event.current.Use();
if (DragAndDrop.visualMode != DragAndDropVisualMode.None)
{
state.dropHereRect.y = (float)((Mathf.RoundToInt(Event.current.mousePosition.y / (float)state.rowHeight) - 1) * state.rowHeight);
if ((double)state.dropHereRect.y >= (double)(state.rowHeight * state.totalRows))
{
state.dropHereRect.y = (float)(state.rowHeight * (state.totalRows - 1));
}
state.drawDropHere = true;
break;
}
break;
case EventType.DragPerform:
if (GUIClip.visibleRect.Contains(Event.current.mousePosition))
{
this.ilvState.state.draggedFrom = this.ilvState.dragItem;
this.ilvState.state.draggedTo = Mathf.RoundToInt(Event.current.mousePosition.y / (float)state.rowHeight);
if (this.ilvState.state.draggedTo > this.ilvState.state.totalRows)
{
this.ilvState.state.draggedTo = this.ilvState.state.totalRows;
}
this.ilvState.state.row = this.ilvState.state.draggedTo <= this.ilvState.state.draggedFrom ? this.ilvState.state.draggedTo : this.ilvState.state.draggedTo - 1;
this.ilvState.state.selectionChanged = true;
DragAndDrop.AcceptDrag();
Event.current.Use();
this.ilvState.wantsReordering = false;
this.ilvState.state.drawDropHere = false;
}
GUIUtility.hotControl = 0;
break;
case EventType.DragExited:
this.ilvState.wantsReordering = false;
this.ilvState.state.drawDropHere = false;
GUIUtility.hotControl = 0;
break;
}
}
else if (this.ilvState.wantsExternalFiles)
{
switch (Event.current.type)
{
case EventType.DragUpdated:
if (GUIClip.visibleRect.Contains(Event.current.mousePosition) && DragAndDrop.paths != null && DragAndDrop.paths.Length != 0)
{
DragAndDrop.visualMode = !this.ilvState.rect.Contains(Event.current.mousePosition) ? DragAndDropVisualMode.None : DragAndDropVisualMode.Copy;
Event.current.Use();
if (DragAndDrop.visualMode != DragAndDropVisualMode.None)
{
this.ilvState.state.dropHereRect = new Rect(this.ilvState.rect.x, (float)((Mathf.RoundToInt(Event.current.mousePosition.y / (float)this.ilvState.state.rowHeight) - 1) * this.ilvState.state.rowHeight), this.ilvState.rect.width, (float)this.ilvState.state.rowHeight);
if ((double)this.ilvState.state.dropHereRect.y >= (double)(this.ilvState.state.rowHeight * this.ilvState.state.totalRows))
{
this.ilvState.state.dropHereRect.y = (float)(this.ilvState.state.rowHeight * (this.ilvState.state.totalRows - 1));
}
this.ilvState.state.drawDropHere = true;
break;
}
break;
}
break;
case EventType.DragPerform:
if (GUIClip.visibleRect.Contains(Event.current.mousePosition))
{
this.ilvState.state.fileNames = DragAndDrop.paths;
DragAndDrop.AcceptDrag();
Event.current.Use();
this.ilvState.wantsExternalFiles = false;
this.ilvState.state.drawDropHere = false;
this.ilvState.state.draggedTo = Mathf.RoundToInt(Event.current.mousePosition.y / (float)this.ilvState.state.rowHeight);
if (this.ilvState.state.draggedTo > this.ilvState.state.totalRows)
{
this.ilvState.state.draggedTo = this.ilvState.state.totalRows;
}
this.ilvState.state.row = this.ilvState.state.draggedTo;
}
GUIUtility.hotControl = 0;
break;
case EventType.DragExited:
this.ilvState.wantsExternalFiles = false;
this.ilvState.state.drawDropHere = false;
GUIUtility.hotControl = 0;
break;
}
}
else if (this.ilvState.wantsToAcceptCustomDrag && ListViewShared.dragControlID != this.ilvState.state.ID)
{
switch (Event.current.type)
{
case EventType.DragUpdated:
if (GUIClip.visibleRect.Contains(Event.current.mousePosition) && DragAndDrop.GetGenericData("CustomDragID") != null)
{
DragAndDrop.visualMode = !this.ilvState.rect.Contains(Event.current.mousePosition) ? DragAndDropVisualMode.None : DragAndDropVisualMode.Move;
Event.current.Use();
break;
}
break;
case EventType.DragPerform:
object genericData = DragAndDrop.GetGenericData("CustomDragID");
if (GUIClip.visibleRect.Contains(Event.current.mousePosition) && genericData != null)
{
this.ilvState.state.customDraggedFromID = (int)genericData;
DragAndDrop.AcceptDrag();
Event.current.Use();
}
GUIUtility.hotControl = 0;
break;
case EventType.DragExited:
GUIUtility.hotControl = 0;
break;
}
}
if (this.ilvState.beganHorizontal)
{
EditorGUILayout.EndScrollView();
GUILayout.EndHorizontal();
this.ilvState.beganHorizontal = false;
}
if (this.isLayouted)
{
GUILayoutUtility.EndLayoutGroup();
EditorGUILayout.EndScrollView();
}
this.ilvState.wantsReordering = false;
this.ilvState.wantsExternalFiles = false;
}
else if (this.isLayouted)
{
if (this.yPos != this.yFrom)
{
this.ilvStateL.group.ResetCursor();
this.ilvStateL.group.AddY();
}
else
{
this.ilvStateL.group.AddY((float)(this.ilvState.invisibleRows * this.ilvState.state.rowHeight));
}
}
if (this.isLayouted)
{
if (!this.quiting)
{
GUILayout.BeginHorizontal(GUIStyle.none, new GUILayoutOption[0]);
}
else
{
GUILayout.EndHorizontal();
}
}
return(!this.quiting);
}
internal static void EndScrollView(bool handleScrollWheel)
{
GUILayoutUtility.EndLayoutGroup();
GUI.EndScrollView(handleScrollWheel);
}
public void EndHorizontal()
{
GUILayoutUtility.EndLayoutGroup();
}
public bool MoveNext()
{
if (xPos > -1)
{
if (ListViewShared.HasMouseDown(ilvState, rect))
{
var previousRow = ilvState.state.row;
ilvState.state.selectionChanged = true;
ilvState.state.row = yPos;
ilvState.state.column = xPos;
ilvState.state.scrollPos = ListViewShared.ListViewScrollToRow(ilvState, yPos); // this is about clicking on a row that is partially visible
if (ilvState.wantsRowMultiSelection)
{
MultiSelection(ilvState, previousRow);
}
if ((ilvState.wantsReordering || ilvState.wantsToStartCustomDrag) && (GUIUtility.hotControl == ilvState.state.ID))
{
DragAndDropDelay delay = (DragAndDropDelay)GUIUtility.GetStateObject(typeof(DragAndDropDelay), ilvState.state.ID);
delay.mouseDownPosition = Event.current.mousePosition;
ilvState.dragItem = yPos;
dragControlID = ilvState.state.ID;
}
}
// On Mouse drag, start drag & drop
if (!ListViewShared.isDragging &&
(ilvState.wantsReordering || ilvState.wantsToStartCustomDrag) &&
GUIUtility.hotControl == ilvState.state.ID &&
Event.current.type == EventType.MouseDrag &&
GUIClip.visibleRect.Contains(Event.current.mousePosition))
{
DragAndDropDelay delay = (DragAndDropDelay)GUIUtility.GetStateObject(typeof(DragAndDropDelay), ilvState.state.ID);
if (delay.CanStartDrag())
{
DragAndDrop.PrepareStartDrag();
DragAndDrop.objectReferences = new UnityEngine.Object[] {}; // this IS required for dragging to work
DragAndDrop.paths = null;
if (ilvState.wantsReordering)
{
ilvState.state.dropHereRect = new Rect(ilvState.rect.x, 0, ilvState.rect.width, ilvState.state.rowHeight * 2);
DragAndDrop.StartDrag(dragTitle);
}
else if (ilvState.wantsToStartCustomDrag)
{
DragAndDrop.SetGenericData("CustomDragID", ilvState.state.ID);
DragAndDrop.StartDrag(dragTitle);
}
ListViewShared.isDragging = true;
}
Event.current.Use();
}
}
xPos++;
if (xPos > xTo)
{
xPos = 0;
yPos++;
rect.x = firstRect.x;
rect.width = colWidths[0];
if (yPos > yTo)
{
quiting = true;
}
else // move vertically
{
rect.y += rect.height;
}
}
else // move horizontally
{
if (xPos >= 1)
{
rect.x += colWidths[xPos - 1];
}
rect.width = colWidths[xPos];
}
element.row = yPos;
element.column = xPos;
element.position = rect;
if (element.row >= ilvState.state.totalRows)
{
quiting = true;
}
if (isLayouted && Event.current.type == EventType.Layout)
{
// this is just "on layout event enumerate just first row" (so we get height of single row)
if (yFrom + 1 == yPos)
{
quiting = true;
}
}
if (isLayouted && yPos != yFrom)
{
GUILayout.EndHorizontal();
}
if (quiting)
{
if (ilvState.state.drawDropHere && Event.current.GetTypeForControl(ilvState.state.ID) == EventType.Repaint)
{
GUIStyle insertion = Constants.insertion;
insertion.Draw(insertion.margin.Remove(ilvState.state.dropHereRect), false, false, false, false);
}
if (ListViewShared.ListViewKeyboard(ilvState, colWidths.Length))
{
ilvState.state.selectionChanged = true;
}
if (Event.current.GetTypeForControl(ilvState.state.ID) == EventType.MouseUp)
{
GUIUtility.hotControl = 0;
}
if (ilvState.wantsReordering && (GUIUtility.hotControl == ilvState.state.ID))
{
ListViewState lv = ilvState.state;
switch (Event.current.type)
{
case EventType.DragUpdated:
{
DragAndDrop.visualMode = ilvState.rect.Contains(Event.current.mousePosition) ?
DragAndDropVisualMode.Move : DragAndDropVisualMode.None;
Event.current.Use();
if (DragAndDrop.visualMode != DragAndDropVisualMode.None)
{
lv.dropHereRect.y = (Mathf.RoundToInt(Event.current.mousePosition.y / lv.rowHeight) - 1) * lv.rowHeight;
if (lv.dropHereRect.y >= lv.rowHeight * lv.totalRows)
{
lv.dropHereRect.y = lv.rowHeight * (lv.totalRows - 1);
}
lv.drawDropHere = true;
}
break;
}
case EventType.DragPerform:
{
if (GUIClip.visibleRect.Contains(Event.current.mousePosition))
{
ilvState.state.draggedFrom = ilvState.dragItem;
ilvState.state.draggedTo = Mathf.RoundToInt(Event.current.mousePosition.y / lv.rowHeight);
if (ilvState.state.draggedTo > ilvState.state.totalRows)
{
ilvState.state.draggedTo = ilvState.state.totalRows;
}
// the guy handling this would better actually rearrange items...
if (ilvState.state.draggedTo > ilvState.state.draggedFrom)
{
ilvState.state.row = ilvState.state.draggedTo - 1;
}
else
{
ilvState.state.row = ilvState.state.draggedTo;
}
ilvState.state.selectionChanged = true;
DragAndDrop.AcceptDrag();
Event.current.Use();
ilvState.wantsReordering = false;
ilvState.state.drawDropHere = false;
}
GUIUtility.hotControl = 0;
break;
}
case EventType.DragExited:
{
ilvState.wantsReordering = false;
ilvState.state.drawDropHere = false;
GUIUtility.hotControl = 0;
break;
}
}
}
else if (ilvState.wantsExternalFiles)
{
switch (Event.current.type)
{
case EventType.DragUpdated:
{
if ((GUIClip.visibleRect.Contains(Event.current.mousePosition)) &&
(DragAndDrop.paths != null) && (DragAndDrop.paths.Length != 0)) // dragging files from somewhere
{
DragAndDrop.visualMode = ilvState.rect.Contains(Event.current.mousePosition) ?
DragAndDropVisualMode.Copy : DragAndDropVisualMode.None;
Event.current.Use();
if (DragAndDrop.visualMode != DragAndDropVisualMode.None)
{
ilvState.state.dropHereRect = new Rect(ilvState.rect.x,
(Mathf.RoundToInt(Event.current.mousePosition.y / ilvState.state.rowHeight) - 1) * ilvState.state.rowHeight,
ilvState.rect.width, ilvState.state.rowHeight);
if (ilvState.state.dropHereRect.y >= ilvState.state.rowHeight * ilvState.state.totalRows)
{
ilvState.state.dropHereRect.y = ilvState.state.rowHeight * (ilvState.state.totalRows - 1);
}
ilvState.state.drawDropHere = true;
}
}
break;
}
case EventType.DragPerform:
{
if (GUIClip.visibleRect.Contains(Event.current.mousePosition))
{
ilvState.state.fileNames = DragAndDrop.paths;
DragAndDrop.AcceptDrag();
Event.current.Use();
ilvState.wantsExternalFiles = false;
ilvState.state.drawDropHere = false;
ilvState.state.draggedTo = Mathf.RoundToInt(Event.current.mousePosition.y / ilvState.state.rowHeight);
if (ilvState.state.draggedTo > ilvState.state.totalRows)
{
ilvState.state.draggedTo = ilvState.state.totalRows;
}
ilvState.state.row = ilvState.state.draggedTo;
}
GUIUtility.hotControl = 0;
break;
}
case EventType.DragExited:
{
ilvState.wantsExternalFiles = false;
ilvState.state.drawDropHere = false;
GUIUtility.hotControl = 0;
break;
}
}
}
else if (ilvState.wantsToAcceptCustomDrag && (dragControlID != ilvState.state.ID))
{
switch (Event.current.type)
{
case EventType.DragUpdated:
{
object data = DragAndDrop.GetGenericData("CustomDragID");
if (GUIClip.visibleRect.Contains(Event.current.mousePosition) && data != null)
{
DragAndDrop.visualMode = ilvState.rect.Contains(Event.current.mousePosition) ?
DragAndDropVisualMode.Move : DragAndDropVisualMode.None;
Event.current.Use();
}
break;
}
case EventType.DragPerform:
{
object data = DragAndDrop.GetGenericData("CustomDragID");
if (GUIClip.visibleRect.Contains(Event.current.mousePosition) && data != null)
{
ilvState.state.customDraggedFromID = (int)data;
DragAndDrop.AcceptDrag();
Event.current.Use();
}
GUIUtility.hotControl = 0;
break;
}
case EventType.DragExited:
{
GUIUtility.hotControl = 0;
break;
}
}
}
if (ilvState.beganHorizontal)
{
EditorGUILayout.EndScrollView();
GUILayout.EndHorizontal();
ilvState.beganHorizontal = false;
}
if (isLayouted)
{
GUILayoutUtility.EndLayoutGroup();
EditorGUILayout.EndScrollView();
}
ilvState.wantsReordering = false;
ilvState.wantsExternalFiles = false;
}
else if (isLayouted)
{
if (yPos != yFrom)
{
ilvStateL.group.ResetCursor();
ilvStateL.group.AddY();
}
else
{
ilvStateL.group.AddY(ilvState.invisibleRows * ilvState.state.rowHeight);
}
}
if (isLayouted)
{
if (!quiting)
{
GUILayout.BeginHorizontal(GUIStyle.none); // for each row
}
else
{
GUILayout.EndHorizontal(); // the one used for drawing LVs background
}
}
return(!quiting);
}
public static void EndOffsetArea()
{
GUILayoutUtility.EndLayoutGroup();
GUI.EndGroup();
}
public static void EndVertical()
{
GUILayoutUtility.EndGroup("GUILayout.EndVertical");
GUILayoutUtility.EndLayoutGroup();
}
public static void EndHorizontal()
{
GUILayoutUtility.EndGroup("GUILayout.EndHorizontal");
GUILayoutUtility.EndLayoutGroup();
}