public static void BeginSplit(SplitterState state, GUIStyle style, bool vertical, params GUILayoutOption[] options)
{
var guiSplitterGroup = BeginLayoutGroup(style, null, GUISplitterGroup.GuiSplitterGroupType);
state.ID = GUIUtility.GetControlID(SplitterGUILayout.SplitterHash, FocusType.Passive);
switch (Event.current.GetTypeForControl(state.ID))
{
case EventType.MouseDown:
if (Event.current.button == 0 && Event.current.clickCount == 1)
{
int num = (!guiSplitterGroup.isVertical) ? ((int)guiSplitterGroup.rect.x) : ((int)guiSplitterGroup.rect.y);
int num2 = (!guiSplitterGroup.isVertical) ? ((int)Event.current.mousePosition.x) : ((int)Event.current.mousePosition.y);
for (int i = 0; i < state.relativeSizes.Length - 1; i++)
{
if (((!guiSplitterGroup.isVertical) ? new Rect(state.xOffset + (float)num + (float)state.realSizes[i] - (float)(state.splitSize / 2), guiSplitterGroup.rect.y, (float)state.splitSize, guiSplitterGroup.rect.height) : new Rect(state.xOffset + guiSplitterGroup.rect.x, (float)(num + state.realSizes[i] - state.splitSize / 2), guiSplitterGroup.rect.width, (float)state.splitSize)).Contains(Event.current.mousePosition))
{
state.splitterInitialOffset = num2;
state.currentActiveSplitter = i;
GUIUtility.hotControl = state.ID;
Event.current.Use();
break;
}
num += state.realSizes[i];
}
}
break;
case EventType.MouseUp:
if (GUIUtility.hotControl == state.ID)
{
GUIUtility.hotControl = 0;
state.currentActiveSplitter = -1;
state.RealToRelativeSizes();
Event.current.Use();
}
break;
case EventType.MouseDrag:
if (GUIUtility.hotControl == state.ID && state.currentActiveSplitter >= 0)
{
int num2 = (!guiSplitterGroup.isVertical) ? ((int)Event.current.mousePosition.x) : ((int)Event.current.mousePosition.y);
int num3 = num2 - state.splitterInitialOffset;
if (num3 != 0)
{
state.splitterInitialOffset = num2;
state.DoSplitter(state.currentActiveSplitter, state.currentActiveSplitter + 1, num3);
}
Event.current.Use();
}
break;
case EventType.Repaint:
{
int num4 = (!guiSplitterGroup.isVertical) ? ((int)guiSplitterGroup.rect.x) : ((int)guiSplitterGroup.rect.y);
for (int j = 0; j < state.relativeSizes.Length - 1; j++)
{
Rect position = (!guiSplitterGroup.isVertical) ? new Rect(state.xOffset + (float)num4 + (float)state.realSizes[j] - (float)(state.splitSize / 2), guiSplitterGroup.rect.y, (float)state.splitSize, guiSplitterGroup.rect.height) : new Rect(state.xOffset + guiSplitterGroup.rect.x, (float)(num4 + state.realSizes[j] - state.splitSize / 2), guiSplitterGroup.rect.width, (float)state.splitSize);
EditorGUIUtility.AddCursorRect(position, (!guiSplitterGroup.isVertical) ? MouseCursor.SplitResizeLeftRight : MouseCursor.ResizeVertical, state.ID);
num4 += state.realSizes[j];
}
break;
}
case EventType.Layout:
guiSplitterGroup.state = state;
guiSplitterGroup.resetCoords = false;
guiSplitterGroup.isVertical = vertical;
guiSplitterGroup.ApplyOptions(options);
break;
}
}
public static void BeginHorizontalSplit(SplitterState state, params GUILayoutOption[] options)
{
BeginSplit(state, GUIStyle.none, false, options);
}
