void SendInitializeIfNecessary()
{
if (editorWindowModel == null)
{
return;
}
var window = editorWindowModel.window;
if (window != null)
{
var rootElement = window.rootVisualElement;
//we make sure styles have been applied
UIElementsEditorUtility.AddDefaultEditorStyleSheets(rootElement);
if (rootElement.GetProperty(k_InitializedWindowPropertyName) != null)
{
return;
}
if (EditorApplication.isUpdating)
{
EditorApplication.delayCall += SendInitializeIfNecessary;
return;
}
rootElement.SetProperty(k_InitializedWindowPropertyName, true);
Invoke("CreateGUI");
}
}
private bool UpdatePreviewTexture(int width, int height)
{
var vta = target as VisualTreeAsset;
bool dirty = false;
int currentDirtyCount = EditorUtility.GetDirtyCount(target);
if (vta != m_LastTree || !m_LastTree || currentDirtyCount != m_LastDirtyCount || vta.contentHash != m_LastContentHash)
{
m_LastTree = vta;
m_Tree = vta.Instantiate();
m_Tree.StretchToParentSize();
m_LastDirtyCount = currentDirtyCount;
m_LastContentHash = vta.contentHash;
dirty = true;
}
if (m_Panel == null)
{
m_Panel = UIElementsUtility.FindOrCreateEditorPanel(m_LastTree);
var visualTree = m_Panel.visualTree;
UIElementsEditorUtility.AddDefaultEditorStyleSheets(visualTree);
dirty = true;
}
if (dirty)
{
m_Panel.visualTree.Clear();
m_Panel.visualTree.Add(m_Tree);
RenderStaticPreview(width, height, ref m_preview_texture);
}
return(dirty);
}
void SendInitializeIfNecessary(bool duringOnCreate = false)
{
if (editorWindowModel == null)
{
return;
}
var window = editorWindowModel.window;
if (window != null)
{
var rootElement = window.rootVisualElement;
if (EditorApplication.isUpdating || duringOnCreate)
{
rootElement.schedule.Execute(() => { SendInitializeIfNecessary(false); });
return;
}
if (rootElement.GetProperty(k_InitializedWindowPropertyName) != null)
{
return;
}
//we make sure styles have been applied
UIElementsEditorUtility.AddDefaultEditorStyleSheets(rootElement);
rootElement.SetProperty(k_InitializedWindowPropertyName, true);
Invoke("CreateGUI");
}
}
static Toolbar()
{
s_ToolbarDarkStyleSheet = EditorGUIUtility.Load(UIElementsEditorUtility.GetStyleSheetPathForCurrentFont(s_ToolbarDarkStyleSheetPath)) as StyleSheet;
s_ToolbarDarkStyleSheet.isDefaultStyleSheet = true;
s_ToolbarLightStyleSheet = EditorGUIUtility.Load(UIElementsEditorUtility.GetStyleSheetPathForCurrentFont(s_ToolbarLightStyleSheetPath)) as StyleSheet;
s_ToolbarLightStyleSheet.isDefaultStyleSheet = true;
}
public void Render(VisualTreeAsset vta, Rect r, GUIStyle background)
{
if (Event.current.type != EventType.Repaint || r.width < 100 && r.height < 100)
{
return;
}
bool dirty = false;
if (vta != m_LastTree || !m_LastTree)
{
m_LastTree = vta;
m_Tree = (vta as UnityEngine.UIElements.VisualTreeAsset).CloneTree();
m_Tree.StretchToParentSize();
dirty = true;
}
if (m_Panel == null)
{
m_Panel = UIElementsUtility.FindOrCreatePanel(m_LastTree, ContextType.Editor);
var visualTree = m_Panel.visualTree;
visualTree.pseudoStates |= PseudoStates.Root;
UIElementsEditorUtility.AddDefaultEditorStyleSheets(visualTree);
m_Panel.allowPixelCaching = false;
dirty = true;
}
if (dirty)
{
m_Panel.visualTree.Clear();
m_Panel.visualTree.Add(m_Tree);
}
EditorGUI.DrawRect(r, EditorGUIUtility.kViewBackgroundColor);
Rect layoutRect = GUIClip.UnclipToWindow(r);
m_Panel.visualTree.layout = new Rect(0, 0, layoutRect.width, layoutRect.height); // We will draw relative to a viewport covering the preview area, so draw at 0,0
m_Panel.visualTree.IncrementVersion(VersionChangeType.Repaint);
var oldState = SavedGUIState.Create();
int clips = GUIClip.Internal_GetCount();
while (clips > 0)
{
GUIClip.Pop();
clips--;
}
// Establish preview area viewport
var pixelsPerPoint = GUIUtility.pixelsPerPoint;
var viewportRect = new Rect(layoutRect.x * pixelsPerPoint, (GUIClip.visibleRect.height - layoutRect.yMax) * pixelsPerPoint, layoutRect.width * pixelsPerPoint, layoutRect.height * pixelsPerPoint);
GL.Viewport(viewportRect);
m_Panel.Repaint(Event.current);
oldState.ApplyAndForget();
}
internal static void ReloadStyleSheets()
{
var defaultCommonSheet = EditorGUIUtility.Load(s_ToolbarCommonStyleSheetPath) as StyleSheet;
var defaultDarkSheet = EditorGUIUtility.Load(s_ToolbarDarkStyleSheetPath) as StyleSheet;
var defaultLightSheet = EditorGUIUtility.Load(s_ToolbarLightStyleSheetPath) as StyleSheet;
UIElementsEditorUtility.ResolveStyleSheets(s_ToolbarDarkStyleSheet, defaultCommonSheet, defaultDarkSheet);
UIElementsEditorUtility.ResolveStyleSheets(s_ToolbarLightStyleSheet, defaultCommonSheet, defaultLightSheet);
}
private static VisualElement CreateRoot()
{
var name = "rootVisualContainer";
var root = new VisualElement()
{
name = VisualElementUtils.GetUniqueName(name),
pickingMode = PickingMode.Ignore, // do not eat events so IMGUI gets them
viewDataKey = name,
renderHints = RenderHints.ClipWithScissors
};
root.pseudoStates |= PseudoStates.Root;
UIElementsEditorUtility.AddDefaultEditorStyleSheets(root);
root.style.overflow = UnityEngine.UIElements.Overflow.Hidden;
return(root);
}
public void Render(VisualTreeAsset vta, Rect r, GUIStyle background)
{
if (Event.current.type != EventType.Repaint || r.width < 100 && r.height < 100)
{
return;
}
bool dirty = false;
if (vta != m_LastTree || !m_LastTree)
{
m_LastTree = vta;
m_Tree = (vta as UnityEngine.UIElements.VisualTreeAsset).Instantiate();
m_Tree.StretchToParentSize();
dirty = true;
}
if (m_Panel == null)
{
m_Panel = UIElementsUtility.FindOrCreateEditorPanel(m_LastTree);
var visualTree = m_Panel.visualTree;
visualTree.pseudoStates |= PseudoStates.Root;
UIElementsEditorUtility.AddDefaultEditorStyleSheets(visualTree);
dirty = true;
}
if (dirty)
{
m_Panel.visualTree.Clear();
m_Panel.visualTree.Add(m_Tree);
}
EditorGUI.DrawRect(r, EditorGUIUtility.kViewBackgroundColor);
m_Panel.visualTree.SetSize(r.size); // We will draw relative to a viewport covering the preview area, so draw at 0,0
m_Panel.visualTree.IncrementVersion(VersionChangeType.Repaint);
var oldState = SavedGUIState.Create();
int clips = GUIClip.Internal_GetCount();
while (clips > 0)
{
GUIClip.Pop();
clips--;
}
float pixelsPerPoint = EditorGUIUtility.pixelsPerPoint;
var desc = new RenderTextureDescriptor((int)(r.width * pixelsPerPoint), (int)(r.height * pixelsPerPoint), RenderTextureFormat.ARGB32, 16);
var rt = RenderTexture.GetTemporary(desc);
var oldRt = RenderTexture.active;
RenderTexture.active = rt;
GL.LoadPixelMatrix(0, rt.width, rt.height, 0);
m_Panel.Repaint(Event.current);
RenderTexture.active = oldRt;
oldState.ApplyAndForget();
GUI.DrawTexture(r, rt);
RenderTexture.ReleaseTemporary(rt);
}
public void Render(VisualTreeAsset vta, Rect r, GUIStyle background)
{
if (Event.current.type != EventType.Repaint || r.width < 100 && r.height < 100)
{
return;
}
bool dirty = false;
if (vta != m_LastTree || !m_LastTree)
{
m_LastTree = vta;
m_Tree = (vta as UnityEngine.UIElements.VisualTreeAsset).Instantiate();
m_Tree.StretchToParentSize();
dirty = true;
}
if (m_Panel == null)
{
m_Panel = UIElementsUtility.FindOrCreateEditorPanel(m_LastTree);
var visualTree = m_Panel.visualTree;
visualTree.pseudoStates |= PseudoStates.Root;
UIElementsEditorUtility.AddDefaultEditorStyleSheets(visualTree);
dirty = true;
}
if (dirty)
{
m_Panel.visualTree.Clear();
m_Panel.visualTree.Add(m_Tree);
}
EditorGUI.DrawRect(r, EditorGUIUtility.kViewBackgroundColor);
var dpiScale = EditorGUIUtility.pixelsPerPoint;
var viewportRect = GUIClip.UnclipToWindow(r); // Still in points, not pixels
var viewportRectPx = new Rect(viewportRect.min * dpiScale, viewportRect.size * dpiScale);
m_Panel.visualTree.SetSize(viewportRect.size); // We will draw relative to a viewport covering the preview area, so draw at 0,0
m_Panel.visualTree.IncrementVersion(VersionChangeType.Repaint);
var oldState = SavedGUIState.Create();
int clips = GUIClip.Internal_GetCount();
while (clips > 0)
{
GUIClip.Pop();
clips--;
}
var oldClearFlags = m_Panel.clearFlags;
m_Panel.clearFlags = PanelClearFlags.None;
RectInt oldViewport = UnityEngine.UIElements.UIR.Utility.GetActiveViewport();
GL.Viewport(new Rect(new Vector2(viewportRectPx.xMin, Screen.height - viewportRectPx.yMin - viewportRectPx.height), viewportRectPx.size));
m_Panel.Repaint(Event.current);
GL.Viewport(new Rect(oldViewport.xMin, oldViewport.yMin, oldViewport.width, oldViewport.height));
oldState.ApplyAndForget();
m_Panel.clearFlags = oldClearFlags;
}
