on render, fire when height has changed (was 0)

src/browser/services/RenderService.ts

@@ -39,8 +39,10 @@ export class RenderService extends Disposable implements IRenderService {
 
   private _onDimensionsChange = new EventEmitter<IRenderDimensions>();
   public get onDimensionsChange(): IEvent<IRenderDimensions> { return this._onDimensionsChange.event; }
+  private _onRenderedBufferChange = new EventEmitter<{ start: number, end: number }>();
+  public get onRenderedBufferChange(): IEvent<{ start: number, end: number }> { return this._onRenderedBufferChange.event; }
   private _onRender = new EventEmitter<{ start: number, end: number }>();
-  public get onRenderedBufferChange(): IEvent<{ start: number, end: number }> { return this._onRender.event; }
+  public get onRender(): IEvent<{ start: number, end: number }> { return this._onRender.event; }
   private _onRefreshRequest = new EventEmitter<{ start: number, end: number }>();
   public get onRefreshRequest(): IEvent<{ start: number, end: number }> { return this._onRefreshRequest.event; }
 
@@ -122,8 +124,9 @@ export class RenderService extends Disposable implements IRenderService {
 
     // Fire render event only if it was not a redraw
     if (!this._isNextRenderRedrawOnly) {
-      this._onRender.fire({ start, end });
+      this._onRenderedBufferChange.fire({ start, end });
     }
+    this._onRender.fire({ start, end });
     this._isNextRenderRedrawOnly = true;
   }
 

src/browser/services/Services.ts

@@ -50,6 +50,10 @@ export interface IRenderService extends IDisposable {
    * or selections are rendered.
    */
   onRenderedBufferChange: IEvent<{ start: number, end: number }>;
+  /**
+   * Fires on render
+   */
+  onRender: IEvent<{ start: number, end: number }>;
   onRefreshRequest: IEvent<{ start: number, end: number }>;
 
   dimensions: IRenderDimensions;