Merge branch 'master' into feature-778

src/SelectionManager.ts

@@ -288,6 +288,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   public selectAll(): void {
     this._model.isSelectAllActive = true;
     this.refresh();
+    this._terminal.emit('selection');
   }
 
   /**
@@ -560,7 +561,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
       this._terminal.scrollLines(this._dragScrollAmount, false);
       // Re-evaluate selection
       if (this._dragScrollAmount > 0) {
-        this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.buffer.ydisp + this._terminal.rows];
+        this._model.selectionEnd = [this._terminal.cols - 1, Math.min(this._terminal.buffer.ydisp + this._terminal.rows, this._terminal.buffer.lines.length - 1)];
       } else {
         this._model.selectionEnd = [0, this._terminal.buffer.ydisp];
       }
@@ -574,6 +575,9 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
    */
   private _onMouseUp(event: MouseEvent): void {
     this._removeMouseDownListeners();
+
+    if (this.hasSelection)
+      this._terminal.emit('selection');
   }
 
   /**