Default Rename in Files to current document. Added Undo Replace button

IDE/src/ui/FindAndReplaceDialog.bf

@@ -44,7 +44,7 @@ namespace IDE.ui
 
             mLocationCombo = new PathComboBox();
 			mLocationCombo.MakeEditable(new PathEditWidget());
-            mLocationCombo.Label = FindResultsPanel.sEntireSolution;
+            mLocationCombo.Label = isReplace ? FindResultsPanel.sCurrentDocument : FindResultsPanel.sEntireSolution;
             mLocationCombo.mPopulateMenuAction.Add(new => PopulateLocationMenu);
 			mLocationCombo.mEditWidget.mOnContentChanged.Add(new (evt) => { UpdateUI(); });
 			AddWidget(mLocationCombo);

IDE/src/ui/FindResultsPanel.bf

@@ -730,12 +730,58 @@ namespace IDE.ui
 						line.AppendF(" {0}: Replaced {1} instance{2}\n", filePath, replaceInFileCount, (replaceInFileCount == 1) ? "" : "s");
 						Write(line);
 					}
+
+					if (replaceCount > 0)
+					{
+						Write("\n");
+						base.Update();
+						var ewc = (OutputWidgetContent)EditWidget.mEditWidgetContent;
+
+						var actionButton = new UndoRenameActionButton();
+						actionButton.mPanel = this;
+						actionButton.mLine = ewc.GetLineCount() - 1;
+						actionButton.Label = "Undo Replace";
+						actionButton.mGlobalUndoData = globalUndoData;
+						ewc.AddWidget(actionButton);
+						ewc.mActionWidgets.Add(actionButton);
+					}
 				}
 
 				StopSearch();
 			}
         }
 
+		class UndoRenameActionButton : OutputActionButton
+		{
+			public GlobalUndoData mGlobalUndoData;
+
+			bool IsValid => ((!gApp.mGlobalUndoManager.mGlobalUndoDataList.IsEmpty) &&
+				(gApp.mGlobalUndoManager.mGlobalUndoDataList.Back == mGlobalUndoData) &&
+				(mGlobalUndoData.mUndoCount == 0));
+
+			public override void Update()
+			{
+				base.Update();
+
+				if (!IsValid)
+					Close();
+			}
+
+			public override void MouseClicked(float x, float y, float origX, float origY, int32 btn)
+			{
+				base.MouseClicked(x, y, origX, origY, btn);
+				if (!IsValid)
+				{
+					Close();
+					return;
+				}
+
+				GlobalUndoAction undoAction = scope .(null, mGlobalUndoData);
+				undoAction.Undo();
+			}
+		}
+
+
 		public override void Clear()
 		{
 			base.Clear();

IDE/src/ui/OutputPanel.bf

@@ -45,6 +45,40 @@ namespace IDE.ui
 			public int32 mLineChar;
 		}
 
+		public class OutputActionButton : DarkButton
+		{
+			public OutputPanel mPanel;
+			public int mLine;
+
+			public void Close()
+			{
+				RemoveSelf();
+				gApp.DeferDelete(this);
+			}
+
+			public override void RemovedFromParent(Widget previousParent, WidgetWindow window)
+			{
+				base.RemovedFromParent(previousParent, window);
+				var ewc = (OutputWidgetContent)mPanel.EditWidget.mEditWidgetContent;
+				ewc.mActionWidgets.Remove(this);
+			}
+
+			public override void Update()
+			{
+				base.Update();
+				var ewc = (OutputWidgetContent)mPanel.EditWidget.mEditWidgetContent;
+				if (mLine >= ewc.GetLineCount())
+				{
+					Close();
+					return;
+				}
+
+				var font = DarkTheme.sDarkTheme.mSmallFont;
+				ewc.GetTextCoordAtLineChar(mLine, 0, var x, var y);
+				Resize(GS!(4), y, font.GetWidth(mLabel) + GS!(32), GS!(24));
+			}
+		}
+
         public OutputWidget mOutputWidget;
 		String mQueuedText = new String() ~ delete _;
 		List<QueuedDisplayChange> mQueuedDisplayChanges = new List<QueuedDisplayChange>() ~ delete _;

IDE/src/ui/OutputWidget.bf

@@ -12,6 +12,7 @@ namespace IDE.ui
     public class OutputWidgetContent : SourceEditWidgetContent
     {
 		public bool mRemapToHighestCompileIdx;
+		public List<Widget> mActionWidgets = new .() ~ delete _;
 
         public this()
         {
@@ -260,6 +261,18 @@ namespace IDE.ui
 				MouseClicked(x, y, x, y, 1);
 			}
 		}
+
+		public override void TextChanged()
+		{
+			base.TextChanged();
+
+			for (var widget in mActionWidgets)
+			{
+				widget.RemoveSelf();
+				delete widget;
+			}
+			mActionWidgets.Clear();
+		}
     }
 
     public class OutputWidget : SourceEditWidget