From aa525072d2786b11a7e5a4012aeda14dde769cb9 Mon Sep 17 00:00:00 2001
From: Drew Weymouth <dweymouth@users.noreply.github.com>
Date: Wed, 9 Oct 2024 16:00:22 -0700
Subject: [PATCH] Don't panic with widgets without a canvas

---
 internal/tooltip_layer.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/internal/tooltip_layer.go b/internal/tooltip_layer.go
index 088236d..515a1cd 100644
--- a/internal/tooltip_layer.go
+++ b/internal/tooltip_layer.go
@@ -69,6 +69,11 @@ func DestroyToolTipLayerForPopup(popUp *widget.PopUp) {
 }
 
 func ShowToolTipAtMousePosition(canvas fyne.Canvas, pos fyne.Position, text string) *ToolTipHandle {
+	if canvas == nil {
+		fyne.LogError("", errors.New("no canvas associated with tool tip widget"))
+		return nil
+	}
+
 	lastToolTipShownUnixMilli = time.Now().UnixMilli()
 	overlay := canvas.Overlays().Top()
 	handle := &ToolTipHandle{canvas: canvas, overlay: overlay}