From 9172ab37bf79e831efd12dd5cf81e3700629e849 Mon Sep 17 00:00:00 2001
From: Andy Gainey <7810015+againey@users.noreply.github.com>
Date: Sun, 5 Jun 2022 16:23:41 +0200
Subject: [PATCH] Fix inverted mouse wheel zoom in CanvasItemEditor #61716

Bug introduced in bb07c6a7d0 while fixing symmetry of zooming in and out.
---
 editor/plugins/canvas_item_editor_plugin.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index d4d18ccb0cb..4377eff3225 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -1284,7 +1284,9 @@ void CanvasItemEditor::_pan_callback(Vector2 p_scroll_vec) {
 }
 
 void CanvasItemEditor::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
-	zoom_widget->set_zoom_by_increments((int)SIGN(p_scroll_vec.y), p_alt);
+	int scroll_sign = (int)SIGN(p_scroll_vec.y);
+	// Inverted so that scrolling up (-1) zooms in, scrolling down (+1) zooms out.
+	zoom_widget->set_zoom_by_increments(-scroll_sign, p_alt);
 	if (!Math::is_equal_approx(ABS(p_scroll_vec.y), (real_t)1.0)) {
 		// Handle high-precision (analog) scrolling.
 		zoom_widget->set_zoom(zoom * ((zoom_widget->get_zoom() / zoom - 1.f) * p_scroll_vec.y + 1.f));