From c6824ec09d3c03f3970c14bcef449195049ee52c Mon Sep 17 00:00:00 2001
From: Volka <77184943+volkathemartian@users.noreply.github.com>
Date: Fri, 15 Jan 2021 00:42:15 -0500
Subject: [PATCH] Fix unintended SpinBox mouse capture

(cherry picked from commit ae2cf8eb382db2b6c8d597f0015db976eb433500)
---
 scene/gui/spin_box.cpp | 1 -
 scene/gui/spin_box.h   | 8 ++++----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/scene/gui/spin_box.cpp b/scene/gui/spin_box.cpp
index 7b48c6d5a6c..63fcca527ff 100644
--- a/scene/gui/spin_box.cpp
+++ b/scene/gui/spin_box.cpp
@@ -300,7 +300,6 @@ SpinBox::SpinBox() {
 	line_edit->connect("text_entered", this, "_text_entered", Vector<Variant>(), CONNECT_DEFERRED);
 	line_edit->connect("focus_exited", this, "_line_edit_focus_exit", Vector<Variant>(), CONNECT_DEFERRED);
 	line_edit->connect("gui_input", this, "_line_edit_input");
-	drag.enabled = false;
 
 	range_click_timer = memnew(Timer);
 	range_click_timer->connect("timeout", this, "_range_click_timeout");
diff --git a/scene/gui/spin_box.h b/scene/gui/spin_box.h
index 8529da638b4..e9be0badf39 100644
--- a/scene/gui/spin_box.h
+++ b/scene/gui/spin_box.h
@@ -53,11 +53,11 @@ class SpinBox : public Range {
 	void _line_edit_input(const Ref<InputEvent> &p_event);
 
 	struct Drag {
-		float base_val;
-		bool allowed;
-		bool enabled;
+		float base_val = 0;
+		bool allowed = false;
+		bool enabled = false;
 		Vector2 capture_pos;
-		float diff_y;
+		float diff_y = 0;
 	} drag;
 
 	void _line_edit_focus_exit();