Update snap setting only with OK

restore previous values with cancel

(cherry picked from commit 667a981d4d5315ab4c3cf44928cbe274dfe9bb01)

editor/plugins/spatial_editor_plugin.cpp

@@ -4504,13 +4504,15 @@ void SpatialEditor::set_state(const Dictionary &p_state) {
 	}
 
 	if (d.has("translate_snap"))
-		snap_translate->set_text(d["translate_snap"]);
+		snap_translate_value = d["translate_snap"];
 
 	if (d.has("rotate_snap"))
-		snap_rotate->set_text(d["rotate_snap"]);
+		snap_rotate_value = d["rotate_snap"];
 
 	if (d.has("scale_snap"))
-		snap_scale->set_text(d["scale_snap"]);
+		snap_scale_value = d["scale_snap"];
+
+	_snap_update();
 
 	if (d.has("local_coords")) {
 		tool_option_button[TOOL_OPT_LOCAL_COORDS]->set_pressed(d["local_coords"]);
@@ -4617,6 +4619,20 @@ void SpatialEditor::edit(Spatial *p_spatial) {
 	}
 }
 
+void SpatialEditor::_snap_changed() {
+
+	snap_translate_value = snap_translate->get_text().to_double();
+	snap_rotate_value = snap_rotate->get_text().to_double();
+	snap_scale_value = snap_scale->get_text().to_double();
+}
+
+void SpatialEditor::_snap_update() {
+
+	snap_translate->set_text(String::num(snap_translate_value));
+	snap_rotate->set_text(String::num(snap_rotate_value));
+	snap_scale->set_text(String::num(snap_scale_value));
+}
+
 void SpatialEditor::_xform_dialog_action() {
 
 	Transform t;
@@ -5848,6 +5864,8 @@ void SpatialEditor::_bind_methods() {
 	ClassDB::bind_method("_refresh_menu_icons", &SpatialEditor::_refresh_menu_icons);
 	ClassDB::bind_method("_update_camera_override_button", &SpatialEditor::_update_camera_override_button);
 	ClassDB::bind_method("_update_camera_override_viewport", &SpatialEditor::_update_camera_override_viewport);
+	ClassDB::bind_method("_snap_changed", &SpatialEditor::_snap_changed);
+	ClassDB::bind_method("_snap_update", &SpatialEditor::_snap_update);
 
 	ADD_SIGNAL(MethodInfo("transform_key_request"));
 	ADD_SIGNAL(MethodInfo("item_lock_status_changed"));
@@ -6106,25 +6124,30 @@ SpatialEditor::SpatialEditor(EditorNode *p_editor) {
 
 	/* SNAP DIALOG */
 
+	snap_translate_value = 1;
+	snap_rotate_value = 15;
+	snap_scale_value = 10;
+
 	snap_dialog = memnew(ConfirmationDialog);
 	snap_dialog->set_title(TTR("Snap Settings"));
 	add_child(snap_dialog);
+	snap_dialog->connect("confirmed", this, "_snap_changed");
+	snap_dialog->get_cancel()->connect("pressed", this, "_snap_update");
 
 	VBoxContainer *snap_dialog_vbc = memnew(VBoxContainer);
 	snap_dialog->add_child(snap_dialog_vbc);
 
 	snap_translate = memnew(LineEdit);
-	snap_translate->set_text("1");
 	snap_dialog_vbc->add_margin_child(TTR("Translate Snap:"), snap_translate);
 
 	snap_rotate = memnew(LineEdit);
-	snap_rotate->set_text("15");
 	snap_dialog_vbc->add_margin_child(TTR("Rotate Snap (deg.):"), snap_rotate);
 
 	snap_scale = memnew(LineEdit);
-	snap_scale->set_text("10");
 	snap_dialog_vbc->add_margin_child(TTR("Scale Snap (%):"), snap_scale);
 
+	_snap_update();
+
 	/* SETTINGS DIALOG */
 
 	settings_dialog = memnew(ConfirmationDialog);

editor/plugins/spatial_editor_plugin.h

@@ -579,6 +579,9 @@ private:
 	Ref<SpatialMaterial> plane_gizmo_color_hl[3];
 
 	int over_gizmo_handle;
+	float snap_translate_value;
+	float snap_rotate_value;
+	float snap_scale_value;
 
 	Ref<ArrayMesh> selection_box;
 	RID indicators;
@@ -658,6 +661,8 @@ private:
 	SpinBox *settings_znear;
 	SpinBox *settings_zfar;
 
+	void _snap_changed();
+	void _snap_update();
 	void _xform_dialog_action();
 	void _menu_item_pressed(int p_option);
 	void _menu_item_toggled(bool pressed, int p_option);