From 605dbffe9331c41531709707255c37b96043930b Mon Sep 17 00:00:00 2001
From: ternvein <ternvein@alsitec.ru>
Date: Mon, 30 Sep 2019 13:07:47 +0400
Subject: [PATCH] FIX: WindowDialog title translation

(cherry picked from commit efc8314516167feb0fdf4d632adfcfaeb568a876)
---
 scene/gui/dialogs.cpp | 18 ++++++++++--------
 scene/gui/dialogs.h   |  1 +
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/scene/gui/dialogs.cpp b/scene/gui/dialogs.cpp
index 58916ada1c1..d710e77d68a 100644
--- a/scene/gui/dialogs.cpp
+++ b/scene/gui/dialogs.cpp
@@ -205,9 +205,9 @@ void WindowDialog::_notification(int p_what) {
 			Color title_color = get_color("title_color", "WindowDialog");
 			int title_height = get_constant("title_height", "WindowDialog");
 			int font_height = title_font->get_height() - title_font->get_descent() * 2;
-			int x = (size.x - title_font->get_string_size(title).x) / 2;
+			int x = (size.x - title_font->get_string_size(xl_title).x) / 2;
 			int y = (-title_height + font_height) / 2;
-			title_font->draw(canvas, Point2(x, y), title, title_color, size.x - panel->get_minimum_size().x);
+			title_font->draw(canvas, Point2(x, y), xl_title, title_color, size.x - panel->get_minimum_size().x);
 		} break;
 
 		case NOTIFICATION_THEME_CHANGED:
@@ -221,8 +221,9 @@ void WindowDialog::_notification(int p_what) {
 
 		case NOTIFICATION_TRANSLATION_CHANGED: {
 			String new_title = tr(title);
-			if (title != new_title) {
-				title = new_title;
+			if (new_title != xl_title) {
+				xl_title = new_title;
+				minimum_size_changed();
 				update();
 			}
 		} break;
@@ -282,9 +283,10 @@ int WindowDialog::_drag_hit_test(const Point2 &pos) const {
 
 void WindowDialog::set_title(const String &p_title) {
 
-	String new_title = tr(p_title);
-	if (title != new_title) {
-		title = new_title;
+	if (title != p_title) {
+		title = p_title;
+		xl_title = tr(p_title);
+		minimum_size_changed();
 		update();
 	}
 }
@@ -305,7 +307,7 @@ Size2 WindowDialog::get_minimum_size() const {
 	Ref<Font> font = get_font("title_font", "WindowDialog");
 
 	const int button_width = close_button->get_combined_minimum_size().x;
-	const int title_width = font->get_string_size(title).x;
+	const int title_width = font->get_string_size(xl_title).x;
 	const int padding = button_width / 2;
 	const int button_area = button_width + padding;
 
diff --git a/scene/gui/dialogs.h b/scene/gui/dialogs.h
index 4b89ac54c5b..fb27508fb7b 100644
--- a/scene/gui/dialogs.h
+++ b/scene/gui/dialogs.h
@@ -56,6 +56,7 @@ class WindowDialog : public Popup {
 
 	TextureButton *close_button;
 	String title;
+	String xl_title;
 	int drag_type;
 	Point2 drag_offset;
 	Point2 drag_offset_far;