From 3ec47b4c6e0edd87819de589529e107690bc175f Mon Sep 17 00:00:00 2001
From: Poommetee Ketson <poommetee@protonmail.com>
Date: Sat, 22 Jul 2017 23:15:31 +0700
Subject: [PATCH] Tabs: expose tab_close_display_policy property

---
 scene/gui/tabs.cpp | 13 +++++++++++++
 scene/gui/tabs.h   |  6 +++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/scene/gui/tabs.cpp b/scene/gui/tabs.cpp
index ee0ae1fb418..c477a3156f6 100644
--- a/scene/gui/tabs.cpp
+++ b/scene/gui/tabs.cpp
@@ -630,6 +630,7 @@ int Tabs::get_tab_idx_at_point(const Point2 &p_point) const {
 
 void Tabs::set_tab_align(TabAlign p_align) {
 
+	ERR_FAIL_INDEX(p_align, ALIGN_MAX);
 	tab_align = p_align;
 	update();
 }
@@ -764,10 +765,17 @@ Rect2 Tabs::get_tab_rect(int p_tab) const {
 }
 
 void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
+
+	ERR_FAIL_INDEX(p_policy, CLOSE_BUTTON_MAX);
 	cb_displaypolicy = p_policy;
 	update();
 }
 
+Tabs::CloseButtonDisplayPolicy Tabs::get_tab_close_display_policy() const {
+
+	return cb_displaypolicy;
+}
+
 void Tabs::set_min_width(int p_width) {
 	min_width = p_width;
 }
@@ -791,6 +799,8 @@ void Tabs::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("ensure_tab_visible", "idx"), &Tabs::ensure_tab_visible);
 	ClassDB::bind_method(D_METHOD("get_tab_rect", "tab_idx"), &Tabs::get_tab_rect);
 	ClassDB::bind_method(D_METHOD("move_tab", "from", "to"), &Tabs::move_tab);
+	ClassDB::bind_method(D_METHOD("set_tab_close_display_policy", "policy"), &Tabs::set_tab_close_display_policy);
+	ClassDB::bind_method(D_METHOD("get_tab_close_display_policy"), &Tabs::get_tab_close_display_policy);
 
 	ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab")));
 	ADD_SIGNAL(MethodInfo("right_button_pressed", PropertyInfo(Variant::INT, "tab")));
@@ -799,14 +809,17 @@ void Tabs::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("reposition_active_tab_request", PropertyInfo(Variant::INT, "idx_to")));
 
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1", PROPERTY_USAGE_EDITOR), "set_current_tab", "get_current_tab");
+	ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "tab_close_display_policy", PROPERTY_HINT_ENUM, "Show Never,Show Active Only,Show Always"), "set_tab_close_display_policy", "get_tab_close_display_policy");
 
 	BIND_CONSTANT(ALIGN_LEFT);
 	BIND_CONSTANT(ALIGN_CENTER);
 	BIND_CONSTANT(ALIGN_RIGHT);
+	BIND_CONSTANT(ALIGN_MAX);
 
 	BIND_CONSTANT(CLOSE_BUTTON_SHOW_ACTIVE_ONLY);
 	BIND_CONSTANT(CLOSE_BUTTON_SHOW_ALWAYS);
 	BIND_CONSTANT(CLOSE_BUTTON_SHOW_NEVER);
+	BIND_CONSTANT(CLOSE_BUTTON_MAX);
 }
 
 Tabs::Tabs() {
diff --git a/scene/gui/tabs.h b/scene/gui/tabs.h
index a9dd6bddd7c..86ad128dcdd 100644
--- a/scene/gui/tabs.h
+++ b/scene/gui/tabs.h
@@ -41,7 +41,8 @@ public:
 
 		ALIGN_LEFT,
 		ALIGN_CENTER,
-		ALIGN_RIGHT
+		ALIGN_RIGHT,
+		ALIGN_MAX
 	};
 
 	enum CloseButtonDisplayPolicy {
@@ -49,6 +50,7 @@ public:
 		CLOSE_BUTTON_SHOW_NEVER,
 		CLOSE_BUTTON_SHOW_ACTIVE_ONLY,
 		CLOSE_BUTTON_SHOW_ALWAYS,
+		CLOSE_BUTTON_MAX
 	};
 
 private:
@@ -122,6 +124,7 @@ public:
 	void move_tab(int from, int to);
 
 	void set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy);
+	CloseButtonDisplayPolicy get_tab_close_display_policy() const;
 
 	int get_tab_count() const;
 	void set_current_tab(int p_current);
@@ -142,5 +145,6 @@ public:
 };
 
 VARIANT_ENUM_CAST(Tabs::TabAlign);
+VARIANT_ENUM_CAST(Tabs::CloseButtonDisplayPolicy);
 
 #endif // TABS_H