1 files changed, 29 insertions, 1 deletions

diff --git a/scene/gui/tab_container.cpp b/scene/gui/tab_container.cpp
index 12f91a9873..10a6d18330 100644
--- a/scene/gui/tab_container.cpp
+++ b/scene/gui/tab_container.cpp
@@ -618,6 +618,10 @@ int TabContainer::get_tab_idx_from_control(Control *p_child) const {
 }
 
 void TabContainer::set_tab_alignment(TabBar::AlignmentMode p_alignment) {
+	if (tab_bar->get_tab_alignment() == p_alignment) {
+		return;
+	}
+
 	tab_bar->set_tab_alignment(p_alignment);
 	_update_margins();
 }
@@ -679,6 +683,10 @@ void TabContainer::set_tab_title(int p_tab, const String &p_title) {
 	Control *child = get_tab_control(p_tab);
 	ERR_FAIL_COND(!child);
 
+	if (tab_bar->get_tab_title(p_tab) == p_title) {
+		return;
+	}
+
 	tab_bar->set_tab_title(p_tab, p_title);
 
 	if (p_title == child->get_name()) {
@@ -698,6 +706,10 @@ String TabContainer::get_tab_title(int p_tab) const {
 }
 
 void TabContainer::set_tab_icon(int p_tab, const Ref<Texture2D> &p_icon) {
+	if (tab_bar->get_tab_icon(p_tab) == p_icon) {
+		return;
+	}
+
 	tab_bar->set_tab_icon(p_tab, p_icon);
 
 	_update_margins();
@@ -709,6 +721,10 @@ Ref<Texture2D> TabContainer::get_tab_icon(int p_tab) const {
 }
 
 void TabContainer::set_tab_disabled(int p_tab, bool p_disabled) {
+	if (tab_bar->is_tab_disabled(p_tab) == p_disabled) {
+		return;
+	}
+
 	tab_bar->set_tab_disabled(p_tab, p_disabled);
 
 	_update_margins();
@@ -725,6 +741,10 @@ void TabContainer::set_tab_hidden(int p_tab, bool p_hidden) {
 	Control *child = get_tab_control(p_tab);
 	ERR_FAIL_COND(!child);
 
+	if (tab_bar->is_tab_hidden(p_tab) == p_hidden) {
+		return;
+	}
+
 	tab_bar->set_tab_hidden(p_tab, p_hidden);
 	child->hide();
 
@@ -811,7 +831,11 @@ void TabContainer::set_popup(Node *p_popup) {
 	bool had_popup = get_popup();
 
 	Popup *popup = Object::cast_to<Popup>(p_popup);
-	popup_obj_id = popup ? popup->get_instance_id() : ObjectID();
+	ObjectID popup_id = popup ? popup->get_instance_id() : ObjectID();
+	if (popup_obj_id == popup_id) {
+		return;
+	}
+	popup_obj_id = popup_id;
 
 	if (had_popup != bool(popup)) {
 		update();
@@ -855,6 +879,10 @@ int TabContainer::get_tabs_rearrange_group() const {
 }
 
 void TabContainer::set_use_hidden_tabs_for_min_size(bool p_use_hidden_tabs) {
+	if (use_hidden_tabs_for_min_size == p_use_hidden_tabs) {
+		return;
+	}
+
 	use_hidden_tabs_for_min_size = p_use_hidden_tabs;
 	update_minimum_size();
 }