Add allow_search property to ItemList and Tree

doc/classes/ItemList.xml

@@ -341,6 +341,9 @@
 		<member name="allow_rmb_select" type="bool" setter="set_allow_rmb_select" getter="get_allow_rmb_select" default="false">
 			If [code]true[/code], right mouse button click can select items.
 		</member>
+		<member name="allow_search" type="bool" setter="set_allow_search" getter="get_allow_search" default="true">
+			If [code]true[/code], allows navigating the [ItemList] with letter keys through incremental search.
+		</member>
 		<member name="auto_height" type="bool" setter="set_auto_height" getter="has_auto_height" default="false">
 			If [code]true[/code], the control will automatically resize the height to fit its content.
 		</member>

doc/classes/Tree.xml

@@ -335,6 +335,9 @@
 		<member name="allow_rmb_select" type="bool" setter="set_allow_rmb_select" getter="get_allow_rmb_select" default="false">
 			If [code]true[/code], a right mouse button click can select items.
 		</member>
+		<member name="allow_search" type="bool" setter="set_allow_search" getter="get_allow_search" default="true">
+			If [code]true[/code], allows navigating the [Tree] with letter keys through incremental search.
+		</member>
 		<member name="clip_contents" type="bool" setter="set_clip_contents" getter="is_clipping_contents" overrides="Control" default="true" />
 		<member name="column_titles_visible" type="bool" setter="set_column_titles_visible" getter="are_column_titles_visible" default="false">
 			If [code]true[/code], column titles are visible.

scene/gui/item_list.cpp

@@ -889,7 +889,7 @@ void ItemList::gui_input(const Ref<InputEvent> &p_event) {
 		} else {
 			Ref<InputEventKey> k = p_event;
 
-			if (k.is_valid() && k->get_unicode()) {
+			if (allow_search && k.is_valid() && k->get_unicode()) {
 				uint64_t now = OS::get_singleton()->get_ticks_msec();
 				uint64_t diff = now - search_time_msec;
 				uint64_t max_interval = uint64_t(GLOBAL_GET("gui/timers/incremental_search_max_interval_msec"));
@@ -1563,6 +1563,14 @@ bool ItemList::get_allow_reselect() const {
 	return allow_reselect;
 }
 
+void ItemList::set_allow_search(bool p_allow) {
+	allow_search = p_allow;
+}
+
+bool ItemList::get_allow_search() const {
+	return allow_search;
+}
+
 void ItemList::set_icon_scale(real_t p_scale) {
 	ERR_FAIL_COND(!Math::is_finite(p_scale));
 	icon_scale = p_scale;
@@ -1805,6 +1813,9 @@ void ItemList::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_allow_reselect", "allow"), &ItemList::set_allow_reselect);
 	ClassDB::bind_method(D_METHOD("get_allow_reselect"), &ItemList::get_allow_reselect);
 
+	ClassDB::bind_method(D_METHOD("set_allow_search", "allow"), &ItemList::set_allow_search);
+	ClassDB::bind_method(D_METHOD("get_allow_search"), &ItemList::get_allow_search);
+
 	ClassDB::bind_method(D_METHOD("set_auto_height", "enable"), &ItemList::set_auto_height);
 	ClassDB::bind_method(D_METHOD("has_auto_height"), &ItemList::has_auto_height);
 
@@ -1822,6 +1833,7 @@ void ItemList::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "select_mode", PROPERTY_HINT_ENUM, "Single,Multi"), "set_select_mode", "get_select_mode");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_reselect"), "set_allow_reselect", "get_allow_reselect");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_rmb_select"), "set_allow_rmb_select", "get_allow_rmb_select");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_search"), "set_allow_search", "get_allow_search");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "max_text_lines", PROPERTY_HINT_RANGE, "1,10,1,or_greater"), "set_max_text_lines", "get_max_text_lines");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "auto_height"), "set_auto_height", "has_auto_height");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "text_overrun_behavior", PROPERTY_HINT_ENUM, "Trim Nothing,Trim Characters,Trim Words,Ellipsis,Word Ellipsis"), "set_text_overrun_behavior", "get_text_overrun_behavior");

scene/gui/item_list.h

@@ -89,6 +89,7 @@ private:
 
 	bool ensure_selected_visible = false;
 	bool same_column_width = false;
+	bool allow_search = true;
 
 	bool auto_height = false;
 	float auto_height_value = 0.0;
@@ -254,6 +255,9 @@ public:
 	void set_allow_reselect(bool p_allow);
 	bool get_allow_reselect() const;
 
+	void set_allow_search(bool p_allow);
+	bool get_allow_search() const;
+
 	void ensure_current_is_visible();
 
 	void sort_items_by_text();

scene/gui/tree.cpp

@@ -3395,7 +3395,7 @@ void Tree::gui_input(const Ref<InputEvent> &p_event) {
 		accept_event();
 	}
 
-	if (k.is_valid()) { // Incremental search
+	if (allow_search && k.is_valid()) { // Incremental search
 
 		if (!k->is_pressed()) {
 			return;
@@ -5246,6 +5246,14 @@ bool Tree::get_allow_reselect() const {
 	return allow_reselect;
 }
 
+void Tree::set_allow_search(bool p_allow) {
+	allow_search = p_allow;
+}
+
+bool Tree::get_allow_search() const {
+	return allow_search;
+}
+
 void Tree::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("clear"), &Tree::clear);
 	ClassDB::bind_method(D_METHOD("create_item", "parent", "index"), &Tree::create_item, DEFVAL(Variant()), DEFVAL(-1));
@@ -5326,10 +5334,14 @@ void Tree::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_allow_reselect", "allow"), &Tree::set_allow_reselect);
 	ClassDB::bind_method(D_METHOD("get_allow_reselect"), &Tree::get_allow_reselect);
 
+	ClassDB::bind_method(D_METHOD("set_allow_search", "allow"), &Tree::set_allow_search);
+	ClassDB::bind_method(D_METHOD("get_allow_search"), &Tree::get_allow_search);
+
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "columns"), "set_columns", "get_columns");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "column_titles_visible"), "set_column_titles_visible", "are_column_titles_visible");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_reselect"), "set_allow_reselect", "get_allow_reselect");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_rmb_select"), "set_allow_rmb_select", "get_allow_rmb_select");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_search"), "set_allow_search", "get_allow_search");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hide_folding"), "set_hide_folding", "is_folding_hidden");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enable_recursive_folding"), "set_enable_recursive_folding", "is_recursive_folding_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hide_root"), "set_hide_root", "is_root_hidden");

scene/gui/tree.h

@@ -625,6 +625,7 @@ private:
 	bool scrolling = false;
 
 	bool allow_reselect = false;
+	bool allow_search = true;
 
 	bool force_edit_checkbox_only_on_checkbox = false;
 
@@ -753,6 +754,9 @@ public:
 	void set_allow_reselect(bool p_allow);
 	bool get_allow_reselect() const;
 
+	void set_allow_search(bool p_allow);
+	bool get_allow_search() const;
+
 	Size2 get_minimum_size() const override;
 
 	Tree();