Add option to disable virtual keyboard for LineEdit

Co-authored-by: Alexander Holland <alexander.holland@live.de>

doc/classes/LineEdit.xml

@@ -167,6 +167,9 @@
 			String value of the [LineEdit].
 			[b]Note:[/b] Changing text using this property won't emit the [signal text_changed] signal.
 		</member>
+		<member name="virtual_keyboard_enabled" type="bool" setter="set_virtual_keyboard_enabled" getter="is_virtual_keyboard_enabled" default="true">
+			If [code]true[/code], the native virtual keyboard is shown when focused on platforms that support it.
+		</member>
 	</members>
 	<signals>
 		<signal name="text_change_rejected">

scene/gui/line_edit.cpp

@@ -118,7 +118,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 			selection.creating = false;
 			selection.doubleclick = false;
 
-			if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD)) {
+			if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
 				if (selection.enabled) {
 					DisplayServer::get_singleton()->virtual_keyboard_show(text, get_global_rect(), max_length, selection.begin, selection.end);
 				} else {
@@ -309,7 +309,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 				case KEY_KP_ENTER:
 				case KEY_ENTER: {
 					emit_signal("text_entered", text);
-					if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD)) {
+					if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
 						DisplayServer::get_singleton()->virtual_keyboard_hide();
 					}
 
@@ -937,7 +937,7 @@ void LineEdit::_notification(int p_what) {
 				DisplayServer::get_singleton()->window_set_ime_position(get_global_position() + cursor_pos, get_viewport()->get_window_id());
 			}
 
-			if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD)) {
+			if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
 				if (selection.enabled) {
 					DisplayServer::get_singleton()->virtual_keyboard_show(text, get_global_rect(), max_length, selection.begin, selection.end);
 				} else {
@@ -958,7 +958,7 @@ void LineEdit::_notification(int p_what) {
 			ime_text = "";
 			ime_selection = Point2();
 
-			if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD)) {
+			if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
 				DisplayServer::get_singleton()->virtual_keyboard_hide();
 			}
 
@@ -1658,6 +1658,14 @@ bool LineEdit::is_shortcut_keys_enabled() const {
 	return shortcut_keys_enabled;
 }
 
+void LineEdit::set_virtual_keyboard_enabled(bool p_enable) {
+	virtual_keyboard_enabled = p_enable;
+}
+
+bool LineEdit::is_virtual_keyboard_enabled() const {
+	return virtual_keyboard_enabled;
+}
+
 void LineEdit::set_selecting_enabled(bool p_enabled) {
 	selecting_enabled = p_enabled;
 
@@ -1813,6 +1821,8 @@ void LineEdit::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_menu"), &LineEdit::get_menu);
 	ClassDB::bind_method(D_METHOD("set_context_menu_enabled", "enable"), &LineEdit::set_context_menu_enabled);
 	ClassDB::bind_method(D_METHOD("is_context_menu_enabled"), &LineEdit::is_context_menu_enabled);
+	ClassDB::bind_method(D_METHOD("set_virtual_keyboard_enabled", "enable"), &LineEdit::set_virtual_keyboard_enabled);
+	ClassDB::bind_method(D_METHOD("is_virtual_keyboard_enabled"), &LineEdit::is_virtual_keyboard_enabled);
 	ClassDB::bind_method(D_METHOD("set_clear_button_enabled", "enable"), &LineEdit::set_clear_button_enabled);
 	ClassDB::bind_method(D_METHOD("is_clear_button_enabled"), &LineEdit::is_clear_button_enabled);
 	ClassDB::bind_method(D_METHOD("set_shortcut_keys_enabled", "enable"), &LineEdit::set_shortcut_keys_enabled);
@@ -1848,6 +1858,7 @@ void LineEdit::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::STRING, "secret_character"), "set_secret_character", "get_secret_character");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "expand_to_text_length"), "set_expand_to_text_length", "get_expand_to_text_length");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "context_menu_enabled"), "set_context_menu_enabled", "is_context_menu_enabled");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "virtual_keyboard_enabled"), "set_virtual_keyboard_enabled", "is_virtual_keyboard_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clear_button_enabled"), "set_clear_button_enabled", "is_clear_button_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "shortcut_keys_enabled"), "set_shortcut_keys_enabled", "is_shortcut_keys_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "selecting_enabled"), "set_selecting_enabled", "is_selecting_enabled");

scene/gui/line_edit.h

@@ -90,6 +90,8 @@ private:
 
 	bool shortcut_keys_enabled;
 
+	bool virtual_keyboard_enabled = true;
+
 	Ref<Texture2D> right_icon;
 
 	struct Selection {
@@ -227,6 +229,9 @@ public:
 	void set_shortcut_keys_enabled(bool p_enabled);
 	bool is_shortcut_keys_enabled() const;
 
+	void set_virtual_keyboard_enabled(bool p_enable);
+	bool is_virtual_keyboard_enabled() const;
+
 	void set_selecting_enabled(bool p_enabled);
 	bool is_selecting_enabled() const;