[3.x] Add option to make selection unique

doc/classes/LineEdit.xml

@@ -121,6 +121,9 @@
 		<member name="context_menu_enabled" type="bool" setter="set_context_menu_enabled" getter="is_context_menu_enabled" default="true">
 			If [code]true[/code], the context menu will appear when right-clicked.
 		</member>
+		<member name="deselect_on_focus_loss_enabled" type="bool" setter="set_deselect_on_focus_loss_enabled" getter="is_deselect_on_focus_loss_enabled" default="true">
+			If [code]true[/code], the selected text will be deselected when focus is lost.
+		</member>
 		<member name="editable" type="bool" setter="set_editable" getter="is_editable" default="true">
 			If [code]false[/code], existing text cannot be modified and new text cannot be added.
 		</member>

doc/classes/RichTextLabel.xml

@@ -249,6 +249,9 @@
 			The currently installed custom effects. This is an array of [RichTextEffect]s.
 			To add a custom effect, it's more convenient to use [method install_effect].
 		</member>
+		<member name="deselect_on_focus_loss_enabled" type="bool" setter="set_deselect_on_focus_loss_enabled" getter="is_deselect_on_focus_loss_enabled" default="true">
+			If [code]true[/code], the selected text will be deselected when focus is lost.
+		</member>
 		<member name="fit_content_height" type="bool" setter="set_fit_content_height" getter="is_fit_content_height_enabled" default="false">
 			If [code]true[/code], the label's height will be automatically updated to fit its content.
 			[b]Note:[/b] This property is used as a workaround to fix issues with [RichTextLabel] in [Container]s, but it's unreliable in some cases and will be removed in future versions.

doc/classes/TextEdit.xml

@@ -492,6 +492,9 @@
 		<member name="context_menu_enabled" type="bool" setter="set_context_menu_enabled" getter="is_context_menu_enabled" default="true">
 			If [code]true[/code], a right-click displays the context menu.
 		</member>
+		<member name="deselect_on_focus_loss_enabled" type="bool" setter="set_deselect_on_focus_loss_enabled" getter="is_deselect_on_focus_loss_enabled" default="true">
+			If [code]true[/code], the selected text will be deselected when focus is lost.
+		</member>
 		<member name="draw_spaces" type="bool" setter="set_draw_spaces" getter="is_drawing_spaces" default="false">
 			If [code]true[/code], the "space" character will have a visible representation.
 		</member>

editor/code_editor.cpp

@@ -1710,6 +1710,7 @@ CodeTextEditor::CodeTextEditor() {
 	text_editor->set_show_line_numbers(true);
 	text_editor->set_brace_matching(true);
 	text_editor->set_auto_indent(true);
+	text_editor->set_deselect_on_focus_loss_enabled(false);
 
 	status_bar = memnew(HBoxContainer);
 	add_child(status_bar);

scene/gui/line_edit.cpp

@@ -1011,6 +1011,9 @@ void LineEdit::_notification(int p_what) {
 				OS::get_singleton()->hide_virtual_keyboard();
 			}
 
+			if (deselect_on_focus_loss_enabled) {
+				deselect();
+			}
 		} break;
 		case MainLoop::NOTIFICATION_OS_IME_UPDATE: {
 			if (has_focus()) {
@@ -1790,6 +1793,17 @@ bool LineEdit::is_selecting_enabled() const {
 	return selecting_enabled;
 }
 
+void LineEdit::set_deselect_on_focus_loss_enabled(const bool p_enabled) {
+	deselect_on_focus_loss_enabled = p_enabled;
+	if (p_enabled && selection.enabled && !has_focus()) {
+		deselect();
+	}
+}
+
+bool LineEdit::is_deselect_on_focus_loss_enabled() const {
+	return deselect_on_focus_loss_enabled;
+}
+
 void LineEdit::set_right_icon(const Ref<Texture> &p_icon) {
 	if (right_icon == p_icon) {
 		return;
@@ -1943,6 +1957,8 @@ void LineEdit::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("is_shortcut_keys_enabled"), &LineEdit::is_shortcut_keys_enabled);
 	ClassDB::bind_method(D_METHOD("set_selecting_enabled", "enable"), &LineEdit::set_selecting_enabled);
 	ClassDB::bind_method(D_METHOD("is_selecting_enabled"), &LineEdit::is_selecting_enabled);
+	ClassDB::bind_method(D_METHOD("set_deselect_on_focus_loss_enabled", "enable"), &LineEdit::set_deselect_on_focus_loss_enabled);
+	ClassDB::bind_method(D_METHOD("is_deselect_on_focus_loss_enabled"), &LineEdit::is_deselect_on_focus_loss_enabled);
 	ClassDB::bind_method(D_METHOD("set_right_icon", "icon"), &LineEdit::set_right_icon);
 	ClassDB::bind_method(D_METHOD("get_right_icon"), &LineEdit::get_right_icon);
 
@@ -1976,6 +1992,7 @@ void LineEdit::_bind_methods() {
 	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");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "deselect_on_focus_loss_enabled"), "set_deselect_on_focus_loss_enabled", "is_deselect_on_focus_loss_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "right_icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_right_icon", "get_right_icon");
 	ADD_GROUP("Placeholder", "placeholder_");
 	ADD_PROPERTY(PropertyInfo(Variant::STRING, "placeholder_text"), "set_placeholder", "get_placeholder");
@@ -2003,6 +2020,7 @@ LineEdit::LineEdit() {
 	clear_button_status.pressing_inside = false;
 	shortcut_keys_enabled = true;
 	selecting_enabled = true;
+	deselect_on_focus_loss_enabled = true;
 
 	undo_stack_pos = nullptr;
 	_create_undo_state();

scene/gui/line_edit.h

@@ -75,6 +75,7 @@ private:
 	Point2 ime_selection;
 
 	bool selecting_enabled;
+	bool deselect_on_focus_loss_enabled;
 
 	bool context_menu_enabled;
 	PopupMenu *menu;
@@ -241,6 +242,9 @@ public:
 	void set_selecting_enabled(bool p_enabled);
 	bool is_selecting_enabled() const;
 
+	void set_deselect_on_focus_loss_enabled(const bool p_enabled);
+	bool is_deselect_on_focus_loss_enabled() const;
+
 	void set_right_icon(const Ref<Texture> &p_icon);
 	Ref<Texture> get_right_icon();
 

scene/gui/rich_text_label.cpp

@@ -1062,7 +1062,13 @@ void RichTextLabel::_notification(int p_what) {
 				_update_fx(main, dt);
 				update();
 			}
-		}
+		} break;
+		case NOTIFICATION_FOCUS_EXIT: {
+			if (deselect_on_focus_loss_enabled) {
+				selection.active = false;
+				update();
+			}
+		} break;
 		case Control::NOTIFICATION_DRAG_END: {
 			selection.drag_attempt = false;
 		} break;
@@ -2531,6 +2537,14 @@ void RichTextLabel::set_selection_enabled(bool p_enabled) {
 	}
 }
 
+void RichTextLabel::set_deselect_on_focus_loss_enabled(const bool p_enabled) {
+	deselect_on_focus_loss_enabled = p_enabled;
+	if (p_enabled && selection.active && !has_focus()) {
+		selection.active = false;
+		update();
+	}
+}
+
 Variant RichTextLabel::get_drag_data(const Point2 &p_point) {
 	if (selection.drag_attempt && selection.enabled) {
 		String t = get_selected_text();
@@ -2658,6 +2672,10 @@ bool RichTextLabel::is_selection_enabled() const {
 	return selection.enabled;
 }
 
+bool RichTextLabel::is_deselect_on_focus_loss_enabled() const {
+	return deselect_on_focus_loss_enabled;
+}
+
 void RichTextLabel::set_bbcode(const String &p_bbcode) {
 	bbcode = p_bbcode;
 	if (is_inside_tree() && use_bbcode) {
@@ -2818,6 +2836,9 @@ void RichTextLabel::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_selection_enabled", "enabled"), &RichTextLabel::set_selection_enabled);
 	ClassDB::bind_method(D_METHOD("is_selection_enabled"), &RichTextLabel::is_selection_enabled);
 
+	ClassDB::bind_method(D_METHOD("set_deselect_on_focus_loss_enabled", "enable"), &RichTextLabel::set_deselect_on_focus_loss_enabled);
+	ClassDB::bind_method(D_METHOD("is_deselect_on_focus_loss_enabled"), &RichTextLabel::is_deselect_on_focus_loss_enabled);
+
 	ClassDB::bind_method(D_METHOD("parse_bbcode", "bbcode"), &RichTextLabel::parse_bbcode);
 	ClassDB::bind_method(D_METHOD("append_bbcode", "bbcode"), &RichTextLabel::append_bbcode);
 
@@ -2865,6 +2886,8 @@ void RichTextLabel::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "selection_enabled"), "set_selection_enabled", "is_selection_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "override_selected_font_color"), "set_override_selected_font_color", "is_overriding_selected_font_color");
 
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "deselect_on_focus_loss_enabled"), "set_deselect_on_focus_loss_enabled", "is_deselect_on_focus_loss_enabled");
+
 	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "custom_effects", PROPERTY_HINT_RESOURCE_TYPE, "17/17:RichTextEffect", (PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_SCRIPT_VARIABLE), "RichTextEffect"), "set_effects", "get_effects");
 
 	ADD_SIGNAL(MethodInfo("meta_clicked", PropertyInfo(Variant::NIL, "meta", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NIL_IS_VARIANT)));
@@ -3057,6 +3080,7 @@ RichTextLabel::RichTextLabel() {
 	selection.active = false;
 	selection.enabled = false;
 	selection.drag_attempt = false;
+	deselect_on_focus_loss_enabled = true;
 
 	visible_characters = -1;
 	percent_visible = 1;

scene/gui/rich_text_label.h

@@ -362,6 +362,7 @@ private:
 	};
 
 	Selection selection;
+	bool deselect_on_focus_loss_enabled;
 
 	int visible_characters;
 	float percent_visible;
@@ -473,6 +474,8 @@ public:
 	bool is_selection_enabled() const;
 	String get_selected_text();
 	void selection_copy();
+	void set_deselect_on_focus_loss_enabled(const bool p_enabled);
+	bool is_deselect_on_focus_loss_enabled() const;
 
 	Error parse_bbcode(const String &p_bbcode);
 	Error append_bbcode(const String &p_bbcode);

scene/gui/text_edit.cpp

@@ -1889,6 +1889,10 @@ void TextEdit::_notification(int p_what) {
 			if (OS::get_singleton()->has_virtual_keyboard() && virtual_keyboard_enabled) {
 				OS::get_singleton()->hide_virtual_keyboard();
 			}
+
+			if (deselect_on_focus_loss_enabled) {
+				deselect();
+			}
 		} break;
 		case MainLoop::NOTIFICATION_OS_IME_UPDATE: {
 			if (has_focus()) {
@@ -1916,6 +1920,8 @@ void TextEdit::_notification(int p_what) {
 						selection.active = false;
 						selection.selecting_mode = Selection::MODE_NONE;
 						update();
+					} else if (deselect_on_focus_loss_enabled) {
+						deselect();
 					}
 				}
 			} else {
@@ -7307,6 +7313,17 @@ bool TextEdit::is_selecting_enabled() const {
 	return selecting_enabled;
 }
 
+void TextEdit::set_deselect_on_focus_loss_enabled(const bool p_enabled) {
+	deselect_on_focus_loss_enabled = p_enabled;
+	if (p_enabled && selection.active && !has_focus()) {
+		deselect();
+	}
+}
+
+bool TextEdit::is_deselect_on_focus_loss_enabled() const {
+	return deselect_on_focus_loss_enabled;
+}
+
 bool TextEdit::is_shortcut_keys_enabled() const {
 	return shortcut_keys_enabled;
 }
@@ -7415,6 +7432,8 @@ void TextEdit::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("is_virtual_keyboard_enabled"), &TextEdit::is_virtual_keyboard_enabled);
 	ClassDB::bind_method(D_METHOD("set_selecting_enabled", "enable"), &TextEdit::set_selecting_enabled);
 	ClassDB::bind_method(D_METHOD("is_selecting_enabled"), &TextEdit::is_selecting_enabled);
+	ClassDB::bind_method(D_METHOD("set_deselect_on_focus_loss_enabled", "enable"), &TextEdit::set_deselect_on_focus_loss_enabled);
+	ClassDB::bind_method(D_METHOD("is_deselect_on_focus_loss_enabled"), &TextEdit::is_deselect_on_focus_loss_enabled);
 	ClassDB::bind_method(D_METHOD("is_line_set_as_safe", "line"), &TextEdit::is_line_set_as_safe);
 	ClassDB::bind_method(D_METHOD("set_line_as_safe", "line", "safe"), &TextEdit::set_line_as_safe);
 	ClassDB::bind_method(D_METHOD("is_line_set_as_bookmark", "line"), &TextEdit::is_line_set_as_bookmark);
@@ -7527,6 +7546,7 @@ void TextEdit::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "shortcut_keys_enabled"), "set_shortcut_keys_enabled", "is_shortcut_keys_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "virtual_keyboard_enabled"), "set_virtual_keyboard_enabled", "is_virtual_keyboard_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "selecting_enabled"), "set_selecting_enabled", "is_selecting_enabled");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "deselect_on_focus_loss_enabled"), "set_deselect_on_focus_loss_enabled", "is_deselect_on_focus_loss_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "smooth_scrolling"), "set_smooth_scroll_enable", "is_smooth_scroll_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "v_scroll_speed"), "set_v_scroll_speed", "get_v_scroll_speed");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hiding_enabled"), "set_hiding_enabled", "is_hiding_enabled");
@@ -7692,6 +7712,7 @@ TextEdit::TextEdit() {
 	minimap_line_spacing = 1;
 
 	selecting_enabled = true;
+	deselect_on_focus_loss_enabled = true;
 	context_menu_enabled = true;
 	shortcut_keys_enabled = true;
 	menu = memnew(PopupMenu);

scene/gui/text_edit.h

@@ -437,6 +437,7 @@ private:
 	int search_result_col;
 
 	bool selecting_enabled;
+	bool deselect_on_focus_loss_enabled;
 
 	bool context_menu_enabled;
 	bool shortcut_keys_enabled;
@@ -854,6 +855,9 @@ public:
 	void set_selecting_enabled(bool p_enabled);
 	bool is_selecting_enabled() const;
 
+	void set_deselect_on_focus_loss_enabled(const bool p_enabled);
+	bool is_deselect_on_focus_loss_enabled() const;
+
 	void set_shortcut_keys_enabled(bool p_enabled);
 	bool is_shortcut_keys_enabled() const;