Merge pull request #60176 from madmiraal/backport-53000-3.x

[3.x] Add selection getter methods to `LineEdit`

doc/classes/LineEdit.xml

@@ -74,6 +74,24 @@
 				Returns the scroll offset due to [member caret_position], as a number of characters.
 			</description>
 		</method>
+		<method name="get_selection_from_column" qualifiers="const">
+			<return type="int" />
+			<description>
+				Returns the selection begin column.
+			</description>
+		</method>
+		<method name="get_selection_to_column" qualifiers="const">
+			<return type="int" />
+			<description>
+				Returns the selection end column.
+			</description>
+		</method>
+		<method name="has_selection" qualifiers="const">
+			<return type="bool" />
+			<description>
+				Returns [code]true[/code] if the user has selected text.
+			</description>
+		</method>
 		<method name="menu_option">
 			<return type="void" />
 			<argument index="0" name="option" type="int" />

scene/gui/line_edit.cpp

@@ -1584,6 +1584,20 @@ void LineEdit::deselect() {
 	update();
 }
 
+bool LineEdit::has_selection() const {
+	return selection.enabled;
+}
+
+int LineEdit::get_selection_from_column() const {
+	ERR_FAIL_COND_V(!selection.enabled, -1);
+	return selection.begin;
+}
+
+int LineEdit::get_selection_to_column() const {
+	ERR_FAIL_COND_V(!selection.enabled, -1);
+	return selection.end;
+}
+
 void LineEdit::selection_delete() {
 	if (selection.enabled) {
 		delete_text(selection.begin, selection.end);
@@ -1956,6 +1970,9 @@ void LineEdit::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("select", "from", "to"), &LineEdit::select, DEFVAL(0), DEFVAL(-1));
 	ClassDB::bind_method(D_METHOD("select_all"), &LineEdit::select_all);
 	ClassDB::bind_method(D_METHOD("deselect"), &LineEdit::deselect);
+	ClassDB::bind_method(D_METHOD("has_selection"), &LineEdit::has_selection);
+	ClassDB::bind_method(D_METHOD("get_selection_from_column"), &LineEdit::get_selection_from_column);
+	ClassDB::bind_method(D_METHOD("get_selection_to_column"), &LineEdit::get_selection_to_column);
 	ClassDB::bind_method(D_METHOD("set_text", "text"), &LineEdit::set_text);
 	ClassDB::bind_method(D_METHOD("get_text"), &LineEdit::get_text);
 	ClassDB::bind_method(D_METHOD("set_placeholder", "text"), &LineEdit::set_placeholder);

scene/gui/line_edit.h

@@ -187,6 +187,9 @@ public:
 	void select_all();
 	void selection_delete();
 	void deselect();
+	bool has_selection() const;
+	int get_selection_from_column() const;
+	int get_selection_to_column() const;
 
 	void delete_char();
 	void delete_text(int p_from_column, int p_to_column);