Method inputMethodQuery

src/tools/text_object_editor_helper.cpp:361–404

QVariant TextObjectEditorHelper::inputMethodQuery(Qt::InputMethodQuery property, const QVariant& argument) const
{
	switch (property)
	{
	case Qt::ImHints:
		return { Qt::ImhMultiLine };
	case Qt::ImAnchorPosition:
		return { anchor_position - blockStart() };
	case Qt::ImCursorPosition:
		{
			const auto point = argument.toPointF();
			if (!point.isNull())
			{
				auto map_coord = editor->getMainWidget()->viewportToMapF(point);
				return { text_object->calcTextPositionAt(map_coord, false) - blockStart() };
			}
		}
		return { cursor_position - blockStart() };
	case Qt::ImCursorRectangle:
		return { cursorRectangle() };
	case Qt::ImSurroundingText:
		return pristine_text.mid(blockStart(), blockEnd() - blockStart());
	case Qt::ImCurrentSelection:
		return { selectionText() };
	case Qt::ImMaximumTextLength:
		return { }; // No limit.
	case Qt::ImAbsolutePosition:
		{
			const auto point = argument.toPointF();
			if (!point.isNull())
			{
				auto map_coord = editor->getMainWidget()->viewportToMapF(point);
				return { text_object->calcTextPositionAt(map_coord, false) };
			}
		}
		return { cursor_position };
	case Qt::ImTextBeforeCursor:
		return pristine_text.mid(blockStart(), cursor_position - blockStart());
	case Qt::ImTextAfterCursor:
		return pristine_text.mid(cursor_position, blockEnd() - cursor_position);
	default:
		return { };
	}
}


bool TextObjectEditorHelper::inputMethodEvent(QInputMethodEvent* event)