From f20becf71b89e1caac65a06d69c57362847c1c94 Mon Sep 17 00:00:00 2001 From: AnotherTest Date: Mon, 29 Jun 2020 20:08:02 +0430 Subject: LibLine: Correctly display suggestions on multiline prompts --- Libraries/LibLine/StringMetrics.h | 49 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Libraries/LibLine/StringMetrics.h (limited to 'Libraries/LibLine/StringMetrics.h') diff --git a/Libraries/LibLine/StringMetrics.h b/Libraries/LibLine/StringMetrics.h new file mode 100644 index 0000000000..9fdd8ee719 --- /dev/null +++ b/Libraries/LibLine/StringMetrics.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2020, The SerenityOS developers. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +#include +#include + +namespace Line { + +struct StringMetrics { + Vector line_lengths; + size_t total_length { 0 }; + size_t max_line_length { 0 }; + + size_t lines_with_addition(const StringMetrics& offset, size_t column_width) const; + void reset() + { + line_lengths.clear(); + total_length = 0; + max_line_length = 0; + line_lengths.append(0); + } +}; + +} -- cgit v1.2.3