mirror of
https://github.com/LadybirdBrowser/ladybird.git
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92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/QuickSort.h>
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#include <LibGUI/RegularEditingEngine.h>
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#include <LibGUI/TextEditor.h>
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namespace GUI {
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CursorWidth RegularEditingEngine::cursor_width() const
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{
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return CursorWidth::NARROW;
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}
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bool RegularEditingEngine::on_key(const KeyEvent& event)
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{
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if (EditingEngine::on_key(event))
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return true;
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if (event.key() == KeyCode::Key_Escape) {
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if (m_editor->on_escape_pressed)
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m_editor->on_escape_pressed();
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return true;
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}
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if (event.alt() && event.shift() && event.key() == KeyCode::Key_S) {
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sort_selected_lines();
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return true;
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}
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return false;
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}
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static int strcmp_utf32(const u32* s1, const u32* s2, size_t n)
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{
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while (n-- > 0) {
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if (*s1++ != *s2++)
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return s1[-1] < s2[-1] ? -1 : 1;
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}
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return 0;
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}
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void RegularEditingEngine::sort_selected_lines()
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{
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if (!m_editor->is_editable())
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return;
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if (!m_editor->has_selection())
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return;
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size_t first_line;
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size_t last_line;
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get_selection_line_boundaries(first_line, last_line);
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auto& lines = m_editor->document().lines();
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auto start = lines.begin() + (int)first_line;
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auto end = lines.begin() + (int)last_line + 1;
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quick_sort(start, end, [](auto& a, auto& b) {
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return strcmp_utf32(a.code_points(), b.code_points(), min(a.length(), b.length())) < 0;
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});
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m_editor->did_change();
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m_editor->update();
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}
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}
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