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/*
* 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.
*/
#include <AK/QuickSort.h>
#include <LibGUI/RegularEditingEngine.h>
#include <LibGUI/TextEditor.h>
namespace GUI {
RegularEditingEngine::RegularEditingEngine()
{
m_editing_engine_type = EditingEngineType::Regular;
}
CursorWidth RegularEditingEngine::cursor_width() const
{
return CursorWidth::NARROW;
}
bool RegularEditingEngine::on_key(const KeyEvent& event)
{
if (EditingEngine::on_key(event))
return true;
if (event.key() == KeyCode::Key_Escape) {
if (m_editor->on_escape_pressed)
m_editor->on_escape_pressed();
return true;
}
if (event.alt() && event.shift() && event.key() == KeyCode::Key_S) {
sort_selected_lines();
return true;
}
return false;
}
static int strcmp_utf32(const u32* s1, const u32* s2, size_t n)
{
while (n-- > 0) {
if (*s1++ != *s2++)
return s1[-1] < s2[-1] ? -1 : 1;
}
return 0;
}
void RegularEditingEngine::sort_selected_lines()
{
if (!m_editor->is_editable())
return;
if (!m_editor->has_selection())
return;
size_t first_line;
size_t last_line;
get_selection_line_boundaries(first_line, last_line);
auto& lines = m_editor->document().lines();
auto start = lines.begin() + (int)first_line;
auto end = lines.begin() + (int)last_line + 1;
quick_sort(start, end, [](auto& a, auto& b) {
return strcmp_utf32(a.code_points(), b.code_points(), min(a.length(), b.length())) < 0;
});
m_editor->did_change();
m_editor->update();
}
}
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