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LibWeb: Move editing stuff into EditEventHandler.
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11 changed files with 161 additions and 22 deletions
71
Libraries/LibWeb/Page/EditEventHandler.cpp
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71
Libraries/LibWeb/Page/EditEventHandler.cpp
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/*
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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/StringBuilder.h>
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#include <LibWeb/DOM/Position.h>
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#include <LibWeb/DOM/Text.h>
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#include <LibWeb/Layout/LayoutPosition.h>
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#include <LibWeb/Page/Frame.h>
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#include "EditEventHandler.h"
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namespace Web {
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void EditEventHandler::handle_delete(DOM::Position position)
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{
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if (position.offset() == 0)
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TODO();
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if (is<DOM::Text>(*position.node())) {
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auto& node = downcast<DOM::Text>(*position.node());
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StringBuilder builder;
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builder.append(node.data().substring_view(0, position.offset() - 1));
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builder.append(node.data().substring_view(position.offset()));
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node.set_data(builder.to_string());
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m_frame.cursor_position().set_offset(m_frame.cursor_position().offset() - 1);
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node.invalidate_style();
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}
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}
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void EditEventHandler::handle_insert(DOM::Position position, u32 code_point)
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{
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// FIXME: Unicode fiasco.
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if (is<DOM::Text>(*position.node())) {
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auto& node = downcast<DOM::Text>(*position.node());
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StringBuilder builder;
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builder.append(node.data().substring_view(0, position.offset()));
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builder.append_code_point(code_point);
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builder.append(node.data().substring_view(position.offset()));
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node.set_data(builder.to_string());
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m_frame.cursor_position().set_offset(m_frame.cursor_position().offset() + 1);
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node.invalidate_style();
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}
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}
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}
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