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95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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 <LibGUI/TextBox.h>
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REGISTER_WIDGET(GUI, TextBox)
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namespace GUI {
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TextBox::TextBox()
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: TextEditor(TextEditor::SingleLine)
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{
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set_min_width(32);
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set_fixed_height(22);
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}
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TextBox::~TextBox()
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{
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}
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void TextBox::keydown_event(GUI::KeyEvent& event)
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{
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TextEditor::keydown_event(event);
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if (event.key() == Key_Up) {
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if (on_up_pressed)
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on_up_pressed();
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if (has_no_history() || !can_go_backwards_in_history())
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return;
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if (m_history_index >= static_cast<int>(m_history.size()))
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m_saved_input = text();
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m_history_index--;
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set_text(m_history[m_history_index]);
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} else if (event.key() == Key_Down) {
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if (on_down_pressed)
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on_down_pressed();
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if (has_no_history())
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return;
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if (can_go_forwards_in_history()) {
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m_history_index++;
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set_text(m_history[m_history_index]);
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} else if (m_history_index < static_cast<int>(m_history.size())) {
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m_history_index++;
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set_text(m_saved_input);
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}
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}
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}
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void TextBox::add_current_text_to_history()
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{
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if (!m_history_enabled)
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return;
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auto input = text();
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if (m_history.is_empty() || m_history.last() != input)
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add_input_to_history(input);
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m_history_index = static_cast<int>(m_history.size());
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m_saved_input = {};
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}
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void TextBox::add_input_to_history(String input)
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{
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m_history.append(move(input));
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m_history_index++;
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}
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}
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