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