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/*
* Copyright (c) 2021, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "NumericInput.h"
#include "ctype.h"
NumericInput::NumericInput()
{
set_text("0");
on_change = [&] {
auto number_opt = text().to_int();
if (number_opt.has_value()) {
set_current_number(number_opt.value(), false);
return;
}
StringBuilder builder;
bool first = true;
for (auto& ch : text()) {
if (isdigit(ch) || (first && ((ch == '-' && m_min_number < 0) || ch == '+')))
builder.append(ch);
first = false;
}
auto new_number_opt = builder.to_string().to_int();
if (!new_number_opt.has_value()) {
m_needs_text_reset = true;
set_text(builder.to_string());
return;
} else {
m_needs_text_reset = false;
}
set_text(builder.to_string());
set_current_number(new_number_opt.value(), false);
};
on_up_pressed = [&] {
if (m_current_number < m_max_number)
set_current_number(m_current_number + 1);
};
on_down_pressed = [&] {
if (m_current_number > m_min_number)
set_current_number(m_current_number - 1);
};
on_focusout = [&] { on_focus_lost(); };
on_return_pressed = [&] { on_focus_lost(); };
on_escape_pressed = [&] { on_focus_lost(); };
}
void NumericInput::set_min_number(i32 number)
{
m_min_number = number;
if (m_current_number < number)
set_current_number(number);
}
void NumericInput::set_max_number(i32 number)
{
m_max_number = number;
if (m_current_number > number)
set_current_number(number);
}
void NumericInput::on_focus_lost()
{
if (m_needs_text_reset) {
set_text(String::number(m_current_number));
m_needs_text_reset = false;
}
if (on_number_changed)
on_number_changed(m_current_number);
}
void NumericInput::set_current_number(i32 number, bool call_change_handler)
{
if (number == m_current_number)
return;
m_current_number = clamp(number, m_min_number, m_max_number);
set_text(String::number(m_current_number));
if (on_number_changed && call_change_handler)
on_number_changed(m_current_number);
}
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