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ClockSettings: Add a GUI application to set the system time zone

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This application can be expanded with other clock-related options. For
an initial iteration, it has just an option to change the time zone.
This commit is contained in:
Timothy Flynn
2022-01-20 08:23:55 -05:00
committed by Linus Groh
parent 6057a2ca30
commit d365559839
Notes: sideshowbarker 2024-07-17 20:23:37 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/d3655598399
Pull-request: https://github.com/SerenityOS/serenity/pull/12026
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg
7 changed files with 177 additions and 0 deletions
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53
Userland/Applications/ClockSettings/ClockSettingsWidget.cpp Normal file
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/*
* Copyright (c) 2022, Tim Flynn <trflynn89@pm.me>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ClockSettingsWidget.h"
#include <Applications/ClockSettings/ClockSettingsWidgetGML.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/Label.h>
#include <LibTimeZone/TimeZone.h>
#include <spawn.h>
#include <unistd.h>
using StringViewListModel = GUI::ItemListModel<StringView, Span<StringView const>>;
ClockSettingsWidget::ClockSettingsWidget()
{
load_from_gml(clock_settings_widget_gml);
static auto time_zones = TimeZone::all_time_zones();
m_time_zone = TimeZone::current_time_zone();
m_time_zone_combo_box = *find_descendant_of_type_named<GUI::ComboBox>("time_zone_input");
m_time_zone_combo_box->set_only_allow_values_from_model(true);
m_time_zone_combo_box->set_model(*StringViewListModel::create(time_zones));
m_time_zone_combo_box->set_text(m_time_zone);
}
void ClockSettingsWidget::reset_default_values()
{
m_time_zone = "UTC"sv;
m_time_zone_combo_box->set_text(m_time_zone);
set_time_zone();
}
void ClockSettingsWidget::apply_settings()
{
m_time_zone = m_time_zone_combo_box->text();
set_time_zone();
}
void ClockSettingsWidget::set_time_zone() const
{
pid_t child_pid = 0;
char const* argv[] = { "/bin/timezone", m_time_zone.characters(), nullptr };
if ((errno = posix_spawn(&child_pid, "/bin/timezone", nullptr, nullptr, const_cast<char**>(argv), environ))) {
perror("posix_spawn");
exit(1);
}
}