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LibGUI: Add SettingsWindow class

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The FooSettings apps have quite a lot of boilerplate just around
creating a tabbed window with the same styling and the same row of
buttons along the bottom. So, let's extract that out into a class we can
reuse! :^)

You create a SettingsWindow instead of a regular Window, passing a title
and a flag to determine if a "Defaults" button is shown. Then call
add_tab() to add tabs to it. Tabs are widgets extending
SettingsWindow::Tab, which has methods for saving and resetting the
values.
This commit is contained in:
Sam Atkins 2021-11-20 14:28:54 +00:00 • committed by Linus Groh
parent 4b34a1302b
commit 23341f35cb
3 changed files with 130 additions and 0 deletions
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76
Userland/Libraries/LibGUI/SettingsWindow.cpp Normal file
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/*
* Copyright (c) 2020, Idan Horowitz <idan.horowitz@serenityos.org>
* Copyright (c) 2021, the SerenityOS developers.
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/SettingsWindow.h>
#include <LibGUI/Widget.h>
namespace GUI {
SettingsWindow::SettingsWindow(StringView title, ShowDefaultsButton show_defaults_button)
{
set_title(title);
resize(400, 480);
set_resizable(false);
set_minimizable(false);
auto& main_widget = set_main_widget<GUI::Widget>();
main_widget.set_fill_with_background_color(true);
main_widget.set_layout<GUI::VerticalBoxLayout>();
main_widget.layout()->set_margins(4);
main_widget.layout()->set_spacing(6);
m_tab_widget = main_widget.add<GUI::TabWidget>();
auto& button_container = main_widget.add<GUI::Widget>();
button_container.set_shrink_to_fit(true);
button_container.set_layout<GUI::HorizontalBoxLayout>();
button_container.layout()->set_spacing(6);
if (show_defaults_button == ShowDefaultsButton::Yes) {
m_reset_button = button_container.add<GUI::Button>("Defaults");
m_reset_button->on_click = [&](auto) {
for (auto& tab : m_tabs) {
tab.reset_default_values();
tab.apply_settings();
}
};
}
button_container.layout()->add_spacer();
m_ok_button = button_container.add<GUI::Button>("OK");
m_ok_button->set_fixed_width(75);
m_ok_button->on_click = [&](auto) {
for (auto& tab : m_tabs)
tab.apply_settings();
GUI::Application::the()->quit();
};
m_cancel_button = button_container.add<GUI::Button>("Cancel");
m_cancel_button->set_fixed_width(75);
m_cancel_button->on_click = [&](auto) {
GUI::Application::the()->quit();
};
m_apply_button = button_container.add<GUI::Button>("Apply");
m_apply_button->set_fixed_width(75);
m_apply_button->on_click = [&](auto) {
for (auto& tab : m_tabs)
tab.apply_settings();
};
}
SettingsWindow::~SettingsWindow()
{
}
}