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https://github.com/LadybirdBrowser/ladybird.git
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4f9f948b6d
SettingsWindow now notices if the window is marked as modified, and shows a confirmation pop-up to check if the user wants to apply or discard their changes. It automatically marks the window as unmodified after restoring defaults or applying the changes, but each Tab subclass needs to call `set_modified(true)` when the user modifies things. The "Apply" button is automatically disabled when there are no unsaved changes to be applied.
79 lines
2 KiB
C++
79 lines
2 KiB
C++
/*
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* Copyright (c) 2020, Idan Horowitz <idan.horowitz@serenityos.org>
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* Copyright (c) 2021-2022, the SerenityOS developers.
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* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/HashMap.h>
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#include <LibGUI/Button.h>
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#include <LibGUI/TabWidget.h>
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#include <LibGUI/Window.h>
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namespace GUI {
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class SettingsWindow : public GUI::Window {
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C_OBJECT(SettingsWindow)
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public:
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class Tab : public GUI::Widget {
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public:
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virtual void apply_settings() = 0;
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virtual void cancel_settings() { }
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virtual void reset_default_values() { }
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SettingsWindow& settings_window() { return *m_window; }
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void set_settings_window(SettingsWindow& settings_window) { m_window = settings_window; }
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void set_modified(bool modified)
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{
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if (m_window)
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m_window->set_modified(modified);
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}
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private:
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WeakPtr<SettingsWindow> m_window;
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};
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enum class ShowDefaultsButton {
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Yes,
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No,
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};
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static ErrorOr<NonnullRefPtr<SettingsWindow>> create(String title, ShowDefaultsButton = ShowDefaultsButton::No);
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virtual ~SettingsWindow() override = default;
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template<class T, class... Args>
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ErrorOr<NonnullRefPtr<T>> add_tab(String title, StringView id, Args&&... args)
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{
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auto tab = TRY(m_tab_widget->try_add_tab<T>(move(title), forward<Args>(args)...));
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TRY(m_tabs.try_set(id, tab));
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tab->set_settings_window(*this);
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return tab;
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}
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Optional<NonnullRefPtr<Tab>> get_tab(StringView id) const;
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void set_active_tab(StringView id);
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void apply_settings();
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void cancel_settings();
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void reset_default_values();
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void set_modified(bool);
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private:
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SettingsWindow() = default;
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RefPtr<GUI::TabWidget> m_tab_widget;
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HashMap<StringView, NonnullRefPtr<Tab>> m_tabs;
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RefPtr<GUI::Button> m_ok_button;
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RefPtr<GUI::Button> m_cancel_button;
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RefPtr<GUI::Button> m_apply_button;
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RefPtr<GUI::Button> m_reset_button;
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};
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}
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