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-/*
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- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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- * All rights reserved.
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- *
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- * Redistribution and use in source and binary forms, with or without
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- * modification, are permitted provided that the following conditions are met:
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- *
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- * 1. Redistributions of source code must retain the above copyright notice, this
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- * list of conditions and the following disclaimer.
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- *
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- * 2. Redistributions in binary form must reproduce the above copyright notice,
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- * this list of conditions and the following disclaimer in the documentation
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- * and/or other materials provided with the distribution.
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- *
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- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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- */
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-
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-#include "BackgroundWidget.h"
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-#include "TextWidget.h"
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-#include "UnuncheckableButton.h"
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-#include <AK/ByteBuffer.h>
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-#include <AK/Optional.h>
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-#include <AK/String.h>
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-#include <AK/StringBuilder.h>
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-#include <AK/Vector.h>
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-#include <LibCore/File.h>
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-#include <LibGUI/Application.h>
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-#include <LibGUI/BoxLayout.h>
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-#include <LibGUI/Button.h>
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-#include <LibGUI/ImageWidget.h>
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-#include <LibGUI/Label.h>
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-#include <LibGUI/MessageBox.h>
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-#include <LibGUI/StackWidget.h>
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-#include <LibGUI/Window.h>
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-#include <LibGfx/Bitmap.h>
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-#include <LibGfx/Font.h>
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-#include <LibGfx/FontDatabase.h>
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-#include <stdio.h>
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-#include <unistd.h>
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-
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-struct ContentPage {
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- String menu_name;
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- String title;
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- String icon = String::empty();
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- Vector<String> content;
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-};
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-
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-static Optional<Vector<ContentPage>> parse_welcome_file(const String& path)
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-{
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- auto file = Core::File::construct(path);
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- if (!file->open(Core::IODevice::ReadOnly))
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- return {};
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-
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- Vector<ContentPage> pages;
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- StringBuilder current_output_line;
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- bool started = false;
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- ContentPage current;
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- while (file->can_read_line()) {
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- auto line = file->read_line();
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- if (line.is_empty()) {
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- if (!current_output_line.to_string().is_empty())
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- current.content.append(current_output_line.to_string());
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- current_output_line.clear();
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- continue;
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- }
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- switch (line[0]) {
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- case '*':
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- dbgln("menu_item line:\t{}", line);
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- if (started)
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- pages.append(current);
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- else
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- started = true;
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-
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- current = {};
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- current.menu_name = line.substring(2, line.length() - 2);
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- break;
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- case '$':
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- dbgln("icon line: \t{}", line);
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- current.icon = line.substring(2, line.length() - 2);
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- break;
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- case '>':
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- dbgln("title line:\t{}", line);
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- current.title = line.substring(2, line.length() - 2);
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- break;
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- case '#':
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- dbgln("comment line:\t{}", line);
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- break;
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- default:
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- dbgln("content line:\t", line);
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- if (current_output_line.length() != 0)
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- current_output_line.append(' ');
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- current_output_line.append(line);
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- break;
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- }
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- }
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-
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- if (started) {
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- current.content.append(current_output_line.to_string());
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- pages.append(current);
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- }
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-
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- return pages;
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-}
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-
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-int main(int argc, char** argv)
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-{
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- if (pledge("stdio recvfd sendfd rpath unix cpath fattr", nullptr) < 0) {
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- perror("pledge");
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- return 1;
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- }
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-
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- auto app = GUI::Application::construct(argc, argv);
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-
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- if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
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- perror("pledge");
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- return 1;
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- }
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-
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- if (unveil("/res", "r") < 0) {
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- perror("unveil");
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- return 1;
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- }
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-
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- unveil(nullptr, nullptr);
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-
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- Optional<Vector<ContentPage>> _pages = parse_welcome_file("/res/welcome.txt");
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- if (!_pages.has_value()) {
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- GUI::MessageBox::show(nullptr, "Could not open Welcome file.", "Welcome", GUI::MessageBox::Type::Error);
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- return 1;
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- }
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- auto pages = _pages.value();
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-
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- auto window = GUI::Window::construct();
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- window->set_title("Welcome");
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- window->resize(640, 360);
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- window->center_on_screen();
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-
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- auto& background = window->set_main_widget<BackgroundWidget>();
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- background.set_fill_with_background_color(false);
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- background.set_layout<GUI::VerticalBoxLayout>();
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- background.layout()->set_margins({ 16, 8, 16, 8 });
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- background.layout()->set_spacing(8);
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-
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- //
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- // header
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- //
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-
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- auto& header = background.add<GUI::Label>();
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- header.set_font(Gfx::Font::load_from_file("/res/fonts/PebbletonBold14.font"));
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- header.set_text("Welcome to SerenityOS!");
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- header.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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- header.set_fixed_height(30);
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-
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- //
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- // main section
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- //
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-
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- auto& main_section = background.add<GUI::Widget>();
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- main_section.set_layout<GUI::HorizontalBoxLayout>();
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- main_section.layout()->set_margins({ 0, 0, 0, 0 });
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- main_section.layout()->set_spacing(8);
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-
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- auto& menu = main_section.add<GUI::Widget>();
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- menu.set_layout<GUI::VerticalBoxLayout>();
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- menu.layout()->set_margins({ 0, 0, 0, 0 });
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- menu.layout()->set_spacing(4);
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- menu.set_fixed_width(100);
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-
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- auto& stack = main_section.add<GUI::StackWidget>();
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-
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- bool first = true;
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- for (auto& page : pages) {
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- auto& content = stack.add<GUI::Widget>();
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- content.set_layout<GUI::VerticalBoxLayout>();
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- content.layout()->set_margins({ 0, 0, 0, 0 });
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- content.layout()->set_spacing(8);
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-
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- auto& title_box = content.add<GUI::Widget>();
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- title_box.set_layout<GUI::HorizontalBoxLayout>();
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- title_box.layout()->set_spacing(4);
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- title_box.set_fixed_height(16);
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-
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- if (!page.icon.is_empty()) {
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- auto& icon = title_box.add<GUI::ImageWidget>();
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- icon.set_fixed_size(16, 16);
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- icon.load_from_file(page.icon);
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- }
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-
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- auto& content_title = title_box.add<GUI::Label>();
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- content_title.set_font(Gfx::FontDatabase::default_bold_font());
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- content_title.set_text(page.title);
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- content_title.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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- content_title.set_fixed_height(10);
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-
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- for (auto& paragraph : page.content) {
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- auto& content_text = content.add<TextWidget>();
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- content_text.set_font(Gfx::FontDatabase::default_font());
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- content_text.set_text(paragraph);
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- content_text.set_text_alignment(Gfx::TextAlignment::TopLeft);
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- content_text.set_line_height(12);
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- content_text.wrap_and_set_height();
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- }
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-
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- auto& menu_option = menu.add<UnuncheckableButton>();
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- menu_option.set_font(Gfx::FontDatabase::default_font());
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- menu_option.set_text(page.menu_name);
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- menu_option.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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- menu_option.set_fixed_height(20);
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- menu_option.set_checkable(true);
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- menu_option.set_exclusive(true);
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-
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- if (first)
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- menu_option.set_checked(true);
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-
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- menu_option.on_click = [content = &content, &stack](auto) {
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- stack.set_active_widget(content);
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- content->invalidate_layout();
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- };
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-
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- first = false;
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- }
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-
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- window->show();
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- return app->exec();
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-}
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Andreas Kling