mirror of
https://github.com/LadybirdBrowser/ladybird.git
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262 lines
9.1 KiB
C++
262 lines
9.1 KiB
C++
/*
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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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#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/Desktop.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/Font.h>
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#include <LibGfx/Bitmap.h>
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#include <stdio.h>
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#include <unistd.h>
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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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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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Optional<Vector<ContentPage>> parse_welcome_file(const String& path)
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{
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const auto error = Optional<Vector<ContentPage>>();
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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 error;
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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 (true) {
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auto buffer = file->read_line(4096);
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if (buffer.is_null()) {
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if (file->error()) {
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file->close();
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return error;
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}
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break;
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}
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auto line = String((char*)buffer.data());
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if (line.length() > 1)
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line = line.substring(0, line.length() - 1); // remove newline
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switch (line[0]) {
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case '*':
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dbg() << "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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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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dbg() << "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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dbg() << "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 '\n':
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dbg() << "newline";
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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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break;
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case '#':
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dbg() << "comment line:\t" << line;
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break;
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default:
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dbg() << "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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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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file->close();
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return pages;
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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 shared_buffer 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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GUI::Application app(argc, argv);
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if (pledge("stdio shared_buffer rpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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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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unveil(nullptr, nullptr);
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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("Could not open Welcome file.", "Welcome", GUI::MessageBox::Type::Error, GUI::MessageBox::InputType::OK, nullptr);
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return 1;
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}
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auto pages = _pages.value();
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auto window = GUI::Window::construct();
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window->set_title("Welcome");
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Gfx::Rect window_rect { 0, 0, 640, 360 };
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window_rect.center_within(GUI::Desktop::the().rect());
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window->set_resizable(true);
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window->set_rect(window_rect);
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auto background = BackgroundWidget::construct();
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window->set_main_widget(background);
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background->set_fill_with_background_color(false);
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background->set_layout(make<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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background->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fill);
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//
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// header
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//
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auto header = GUI::Label::construct(background.ptr());
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header->set_font(Gfx::Font::load_from_file("/res/fonts/PebbletonBold11.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_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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header->set_preferred_size(0, 30);
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//
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// main section
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//
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auto main_section = GUI::Widget::construct(background.ptr());
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main_section->set_layout(make<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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main_section->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fill);
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auto menu = GUI::Widget::construct(main_section.ptr());
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menu->set_layout(make<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_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
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menu->set_preferred_size(100, 0);
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auto stack = GUI::StackWidget::construct(main_section);
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stack->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fill);
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bool first = true;
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for (auto& page : pages) {
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auto content = GUI::Widget::construct(stack.ptr());
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content->set_layout(make<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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content->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fill);
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auto title_box = GUI::Widget::construct(content.ptr());
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title_box->set_layout(make<GUI::HorizontalBoxLayout>());
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title_box->layout()->set_spacing(4);
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title_box->set_preferred_size(0, 16);
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title_box->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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if (!page.icon.is_empty()) {
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auto icon = GUI::Label::construct(title_box);
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icon->set_icon(Gfx::Bitmap::load_from_file(page.icon));
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icon->set_preferred_size(16, 16);
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icon->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
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}
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auto content_title = GUI::Label::construct(title_box);
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content_title->set_font(Gfx::Font::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_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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content_title->set_preferred_size(0, 10);
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for (auto& paragraph : page.content) {
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auto content_text = TextWidget::construct(content);
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content_text->set_font(Gfx::Font::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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auto menu_option = UnuncheckableButton::construct(menu);
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menu_option->set_font(Gfx::Font::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_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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menu_option->set_preferred_size(0, 20);
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menu_option->set_checkable(true);
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menu_option->set_exclusive(true);
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if (first)
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menu_option->set_checked(true);
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menu_option->on_click = [content = content.ptr(), &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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first = false;
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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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