Serenity Operating System
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1/* 2 * Copyright (c) 2020-2020, Hüseyin Aslıtürk <asliturk@hotmail.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <LibGUI/Application.h> 28#include <LibGUI/Painter.h> 29#include <LibGUI/Widget.h> 30#include <LibGUI/Window.h> 31#include <LibGfx/Font.h> 32#include <LibGfx/Palette.h> 33#include <stdio.h> 34 35class UserNameWidget final : public GUI::Widget { 36 C_OBJECT(UserNameWidget) 37public: 38 UserNameWidget() 39 { 40 m_username = getlogin(); 41 m_username_width = Gfx::Font::default_bold_font().width(m_username); 42 } 43 44 virtual ~UserNameWidget() override {} 45 46 int get_width() 47 { 48 return m_username_width + menubar_menu_margin(); 49 } 50 51private: 52 static int menubar_menu_margin() { return 4; } 53 54 virtual void paint_event(GUI::PaintEvent& event) override 55 { 56 GUI::Painter painter(*this); 57 painter.fill_rect(event.rect(), palette().window()); 58 painter.draw_text(event.rect(), m_username, Gfx::Font::default_bold_font(), Gfx::TextAlignment::Center, palette().window_text()); 59 } 60 61 String m_username; 62 int m_username_width; 63}; 64 65int main(int argc, char** argv) 66{ 67 if (pledge("stdio shared_buffer rpath cpath unix fattr", nullptr) < 0) { 68 perror("pledge"); 69 return 1; 70 } 71 72 if (unveil("/res", "r") < 0) { 73 perror("unveil"); 74 return 1; 75 } 76 77 if (unveil("/tmp", "rwc") < 0) { 78 perror("unveil"); 79 return 1; 80 } 81 82 if (unveil("/etc/passwd", "r") < 0) { 83 perror("unveil"); 84 return 1; 85 } 86 87 unveil(nullptr, nullptr); 88 89 GUI::Application app(argc, argv); 90 91 auto window = GUI::Window::construct(); 92 window->set_title("UserName"); 93 window->set_window_type(GUI::WindowType::MenuApplet); 94 95 auto widget = UserNameWidget::construct(); 96 97 window->resize(widget->get_width(), 16); 98 window->set_main_widget(widget); 99 window->show(); 100 101 if (pledge("stdio shared_buffer rpath", nullptr) < 0) { 102 perror("pledge"); 103 return 1; 104 } 105 106 return app.exec(); 107}